Bump version to 3.0.0.2

Update NEWS
extensionSystem: add missing import
2011-04-06 18:46:49 -04:00 · 2011-04-06 18:45:00 -04:00 · 2011-04-06 12:56:06 +03:00 · 2011-04-05 16:09:51 -04:00 · 2011-04-05 12:10:13 -04:00 · 2011-04-04 17:29:04 -04:00
337 changed files with 97463 additions and 25068 deletions
--- a/.gitignore
+++ b/.gitignore
@ -7,7 +7,6 @@ ChangeLog
 INSTALL
 Makefile
 Makefile.in
-NEWS
 aclocal.m4
 autom4te.cache
 config.h
@ -18,13 +17,10 @@ config
 configure
 data/gnome-shell.desktop
 data/gnome-shell.desktop.in
-data/gnome-shell-clock-preferences.desktop
-data/gnome-shell-clock-preferences.desktop.in
 data/gschemas.compiled
 data/org.gnome.shell.gschema.xml
 data/org.gnome.shell.gschema.valid
-data/org.gnome.accessibility.magnifier.gschema.xml
-data/org.gnome.accessibility.magnifier.gschema.valid
+js/misc/config.js
 intltool-extract.in
 intltool-merge.in
 intltool-update.in
@ -43,15 +39,23 @@ src/*-enum-types.[ch]
 src/*-marshal.[ch]
 src/Makefile
 src/Makefile.in
-src/gnomeshell-taskpanel
+src/calendar-server/org.gnome.Shell.CalendarServer.service
 src/gnome-shell
-src/gnome-shell-clock-preferences
+src/gnome-shell-calendar-server
+src/gnome-shell-extension-tool
+src/gnome-shell-jhbuild
+src/gnome-shell-perf-helper
+src/gnome-shell-real
+src/run-js-test
 src/test-recorder
 src/test-recorder.ogg
 src/test-theme
 src/st.h
+src/stamp-st.h
+src/stamp-st.h.tmp
 stamp-h1
 tests/run-test.sh
 xmldocs.make
 *~
 *.patch
+*.sw?
--- a/80
+++ b/80
@ -0,0 +1,80 @@
+3.0.0.2
+=======
+
+* Fix missing import that was preventing extensions from loading.
+  [Maxim Ermilov]
+  https://bugzilla.gnome.org/show_bug.cgi?id=646333
+
+Translations:
+ Timo Jyrinki [fi]
+
+3.0.0.1
+=======
+
+* Fix problem with stuck event handling if network menu pops down while
+  user is using the scrollbar. [Owen Taylor]
+  https://bugzilla.gnome.org/show_bug.cgi?id=646825
+
+Contributors to GNOME Shell 3.0
+===============================
+
+Code:
+
+ Josh Adams, Kiyoshi Aman, Nuno Araujo, Emmanuele Bassi, Dirk-Jan C. Binnema,
+ Wouter Bolsterlee, Raphael Bosshard, Milan Bouchet-Valat, Christina Boumpouka,
+ Mathieu Bridon, Alban Browaeys, Phil Bull, Micro Cai, Giovanni Campagna,
+ Cosimo Cecchi, Tor-björn Claesson, Matthias Clasen, Jason D. Clinton,
+ Frederic Crozat, Guillaume Desmottes, Sander Dijkhuis, Neha Doijode,
+ Maxim Ermilov, Diego Escalante Urrelo, Luca Ferretti, Steve Frécinaux,
+ Takao Fujiwara, Adel Gadllah, Vadim Girlin, Nick Glynn, Guido Günther,
+ Leon Handreke, Lex Hider, Richard Hughes, Javier Jardón, Abderrahim Kitouni,
+ Andre Klapper, Alexander Larsson, Nickolas Lloyd, Ryan Lortie, Kjartan Maraas,
+ Koop Mast, Rui Matos, Jonathan Matthew, William Jon McCann, Morten Mjelva,
+ Federico Mena Quintero, Florian Müllner, Jon Nettleton, Hellyna Ng,
+ Discardi Nicola, Carlos Martín Nieto, Bastien Nocera, Bill Nottingham,
+ Matt Novenstern, Marc-Antoine Perennou, Neil Perry, Frédéric Péters,
+ Alejandro Piñeiro, Siegfried-Angel Gevatter Pujals, "res", Neil Roberts,
+ "Sardem FF7", Florian Scandella, Joseph Scheuhammer, Christian Schramm,
+ Gustavo Noronha Silva, Jasper St. Pierre, Eric Springer, Jakub Steiner,
+ Jonathan Strander, Ray Strode, Owen Taylor, Rico Tzschichholz,
+ Sergey V. Udaltsov, Daiki Ueno, Vincent Untz, Marcelo Jorge Vieira,
+ Mads Villadsen, Colin Walters, Dan Winship, William Wolf, Thomas Wood,
+ Pierre Yager, David Zeuthen, Marina Zhurakhinskaya
+
+Design:
+
+ Allan Day, William Jon McCann, Jeremy Perry, Jakub Steiner
+ 2008 Boston GNOME design hackfest participants (especially Neil J. Patel
+ for turning the resulting sketches into our first mockups.)
+ Everybody on irc.gnome.org:#gnome-design
+
+Translations:
+
+ Friedel Wolff (af), Khaled Hosny (ar), Ivaylo Valkov (bg), Jamil Ahmed (bn)
+ Runa Bhattacharjee (bn_IN), Gil Forcada, Siegfried-Angel Gevatter Pujals,
+ Jordi Serratosa (ca), Andre Klapper, Petr Kovar (cs), Kenneth Nielsen,
+ Kris Thomsen (da), Mario Blättermann, Hendrik Brandt, Christian Kirbach,
+ Hendrik Richter, Wolfgang Stöggl (de), Michael Kotsarinis, Kostas Papadimas,
+ Jennie Petoumenou, Sterios Prosiniklis, Fotis Tsamis, Simos Xenitellis (el),
+ Bruce Cowan, Philip Withnall (en_GB), Jorge Gonzalez, Daniel Mustieles (es),
+ Mattias Põldaru, Ivar Smolin (et), Inaki Larranaga Murgoitio (eu),
+ Mahyar Moghimi (fa), Timo Jyrinki (fi), Cyril Arnaud, Bruno Brouard,
+ Pablo Martin-Gomez, Claude Paroz, Frédéric Peters (fr), Seán de Búrca (ga)
+ Francisco Diéguez, Antón Méixome (gl), Sweta Kothari (gu), Liel Fridman,
+ Yaron Shahrabani (he), Rajesh Ranjan (hi), Gabor Kelemen (hu), Milo Casagrande,
+ Luca Ferretti (it), Dirgita, Andika Triwidada (id), Takayuki KUSANO,
+ Takayoshi OKANO, Kiyotaka NISHIBORI, Futoshi NISHIO (ja), Shankar Prasad (kn),
+ Young-Ho Cha, Changwoo Ryu (ko), Žygimantas Beručka, Gintautas Miliauskas (lt),
+ Rudolfs Mazurs (lv), Sandeep Shedmake (mr), Kjartan Maraas (nb),
+ Wouter Bolsterlee, Sander Dijkhuis, Reinout van Schouwen (nl),
+ Torstein Winterseth (nn), A S Alam (pa), Tomasz Dominikowski, Piotr Drąg (pl),
+ Duarte Loreto (pt), Felipe Borges, Rodrigo Padula de Oliveira,
+ Rodrigo L. M. Flores, Amanda Magalhães, Og B. Maciel, Gabriel F. Vilar,
+ Jonh Wendell (pt_BR), Lucian Adrian Grijincu, Daniel Șerbănescu (ro),
+ Sergey V. Kovylov, Andrey Korzinev, Yuri Myasoedov, Marina Zhurakhinskaya (ru),
+ Daniel Nylander (se), Matej Urbančič, Andrej Žnidaršič (sl),
+ Miloš Popović (sr, sr@latin), Miroslav Nikolić (sr), Tirumurti Vasudevan (ta),
+ Sira Nokyoongtong (th), Baris Cicek (tr), Abduxukur Abdurixit,
+ Gheyret T. Kenji (ug), Maxim V. Dziumanenko, Daniel Korostil (uk),
+ Nguyễn Thái Ngọc Duy (vi), Jessica Ban, 'jiero', Wei Li, YunQiang Su, Ray Wang,
+ Aron Xu (zh_CN), Chao-Hsiung Liao (zh_HK, zh_TW)
--- a/configure.ac
+++ b/configure.ac
@ -1,11 +1,14 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell],[2.91.0],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
+AC_INIT([gnome-shell],[3.0.0.2],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])

 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR([src/shell-global.c])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([config])

+AC_SUBST([PACKAGE_NAME], ["$PACKAGE_NAME"])
+AC_SUBST([PACKAGE_VERSION], ["$PACKAGE_VERSION"])
+
 AM_INIT_AUTOMAKE([1.10 dist-bzip2 no-dist-gzip foreign])
 AM_MAINTAINER_MODE

@ -49,61 +52,106 @@ AC_MSG_CHECKING([for GStreamer (needed for recording functionality)])
 if $PKG_CONFIG --exists gstreamer-0.10 '>=' $GSTREAMER_MIN_VERSION ; then
   AC_MSG_RESULT(yes)
   build_recorder=true
-   recorder_modules="gstreamer-0.10 gstreamer-base-0.10 xfixes"
-   PKG_CHECK_MODULES(TEST_SHELL_RECORDER, $recorder_modules clutter-1.0)
+   recorder_modules="gstreamer-0.10 gstreamer-base-0.10 x11"
+   PKG_CHECK_MODULES(TEST_SHELL_RECORDER, $recorder_modules clutter-1.0 xfixes)
 else
   AC_MSG_RESULT(no)
 fi

 AM_CONDITIONAL(BUILD_RECORDER, $build_recorder)

-CLUTTER_MIN_VERSION=1.3.14
-GOBJECT_INTROSPECTION_MIN_VERSION=0.6.11
-GJS_MIN_VERSION=0.7
-MUTTER_MIN_VERSION=2.91.0
-GTK_MIN_VERSION=2.90.7
+CLUTTER_MIN_VERSION=1.5.15
+GOBJECT_INTROSPECTION_MIN_VERSION=0.10.1
+GJS_MIN_VERSION=0.7.11
+MUTTER_MIN_VERSION=3.0.0
+GTK_MIN_VERSION=3.0.0
 GIO_MIN_VERSION=2.25.9
+LIBECAL_MIN_VERSION=2.32.0
+LIBEDATASERVER_MIN_VERSION=1.2.0
+LIBEDATASERVERUI2_MIN_VERSION=1.2.0
+LIBEDATASERVERUI3_MIN_VERSION=2.91.6
+TELEPATHY_GLIB_MIN_VERSION=0.13.12
+TELEPATHY_LOGGER_MIN_VERSION=0.2.4
+POLKIT_MIN_VERSION=0.100

 # Collect more than 20 libraries for a prize!
-PKG_CHECK_MODULES(MUTTER_PLUGIN, gio-2.0 >= $GIO_MIN_VERSION
-                                 gio-unix-2.0 dbus-glib-1
-                                 gtk+-3.0 >= $GTK_MIN_VERSION
-                                 mutter-plugins >= $MUTTER_MIN_VERSION
-                                 gjs-gi-1.0 >= $GJS_MIN_VERSION
-				 libgnome-menu $recorder_modules gconf-2.0
-                                 gdk-x11-3.0
-				 clutter-x11-1.0 >= $CLUTTER_MIN_VERSION
-				 clutter-glx-1.0 >= $CLUTTER_MIN_VERSION
-                                 libstartup-notification-1.0
-                                 gobject-introspection-1.0 >= $GOBJECT_INTROSPECTION_MIN_VERSION)
+PKG_CHECK_MODULES(GNOME_SHELL, gio-2.0 >= $GIO_MIN_VERSION
+                               gio-unix-2.0 dbus-glib-1 libxml-2.0
+                               gtk+-3.0 >= $GTK_MIN_VERSION
+                               libmutter >= $MUTTER_MIN_VERSION
+                               gjs-internals-1.0 >= $GJS_MIN_VERSION
+			       libgnome-menu $recorder_modules gconf-2.0
+                               gdk-x11-3.0
+			       clutter-x11-1.0 >= $CLUTTER_MIN_VERSION
+			       clutter-glx-1.0 >= $CLUTTER_MIN_VERSION
+                               libstartup-notification-1.0
+                               gobject-introspection-1.0 >= $GOBJECT_INTROSPECTION_MIN_VERSION
+			       libcanberra
+                               telepathy-glib >= $TELEPATHY_GLIB_MIN_VERSION
+                               telepathy-logger-0.2 >= $TELEPATHY_LOGGER_MIN_VERSION
+                               polkit-agent-1 >= $POLKIT_MIN_VERSION xfixes)
+
+PKG_CHECK_MODULES(SHELL_PERF_HELPER, gtk+-3.0 gio-2.0)
+
+GJS_VERSION=`$PKG_CONFIG --modversion gjs-internals-1.0`
+AC_DEFINE_UNQUOTED([GJS_VERSION], ["$GJS_VERSION"], [The version of GJS we're linking to])
+AC_SUBST([GJS_VERSION], ["$GJS_VERSION"])
+
+GOBJECT_INTROSPECTION_CHECK([$GOBJECT_INTROSPECTION_MIN_VERSION])
+JHBUILD_TYPELIBDIR="$INTROSPECTION_TYPELIBDIR"
+# NM is the only typelib we use that we don't jhbuild
+PKG_CHECK_EXISTS([libnm-glib >= 0.8.995],
+        [NM_TYPELIBDIR=`$PKG_CONFIG --variable=libdir libnm-glib`/girepository-1.0
+	 if test "$INTROSPECTION_TYPELIBDIR" != "$NM_TYPELIBDIR"; then
+	     JHBUILD_TYPELIBDIR="$JHBUILD_TYPELIBDIR:$NM_TYPELIBDIR"
+	 fi])
+AC_SUBST(JHBUILD_TYPELIBDIR)

 saved_CFLAGS=$CFLAGS
 saved_LIBS=$LIBS
-CFLAGS=$MUTTER_PLUGIN_CFLAGS
-LIBS=$MUTTER_PLUGIN_LIBS
+CFLAGS=$GNOME_SHELL_CFLAGS
+LIBS=$GNOME_SHELL_LIBS
 # sn_startup_sequence_get_application_id, we can replace with a version check later
-AC_CHECK_FUNCS(JS_NewGlobalObject sn_startup_sequence_get_application_id)
+AC_CHECK_FUNCS(JS_NewGlobalObject sn_startup_sequence_get_application_id XFixesCreatePointerBarrier)
 CFLAGS=$saved_CFLAGS
 LIBS=$saved_LIBS

-PKG_CHECK_MODULES(TIDY, clutter-1.0)
-PKG_CHECK_MODULES(ST, clutter-1.0 gtk+-3.0 libcroco-0.6 gnome-desktop-3.0 >= 2.90.0)
+PKG_CHECK_MODULES(ST, clutter-1.0 gtk+-3.0 libcroco-0.6 gnome-desktop-3.0 >= 2.90.0 x11)
 PKG_CHECK_MODULES(GDMUSER, dbus-glib-1 gtk+-3.0)
 PKG_CHECK_MODULES(TRAY, gtk+-3.0)
+PKG_CHECK_MODULES(GVC, libpulse libpulse-mainloop-glib gobject-2.0)
+PKG_CHECK_MODULES(JS_TEST, clutter-x11-1.0 gjs-1.0 gobject-introspection-1.0 gtk+-3.0)
+PKG_CHECK_MODULES(DESKTOP_SCHEMAS, gsettings-desktop-schemas >= 0.1.7)

-MUTTER_BIN_DIR=`$PKG_CONFIG --variable=exec_prefix mutter-plugins`/bin
-# FIXME: metacity-plugins.pc should point directly to its .gir file
-MUTTER_LIB_DIR=`$PKG_CONFIG --variable=libdir mutter-plugins`
-MUTTER_PLUGIN_DIR=`$PKG_CONFIG --variable=plugindir mutter-plugins`
-AC_SUBST(MUTTER_BIN_DIR)
-AC_SUBST(MUTTER_LIB_DIR)
-AC_SUBST(MUTTER_PLUGIN_DIR)
+AC_MSG_CHECKING([for bluetooth support])
+PKG_CHECK_EXISTS([gnome-bluetooth-1.0 >= 2.90.0],
+        [BLUETOOTH_DIR=`$PKG_CONFIG --variable=libdir gnome-bluetooth-1.0`/gnome-bluetooth
+	 BLUETOOTH_LIBS="-L'$BLUETOOTH_DIR' -lgnome-bluetooth-applet"
+	 AC_SUBST([BLUETOOTH_LIBS],["$BLUETOOTH_LIBS"])
+	 AC_DEFINE_UNQUOTED([BLUETOOTH_DIR],["$BLUETOOTH_DIR"],[Path to installed GnomeBluetooth typelib and library])
+	 AC_DEFINE([HAVE_BLUETOOTH],[1],[Define if you have libgnome-bluetooth-applet])
+	 AC_SUBST([HAVE_BLUETOOTH],[1])
+	 AC_MSG_RESULT([yes])],
+	[AC_DEFINE([HAVE_BLUETOOTH],[0])
+	 AC_SUBST([HAVE_BLUETOOTH],[0])
+	 AC_MSG_RESULT([no])])
+
+# Default to libedataserverui-3.0, but allow falling back to 1.2
+PKG_CHECK_EXISTS(libedataserverui-3.0,
+                 [EDS_API=3.0
+                  LIBEDATASERVERUI_MIN_VERSION=$LIBEDATASERVERUI3_MIN_VERSION],
+                 [EDS_API=1.2
+                  LIBEDATASERVERUI_MIN_VERSION=$LIBEDATASERVERUI2_MIN_VERSION])
+PKG_CHECK_MODULES(CALENDAR_SERVER, libecal-1.2 >= $LIBECAL_MIN_VERSION libedataserver-1.2 >= $LIBEDATASERVER_MIN_VERSION libedataserverui-$EDS_API >= $LIBEDATASERVERUI_MIN_VERSION gio-2.0)
+AC_SUBST(CALENDAR_SERVER_CFLAGS)
+AC_SUBST(CALENDAR_SERVER_LIBS)
+
+MUTTER_GIR_DIR=`$PKG_CONFIG --variable=girdir libmutter`
+MUTTER_TYPELIB_DIR=`$PKG_CONFIG --variable=typelibdir libmutter`
+AC_SUBST(MUTTER_GIR_DIR)
+AC_SUBST(MUTTER_TYPELIB_DIR)

-GJS_JS_DIR=`$PKG_CONFIG --variable=jsdir gjs-1.0`
-GJS_JS_NATIVE_DIR=`$PKG_CONFIG --variable=jsnativedir gjs-1.0`
 GJS_CONSOLE=`$PKG_CONFIG --variable=gjs_console gjs-1.0`
-AC_SUBST(GJS_JS_DIR)
-AC_SUBST(GJS_JS_NATIVE_DIR)
 AC_SUBST(GJS_CONSOLE)

 AC_CHECK_FUNCS(fdwalk)
@ -150,21 +198,15 @@ if test "$enable_compile_warnings" != no ; then
 fi
 changequote([,])dnl

-AC_PATH_PROG(mutter, [mutter])
-AC_SUBST(mutter)
-
-AC_MSG_CHECKING([if mutter was compiled with GTK+-3.0])
-if $PKG_CONFIG --libs libmutter-private | grep gtk-x11-3 >/dev/null; then
-  AC_MSG_RESULT(yes)
-else
-  AC_MSG_RESULT(no)
-  AC_MSG_ERROR([GNOME Shell requires Mutter to be compiled against GTK+-3.0])
-fi
+AC_ARG_ENABLE(jhbuild-wrapper-script,
+  AS_HELP_STRING([--jhbuild-wrapper-script=yes],[Make "gnome-shell" script work for jhbuild]),,enable_jhbuild_wrapper_script=no)
+AM_CONDITIONAL(USE_JHBUILD_WRAPPER_SCRIPT, test "x$enable_jhbuild_wrapper_script" = xyes)

 AC_CONFIG_FILES([
  Makefile
  data/Makefile
  js/Makefile
+  js/misc/config.js
  src/Makefile
  tests/Makefile
  po/Makefile.in
--- a/data/Makefile.am
+++ b/data/Makefile.am
@ -1,5 +1,5 @@
 desktopdir=$(datadir)/applications
-desktop_DATA = gnome-shell.desktop gnome-shell-clock-preferences.desktop
+desktop_DATA = gnome-shell.desktop

 # We substitute in bindir so it works as an autostart
 # file when built in a non-system prefix
@ -12,26 +12,33 @@ desktop_DATA = gnome-shell.desktop gnome-shell-clock-preferences.desktop
 %.desktop:%.desktop.in
 	$(AM_V_GEN) sed s/^_// < $< > $@ || rm $@

-dist_pkgdata_DATA = clock-preferences.ui
-
-imagesdir = $(pkgdatadir)/images
-dist_images_DATA =				\
-	close-black.svg				\
-	magnifier.svg
+searchprovidersdir = $(pkgdatadir)/search_providers
+dist_searchproviders_DATA =				\
+	search_providers/google.xml				\
+	search_providers/wikipedia.xml

 themedir = $(pkgdatadir)/theme
 dist_theme_DATA =				\
-	theme/add-workspace.svg			\
+	theme/calendar-arrow-left.svg		\
+	theme/calendar-arrow-right.svg		\
+	theme/calendar-today.svg		\
 	theme/close-window.svg			\
 	theme/close.svg				\
-	theme/corner-ripple.png			\
-	theme/dialog-error.svg			\
+	theme/corner-ripple-ltr.png		\
+	theme/corner-ripple-rtl.png		\
+	theme/dash-placeholder.svg		\
+	theme/filter-selected-ltr.svg		\
+	theme/filter-selected-rtl.svg		\
 	theme/gnome-shell.css			\
 	theme/mosaic-view-active.svg		\
 	theme/mosaic-view.svg			\
 	theme/move-window-on-new.svg		\
-	theme/process-working.png		\
-	theme/remove-workspace.svg		\
+	theme/panel-border.svg			\
+	theme/panel-button-border.svg		\
+	theme/panel-button-highlight-narrow.svg	\
+	theme/panel-button-highlight-wide.svg	\
+	theme/process-working.svg		\
+	theme/running-indicator.svg		\
 	theme/scroll-button-down-hover.png	\
 	theme/scroll-button-down.png		\
 	theme/scroll-button-up-hover.png	\
@ -43,16 +50,15 @@ dist_theme_DATA =				\
 	theme/separator-white.png		\
 	theme/single-view-active.svg		\
 	theme/single-view.svg			\
+	theme/source-button-border.svg		\
 	theme/toggle-off-us.svg			\
 	theme/toggle-off-intl.svg		\
 	theme/toggle-on-us.svg			\
 	theme/toggle-on-intl.svg		\
-	theme/ws-switch-arrow-left.svg		\
-	theme/ws-switch-arrow-right.svg
+	theme/ws-switch-arrow-up.svg		\
+	theme/ws-switch-arrow-down.svg

-gsettings_SCHEMAS =					\
-	org.gnome.accessibility.magnifier.gschema.xml	\
-	org.gnome.shell.gschema.xml
+gsettings_SCHEMAS = org.gnome.shell.gschema.xml

@INTLTOOL_XML_NOMERGE_RULE@
@GSETTINGS_RULES@
@ -69,11 +75,6 @@ all-local: gschemas.compiled
 gconfschemadir  = @GCONF_SCHEMA_FILE_DIR@
 gconfschema_DATA = gnome-shell.schemas

-menudir = $(sysconfdir)/xdg/menus
-
-menu_DATA = \
-	gs-applications.menu
-
 shadersdir = $(pkgdatadir)/shaders
 shaders_DATA = \
 	shaders/dim-window.glsl
@ -85,16 +86,13 @@ install-data-local:

 EXTRA_DIST =						\
 	gnome-shell.desktop.in.in			\
-	gnome-shell-clock-preferences.desktop.in.in	\
 	$(menu_DATA)					\
 	$(gconfschema_DATA)				\
 	$(shaders_DATA)					\
-	org.gnome.accessibility.magnifier.gschema.xml.in \
 	org.gnome.shell.gschema.xml.in

 CLEANFILES =						\
 	gnome-shell.desktop.in				\
-	gnome-shell-clock-preferences.desktop.in	\
 	$(desktop_DATA)					\
 	$(gsettings_SCHEMAS)				\
 	gschemas.compiled
--- a/data/clock-preferences.ui
+++ b/data/clock-preferences.ui
@ -1,188 +0,0 @@
-<?xml version="1.0"?>
-<interface domain="gnome-shell">
-  <requires lib="gtk+" version="2.16"/>
-  <!-- interface-naming-policy project-wide -->
-  <object class="GtkDialog" id="prefs-dialog">
-    <property name="border_width">5</property>
-    <property name="title" translatable="yes">Clock Preferences</property>
-    <property name="window_position">center</property>
-    <property name="type_hint">normal</property>
-    <property name="has_separator">False</property>
-    <child internal-child="vbox">
-      <object class="GtkVBox" id="dialog-vbox1">
-        <property name="visible">True</property>
-        <property name="orientation">vertical</property>
-        <property name="spacing">2</property>
-        <child>
-          <object class="GtkVBox" id="vbox1">
-            <property name="visible">True</property>
-            <property name="orientation">vertical</property>
-            <property name="spacing">18</property>
-            <child>
-              <object class="GtkFrame" id="frame1">
-                <property name="visible">True</property>
-                <property name="label_xalign">0</property>
-                <property name="shadow_type">none</property>
-                <child>
-                  <object class="GtkAlignment" id="alignment1">
-                    <property name="visible">True</property>
-                    <property name="top_padding">6</property>
-                    <property name="left_padding">12</property>
-                    <property name="right_padding">6</property>
-                    <child>
-                      <object class="GtkHBox" id="hbox1">
-                        <property name="visible">True</property>
-                        <property name="spacing">12</property>
-                        <child>
-                          <object class="GtkRadioButton" id="12hr_radio">
-                            <property name="label" translatable="yes">_12 hour format</property>
-                            <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
-                            <property name="use_underline">True</property>
-                            <property name="draw_indicator">True</property>
-                          </object>
-                          <packing>
-                            <property name="expand">False</property>
-                            <property name="fill">False</property>
-                            <property name="position">0</property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkRadioButton" id="24hr_radio">
-                            <property name="label" translatable="yes">_24 hour format</property>
-                            <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
-                            <property name="use_underline">True</property>
-                            <property name="draw_indicator">True</property>
-                            <property name="group">12hr_radio</property>
-                          </object>
-                          <packing>
-                            <property name="expand">False</property>
-                            <property name="fill">False</property>
-                            <property name="position">1</property>
-                          </packing>
-                        </child>
-                      </object>
-                    </child>
-                  </object>
-                </child>
-                <child type="label">
-                  <object class="GtkLabel" id="label_format">
-                    <property name="visible">True</property>
-                    <property name="label" translatable="yes">Clock Format</property>
-                    <attributes>
-                      <attribute name="weight" value="bold"/>
-                    </attributes>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkFrame" id="frame2">
-                <property name="visible">True</property>
-                <property name="label_xalign">0</property>
-                <property name="shadow_type">none</property>
-                <child>
-                  <object class="GtkAlignment" id="alignment2">
-                    <property name="visible">True</property>
-                    <property name="top_padding">6</property>
-                    <property name="left_padding">12</property>
-                    <child>
-                      <object class="GtkVBox" id="vbox2">
-                        <property name="visible">True</property>
-                        <property name="orientation">vertical</property>
-                        <property name="spacing">6</property>
-                        <child>
-                          <object class="GtkCheckButton" id="date_check">
-                            <property name="label" translatable="yes">Show the _date</property>
-                            <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
-                            <property name="use_underline">True</property>
-                            <property name="draw_indicator">True</property>
-                          </object>
-                          <packing>
-                            <property name="position">0</property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkCheckButton" id="seconds_check">
-                            <property name="label" translatable="yes">Show seco_nds</property>
-                            <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
-                            <property name="use_underline">True</property>
-                            <property name="draw_indicator">True</property>
-                          </object>
-                          <packing>
-                            <property name="position">1</property>
-                          </packing>
-                        </child>
-                      </object>
-                    </child>
-                  </object>
-                </child>
-                <child type="label">
-                  <object class="GtkLabel" id="label_display">
-                    <property name="visible">True</property>
-                    <property name="label" translatable="yes">Panel Display</property>
-                    <attributes>
-                      <attribute name="weight" value="bold"/>
-                    </attributes>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="padding">6</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-        <child internal-child="action_area">
-          <object class="GtkHButtonBox" id="dialog-action_area1">
-            <property name="visible">True</property>
-            <property name="layout_style">end</property>
-            <child>
-              <placeholder/>
-            </child>
-            <child>
-              <object class="GtkButton" id="prefs_close_button">
-                <property name="label">gtk-close</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-                <property name="use_stock">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="0">prefs_close_button</action-widget>
-    </action-widgets>
-  </object>
-</interface>
--- a/data/close-black.svg
+++ b/data/close-black.svg
@ -1,66 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Generator: Adobe Illustrator 13.0.2, SVG Export Plug-In . SVG Version: 6.00 Build 14948)  -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   version="1.1"
-   id="Foreground"
-   x="0px"
-   y="0px"
-   width="16px"
-   height="16px"
-   viewBox="0 0 16 16"
-   enable-background="new 0 0 16 16"
-   xml:space="preserve"
-   sodipodi:version="0.32"
-   inkscape:version="0.46+devel"
-   sodipodi:docname="close-black.svg"
-   inkscape:output_extension="org.inkscape.output.svg.inkscape"><metadata
-   id="metadata2399"><rdf:RDF><cc:Work
-       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
-         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
-   id="defs2397"><linearGradient
-     id="linearGradient3173"><stop
-       style="stop-color:#c4c4c4;stop-opacity:1;"
-       offset="0"
-       id="stop3175" /><stop
-       style="stop-color:#ffffff;stop-opacity:1;"
-       offset="1"
-       id="stop3177" /></linearGradient><inkscape:perspective
-     sodipodi:type="inkscape:persp3d"
-     inkscape:vp_x="0 : 8 : 1"
-     inkscape:vp_y="0 : 1000 : 0"
-     inkscape:vp_z="16 : 8 : 1"
-     inkscape:persp3d-origin="8 : 5.3333333 : 1"
-     id="perspective2401" /></defs><sodipodi:namedview
-   inkscape:window-height="811"
-   inkscape:window-width="1272"
-   inkscape:pageshadow="2"
-   inkscape:pageopacity="0.0"
-   guidetolerance="10.0"
-   gridtolerance="10.0"
-   objecttolerance="10.0"
-   borderopacity="1.0"
-   bordercolor="#666666"
-   pagecolor="#ffffff"
-   id="base"
-   showgrid="false"
-   inkscape:zoom="32.125"
-   inkscape:cx="8"
-   inkscape:cy="10.440056"
-   inkscape:window-x="40"
-   inkscape:window-y="40"
-   inkscape:current-layer="Foreground" />
-<path
-   fill-rule="evenodd"
-   clip-rule="evenodd"
-   d="M10.5,3.5l2,2L10,8l2.5,2.5l-2,2L8,10l-2.5,2.5l-2-2L6,8L3.5,5.5l2-2L8,6L10.5,3.5  z M0,8c0-4.418,3.582-8,8-8s8,3.582,8,8s-3.582,8-8,8S0,12.418,0,8z"
-   id="path2394"
-   style="fill-opacity:1;fill:#545454" />
-</svg>
--- a/data/gnome-shell-clock-preferences.desktop.in.in
+++ b/data/gnome-shell-clock-preferences.desktop.in.in
@ -1,15 +0,0 @@
-[Desktop Entry]
-_Name=Clock
-_Comment=Customize the panel clock
-Exec=@bindir@/gnome-shell-clock-preferences
-Icon=gnome-panel-clock
-Terminal=false
-Type=Application
-StartupNotify=true
-Categories=GNOME;GTK;Settings;DesktopSettings;
-OnlyShowIn=GNOME;
-X-GNOME-ShellOnly=true
-X-GNOME-Bugzilla-Bugzilla=GNOME
-X-GNOME-Bugzilla-Product=gnome-shell
-X-GNOME-Bugzilla-Component=general
-X-GNOME-Bugzilla-Version=@VERSION@
--- a/data/gnome-shell.desktop.in.in
+++ b/data/gnome-shell.desktop.in.in
@ -7,9 +7,10 @@ X-GNOME-Bugzilla-Bugzilla=GNOME
 X-GNOME-Bugzilla-Product=gnome-shell
 X-GNOME-Bugzilla-Component=general
 X-GNOME-Bugzilla-Version=@VERSION@
-Categories=GNOME;GTK;Utility;Core;
+Categories=GNOME;GTK;Core;
 OnlyShowIn=GNOME;
 NoDisplay=true
 X-GNOME-Autostart-Phase=WindowManager
 X-GNOME-Provides=panel;windowmanager;
 X-GNOME-Autostart-Notify=true
+X-GNOME-AutoRestart=true
--- a/data/gnome-shell.schemas
+++ b/data/gnome-shell.schemas
@ -22,7 +22,7 @@
        <applyto>/desktop/gnome/shell/windows/button_layout</applyto>
        <owner>gnome-shell</owner>
        <type>string</type>
-        <default>:minimize,maximize,close</default>
+        <default>:close</default>
        <locale name="C">
           <short>Arrangement of buttons on the titlebar</short>
           <long>
@ -44,19 +44,53 @@
      </schema>

      <schema>
-        <key>/schemas/desktop/gnome/shell/windows/side_by_side_tiling</key>
-        <applyto>/desktop/gnome/shell/windows/side_by_side_tiling</applyto>
+        <key>/schemas/desktop/gnome/shell/windows/edge_tiling</key>
+        <applyto>/desktop/gnome/shell/windows/edge_tiling</applyto>
        <owner>gnome-shell</owner>
        <type>bool</type>
        <default>true</default>
        <locale name="C">
-          <short>enable side-by-side tiling when dropping windows on screen edges</short>
+          <short>enable edge tiling when dropping windows on screen edges</short>
          <long>
-             If enabled, dropping windows on screen edges maximizes them
+             If enabled, dropping windows on vertical screen edges maximizes them
             vertically and resizes them horizontally to cover half of the
-             available area.
+             available area. Dropping windows on the top screen edge maximizes them
+             completely.

-             This key overrides /apps/metacity/general/side_by_side_tiling when
+             This key overrides /apps/metacity/general/edge_tiling when
+             running GNOME Shell.
+          </long>
+        </locale>
+      </schema>
+
+      <schema>
+        <key>/schemas/desktop/gnome/shell/windows/theme</key>
+        <applyto>/desktop/gnome/shell/windows/theme</applyto>
+        <owner>gnome-shell</owner>
+        <type>string</type>
+        <default>Adwaita</default>
+        <locale name="C">
+          <short>Current theme</short>
+          <long>
+            The theme determines the appearance of window borders,
+            titlebar, and so forth.
+
+            This key overrides /apps/metacity/general/theme when
+            running GNOME Shell.
+          </long>
+        </locale>
+      </schema>
+
+      <schema>
+        <key>/schemas/desktop/gnome/shell/windows/workspaces_only_on_primary</key>
+        <applyto>/desktop/gnome/shell/windows/workspaces_only_on_primary</applyto>
+        <owner>gnome-shell</owner>
+        <type>bool</type>
+        <default>true</default>
+        <locale name="C">
+          <short>Workspaces only on primary monitor</short>
+          <long>
+             This key overrides /apps/mutter/general/workspaces_only_on_primary when
             running GNOME Shell.
          </long>
        </locale>
--- a/data/gs-applications.menu
+++ b/data/gs-applications.menu
@ -1,44 +0,0 @@
-<Menu>
-    <DefaultLayout>
-        <Menuname>Apps</Menuname>
-        <Menuname>Games</Menuname>
-        <Menuname>Tools</Menuname>
-    </DefaultLayout>
-	<Name>Applications</Name>
-	<DefaultAppDirs/>
-	<Menu>
-		<Name>Games</Name>
-		<Include>
-			<And>
-				<Category>Game</Category>
-			</And>
-		</Include>
-	</Menu>
-	<Menu>
-		<Name>Tools</Name>
-		<Include>
-			<Category>Development</Category>
-			<And>
-				<Category>System</Category>
-				<Not>
-					<Category>Settings</Category>
-				</Not>
-			</And>
-			<Category>Utility</Category>
-		</Include>
-	</Menu>
-	<Menu>
-		<Name>Apps</Name>
-		<OnlyUnallocated/>
-		<Include>
-			<And>
-				<Or>
-					<Category>Documentation</Category>
-					<Not><Category>Core</Category></Not>
-				</Or>
-				<Not><Category>Settings</Category></Not>
-				<Not><Category>Screensaver</Category></Not>
-			</And>
-		</Include>
-	</Menu>
-</Menu>
--- a/data/magnifier.svg
+++ b/data/magnifier.svg
@ -1,80 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Generator: Adobe Illustrator 13.0.2, SVG Export Plug-In . SVG Version: 6.00 Build 14948)  -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   version="1.0"
-   id="Foreground"
-   x="0px"
-   y="0px"
-   width="18"
-   height="18"
-   viewBox="0 0 18 18"
-   enable-background="new 0 0 29 18"
-   xml:space="preserve"
-   sodipodi:version="0.32"
-   inkscape:version="0.46+devel"
-   sodipodi:docname="magnifier.svg"
-   inkscape:output_extension="org.inkscape.output.svg.inkscape"><metadata
-   id="metadata16"><rdf:RDF><cc:Work
-       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
-         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><defs
-   id="defs14"><inkscape:perspective
-     sodipodi:type="inkscape:persp3d"
-     inkscape:vp_x="0 : 9 : 1"
-     inkscape:vp_y="0 : 1000 : 0"
-     inkscape:vp_z="29 : 9 : 1"
-     inkscape:persp3d-origin="14.5 : 6 : 1"
-     id="perspective18" /></defs><sodipodi:namedview
-   inkscape:window-height="728"
-   inkscape:window-width="1103"
-   inkscape:pageshadow="2"
-   inkscape:pageopacity="1"
-   guidetolerance="10.0"
-   gridtolerance="10.0"
-   objecttolerance="10.0"
-   borderopacity="1.0"
-   bordercolor="#666666"
-   pagecolor="#000000"
-   id="base"
-   showgrid="true"
-   inkscape:zoom="27.260185"
-   inkscape:cx="9.5844061"
-   inkscape:cy="9.4435574"
-   inkscape:window-x="142"
-   inkscape:window-y="26"
-   inkscape:current-layer="Foreground"
-   inkscape:snap-global="true"
-   showguides="false"><inkscape:grid
-     type="xygrid"
-     id="grid2391"
-     empspacing="5"
-     visible="true"
-     enabled="true"
-     snapvisiblegridlinesonly="true" /></sodipodi:namedview>
-
-<g
-   id="g5"
-   style="fill:#ffffff;fill-opacity:1"
-   transform="translate(-4,-0.023114)">
-	<path
-   d="m 6.246,13.98 c -0.319,-0.319 -0.319,-0.837 0,-1.157 L 9.963,9.106 c 0.319,-0.319 0.837,-0.319 1.157,0 l 0.786,0.787 c 0.32,0.319 0.32,0.837 0,1.157 l -3.717,3.717 c -0.32,0.319 -0.838,0.319 -1.157,0 l -0.786,-0.787 0,0 z"
-   id="path7"
-   style="fill:#ffffff;fill-opacity:1" />
-	<path
-   d="M 9.076,11.937"
-   id="path9"
-   style="fill:#ffffff;fill-opacity:1" />
-</g>
-<path
-   clip-rule="evenodd"
-   d="m 7.25,7.476886 c 0,-1.243 1.007,-2.25 2.2499998,-2.25 1.2430002,0 2.2500002,1.007 2.2500002,2.25 0,1.243 -1.007,2.25 -2.2500002,2.25 C 8.257,9.726886 7.25,8.719886 7.25,7.476886 z m -2.25,0 c 0,-2.485 2.015,-4.5 4.4999998,-4.5 2.4850002,0 4.5000002,2.015 4.5000002,4.5 0,2.4849998 -2.015,4.5 -4.5000002,4.5 C 7.015,11.976886 5,9.9618858 5,7.476886 z"
-   id="path11"
-   style="fill:#ffffff;fill-opacity:1;fill-rule:evenodd" />
-</svg>
--- a/data/org.gnome.accessibility.magnifier.gschema.xml.in
+++ b/data/org.gnome.accessibility.magnifier.gschema.xml.in
@ -1,133 +0,0 @@
-<schemalist>
-
-  <enum id="MouseTrackingMode">
-    <value nick="none"         value="0"/>
-    <value nick="centered"     value="1"/>
-    <value nick="proportional" value="2"/>
-    <value nick="push"         value="3"/>
-  </enum>
-
-  <enum id="ScreenPosition">
-    <value nick="none"        value="0"/>
-    <value nick="full-screen" value="1"/>
-    <value nick="top-half"    value="2"/>
-    <value nick="bottom-half" value="3"/>
-    <value nick="left-half"   value="4"/>
-    <value nick="right-half"  value="5"/>
-  </enum>
-
-  <schema id="org.gnome.accessibility.magnifier"
-          path="/desktop/gnome/accessibility/magnifier/"
-          gettext-domain="@GETTEXT_PACKAGE@">
-    <key name="show-magnifier" type="b">
-      <default>false</default>
-      <_summary>Show or hide the magnifier</_summary>
-      <_description>
-        Show or hide the magnifier and all of its zoom regions.
-      </_description>
-    </key>
-    <key name="mouse-tracking" enum="MouseTrackingMode">
-      <default>'centered'</default>
-      <_summary>Mouse Tracking Mode</_summary>
-      <_description>
-        Determines the position of the magnified mouse image within the
-        magnified view and how it reacts to system mouse movement. The values
-        are
-        - none: no mouse tracking;
-        - centered: the mouse image is
-        displayed at the center of the zoom region (which also represents
-        the point under the system mouse) and the magnified contents are
-        scrolled as the system mouse moves;
-        - proportional: the position of the magnified mouse in the zoom region
-        is proportionally the same as the position of the system mouse on screen;
-        - push: when the magnified mouse intersects a boundary of the zoom
-        region, the contents are scrolled into view.
-      </_description>
-    </key>
-    <key name="screen-position" enum="ScreenPosition">
-      <default>'bottom-half'</default>
-      <_summary>Screen position</_summary>
-      <_description>
-        The magnified view either fills the entire screen, or occupies the
-        top-half, bottom-half, left-half, or right-half of the screen.
-      </_description>
-    </key>
-    <key name="mag-factor" type="d">
-      <default>2.0</default>
-      <_summary>Magnification factor</_summary>
-      <_description>
-        The power of the magnification. A value of 1.0 means no magnification.
-        A value of 2.0 doubles the size.
-      </_description>
-    </key>
-    <key name="lens-mode" type="b">
-      <default>false</default>
-      <_summary>Enable lens mode</_summary>
-      <_description>
-        Whether the magnified view should be centered over the location of
-        the system mouse and move with it.
-      </_description>
-    </key>
-    <key name="scroll-at-edges" type="b">
-      <default>false</default>
-      <_summary>
-        Scroll magnified contents beyond the edges of the desktop
-      </_summary>
-      <_description>
-        For centered mouse tracking, when the system pointer is at or near the
-        edge of the screen, the magnified contents continue to scroll such that
-        the screen edge moves into the magnified view.
-      </_description>
-    </key>
-
-    <!-- Cross-hairs -->
-    <key name="show-cross-hairs" type="b">
-      <default>false</default>
-      <_summary>Show or hide crosshairs</_summary>
-      <_description>
-        Enables/disables display of crosshairs centered on the magnified
-        mouse sprite.
-      </_description>
-    </key>
-    <key name="cross-hairs-thickness" type="i">
-      <default>8</default>
-      <_summary>Thickness of the crosshairs</_summary>
-      <_description>
-        Width of the vertical and horizontal lines that make up the crosshairs.
-      </_description>
-    </key>
-    <key name="cross-hairs-color" type="s">
-      <default>'#ff0000'</default>
-      <_summary>Color of the crosshairs</_summary>
-      <_description>
-        The color of the the vertical and horizontal lines that make up
-        the crosshairs.
-      </_description>
-    </key>
-    <key name="cross-hairs-opacity" type="i">
-      <default>169</default>
-      <_summary>Opacity of the crosshairs</_summary>
-      <_description>
-        Determines the transparency of the crosshairs, from fully opaque
-        to fully transparent.
-      </_description>
-    </key>
-    <key name="cross-hairs-length" type="i">
-      <default>4096</default>
-      <_summary>Length of the crosshairs</_summary>
-      <_description>
-        Determines the length of the vertical and horizontal lines that
-        make up the crosshairs.
-      </_description>
-    </key>
-    <key name="cross-hairs-clip" type="b">
-      <default>false</default>
-      <_summary>Clip the crosshairs at the center</_summary>
-      <_description>
-        Determines whether the crosshairs intersect the magnified mouse sprite,
-        or are clipped such that the ends of the horizontal and vertical lines
-        surround the mouse image.
-      </_description>
-    </key>
-  </schema>
-</schemalist>
--- a/data/org.gnome.shell.gschema.xml.in
+++ b/data/org.gnome.shell.gschema.xml.in
@ -1,5 +1,5 @@
 <schemalist>
-  <schema id="org.gnome.shell" path="/apps/gnome-shell/"
+  <schema id="org.gnome.shell" path="/org/gnome/shell/"
          gettext-domain="@GETTEXT_PACKAGE@">
    <key name="development-tools" type="b">
      <default>true</default>
@ -30,35 +30,31 @@
      </_description>
    </key>
    <key name="favorite-apps" type="as">
-      <default>[ 'mozilla-firefox.desktop', 'evolution.desktop', 'openoffice.org-writer.desktop' ]</default>
+      <default>[ 'mozilla-firefox.desktop', 'evolution.desktop', 'empathy.desktop', 'rhythmbox.desktop', 'shotwell.desktop', 'openoffice.org-writer.desktop', 'nautilus.desktop' ]</default>
      <_summary>List of desktop file IDs for favorite applications</_summary>
      <_description>
        The applications corresponding to these identifiers
        will be displayed in the favorites area.
      </_description>
    </key>
+    <key name="disabled-open-search-providers" type="as">
+      <default>[]</default>
+      <_summary>disabled OpenSearch providers</_summary>
+    </key>
    <key name="command-history" type="as">
      <default>[]</default>
      <_summary>History for command (Alt-F2) dialog</_summary>
    </key>
-    <key name="workspaces-view" type="s">
-      <default>'single'</default>
-      <_summary>Overview workspace view mode</_summary>
-      <_description>
-        The selected workspace view mode in the overview.
-        Supported values are "single" and "grid".
-      </_description>
-      <choices>
-        <choice value="single"/>
-        <choice value="grid"/>
-      </choices>
+    <key name="looking-glass-history" type="as">
+      <default>[]</default>
+      <_summary>History for the looking glass dialog</_summary>
    </key>
    <child name="clock" schema="org.gnome.shell.clock"/>
    <child name="calendar" schema="org.gnome.shell.calendar"/>
    <child name="recorder" schema="org.gnome.shell.recorder"/>
  </schema>

-  <schema id="org.gnome.shell.calendar" path="/apps/gnome-shell/calendar/"
+  <schema id="org.gnome.shell.calendar" path="/org/gnome/shell/calendar/"
          gettext-domain="@GETTEXT_PACKAGE@">
    <key name="show-weekdate" type="b">
      <default>false</default>
@ -69,58 +65,25 @@
      </key>
  </schema>

-  <schema id="org.gnome.shell.clock" path="/apps/gnome-shell/clock/"
+  <schema id="org.gnome.shell.clock" path="/org/gnome/shell/clock/"
          gettext-domain="@GETTEXT_PACKAGE@">
-    <key name="format" type="s">
-      <default l10n="messages" context="hour_format">
-      <!-- TRANSLATORS: This is the default hour format, choose ONLY '12-hour' or '24-hour'. -->
-        "12-hour"
-      </default>
-      <_summary>Hour format</_summary>
-      <_description>
-        This key specifies the hour format used by the panel clock.
-        Possible values are "12-hour", "24-hour", "unix" and "custom". If set
-        to "unix", the clock will display time in seconds since Epoch,
-        i.e. 1970-01-01. If set to "custom", the clock will display time
-        according to the format specified in the custom_format key. Note that
-        if set to either "unix" or "custom", the show_date and show_seconds
-        keys are ignored.
-      </_description>
-      <choices>
-        <choice value="12-hour"/>
-        <choice value="24-hour"/>
-        <choice value="unix"/>
-        <choice value="custom"/>
-      </choices>
-    </key>
-    <key name="custom-format" type="s">
-      <default>''</default>
-      <_summary>Custom format of the clock</_summary>
-      <_description>
-        This key specifies the format used by the panel clock when the format
-        key is set to "custom". You can use conversion specifiers understood
-        by strftime() to obtain a specific format. See the strftime() manual
-        for more information.
-      </_description>
-    </key>
    <key name="show-seconds" type="b">
      <default>false</default>
      <_summary>Show time with seconds</_summary>
      <_description>
-        If true and format is either "12-hour" or "24-hour", display seconds in time.
+        If true, display seconds in time.
      </_description>
    </key>
    <key name="show-date" type="b">
      <default>false</default>
      <_summary>Show date in clock</_summary>
      <_description>
-        If true and format is either "12-hour" or "24-hour",
-        display date in the clock, in addition to time.
+        If true, display date in the clock, in addition to time.
      </_description>
    </key>
  </schema>

-  <schema id="org.gnome.shell.recorder" path="/apps/gnome-shell/recorder/"
+  <schema id="org.gnome.shell.recorder" path="/org/gnome/shell/recorder/"
          gettext-domain="@GETTEXT_PACKAGE@">
    <key name="framerate" type="i">
      <default>15</default>
@ -142,11 +105,13 @@
        take care of its own output - this might be used to send the output
        to an icecast server via shout2send or similar. When unset or set
        to an empty value, the default pipeline will be used. This is currently
-        'videorate ! theoraenc ! oggmux' and records to Ogg Theora.
+        'videorate ! vp8enc quality=10 speed=2 threads=%T ! queue ! webmmux'
+        and records to WEBM using the VP8 codec. %T is used as a placeholder
+        for a guess at the optimal thread count on the system.
      </_description>
    </key>
    <key name="file-extension" type="s">
-      <default>'ogv'</default>
+      <default>'webm'</default>
      <_summary>File extension used for storing the screencast</_summary>
      <_description>
        The filename for recorded screencasts will be a unique filename
--- a/data/search_providers/google.xml
+++ b/data/search_providers/google.xml
@ -0,0 +1,7 @@
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
+<ShortName>Google</ShortName>
+<Description>Google Search</Description>
+<InputEncoding>UTF-8</InputEncoding>
+<Image width="16" height="16">data:image/x-icon;base64,AAABAAEAEBAAAAEAGABoAwAAFgAAACgAAAAQAAAAIAAAAAEAGAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADs9Pt8xetPtu9FsfFNtu%2BTzvb2%2B%2Fne4dFJeBw0egA%2FfAJAfAA8ewBBegAAAAD%2B%2FPtft98Mp%2BwWsfAVsvEbs%2FQeqvF8xO7%2F%2F%2F63yqkxdgM7gwE%2FggM%2BfQA%2BegBDeQDe7PIbotgQufcMufEPtfIPsvAbs%2FQvq%2Bfz%2Bf%2F%2B%2B%2FZKhR05hgBBhQI8hgBAgAI9ewD0%2B%2Fg3pswAtO8Cxf4Kw%2FsJvvYAqupKsNv%2B%2Fv7%2F%2FP5VkSU0iQA7jQA9hgBDgQU%2BfQH%2F%2Ff%2FQ6fM4sM4KsN8AteMCruIqqdbZ7PH8%2Fv%2Fg6Nc%2Fhg05kAA8jAM9iQI%2BhQA%2BgQDQu6b97uv%2F%2F%2F7V8Pqw3eiWz97q8%2Ff%2F%2F%2F%2F7%2FPptpkkqjQE4kwA7kAA5iwI8iAA8hQCOSSKdXjiyflbAkG7u2s%2F%2B%2F%2F39%2F%2F7r8utrqEYtjQE8lgA7kwA7kwA9jwA9igA9hACiWSekVRyeSgiYSBHx6N%2F%2B%2Fv7k7OFRmiYtlAA5lwI7lwI4lAA7kgI9jwE9iwI4iQCoVhWcTxCmb0K%2BooT8%2Fv%2F7%2F%2F%2FJ2r8fdwI1mwA3mQA3mgA8lAE8lAE4jwA9iwE%2BhwGfXifWvqz%2B%2Ff%2F58u%2Fev6Dt4tr%2B%2F%2F2ZuIUsggA7mgM6mAM3lgA5lgA6kQE%2FkwBChwHt4dv%2F%2F%2F728ei1bCi7VAC5XQ7kz7n%2F%2F%2F6bsZkgcB03lQA9lgM7kwA2iQktZToPK4r9%2F%2F%2F9%2F%2F%2FSqYK5UwDKZAS9WALIkFn%2B%2F%2F3%2F%2BP8oKccGGcIRJrERILYFEMwAAuEAAdX%2F%2Ff7%2F%2FP%2B%2BfDvGXQLIZgLEWgLOjlf7%2F%2F%2F%2F%2F%2F9QU90EAPQAAf8DAP0AAfMAAOUDAtr%2F%2F%2F%2F7%2B%2Fu2bCTIYwDPZgDBWQDSr4P%2F%2Fv%2F%2F%2FP5GRuABAPkAA%2FwBAfkDAPAAAesAAN%2F%2F%2B%2Fz%2F%2F%2F64g1C5VwDMYwK8Yg7y5tz8%2Fv%2FV1PYKDOcAAP0DAf4AAf0AAfYEAOwAAuAAAAD%2F%2FPvi28ymXyChTATRrIb8%2F%2F3v8fk6P8MAAdUCAvoAAP0CAP0AAfYAAO4AAACAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAAQAA</Image>
+<Url type="text/html" method="GET" template="http://www.google.com/search?q={searchTerms}"/>
+</OpenSearchDescription>
--- a/data/search_providers/wikipedia.xml
+++ b/data/search_providers/wikipedia.xml
@ -0,0 +1,44 @@
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
+<ShortName>Wikipedia</ShortName>
+<Description>Wikipedia, the free encyclopedia</Description>
+<InputEncoding>UTF-8</InputEncoding>
+<Image width="16" height="16">data:image/x-icon;base64,AAABAAEAEBAQAAEABAAoAQAAFgAAACgAAAAQAAAAIAAAAAEABAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAEAgQAhIOEAMjHyABIR0gA6ejpAGlqaQCpqKkAKCgoAPz9%2FAAZGBkAmJiYANjZ2ABXWFcAent6ALm6uQA8OjwAiIiIiIiIiIiIiI4oiL6IiIiIgzuIV4iIiIhndo53KIiIiB%2FWvXoYiIiIfEZfWBSIiIEGi%2FfoqoiIgzuL84i9iIjpGIoMiEHoiMkos3FojmiLlUipYliEWIF%2BiDe0GoRa7D6GPbjcu1yIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA</Image>
+<Url type="text/html" method="GET" template="http://{language}.wikipedia.org/wiki/Special:Search?search={searchTerms}"/>
+<!-- The criterion for being below is being listed with more than 100,000
+articles on http://meta.wikimedia.org/wiki/List_of_Wikipedias -->
+<Language>ar</Language>
+<Language>bg</Language>
+<Language>ca</Language>
+<Language>cs</Language>
+<Language>da</Language>
+<Language>de</Language>
+<Language>en</Language>
+<Language>eo</Language>
+<Language>es</Language>
+<Language>fa</Language>
+<Language>fi</Language>
+<Language>fr</Language>
+<Language>he</Language>
+<Language>hu</Language>
+<Language>id</Language>
+<Language>it</Language>
+<Language>ja</Language>
+<Language>ko</Language>
+<Language>lt</Language>
+<Language>nl</Language>
+<Language>no</Language>
+<Language>pl</Language>
+<Language>pt</Language>
+<Language>ro</Language>
+<Language>ru</Language>
+<Language>sk</Language>
+<Language>sl</Language>
+<Language>sr</Language>
+<Language>sv</Language>
+<Language>tr</Language>
+<Language>uk</Language>
+<Language>vi</Language>
+<Language>vo</Language>
+<Language>war</Language>
+<Language>zh</Language>
+</OpenSearchDescription>
--- a/data/theme/add-workspace.svg
+++ b/data/theme/add-workspace.svg
@ -1,98 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<svg
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-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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--- a/data/theme/calendar-arrow-left.svg
+++ b/data/theme/calendar-arrow-left.svg
@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
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+   xmlns="http://www.w3.org/2000/svg"
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--- a/data/theme/calendar-arrow-right.svg
+++ b/data/theme/calendar-arrow-right.svg
@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
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--- a/data/theme/calendar-today.svg
+++ b/data/theme/calendar-today.svg
@ -0,0 +1,187 @@
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
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+         style="color:#000000;fill:#000000;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0.52343899;marker:none;visibility:visible;display:inline;overflow:visible"
+         sodipodi:type="arc" />
+      <path
+         transform="matrix(2.86565,0,0,2.86565,166.846,-534.143)"
+         d="m -36.5,186.40625 c 0,1.15635 -0.937404,2.09375 -2.09375,2.09375 -1.156346,0 -2.09375,-0.9374 -2.09375,-2.09375 0,-1.15635 0.937404,-2.09375 2.09375,-2.09375 1.156346,0 2.09375,0.9374 2.09375,2.09375 z"
+         sodipodi:ry="2.09375"
+         sodipodi:rx="2.09375"
+         sodipodi:cy="186.40625"
+         sodipodi:cx="-38.59375"
+         id="path4050-2-7-9-4-0"
+         style="color:#000000;fill:none;stroke:#000000;stroke-width:0.69792098;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible"
+         sodipodi:type="arc" />
+      <path
+         transform="matrix(2.86565,0,0,2.86565,188.846,-534.143)"
+         d="m -36.5,186.40625 c 0,1.15635 -0.937404,2.09375 -2.09375,2.09375 -1.156346,0 -2.09375,-0.9374 -2.09375,-2.09375 0,-1.15635 0.937404,-2.09375 2.09375,-2.09375 1.156346,0 2.09375,0.9374 2.09375,2.09375 z"
+         sodipodi:ry="2.09375"
+         sodipodi:rx="2.09375"
+         sodipodi:cy="186.40625"
+         sodipodi:cx="-38.59375"
+         id="path4050-2-7-9-4-0-9"
+         style="color:#000000;fill:none;stroke:#000000;stroke-width:0.69792098;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible"
+         sodipodi:type="arc" />
+      <path
+         transform="matrix(2,0,0,2,-586,-765.967)"
+         sodipodi:nodetypes="ccccscccsc"
+         id="path3165-7-3-1"
+         d="m 317.06251,365.96875 c -0.76948,0.0224 -1.52555,0.35464 -2.0625,0.90625 l -16.125,16.125 16.125,16.125 c 1.11265,1.11265 3.13735,1.11265 4.25,0 1.11265,-1.11264 1.11265,-3.13735 0,-4.25 l -11.875,-11.875 11.875,-11.875 c 0.86584,-0.83655 1.1475,-2.22114 0.6773,-3.32947 -0.47021,-1.10834 -1.66156,-1.86802 -2.8648,-1.82678 z"
+         style="font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-indent:0pt;text-align:start;text-decoration:none;line-height:normal;letter-spacing:normal;word-spacing:normal;text-transform:none;direction:ltr;text-anchor:start;opacity:0.35;color:#000000;fill:none;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker:none;visibility:visible;display:inline;overflow:visible;font-family:Bitstream Vera Sans"
+         inkscape:connector-curvature="0" />
+      <path
+         transform="matrix(2,0,0,2,-586,-765.967)"
+         sodipodi:nodetypes="ccccccc"
+         id="path3165-7-3-1-9"
+         d="m 320.08435,397.03059 c 0.007,-0.79449 -0.27079,-1.59203 -0.83434,-2.15559 L 307.37501,383 m 12.5523,-15.20447 c -0.47021,-1.10834 -1.66156,-1.86802 -2.8648,-1.82678 -0.76948,0.0224 -1.52555,0.35464 -2.0625,0.90625 L 298.87501,383"
+         style="font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-indent:0pt;text-align:start;text-decoration:none;line-height:normal;letter-spacing:normal;word-spacing:normal;text-transform:none;direction:ltr;text-anchor:start;color:#000000;fill:none;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker:none;visibility:visible;display:inline;overflow:visible;font-family:Bitstream Vera Sans"
+         inkscape:connector-curvature="0" />
+    </g>
+  </g>
+</svg>
--- a/gnome-shell.doap
+++ b/gnome-shell.doap
@ -6,6 +6,22 @@

  <name xml:lang="en">GNOME Shell</name>
  <shortdesc xml:lang="en">Next generation GNOME desktop shell</shortdesc>
+  <description>GNOME Shell provides core user interface functions for the GNOME 3
+desktop, like switching to windows and launching applications.
+GNOME Shell takes advantage of the capabilities of modern graphics
+hardware and introduces innovative user interface concepts to
+provide a visually attractive and easy to use experience.
+
+Tarball releases are provided largely for distributions to build
+packages. If you are interested in building GNOME Shell from source,
+we would recommend building from version control using the build
+script described at:
+
+ http://live.gnome.org/GnomeShell
+
+Not only will that give you the very latest version of this rapidly
+changing project, it will be much easier than get GNOME Shell and
+its dependencies to build from tarballs.</description>
  <!--
  <homepage rdf:resource="http://live.gnome.org/GnomeShell" />
  -->
@ -33,7 +49,7 @@
    <foaf:Person>
      <foaf:name>Colin Walters</foaf:name>
      <foaf:mbox rdf:resource="mailto:walters@verbum.org" />
-      <gnome:userid>cwalters</gnome:userid>
+      <gnome:userid>walters</gnome:userid>
    </foaf:Person>
  </maintainer>
  <maintainer>
--- a/js/Makefile.am
+++ b/js/Makefile.am
@ -2,26 +2,30 @@
 jsdir = $(pkgdatadir)/js

 nobase_dist_js_DATA = 	\
+	misc/config.js		\
 	misc/docInfo.js		\
 	misc/fileUtils.js	\
 	misc/format.js		\
 	misc/gnomeSession.js	\
+	misc/history.js		\
+	misc/modemManager.js	\
 	misc/params.js		\
-	misc/telepathy.js	\
+	misc/util.js		\
 	perf/core.js		\
-	prefs/clockPreferences.js \
 	ui/altTab.js		\
 	ui/appDisplay.js	\
 	ui/appFavorites.js	\
 	ui/boxpointer.js	\
 	ui/calendar.js		\
 	ui/chrome.js		\
+	ui/ctrlAltTab.js	\
 	ui/dash.js		\
+	ui/dateMenu.js		\
 	ui/dnd.js		\
 	ui/docDisplay.js	\
+	ui/endSessionDialog.js	\
 	ui/environment.js	\
 	ui/extensionSystem.js	\
-	ui/genericDisplay.js	\
 	ui/iconGrid.js		\
 	ui/lightbox.js		\
 	ui/link.js		\
@ -30,23 +34,34 @@ nobase_dist_js_DATA = 	\
 	ui/magnifierDBus.js	\
 	ui/main.js		\
 	ui/messageTray.js	\
+	ui/modalDialog.js	\
 	ui/notificationDaemon.js \
 	ui/overview.js		\
 	ui/panel.js		\
 	ui/panelMenu.js		\
 	ui/placeDisplay.js	\
+	ui/polkitAuthenticationAgent.js \
 	ui/popupMenu.js		\
 	ui/runDialog.js		\
 	ui/scripting.js		\
 	ui/search.js		\
+	ui/searchDisplay.js	\
 	ui/shellDBus.js		\
 	ui/statusIconDispatcher.js	\
 	ui/statusMenu.js	\
 	ui/status/accessibility.js	\
+	ui/status/keyboard.js	\
+	ui/status/network.js	\
+	ui/status/power.js	\
+	ui/status/volume.js	\
+	ui/status/bluetooth.js	\
 	ui/telepathyClient.js	\
 	ui/tweener.js		\
+	ui/viewSelector.js	\
 	ui/windowAttentionHandler.js	\
 	ui/windowManager.js	\
 	ui/workspace.js		\
+	ui/workspaceThumbnail.js	\
 	ui/workspacesView.js	\
-	ui/workspaceSwitcherPopup.js
+	ui/workspaceSwitcherPopup.js    \
+	ui/xdndHandler.js
--- a/js/misc/config.js.in
+++ b/js/misc/config.js.in
@ -0,0 +1,10 @@
+/* mode: js2; indent-tabs-mode: nil; tab-size: 4 */
+/* The name of this package (not localized) */
+const PACKAGE_NAME = '@PACKAGE_NAME@';
+/* The version of this package */
+const PACKAGE_VERSION = '@PACKAGE_VERSION@';
+/* The version of GJS we're linking to */
+const GJS_VERSION = '@GJS_VERSION@';
+/* 1 if gnome-bluetooth is available, 0 otherwise */
+const HAVE_BLUETOOTH = @HAVE_BLUETOOTH@;
+
--- a/js/misc/docInfo.js
+++ b/js/misc/docInfo.js
@ -29,8 +29,8 @@ DocInfo.prototype = {
        return St.TextureCache.get_default().load_recent_thumbnail(size, this.recentInfo);
    },

-    launch : function() {
-        Shell.DocSystem.get_default().open(this.recentInfo);
+    launch : function(workspaceIndex) {
+        Shell.DocSystem.get_default().open(this.recentInfo, workspaceIndex);
    },

    matchTerms: function(terms) {
@ -60,8 +60,7 @@ function getDocManager() {
 }

 /**
- * DocManager wraps the DocSystem, primarily to expose DocInfo objects
- * which conform to the GenericDisplay item API.
+ * DocManager wraps the DocSystem, primarily to expose DocInfo objects.
 */
 function DocManager() {
    this._init();
--- a/js/misc/gnomeSession.js
+++ b/js/misc/gnomeSession.js
@ -2,11 +2,13 @@

 const DBus = imports.dbus;
 const Lang = imports.lang;
+const Signals = imports.signals;

 const PresenceIface = {
    name: 'org.gnome.SessionManager.Presence',
    methods: [{ name: 'SetStatus',
-                inSignature: 'u' }],
+                inSignature: 'u',
+                outSignature: '' }],
    properties: [{ name: 'status',
                   signature: 'u',
                   access: 'readwrite' }],
@ -43,3 +45,81 @@ Presence.prototype = {
    }
 };
 DBus.proxifyPrototype(Presence.prototype, PresenceIface);
+
+// Note inhibitors are immutable objects, so they don't
+// change at runtime (changes always come in the form
+// of new inhibitors)
+const InhibitorIface = {
+    name: 'org.gnome.SessionManager.Inhibitor',
+    properties: [{ name: 'app_id',
+                   signature: 's',
+                   access: 'readonly' },
+                 { name: 'client_id',
+                   signature: 's',
+                   access: 'readonly' },
+                 { name: 'reason',
+                   signature: 's',
+                   access: 'readonly' },
+                 { name: 'flags',
+                   signature: 'u',
+                   access: 'readonly' },
+                 { name: 'toplevel_xid',
+                   signature: 'u',
+                   access: 'readonly' },
+                 { name: 'cookie',
+                   signature: 'u',
+                   access: 'readonly' }],
+};
+
+function Inhibitor(objectPath) {
+    this._init(objectPath);
+}
+
+Inhibitor.prototype = {
+    _init: function(objectPath) {
+        DBus.session.proxifyObject(this,
+                                   "org.gnome.SessionManager",
+                                   objectPath);
+        this.isLoaded = false;
+        this._loadingPropertiesCount = InhibitorIface.properties.length;
+        for (let i = 0; i < InhibitorIface.properties.length; i++) {
+            let propertyName = InhibitorIface.properties[i].name;
+            this.GetRemote(propertyName, Lang.bind(this,
+                function(value, exception) {
+                    if (exception)
+                        return;
+
+                    this[propertyName] = value;
+                    this._loadingPropertiesCount--;
+
+                    if (this._loadingPropertiesCount == 0) {
+                        this.isLoaded = true;
+                        this.emit("is-loaded");
+                    }
+                }));
+        }
+    },
+};
+DBus.proxifyPrototype(Inhibitor.prototype, InhibitorIface);
+Signals.addSignalMethods(Inhibitor.prototype);
+
+
+// Not the full interface, only the methods we use
+const SessionManagerIface = {
+    name: 'org.gnome.SessionManager',
+    methods: [
+        { name: 'Logout', inSignature: 'u', outSignature: '' },
+        { name: 'Shutdown', inSignature: '', outSignature: '' }
+    ]
+};
+
+function SessionManager() {
+    this._init();
+}
+
+SessionManager.prototype = {
+    _init: function() {
+        DBus.session.proxifyObject(this, 'org.gnome.SessionManager', '/org/gnome/SessionManager');
+    }
+};
+DBus.proxifyPrototype(SessionManager.prototype, SessionManagerIface);
--- a/js/misc/history.js
+++ b/js/misc/history.js
@ -0,0 +1,115 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Lang = imports.lang;
+const Signals = imports.signals;
+const Clutter = imports.gi.Clutter;
+const Params = imports.misc.params;
+
+const DEFAULT_LIMIT = 512;
+
+function HistoryManager(params) {
+    this._init(params);
+}
+
+HistoryManager.prototype = {
+    _init: function(params) {
+        params = Params.parse(params, { gsettingsKey: null,
+                                        limit: DEFAULT_LIMIT,
+                                        entry: null });
+
+        this._key = params.gsettingsKey;
+        this._limit = params.limit;
+
+        this._historyIndex = 0;
+        if (this._key) {
+            this._history = global.settings.get_strv(this._key);
+            global.settings.connect('changed::' + this._key,
+                                    Lang.bind(this, this._historyChanged));
+
+        } else {
+            this._history = [];
+        }
+
+        this._entry = params.entry;
+
+        if (this._entry) {
+            this._entry.connect('key-press-event', 
+                                Lang.bind(this, this._onEntryKeyPress));
+        }
+    },
+
+    _historyChanged: function() {
+        this._history = global.settings.get_strv(this._key);
+        this._historyIndex = this._history.length;
+    },
+
+    prevItem: function(text) {
+        if (this._historyIndex <= 0)
+            return text;
+
+        if (text)
+            this._history[this._historyIndex] = text;
+        this._historyIndex--;
+        return this._indexChanged();
+    },
+
+    nextItem: function(text) {
+        if (this._historyIndex >= this._history.length)
+            return text;
+
+        if (text)
+            this._history[this._historyIndex] = text;
+        this._historyIndex++;
+        return this._indexChanged();
+    },
+
+    lastItem: function() {
+        if (this._historyIndex != this._history.length) {
+            this._historyIndex = this._history.length;
+            this._indexChanged();
+        }
+
+        return this._historyIndex[this._history.length];
+    },
+
+    addItem: function(input) {
+        if (this._history.length == 0 ||
+            this._history[this._history.length - 1] != input) {
+
+            this._history.push(input);
+            this._historyIndex = this._history.length;
+            this._save();
+        }   
+    },
+
+    _onEntryKeyPress: function(entry, event) {
+        let symbol = event.get_key_symbol();
+        if (symbol == Clutter.KEY_Up) {
+            this.prevItem(entry.get_text());
+            return true;
+        } else if (symbol == Clutter.KEY_Down) {
+            this.nextItem(entry.get_text());
+            return true;
+        }
+        return false;
+    },
+
+    _indexChanged: function() {
+        let current = this._history[this._historyIndex] || '';
+        this.emit('changed', current);
+
+        if (this._entry)
+            this._entry.set_text(current);
+
+        return current;
+    },
+
+    _save: function() {
+        if (this._history.length > this._limit)
+            this._history.splice(0, this._history.length - this._limit);
+
+        if (this._key)
+            global.settings.set_strv(this._key, this._history);
+    }
+};
+Signals.addSignalMethods(HistoryManager.prototype);
--- a/js/misc/modemManager.js
+++ b/js/misc/modemManager.js
@ -0,0 +1,225 @@
+// -*- mode: js2; indent-tabs-mode: nil; js2-basic-offset: 4 -*-
+
+const DBus = imports.dbus;
+const Lang = imports.lang;
+const Shell = imports.gi.Shell;
+const Signals = imports.signals;
+
+// The following are not the complete interfaces, just the methods we need
+// (or may need in the future)
+
+const ModemGsmNetworkInterface = {
+    name: 'org.freedesktop.ModemManager.Modem.Gsm.Network',
+    methods: [
+        { name: 'GetRegistrationInfo', inSignature: '', outSignature: 'uss' },
+        { name: 'GetSignalQuality', inSignature: '', outSignature: 'u' }
+    ],
+    properties: [
+        { name: 'AccessTechnology', signature: 'u', access: 'read' }
+    ],
+    signals: [
+        { name: 'SignalQuality', inSignature: 'u' },
+        { name: 'RegistrationInfo', inSignature: 'uss' }
+    ]
+};
+const ModemGsmNetworkProxy = DBus.makeProxyClass(ModemGsmNetworkInterface);
+
+const ModemCdmaInterface = {
+    name: 'org.freedesktop.ModemManager.Modem.Cdma',
+    methods: [
+        { name: 'GetSignalQuality', inSignature: '', outSignature: 'u' },
+        { name: 'GetServingSystem', inSignature: '', outSignature: 'usu' }
+    ],
+    signals: [
+        { name: 'SignalQuality', inSignature: 'u' }
+    ]
+};
+const ModemCdmaProxy = DBus.makeProxyClass(ModemCdmaInterface);
+
+let _providersTable;
+function _getProvidersTable() {
+    if (_providersTable)
+        return _providersTable;
+    let [providers, countryCodes] = Shell.mobile_providers_parse();
+    return _providersTable = providers;
+}
+
+function ModemGsm() {
+    this._init.apply(this, arguments);
+}
+
+ModemGsm.prototype = {
+    _init: function(path) {
+        this._proxy = new ModemGsmNetworkProxy(DBus.system, 'org.freedesktop.ModemManager', path);
+
+        this.signal_quality = 0;
+        this.operator_name = null;
+
+        // Code is duplicated because the function have different signatures
+        this._proxy.connect('SignalQuality', Lang.bind(this, function(proxy, quality) {
+            this.signal_quality = quality;
+            this.emit('notify::signal-quality');
+        }));
+        this._proxy.connect('RegistrationInfo', Lang.bind(this, function(proxy, status, code, name) {
+            this.operator_name = this._findOperatorName(name, code);
+            this.emit('notify::operator-name');
+        }));
+        this._proxy.GetRegistrationInfoRemote(Lang.bind(this, function(result, err) {
+            if (err) {
+                log(err);
+                return;
+            }
+
+            let [status, code, name] = result;
+            this.operator_name = this._findOperatorName(name, code);
+            this.emit('notify::operator-name');
+        }));
+        this._proxy.GetSignalQualityRemote(Lang.bind(this, function(result, err) {
+            if (err) {
+                // it will return an error if the device is not connected
+                this.signal_quality = 0;
+            } else {
+                let [quality] = result;
+                this.signal_quality = quality;
+            }
+            this.emit('notify::signal-quality');
+        }));
+    },
+
+    _findOperatorName: function(name, opCode) {
+        if (name.length != 0 && (name.length > 6 || name.length < 5)) {
+            // this looks like a valid name, i.e. not an MCCMNC (that some
+            // devices return when not yet connected
+            return name;
+        }
+        if (isNaN(parseInt(name))) {
+            // name is definitely not a MCCMNC, so it may be a name
+            // after all; return that
+            return name;
+        }
+
+        let needle;
+        if (name.length == 0 && opCode)
+            needle = opCode;
+        else if (name.length == 6 || name.length == 5)
+            needle = name;
+        else // nothing to search
+            return null;
+
+        return this._findProviderForMCCMNC(needle);
+    },
+
+    _findProviderForMCCMNC: function(needle) {
+        let table = _getProvidersTable();
+        let needlemcc = needle.substring(0, 3);
+        let needlemnc = needle.substring(3, needle.length);
+
+        let name2, name3;
+        for (let iter in table) {
+            let providers = table[iter];
+
+            // Search through each country's providers
+            for (let i = 0; i < providers.length; i++) {
+                let provider = providers[i];
+
+                // Search through MCC/MNC list
+                let list = provider.get_gsm_mcc_mnc();
+                for (let j = 0; j < list.length; j++) {
+                    let mccmnc = list[j];
+
+                    // Match both 2-digit and 3-digit MNC; prefer a
+                    // 3-digit match if found, otherwise a 2-digit one.
+                    if (mccmnc.mcc != needlemcc)
+                        continue;  // MCC was wrong
+
+                    if (!name3 && needle.length == 6 && needlemnc == mccmnc.mnc)
+                        name3 = provider.name;
+
+                    if (!name2 && needlemnc.substring(0, 2) == mccmnc.mnc.substring(0, 2))
+                        name2 = provider.name;
+
+                    if (name2 && name3)
+                        break;
+                }
+            }
+        }
+
+        return name3 || name2 || null;
+    }
+}
+Signals.addSignalMethods(ModemGsm.prototype);
+
+function ModemCdma() {
+    this._init.apply(this, arguments);
+}
+
+ModemCdma.prototype = {
+    _init: function(path) {
+        this._proxy = new ModemCdmaProxy(DBus.system, 'org.freedesktop.ModemManager', path);
+
+        this.signal_quality = 0;
+        this.operator_name = null;
+        this._proxy.connect('SignalQuality', Lang.bind(this, function(proxy, quality) {
+            this.signal_quality = quality;
+            this.emit('notify::signal-quality');
+
+            // receiving this signal means the device got activated
+            // and we can finally call GetServingSystem
+            if (this.operator_name == null)
+                this._refreshServingSystem();
+        }));
+        this._proxy.GetSignalQualityRemote(Lang.bind(this, function(result, err) {
+            if (err) {
+                // it will return an error if the device is not connected
+                this.signal_quality = 0;
+            } else {
+                let [quality] = result;
+                this.signal_quality = quality;
+            }
+            this.emit('notify::signal-quality');
+        }));
+    },
+
+    _refreshServingSystem: function() {
+        this._proxy.GetServingSystemRemote(Lang.bind(this, function(result, err) {
+            if (err) {
+                // it will return an error if the device is not connected
+                this.operator_name = null;
+            } else {
+                let [bandClass, band, id] = result;
+                if (name.length > 0)
+                    this.operator_name = this._findProviderForSid(id);
+                else
+                    this.operator_name = null;
+            }
+            this.emit('notify::operator-name');
+        }));
+    },
+
+    _findProviderForSid: function(sid) {
+        if (sid == 0)
+            return null;
+
+        let table = _getProvidersTable();
+
+        // Search through each country
+        for (let iter in table) {
+            let providers = table[iter];
+
+            // Search through each country's providers
+            for (let i = 0; i < providers.length; i++) {
+                let provider = providers[i];
+                let cdma_sid = provider.get_cdma_sid();
+
+                // Search through CDMA SID list
+                for (let j = 0; j < cdma_sid.length; j++) {
+                    if (cdma_sid[j] == sid)
+                        return provider.name;
+                }
+            }
+        }
+
+        return null;
+    }
+};
+Signals.addSignalMethods(ModemCdma.prototype);
--- a/js/misc/telepathy.js
+++ b/js/misc/telepathy.js
@ -1,372 +0,0 @@
-/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
-
-const DBus = imports.dbus;
-
-// D-Bus utils; should eventually move to gjs.
-// https://bugzilla.gnome.org/show_bug.cgi?id=610859
-
-function makeProxyClass(iface) {
-    let constructor = function() { this._init.apply(this, arguments); };
-
-    constructor.prototype._init = function(bus, name, path) {
-        bus.proxifyObject(this, name, path);
-    };
-
-    DBus.proxifyPrototype(constructor.prototype, iface);
-    return constructor;
-}
-
-function nameToPath(name) {
-    return '/' + name.replace(/\./g, '/');
-};
-
-function pathToName(path) {
-    if (path[0] != '/')
-        throw new Error('not a D-Bus path: ' + path);
-    return path.substr(1).replace(/\//g, '.');
-};
-
-// This is tp_escape_as_identifier() from telepathy-glib
-function escapeAsIdentifier(name) {
-    if (!name)
-        return '_';
-
-    // first char is replaced with _XX if it's non-alpha,
-    // later chars are replaced with _XX if they're non-alphanumeric
-    if (name.length == 1) {
-        return name.replace(/[^a-zA-Z]/, _hexEscape);
-    } else {
-        return (name[0].replace(/[^a-zA-Z]/, _hexEscape) +
-                name.substring(1).replace(/[^a-zA-Z0-9]/g, _hexEscape));
-    }
-}
-
-function _hexEscape(ch) {
-    return '_' + ch.charCodeAt(0).toString(16);
-}
-
-// Telepathy D-Bus interface definitions. Note that most of these are
-// incomplete, and only cover the methods/properties/signals that
-// we're currently using.
-
-const TELEPATHY = 'org.freedesktop.Telepathy';
-
-const CLIENT_NAME = TELEPATHY + '.Client';
-const ClientIface = {
-    name: CLIENT_NAME,
-    properties: [
-        { name: 'Interfaces',
-          signature: 'as',
-          access: 'read' }
-    ]
-};
-
-const CLIENT_APPROVER_NAME = TELEPATHY + '.Client.Approver';
-const ClientApproverIface = {
-    name: CLIENT_APPROVER_NAME,
-    methods: [
-        { name: 'AddDispatchOperation',
-          inSignature: 'a(oa{sv})oa{sv}',
-          outSignature: '' }
-    ],
-    properties: [
-        { name: 'ApproverChannelFilter',
-          signature: 'aa{sv}',
-          access: 'read' }
-    ]
-};
-
-const CLIENT_HANDLER_NAME = TELEPATHY + '.Client.Handler';
-const ClientHandlerIface = {
-    name: CLIENT_HANDLER_NAME,
-    methods: [
-        { name: 'HandleChannels',
-          inSignature: 'ooa(oa{sv})aota{sv}',
-          outSignature: '' }
-    ],
-    properties: [
-        { name: 'HandlerChannelFilter',
-          signature: 'aa{sv}',
-          access: 'read' }
-    ]
-};
-
-const CLIENT_OBSERVER_NAME = TELEPATHY + '.Client.Observer';
-const ClientObserverIface = {
-    name: CLIENT_OBSERVER_NAME,
-    methods: [
-        { name: 'ObserveChannels',
-          inSignature: 'ooa(oa{sv})oaoa{sv}',
-          outSignature: '' }
-    ],
-    properties: [
-        { name: 'ObserverChannelFilter',
-          signature: 'aa{sv}',
-          access: 'read' }
-    ]
-};
-
-const CHANNEL_DISPATCH_OPERATION_NAME = TELEPATHY + '.ChannelDispatchOperation';
-const ChannelDispatchOperationIface = {
-    name: CHANNEL_DISPATCH_OPERATION_NAME,
-    methods: [
-        { name: 'HandleWith',
-          inSignature: 's',
-          outSignature: '' },
-        { name: 'Claim',
-          inSignature: '',
-          outSignature: '' }
-    ]
-};
-let ChannelDispatchOperation = makeProxyClass(ChannelDispatchOperationIface);
-
-const CONNECTION_NAME = TELEPATHY + '.Connection';
-const ConnectionIface = {
-    name: CONNECTION_NAME,
-    signals: [
-        { name: 'StatusChanged',
-          inSignature: 'uu' }
-    ]
-};
-let Connection = makeProxyClass(ConnectionIface);
-
-const ConnectionStatus = {
-    CONNECTED:    0,
-    CONNECTING:   1,
-    DISCONNECTED: 2
-};
-
-const CONNECTION_ALIASING_NAME = CONNECTION_NAME + '.Interface.Aliasing';
-const ConnectionAliasingIface = {
-    name: CONNECTION_ALIASING_NAME,
-    methods: [
-        { name: 'RequestAliases',
-          inSignature: 'au',
-          outSignature: 'as'
-        }
-    ],
-    signals: [
-        { name: 'AliasesChanged',
-          inSignature: 'a(us)' }
-    ]
-};
-let ConnectionAliasing = makeProxyClass(ConnectionAliasingIface);
-
-const CONNECTION_AVATARS_NAME = CONNECTION_NAME + '.Interface.Avatars';
-const ConnectionAvatarsIface = {
-    name: CONNECTION_AVATARS_NAME,
-    methods: [
-        { name: 'GetKnownAvatarTokens',
-          inSignature: 'au',
-          outSignature: 'a{us}'
-        },
-        { name: 'RequestAvatars',
-          inSignature: 'au',
-          outSignature: ''
-        }
-    ],
-    signals: [
-        { name: 'AvatarRetrieved',
-          inSignature: 'usays'
-        },
-        { name: 'AvatarUpdated',
-          inSignature: 'us'
-        }
-    ]
-};
-let ConnectionAvatars = makeProxyClass(ConnectionAvatarsIface);
-
-const CONNECTION_CONTACTS_NAME = CONNECTION_NAME + '.Interface.Contacts';
-const ConnectionContactsIface = {
-    name: CONNECTION_CONTACTS_NAME,
-    methods: [
-        { name: 'GetContactAttributes',
-          inSignature: 'auasb',
-          outSignature: 'a{ua{sv}}'
-        }
-    ]
-};
-let ConnectionContacts = makeProxyClass(ConnectionContactsIface);
-
-const CONNECTION_REQUESTS_NAME = CONNECTION_NAME + '.Interface.Requests';
-const ConnectionRequestsIface = {
-    name: CONNECTION_REQUESTS_NAME,
-    methods: [
-        { name: 'CreateChannel',
-          inSignature: 'a{sv}',
-          outSignature: 'oa{sv}'
-        },
-        { name: 'EnsureChannel',
-          inSignature: 'a{sv}',
-          outSignature: 'boa{sv}'
-        }
-    ],
-    properties: [
-        { name: 'Channels',
-          signature: 'a(oa{sv})',
-          access: 'read' }
-    ],
-    signals: [
-        { name: 'NewChannels',
-          inSignature: 'a(oa{sv})'
-        },
-        { name: 'ChannelClosed',
-          inSignature: 'o'
-        }
-    ]
-};
-let ConnectionRequests = makeProxyClass(ConnectionRequestsIface);
-
-const CONNECTION_SIMPLE_PRESENCE_NAME = CONNECTION_NAME + '.Interface.SimplePresence';
-const ConnectionSimplePresenceIface = {
-    name: CONNECTION_SIMPLE_PRESENCE_NAME,
-    methods: [
-        { name: 'SetPresence',
-          inSignature: 'ss'
-        },
-        { name: 'GetPresences',
-          inSignature: 'au',
-          outSignature: 'a{u(uss)}'
-        }
-    ],
-    signals: [
-        { name: 'PresencesChanged',
-          inSignature: 'a{u(uss)}' }
-    ]
-};
-let ConnectionSimplePresence = makeProxyClass(ConnectionSimplePresenceIface);
-
-const ConnectionPresenceType = {
-    UNSET:         0,
-    OFFLINE:       1,
-    AVAILABLE:     2,
-    AWAY:          3,
-    EXTENDED_AWAY: 4,
-    HIDDEN:        5,
-    BUSY:          6,
-    UNKNOWN:       7,
-    ERROR:         8
-};
-
-const HandleType = {
-    NONE:    0,
-    CONTACT: 1,
-    ROOM:    2,
-    LIST:    3,
-    GROUP:   4
-};
-
-const CHANNEL_NAME = TELEPATHY + '.Channel';
-const ChannelIface = {
-    name: CHANNEL_NAME,
-    signals: [
-        { name: 'Closed',
-          inSignature: '' }
-    ]
-};
-let Channel = makeProxyClass(ChannelIface);
-
-const CHANNEL_TEXT_NAME = CHANNEL_NAME + '.Type.Text';
-const ChannelTextIface = {
-    name: CHANNEL_TEXT_NAME,
-    methods: [
-        { name: 'ListPendingMessages',
-          inSignature: 'b',
-          outSignature: 'a(uuuuus)'
-        },
-        { name: 'AcknowledgePendingMessages',
-          inSignature: 'au',
-          outSignature: ''
-        },
-        { name: 'Send',
-          inSignature: 'us',
-          outSignature: ''
-        }
-    ],
-    signals: [
-        { name: 'Received',
-          inSignature: 'uuuuus' }
-    ]
-};
-let ChannelText = makeProxyClass(ChannelTextIface);
-
-const ChannelTextMessageType = {
-    NORMAL: 0,
-    ACTION: 1,
-    NOTICE: 2,
-    AUTO_REPLY: 3,
-    DELIVERY_REPORT: 4
-};
-
-const CHANNEL_CONTACT_LIST_NAME = CHANNEL_NAME + '.Type.ContactList';
-// There is no interface associated with ContactList; it's just a
-// special kind of Channel.Interface.Group
-
-const CHANNEL_GROUP_NAME = CHANNEL_NAME + '.Interface.Group';
-const ChannelGroupIface = {
-    name: CHANNEL_GROUP_NAME,
-    properties: [
-        { name: 'Members',
-          signature: 'au',
-          access: 'read' }
-    ],
-    signals: [
-        { name: 'MembersChanged',
-          inSignature: 'sauauauauuu' }
-    ]
-};
-let ChannelGroup = makeProxyClass(ChannelGroupIface);
-
-const ACCOUNT_MANAGER_NAME = TELEPATHY + '.AccountManager';
-const AccountManagerIface = {
-    name: ACCOUNT_MANAGER_NAME,
-    properties: [
-        { name: 'ValidAccounts',
-          signature: 'ao',
-          access: 'read' }
-    ],
-    signals: [
-        { name: 'AccountValidityChanged',
-          inSignature: 'ob' }
-    ]
-};
-let AccountManager = makeProxyClass(AccountManagerIface);
-
-const ACCOUNT_NAME = TELEPATHY + '.Account';
-const AccountIface = {
-    name: ACCOUNT_NAME,
-    properties: [
-        { name: 'Connection',
-          signature: 'o',
-          access: 'read' }
-    ]
-};
-let Account = makeProxyClass(AccountIface);
-
-const CHANNEL_DISPATCHER_NAME = TELEPATHY + '.ChannelDispatcher';
-const ChannelDispatcherIface = {
-    name: CHANNEL_DISPATCHER_NAME,
-    methods: [
-        { name: 'EnsureChannel',
-          inSignature: 'oa{sv}xs',
-          outSignature: 'o' }
-    ]
-};
-let ChannelDispatcher = makeProxyClass(ChannelDispatcherIface);
-
-const CHANNEL_REQUEST_NAME = TELEPATHY + '.ChannelRequest';
-const ChannelRequestIface = {
-    name: CHANNEL_REQUEST_NAME,
-    methods: [
-        { name: 'Proceed',
-          inSignature: '',
-          outSignature: '' }
-    ],
-    signals: [
-        { name: 'Failed',
-          signature: 'ss' },
-        { name: 'Succeeded',
-          signature: '' }
-    ]
-};
-let ChannelRequest = makeProxyClass(ChannelRequestIface);
--- a/js/misc/util.js
+++ b/js/misc/util.js
@ -0,0 +1,213 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Gdk = imports.gi.Gdk;
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const Shell = imports.gi.Shell;
+
+const Main = imports.ui.main;
+
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+/* http://daringfireball.net/2010/07/improved_regex_for_matching_urls */
+const _urlRegexp = new RegExp('\\b(([a-z][\\w-]+:(/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}/)([^\\s()<>]+|\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\))+(\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:\'\\".,<>?«»“”‘’]))', 'gi');
+
+// findUrls:
+// @str: string to find URLs in
+//
+// Searches @str for URLs and returns an array of objects with %url
+// properties showing the matched URL string, and %pos properties indicating
+// the position within @str where the URL was found.
+//
+// Return value: the list of match objects, as described above
+function findUrls(str) {
+    let res = [], match;
+    while ((match = _urlRegexp.exec(str)))
+        res.push({ url: match[0], pos: match.index });
+    return res;
+}
+
+// spawn:
+// @argv: an argv array
+//
+// Runs @argv in the background, handling any errors that occur
+// when trying to start the program.
+function spawn(argv) {
+    try {
+        trySpawn(argv);
+    } catch (err) {
+        _handleSpawnError(argv[0], err);
+    }
+}
+
+// spawnCommandLine:
+// @command_line: a command line
+//
+// Runs @command_line in the background, handling any errors that
+// occur when trying to parse or start the program.
+function spawnCommandLine(command_line) {
+    try {
+        let [success, argc, argv] = GLib.shell_parse_argv(command_line);
+        trySpawn(argv);
+    } catch (err) {
+        _handleSpawnError(command_line, err);
+    }
+}
+
+// trySpawn:
+// @argv: an argv array
+//
+// Runs @argv in the background. If launching @argv fails,
+// this will throw an error.
+function trySpawn(argv)
+{
+    try {
+        GLib.spawn_async(null, argv, null,
+                         GLib.SpawnFlags.SEARCH_PATH,
+                         null, null);
+    } catch (err) {
+        if (err.code == GLib.SpawnError.G_SPAWN_ERROR_NOENT) {
+            err.message = _("Command not found");
+        } else {
+            // The exception from gjs contains an error string like:
+            //   Error invoking GLib.spawn_command_line_async: Failed to
+            //   execute child process "foo" (No such file or directory)
+            // We are only interested in the part in the parentheses. (And
+            // we can't pattern match the text, since it gets localized.)
+            err.message = err.message.replace(/.*\((.+)\)/, '$1');
+        }
+
+        throw err;
+    }
+}
+
+// trySpawnCommandLine:
+// @command_line: a command line
+//
+// Runs @command_line in the background. If launching @command_line
+// fails, this will throw an error.
+function trySpawnCommandLine(command_line) {
+    let success, argc, argv;
+
+    try {
+        [success, argc, argv] = GLib.shell_parse_argv(command_line);
+    } catch (err) {
+        // Replace "Error invoking GLib.shell_parse_argv: " with
+        // something nicer
+        err.message = err.message.replace(/[^:]*: /, _("Could not parse command:") + "\n");
+        throw err;
+    }
+
+    trySpawn(argv);
+}
+
+function _handleSpawnError(command, err) {
+    let title = _("Execution of '%s' failed:").format(command);
+    Main.notifyError(title, err.message);
+}
+
+// killall:
+// @processName: a process name
+//
+// Kills @processName. If no process with the given name is found,
+// this will fail silently.
+function killall(processName) {
+    try {
+        // pkill is more portable than killall, but on Linux at least
+        // it won't match if you pass more than 15 characters of the
+        // process name... However, if you use the '-f' flag to match
+        // the entire command line, it will work, but we have to be
+        // careful in that case that we can match
+        // '/usr/bin/processName' but not 'gedit processName.c' or
+        // whatever...
+
+        let argv = ['pkill', '-f', '^([^ ]*/)?' + processName + '($| )'];
+        GLib.spawn_sync(null, argv, null, GLib.SpawnFlags.SEARCH_PATH, null, null);
+        // It might be useful to return success/failure, but we'd need
+        // a wrapper around WIFEXITED and WEXITSTATUS. Since none of
+        // the current callers care, we don't bother.
+    } catch (e) {
+        logError(e, 'Failed to kill ' + processName);
+    }
+}
+
+// This was ported from network-manager-applet
+// Copyright 2007 - 2011 Red Hat, Inc.
+// Author: Dan Williams <dcbw@redhat.com>
+
+const _IGNORED_WORDS = [
+        'Semiconductor',
+        'Components',
+        'Corporation',
+        'Communications',
+        'Company',
+        'Corp.',
+        'Corp',
+        'Co.',
+        'Inc.',
+        'Inc',
+        'Incorporated',
+        'Ltd.',
+        'Limited.',
+        'Intel?',
+        'chipset',
+        'adapter',
+        '[hex]',
+        'NDIS',
+        'Module'
+];
+
+const _IGNORED_PHRASES = [
+        'Multiprotocol MAC/baseband processor',
+        'Wireless LAN Controller',
+        'Wireless LAN Adapter',
+        'Wireless Adapter',
+        'Network Connection',
+        'Wireless Cardbus Adapter',
+        'Wireless CardBus Adapter',
+        '54 Mbps Wireless PC Card',
+        'Wireless PC Card',
+        'Wireless PC',
+        'PC Card with XJACK(r) Antenna',
+        'Wireless cardbus',
+        'Wireless LAN PC Card',
+        'Technology Group Ltd.',
+        'Communication S.p.A.',
+        'Business Mobile Networks BV',
+        'Mobile Broadband Minicard Composite Device',
+        'Mobile Communications AB',
+        '(PC-Suite Mode)'
+];
+
+function fixupPCIDescription(desc) {
+    desc.replace(/[_,]/, ' ');
+
+    /* Attempt to shorten ID by ignoring certain phrases */
+    for (let i = 0; i < _IGNORED_PHRASES.length; i++) {
+        let item = _IGNORED_PHRASES[i];
+        let pos = desc.indexOf(item);
+        if (pos != -1) {
+            let before = desc.substring(0, pos);
+            let after = desc.substring(pos + item.length, desc.length);
+            desc = before + after;
+        }
+    }
+
+    /* Attmept to shorten ID by ignoring certain individual words */
+    let words = desc.split(' ');
+    let out = [ ];
+    for (let i = 0; i < words; i++) {
+        let item = words[i];
+
+        // skip empty items (that come out from consecutive spaces)
+        if (item.length == 0)
+            continue;
+
+        if (_IGNORED_WORDS.indexOf(item) == -1) {
+            out.push(item);
+        }
+    }
+
+    return out.join(' ');
+}
--- a/js/perf/core.js
+++ b/js/perf/core.js
@ -21,26 +21,77 @@ let METRICS = {
    overviewFpsSubsequent:
    { description: "Frames rate when going to the overview, second time",
      units: "frames / s" },
+    overviewFps5Windows:
+    { description: "Frames rate when going to the overview, 5 windows open",
+      units: "frames / s" },
+    overviewFps10Windows:
+    { description: "Frames rate when going to the overview, 10 windows open",
+      units: "frames / s" },
+    overviewFps5Maximized:
+    { description: "Frames rate when going to the overview, 5 maximized windows open",
+      units: "frames / s" },
+    overviewFps10Maximized:
+    { description: "Frames rate when going to the overview, 10 maximized windows open",
+      units: "frames / s" },
+    overviewFps5Alpha:
+    { description: "Frames rate when going to the overview, 5 alpha-transparent windows open",
+      units: "frames / s" },
+    overviewFps10Alpha:
+    { description: "Frames rate when going to the overview, 10 alpha-transparent windows open",
+      units: "frames / s" },
    usedAfterOverview:
    { description: "Malloc'ed bytes after the overview is shown once",
      units: "B" },
    leakedAfterOverview:
    { description: "Additional malloc'ed bytes the second time the overview is shown",
-      units: "B" }
+      units: "B" },
+    applicationsShowTimeFirst:
+    { description: "Time to switch to applications view, first time",
+      units: "us" },
+    applicationsShowTimeSubsequent:
+    { description: "Time to switch to applications view, second time",
+      units: "us"}
 };

+let WINDOW_CONFIGS = [
+    { width: 640, height: 480, alpha: false, maximized: false, count: 1,  metric: 'overviewFpsSubsequent' },
+    { width: 640, height: 480, alpha: false, maximized: false, count: 5,  metric: 'overviewFps5Windows'  },
+    { width: 640, height: 480, alpha: false, maximized: false, count: 10, metric: 'overviewFps10Windows'  },
+    { width: 640, height: 480, alpha: false, maximized: true,  count: 5,  metric: 'overviewFps5Maximized' },
+    { width: 640, height: 480, alpha: false, maximized: true,  count: 10, metric: 'overviewFps10Maximized' },
+    { width: 640, height: 480, alpha: true,  maximized: false, count: 5,  metric: 'overviewFps5Alpha' },
+    { width: 640, height: 480, alpha: true,  maximized: false, count: 10, metric: 'overviewFps10Alpha' }
+];
+
 function run() {
    Scripting.defineScriptEvent("overviewShowStart", "Starting to show the overview");
    Scripting.defineScriptEvent("overviewShowDone", "Overview finished showing");
    Scripting.defineScriptEvent("afterShowHide", "After a show/hide cycle for the overview");
+    Scripting.defineScriptEvent("applicationsShowStart", "Starting to switch to applications view");
+    Scripting.defineScriptEvent("applicationsShowDone", "Done switching to applications view");

    Main.overview.connect('shown', function() {
                              Scripting.scriptEvent('overviewShowDone');
                          });

    yield Scripting.sleep(1000);
-    yield Scripting.waitLeisure();
-    for (let i = 0; i < 2; i++) {
+
+    for (let i = 0; i < 2 * WINDOW_CONFIGS.length; i++) {
+        // We go to the overview twice for each configuration; the first time
+        // to calculate the mipmaps for the windows, the second time to get
+        // a clean set of numbers.
+        if ((i % 2) == 0) {
+            let config = WINDOW_CONFIGS[i / 2];
+            yield Scripting.destroyTestWindows();
+
+            for (let k = 0; k < config.count; k++)
+                yield Scripting.createTestWindow(config.width, config.height, config.alpha, config.maximized);
+
+            yield Scripting.waitTestWindows();
+            yield Scripting.sleep(1000);
+            yield Scripting.waitLeisure();
+        }
+
        Scripting.scriptEvent('overviewShowStart');
        Main.overview.show();

@ -53,6 +104,21 @@ function run() {
        Scripting.collectStatistics();
        Scripting.scriptEvent('afterShowHide');
    }
+
+    yield Scripting.destroyTestWindows();
+    yield Scripting.sleep(1000);
+
+    Main.overview.show();
+    yield Scripting.waitLeisure();
+
+    for (let i = 0; i < 2; i++) {
+        Scripting.scriptEvent('applicationsShowStart');
+        Main.overview.viewSelector.switchTab('applications');
+        yield Scripting.waitLeisure();
+        Scripting.scriptEvent('applicationsShowDone');
+        Main.overview.viewSelector.switchTab('windows');
+        yield Scripting.waitLeisure();
+    }
 }

 let showingOverview = false;
@ -64,6 +130,8 @@ let mallocUsedSize = 0;
 let overviewShowCount = 0;
 let firstOverviewUsedSize;
 let haveSwapComplete = false;
+let applicationsShowStart;
+let applicationsShowCount = 0;

 function script_overviewShowStart(time) {
    showingOverview = true;
@ -79,6 +147,18 @@ function script_overviewShowDone(time) {
    finishedShowingOverview = true;
 }

+function script_applicationsShowStart(time) {
+    applicationsShowStart = time;
+}
+
+function script_applicationsShowDone(time) {
+    applicationsShowCount++;
+    if (applicationsShowCount == 1)
+        METRICS.applicationsShowTimeFirst.value = time - applicationsShowStart;
+    else
+        METRICS.applicationsShowTimeSubsequent.value = time - applicationsShowStart;
+}
+
 function script_afterShowHide(time) {
    if (overviewShowCount == 1) {
        METRICS.usedAfterOverview.value = mallocUsedSize;
@ -113,9 +193,15 @@ function _frameDone(time) {
        if (overviewShowCount == 1) {
            METRICS.overviewLatencyFirst.value = overviewLatency;
            METRICS.overviewFpsFirst.value = fps;
-        } else {
+        } else if (overviewShowCount == 2) {
            METRICS.overviewLatencySubsequent.value = overviewLatency;
-            METRICS.overviewFpsSubsequent.value = fps;
+        }
+
+        // Other than overviewFpsFirst, we collect FPS metrics the second
+        // we show each window configuration. overviewShowCount is 1,2,3...
+        if (overviewShowCount % 2 == 0) {
+            let config = WINDOW_CONFIGS[(overviewShowCount / 2) - 1];
+            METRICS[config.metric].value = fps;
        }
    }
 }
--- a/js/prefs/clockPreferences.js
+++ b/js/prefs/clockPreferences.js
@ -1,97 +0,0 @@
-/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
-
-const Gio = imports.gi.Gio;
-const GLib = imports.gi.GLib;
-const Gtk = imports.gi.Gtk;
-
-const Lang = imports.lang;
-const Signals = imports.signals;
-
-const Gettext = imports.gettext;
-
-const FORMAT_KEY       = 'format';
-const SHOW_DATE_KEY    = 'show-date';
-const SHOW_SECONDS_KEY = 'show-seconds';
-
-
-function ClockPreferences(uiFile) {
-    this._init(uiFile);
-};
-
-ClockPreferences.prototype = {
-    _init: function(uiFile) {
-        let builder = new Gtk.Builder();
-        builder.add_from_file(uiFile);
-
-        this._dialog = builder.get_object('prefs-dialog');
-        this._dialog.connect('response', Lang.bind(this, this._onResponse));
-
-        this._12hrRadio = builder.get_object('12hr_radio');
-        this._24hrRadio = builder.get_object('24hr_radio');
-        this._dateCheck = builder.get_object('date_check');
-        this._secondsCheck = builder.get_object('seconds_check');
-
-        delete builder;
-
-        this._settings = new Gio.Settings({ schema: 'org.gnome.shell.clock' });
-        this._notifyId = this._settings.connect('changed',
-                                                Lang.bind(this,
-                                                          this._updateDialog));
-
-        this._12hrRadio.connect('toggled', Lang.bind(this,
-            function() {
-                let format = this._12hrRadio.active ? '12-hour' : '24-hour';
-                this._settings.set_string(FORMAT_KEY, format);
-            }));
-        this._dateCheck.connect('toggled', Lang.bind(this,
-            function() {
-                this._settings.set_boolean(SHOW_DATE_KEY,
-                                           this._dateCheck.active);
-            }));
-        this._secondsCheck.connect('toggled', Lang.bind(this,
-            function() {
-                this._settings.set_boolean(SHOW_SECONDS_KEY,
-                                           this._secondsCheck.active);
-            }));
-
-        this._updateDialog();
-    },
-
-    show: function() {
-        this._dialog.show_all();
-    },
-
-    _updateDialog: function() {
-        let format = this._settings.get_string(FORMAT_KEY);
-        this._12hrRadio.active = (format == "12-hour");
-        this._24hrRadio.active = (format == "24-hour");
-
-        this._dateCheck.active = this._settings.get_boolean(SHOW_DATE_KEY);
-        this._secondsCheck.active = this._settings.get_boolean(SHOW_SECONDS_KEY);
-    },
-
-    _onResponse: function() {
-        this._dialog.destroy();
-        this._settings.disconnect(this._notifyId);
-        this.emit('destroy');
-    }
-};
-Signals.addSignalMethods(ClockPreferences.prototype);
-
-function main(params) {
-    if ('progName' in params)
-        GLib.set_prgname(params['progName']);
-    if ('localeDir' in params)
-        Gettext.bindtextdomain('gnome-shell', params['localeDir']);
-
-    Gtk.init(null, null);
-
-    let clockPrefs = new ClockPreferences(params['uiFile']);
-    clockPrefs.connect('destroy',
-                       function() {
-                           Gtk.main_quit();
-                       });
-    clockPrefs.show();
-
-    Gtk.main();
-}
--- a/js/ui/altTab.js
+++ b/js/ui/altTab.js
@ -4,6 +4,7 @@ const Clutter = imports.gi.Clutter;
 const Gdk = imports.gi.Gdk;
 const Lang = imports.lang;
 const Mainloop = imports.mainloop;
+const Meta = imports.gi.Meta;
 const Shell = imports.gi.Shell;
 const Signals = imports.signals;
 const St = imports.gi.St;
@ -15,6 +16,8 @@ const POPUP_APPICON_SIZE = 96;
 const POPUP_SCROLL_TIME = 0.10; // seconds
 const POPUP_FADE_TIME = 0.1; // seconds

+const APP_ICON_HOVER_TIMEOUT = 200; // milliseconds
+
 const DISABLE_HOVER_TIMEOUT = 500; // milliseconds

 const THUMBNAIL_DEFAULT_SIZE = 256;
@ -34,7 +37,8 @@ function AltTabPopup() {
 AltTabPopup.prototype = {
    _init : function() {
        this.actor = new Shell.GenericContainer({ name: 'altTabPopup',
-                                                    reactive: true });
+                                                  reactive: true,
+                                                  visible: false });

        this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
        this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
@ -49,6 +53,8 @@ AltTabPopup.prototype = {
        this._thumbnailTimeoutId = 0;
        this._motionTimeoutId = 0;

+        this.thumbnailsVisible = false;
+
        // Initially disable hover so we ignore the enter-event if
        // the switcher appears underneath the current pointer location
        this._disableHover();
@ -81,7 +87,7 @@ AltTabPopup.prototype = {
        let [childMinHeight, childNaturalHeight] = this._appSwitcher.actor.get_preferred_height(primary.width - hPadding);
        let [childMinWidth, childNaturalWidth] = this._appSwitcher.actor.get_preferred_width(childNaturalHeight);
        childBox.x1 = Math.max(primary.x + leftPadding, primary.x + Math.floor((primary.width - childNaturalWidth) / 2));
-        childBox.x2 = Math.min(childBox.x1 + primary.width - hPadding, childBox.x1 + childNaturalWidth);
+        childBox.x2 = Math.min(primary.x + primary.width - hPadding, childBox.x1 + childNaturalWidth);
        childBox.y1 = primary.y + Math.floor((primary.height - childNaturalHeight) / 2);
        childBox.y2 = childBox.y1 + childNaturalHeight;
        this._appSwitcher.actor.allocate(childBox, flags);
@ -102,9 +108,7 @@ AltTabPopup.prototype = {
                childBox.x1 = Math.max(primary.x + leftPadding, childBox.x1 - offset - hPadding);
            }

-            let [found, spacing] = this.actor.get_theme_node().get_length('spacing', false);
-            if (!found)
-                spacing = 0;
+            let spacing = this.actor.get_theme_node().get_length('spacing');

            childBox.x2 = childBox.x1 +  childNaturalWidth;
            if (childBox.x2 > primary.x + primary.width - rightPadding)
@ -117,7 +121,7 @@ AltTabPopup.prototype = {
        }
    },

-    show : function(backward) {
+    show : function(backward, switch_group) {
        let tracker = Shell.WindowTracker.get_default();
        let apps = tracker.get_running_apps ('');

@ -128,13 +132,13 @@ AltTabPopup.prototype = {
            return false;
        this._haveModal = true;

-        this._keyPressEventId = global.stage.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
-        this._keyReleaseEventId = global.stage.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
+        this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
+        this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));

        this.actor.connect('button-press-event', Lang.bind(this, this._clickedOutside));
        this.actor.connect('scroll-event', Lang.bind(this, this._onScroll));

-        this._appSwitcher = new AppSwitcher(apps);
+        this._appSwitcher = new AppSwitcher(apps, this);
        this.actor.add_actor(this._appSwitcher.actor);
        this._appSwitcher.connect('item-activated', Lang.bind(this, this._appActivated));
        this._appSwitcher.connect('item-entered', Lang.bind(this, this._appEntered));
@ -142,7 +146,16 @@ AltTabPopup.prototype = {
        this._appIcons = this._appSwitcher.icons;

        // Make the initial selection
-        if (this._appIcons.length == 1) {
+        if (switch_group) {
+            if (backward) {
+                this._select(0, this._appIcons[0].cachedWindows.length - 1);
+            } else {
+                if (this._appIcons[0].cachedWindows.length > 1)
+                    this._select(0, 1);
+                else
+                    this._select(0, 0);
+            }
+        } else if (this._appIcons.length == 1) {
            if (!backward && this._appIcons[0].cachedWindows.length > 1) {
                // For compatibility with the multi-app case below
                this._select(0, 1, true);
@ -214,41 +227,38 @@ AltTabPopup.prototype = {

    _keyPressEvent : function(actor, event) {
        let keysym = event.get_key_symbol();
-        let shift = (Shell.get_event_state(event) & Clutter.ModifierType.SHIFT_MASK);
-        // X allows servers to represent Shift+Tab in two different ways
-        if (shift && keysym == Clutter.Tab)
-            keysym = Clutter.ISO_Left_Tab;
+        let event_state = Shell.get_event_state(event);
+        let backwards = event_state & Clutter.ModifierType.SHIFT_MASK;
+        let action = global.screen.get_display().get_keybinding_action(event.get_key_code(), event_state);

        this._disableHover();

-        if (keysym == Clutter.grave)
-            this._select(this._currentApp, this._nextWindow());
-        else if (keysym == Clutter.asciitilde)
-            this._select(this._currentApp, this._previousWindow());
+        if (action == Meta.KeyBindingAction.SWITCH_GROUP)
+            this._select(this._currentApp, backwards ? this._previousWindow() : this._nextWindow());
        else if (keysym == Clutter.Escape)
            this.destroy();
        else if (this._thumbnailsFocused) {
-            if (keysym == Clutter.Tab) {
-                if (this._currentWindow == this._appIcons[this._currentApp].cachedWindows.length - 1)
-                    this._select(this._nextApp());
-                else
-                    this._select(this._currentApp, this._nextWindow());
-            } else if (keysym == Clutter.ISO_Left_Tab) {
-                if (this._currentWindow == 0 || this._currentWindow == -1)
-                    this._select(this._previousApp());
-                else
-                    this._select(this._currentApp, this._previousWindow());
-            } else if (keysym == Clutter.Left)
+            if (action == Meta.KeyBindingAction.SWITCH_WINDOWS)
+                if (backwards) {
+                    if (this._currentWindow == 0 || this._currentWindow == -1)
+                        this._select(this._previousApp());
+                    else
+                        this._select(this._currentApp, this._previousWindow());
+                } else {
+                    if (this._currentWindow == this._appIcons[this._currentApp].cachedWindows.length - 1)
+                        this._select(this._nextApp());
+                    else
+                        this._select(this._currentApp, this._nextWindow());
+                }
+            else if (keysym == Clutter.Left)
                this._select(this._currentApp, this._previousWindow());
            else if (keysym == Clutter.Right)
                this._select(this._currentApp, this._nextWindow());
            else if (keysym == Clutter.Up)
                this._select(this._currentApp, null, true);
        } else {
-            if (keysym == Clutter.Tab)
-                this._select(this._nextApp());
-            else if (keysym == Clutter.ISO_Left_Tab)
-                this._select(this._previousApp());
+            if (action == Meta.KeyBindingAction.SWITCH_WINDOWS)
+                this._select(backwards ? this._previousApp() : this._nextApp());
            else if (keysym == Clutter.Left)
                this._select(this._previousApp());
            else if (keysym == Clutter.Right)
@ -366,30 +376,35 @@ AltTabPopup.prototype = {
        this.destroy();
    },

+    _popModal: function() {
+        if (this._haveModal) {
+            Main.popModal(this.actor);
+            this._haveModal = false;
+        }
+    },
+
    destroy : function() {
-        Tweener.addTween(this.actor,
-                         { opacity: 0,
-                           time: POPUP_FADE_TIME,
-                           transition: 'easeOutQuad',
-                           onComplete: Lang.bind(this,
-                               function() {
-                                   this.actor.destroy();
-                               })
-                         });
+        this._popModal();
+        if (this.actor.visible) {
+            Tweener.addTween(this.actor,
+                             { opacity: 0,
+                               time: POPUP_FADE_TIME,
+                               transition: 'easeOutQuad',
+                               onComplete: Lang.bind(this,
+                                   function() {
+                                       this.actor.destroy();
+                                   })
+                             });
+        } else
+            this.actor.destroy();
    },

    _onDestroy : function() {
-        if (this._haveModal)
-            Main.popModal(this.actor);
+        this._popModal();

        if (this._thumbnails)
            this._destroyThumbnails();

-        if (this._keyPressEventId)
-            global.stage.disconnect(this._keyPressEventId);
-        if (this._keyReleaseEventId)
-            global.stage.disconnect(this._keyReleaseEventId);
-
        if (this._motionTimeoutId != 0)
            Mainloop.source_remove(this._motionTimeoutId);
        if (this._thumbnailTimeoutId != 0)
@ -460,11 +475,15 @@ AltTabPopup.prototype = {
    },

    _destroyThumbnails : function() {
-        Tweener.addTween(this._thumbnails.actor,
+        let thumbnailsActor = this._thumbnails.actor;
+        Tweener.addTween(thumbnailsActor,
                         { opacity: 0,
                           time: THUMBNAIL_FADE_TIME,
                           transition: 'easeOutQuad',
-                           onComplete: function() { this.destroy(); }
+                           onComplete: Lang.bind(this, function() {
+                                                            thumbnailsActor.destroy();
+                                                            this.thumbnailsVisible = false;
+                                                        })
                         });
        this._thumbnails = null;
    },
@ -480,7 +499,8 @@ AltTabPopup.prototype = {
        Tweener.addTween(this._thumbnails.actor,
                         { opacity: 255,
                           time: THUMBNAIL_FADE_TIME,
-                           transition: 'easeOutQuad'
+                           transition: 'easeOutQuad',
+                           onComplete: Lang.bind(this, function () { this.thumbnailsVisible = true; })
                         });
    }
 };
@ -501,8 +521,7 @@ SwitcherList.prototype = {
        this._list = new Shell.GenericContainer({ style_class: 'switcher-list-item-container' });
        this._list.spacing = 0;
        this._list.connect('style-changed', Lang.bind(this, function() {
-                                                        let [found, spacing] = this._list.get_theme_node().get_length('spacing', false);
-                                                        this._list.spacing = (found) ? spacing : 0;
+                                                        this._list.spacing = this._list.get_theme_node().get_length('spacing');
                                                     }));

        this._list.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
@ -522,16 +541,11 @@ SwitcherList.prototype = {
        this._leftArrow = new St.DrawingArea({ style_class: 'switcher-arrow',
                                               pseudo_class: 'highlighted' });
        this._leftArrow.connect('repaint', Lang.bind(this,
-                                            function (area) {
-                                                Shell.draw_box_pointer(area, Shell.PointerDirection.LEFT);
-                                            }));
-
+            function() { _drawArrow(this._leftArrow, St.Side.LEFT); }));
        this._rightArrow = new St.DrawingArea({ style_class: 'switcher-arrow',
                                                pseudo_class: 'highlighted' });
        this._rightArrow.connect('repaint', Lang.bind(this,
-                                            function (area) {
-                                                Shell.draw_box_pointer(area, Shell.PointerDirection.RIGHT);
-                                            }));
+            function() { _drawArrow(this._rightArrow, St.Side.RIGHT); }));

        this.actor.add_actor(this._leftArrow);
        this.actor.add_actor(this._rightArrow);
@ -588,23 +602,27 @@ SwitcherList.prototype = {
    },

    addItem : function(item) {
-        let bbox = new St.Clickable({ style_class: 'item-box',
-                                      reactive: true });
+        let bbox = new St.Button({ style_class: 'item-box',
+                                   reactive: true });

        bbox.set_child(item);
        this._list.add_actor(bbox);

        let n = this._items.length;
-        bbox.connect('clicked', Lang.bind(this, function () {
-                                               this._itemActivated(n);
-                                          }));
-        bbox.connect('enter-event', Lang.bind(this, function () {
-                                                  this._itemEntered(n);
-                                              }));
+        bbox.connect('clicked', Lang.bind(this, function() { this._onItemClicked(n); }));
+        bbox.connect('enter-event', Lang.bind(this, function() { this._onItemEnter(n); }));

        this._items.push(bbox);
    },

+    _onItemClicked: function (index) {
+        this._itemActivated(index);
+    },
+
+    _onItemEnter: function (index) {
+        this._itemEntered(index);
+    },
+
    addSeparator: function () {
        let box = new St.Bin({ style_class: 'separator' });
        this._separator = box;
@ -612,16 +630,18 @@ SwitcherList.prototype = {
    },

    highlight: function(index, justOutline) {
-        if (this._highlighted != -1)
-            this._items[this._highlighted].style_class = 'item-box';
+        if (this._highlighted != -1) {
+            this._items[this._highlighted].remove_style_pseudo_class('outlined');
+            this._items[this._highlighted].remove_style_pseudo_class('selected');
+        }

        this._highlighted = index;

        if (this._highlighted != -1) {
            if (justOutline)
-                this._items[this._highlighted].style_class = 'outlined-item-box';
+                this._items[this._highlighted].add_style_pseudo_class('outlined');
            else
-                this._items[this._highlighted].style_class = 'selected-item-box';
+                this._items[this._highlighted].add_style_pseudo_class('selected');
        }

        let monitor = global.get_primary_monitor();
@ -807,7 +827,7 @@ AppIcon.prototype = {
        this.actor = new St.BoxLayout({ style_class: 'alt-tab-app',
                                         vertical: true });
        this.icon = null;
-        this._iconBin = new St.Bin();
+        this._iconBin = new St.Bin({ x_fill: true, y_fill: true });

        this.actor.add(this._iconBin, { x_fill: false, y_fill: false } );
        this.label = new St.Label({ text: this.app.get_name() });
@ -821,14 +841,14 @@ AppIcon.prototype = {
    }
 };

-function AppSwitcher(apps) {
-    this._init(apps);
+function AppSwitcher(apps, altTabPopup) {
+    this._init(apps, altTabPopup);
 }

 AppSwitcher.prototype = {
    __proto__ : SwitcherList.prototype,

-    _init : function(apps) {
+    _init : function(apps, altTabPopup) {
        SwitcherList.prototype._init.call(this, true);

        // Construct the AppIcons, sort by time, add to the popup
@ -860,6 +880,8 @@ AppSwitcher.prototype = {

        this._curApp = -1;
        this._iconSize = 0;
+        this._altTabPopup = altTabPopup;
+        this._mouseTimeOutId = 0;
    },

    _getPreferredHeight: function (actor, forWidth, alloc) {
@ -867,17 +889,19 @@ AppSwitcher.prototype = {
        while(this._items.length > 1 && this._items[j].style_class != 'item-box') {
                j++;
        }
-        let iconPadding = this._items[j].get_theme_node().get_horizontal_padding();
+        let themeNode = this._items[j].get_theme_node();
+        let iconPadding = themeNode.get_horizontal_padding();
+        let iconBorder = themeNode.get_border_width(St.Side.LEFT) + themeNode.get_border_width(St.Side.RIGHT);
        let [iconMinHeight, iconNaturalHeight] = this.icons[j].label.get_preferred_height(-1);
-        let iconSpacing = iconNaturalHeight + iconPadding;
+        let iconSpacing = iconNaturalHeight + iconPadding + iconBorder;
        let totalSpacing = this._list.spacing * (this._items.length - 1);
        if (this._separator)
           totalSpacing += this._separator.width + this._list.spacing;

        // We just assume the whole screen here due to weirdness happing with the passed width
-        let focus = global.get_focus_monitor();
+        let primary = global.get_primary_monitor();
        let parentPadding = this.actor.get_parent().get_theme_node().get_horizontal_padding();
-        let availWidth = focus.width - parentPadding - this.actor.get_theme_node().get_horizontal_padding();
+        let availWidth = primary.width - parentPadding - this.actor.get_theme_node().get_horizontal_padding();
        let height = 0;

        for(let i =  0; i < iconSizes.length; i++) {
@ -922,6 +946,29 @@ AppSwitcher.prototype = {
        }
    },

+    // We override SwitcherList's _onItemEnter method to delay
+    // activation when the thumbnail list is open
+    _onItemEnter: function (index) {
+        if (this._mouseTimeOutId != 0)
+            Mainloop.source_remove(this._mouseTimeOutId);
+        if (this._altTabPopup.thumbnailsVisible) {
+            this._mouseTimeOutId = Mainloop.timeout_add(APP_ICON_HOVER_TIMEOUT,
+                                                        Lang.bind(this, function () {
+                                                                            this._enterItem(index);
+                                                                            this._mouseTimeOutId = 0;
+                                                                            return false;
+                                                        }));
+        } else
+           this._itemEntered(index);
+    },
+
+    _enterItem: function(index) {
+        let [x, y, mask] = global.get_pointer();
+        let pickedActor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y);
+        if (this._items[index].contains(pickedActor))
+            this._itemEntered(index);
+    },
+
    // We override SwitcherList's highlight() method to also deal with
    // the AppSwitcher->ThumbnailList arrows. Apps with only 1 window
    // will hide their arrows by default, but show them when their
@ -954,10 +1001,7 @@ AppSwitcher.prototype = {

        let n = this._arrows.length;
        let arrow = new St.DrawingArea({ style_class: 'switcher-arrow' });
-        arrow.connect('repaint', Lang.bind(this,
-            function (area) {
-                Shell.draw_box_pointer(area, Shell.PointerDirection.DOWN);
-            }));
+        arrow.connect('repaint', function() { _drawArrow(arrow, St.Side.BOTTOM); });
        this._list.add_actor(arrow);
        this._arrows.push(arrow);

@ -1035,9 +1079,7 @@ ThumbnailList.prototype = {
        let totalPadding = this._items[0].get_theme_node().get_horizontal_padding() + this._items[0].get_theme_node().get_vertical_padding();
        totalPadding += this.actor.get_theme_node().get_horizontal_padding() + this.actor.get_theme_node().get_vertical_padding();
        let [labelMinHeight, labelNaturalHeight] = this._labels[0].get_preferred_height(-1);
-        let [found, spacing] = this._items[0].child.get_theme_node().get_length('spacing', false);
-        if (!found)
-            spacing = 0;
+        let spacing = this._items[0].child.get_theme_node().get_length('spacing');

        availHeight = Math.min(availHeight - labelNaturalHeight - totalPadding - spacing, THUMBNAIL_DEFAULT_SIZE);
        let binHeight = availHeight + this._items[0].get_theme_node().get_vertical_padding() + this.actor.get_theme_node().get_vertical_padding() - spacing;
@ -1045,6 +1087,9 @@ ThumbnailList.prototype = {

        for (let i = 0; i < this._thumbnailBins.length; i++) {
            let mutterWindow = this._windows[i].get_compositor_private();
+            if (!mutterWindow)
+                continue;
+
            let windowTexture = mutterWindow.get_texture ();
            let [width, height] = windowTexture.get_size();
            let scale = Math.min(1.0, THUMBNAIL_DEFAULT_SIZE / width, availHeight / height);
@ -1062,3 +1107,46 @@ ThumbnailList.prototype = {
        this._thumbnailBins = new Array();
    }
 };
+
+function _drawArrow(area, side) {
+    let themeNode = area.get_theme_node();
+    let borderColor = themeNode.get_border_color(side);
+    let bodyColor = themeNode.get_foreground_color();
+
+    let [width, height] = area.get_surface_size ();
+    let cr = area.get_context();
+
+    cr.setLineWidth(1.0);
+    Clutter.cairo_set_source_color(cr, borderColor);
+
+    switch (side) {
+    case St.Side.TOP:
+        cr.moveTo(0, height);
+        cr.lineTo(Math.floor(width * 0.5), 0);
+        cr.lineTo(width, height);
+        break;
+
+    case St.Side.BOTTOM:
+        cr.moveTo(width, 0);
+        cr.lineTo(Math.floor(width * 0.5), height);
+        cr.lineTo(0, 0);
+        break;
+
+    case St.Side.LEFT:
+        cr.moveTo(width, height);
+        cr.lineTo(0, Math.floor(height * 0.5));
+        cr.lineTo(width, 0);
+        break;
+
+    case St.Side.RIGHT:
+        cr.moveTo(0, 0);
+        cr.lineTo(width, Math.floor(height * 0.5));
+        cr.lineTo(0, height);
+        break;
+    }
+
+    cr.strokePreserve();
+
+    Clutter.cairo_set_source_color(cr, bodyColor);
+    cr.fill();
+}
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@ -1,6 +1,7 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

 const Clutter = imports.gi.Clutter;
+const GLib = imports.gi.GLib;
 const Gtk = imports.gi.Gtk;
 const Shell = imports.gi.Shell;
 const Lang = imports.lang;
@ -21,9 +22,8 @@ const Tweener = imports.ui.tweener;
 const Workspace = imports.ui.workspace;
 const Params = imports.misc.params;

-const WELL_MAX_COLUMNS = 16;
-const WELL_MAX_SEARCH_ROWS = 1;
 const MENU_POPUP_TIMEOUT = 600;
+const SCROLL_TIME = 0.1;

 function AlphabeticalView() {
    this._init();
@ -31,10 +31,32 @@ function AlphabeticalView() {

 AlphabeticalView.prototype = {
    _init: function() {
-        this.actor = new St.BoxLayout({ vertical: true });
-        this._grid = new IconGrid.IconGrid();
+        this._grid = new IconGrid.IconGrid({ xAlign: St.Align.START });
        this._appSystem = Shell.AppSystem.get_default();
-        this.actor.add(this._grid.actor, { y_align: St.Align.START, expand: true });
+
+        this._filterApp = null;
+
+        let box = new St.BoxLayout({ vertical: true });
+        box.add(this._grid.actor, { y_align: St.Align.START, expand: true });
+
+        this.actor = new St.ScrollView({ x_fill: true,
+                                         y_fill: false,
+                                         y_align: St.Align.START,
+                                         vfade: true });
+        this.actor.add_actor(box);
+        this.actor.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
+        this.actor.connect('notify::mapped', Lang.bind(this,
+            function() {
+                if (!this.actor.mapped)
+                    return;
+
+                let adjustment = this.actor.vscroll.adjustment;
+                let direction = Overview.SwipeScrollDirection.VERTICAL;
+                Main.overview.setScrollAdjustment(adjustment, direction);
+
+                // Reset scroll on mapping
+                adjustment.value = 0;
+            }));
    },

    _removeAll: function() {
@ -42,20 +64,51 @@ AlphabeticalView.prototype = {
        this._apps = [];
    },

-    _addApp: function(app) {
-        let appIcon = new AppWellIcon(this._appSystem.get_app(app.get_id()));
-        appIcon.connect('launching', Lang.bind(this, function() {
-            this.emit('launching');
-        }));
-        appIcon._draggable.connect('drag-begin', Lang.bind(this, function() {
-            this.emit('drag-begin');
-        }));
+    _addApp: function(appInfo) {
+        let appIcon = new AppWellIcon(this._appSystem.get_app(appInfo.get_id()));

        this._grid.addItem(appIcon.actor);
+        appIcon.actor.connect('key-focus-in', Lang.bind(this, this._ensureIconVisible));
+
+        appIcon._appInfo = appInfo;
+        if (this._filterApp && !this._filterApp(appInfo))
+            appIcon.actor.hide();

        this._apps.push(appIcon);
    },

+    _ensureIconVisible: function(icon) {
+        let adjustment = this.actor.vscroll.adjustment;
+        let [value, lower, upper, stepIncrement, pageIncrement, pageSize] = adjustment.get_values();
+
+        let offset = 0;
+        let vfade = this.actor.get_effect("vfade");
+        if (vfade)
+            offset = vfade.fade_offset;
+
+        // If this gets called as part of a right-click, the actor
+        // will be needs_allocation, and so "icon.y" would return 0
+        let box = icon.get_allocation_box();
+
+        if (box.y1 < value + offset)
+            value = Math.max(0, box.y1 - offset);
+        else if (box.y2 > value + pageSize - offset)
+            value = Math.min(upper, box.y2 + offset - pageSize);
+        else
+            return;
+
+        Tweener.addTween(adjustment,
+                         { value: value,
+                           time: SCROLL_TIME,
+                           transition: 'easeOutQuad' });
+    },
+
+    setFilter: function(filter) {
+        this._filterApp = filter;
+        for (let i = 0; i < this._apps.length; i++)
+            this._apps[i].actor.visible = filter(this._apps[i]._appInfo);
+    },
+
    refresh: function(apps) {
        let ids = [];
        for (let i in apps)
@ -72,8 +125,6 @@ AlphabeticalView.prototype = {
    }
 };

-Signals.addSignalMethods(AlphabeticalView.prototype);
-
 function ViewByCategories() {
    this._init();
 }
@ -81,59 +132,121 @@ function ViewByCategories() {
 ViewByCategories.prototype = {
    _init: function() {
        this._appSystem = Shell.AppSystem.get_default();
-        this.actor = new St.BoxLayout({ vertical: true });
+        this.actor = new St.BoxLayout({ style_class: 'all-app' });
        this.actor._delegate = this;
+
+        this._view = new AlphabeticalView();
+
+        // categories can be -1 (the All view) or 0...n-1, where n
+        // is the number of sections
+        // -2 is a flag to indicate that nothing is selected
+        // (used only before the actor is mapped the first time)
+        this._currentCategory = -2;
+        this._filters = new St.BoxLayout({ vertical: true, reactive: true });
+        this._filters.connect('scroll-event', Lang.bind(this, this._scrollFilter));
+
+        this.actor.add(this._view.actor, { expand: true, x_fill: true, y_fill: true });
+        this.actor.add(this._filters, { expand: false, y_fill: false, y_align: St.Align.START });
+
+        // Always select the "All" filter when switching to the app view
+        this.actor.connect('notify::mapped', Lang.bind(this,
+            function() {
+                if (this.actor.mapped && this._allFilter)
+                    this._selectCategory(-1);
+            }));
+
        this._sections = [];
+
+        // We need a dummy actor to catch the keyboard focus if the
+        // user Ctrl-Alt-Tabs here before the deferred work creates
+        // our real contents
+        this._focusDummy = new St.Bin({ can_focus: true });
+        this.actor.add(this._focusDummy);
    },

-    _updateSections: function(apps) {
-        this._removeAll();
+    _scrollFilter: function(actor, event) {
+        let direction = event.get_scroll_direction();
+        if (direction == Clutter.ScrollDirection.UP)
+            this._selectCategory(Math.max(this._currentCategory - 1, -1))
+        else if (direction == Clutter.ScrollDirection.DOWN)
+            this._selectCategory(Math.min(this._currentCategory + 1, this._sections.length - 1));
+    },

-        let sections = this._appSystem.get_sections();
-        if (!sections)
+    _selectCategory: function(num) {
+        if (this._currentCategory == num) // nothing to do
            return;
-        for (let i = 0; i < sections.length; i++) {
-            if (i) {
-                let actor = new St.Bin({ style_class: 'app-section-divider' });
-                let divider = new St.Bin({ style_class: 'app-section-divider-container',
-                                           child: actor,
-                                           x_fill: true });

-                this.actor.add(divider, { y_fill: false, expand: true });
-            }
-            let _apps = apps.filter(function(app) {
-                return app.get_section() == sections[i];
-            });
-            this._sections[i] = { view: new AlphabeticalView(),
-                                  apps: _apps,
-                                  name: sections[i] };
-            this._sections[i].view.connect('launching', Lang.bind(this, function() {
-                this.emit('launching');
-            }));
-            this._sections[i].view.connect('drag-begin', Lang.bind(this, function() {
-                this.emit('drag-begin');
-            }));
-            this.actor.add(this._sections[i].view.actor, { y_align: St.Align.START, expand: true });
+        this._currentCategory = num;
+
+        if (num != -1)
+            this._allFilter.remove_style_pseudo_class('selected');
+        else
+            this._allFilter.add_style_pseudo_class('selected');
+
+        this._view.setFilter(Lang.bind(this, function(app) {
+            if (num == -1)
+                return true;
+            return this._sections[num].name == app.get_section();
+        }));
+
+        for (let i = 0; i < this._sections.length; i++) {
+            if (i == num)
+                this._sections[i].filterActor.add_style_pseudo_class('selected');
+            else
+                this._sections[i].filterActor.remove_style_pseudo_class('selected');
        }
    },

+    _addFilter: function(name, num) {
+        let button = new St.Button({ label: GLib.markup_escape_text (name, -1),
+                                     style_class: 'app-filter',
+                                     x_align: St.Align.START,
+                                     can_focus: true });
+        this._filters.add(button, { expand: true, x_fill: true, y_fill: false });
+        button.connect('clicked', Lang.bind(this, function() {
+            this._selectCategory(num);
+        }));
+
+        if (num != -1)
+            this._sections[num] = { filterActor: button,
+                                    name: name };
+        else
+            this._allFilter = button;
+    },
+
    _removeAll: function() {
-        this.actor.destroy_children();
-        this._sections.forEach(function (section) { section.view.disconnectAll(); });
-
        this._sections = [];
+        this._filters.destroy_children();
    },

    refresh: function(apps) {
-        this._updateSections(apps);
-        for (let i = 0; i < this._sections.length; i++) {
-            this._sections[i].view.refresh(this._sections[i].apps);
+        this._removeAll();
+
+        let sections = this._appSystem.get_sections();
+        this._apps = apps;
+        this._view.refresh(apps);
+
+        /* Translators: Filter to display all applications */
+        this._addFilter(_("All"), -1);
+
+        if (!sections)
+            return;
+
+        for (let i = 0; i < sections.length; i++)
+            this._addFilter(sections[i], i);
+
+        this._selectCategory(-1);
+
+        if (this._focusDummy) {
+            let focused = this._focusDummy.has_key_focus();
+            this._focusDummy.destroy();
+            this._focusDummy = null;
+            if (focused)
+                this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
        }
    }
 };

-Signals.addSignalMethods(ViewByCategories.prototype);
-
 /* This class represents a display containing a collection of application items.
 * The applications are sorted based on their name.
 */
@ -148,25 +261,8 @@ AllAppDisplay.prototype = {
            Main.queueDeferredWork(this._workId);
        }));

-        let bin = new St.BoxLayout({ style_class: 'all-app-controls-panel',
-                                     reactive: true });
-        this.actor = new St.BoxLayout({ style_class: 'all-app', vertical: true });
-        this.actor.hide();
-
-        let view = new St.ScrollView({ x_fill: true,
-                                       y_fill: false,
-                                       style_class: 'all-app-scroll-view',
-                                       vshadows: true });
-        this._scrollView = view;
-        this.actor.add(bin);
-        this.actor.add(view, { expand: true, y_fill: false, y_align: St.Align.START });
-
        this._appView = new ViewByCategories();
-        this._appView.connect('launching', Lang.bind(this, this.close));
-        this._appView.connect('drag-begin', Lang.bind(this, this.close));
-        this._scrollView.add_actor(this._appView.actor);
-
-        this._scrollView.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
+        this.actor = new St.Bin({ child: this._appView.actor, x_fill: true, y_fill: true });

        this._workId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplay));
    },
@ -177,99 +273,6 @@ AllAppDisplay.prototype = {
        });

        this._appView.refresh(apps);
-    },
-
-    toggle: function() {
-        if (this.actor.visible) {
-            Tweener.addTween(this.actor,
-                             { opacity: 0,
-                               time: Overview.PANE_FADE_TIME,
-                               transition: 'easeOutQuad',
-                               onComplete: Lang.bind(this,
-                                   function() {
-                                       this.actor.hide();
-                                       this.emit('open-state-changed',
-                                                 this.actor.visible);
-                                   })
-                             });
-        } else {
-            this.actor.show();
-            this.emit('open-state-changed', this.actor.visible);
-            this.actor.opacity = 0;
-            Tweener.addTween(this.actor,
-                             { opacity: 255,
-                               time: Overview.PANE_FADE_TIME,
-                               transition: 'easeOutQuad'
-                             });
-        }
-    },
-
-    close: function() {
-        if (!this.actor.visible)
-            return;
-        this.toggle();
-    }
-};
-
-Signals.addSignalMethods(AllAppDisplay.prototype);
-
-function AppSearchResultDisplay(provider) {
-    this._init(provider);
-}
-
-AppSearchResultDisplay.prototype = {
-    __proto__: Search.SearchResultDisplay.prototype,
-
-    _init: function (provider) {
-        Search.SearchResultDisplay.prototype._init.call(this, provider);
-        this._grid = new IconGrid.IconGrid({ rowLimit: WELL_MAX_SEARCH_ROWS });
-        this.actor = new St.Bin({ name: 'dashAppSearchResults',
-                                  x_align: St.Align.START });
-        this.actor.set_child(this._grid.actor);
-    },
-
-    renderResults: function(results, terms) {
-        let appSys = Shell.AppSystem.get_default();
-        let maxItems = WELL_MAX_SEARCH_ROWS * WELL_MAX_COLUMNS;
-        for (let i = 0; i < results.length && i < maxItems; i++) {
-            let result = results[i];
-            let app = appSys.get_app(result);
-            let display = new AppWellIcon(app);
-            this._grid.addItem(display.actor);
-        }
-    },
-
-    clear: function () {
-        this._grid.removeAll();
-        this.selectionIndex = -1;
-    },
-
-    getVisibleResultCount: function() {
-        return this._grid.visibleItemsCount();
-    },
-
-    selectIndex: function (index) {
-        let nVisible = this.getVisibleResultCount();
-        if (this.selectionIndex >= 0) {
-            let prevActor = this._grid.getItemAtIndex(this.selectionIndex);
-            prevActor._delegate.setSelected(false);
-        }
-        this.selectionIndex = -1;
-        if (index >= nVisible)
-            return false;
-        else if (index < 0)
-            return false;
-        let targetActor = this._grid.getItemAtIndex(index);
-        targetActor._delegate.setSelected(true);
-        this.selectionIndex = index;
-        return true;
-    },
-
-    activateSelected: function() {
-        if (this.selectionIndex < 0)
-            return;
-        let targetActor = this._grid.getItemAtIndex(this.selectionIndex);
-        this.provider.activateResult(targetActor._delegate.app.get_id());
    }
 };

@ -291,17 +294,26 @@ BaseAppSearchProvider.prototype = {
            return null;
        return { 'id': resultId,
                 'name': app.get_name(),
-                 'icon': app.create_icon_texture(Search.RESULT_ICON_SIZE)};
+                 'createIcon': function(size) {
+                                   return app.create_icon_texture(size);
+                               }
+               };
    },

-    activateResult: function(id) {
+    activateResult: function(id, params) {
+        params = Params.parse(params, { workspace: null,
+                                        timestamp: null });
+
        let app = this._appSys.get_app(id);
-        app.activate();
+        app.activate(params.workspace ? params.workspace.index() : -1);
    },

-    dragActivateResult: function(id) {
+    dragActivateResult: function(id, params) {
+        params = Params.parse(params, { workspace: null,
+                                        timestamp: null });
+
        let app = this._appSys.get_app(id);
-        app.open_new_window();
+        app.open_new_window(params.workspace ? params.workspace.get_index() : -1);
    }
 };

@ -324,16 +336,10 @@ AppSearchProvider.prototype = {
        return this._appSys.subsearch(false, previousResults, terms);
    },

-    createResultContainerActor: function () {
-        return new AppSearchResultDisplay(this);
-    },
-
    createResultActor: function (resultMeta, terms) {
-        return new AppIcon(resultMeta.id);
-    },
-
-    expandSearch: function(terms) {
-        log('TODO expand search');
+        let app = this._appSys.get_app(resultMeta['id']);
+        let icon = new AppWellIcon(app);
+        return icon.actor;
    }
 };

@ -345,7 +351,7 @@ PrefsSearchProvider.prototype = {
    __proto__: BaseAppSearchProvider.prototype,

    _init: function() {
-        BaseAppSearchProvider.prototype._init.call(this, _("PREFERENCES"));
+        BaseAppSearchProvider.prototype._init.call(this, _("SETTINGS"));
    },

    getInitialResultSet: function(terms) {
@ -354,28 +360,24 @@ PrefsSearchProvider.prototype = {

    getSubsearchResultSet: function(previousResults, terms) {
        return this._appSys.subsearch(true, previousResults, terms);
-    },
-
-    expandSearch: function(terms) {
-        let controlCenter = this._appSys.load_from_desktop_file('gnomecc.desktop');
-        controlCenter.launch();
-        Main.overview.hide();
    }
 };

-function AppIcon(app) {
-    this._init(app);
+function AppIcon(app, params) {
+    this._init(app, params);
 }

 AppIcon.prototype = {
    __proto__:  IconGrid.BaseIcon.prototype,

-    _init : function(app) {
+    _init : function(app, params) {
        this.app = app;

        let label = this.app.get_name();

-        IconGrid.BaseIcon.prototype._init.call(this, label);
+        IconGrid.BaseIcon.prototype._init.call(this,
+                                               label,
+                                               params);
    },

    createIcon: function(iconSize) {
@ -383,23 +385,27 @@ AppIcon.prototype = {
    }
 };

-function AppWellIcon(app) {
-    this._init(app);
+function AppWellIcon(app, iconParams) {
+    this._init(app, iconParams);
 }

 AppWellIcon.prototype = {
-    _init : function(app) {
+    _init : function(app, iconParams) {
        this.app = app;
-        this.actor = new St.Clickable({ style_class: 'app-well-app',
-                                         reactive: true,
-                                         x_fill: true,
-                                         y_fill: true });
+        this.actor = new St.Button({ style_class: 'app-well-app',
+                                     reactive: true,
+                                     button_mask: St.ButtonMask.ONE | St.ButtonMask.TWO,
+                                     can_focus: true,
+                                     x_fill: true,
+                                     y_fill: true });
        this.actor._delegate = this;

-        this._icon = new AppIcon(app);
-        this.actor.set_child(this._icon.actor);
+        this.icon = new AppIcon(app, iconParams);
+        this.actor.set_child(this.icon.actor);

+        this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
        this.actor.connect('clicked', Lang.bind(this, this._onClicked));
+        this.actor.connect('popup-menu', Lang.bind(this, this._onKeyboardPopupMenu));

        this._menu = null;
        this._menuManager = new PopupMenu.PopupMenuManager(this);
@ -410,12 +416,15 @@ AppWellIcon.prototype = {
                this._removeMenuTimeout();
                Main.overview.beginItemDrag(this);
            }));
+        this._draggable.connect('drag-cancelled', Lang.bind(this,
+            function () {
+                Main.overview.cancelledItemDrag(this);
+            }));
        this._draggable.connect('drag-end', Lang.bind(this,
            function () {
               Main.overview.endItemDrag(this);
            }));

-        this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
        this.actor.connect('destroy', Lang.bind(this, this._onDestroy));

        this._menuTimeoutId = 0;
@ -454,29 +463,34 @@ AppWellIcon.prototype = {
                Lang.bind(this, function() {
                    this.popupMenu();
                }));
-        }
-    },
-
-    _onClicked: function(actor, event) {
-        this._removeMenuTimeout();
-
-        let button = event.get_button();
-        if (button == 1) {
-            this._onActivate(event);
-        } else if (button == 2) {
-            let newWorkspace = Main.overview.workspaces.addWorkspace();
-            if (newWorkspace != null) {
-                newWorkspace.activate(global.get_current_time());
-                this.emit('launching');
-                this.app.open_new_window();
-                Main.overview.hide();
-            }
        } else if (button == 3) {
            this.popupMenu();
+            return true;
        }
        return false;
    },

+    _onClicked: function(actor, button) {
+        this._removeMenuTimeout();
+
+        if (button == 1) {
+            this._onActivate(Clutter.get_current_event());
+        } else if (button == 2) {
+            // Last workspace is always empty
+            let launchWorkspace = global.screen.get_workspace_by_index(global.screen.n_workspaces - 1);
+            launchWorkspace.activate(global.get_current_time());
+            this.emit('launching');
+            this.app.open_new_window(-1);
+            Main.overview.hide();
+        }
+        return false;
+    },
+
+    _onKeyboardPopupMenu: function() {
+        this.popupMenu();
+        this._menu.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
+    },
+
    getId: function() {
        return this.app.get_id();
    },
@ -487,76 +501,35 @@ AppWellIcon.prototype = {

        if (!this._menu) {
            this._menu = new AppIconMenu(this);
-            this._menu.connect('highlight-window', Lang.bind(this, function (menu, window) {
-                this.highlightWindow(window);
-            }));
            this._menu.connect('activate-window', Lang.bind(this, function (menu, window) {
                this.activateWindow(window);
            }));
            this._menu.connect('popup', Lang.bind(this, function (menu, isPoppedUp) {
-                if (isPoppedUp) {
-                    this._onMenuPoppedUp();
-                } else {
+                if (!isPoppedUp)
                    this._onMenuPoppedDown();
-                }
            }));
+            Main.overview.connect('hiding', Lang.bind(this, function () { this._menu.close(); }));

-            this._menuManager.addMenu(this._menu, true);
+            this._menuManager.addMenu(this._menu);
        }

+        this.actor.set_hover(true);
+        this.actor.show_tooltip();
        this._menu.popup();
-        this._menuManager.grab();

        return false;
    },

-    highlightWindow: function(metaWindow) {
-        if (this._didActivateWindow)
-            return;
-        if (!this._getRunning())
-            return;
-        Main.overview.getWorkspacesForWindow(metaWindow).setHighlightWindow(metaWindow);
-    },
-
    activateWindow: function(metaWindow) {
        if (metaWindow) {
-            this._didActivateWindow = true;
            Main.activateWindow(metaWindow);
        } else {
            Main.overview.hide();
        }
    },

-    setSelected: function (isSelected) {
-        this._selected = isSelected;
-        if (this._selected)
-            this.actor.add_style_class_name('selected');
-        else
-            this.actor.remove_style_class_name('selected');
-    },
-
-    _onMenuPoppedUp: function() {
-        if (this._getRunning()) {
-            Main.overview.getWorkspacesForWindow(null).setApplicationWindowSelection(this.app.get_id());
-            this._setWindowSelection = true;
-            this._didActivateWindow = false;
-        }
-    },
-
    _onMenuPoppedDown: function() {
        this.actor.sync_hover();
-
-        if (this._didActivateWindow)
-            return;
-        if (!this._setWindowSelection)
-            return;
-
-        Main.overview.getWorkspacesForWindow(null).setApplicationWindowSelection(null);
-        this._setWindowSelection = false;
-    },
-
-    _getRunning: function() {
-        return this.app.state != Shell.AppState.STOPPED;
    },

    _onActivate: function (event) {
@ -565,30 +538,28 @@ AppWellIcon.prototype = {

        if (modifiers & Clutter.ModifierType.CONTROL_MASK
            && this.app.state == Shell.AppState.RUNNING) {
-            this.app.open_new_window();
+            this.app.open_new_window(-1);
        } else {
-            this.app.activate();
+            this.app.activate(-1);
        }
        Main.overview.hide();
    },

-    // called by this._menuManager when it has the grab
-    menuEventFilter: function(event) {
-        return this._menu.menuEventFilter(event);
-    },
+    shellWorkspaceLaunch : function(params) {
+        params = Params.parse(params, { workspace: null,
+                                        timestamp: null });

-    shellWorkspaceLaunch : function() {
-        this.app.open_new_window();
+        this.app.open_new_window(params.workspace ? params.workspace.index() : -1);
    },

    getDragActor: function() {
-        return this.app.create_icon_texture(this._icon.iconSize);
+        return this.app.create_icon_texture(Main.overview.dash.iconSize);
    },

    // Returns the original actor that should align with the actor
    // we show as the item is being dragged.
    getDragActorSource: function() {
-        return this._icon.icon;
+        return this.icon.icon;
    }
 };
 Signals.addSignalMethods(AppWellIcon.prototype);
@ -601,11 +572,17 @@ AppIconMenu.prototype = {
    __proto__: PopupMenu.PopupMenu.prototype,

    _init: function(source) {
-        PopupMenu.PopupMenu.prototype._init.call(this, source.actor, St.Align.MIDDLE, St.Side.LEFT, 0);
+        let side = St.Side.LEFT;
+        if (St.Widget.get_default_direction() == St.TextDirection.RTL)
+            side = St.Side.RIGHT;
+
+        PopupMenu.PopupMenu.prototype._init.call(this, source.actor, 0.5, side, 0);
+
+        // We want to keep the item hovered while the menu is up
+        this.blockSourceEvents = true;

        this._source = source;

-        this.connect('active-changed', Lang.bind(this, this._onActiveChanged));
        this.connect('activate', Lang.bind(this, this._onActivate));
        this.connect('open-state-changed', Lang.bind(this, this._onOpenStateChanged));

@ -645,14 +622,12 @@ AppIconMenu.prototype = {

        let isFavorite = AppFavorites.getAppFavorites().isFavorite(this._source.app.get_id());

-        this._newWindowMenuItem = windows.length > 0 ? this._appendMenuItem(_("New Window")) : null;
+        this._newWindowMenuItem = this._appendMenuItem(_("New Window"));
+        this._appendSeparator();

-        if (windows.length > 0)
-            this._appendSeparator();
        this._toggleFavoriteMenuItem = this._appendMenuItem(isFavorite ? _("Remove from Favorites")
                                                                    : _("Add to Favorites"));

-        this._highlightedItem = null;
    },

    _appendSeparator: function () {
@ -676,74 +651,16 @@ AppIconMenu.prototype = {
        if (open) {
            this.emit('popup', true);
        } else {
-            this._updateHighlight(null);
            this.emit('popup', false);
        }
    },

-    // called by this._menuManager when it has the grab
-    menuEventFilter: function(event) {
-        let eventType = event.type();
-
-        // Check if the user is interacting with a window representation
-        // rather than interacting with the menu
-
-        if (eventType == Clutter.EventType.BUTTON_RELEASE) {
-            let metaWindow = this._findMetaWindowForActor(event.get_source());
-            if (metaWindow)
-                this.emit('activate-window', metaWindow);
-        } else if (eventType == Clutter.EventType.ENTER) {
-            let metaWindow = this._findMetaWindowForActor(event.get_source());
-            if (metaWindow)
-                this._selectMenuItemForWindow(metaWindow, true);
-        } else if (eventType == Clutter.EventType.LEAVE) {
-            let metaWindow = this._findMetaWindowForActor(event.get_source());
-            if (metaWindow)
-                this._selectMenuItemForWindow(metaWindow, false);
-        }
-
-        return false;
-    },
-
-    _findMetaWindowForActor: function (actor) {
-        if (actor._delegate instanceof Workspace.WindowClone)
-            return actor._delegate.metaWindow;
-        else if (actor.get_meta_window)
-            return actor.get_meta_window();
-        return null;
-    },
-
-    _updateHighlight: function (item) {
-        if (this._highlightedItem)
-            this.emit('highlight-window', null);
-        this._highlightedItem = item;
-        if (this._highlightedItem) {
-            let window = this._highlightedItem._window;
-            if (window)
-                this.emit('highlight-window', window);
-        }
-    },
-
-    _selectMenuItemForWindow: function (metaWindow, selected) {
-        let items = this.getMenuItems();
-        for (let i = 0; i < items.length; i++) {
-            let item = items[i];
-            let menuMetaWindow = item._window;
-            if (menuMetaWindow == metaWindow)
-                item.setActive(selected);
-        }
-    },
-
-    _onActiveChanged: function (menu, child) {
-        this._updateHighlight(child);
-    },
-
    _onActivate: function (actor, child) {
        if (child._window) {
            let metaWindow = child._window;
            this.emit('activate-window', metaWindow);
        } else if (child == this._newWindowMenuItem) {
-            this._source.app.open_new_window();
+            this._source.app.open_new_window(-1);
            this.emit('activate-window', null);
        } else if (child == this._toggleFavoriteMenuItem) {
            let favs = AppFavorites.getAppFavorites();
@ -757,135 +674,3 @@ AppIconMenu.prototype = {
    }
 };
 Signals.addSignalMethods(AppIconMenu.prototype);
-
-function AppWell() {
-    this._init();
-}
-
-AppWell.prototype = {
-    _init : function() {
-        this._placeholderText = null;
-        this._menus = [];
-        this._menuDisplays = [];
-
-        this._favorites = [];
-
-        this._grid = new IconGrid.IconGrid();
-        this.actor = this._grid.actor;
-        this.actor._delegate = this;
-
-        this._workId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplay));
-
-        this._tracker = Shell.WindowTracker.get_default();
-        this._appSystem = Shell.AppSystem.get_default();
-
-        this._appSystem.connect('installed-changed', Lang.bind(this, this._queueRedisplay));
-        AppFavorites.getAppFavorites().connect('changed', Lang.bind(this, this._queueRedisplay));
-        this._tracker.connect('app-state-changed', Lang.bind(this, this._queueRedisplay));
-    },
-
-    _appIdListToHash: function(apps) {
-        let ids = {};
-        for (let i = 0; i < apps.length; i++)
-            ids[apps[i].get_id()] = apps[i];
-        return ids;
-    },
-
-    _queueRedisplay: function () {
-        Main.queueDeferredWork(this._workId);
-    },
-
-    _redisplay: function () {
-        this._grid.removeAll();
-
-        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
-
-        /* hardcode here pending some design about how exactly desktop contexts behave */
-        let contextId = '';
-
-        let running = this._tracker.get_running_apps(contextId);
-        let runningIds = this._appIdListToHash(running);
-
-        let nFavorites = 0;
-        for (let id in favorites) {
-            let app = favorites[id];
-            let display = new AppWellIcon(app);
-            this._grid.addItem(display.actor);
-            nFavorites++;
-        }
-
-        for (let i = 0; i < running.length; i++) {
-            let app = running[i];
-            if (app.get_id() in favorites)
-                continue;
-            let display = new AppWellIcon(app);
-            this._grid.addItem(display.actor);
-        }
-        if (this._placeholderText) {
-            this._placeholderText.destroy();
-            this._placeholderText = null;
-        }
-
-        if (running.length == 0 && nFavorites == 0) {
-            this._placeholderText = new St.Label({ text: _("Drag here to add favorites") });
-            this.actor.add_actor(this._placeholderText);
-        }
-    },
-
-    handleDragOver : function(source, actor, x, y, time) {
-        let app = null;
-        if (source instanceof AppWellIcon)
-            app = this._appSystem.get_app(source.getId());
-        else if (source instanceof Workspace.WindowClone)
-            app = this._tracker.get_window_app(source.metaWindow);
-
-        // Don't allow favoriting of transient apps
-        if (app == null || app.is_transient())
-            return DND.DragMotionResult.NO_DROP;
-
-        let id = app.get_id();
-
-        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
-
-        let srcIsFavorite = (id in favorites);
-
-        if (srcIsFavorite)
-            return DND.DragMotionResult.NO_DROP;
-
-        return DND.DragMotionResult.COPY_DROP;
-    },
-
-    // Draggable target interface
-    acceptDrop : function(source, actor, x, y, time) {
-        let app = null;
-        if (source instanceof AppWellIcon) {
-            app = this._appSystem.get_app(source.getId());
-        } else if (source instanceof Workspace.WindowClone) {
-            app = this._tracker.get_window_app(source.metaWindow);
-        }
-
-        // Don't allow favoriting of transient apps
-        if (app == null || app.is_transient()) {
-            return false;
-        }
-
-        let id = app.get_id();
-
-        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
-
-        let srcIsFavorite = (id in favorites);
-
-        if (srcIsFavorite) {
-            return false;
-        } else {
-            Mainloop.idle_add(Lang.bind(this, function () {
-                AppFavorites.getAppFavorites().addFavorite(id);
-                return false;
-            }));
-        }
-
-        return true;
-    }
-};
-
-Signals.addSignalMethods(AppWell.prototype);
--- a/js/ui/appFavorites.js
+++ b/js/ui/appFavorites.js
@ -63,7 +63,7 @@ AppFavorites.prototype = {
        return appId in this._favorites;
    },

-    _addFavorite: function(appId) {
+    _addFavorite: function(appId, pos) {
        if (appId in this._favorites)
            return false;

@ -73,23 +73,35 @@ AppFavorites.prototype = {
            return false;

        let ids = this._getIds();
-        ids.push(appId);
+        if (pos == -1)
+            ids.push(appId);
+        else
+            ids.splice(pos, 0, appId);
        global.settings.set_strv(this.FAVORITE_APPS_KEY, ids);
        this._favorites[appId] = app;
        return true;
    },

-    addFavorite: function(appId) {
-        if (!this._addFavorite(appId))
+    addFavoriteAtPos: function(appId, pos) {
+        if (!this._addFavorite(appId, pos))
            return;

        let app = Shell.AppSystem.get_default().get_app(appId);

-        Main.overview.infoBar.setMessage(_("%s has been added to your favorites.").format(app.get_name()), Lang.bind(this, function () {
+        Main.overview.shellInfo.setMessage(_("%s has been added to your favorites.").format(app.get_name()), Lang.bind(this, function () {
            this._removeFavorite(appId);
        }));
    },

+    addFavorite: function(appId) {
+        this.addFavoriteAtPos(appId, -1);
+    },
+
+    moveFavoriteToPos: function(appId, pos) {
+        this._removeFavorite(appId);
+        this._addFavorite(appId, pos);
+    },
+
    _removeFavorite: function(appId) {
        if (!appId in this._favorites)
            return false;
@ -100,13 +112,16 @@ AppFavorites.prototype = {
    },

    removeFavorite: function(appId) {
+        let ids = this._getIds();
+        let pos = ids.indexOf(appId);
+
        let app = this._favorites[appId];
        if (!this._removeFavorite(appId))
            return;

-        Main.overview.infoBar.setMessage(_("%s has been removed from your favorites.").format(app.get_name()),
+        Main.overview.shellInfo.setMessage(_("%s has been removed from your favorites.").format(app.get_name()),
                                         Lang.bind(this, function () {
-            this._addFavorite(appId);
+            this._addFavorite(appId, pos);
        }));
    }
 };
--- a/js/ui/boxpointer.js
+++ b/js/ui/boxpointer.js
@ -2,12 +2,17 @@

 const Clutter = imports.gi.Clutter;
 const Lang = imports.lang;
+const Meta = imports.gi.Meta;
 const St = imports.gi.St;
 const Shell = imports.gi.Shell;

+const Tweener = imports.ui.tweener;
+
+const POPUP_ANIMATION_TIME = 0.15;
+
 /**
 * BoxPointer:
- * @side: A St.Side type; currently only St.Side.TOP is implemented
+ * @side: side to draw the arrow on
 * @binProperties: Properties to set on contained bin
 *
 * An actor which displays a triangle "arrow" pointing to a given
@ -36,17 +41,90 @@ BoxPointer.prototype = {
        this._border.connect('repaint', Lang.bind(this, this._drawBorder));
        this._container.add_actor(this._border);
        this.bin.raise(this._border);
+        this._xOffset = 0;
+        this._yOffset = 0;
+        this._xPosition = 0;
+        this._yPosition = 0;
+    },
+
+    show: function(animate, onComplete) {
+        let themeNode = this.actor.get_theme_node();
+        let rise = themeNode.get_length('-arrow-rise');
+
+        this.opacity = 0;
+        this.actor.show();
+
+        if (animate) {
+            switch (this._arrowSide) {
+                case St.Side.TOP:
+                    this.yOffset = -rise;
+                    break;
+                case St.Side.BOTTOM:
+                    this.yOffset = rise;
+                    break;
+                case St.Side.LEFT:
+                    this.xOffset = -rise;
+                    break;
+                case St.Side.RIGHT:
+                    this.xOffset = rise;
+                    break;
+            }
+        }
+
+        Tweener.addTween(this, { opacity: 255,
+                                 xOffset: 0,
+                                 yOffset: 0,
+                                 transition: "linear",
+                                 onComplete: onComplete,
+                                 time: POPUP_ANIMATION_TIME });
+    },
+
+    hide: function(animate, onComplete) {
+        let xOffset = 0;
+        let yOffset = 0;
+        let themeNode = this.actor.get_theme_node();
+        let rise = themeNode.get_length('-arrow-rise');
+
+        if (animate) {
+            switch (this._arrowSide) {
+                case St.Side.TOP:
+                    yOffset = rise;
+                    break;
+                case St.Side.BOTTOM:
+                    yOffset = -rise;
+                    break;
+                case St.Side.LEFT:
+                    xOffset = rise;
+                    break;
+                case St.Side.RIGHT:
+                    xOffset = -rise;
+                    break;
+            }
+        }
+
+        Tweener.addTween(this, { opacity: 0,
+                                 xOffset: xOffset,
+                                 yOffset: yOffset,
+                                 transition: "linear",
+                                 time: POPUP_ANIMATION_TIME,
+                                 onComplete: Lang.bind(this, function () {
+                                     this.actor.hide();
+                                     this.xOffset = 0;
+                                     this.yOffset = 0;
+                                     if (onComplete)
+                                         onComplete();
+                                 })
+                               });
    },

    _adjustAllocationForArrow: function(isWidth, alloc) {
        let themeNode = this.actor.get_theme_node();
-        let found, borderWidth, base, rise;
-        [found, borderWidth] = themeNode.get_length('-arrow-border-width', false);
+        let borderWidth = themeNode.get_length('-arrow-border-width');
        alloc.min_size += borderWidth * 2;
        alloc.natural_size += borderWidth * 2;
        if ((!isWidth && (this._arrowSide == St.Side.TOP || this._arrowSide == St.Side.BOTTOM))
            || (isWidth && (this._arrowSide == St.Side.LEFT || this._arrowSide == St.Side.RIGHT))) {
-            let [found, rise] = themeNode.get_length('-arrow-rise', false);
+            let rise = themeNode.get_length('-arrow-rise');
            alloc.min_size += rise;
            alloc.natural_size += rise;
        }
@ -68,9 +146,8 @@ BoxPointer.prototype = {

    _allocate: function(actor, box, flags) {
        let themeNode = this.actor.get_theme_node();
-        let found, borderWidth, borderRadius, rise, base;
-        [found, borderWidth] = themeNode.get_length('-arrow-border-width', false);
-        [found, rise] = themeNode.get_length('-arrow-rise', false);
+        let borderWidth = themeNode.get_length('-arrow-border-width');
+        let rise = themeNode.get_length('-arrow-rise');
        let childBox = new Clutter.ActorBox();
        let availWidth = box.x2 - box.x1;
        let availHeight = box.y2 - box.y1;
@ -100,24 +177,24 @@ BoxPointer.prototype = {
                break;
        }
        this.bin.allocate(childBox, flags);
+
+        if (this._sourceActor && this._sourceActor.mapped)
+            this._reposition(this._sourceActor, this._gap, this._alignment);
    },

    _drawBorder: function(area) {
        let themeNode = this.actor.get_theme_node();

-        let found, borderWidth, borderRadius, rise, base;
-        [found, borderWidth] = themeNode.get_length('-arrow-border-width', false);
-        [found, base] = themeNode.get_length('-arrow-base', false);
-        [found, rise] = themeNode.get_length('-arrow-rise', false);
-        [found, borderRadius] = themeNode.get_length('-arrow-border-radius', false);
+        let borderWidth = themeNode.get_length('-arrow-border-width');
+        let base = themeNode.get_length('-arrow-base');
+        let rise = themeNode.get_length('-arrow-rise');
+        let borderRadius = themeNode.get_length('-arrow-border-radius');

        let halfBorder = borderWidth / 2;
        let halfBase = Math.floor(base/2);

-        let borderColor = new Clutter.Color();
-        themeNode.get_color('-arrow-border-color', false, borderColor);
-        let backgroundColor = new Clutter.Color();
-        themeNode.get_color('-arrow-background-color', false, backgroundColor);
+        let borderColor = themeNode.get_color('-arrow-border-color');
+        let backgroundColor = themeNode.get_color('-arrow-background-color');

        let [width, height] = area.get_surface_size();
        let [boxWidth, boxHeight] = [width, height];
@ -137,46 +214,88 @@ BoxPointer.prototype = {
            cr.translate(rise, 0);
        }

-        cr.moveTo(borderRadius, halfBorder);
+        let [x1, y1] = [halfBorder, halfBorder];
+        let [x2, y2] = [boxWidth - halfBorder, boxHeight - halfBorder];

+        cr.moveTo(x1 + borderRadius, y1);
        if (this._arrowSide == St.Side.TOP) {
-            cr.lineTo(this._arrowOrigin - halfBase, halfBorder);
-            cr.lineTo(this._arrowOrigin, halfBorder - rise);
-            cr.lineTo(this._arrowOrigin + halfBase, halfBorder);
+            if (this._arrowOrigin < (x1 + (borderRadius + halfBase))) {
+                cr.lineTo(this._arrowOrigin, y1 - rise);
+                cr.lineTo(Math.max(x1 + borderRadius, this._arrowOrigin) + halfBase, y1);
+            } else if (this._arrowOrigin > (x2 - (borderRadius + halfBase))) {
+                cr.lineTo(Math.min(x2 - borderRadius, this._arrowOrigin) - halfBase, y1);
+                cr.lineTo(this._arrowOrigin, y1 - rise);
+            } else {
+                cr.lineTo(this._arrowOrigin - halfBase, y1);
+                cr.lineTo(this._arrowOrigin, y1 - rise);
+                cr.lineTo(this._arrowOrigin + halfBase, y1);
+            }
        }
-        cr.lineTo(boxWidth - borderRadius, halfBorder);

-        cr.arc(boxWidth - borderRadius - halfBorder, borderRadius + halfBorder, borderRadius,
+        cr.lineTo(x2 - borderRadius, y1);
+
+        // top-right corner
+        cr.arc(x2 - borderRadius, y1 + borderRadius, borderRadius,
               3*Math.PI/2, Math.PI*2);

        if (this._arrowSide == St.Side.RIGHT) {
-            cr.lineTo(boxWidth - halfBorder, this._arrowOrigin - halfBase);
-            cr.lineTo(boxWidth - halfBorder + rise, this._arrowOrigin);
-            cr.lineTo(boxWidth - halfBorder, this._arrowOrigin + halfBase);
+            if (this._arrowOrigin < (y1 + (borderRadius + halfBase))) {
+                cr.lineTo(x2 + rise, this._arrowOrigin);
+                cr.lineTo(x2, Math.max(y1 + borderRadius, this._arrowOrigin) + halfBase);
+            } else if (this._arrowOrigin > (y2 - (borderRadius + halfBase))) {
+                cr.lineTo(x2, Math.min(y2 - borderRadius, this._arrowOrigin) - halfBase);
+                cr.lineTo(x2 + rise, this._arrowOrigin);
+            } else {
+                cr.lineTo(x2, this._arrowOrigin - halfBase);
+                cr.lineTo(x2 + rise, this._arrowOrigin);
+                cr.lineTo(x2, this._arrowOrigin + halfBase);
+            }
        }
-        cr.lineTo(boxWidth - halfBorder, boxHeight - borderRadius);

-        cr.arc(boxWidth - borderRadius - halfBorder, boxHeight - borderRadius - halfBorder, borderRadius,
+        cr.lineTo(x2, y2 - borderRadius);
+
+        // bottom-right corner
+        cr.arc(x2 - borderRadius, y2 - borderRadius, borderRadius,
               0, Math.PI/2);

        if (this._arrowSide == St.Side.BOTTOM) {
-            cr.lineTo(this._arrowOrigin + halfBase, boxHeight - halfBorder);
-            cr.lineTo(this._arrowOrigin, boxHeight - halfBorder + rise);
-            cr.lineTo(this._arrowOrigin - halfBase, boxHeight - halfBorder);
+            if (this._arrowOrigin < (x1 + (borderRadius + halfBase))) {
+                cr.lineTo(Math.max(x1 + borderRadius, this._arrowOrigin) + halfBase, y2);
+                cr.lineTo(this._arrowOrigin, y2 + rise);
+            } else if (this._arrowOrigin > (x2 - (borderRadius + halfBase))) {
+                cr.lineTo(this._arrowOrigin, y2 + rise);
+                cr.lineTo(Math.min(x2 - borderRadius, this._arrowOrigin) - halfBase, y2);
+            } else {
+                cr.lineTo(this._arrowOrigin + halfBase, y2);
+                cr.lineTo(this._arrowOrigin, y2 + rise);
+                cr.lineTo(this._arrowOrigin - halfBase, y2);
+            }
        }
-        cr.lineTo(borderRadius, boxHeight - halfBorder);

-        cr.arc(borderRadius + halfBorder, boxHeight - borderRadius - halfBorder, borderRadius,
+        cr.lineTo(x1 + borderRadius, y2);
+
+        // bottom-left corner
+        cr.arc(x1 + borderRadius, y2 - borderRadius, borderRadius,
               Math.PI/2, Math.PI);

        if (this._arrowSide == St.Side.LEFT) {
-            cr.lineTo(halfBorder, this._arrowOrigin + halfBase);
-            cr.lineTo(halfBorder - rise, this._arrowOrigin);
-            cr.lineTo(halfBorder, this._arrowOrigin - halfBase);
+            if (this._arrowOrigin < (y1 + (borderRadius + halfBase))) {
+                cr.lineTo(x1, Math.max(y1 + borderRadius, this._arrowOrigin) + halfBase);
+                cr.lineTo(x1 - rise, this._arrowOrigin);
+            } else if (this._arrowOrigin > (y2 - (borderRadius + halfBase))) {
+                cr.lineTo(x1 - rise, this._arrowOrigin);
+                cr.lineTo(x1, Math.min(y2 - borderRadius, this._arrowOrigin) - halfBase);
+            } else {
+                cr.lineTo(x1, this._arrowOrigin + halfBase);
+                cr.lineTo(x1 - rise, this._arrowOrigin);
+                cr.lineTo(x1, this._arrowOrigin - halfBase);
+            }
        }
-        cr.lineTo(halfBorder, borderRadius);

-        cr.arc(borderRadius + halfBorder, borderRadius + halfBorder, borderRadius,
+        cr.lineTo(x1, y1 + borderRadius);
+
+        // top-left corner
+        cr.arc(x1 + borderRadius, y1 + borderRadius, borderRadius,
               Math.PI, 3*Math.PI/2);

        Clutter.cairo_set_source_color(cr, backgroundColor);
@ -186,6 +305,90 @@ BoxPointer.prototype = {
        cr.stroke();
    },

+    setPosition: function(sourceActor, gap, alignment) {
+        // We need to show it now to force an allocation,
+        // so that we can query the correct size.
+        this.actor.show();
+
+        this._sourceActor = sourceActor;
+        this._gap = gap;
+        this._alignment = alignment;
+
+        this._reposition(sourceActor, gap, alignment);
+    },
+
+    _reposition: function(sourceActor, gap, alignment) {
+        // Position correctly relative to the sourceActor
+        let sourceNode = sourceActor.get_theme_node();
+        let sourceContentBox = sourceNode.get_content_box(sourceActor.get_allocation_box());
+        let sourceAllocation = Shell.util_get_transformed_allocation(sourceActor);
+        let sourceCenterX = sourceAllocation.x1 + sourceContentBox.x1 + (sourceContentBox.x2 - sourceContentBox.x1) / 2;
+        let sourceCenterY = sourceAllocation.y1 + sourceContentBox.y1 + (sourceContentBox.y2 - sourceContentBox.y1) / 2;
+        let [minWidth, minHeight, natWidth, natHeight] = this.actor.get_preferred_size();
+
+        // We also want to keep it onscreen, and separated from the
+        // edge by the same distance as the main part of the box is
+        // separated from its sourceActor
+        let primary = global.get_primary_monitor();
+        let themeNode = this.actor.get_theme_node();
+        let borderWidth = themeNode.get_length('-arrow-border-width');
+        let arrowBase = themeNode.get_length('-arrow-base');
+        let borderRadius = themeNode.get_length('-arrow-border-radius');
+        let margin = (4 * borderRadius + borderWidth + arrowBase);
+        let halfMargin = margin / 2;
+
+        let resX, resY;
+
+        switch (this._arrowSide) {
+        case St.Side.TOP:
+            resY = sourceAllocation.y2 + gap;
+            break;
+        case St.Side.BOTTOM:
+            resY = sourceAllocation.y1 - natHeight - gap;
+            break;
+        case St.Side.LEFT:
+            resX = sourceAllocation.x2 + gap;
+            break;
+        case St.Side.RIGHT:
+            resX = sourceAllocation.x1 - natWidth - gap;
+            break;
+        }
+
+        // Now align and position the pointing axis, making sure
+        // it fits on screen
+        switch (this._arrowSide) {
+        case St.Side.TOP:
+        case St.Side.BOTTOM:
+            resX = sourceCenterX - (halfMargin + (natWidth - margin) * alignment);
+
+            resX = Math.max(resX, primary.x + 10);
+            resX = Math.min(resX, primary.x + primary.width - (10 + natWidth));
+            this.setArrowOrigin(sourceCenterX - resX);
+            break;
+
+        case St.Side.LEFT:
+        case St.Side.RIGHT:
+            resY = sourceCenterY - (halfMargin + (natHeight - margin) * alignment);
+
+            resY = Math.max(resY, primary.y + 10);
+            resY = Math.min(resY, primary.y + primary.height - (10 + natHeight));
+
+            this.setArrowOrigin(sourceCenterY - resY);
+            break;
+        }
+
+        let parent = this.actor.get_parent();
+        let success, x, y;
+        while (!success) {
+            [success, x, y] = parent.transform_stage_point(resX, resY);
+            parent = parent.get_parent();
+        }
+
+        this._xPosition = Math.floor(x);
+        this._yPosition = Math.floor(y);
+        this._shiftActor();
+    },
+
    // @origin: Coordinate specifying middle of the arrow, along
    // the Y axis for St.Side.LEFT, St.Side.RIGHT from the top and X axis from
    // the left for St.Side.TOP and St.Side.BOTTOM.
@ -194,5 +397,42 @@ BoxPointer.prototype = {
            this._arrowOrigin = origin;
            this._border.queue_repaint();
        }
+    },
+
+    _shiftActor : function() {
+        // Since the position of the BoxPointer depends on the allocated size
+        // of the BoxPointer and the position of the source actor, trying
+        // to position the BoxPoiner via the x/y properties will result in
+        // allocation loops and warnings. Instead we do the positioning via
+        // the anchor point, which is independent of allocation, and leave
+        // x == y == 0.
+        this.actor.set_anchor_point(-(this._xPosition + this._xOffset),
+                                    -(this._yPosition + this._yOffset));
+    },
+
+    set xOffset(offset) {
+        this._xOffset = offset;
+        this._shiftActor();
+    },
+
+    get xOffset() {
+        return this._xOffset;
+    },
+
+    set yOffset(offset) {
+        this._yOffset = offset;
+        this._shiftActor();
+    },
+
+    get yOffset() {
+        return this._yOffset;
+    },
+
+    set opacity(opacity) {
+        this.actor.opacity = opacity;
+    },
+
+    get opacity() {
+        return this.actor.opacity;
    }
 };
--- a/js/ui/calendar.js
+++ b/js/ui/calendar.js
@ -1,22 +1,87 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

+const DBus = imports.dbus;
 const Clutter = imports.gi.Clutter;
 const Gio = imports.gi.Gio;
 const Lang = imports.lang;
 const St = imports.gi.St;
+const Signals = imports.signals;
 const Pango = imports.gi.Pango;
-const Gettext_gtk20 = imports.gettext.domain('gtk20');
+const Gettext_gtk30 = imports.gettext.domain('gtk30');
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+const C_ = Gettext.pgettext;
+const Mainloop = imports.mainloop;
+const Shell = imports.gi.Shell;

 const MSECS_IN_DAY = 24 * 60 * 60 * 1000;
 const WEEKDATE_HEADER_WIDTH_DIGITS = 3;
 const SHOW_WEEKDATE_KEY = 'show-weekdate';

+// in org.gnome.desktop.interface
+const CLOCK_FORMAT_KEY        = 'clock-format';
+
 function _sameDay(dateA, dateB) {
    return (dateA.getDate() == dateB.getDate() &&
            dateA.getMonth() == dateB.getMonth() &&
            dateA.getYear() == dateB.getYear());
 }

+function _sameYear(dateA, dateB) {
+    return (dateA.getYear() == dateB.getYear());
+}
+
+/* TODO: maybe needs config - right now we assume that Saturday and
+ * Sunday are non-work days (not true in e.g. Israel, it's Sunday and
+ * Monday there)
+ */
+function _isWorkDay(date) {
+    return date.getDay() != 0 && date.getDay() != 6;
+}
+
+function _getBeginningOfDay(date) {
+    let ret = new Date(date.getTime());
+    ret.setHours(0);
+    ret.setMinutes(0);
+    ret.setSeconds(0);
+    ret.setMilliseconds(0);
+    return ret;
+}
+
+function _getEndOfDay(date) {
+    let ret = new Date(date.getTime());
+    ret.setHours(23);
+    ret.setMinutes(59);
+    ret.setSeconds(59);
+    ret.setMilliseconds(999);
+    return ret;
+}
+
+function _formatEventTime(event, clockFormat) {
+    let ret;
+    if (event.allDay) {
+        /* Translators: Shown in calendar event list for all day events
+         * Keep it short, best if you can use less then 10 characters
+         */
+        ret = C_("event list time", "All Day");
+    } else {
+        switch (clockFormat) {
+        case '24h':
+            /* Translators: Shown in calendar event list, if 24h format */
+            ret = event.date.toLocaleFormat(C_("event list time", "%H:%M"));
+            break;
+
+        default:
+            /* explicit fall-through */
+        case '12h':
+            /* Transators: Shown in calendar event list, if 12h format */
+            ret = event.date.toLocaleFormat(C_("event list time", "%l:%M %p"));
+            break;
+        }
+    }
+    return ret;
+}
+
 function _getCalendarWeekForDate(date) {
    // Based on the algorithms found here:
    // http://en.wikipedia.org/wiki/Talk:ISO_week_date
@ -43,12 +108,259 @@ function _getDigitWidth(actor){
    return width;
 }

-function Calendar() {
+function _getCalendarDayAbbreviation(dayNumber) {
+    let abbreviations = [
+        /* Translators: Calendar grid abbreviation for Sunday.
+         *
+         * NOTE: These grid abbreviations are always shown together
+         * and in order, e.g. "S M T W T F S".
+         */
+        C_("grid sunday", "S"),
+        /* Translators: Calendar grid abbreviation for Monday */
+        C_("grid monday", "M"),
+        /* Translators: Calendar grid abbreviation for Tuesday */
+        C_("grid tuesday", "T"),
+        /* Translators: Calendar grid abbreviation for Wednesday */
+        C_("grid wednesday", "W"),
+        /* Translators: Calendar grid abbreviation for Thursday */
+        C_("grid thursday", "T"),
+        /* Translators: Calendar grid abbreviation for Friday */
+        C_("grid friday", "F"),
+        /* Translators: Calendar grid abbreviation for Saturday */
+        C_("grid saturday", "S")
+    ];
+    return abbreviations[dayNumber];
+}
+
+function _getEventDayAbbreviation(dayNumber) {
+    let abbreviations = [
+        /* Translators: Event list abbreviation for Sunday.
+         *
+         * NOTE: These list abbreviations are normally not shown together
+         * so they need to be unique (e.g. Tuesday and Thursday cannot
+         * both be 'T').
+         */
+        C_("list sunday", "Su"),
+        /* Translators: Event list abbreviation for Monday */
+        C_("list monday", "M"),
+        /* Translators: Event list abbreviation for Tuesday */
+        C_("list tuesday", "T"),
+        /* Translators: Event list abbreviation for Wednesday */
+        C_("list wednesday", "W"),
+        /* Translators: Event list abbreviation for Thursday */
+        C_("list thursday", "Th"),
+        /* Translators: Event list abbreviation for Friday */
+        C_("list friday", "F"),
+        /* Translators: Event list abbreviation for Saturday */
+        C_("list saturday", "S")
+    ];
+    return abbreviations[dayNumber];
+}
+
+// Abstraction for an appointment/event in a calendar
+
+function CalendarEvent(date, end, summary, allDay) {
+    this._init(date, end, summary, allDay);
+}
+
+CalendarEvent.prototype = {
+    _init: function(date, end, summary, allDay) {
+        this.date = date;
+        this.end = end;
+        this.summary = summary;
+        this.allDay = allDay;
+    }
+};
+
+// Interface for appointments/events - e.g. the contents of a calendar
+//
+
+// First, an implementation with no events
+function EmptyEventSource() {
    this._init();
 }

-Calendar.prototype = {
+EmptyEventSource.prototype = {
    _init: function() {
+    },
+
+    requestRange: function(begin, end) {
+    },
+
+    getEvents: function(begin, end) {
+        let result = [];
+        return result;
+    },
+
+    hasEvents: function(day) {
+        return false;
+    }
+};
+Signals.addSignalMethods(EmptyEventSource.prototype);
+
+const CalendarServerIface = {
+    name: 'org.gnome.Shell.CalendarServer',
+    methods: [{ name: 'GetEvents',
+                inSignature: 'xxb',
+                outSignature: 'a(sssbxxa{sv})' }],
+    signals: [{ name: 'Changed',
+                inSignature: '' }]
+};
+
+const CalendarServer = function () {
+    this._init();
+};
+
+CalendarServer.prototype = {
+     _init: function() {
+         DBus.session.proxifyObject(this, 'org.gnome.Shell.CalendarServer', '/org/gnome/Shell/CalendarServer');
+     }
+};
+
+DBus.proxifyPrototype(CalendarServer.prototype, CalendarServerIface);
+
+// an implementation that reads data from a session bus service
+function DBusEventSource(owner) {
+    this._init(owner);
+}
+
+function _datesEqual(a, b) {
+    if (a < b)
+        return false;
+    else if (a > b)
+        return false;
+    return true;
+}
+
+function _dateIntervalsOverlap(a0, a1, b0, b1)
+{
+    if (a1 <= b0)
+        return false;
+    else if (b1 <= a0)
+        return false;
+    else
+        return true;
+}
+
+
+DBusEventSource.prototype = {
+    _init: function(owner) {
+        this._resetCache();
+
+        this._dbusProxy = new CalendarServer(owner);
+        this._dbusProxy.connect('Changed', Lang.bind(this, this._onChanged));
+
+        DBus.session.watch_name('org.gnome.Shell.CalendarServer',
+                                false, // do not launch a name-owner if none exists
+                                Lang.bind(this, this._onNameAppeared),
+                                Lang.bind(this, this._onNameVanished));
+    },
+
+    _resetCache: function() {
+        this._events = [];
+        this._lastRequestBegin = null;
+        this._lastRequestEnd = null;
+    },
+
+    _onNameAppeared: function(owner) {
+        this._resetCache();
+        this._loadEvents(true);
+    },
+
+    _onNameVanished: function(oldOwner) {
+        this._resetCache();
+        this.emit('changed');
+    },
+
+    _onChanged: function() {
+        this._loadEvents(false);
+    },
+
+    _onEventsReceived: function(appointments) {
+        let newEvents = [];
+        if (appointments != null) {
+            for (let n = 0; n < appointments.length; n++) {
+                let a = appointments[n];
+                let date = new Date(a[4] * 1000);
+                let end = new Date(a[5] * 1000);
+                let summary = a[1];
+                let allDay = a[3];
+                let event = new CalendarEvent(date, end, summary, allDay);
+                newEvents.push(event);
+            }
+            newEvents.sort(function(event1, event2) {
+                return event1.date.getTime() - event2.date.getTime();
+            });
+        }
+
+        this._events = newEvents;
+        this.emit('changed');
+    },
+
+    _loadEvents: function(forceReload) {
+        if (this._curRequestBegin && this._curRequestEnd){
+            let callFlags = 0;
+            if (forceReload)
+                callFlags |= DBus.CALL_FLAG_START;
+            this._dbusProxy.GetEventsRemote(this._curRequestBegin.getTime() / 1000,
+                                            this._curRequestEnd.getTime() / 1000,
+                                            forceReload,
+                                            Lang.bind(this, this._onEventsReceived),
+                                            callFlags);
+        }
+    },
+
+    requestRange: function(begin, end, forceReload) {
+        if (forceReload || !(_datesEqual(begin, this._lastRequestBegin) && _datesEqual(end, this._lastRequestEnd))) {
+            this._lastRequestBegin = begin;
+            this._lastRequestEnd = end;
+            this._curRequestBegin = begin;
+            this._curRequestEnd = end;
+            this._loadEvents(forceReload);
+        }
+    },
+
+    getEvents: function(begin, end) {
+        let result = [];
+        for(let n = 0; n < this._events.length; n++) {
+            let event = this._events[n];
+            if (_dateIntervalsOverlap (event.date, event.end, begin, end)) {
+                result.push(event);
+            }
+        }
+        return result;
+    },
+
+    hasEvents: function(day) {
+        let dayBegin = _getBeginningOfDay(day);
+        let dayEnd = _getEndOfDay(day);
+
+        let events = this.getEvents(dayBegin, dayEnd);
+
+        if (events.length == 0)
+            return false;
+
+        return true;
+    }
+};
+Signals.addSignalMethods(DBusEventSource.prototype);
+
+// Calendar:
+// @eventSource: is an object implementing the EventSource API, e.g. the
+// requestRange(), getEvents(), hasEvents() methods and the ::changed signal.
+function Calendar(eventSource) {
+    this._init(eventSource);
+}
+
+Calendar.prototype = {
+    _init: function(eventSource) {
+        this._eventSource = eventSource;
+
+        this._eventSource.connect('changed', Lang.bind(this,
+                                                       function() {
+                                                           this._update(false);
+                                                       }));
+
        // FIXME: This is actually the fallback method for GTK+ for the week start;
        // GTK+ by preference uses nl_langinfo (NL_TIME_FIRST_WEEKDAY). We probably
        // should add a C function so we can do the full handling.
@ -60,7 +372,7 @@ Calendar.prototype = {
        this._settings.connect('changed::' + SHOW_WEEKDATE_KEY, Lang.bind(this, this._onSettingsChange));
        this._useWeekdate = this._settings.get_boolean(SHOW_WEEKDATE_KEY);

-        let weekStartString = Gettext_gtk20.gettext('calendar:week_start:0');
+        let weekStartString = Gettext_gtk30.gettext('calendar:week_start:0');
        if (weekStartString.indexOf('calendar:week_start:') == 0) {
            this._weekStart = parseInt(weekStartString.substring(20));
        }
@ -71,7 +383,8 @@ Calendar.prototype = {
        }

        // Find the ordering for month/year in the calendar heading
-        switch (Gettext_gtk20.gettext('calendar:MY')) {
+        this._headerFormatWithoutYear = '%B';
+        switch (Gettext_gtk30.gettext('calendar:MY')) {
        case 'calendar:MY':
            this._headerFormat = '%B %Y';
            break;
@ -85,7 +398,7 @@ Calendar.prototype = {
        }

        // Start off with the current date
-        this.date = new Date();
+        this._selectedDate = new Date();

        this.actor = new St.Table({ homogeneous: false,
                                    style_class: 'calendar',
@ -95,14 +408,17 @@ Calendar.prototype = {
                           Lang.bind(this, this._onScroll));

        this._buildHeader ();
-        this._update();
    },

    // Sets the calendar to show a specific date
-    setDate: function(date) {
-        if (!_sameDay(date, this.date)) {
-            this.date = date;
-            this._update();
+    setDate: function(date, forceReload) {
+        if (!_sameDay(date, this._selectedDate)) {
+            this._selectedDate = date;
+            this._update(forceReload);
+            this.emit('selected-date-changed', new Date(this._selectedDate));
+        } else {
+            if (forceReload)
+                this._update(forceReload);
        }
    },

@ -116,45 +432,36 @@ Calendar.prototype = {
                       { row: 0, col: 0, col_span: offsetCols + 7 });

        this.actor.connect('style-changed', Lang.bind(this, this._onStyleChange));
-        let [backlabel, forwardlabel] = ['&lt;', '&gt;'];
-        if (St.Widget.get_default_direction () == St.TextDirection.RTL) {
-            [backlabel, forwardlabel] = [forwardlabel, backlabel];
-        }

-        let back = new St.Button({ label: backlabel, style_class: 'calendar-change-month'  });
+        let back = new St.Button({ style_class: 'calendar-change-month-back' });
        this._topBox.add(back);
-        back.connect('clicked', Lang.bind(this, this._prevMonth));
+        back.connect('clicked', Lang.bind(this, this._onPrevMonthButtonClicked));

-        this._dateLabel = new St.Label();
-        this._topBox.add(this._dateLabel, { expand: true, x_fill: false, x_align: St.Align.MIDDLE });
+        this._monthLabel = new St.Label({style_class: 'calendar-month-label'});
+        this._topBox.add(this._monthLabel, { expand: true, x_fill: false, x_align: St.Align.MIDDLE });

-        let forward = new St.Button({ label: forwardlabel, style_class: 'calendar-change-month' });
+        let forward = new St.Button({ style_class: 'calendar-change-month-forward' });
        this._topBox.add(forward);
-        forward.connect('clicked', Lang.bind(this, this._nextMonth));
+        forward.connect('clicked', Lang.bind(this, this._onNextMonthButtonClicked));

+        // Add weekday labels...
+        //
        // We need to figure out the abbreviated localized names for the days of the week;
        // we do this by just getting the next 7 days starting from right now and then putting
        // them in the right cell in the table. It doesn't matter if we add them in order
-        let iter = new Date(this.date);
+        let iter = new Date(this._selectedDate);
        iter.setSeconds(0); // Leap second protection. Hah!
        iter.setHours(12);
-
-        if (this._useWeekdate) {
-            this._weekdateHeader = new St.Label();
-            this.actor.add(this._weekdateHeader,
-                              { row: 1,
-                                col: 0,
-                                x_fill: false, x_align: St.Align.MIDDLE });
-            this._setWeekdateHeaderWidth();
-        } else {
-            this._weekdateHeader = null;
-        }
-
        for (let i = 0; i < 7; i++) {
-            this.actor.add(new St.Label({ text: iter.toLocaleFormat('%a') }),
+            // Could use iter.toLocaleFormat('%a') but that normally gives three characters
+            // and we want, ideally, a single character for e.g. S M T W T F S
+            let customDayAbbrev = _getCalendarDayAbbreviation(iter.getDay());
+            let label = new St.Label({ style_class: 'calendar-day-base calendar-day-heading',
+                                       text: customDayAbbrev });
+            this.actor.add(label,
                           { row: 1,
                             col: offsetCols + (7 + iter.getDay() - this._weekStart) % 7,
-                             x_fill: false, x_align: St.Align.END });
+                             x_fill: false, x_align: St.Align.MIDDLE });
            iter.setTime(iter.getTime() + MSECS_IN_DAY);
        }

@ -178,43 +485,72 @@ Calendar.prototype = {
        switch (event.get_scroll_direction()) {
        case Clutter.ScrollDirection.UP:
        case Clutter.ScrollDirection.LEFT:
-            this._prevMonth();
+            this._onPrevMonthButtonClicked();
            break;
        case Clutter.ScrollDirection.DOWN:
        case Clutter.ScrollDirection.RIGHT:
-            this._nextMonth();
+            this._onNextMonthButtonClicked();
            break;
        }
    },

-    _prevMonth: function() {
-        if (this.date.getMonth() == 0) {
-            this.date.setMonth(11);
-            this.date.setFullYear(this.date.getFullYear() - 1);
-        } else {
-            this.date.setMonth(this.date.getMonth() - 1);
+    _onPrevMonthButtonClicked: function() {
+        let newDate = new Date(this._selectedDate);
+        let oldMonth = newDate.getMonth();
+        if (oldMonth == 0) {
+            newDate.setMonth(11);
+            newDate.setFullYear(newDate.getFullYear() - 1);
+            if (newDate.getMonth() != 11) {
+                let day = 32 - new Date(newDate.getFullYear() - 1, 11, 32).getDate();
+                newDate = new Date(newDate.getFullYear() - 1, 11, day);
+            }
        }
-        this._update();
+        else {
+            newDate.setMonth(oldMonth - 1);
+            if (newDate.getMonth() != oldMonth - 1) {
+                let day = 32 - new Date(newDate.getFullYear(), oldMonth - 1, 32).getDate();
+                newDate = new Date(newDate.getFullYear(), oldMonth - 1, day);
+            }
+        }
+
+        this.setDate(newDate, false);
   },

-    _nextMonth: function() {
-        if (this.date.getMonth() == 11) {
-            this.date.setMonth(0);
-            this.date.setFullYear(this.date.getFullYear() + 1);
-        } else {
-            this.date.setMonth(this.date.getMonth() + 1);
+   _onNextMonthButtonClicked: function() {
+        let newDate = new Date(this._selectedDate);
+        let oldMonth = newDate.getMonth();
+        if (oldMonth == 11) {
+            newDate.setMonth(0);
+            newDate.setFullYear(newDate.getFullYear() + 1);
+            if (newDate.getMonth() != 0) {
+                let day = 32 - new Date(newDate.getFullYear() + 1, 0, 32).getDate();
+                newDate = new Date(newDate.getFullYear() + 1, 0, day);
+            }
        }
-        this._update();
+        else {
+            newDate.setMonth(oldMonth + 1);
+            if (newDate.getMonth() != oldMonth + 1) {
+                let day = 32 - new Date(newDate.getFullYear(), oldMonth + 1, 32).getDate();
+                newDate = new Date(newDate.getFullYear(), oldMonth + 1, day);
+            }
+        }
+
+       this.setDate(newDate, false);
    },

    _onSettingsChange: function() {
        this._useWeekdate = this._settings.get_boolean(SHOW_WEEKDATE_KEY);
        this._buildHeader();
-        this._update();
+        this._update(false);
    },

-    _update: function() {
-        this._dateLabel.text = this.date.toLocaleFormat(this._headerFormat);
+    _update: function(forceReload) {
+        let now = new Date();
+
+        if (_sameYear(this._selectedDate, now))
+            this._monthLabel.text = this._selectedDate.toLocaleFormat(this._headerFormatWithoutYear);
+        else
+            this._monthLabel.text = this._selectedDate.toLocaleFormat(this._headerFormat);

        // Remove everything but the topBox and the weekday labels
        let children = this.actor.get_children();
@ -222,45 +558,217 @@ Calendar.prototype = {
            children[i].destroy();

        // Start at the beginning of the week before the start of the month
-        let iter = new Date(this.date);
-        iter.setDate(1);
-        iter.setSeconds(0);
-        iter.setHours(12);
-        let daysToWeekStart = (7 + iter.getDay() - this._weekStart) % 7;
-        iter.setTime(iter.getTime() - daysToWeekStart * MSECS_IN_DAY);
-
-        let now = new Date();
+        let beginDate = new Date(this._selectedDate);
+        beginDate.setDate(1);
+        beginDate.setSeconds(0);
+        beginDate.setHours(12);
+        let daysToWeekStart = (7 + beginDate.getDay() - this._weekStart) % 7;
+        beginDate.setTime(beginDate.getTime() - daysToWeekStart * MSECS_IN_DAY);

+        let iter = new Date(beginDate);
        let row = 2;
        while (true) {
-            let label = new St.Label({ text: iter.getDate().toString() });
-            if (_sameDay(now, iter))
-                label.style_class = 'calendar-day calendar-today';
-            else if (iter.getMonth() != this.date.getMonth())
-                label.style_class = 'calendar-day calendar-other-month-day';
+            let button = new St.Button({ label: iter.getDate().toString() });
+
+            let iterStr = iter.toUTCString();
+            button.connect('clicked', Lang.bind(this, function() {
+                let newlySelectedDate = new Date(iterStr);
+                this.setDate(newlySelectedDate, false);
+            }));
+
+            let hasEvents = this._eventSource.hasEvents(iter);
+            let styleClass = 'calendar-day-base calendar-day';
+            if (_isWorkDay(iter))
+                styleClass += ' calendar-work-day'
            else
-                label.style_class = 'calendar-day';
+                styleClass += ' calendar-nonwork-day'
+
+            // Hack used in lieu of border-collapse - see gnome-shell.css
+            if (row == 2)
+                styleClass = 'calendar-day-top ' + styleClass;
+            if (iter.getDay() == this._weekStart)
+                styleClass = 'calendar-day-left ' + styleClass;
+
+            if (_sameDay(now, iter))
+                styleClass += ' calendar-today';
+            else if (iter.getMonth() != this._selectedDate.getMonth())
+                styleClass += ' calendar-other-month-day';
+
+            if (_sameDay(this._selectedDate, iter))
+                button.add_style_pseudo_class('active');
+
+            if (hasEvents)
+                styleClass += ' calendar-day-with-events'
+
+            button.style_class = styleClass;

            let offsetCols = this._useWeekdate ? 1 : 0;
-            this.actor.add(label,
-                           { row: row, col: offsetCols + (7 + iter.getDay() - this._weekStart) % 7,
-                             x_fill: false, x_align: St.Align.END });
+            this.actor.add(button,
+                           { row: row, col: offsetCols + (7 + iter.getDay() - this._weekStart) % 7 });

            if (this._useWeekdate && iter.getDay() == 4) {
                let label = new St.Label({ text: _getCalendarWeekForDate(iter).toString(),
-                                           style_class: 'calendar-day calendar-calendarweek'});
+                                           style_class: 'calendar-day-base calendar-week-number'});
                this.actor.add(label,
-                              { row: row, col: 0,
-		                        x_fill: false, x_align: St.Align.MIDDLE });
+                               { row: row, col: 0, y_align: St.Align.MIDDLE });
            }

            iter.setTime(iter.getTime() + MSECS_IN_DAY);
            if (iter.getDay() == this._weekStart) {
                // We stop on the first "first day of the week" after the month we are displaying
-                if (iter.getMonth() > this.date.getMonth() || iter.getYear() > this.date.getYear())
+                if (iter.getMonth() > this._selectedDate.getMonth() || iter.getYear() > this._selectedDate.getYear())
                    break;
                row++;
            }
        }
+        // Signal to the event source that we are interested in events
+        // only from this date range
+        this._eventSource.requestRange(beginDate, iter, forceReload);
+    }
+};
+
+Signals.addSignalMethods(Calendar.prototype);
+
+function EventsList(eventSource) {
+    this._init(eventSource);
+}
+
+EventsList.prototype = {
+    _init: function(eventSource) {
+        this.actor = new St.BoxLayout({ vertical: true, style_class: 'events-header-vbox'});
+        this._date = new Date();
+        this._eventSource = eventSource;
+        this._eventSource.connect('changed', Lang.bind(this, this._update));
+        this._desktopSettings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' });
+        this._desktopSettings.connect('changed', Lang.bind(this, this._update));
+        let weekStartString = Gettext_gtk30.gettext('calendar:week_start:0');
+        if (weekStartString.indexOf('calendar:week_start:') == 0) {
+            this._weekStart = parseInt(weekStartString.substring(20));
+        }
+
+        if (isNaN(this._weekStart) ||
+                  this._weekStart < 0 ||
+                  this._weekStart > 6) {
+            log('Translation of "calendar:week_start:0" in GTK+ is not correct');
+            this._weekStart = 0;
+        }
+
+        this._update();
+    },
+
+    _addEvent: function(dayNameBox, timeBox, eventTitleBox, includeDayName, day, time, desc) {
+        if (includeDayName) {
+            dayNameBox.add(new St.Label( { style_class: 'events-day-dayname',
+                                           text: day } ),
+                           { x_fill: true } );
+        }
+        timeBox.add(new St.Label( { style_class: 'events-day-time',
+                                    text: time} ),
+                    { x_fill: true } );
+        eventTitleBox.add(new St.Label( { style_class: 'events-day-task',
+                                          text: desc} ));
+    },
+
+    _addPeriod: function(header, begin, end, includeDayName, showNothingScheduled) {
+        let events = this._eventSource.getEvents(begin, end);
+
+        let clockFormat = this._desktopSettings.get_string(CLOCK_FORMAT_KEY);;
+
+        if (events.length == 0 && !showNothingScheduled)
+            return;
+
+        let vbox = new St.BoxLayout( {vertical: true} );
+        this.actor.add(vbox);
+
+        vbox.add(new St.Label({ style_class: 'events-day-header', text: header }));
+        let box = new St.BoxLayout({style_class: 'events-header-hbox'});
+        let dayNameBox = new St.BoxLayout({ vertical: true, style_class: 'events-day-name-box' });
+        let timeBox = new St.BoxLayout({ vertical: true, style_class: 'events-time-box' });
+        let eventTitleBox = new St.BoxLayout({ vertical: true, style_class: 'events-event-box' });
+        box.add(dayNameBox, {x_fill: false});
+        box.add(timeBox, {x_fill: false});
+        box.add(eventTitleBox, {expand: true});
+        vbox.add(box);
+
+        for (let n = 0; n < events.length; n++) {
+            let event = events[n];
+            let dayString = _getEventDayAbbreviation(event.date.getDay());
+            let timeString = _formatEventTime(event, clockFormat);
+            let summaryString = event.summary;
+            this._addEvent(dayNameBox, timeBox, eventTitleBox, includeDayName, dayString, timeString, summaryString);
+        }
+
+        if (events.length == 0 && showNothingScheduled) {
+            let now = new Date();
+            /* Translators: Text to show if there are no events */
+            let nothingEvent = new CalendarEvent(now, now, _("Nothing Scheduled"), true);
+            let timeString = _formatEventTime(nothingEvent, clockFormat);
+            this._addEvent(dayNameBox, timeBox, eventTitleBox, false, "", timeString, nothingEvent.summary);
+        }
+    },
+
+    _showOtherDay: function(day) {
+        this.actor.destroy_children();
+
+        let dayBegin = _getBeginningOfDay(day);
+        let dayEnd = _getEndOfDay(day);
+
+        let dayString;
+        let now = new Date();
+        if (_sameYear(day, now))
+            /* Translators: Shown on calendar heading when selected day occurs on current year */
+            dayString = day.toLocaleFormat(C_("calendar heading", "%A, %B %d"));
+        else
+            /* Translators: Shown on calendar heading when selected day occurs on different year */
+            dayString = day.toLocaleFormat(C_("calendar heading", "%A, %B %d, %Y"));
+        this._addPeriod(dayString, dayBegin, dayEnd, false, true);
+    },
+
+    _showToday: function() {
+        this.actor.destroy_children();
+
+        let now = new Date();
+        let dayBegin = _getBeginningOfDay(now);
+        let dayEnd = _getEndOfDay(now);
+        this._addPeriod(_("Today"), dayBegin, dayEnd, false, true);
+
+        let tomorrowBegin = new Date(dayBegin.getTime() + 86400 * 1000);
+        let tomorrowEnd = new Date(dayEnd.getTime() + 86400 * 1000);
+        this._addPeriod(_("Tomorrow"), tomorrowBegin, tomorrowEnd, false, true);
+
+        if (dayEnd.getDay() <= 4 + this._weekStart) {
+            /* If now is within the first 5 days we show "This week" and
+             * include events up until and including Saturday/Sunday
+             * (depending on whether a week starts on Sunday/Monday).
+             */
+            let thisWeekBegin = new Date(dayBegin.getTime() + 2 * 86400 * 1000);
+            let thisWeekEnd = new Date(dayEnd.getTime() + (6 + this._weekStart - dayEnd.getDay()) * 86400 * 1000);
+            this._addPeriod(_("This week"), thisWeekBegin, thisWeekEnd, true, false);
+        } else {
+            /* otherwise it's one of the two last days of the week ... show
+             * "Next week" and include events up until and including *next*
+             * Saturday/Sunday
+             */
+            let nextWeekBegin = new Date(dayBegin.getTime() + 2 * 86400 * 1000);
+            let nextWeekEnd = new Date(dayEnd.getTime() + (13 + this._weekStart - dayEnd.getDay()) * 86400 * 1000);
+            this._addPeriod(_("Next week"), nextWeekBegin, nextWeekEnd, true, false);
+        }
+    },
+
+    // Sets the event list to show events from a specific date
+    setDate: function(date) {
+        if (!_sameDay(date, this._date)) {
+            this._date = date;
+            this._update();
+        }
+    },
+
+    _update: function() {
+        let today = new Date();
+        if (_sameDay (this._date, today)) {
+            this._showToday();
+        } else {
+            this._showOtherDay(this._date);
+        }
    }
 };
--- a/js/ui/chrome.js
+++ b/js/ui/chrome.js
@ -13,12 +13,6 @@ const Params = imports.misc.params;
 // normal mode (ie, outside the Overview), that surrounds the main
 // workspace content.

-const Visibility = {
-    FULL:       1,
-    FULLSCREEN: 2,
-    OVERVIEW:   3
-};
-
 const defaultParams = {
    visibleInOverview: false,
    visibleInFullscreen: false,
@ -37,12 +31,13 @@ Chrome.prototype = {
        Main.uiGroup.add_actor(this.actor);
        this.actor.connect('allocate', Lang.bind(this, this._allocated));

-        this._inFullscreen = false;
+        this._monitors = [];
        this._inOverview = false;
-        this.visibility = Visibility.FULL;

        this._trackedActors = [];

+        global.screen.connect('monitors-changed',
+                              Lang.bind(this, this._monitorsChanged));
        global.screen.connect('restacked',
                              Lang.bind(this, this._windowsRestacked));

@ -55,6 +50,8 @@ Chrome.prototype = {
        Main.overview.connect('hidden',
                             Lang.bind(this, this._overviewHidden));

+        this._updateMonitors();
+        this._updateFullscreen();
        this._queueUpdateRegions();
    },

@ -194,24 +191,12 @@ Chrome.prototype = {
            let actorData = this._trackedActors[i];
            if (this._inOverview && !actorData.visibleInOverview)
                this.actor.set_skip_paint(actorData.actor, true);
-            else if (!this._inOverview && this._inFullscreen && !actorData.visibleInFullscreen)
+            else if (!this._inOverview && !actorData.visibleInFullscreen &&
+                     this._findMonitorForActor(actorData.actor).inFullscreen)
                this.actor.set_skip_paint(actorData.actor, true);
            else
                this.actor.set_skip_paint(actorData.actor, false);
        }
-
-        let newVisibility;
-        if (this._inOverview)
-            newVisibility = Visibility.OVERVIEW;
-        else if (this._inFullscreen)
-            newVisibility = Visibility.FULLSCREEN;
-        else
-            newVisibility = Visibility.FULL;
-
-        if (newVisibility != this.visibility) {
-            this.visibility = newVisibility;
-            this.emit('visibility-changed', this.visibility);
-        }
    },

    _overviewShowing: function() {
@ -226,15 +211,77 @@ Chrome.prototype = {
        this._queueUpdateRegions();
    },

+    _updateMonitors: function() {
+        let monitors = global.get_monitors();
+        let primary = global.get_primary_monitor();
+        this._monitors = monitors;
+        for (let i = 0; i < monitors.length; i++) {
+            let monitor = monitors[i];
+            if (monitor.x == primary.x &&
+                monitor.y == primary.y &&
+                monitor.width == primary.width &&
+                monitor.height == primary.height)
+                this._primaryMonitor = monitor;
+        }
+    },
+
+    _findMonitorForRect: function(x, y, w, h) {
+        // First look at what monitor the center of the rectangle is at
+        let cx = x + w/2;
+        let cy = y + h/2;
+        for (let i = 0; i < this._monitors.length; i++) {
+            let monitor = this._monitors[i];
+            if (cx >= monitor.x && cx < monitor.x + monitor.width &&
+                cy >= monitor.y && cy < monitor.y + monitor.height)
+                return monitor;
+        }
+        // If the center is not on a monitor, return the first overlapping monitor
+        for (let i = 0; i < this._monitors.length; i++) {
+            let monitor = this._monitors[i];
+            if (x + w > monitor.x && x < monitor.x + monitor.width &&
+                y + h > monitor.y && y < monitor.y + monitor.height)
+                return monitor;
+        }
+        // otherwise on no monitor
+        return null;
+    },
+
+    _findMonitorForWindow: function(window) {
+        return this._findMonitorForRect(window.x, window.y, window.width, window.height);
+    },
+
+    // This call guarantees that we return some monitor to simplify usage of it
+    // In practice all tracked actors should be visible on some monitor anyway
+    _findMonitorForActor: function(actor) {
+        let [x, y] = actor.get_transformed_position();
+        let [w, h] = actor.get_transformed_size();
+        let monitor = this._findMonitorForRect(x, y, w, h);
+        if (monitor)
+            return monitor;
+        return this._primaryMonitor; // Not on any monitor, pretend its on the primary
+    },
+
+    _monitorsChanged: function() {
+        this._updateMonitors();
+
+        // Update everything that depends on monitor positions
+        this._updateFullscreen();
+        this._updateVisibility();
+        this._queueUpdateRegions();
+    },
+
    _queueUpdateRegions: function() {
        if (!this._updateRegionIdle)
            this._updateRegionIdle = Mainloop.idle_add(Lang.bind(this, this._updateRegions),
                                                       Meta.PRIORITY_BEFORE_REDRAW);
    },

-    _windowsRestacked: function() {
-        let windows = global.get_windows();
-        let primary = global.get_primary_monitor();
+    _updateFullscreen: function() {
+        let windows = Main.getWindowActorsForWorkspace(global.screen.get_active_workspace_index());
+
+        // Reset all monitors to not fullscreen
+        for (let i = 0; i < this._monitors.length; i++)
+            this._monitors[i].inFullscreen = false;

        // The chrome layer should be visible unless there is a window
        // with layer FULLSCREEN, or a window with layer
@ -248,42 +295,51 @@ Chrome.prototype = {

        // @windows is sorted bottom to top.

-        let wasInFullscreen = this._inFullscreen;
-        this._inFullscreen = false;
        for (let i = windows.length - 1; i > -1; i--) {
-            let layer = windows[i].get_meta_window().get_layer();
-
-            // There are 3 cases we check here for:
-            // 1.) Monitor sized window
-            // 2.) Window with a position somewhere on the primary screen having the _NET_WM_FULLSCREEN flag set
-            // 3.) Window that is partly off screen (tries to hide its decorations) which might have negative coords
-            // We check for 1.) and 2.) by checking if the upper right corner is on the primary monitor, but avoid the case
-            // where it overlaps with the secondary screen (like window.x + window.width == primary.x + primary.width)
-            // For 3.) we just ignore negative values as they don't really make sense
+            let window = windows[i];
+            let layer = window.get_meta_window().get_layer();

            if (layer == Meta.StackLayer.FULLSCREEN) {
-                if (Math.max(windows[i].x, 0) >= primary.x && Math.max(windows[i].x, 0) < primary.x + primary.width &&
-                    Math.max(windows[i].y, 0) >= primary.y && Math.max(windows[i].y, 0) < primary.y + primary.height) {
-                        this._inFullscreen = true;
-                        break;
-                }
+                let monitor = this._findMonitorForWindow(window);
+                if (monitor)
+                    monitor.inFullscreen = true;
            }
            if (layer == Meta.StackLayer.OVERRIDE_REDIRECT) {
-                if (windows[i].x <= primary.x &&
-                    windows[i].x + windows[i].width >= primary.x + primary.width &&
-                    windows[i].y <= primary.y &&
-                    windows[i].y + windows[i].height >= primary.y + primary.height) {
-                    this._inFullscreen = true;
-                    break;
-                }
+                let monitor = this._findMonitorForWindow(window);
+                if (monitor &&
+                    window.x <= monitor.x &&
+                    window.x + window.width >= monitor.x + monitor.width &&
+                    window.y <= monitor.y &&
+                    window.y + window.height >= monitor.y + monitor.height)
+                    monitor.inFullscreen = true;
            } else
                break;
        }
+    },

-        if (this._inFullscreen != wasInFullscreen) {
+    _windowsRestacked: function() {
+        let wasInFullscreen = [];
+        for (let i = 0; i < this._monitors.length; i++)
+            wasInFullscreen[i] = this._monitors[i].inFullscreen;
+
+        this._updateFullscreen();
+
+        let changed = false;
+        for (let i = 0; i < wasInFullscreen.length; i++) {
+            if (wasInFullscreen[i] != this._monitors[i].inFullscreen) {
+                changed = true;
+                break;
+            }
+        }
+        if (changed) {
            this._updateVisibility();
            this._queueUpdateRegions();
        }
+
+        // Figure out where the pointer is in case we lost track of
+        // it during a grab. (In particular, if a trayicon popup menu
+        // is dismissed, see if we need to close the message tray.)
+        global.sync_pointer();
    },

    _updateRegions: function() {
@ -312,41 +368,75 @@ Chrome.prototype = {
            if (!actorData.affectsStruts)
                continue;

+            // Limit struts to the size of the screen
+            let x1 = Math.max(x, 0);
+            let x2 = Math.min(x + w, global.screen_width);
+            let y1 = Math.max(y, 0);
+            let y2 = Math.min(y + h, global.screen_height);
+
+            // NetWM struts are not really powerful enought to handle
+            // a multi-monitor scenario, they only describe what happens
+            // around the outer sides of the full display region. However
+            // it can describe a partial region along each side, so
+            // we can support having the struts only affect the
+            // primary monitor. This should be enough as we only have
+            // chrome affecting the struts on the primary monitor so
+            // far.
+            //
            // Metacity wants to know what side of the screen the
            // strut is considered to be attached to. If the actor is
            // only touching one edge, or is touching the entire
-            // width/height of one edge, then it's obvious which side
-            // to call it. If it's in a corner, we pick a side
+            // border of the primary monitor, then it's obvious which
+            // side to call it. If it's in a corner, we pick a side
            // arbitrarily. If it doesn't touch any edges, or it spans
            // the width/height across the middle of the screen, then
            // we don't create a strut for it at all.
            let side;
-            if (w >= global.screen_width) {
-                if (y <= 0)
+            let primary = this._primaryMonitor;
+            if (x1 <= primary.x && x2 >= primary.x + primary.width) {
+                if (y1 <= primary.y)
                    side = Meta.Side.TOP;
-                else if (y + h >= global.screen_height)
+                else if (y2 >= primary.y + primary.height)
                    side = Meta.Side.BOTTOM;
                else
                    continue;
-            } else if (h >= global.screen_height) {
-                if (x <= 0)
+            } else if (y1 <= primary.y && y2 >= primary.y + primary.height) {
+                if (x1 <= 0)
                    side = Meta.Side.LEFT;
-                else if (x + w >= global.screen_width)
+                else if (x2 >= global.screen_width)
                    side = Meta.Side.RIGHT;
                else
                    continue;
-            } else if (x <= 0)
+            } else if (x1 <= 0)
                side = Meta.Side.LEFT;
-            else if (y <= 0)
+            else if (y1 <= 0)
                side = Meta.Side.TOP;
-            else if (x + w >= global.screen_width)
+            else if (x2 >= global.screen_width)
                side = Meta.Side.RIGHT;
-            else if (y + h >= global.screen_height)
+            else if (y2 >= global.screen_height)
                side = Meta.Side.BOTTOM;
            else
                continue;

-            let strut = new Meta.Strut({ rect: rect, side: side });
+            // Ensure that the strut rects goes all the way to the screen edge,
+            // as this really what mutter expects.
+            switch (side) {
+            case Meta.Side.TOP:
+                y1 = 0;
+                break;
+            case Meta.Side.BOTTOM:
+                y2 = global.screen_height;
+                break;
+            case Meta.Side.LEFT:
+                x1 = 0;
+                break;
+            case Meta.Side.RIGHT:
+                x2 = global.screen_width;
+                break;
+            }
+
+            let strutRect = new Meta.Rectangle({ x: x1, y: y1, width: x2 - x1, height: y2 - y1});
+            let strut = new Meta.Strut({ rect: strutRect, side: side });
            struts.push(strut);
        }

--- a/js/ui/ctrlAltTab.js
+++ b/js/ui/ctrlAltTab.js
@ -0,0 +1,328 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const Gdk = imports.gi.Gdk;
+const Gtk = imports.gi.Gtk;
+const Lang = imports.lang;
+const Meta = imports.gi.Meta;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+
+const AltTab = imports.ui.altTab;
+const Main = imports.ui.main;
+const Params = imports.misc.params;
+const Tweener = imports.ui.tweener;
+
+const POPUP_APPICON_SIZE = 96;
+const POPUP_FADE_TIME = 0.1; // seconds
+
+const SortGroup = {
+    TOP:    0,
+    MIDDLE: 1,
+    BOTTOM: 2
+};
+
+function CtrlAltTabManager() {
+    this._init();
+}
+
+CtrlAltTabManager.prototype = {
+    _init: function() {
+        this._items = [];
+        this._focusManager = St.FocusManager.get_for_stage(global.stage);
+    },
+
+    addGroup: function(root, name, icon, params) {
+        let item = Params.parse(params, { sortGroup: SortGroup.MIDDLE,
+                                          proxy: root,
+                                          focusCallback: null });
+
+        item.root = root;
+        item.name = name;
+        item.iconName = icon;
+
+        this._items.push(item);
+        root.connect('destroy', Lang.bind(this, function() { this.removeGroup(root); }));
+        this._focusManager.add_group(root);
+    },
+
+    removeGroup: function(root) {
+        this._focusManager.remove_group(root);
+        for (let i = 0; i < this._items.length; i++) {
+            if (this._items[i].root == root) {
+                this._items.splice(i, 1);
+                return;
+            }
+        }
+    },
+
+    focusGroup: function(item) {
+        if (global.stage_input_mode == Shell.StageInputMode.NONREACTIVE ||
+            global.stage_input_mode == Shell.StageInputMode.NORMAL)
+            global.set_stage_input_mode(Shell.StageInputMode.FOCUSED);
+
+        if (item.window)
+            Main.activateWindow(item.window);
+        else if (item.focusCallback)
+            item.focusCallback();
+        else
+            item.root.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
+    },
+
+    // Sort the items into a consistent order; panel first, tray last,
+    // and everything else in between, sorted by X coordinate, so that
+    // they will have the same left-to-right ordering in the
+    // Ctrl-Alt-Tab dialog as they do onscreen.
+    _sortItems: function(a, b) {
+        if (a.sortGroup != b.sortGroup)
+            return a.sortGroup - b.sortGroup;
+
+        let y;
+        if (a.x == undefined) {
+            if (a.window)
+                a.x = a.window.get_compositor_private().x;
+            else
+                [a.x, y] = a.proxy.get_transformed_position();
+        }
+        if (b.x == undefined) {
+            if (b.window)
+                b.x = b.window.get_compositor_private().x;
+            else
+                [b.x, y] = b.proxy.get_transformed_position();
+        }
+
+        return a.x - b.x;
+    },
+
+    popup: function(backwards) {
+        // Start with the set of focus groups that are currently mapped
+        let items = this._items.filter(function (item) { return item.proxy.mapped; });
+
+        // And add the windows metacity would show in its Ctrl-Alt-Tab list
+        if (!Main.overview.visible) {
+            let screen = global.screen;
+            let display = screen.get_display();
+            let windows = display.get_tab_list(Meta.TabList.DOCKS, screen, screen.get_active_workspace ());
+            let windowTracker = Shell.WindowTracker.get_default();
+            let textureCache = St.TextureCache.get_default();
+            for (let i = 0; i < windows.length; i++) {
+                let icon;
+                let app = windowTracker.get_window_app(windows[i]);
+                if (app)
+                    icon = app.create_icon_texture(POPUP_APPICON_SIZE);
+                else
+                    icon = textureCache.bind_pixbuf_property(windows[i], 'icon');
+                items.push({ window: windows[i],
+                             name: windows[i].title,
+                             iconActor: icon,
+                             sortGroup: SortGroup.MIDDLE });
+            }
+        }
+
+        if (!items.length)
+            return;
+
+        items.sort(Lang.bind(this, this._sortItems));
+        new CtrlAltTabPopup().show(items, backwards);
+    }
+};
+
+function mod(a, b) {
+    return (a + b) % b;
+}
+
+function CtrlAltTabPopup() {
+    this._init();
+}
+
+CtrlAltTabPopup.prototype = {
+    _init : function() {
+        this.actor = new Shell.GenericContainer({ name: 'ctrlAltTabPopup',
+                                                  reactive: true });
+
+        this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
+        this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
+        this.actor.connect('allocate', Lang.bind(this, this._allocate));
+
+        this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
+
+        this._haveModal = false;
+        this._selection = 0;
+
+        Main.uiGroup.add_actor(this.actor);
+    },
+
+    _getPreferredWidth: function (actor, forHeight, alloc) {
+        let primary = global.get_primary_monitor();
+
+        alloc.min_size = primary.width;
+        alloc.natural_size = primary.width;
+    },
+
+    _getPreferredHeight: function (actor, forWidth, alloc) {
+        let primary = global.get_primary_monitor();
+
+        alloc.min_size = primary.height;
+        alloc.natural_size = primary.height;
+    },
+
+    _allocate: function (actor, box, flags) {
+        let childBox = new Clutter.ActorBox();
+        let primary = global.get_primary_monitor();
+
+        let leftPadding = this.actor.get_theme_node().get_padding(St.Side.LEFT);
+        let vPadding = this.actor.get_theme_node().get_vertical_padding();
+        let hPadding = this.actor.get_theme_node().get_horizontal_padding();
+
+        let [childMinHeight, childNaturalHeight] = this._switcher.actor.get_preferred_height(primary.width - hPadding);
+        let [childMinWidth, childNaturalWidth] = this._switcher.actor.get_preferred_width(childNaturalHeight);
+        childBox.x1 = Math.max(primary.x + leftPadding, primary.x + Math.floor((primary.width - childNaturalWidth) / 2));
+        childBox.x2 = Math.min(primary.width - hPadding, childBox.x1 + childNaturalWidth);
+        childBox.y1 = primary.y + Math.floor((primary.height - childNaturalHeight) / 2);
+        childBox.y2 = childBox.y1 + childNaturalHeight;
+        this._switcher.actor.allocate(childBox, flags);
+    },
+
+    show : function(items, startBackwards) {
+        if (!Main.pushModal(this.actor))
+            return false;
+        this._haveModal = true;
+
+        this._keyPressEventId = this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
+        this._keyReleaseEventId = this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
+
+        this._items = items;
+        this._switcher = new CtrlAltTabSwitcher(items);
+        this.actor.add_actor(this._switcher.actor);
+
+        if (startBackwards)
+            this._selection = this._items.length - 1;
+        this._select(this._selection);
+
+        let [x, y, mods] = global.get_pointer();
+        if (!(mods & Gdk.ModifierType.MOD1_MASK)) {
+            this._finish();
+            return false;
+        }
+
+        this.actor.opacity = 0;
+        this.actor.show();
+        Tweener.addTween(this.actor,
+                         { opacity: 255,
+                           time: POPUP_FADE_TIME,
+                           transition: 'easeOutQuad'
+                         });
+
+        return true;
+    },
+
+    _next : function() {
+        return mod(this._selection + 1, this._items.length);
+    },
+
+    _previous : function() {
+        return mod(this._selection - 1, this._items.length);
+    },
+
+    _keyPressEvent : function(actor, event) {
+        let keysym = event.get_key_symbol();
+        let shift = (Shell.get_event_state(event) & Clutter.ModifierType.SHIFT_MASK);
+        if (shift && keysym == Clutter.KEY_Tab)
+            keysym = Clutter.ISO_Left_Tab;
+
+        if (keysym == Clutter.KEY_Escape)
+            this.destroy();
+        else if (keysym == Clutter.KEY_Tab)
+            this._select(this._next());
+        else if (keysym == Clutter.KEY_ISO_Left_Tab)
+            this._select(this._previous());
+        else if (keysym == Clutter.KEY_Left)
+            this._select(this._previous());
+        else if (keysym == Clutter.KEY_Right)
+            this._select(this._next());
+
+        return true;
+    },
+
+    _keyReleaseEvent : function(actor, event) {
+        let [x, y, mods] = global.get_pointer();
+        let state = mods & Clutter.ModifierType.MOD1_MASK;
+
+        if (state == 0)
+            this._finish();
+
+        return true;
+    },
+
+    _finish : function() {
+        this.destroy();
+
+        Main.ctrlAltTabManager.focusGroup(this._items[this._selection]);
+    },
+
+    _popModal: function() {
+        if (this._haveModal) {
+            Main.popModal(this.actor);
+            this._haveModal = false;
+        }
+    },
+
+    destroy : function() {
+        this._popModal();
+        Tweener.addTween(this.actor,
+                         { opacity: 0,
+                           time: POPUP_FADE_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: Lang.bind(this,
+                               function() {
+                                   this.actor.destroy();
+                               })
+                         });
+    },
+
+    _onDestroy : function() {
+        this._popModal();
+        if (this._keyPressEventId)
+            this.actor.disconnect(this._keyPressEventId);
+        if (this._keyReleaseEventId)
+            this.actor.disconnect(this._keyReleaseEventId);
+    },
+
+    _select : function(num) {
+        this._selection = num;
+        this._switcher.highlight(num);
+    }
+};
+
+function CtrlAltTabSwitcher(items) {
+    this._init(items);
+}
+
+CtrlAltTabSwitcher.prototype = {
+    __proto__ : AltTab.SwitcherList.prototype,
+
+    _init : function(items) {
+        AltTab.SwitcherList.prototype._init.call(this, true);
+
+        for (let i = 0; i < items.length; i++)
+            this._addIcon(items[i]);
+    },
+
+    _addIcon : function(item) {
+        let box = new St.BoxLayout({ style_class: 'alt-tab-app',
+                                     vertical: true });
+
+        let icon = item.iconActor;
+        if (!icon) {
+            icon = new St.Icon({ icon_name: item.iconName,
+                                 icon_type: St.IconType.SYMBOLIC,
+                                 icon_size: POPUP_APPICON_SIZE });
+        }
+        box.add(icon, { x_fill: false, y_fill: false } );
+
+        let text = new St.Label({ text: item.name });
+        box.add(text, { x_fill: false });
+
+        this.addItem(box);
+    }
+};
--- a/js/ui/dash.js
+++ b/js/ui/dash.js
--- a/js/ui/dateMenu.js
+++ b/js/ui/dateMenu.js
@ -0,0 +1,212 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const GLib = imports.gi.GLib;
+const Gio = imports.gi.Gio;
+const Lang = imports.lang;
+const Mainloop = imports.mainloop;
+const Cairo = imports.cairo;
+const Clutter = imports.gi.Clutter;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const Util = imports.misc.util;
+const Main = imports.ui.main;
+const PanelMenu = imports.ui.panelMenu;
+const PopupMenu = imports.ui.popupMenu;
+const Calendar = imports.ui.calendar;
+
+// in org.gnome.desktop.interface
+const CLOCK_FORMAT_KEY        = 'clock-format';
+
+// in org.gnome.shell.clock
+const CLOCK_SHOW_DATE_KEY     = 'show-date';
+const CLOCK_SHOW_SECONDS_KEY  = 'show-seconds';
+
+function _onVertSepRepaint (area)
+{
+    let cr = area.get_context();
+    let themeNode = area.get_theme_node();
+    let [width, height] = area.get_surface_size();
+    let stippleColor = themeNode.get_color('-stipple-color');
+    let stippleWidth = themeNode.get_length('-stipple-width');
+    let x = Math.floor(width/2) + 0.5;
+    cr.moveTo(x, 0);
+    cr.lineTo(x, height);
+    Clutter.cairo_set_source_color(cr, stippleColor);
+    cr.setDash([1, 3], 1); // Hard-code for now
+    cr.setLineWidth(stippleWidth);
+    cr.stroke();
+};
+
+function DateMenuButton() {
+    this._init();
+}
+
+DateMenuButton.prototype = {
+    __proto__: PanelMenu.Button.prototype,
+
+    _init: function() {
+        let item;
+        let hbox;
+        let vbox;
+
+        this._eventSource = new Calendar.DBusEventSource();
+
+        let menuAlignment = 0.25;
+        if (St.Widget.get_default_direction() == St.TextDirection.RTL)
+            menuAlignment = 1.0 - menuAlignment;
+        PanelMenu.Button.prototype._init.call(this, menuAlignment);
+
+        this._clock = new St.Label();
+        this.actor.set_child(this._clock);
+
+        hbox = new St.BoxLayout({name: 'calendarArea'});
+        this.menu.addActor(hbox);
+
+        // Fill up the first column
+
+        vbox = new St.BoxLayout({vertical: true});
+        hbox.add(vbox);
+
+        // Date
+        this._date = new St.Label();
+        this._date.style_class = 'datemenu-date-label';
+        vbox.add(this._date);
+
+        this._eventList = new Calendar.EventsList(this._eventSource);
+
+        // Calendar
+        this._calendar = new Calendar.Calendar(this._eventSource);
+        this._calendar.connect('selected-date-changed',
+                               Lang.bind(this, function(calendar, date) {
+                                   this._eventList.setDate(date);
+                               }));
+        vbox.add(this._calendar.actor);
+
+        item = new PopupMenu.PopupSeparatorMenuItem();
+        item.setColumnWidths(1);
+        vbox.add(item.actor, {y_align: St.Align.END, expand: true, y_fill: false});
+        item = new PopupMenu.PopupMenuItem(_("Date and Time Settings"));
+        item.connect('activate', Lang.bind(this, this._onPreferencesActivate));
+        item.actor.can_focus = false;
+        vbox.add(item.actor);
+
+        // Add vertical separator
+
+        item = new St.DrawingArea({ style_class: 'calendar-vertical-separator',
+                                    pseudo_class: 'highlighted' });
+        item.connect('repaint', Lang.bind(this, _onVertSepRepaint));
+        hbox.add(item);
+
+        // Fill up the second column
+
+        vbox = new St.BoxLayout({vertical: true});
+        hbox.add(vbox, { expand: true });
+
+        // Event list
+        vbox.add(this._eventList.actor, { expand: true });
+
+        item = new PopupMenu.PopupMenuItem(_("Open Calendar"));
+        item.connect('activate', Lang.bind(this, this._onOpenCalendarActivate));
+        item.actor.can_focus = false;
+        vbox.add(item.actor, {y_align: St.Align.END, expand: true, y_fill: false});
+
+        // Whenever the menu is opened, select today
+        this.menu.connect('open-state-changed', Lang.bind(this, function(menu, isOpen) {
+            if (isOpen) {
+                let now = new Date();
+                /* Passing true to setDate() forces events to be reloaded. We
+                 * want this behavior, because
+                 *
+                 *   o It will cause activation of the calendar server which is
+                 *     useful if it has crashed
+                 *
+                 *   o It will cause the calendar server to reload events which
+                 *     is useful if dynamic updates are not supported or not
+                 *     properly working
+                 *
+                 * Since this only happens when the menu is opened, the cost
+                 * isn't very big.
+                 */
+                this._calendar.setDate(now, true);
+                // No need to update this._eventList as ::selected-date-changed
+                // signal will fire
+            }
+        }));
+
+        // Done with hbox for calendar and event list
+
+        // Track changes to clock settings
+        this._desktopSettings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' });
+        this._clockSettings = new Gio.Settings({ schema: 'org.gnome.shell.clock' });
+        this._desktopSettings.connect('changed', Lang.bind(this, this._updateClockAndDate));
+        this._clockSettings.connect('changed', Lang.bind(this, this._updateClockAndDate));
+
+        // Start the clock
+        this._updateClockAndDate();
+    },
+
+    _updateClockAndDate: function() {
+        let format = this._desktopSettings.get_string(CLOCK_FORMAT_KEY);
+        let showDate = this._clockSettings.get_boolean(CLOCK_SHOW_DATE_KEY);
+        let showSeconds = this._clockSettings.get_boolean(CLOCK_SHOW_SECONDS_KEY);
+
+        let clockFormat;
+        let dateFormat;
+
+        switch (format) {
+            case '24h':
+                if (showDate)
+	            /* Translators: This is the time format with date used
+                       in 24-hour mode. */
+                    clockFormat = showSeconds ? _("%a %b %e, %R:%S")
+                                              : _("%a %b %e, %R");
+                else
+	            /* Translators: This is the time format without date used
+                       in 24-hour mode. */
+                    clockFormat = showSeconds ? _("%a %R:%S")
+                                              : _("%a %R");
+                break;
+            case '12h':
+            default:
+                if (showDate)
+	            /* Translators: This is a time format with date used
+                       for AM/PM. */
+                    clockFormat = showSeconds ? _("%a %b %e, %l:%M:%S %p")
+                                              : _("%a %b %e, %l:%M %p");
+                else
+	            /* Translators: This is a time format without date used
+                       for AM/PM. */
+                    clockFormat = showSeconds ? _("%a %l:%M:%S %p")
+                                              : _("%a %l:%M %p");
+                break;
+        }
+
+        let displayDate = new Date();
+
+        this._clock.set_text(displayDate.toLocaleFormat(clockFormat));
+
+        /* Translators: This is the date format to use when the calendar popup is
+         * shown - it is shown just below the time in the shell (e.g. "Tue 9:29 AM").
+         */
+        dateFormat = _("%A %B %e, %Y");
+        this._date.set_text(displayDate.toLocaleFormat(dateFormat));
+
+        Mainloop.timeout_add_seconds(1, Lang.bind(this, this._updateClockAndDate));
+        return false;
+    },
+
+    _onPreferencesActivate: function() {
+        this.menu.close();
+        let app = Shell.AppSystem.get_default().get_app('gnome-datetime-panel.desktop');
+        app.activate(-1);
+    },
+
+    _onOpenCalendarActivate: function() {
+        this.menu.close();
+        // TODO: pass the selected day
+        Util.spawn(['evolution', '-c', 'calendar']);
+    }
+};
--- a/js/ui/dnd.js
+++ b/js/ui/dnd.js
@ -26,9 +26,9 @@ const DragMotionResult = {
 };

 const DRAG_CURSOR_MAP = {
-    0: Shell.Cursor.UNSUPPORTED_TARGET,
-    1: Shell.Cursor.COPY,
-    2: Shell.Cursor.MOVE
+    0: Shell.Cursor.DND_UNSUPPORTED_TARGET,
+    1: Shell.Cursor.DND_COPY,
+    2: Shell.Cursor.DND_MOVE
 };

 const DragDropResult = {
@ -86,6 +86,13 @@ _Draggable.prototype = {
                               Lang.bind(this, this._onButtonPress));

        this.actor.connect('destroy', Lang.bind(this, function() {
+            this._actorDestroyed = true;
+            // If the drag actor is destroyed and we were going to fix
+            // up its hover state, fix up the parent hover state instead
+            if (this.actor == this._firstLeaveActor)
+                this._firstLeaveActor = this._dragOrigParent;
+            if (this._dragInProgress)
+                this._cancelDrag(global.get_current_time());
            this.disconnectAll();
        }));
        this._onEventId = null;
@ -97,6 +104,14 @@ _Draggable.prototype = {
        this._buttonDown = false; // The mouse button has been pressed and has not yet been released.
        this._dragInProgress = false; // The drag has been started, and has not been dropped or cancelled yet.
        this._animationInProgress = false; // The drag is over and the item is in the process of animating to its original position (snapping back or reverting).
+
+        // During the drag, we eat enter/leave events so that actors don't prelight or show
+        // tooltips. But we remember the actors that we first left/last entered so we can
+        // fix up the hover state after the drag ends.
+        this._firstLeaveActor = null;
+        this._lastEnterActor = null;
+
+        this._eventsGrabbed = false;
    },

    _onButtonPress : function (actor, event) {
@ -107,11 +122,11 @@ _Draggable.prototype = {
            return false;

        this._buttonDown = true;
-        // special case St.Clickable: grabbing the pointer would mess up the
+        // special case St.Button: grabbing the pointer would mess up the
        // internal state, so we start the drag manually on hover change
-        if (this.actor instanceof St.Clickable)
+        if (this.actor instanceof St.Button)
            this.actor.connect('notify::hover',
-                               Lang.bind(this, this._onClickableHoverChanged));
+                               Lang.bind(this, this._onButtonHoverChanged));
        else
            this._grabActor();

@ -122,8 +137,8 @@ _Draggable.prototype = {
        return false;
    },

-    _onClickableHoverChanged: function(button) {
-        if (button.hover || !button.held)
+    _onButtonHoverChanged: function(button) {
+        if (button.hover || !button.pressed)
            return;

        button.fake_release();
@ -139,18 +154,26 @@ _Draggable.prototype = {

    _ungrabActor: function() {
        Clutter.ungrab_pointer();
+        if (!this._onEventId)
+            return;
        this.actor.disconnect(this._onEventId);
        this._onEventId = null;
    },

    _grabEvents: function() {
-        Clutter.grab_pointer(_getEventHandlerActor());
-        Clutter.grab_keyboard(_getEventHandlerActor());
+        if (!this._eventsGrabbed) {
+            Clutter.grab_pointer(_getEventHandlerActor());
+            Clutter.grab_keyboard(_getEventHandlerActor());
+            this._eventsGrabbed = true;
+        }
    },

    _ungrabEvents: function() {
-        Clutter.ungrab_pointer();
-        Clutter.ungrab_keyboard();
+        if (this._eventsGrabbed) {
+            Clutter.ungrab_pointer();
+            Clutter.ungrab_keyboard();
+            this._eventsGrabbed = false;
+        }
    },

    _onEvent: function(actor, event) {
@ -187,6 +210,11 @@ _Draggable.prototype = {
                this._cancelDrag(event.get_time());
                return true;
            }
+        } else if (event.type() == Clutter.EventType.LEAVE) {
+            if (this._firstLeaveActor == null)
+                this._firstLeaveActor = event.get_source();
+        } else if (event.type() == Clutter.EventType.ENTER) {
+            this._lastEnterActor = event.get_source();
        }

        return false;
@ -210,7 +238,7 @@ _Draggable.prototype = {
        if (this._onEventId)
            this._ungrabActor();
        this._grabEvents();
-        global.set_cursor(Shell.Cursor.IN_DRAG);
+        global.set_cursor(Shell.Cursor.DND_IN_DRAG);

        this._dragX = this._dragStartX = stageX;
        this._dragY = this._dragStartY = stageY;
@ -264,6 +292,7 @@ _Draggable.prototype = {

        this._dragActor.reparent(this.actor.get_stage());
        this._dragActor.raise_top();
+        Shell.util_set_hidden_from_pick(this._dragActor, true);

        this._dragOrigOpacity = this._dragActor.opacity;
        if (this._dragActorOpacity != undefined)
@ -329,12 +358,8 @@ _Draggable.prototype = {
            this._dragActor.set_position(stageX + this._dragOffsetX,
                                         stageY + this._dragOffsetY);

-            // Because we want to find out what other actor is located at the current position of this._dragActor,
-            // we have to temporarily hide this._dragActor.
-            this._dragActor.hide();
            let target = this._dragActor.get_stage().get_actor_at_pos(Clutter.PickMode.ALL,
                                                                      stageX, stageY);
-            this._dragActor.show();

            // We call observers only once per motion with the innermost
            // target actor. If necessary, the observer can walk the
@ -374,20 +399,16 @@ _Draggable.prototype = {
                }
                target = target.get_parent();
            }
-            global.set_cursor(Shell.Cursor.IN_DRAG);
+            global.set_cursor(Shell.Cursor.DND_IN_DRAG);
        }

        return true;
    },

    _dragActorDropped: function(event) {
-        // Find a drop target. Because we want to find out what other actor is located at
-        // the current position of this._dragActor, we have to temporarily hide this._dragActor.
-        this._dragActor.hide();
        let [dropX, dropY] = event.get_coords();
        let target = this._dragActor.get_stage().get_actor_at_pos(Clutter.PickMode.ALL,
                                                                  dropX, dropY);
-        this._dragActor.show();

        // We call observers only once per motion with the innermost
        // target actor. If necessary, the observer can walk the
@ -417,6 +438,8 @@ _Draggable.prototype = {
                                                targX,
                                                targY,
                                                event.get_time())) {
+                    if (this._actorDestroyed)
+                        return true;
                    // If it accepted the drop without taking the actor,
                    // handle it ourselves.
                    if (this._dragActor.get_parent() == this._dragActor.get_stage()) {
@ -442,29 +465,61 @@ _Draggable.prototype = {
        return true;
    },

-    // Get position of the drag actor's source if the source is still around,
-    // or return the original location if the actor itself was being dragged
-    // or the source is no longer around.
    _getRestoreLocation: function() {
-        let locX = this._snapBackX;
-        let locY = this._snapBackY;
+        let x, y, scale;

-        if (this._dragActorSource && this._dragActorSource.visible)
-            [locX, locY] = this._dragActorSource.get_transformed_position();
-        return [locX, locY];
+        if (this._dragActorSource && this._dragActorSource.visible) {
+            // Snap the clone back to its source
+            [x, y] = this._dragActorSource.get_transformed_position();
+            let [sourceScaledWidth, sourceScaledHeight] = this._dragActorSource.get_transformed_size();
+            scale = this._dragActor.width / sourceScaledWidth;
+        } else if (this._dragOrigParent) {
+            // Snap the actor back to its original position within
+            // its parent, adjusting for the fact that the parent
+            // may have been moved or scaled
+            let [parentX, parentY] = this._dragOrigParent.get_transformed_position();
+            let [parentWidth, parentHeight] = this._dragOrigParent.get_size();
+            let [parentScaledWidth, parentScaledHeight] = this._dragOrigParent.get_transformed_size();
+            let parentScale = 1.0;
+            if (parentWidth != 0)
+                parentScale = parentScaledWidth / parentWidth;
+
+            x = parentX + parentScale * this._dragOrigX;
+            y = parentY + parentScale * this._dragOrigY;
+            scale = this._dragOrigScale * parentScale;
+        } else {
+            // Snap back actor to its original stage position
+            x = this._snapBackX;
+            y = this._snapBackY;
+            scale = this._snapBackScale;
+        }
+
+        return [x, y, scale];
    },

    _cancelDrag: function(eventTime) {
+        this.emit('drag-cancelled', eventTime);
        this._dragInProgress = false;
-        let [snapBackX, snapBackY] = this._getRestoreLocation();
+        let [snapBackX, snapBackY, snapBackScale] = this._getRestoreLocation();
+
+        if (this._actorDestroyed) {
+            global.unset_cursor();
+            if (!this._buttonDown)
+                this._dragComplete();
+            this.emit('drag-end', eventTime, false);
+            if (!this._dragOrigParent)
+                this._dragActor.destroy();
+
+            return;
+        }

        this._animationInProgress = true;
        // No target, so snap back
        Tweener.addTween(this._dragActor,
                         { x: snapBackX,
                           y: snapBackY,
-                           scale_x: this._snapBackScale,
-                           scale_y: this._snapBackScale,
+                           scale_x: snapBackScale,
+                           scale_y: snapBackScale,
                           opacity: this._dragOrigOpacity,
                           time: SNAP_BACK_ANIMATION_TIME,
                           transition: 'easeOutQuad',
@ -476,11 +531,11 @@ _Draggable.prototype = {

    _restoreDragActor: function(eventTime) {
        this._dragInProgress = false;
-        [restoreX, restoreY] = this._getRestoreLocation();
+        [restoreX, restoreY, restoreScale] = this._getRestoreLocation();

        // fade the actor back in at its original location
        this._dragActor.set_position(restoreX, restoreY);
-        this._dragActor.set_scale(this._snapBackScale, this._snapBackScale);
+        this._dragActor.set_scale(restoreScale, restoreScale);
        this._dragActor.opacity = 0;

        this._animationInProgress = true;
@ -510,10 +565,36 @@ _Draggable.prototype = {
            this._dragComplete();
    },

+    // Actor is an actor we have entered or left during the drag; call
+    // st_widget_sync_hover on all StWidget ancestors
+    _syncHover: function(actor) {
+        while (actor) {
+            let parent = actor.get_parent();
+            if (actor instanceof St.Widget)
+                actor.sync_hover();
+
+            actor = parent;
+        }
+    },
+
    _dragComplete: function() {
+        if (!this._actorDestroyed)
+            Shell.util_set_hidden_from_pick(this._dragActor, false);
+
+        this._ungrabEvents();
+
+        if (this._firstLeaveActor) {
+            this._syncHover(this._firstLeaveActor);
+            this._firstLeaveActor = null;
+        }
+
+        if (this._lastEnterActor) {
+            this._syncHover(this._lastEnterActor);
+            this._lastEnterActor = null;
+        }
+
        this._dragActor = undefined;
        currentDraggable = null;
-        this._ungrabEvents();
    }
 };

--- a/js/ui/docDisplay.js
+++ b/js/ui/docDisplay.js
@ -1,487 +1,12 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

-const Clutter = imports.gi.Clutter;
-const Lang = imports.lang;
-const Shell = imports.gi.Shell;
-const Signals = imports.signals;
-const St = imports.gi.St;
-const Mainloop = imports.mainloop;
 const Gettext = imports.gettext.domain('gnome-shell');
 const _ = Gettext.gettext;

 const DocInfo = imports.misc.docInfo;
-const DND = imports.ui.dnd;
-const GenericDisplay = imports.ui.genericDisplay;
-const Main = imports.ui.main;
+const Params = imports.misc.params;
 const Search = imports.ui.search;

-const MAX_DASH_DOCS = 50;
-const DASH_DOCS_ICON_SIZE = 16;
-
-const DEFAULT_SPACING = 4;
-
-/* This class represents a single display item containing information about a document.
- * We take the current number of seconds in the constructor to avoid looking up the current
- * time for every item when they are created in a batch.
- *
- * docInfo - DocInfo object containing information about the document
- * currentSeconds - current number of seconds since the epoch
- */
-function DocDisplayItem(docInfo, currentSecs) {
-    this._init(docInfo, currentSecs);
-}
-
-DocDisplayItem.prototype = {
-    __proto__:  GenericDisplay.GenericDisplayItem.prototype,
-
-    _init : function(docInfo, currentSecs) {
-        GenericDisplay.GenericDisplayItem.prototype._init.call(this);
-        this._docInfo = docInfo;
-
-        this._setItemInfo(docInfo.name, '');
-
-        this._timeoutTime = -1;
-        this._resetTimeDisplay(currentSecs);
-    },
-
-    //// Public methods ////
-
-    getUpdateTimeoutTime: function() {
-        return this._timeoutTime;
-    },
-
-    // Update any relative-time based displays for this item.
-    redisplay: function(currentSecs) {
-        this._resetTimeDisplay(currentSecs);
-    },
-
-    //// Public method overrides ////
-
-    // Opens a document represented by this display item.
-    launch : function() {
-        this._docInfo.launch();
-    },
-
-    //// Protected method overrides ////
-
-    // Returns an icon for the item.
-    _createIcon : function() {
-        return this._docInfo.createIcon(GenericDisplay.ITEM_DISPLAY_ICON_SIZE);
-    },
-
-    // Returns a preview icon for the item.
-    _createPreviewIcon : function() {
-        return this._docInfo.createIcon(GenericDisplay.PREVIEW_ICON_SIZE);
-    },
-
-    // Creates and returns a large preview icon, but only if this._docInfo is an image file
-    // and we were able to generate a pixbuf from it successfully.
-    _createLargePreviewIcon : function() {
-        if (this._docInfo.mimeType == null || this._docInfo.mimeType.indexOf('image/') != 0)
-            return null;
-
-        try {
-            return St.TextureCache.get_default().load_uri_sync(St.TextureCachePolicy.NONE,
-                                                               this._docInfo.uri, -1, -1);
-        } catch (e) {
-            // An exception will be raised when the image format isn't know
-            /* FIXME: http://bugzilla.gnome.org/show_bug.cgi?id=591480: should
-             *        only ignore GDK_PIXBUF_ERROR_UNKNOWN_TYPE. */
-            return null;
-        }
-    },
-
-    //// Drag and Drop ////
-
-    shellWorkspaceLaunch: function() {
-        this.launch();
-    },
-
-    //// Private Methods ////
-
-    // Updates the last visited time displayed in the description text for the item.
-    _resetTimeDisplay: function(currentSecs) {
-        let lastSecs = this._docInfo.timestamp;
-        let timeDelta = currentSecs - lastSecs;
-        let [text, nextUpdate] = global.format_time_relative_pretty(timeDelta);
-        this._timeoutTime = currentSecs + nextUpdate;
-        this._setDescriptionText(text);
-    }
-};
-
-/* This class represents a display containing a collection of document items.
- * The documents are sorted by how recently they were last visited.
- */
-function DocDisplay() {
-    this._init();
-}
-
-DocDisplay.prototype = {
-    __proto__:  GenericDisplay.GenericDisplay.prototype,
-
-    _init : function() {
-        GenericDisplay.GenericDisplay.prototype._init.call(this);
-        // We keep a single timeout callback for updating last visited times
-        // for all the items in the display. This avoids creating individual
-        // callbacks for each item in the display. So proper time updates
-        // for individual items and item details depend on the item being
-        // associated with one of the displays.
-        this._updateTimeoutTargetTime = -1;
-        this._updateTimeoutId = 0;
-
-        this._docManager = DocInfo.getDocManager();
-        this._docsStale = true;
-        this._docManager.connect('changed', Lang.bind(this, function(mgr, userData) {
-            this._docsStale = true;
-            // Changes in local recent files should not happen when we are in the Overview mode,
-            // but redisplaying right away is cool when we use Zephyr.
-            // Also, we might be displaying remote documents, like Google Docs, in the future
-            // which might be edited by someone else.
-            this._redisplay(GenericDisplay.RedisplayFlags.NONE);
-        }));
-
-        this.connect('destroy', Lang.bind(this, function (o) {
-            if (this._updateTimeoutId > 0)
-                Mainloop.source_remove(this._updateTimeoutId);
-        }));
-    },
-
-    //// Protected method overrides ////
-
-    // Gets the list of recent items from the recent items manager.
-    _refreshCache : function() {
-        if (!this._docsStale)
-            return true;
-        this._allItems = {};
-        Lang.copyProperties(this._docManager.getInfosByUri(), this._allItems);
-        this._docsStale = false;
-        return false;
-    },
-
-    // Sets the list of the displayed items based on how recently they were last visited.
-    _setDefaultList : function() {
-        // It seems to be an implementation detail of the Mozilla JavaScript that object
-        // properties are returned during the iteration in the same order in which they were
-        // defined, but it is not a guarantee according to this 
-        // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Statements/for...in
-        // While this._allItems associative array seems to always be ordered by last added,
-        // as the results of this._recentManager.get_items() based on which it is constructed are,
-        // we should do the sorting manually because we want the order to be based on last visited.
-        //
-        // This function is called each time the search string is set back to '' or we display
-        // the Overview, so we are doing the sorting over the same items multiple times if the list
-        // of recent items didn't change. We could store an additional array of doc ids and sort
-        // them once when they are returned by this._recentManager.get_items() to avoid having to do 
-        // this sorting each time, but the sorting seems to be very fast anyway, so there is no need
-        // to introduce an additional class variable.
-        this._matchedItems = {};
-        this._matchedItemKeys = [];
-        let docIdsToRemove = [];
-        for (docId in this._allItems) {
-            this._matchedItems[docId] = 1;
-            this._matchedItemKeys.push(docId);
-        }
-
-        for (docId in docIdsToRemove) {
-            delete this._allItems[docId];
-        }
-
-        this._matchedItemKeys.sort(Lang.bind(this, this._compareItems));
-    },
-
-    // Compares items associated with the item ids based on how recently the items
-    // were last visited.
-    // Returns an integer value indicating the result of the comparison.
-   _compareItems : function(itemIdA, itemIdB) {
-        let docA = this._allItems[itemIdA];
-        let docB = this._allItems[itemIdB];
-
-        return docB.timestamp - docA.timestamp;
-    },
-
-    // Checks if the item info can be a match for the search string by checking
-    // the name of the document. Item info is expected to be GtkRecentInfo.
-    // Returns a boolean flag indicating if itemInfo is a match.
-    _isInfoMatching : function(itemInfo, search) {
-        if (!itemInfo.exists())
-            return false;
- 
-        if (search == null || search == '')
-            return true;
-
-        let name = itemInfo.name.toLowerCase();
-        if (name.indexOf(search) >= 0)
-            return true;
-        // TODO: we can also check doc URIs, so that
-        // if you search for a directory name, we display recent files from it
-        return false;
-    },
-
-    // Creates a DocDisplayItem based on itemInfo, which is expected to be a DocInfo object.
-    _createDisplayItem: function(itemInfo) {
-        let currentSecs = new Date().getTime() / 1000;
-        let docDisplayItem = new DocDisplayItem(itemInfo, currentSecs);
-        this._updateTimeoutCallback(docDisplayItem, currentSecs);
-        return docDisplayItem;
-    },
-
-    //// Private Methods ////
-
-    // A callback function that redisplays the items, updating their descriptions,
-    // and sets up a new timeout callback.
-    _docTimeout: function () {
-        let currentSecs = new Date().getTime() / 1000;
-        this._updateTimeoutId = 0;
-        this._updateTimeoutTargetTime = -1;
-        for (let docId in this._displayedItems) {
-            let docDisplayItem = this._displayedItems[docId];
-            docDisplayItem.redisplay(currentSecs);          
-            this._updateTimeoutCallback(docDisplayItem, currentSecs);
-        }
-        return false;
-    },
-
-    // Updates the timeout callback if the timeout time for the docDisplayItem 
-    // is earlier than the target time for the current timeout callback.
-    _updateTimeoutCallback: function (docDisplayItem, currentSecs) {
-        let timeoutTime = docDisplayItem.getUpdateTimeoutTime();
-        if (this._updateTimeoutTargetTime < 0 || timeoutTime < this._updateTimeoutTargetTime) {
-            if (this._updateTimeoutId > 0)
-                Mainloop.source_remove(this._updateTimeoutId);
-            this._updateTimeoutId = Mainloop.timeout_add_seconds(timeoutTime - currentSecs, Lang.bind(this, this._docTimeout));
-            this._updateTimeoutTargetTime = timeoutTime;
-        }
-    }
-};
-
-Signals.addSignalMethods(DocDisplay.prototype);
-
-function DashDocDisplayItem(docInfo) {
-    this._init(docInfo);
-}
-
-DashDocDisplayItem.prototype = {
-    _init: function(docInfo) {
-        this._info = docInfo;
-        this._icon = docInfo.createIcon(DASH_DOCS_ICON_SIZE);
-
-        this.actor = new St.Clickable({ style_class: 'recent-docs-item',
-                                        reactive: true,
-                                        x_align: St.Align.START });
-
-        let box = new St.BoxLayout({ style_class: 'recent-docs-item-box' });
-        this.actor.set_child(box);
-
-        box.add(this._icon);
-
-        let text = new St.Label({ text: docInfo.name });
-        box.add(text);
-
-        this.actor.connect('clicked', Lang.bind(this, function () {
-            docInfo.launch();
-            Main.overview.hide();
-        }));
-
-        this.actor._delegate = this;
-        let draggable = DND.makeDraggable(this.actor);
-        draggable.connect('drag-begin',
-                          Lang.bind(this, function() {
-                              Main.overview.beginItemDrag(this);
-                          }));
-        draggable.connect('drag-end',
-                          Lang.bind(this, function() {
-                              Main.overview.endItemDrag(this);
-                          }));
-    },
-
-    getUri: function() {
-        return this._info.uri;
-    },
-
-    getDragActorSource: function() {
-        return this._icon;
-    },
-
-    getDragActor: function(stageX, stageY) {
-        this.dragActor = this._info.createIcon(DASH_DOCS_ICON_SIZE);
-        return this.dragActor;
-    },
-
-    //// Drag and drop functions ////
-
-    shellWorkspaceLaunch: function () {
-        this._info.launch();
-    }
-};
-
-/**
- * Class used to display two column recent documents in the dash
- */
-function DashDocDisplay() {
-    this._init();
-}
-
-DashDocDisplay.prototype = {
-    _init: function() {
-        this.actor = new Shell.GenericContainer();
-        this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
-        this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
-        this.actor.connect('allocate', Lang.bind(this, this._allocate));
-        this._workId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplay));
-
-        this._actorsByUri = {};
-
-        this._docManager = DocInfo.getDocManager();
-        this._docManager.connect('changed', Lang.bind(this, this._onDocsChanged));
-        this._pendingDocsChange = true;
-        this._checkDocExistence = false;
-    },
-
-    _getPreferredWidth: function(actor, forHeight, alloc) {
-        let children = actor.get_children();
-
-        // We use two columns maximum.  Just take the min and natural size of the
-        // first two items, even though strictly speaking it's not correct; we'd
-        // need to calculate how many items we could fit for the height, then
-        // take the biggest preferred width for each column.
-        // In practice the dash gets a fixed width anyways.
-
-        // If we have one child, add its minimum and natural size
-        if (children.length > 0) {
-            let [minSize, naturalSize] = children[0].get_preferred_width(forHeight);
-            alloc.min_size += minSize;
-            alloc.natural_size += naturalSize;
-        }
-        // If we have two, add its size, plus DEFAULT_SPACING
-        if (children.length > 1) {
-            let [minSize, naturalSize] = children[1].get_preferred_width(forHeight);
-            alloc.min_size += DEFAULT_SPACING + minSize;
-            alloc.natural_size += DEFAULT_SPACING + naturalSize;
-        }
-    },
-
-    _getPreferredHeight: function(actor, forWidth, alloc) {
-        let children = actor.get_children();
-
-        // The width of an item is our allocated width, minus spacing, divided in half.
-        this._itemWidth = Math.floor((forWidth - DEFAULT_SPACING) / 2);
-
-        let maxNatural = 0;
-        for (let i = 0; i < children.length; i++) {
-            let child = children[i];
-            let [minSize, naturalSize] = child.get_preferred_height(this._itemWidth);
-            maxNatural = Math.max(maxNatural, naturalSize);
-        }
-
-        this._itemHeight = maxNatural;
-
-        let firstColumnChildren = Math.ceil(children.length / 2);
-        alloc.natural_size = (firstColumnChildren * maxNatural +
-                              (firstColumnChildren - 1) * DEFAULT_SPACING);
-    },
-
-    _allocate: function(actor, box, flags) {
-        let width = box.x2 - box.x1;
-        let height = box.y2 - box.y1;
-
-        // Make sure this._itemWidth/Height have been computed, even
-        // if the parent actor didn't check our size before allocating.
-        // (Not clear if that is required or not as a Clutter
-        // invariant; this is safe and cheap because of caching.)
-        actor.get_preferred_height(width);
-
-        let children = actor.get_children();
-
-        let x = 0;
-        let y = 0;
-        let columnIndex = 0;
-        let i = 0;
-        // Loop over the children, going vertically down first.  When we run
-        // out of vertical space (our y variable is bigger than box.y2), switch
-        // to the second column.
-        while (i < children.length) {
-            let child = children[i];
-
-            if (y + this._itemHeight > box.y2) {
-                // Is this the second column, or we're in
-                // the first column and can't even fit one
-                // item?  In that case, break.
-                if (columnIndex == 1 || i == 0) {
-                    break;
-                }
-                // Set x to the halfway point.
-                columnIndex += 1;
-                x = x + this._itemWidth + DEFAULT_SPACING;
-                // And y is back to the top.
-                y = 0;
-                // Retry this same item, now that we're in the second column.
-                // By looping back to the top here, we re-test the size
-                // again for the second column.
-                continue;
-            }
-
-            let childBox = new Clutter.ActorBox();
-            childBox.x1 = x;
-            childBox.y1 = y;
-            childBox.x2 = childBox.x1 + this._itemWidth;
-            childBox.y2 = y + this._itemHeight;
-
-            y = childBox.y2 + DEFAULT_SPACING;
-
-            child.allocate(childBox, flags);
-            this.actor.set_skip_paint(child, false);
-
-            i++;
-        }
-
-        if (this._checkDocExistence) {
-            // Now we know how many docs we are displaying, queue a check to see if any of them
-            // have been deleted. If they are deleted, then we'll get a 'changed' signal; since
-            // we'll now be displaying items we weren't previously, we'll check again to see
-            // if they were deleted, and so forth and so on.
-            // TODO: We should change this to ask for as many as we can fit in the given space:
-            // https://bugzilla.gnome.org/show_bug.cgi?id=603522#c23
-            this._docManager.queueExistenceCheck(i);
-            this._checkDocExistence = false;
-        }
-
-        for (; i < children.length; i++)
-            this.actor.set_skip_paint(children[i], true);
-    },
-
-    _onDocsChanged: function() {
-        this._checkDocExistence = true;
-        Main.queueDeferredWork(this._workId);
-    },
-
-    _redisplay: function() {
-        // Should be kept alive by the _actorsByUri
-        this.actor.remove_all();
-        let docs = this._docManager.getTimestampOrderedInfos();
-        for (let i = 0; i < docs.length && i < MAX_DASH_DOCS; i++) {
-            let doc = docs[i];
-            let display = this._actorsByUri[doc.uri];
-            if (display) {
-                this.actor.add_actor(display.actor);
-            } else {
-                let display = new DashDocDisplayItem(doc);
-                this.actor.add_actor(display.actor);
-                this._actorsByUri[doc.uri] = display;
-            }
-        }
-        // Any unparented actors must have been deleted
-        for (let uri in this._actorsByUri) {
-            let display = this._actorsByUri[uri];
-            if (display.actor.get_parent() == null) {
-                display.actor.destroy();
-                delete this._actorsByUri[uri];
-            }
-        }
-        this.emit('changed');
-    }
-};
-
-Signals.addSignalMethods(DashDocDisplay.prototype);

 function DocSearchProvider() {
    this._init();
@ -501,12 +26,18 @@ DocSearchProvider.prototype = {
            return null;
        return { 'id': resultId,
                 'name': docInfo.name,
-                 'icon': docInfo.createIcon(Search.RESULT_ICON_SIZE)};
+                 'createIcon': function(size) {
+                                   return docInfo.createIcon(size);
+                               }
+               };
    },

-    activateResult: function(id) {
+    activateResult: function(id, params) {
+        params = Params.parse(params, { workspace: null,
+                                        timestamp: null });
+
        let docInfo = this._docManager.lookupByUri(id);
-        docInfo.launch();
+        docInfo.launch(params.workspace ? params.workspace.index() : -1);
    },

    getInitialResultSet: function(terms) {
@ -515,9 +46,5 @@ DocSearchProvider.prototype = {

    getSubsearchResultSet: function(previousResults, terms) {
        return this._docManager.subsearch(previousResults, terms);
-    },
-
-    expandSearch: function(terms) {
-        log('TODO expand docs search');
    }
 };
--- a/js/ui/endSessionDialog.js
+++ b/js/ui/endSessionDialog.js
@ -0,0 +1,538 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*-
+ *
+ * Copyright 2010 Red Hat, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+const DBus = imports.dbus;
+const Lang = imports.lang;
+const Signals = imports.signals;
+
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const Clutter = imports.gi.Clutter;
+const Gdm = imports.gi.Gdm;
+const GLib = imports.gi.GLib;
+const Gtk = imports.gi.Gtk;
+const Pango = imports.gi.Pango;
+const St = imports.gi.St;
+const Shell = imports.gi.Shell;
+
+const GnomeSession = imports.misc.gnomeSession
+const Lightbox = imports.ui.lightbox;
+const Main = imports.ui.main;
+const ModalDialog = imports.ui.modalDialog;
+const Tweener = imports.ui.tweener;
+
+let _endSessionDialog = null;
+
+const _ITEM_ICON_SIZE = 48;
+const _DIALOG_ICON_SIZE = 32;
+
+const GSM_SESSION_MANAGER_LOGOUT_FORCE = 2;
+
+const EndSessionDialogIface = {
+    name: 'org.gnome.SessionManager.EndSessionDialog',
+    methods: [{ name: 'Open',
+                inSignature: 'uuuao',
+                outSignature: ''
+              }
+             ],
+    signals: [{ name: 'Canceled',
+                inSignature: '',
+              }],
+    properties: []
+};
+
+const logoutDialogContent = {
+    subjectWithUser: _("Log Out %s"),
+    subject: _("Log Out"),
+    inhibitedDescription: _("Click Log Out to quit these applications and log out of the system."),
+    uninhibitedDescriptionWithUser: _("%s will be logged out automatically in %d seconds."),
+    uninhibitedDescription: _("You will be logged out automatically in %d seconds."),
+    endDescription: _("Logging out of the system."),
+    confirmButtons: [{ signal: 'ConfirmedLogout',
+                       label:  _("Log Out") }],
+    iconStyleClass: 'end-session-dialog-logout-icon'
+};
+
+const shutdownDialogContent = {
+    subject: _("Power Off"),
+    inhibitedDescription: _("Click Power Off to quit these applications and power off the system."),
+    uninhibitedDescription: _("The system will power off automatically in %d seconds."),
+    endDescription: _("Powering off the system."),
+    confirmButtons: [{ signal: 'ConfirmedReboot',
+                       label:  _("Restart") },
+                     { signal: 'ConfirmedShutdown',
+                       label:  _("Power Off") }],
+    iconName: 'system-shutdown',
+    iconStyleClass: 'end-session-dialog-shutdown-icon'
+};
+
+const restartDialogContent = {
+    subject: _("Restart"),
+    inhibitedDescription: _("Click Restart to quit these applications and restart the system."),
+    uninhibitedDescription: _("The system will restart automatically in %d seconds."),
+    endDescription: _("Restarting the system."),
+    confirmButtons: [{ signal: 'ConfirmedReboot',
+                       label:  _("Restart") }],
+    iconName: 'system-shutdown',
+    iconStyleClass: 'end-session-dialog-shutdown-icon'
+};
+
+const DialogContent = {
+    0 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_LOGOUT */: logoutDialogContent,
+    1 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_SHUTDOWN */: shutdownDialogContent,
+    2 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_RESTART */: restartDialogContent
+};
+
+function findAppFromInhibitor(inhibitor) {
+    let desktopFile = inhibitor.app_id;
+
+    if (!GLib.str_has_suffix(desktopFile, '.desktop'))
+      desktopFile += '.desktop';
+
+    let candidateDesktopFiles = [];
+
+    candidateDesktopFiles.push(desktopFile);
+    candidateDesktopFiles.push('gnome-' + desktopFile);
+
+    let appSystem = Shell.AppSystem.get_default();
+    let app = null;
+    for (let i = 0; i < candidateDesktopFiles.length; i++) {
+        try {
+            app = appSystem.get_app(candidateDesktopFiles[i]);
+
+            if (app)
+                break;
+        } catch(e) {
+            // ignore errors
+        }
+    }
+
+    return app;
+}
+
+function ListItem(app, reason) {
+    this._init(app, reason);
+}
+
+ListItem.prototype = {
+    _init: function(app, reason) {
+        this._app = app;
+        this._reason = reason;
+
+        if (this._reason == null)
+          this._reason = '';
+
+        let layout = new St.BoxLayout({ vertical: false});
+
+        this.actor = new St.Button({ style_class: 'end-session-dialog-app-list-item',
+                                     can_focus:   true,
+                                     child:       layout,
+                                     reactive:    true,
+                                     x_align:     St.Align.START,
+                                     x_fill:      true });
+
+        this._icon = this._app.create_icon_texture(_ITEM_ICON_SIZE);
+
+        let iconBin = new St.Bin({ style_class: 'end-session-dialog-app-list-item-icon',
+                                   child:       this._icon });
+        layout.add(iconBin);
+
+        let textLayout = new St.BoxLayout({ style_class: 'end-session-dialog-app-list-item-text-box',
+                                            vertical:    true });
+        layout.add(textLayout);
+
+        this._nameLabel = new St.Label({ text:        this._app.get_name(),
+                                         style_class: 'end-session-dialog-app-list-item-name' });
+        textLayout.add(this._nameLabel,
+                       { expand: false,
+                         x_fill: true });
+
+        this._descriptionLabel = new St.Label({ text:        this._reason,
+                                                style_class: 'end-session-dialog-app-list-item-description' });
+        textLayout.add(this._descriptionLabel,
+                       { expand: true,
+                         x_fill: true });
+
+        this.actor.connect('clicked', Lang.bind(this, this._onClicked));
+    },
+
+    _onClicked: function() {
+        this.emit('activate');
+        this._app.activate(-1);
+    }
+};
+Signals.addSignalMethods(ListItem.prototype);
+
+// The logout timer only shows updates every 10 seconds
+// until the last 10 seconds, then it shows updates every
+// second.  This function takes a given time and returns
+// what we should show to the user for that time.
+function _roundSecondsToInterval(totalSeconds, secondsLeft, interval) {
+    let time;
+
+    time = Math.ceil(secondsLeft);
+
+    // Final count down is in decrements of 1
+    if (time <= interval)
+        return time;
+
+    // Round up higher than last displayable time interval
+    time += interval - 1;
+
+    // Then round down to that time interval
+    if (time > totalSeconds)
+        time = Math.ceil(totalSeconds);
+    else
+        time -= time % interval;
+
+    return time;
+}
+
+function _setLabelText(label, text) {
+    if (text) {
+        label.set_text(text);
+        label.show();
+    } else {
+        label.set_text('');
+        label.hide();
+    }
+}
+
+function EndSessionDialog() {
+    if (_endSessionDialog == null) {
+        this._init();
+        DBus.session.exportObject('/org/gnome/SessionManager/EndSessionDialog',
+                                  this);
+        _endSessionDialog = this;
+    }
+
+    return _endSessionDialog;
+}
+
+function init() {
+    // This always returns the same singleton object
+    // By instantiating it initially, we register the
+    // bus object, etc.
+    let dialog = new EndSessionDialog();
+}
+
+EndSessionDialog.prototype = {
+    __proto__: ModalDialog.ModalDialog.prototype,
+
+    _init: function() {
+        ModalDialog.ModalDialog.prototype._init.call(this, { styleClass: 'end-session-dialog' });
+
+        this._user = Gdm.UserManager.ref_default().get_user(GLib.get_user_name());
+
+        this._secondsLeft = 0;
+        this._totalSecondsToStayOpen = 0;
+        this._inhibitors = [];
+
+        this.connect('destroy',
+                     Lang.bind(this, this._onDestroy));
+        this.connect('opened',
+                     Lang.bind(this, this._onOpened));
+
+        this._userLoadedId = this._user.connect('notify::is_loaded',
+                                                Lang.bind(this, this._updateContent));
+
+        this._userChangedId = this._user.connect('changed',
+                                                 Lang.bind(this, this._updateContent));
+
+        let mainContentLayout = new St.BoxLayout({ vertical: false });
+        this.contentLayout.add(mainContentLayout,
+                               { x_fill: true,
+                                 y_fill: false });
+
+        this._iconBin = new St.Bin();
+        mainContentLayout.add(this._iconBin,
+                              { x_fill:  true,
+                                y_fill:  false,
+                                x_align: St.Align.END,
+                                y_align: St.Align.START });
+
+        let messageLayout = new St.BoxLayout({ vertical: true });
+        mainContentLayout.add(messageLayout,
+                              { y_align: St.Align.START });
+
+        this._subjectLabel = new St.Label({ style_class: 'end-session-dialog-subject' });
+
+        messageLayout.add(this._subjectLabel,
+                          { y_fill:  false,
+                            y_align: St.Align.START });
+
+        this._descriptionLabel = new St.Label({ style_class: 'end-session-dialog-description' });
+        this._descriptionLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
+        this._descriptionLabel.clutter_text.line_wrap = true;
+
+        messageLayout.add(this._descriptionLabel,
+                          { y_fill:  true,
+                            y_align: St.Align.START });
+
+        let scrollView = new St.ScrollView({ style_class: 'end-session-dialog-app-list'});
+        scrollView.set_policy(Gtk.PolicyType.NEVER,
+                              Gtk.PolicyType.AUTOMATIC);
+        this.contentLayout.add(scrollView,
+                               { x_fill: true,
+                                 y_fill: true });
+        scrollView.hide();
+
+        this._applicationList = new St.BoxLayout({ vertical: true });
+        scrollView.add_actor(this._applicationList,
+                             { x_fill:  true,
+                               y_fill:  true,
+                               x_align: St.Align.START,
+                               y_align: St.Align.MIDDLE });
+
+        this._applicationList.connect('actor-added',
+                                      Lang.bind(this, function() {
+                                          if (this._applicationList.get_children().length == 1)
+                                              scrollView.show();
+                                      }));
+
+        this._applicationList.connect('actor-removed',
+                                      Lang.bind(this, function() {
+                                          if (this._applicationList.get_children().length == 0)
+                                              scrollView.hide();
+                                      }));
+    },
+
+    _onDestroy: function() {
+        this._user.disconnect(this._userLoadedId);
+        this._user.disconnect(this._userChangedId);
+    },
+
+    _setIconFromFile: function(iconFile, styleClass) {
+        if (styleClass)
+            this._iconBin.set_style_class_name(styleClass);
+        this._iconBin.set_style(null);
+
+        this._iconBin.child = null;
+        if (iconFile) {
+            this._iconBin.show();
+            this._iconBin.set_style('background-image: url("' + iconFile + '");');
+        } else {
+            this._iconBin.hide();
+        }
+    },
+
+    _setIconFromName: function(iconName, styleClass) {
+        if (styleClass)
+            this._iconBin.set_style_class_name(styleClass);
+        this._iconBin.set_style(null);
+
+        if (iconName != null) {
+            let textureCache = St.TextureCache.get_default();
+            let icon = textureCache.load_icon_name(this._iconBin.get_theme_node(),
+                                                   iconName,
+                                                   St.IconType.SYMBOLIC,
+                                                   _DIALOG_ICON_SIZE);
+
+            this._iconBin.child = icon;
+            this._iconBin.show();
+        } else {
+            this._iconBin.child = null;
+            this._iconBin.hide();
+        }
+    },
+
+    _updateContent: function() {
+        if (this.state != ModalDialog.State.OPENING &&
+            this.state != ModalDialog.State.OPENED)
+            return;
+
+        let dialogContent = DialogContent[this._type];
+
+        let subject = dialogContent.subject;
+        let description;
+
+        if (this._user.is_loaded && !dialogContent.iconName) {
+            let iconFile = this._user.get_icon_file();
+            if (GLib.file_test(iconFile, GLib.FileTest.EXISTS))
+                this._setIconFromFile(iconFile, dialogContent.iconStyleClass);
+            else
+                this._setIconFromName('avatar-default', dialogContent.iconStyleClass);
+        } else if (dialogContent.iconName) {
+            this._setIconFromName(dialogContent.iconName,
+                                  dialogContent.iconStyleClass);
+        }
+
+        if (this._inhibitors.length > 0) {
+            this._stopTimer();
+            description = dialogContent.inhibitedDescription;
+        } else if (this._secondsLeft > 0 && this._inhibitors.length == 0) {
+            let displayTime = _roundSecondsToInterval(this._totalSecondsToStayOpen,
+                                                      this._secondsLeft,
+                                                      10);
+
+            if (this._user.is_loaded) {
+                let realName = this._user.get_real_name();
+
+                if (realName != null) {
+                    if (dialogContent.subjectWithUser)
+                        subject = dialogContent.subjectWithUser.format(realName);
+
+                    if (dialogContent.uninhibitedDescriptionWithUser)
+                        description = dialogContent.uninhibitedDescriptionWithUser.format(realName, displayTime);
+                    else
+                        description = dialogContent.uninhibitedDescription.format(displayTime);
+                }
+            }
+
+            if (!description)
+                description = dialogContent.uninhibitedDescription.format(displayTime);
+        } else {
+            description = dialogContent.endDescription;
+        }
+
+        _setLabelText(this._subjectLabel, subject);
+        _setLabelText(this._descriptionLabel, description);
+    },
+
+    _updateButtons: function() {
+        if (this.state != ModalDialog.State.OPENING &&
+            this.state != ModalDialog.State.OPENED)
+            return;
+
+        let dialogContent = DialogContent[this._type];
+        let buttons = [{ action: Lang.bind(this, this.cancel),
+                         label:  _("Cancel"),
+                         key:    Clutter.Escape }];
+
+        for (let i = 0; i < dialogContent.confirmButtons.length; i++) {
+            let signal = dialogContent.confirmButtons[i].signal;
+            let label = dialogContent.confirmButtons[i].label;
+            buttons.push({ action: Lang.bind(this, function() {
+                                       this._confirm(signal);
+                                   }),
+                           label: label });
+        }
+
+        this.setButtons(buttons);
+    },
+
+    close: function() {
+        ModalDialog.ModalDialog.prototype.close.call(this);
+        DBus.session.emit_signal('/org/gnome/SessionManager/EndSessionDialog',
+                                 'org.gnome.SessionManager.EndSessionDialog',
+                                 'Closed', '', []);
+    },
+
+    cancel: function() {
+        this._stopTimer();
+        DBus.session.emit_signal('/org/gnome/SessionManager/EndSessionDialog',
+                                 'org.gnome.SessionManager.EndSessionDialog',
+                                 'Canceled', '', []);
+        this.close(global.get_current_time());
+    },
+
+    _confirm: function(signal) {
+        this._fadeOutDialog();
+        this._stopTimer();
+        DBus.session.emit_signal('/org/gnome/SessionManager/EndSessionDialog',
+                                 'org.gnome.SessionManager.EndSessionDialog',
+                                 signal, '', []);
+    },
+
+    _onOpened: function() {
+        if (this._inhibitors.length == 0)
+            this._startTimer();
+    },
+
+    _startTimer: function() {
+        this._secondsLeft = this._totalSecondsToStayOpen;
+        Tweener.addTween(this,
+                         { _secondsLeft: 0,
+                           time: this._secondsLeft,
+                           transition: 'linear',
+                           onUpdate: Lang.bind(this, this._updateContent),
+                           onComplete: Lang.bind(this, function() {
+                                           let dialogContent = DialogContent[this._type];
+                                           let button = dialogContent.confirmButtons[dialogContent.confirmButtons.length - 1];
+                                           this._confirm(button.signal);
+                                       }),
+                         });
+    },
+
+    _stopTimer: function() {
+        Tweener.removeTweens(this);
+        this._secondsLeft = 0;
+    },
+
+    _onInhibitorLoaded: function(inhibitor) {
+        if (this._inhibitors.indexOf(inhibitor) < 0) {
+            // Stale inhibitor
+            return;
+        }
+
+        let app = findAppFromInhibitor(inhibitor);
+
+        if (app) {
+            let item = new ListItem(app, inhibitor.reason);
+            item.connect('activate',
+                         Lang.bind(this, function() {
+                             this.close(global.get_current_time());
+                         }));
+            this._applicationList.add(item.actor, { x_fill: true });
+            this._stopTimer();
+        } else {
+            // inhibiting app is a service, not an application
+            this._inhibitors.splice(this._inhibitors.indexOf(inhibitor), 1);
+        }
+
+        this._updateContent();
+    },
+
+    OpenAsync: function(type, timestamp, totalSecondsToStayOpen, inhibitorObjectPaths, callback) {
+        this._totalSecondsToStayOpen = totalSecondsToStayOpen;
+        this._inhibitors = [];
+        this._applicationList.destroy_children();
+        this._type = type;
+
+        if (!(this._type in DialogContent))
+            throw new DBus.DBusError('org.gnome.Shell.ModalDialog.TypeError',
+                                     "Unknown dialog type requested");
+
+        for (let i = 0; i < inhibitorObjectPaths.length; i++) {
+            let inhibitor = new GnomeSession.Inhibitor(inhibitorObjectPaths[i]);
+
+            inhibitor.connect('is-loaded',
+                              Lang.bind(this, function() {
+                                  this._onInhibitorLoaded(inhibitor);
+                              }));
+            this._inhibitors.push(inhibitor);
+        }
+
+        if (!this.open(timestamp))
+            throw new DBus.DBusError('org.gnome.Shell.ModalDialog.GrabError',
+                                     "Cannot grab pointer and keyboard");
+
+        this._updateButtons();
+        this._updateContent();
+
+        let signalId = this.connect('opened',
+                                    Lang.bind(this, function() {
+                                        callback();
+                                        this.disconnect(signalId);
+                                    }));
+    }
+};
+DBus.conformExport(EndSessionDialog.prototype, EndSessionDialogIface);
--- a/js/ui/environment.js
+++ b/js/ui/environment.js
@ -4,7 +4,7 @@ const Clutter = imports.gi.Clutter;;
 const GLib = imports.gi.GLib;
 const Shell = imports.gi.Shell;
 const St = imports.gi.St;
-const Gettext_gtk20 = imports.gettext.domain('gtk20');
+const Gettext_gtk30 = imports.gettext.domain('gtk30');

 const Tweener = imports.ui.tweener;

@ -17,7 +17,7 @@ function _patchContainerClass(containerClass) {
    // This one is a straightforward mapping of the C method
    containerClass.prototype.child_set = function(actor, props) {
        let meta = this.get_child_meta(actor);
-        for (prop in props)
+        for (let prop in props)
            meta[prop] = props[prop];
    };

@ -64,8 +64,13 @@ function init() {
    Tweener.init();
    String.prototype.format = Format.format;

+    // Work around https://bugzilla.mozilla.org/show_bug.cgi?id=508783
+    Date.prototype.toLocaleFormat = function(format) {
+        return Shell.util_format_date(format, this.getTime());
+    };
+
    // Set the default direction for St widgets (this needs to be done before any use of St)
-    if (Gettext_gtk20.gettext('default:LTR') == 'default:RTL') {
+    if (Gettext_gtk30.gettext('default:LTR') == 'default:RTL') {
        St.Widget.set_default_direction(St.TextDirection.RTL);
    }

@ -83,10 +88,11 @@ function init() {
        return St.describe_actor(this);
    };

+    if (window.global === undefined) // test environment
+        return;
+
    _blockMethod('Clutter.Event.get_state', 'Shell.get_event_state',
                 'gjs\'s handling of Clutter.ModifierType is broken. See bug 597292.');
-    _blockMethod('Gdk.Display.get_device_state', 'global.get_pointer',
-                 'gjs\'s handling of Gdk.ModifierType is broken. See bug 597292.');
    _blockMethod('Gdk.Window.get_device_position', 'global.get_pointer',
                 'gjs\'s handling of Gdk.ModifierType is broken. See bug 597292.');

--- a/js/ui/extensionSystem.js
+++ b/js/ui/extensionSystem.js
@ -3,6 +3,9 @@
 const GLib = imports.gi.GLib;
 const Gio = imports.gi.Gio;
 const St = imports.gi.St;
+const Shell = imports.gi.Shell;
+
+const Config = imports.misc.config;

 const ExtensionState = {
    ENABLED: 1,
@ -25,6 +28,36 @@ var disabledExtensions;
 // GFile for user extensions
 var userExtensionsDir = null;

+/**
+ * versionCheck:
+ * @required: an array of versions we're compatible with
+ * @current: the version we have
+ *
+ * Check if a component is compatible for an extension.
+ * @required is an array, and at least one version must match.
+ * @current must be in the format <major>.<minor>.<point>.<micro>
+ * <micro> is always ignored
+ * <point> is ignored if <minor> is even (so you can target the
+ * whole stable release)
+ * <minor> and <major> must match
+ * Each target version must be at least <major> and <minor>
+ */
+function versionCheck(required, current) {
+    let currentArray = current.split('.');
+    let major = currentArray[0];
+    let minor = currentArray[1];
+    let point = currentArray[2];
+    for (let i = 0; i < required.length; i++) {
+        let requiredArray = required[i].split('.');
+        if (requiredArray[0] == major &&
+            requiredArray[1] == minor &&
+            (requiredArray[2] == point ||
+             (requiredArray[2] == undefined && parseInt(minor) % 2 == 0)))
+            return true;
+    }
+    return false;
+}
+
 function loadExtension(dir, enabled, type) {
    let info;
    let baseErrorString = 'While loading extension from "' + dir.get_parse_name() + '": ';
@ -35,7 +68,13 @@ function loadExtension(dir, enabled, type) {
        return;
    }

-    let [success, metadataContents, len, etag] = metadataFile.load_contents(null);
+    let metadataContents;
+    try {
+        metadataContents = Shell.get_file_contents_utf8_sync(metadataFile.get_path());
+    } catch (e) {
+        global.logError(baseErrorString + 'Failed to load metadata.json: ' + e);
+        return;
+    }
    let meta;
    try {
        meta = JSON.parse(metadataContents);
@ -43,14 +82,20 @@ function loadExtension(dir, enabled, type) {
        global.logError(baseErrorString + 'Failed to parse metadata.json: ' + e);
        return;
    }
-    let requiredProperties = ['uuid', 'name', 'description'];
-    for (let i = 0; i < requiredProperties; i++) {
+    let requiredProperties = ['uuid', 'name', 'description', 'shell-version'];
+    for (let i = 0; i < requiredProperties.length; i++) {
        let prop = requiredProperties[i];
        if (!meta[prop]) {
            global.logError(baseErrorString + 'missing "' + prop + '" property in metadata.json');
            return;
        }
    }
+
+    if (extensions[meta.uuid] != undefined) {
+        global.logError(baseErrorString + "extension already loaded");
+        return;
+    }
+
    // Encourage people to add this
    if (!meta['url']) {
        global.log(baseErrorString + 'Warning: Missing "url" property in metadata.json');
@ -62,6 +107,12 @@ function loadExtension(dir, enabled, type) {
        return;
    }

+    if (!versionCheck(meta['shell-version'], Config.PACKAGE_VERSION) ||
+        (meta['js-version'] && !versionCheck(meta['js-version'], Config.GJS_VERSION))) {
+        global.logError(baseErrorString + 'extension is not compatible with current GNOME Shell and/or GJS version');
+        return;
+    }
+
    extensionMeta[meta.uuid] = meta;
    extensionMeta[meta.uuid].type = type;
    extensionMeta[meta.uuid].path = dir.get_path();
@ -106,7 +157,7 @@ function loadExtension(dir, enabled, type) {
        return;
    }
    try {
-        extensionModule.main();
+        extensionModule.main(meta);
    } catch (e) {
        if (stylesheetPath != null)
            theme.unload_stylesheet(stylesheetPath);
@ -130,8 +181,15 @@ function init() {
 }

 function _loadExtensionsIn(dir, type) {
-    let fileEnum = dir.enumerate_children('standard::*', Gio.FileQueryInfoFlags.NONE, null);
+    let fileEnum;
    let file, info;
+    try {
+        fileEnum = dir.enumerate_children('standard::*', Gio.FileQueryInfoFlags.NONE, null);
+    } catch (e) {
+        global.logError('' + e);
+       return;
+    }
+
    while ((info = fileEnum.next_file(null)) != null) {
        let fileType = info.get_file_type();
        if (fileType != Gio.FileType.DIRECTORY)
--- a/js/ui/genericDisplay.js
+++ b/js/ui/genericDisplay.js
@ -1,693 +0,0 @@
-/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
-
-const Gtk = imports.gi.Gtk;
-const Lang = imports.lang;
-const Signals = imports.signals;
-const St = imports.gi.St;
-
-const DND = imports.ui.dnd;
-const Main = imports.ui.main;
-
-const RedisplayFlags = { NONE: 0,
-                         FULL: 1 << 1,
-                         SUBSEARCH: 1 << 2,
-                         IMMEDIATE: 1 << 3 };
-
-// Used by subclasses
-const ITEM_DISPLAY_ICON_SIZE = 48;
-const PREVIEW_ICON_SIZE = 96;
-
-/* This is a virtual class that represents a single display item containing
- * a name, a description, and an icon. It allows selecting an item and represents
- * it by highlighting it with a different background color than the default.
- */
-function GenericDisplayItem() {
-    this._init();
-}
-
-GenericDisplayItem.prototype = {
-    _init: function() {
-        this.actor = new St.BoxLayout({ style_class: 'generic-display-item',
-                                         reactive: true });
-
-        this.actor._delegate = this;
-        this.actor.connect('button-release-event',
-                           Lang.bind(this,
-                                     function() {
-                                         // Activates the item by launching it
-                                         this.emit('activate');
-                                         return true;  
-                                     }));
-
-        let draggable = DND.makeDraggable(this.actor);
-        draggable.connect('drag-begin',
-                          Lang.bind(this, function() {
-                              Main.overview.beginItemDrag(this);
-                          }));
-        draggable.connect('drag-end',
-                          Lang.bind(this, function() {
-                              Main.overview.endItemDrag(this);
-                          }));
-
-        this._iconBin = new St.Bin();
-        this.actor.add(this._iconBin);
-
-        this._infoText = new St.BoxLayout({ style_class: 'generic-display-item-text',
-                                             vertical: true });
-        this.actor.add(this._infoText, { expand: true, y_fill: false });
-
-        this._name = null;
-        this._description = null;
-        this._icon = null;
-
-        this._initialLoadComplete = false;
-
-        // An array of details description actors that we create over time for the item.
-        // It is used for updating the description text inside the details actor when
-        // the description text for the item is updated.
-        this._detailsDescriptions = [];
-    },
-
-    //// Draggable object interface ////
-
-    // Returns a cloned texture of the item's icon to represent the item as it 
-    // is being dragged. 
-    getDragActor: function(stageX, stageY) {
-        return this._createIcon();
-    },
-
-    // Returns the item icon, a separate copy of which is used to
-    // represent the item as it is being dragged. This is used to
-    // determine a snap-back location for the drag icon if it does
-    // not get accepted by any drop target.
-    getDragActorSource: function() {
-        return this._icon;
-    },
-
-    //// Public methods ////
-
-    // Highlights the item by setting a different background color than the default 
-    // if isSelected is true, removes the highlighting otherwise.
-    markSelected: function(isSelected) {
-        if (isSelected)
-            this.actor.add_style_pseudo_class('selected');
-        else
-            this.actor.remove_style_pseudo_class('selected');
-    },
-
-    /*
-     * Returns an actor containing item details. In the future details can have more information than what
-     * the preview pop-up has and be item-type specific.
-     */
-    createDetailsActor: function() {
-
-        let details = new St.BoxLayout({ style_class: 'generic-display-container',
-                                         vertical: true });
-
-        let mainDetails = new St.BoxLayout({ style_class: 'generic-display-container' });
-
-        // Inner box with name and description
-        let textDetails = new St.BoxLayout({ style_class: 'generic-display-details',
-                                             vertical: true });
-        let detailsName = new St.Label({ style_class: 'generic-display-details-name',
-                                          text: this._name.text });
-        textDetails.add(detailsName);
-
-        let detailsDescription = new St.Label({ text: this._description.text });
-        textDetails.add(detailsDescription);
-
-        this._detailsDescriptions.push(detailsDescription);
-
-        mainDetails.add(textDetails, { expand: true });
-
-        let previewIcon = this._createPreviewIcon();
-        let largePreviewIcon = this._createLargePreviewIcon();
-
-        if (previewIcon != null && largePreviewIcon == null) {
-            mainDetails.insert_actor(previewIcon, 0);
-        }
-
-        details.add(mainDetails);
-
-        if (largePreviewIcon != null) {
-            details.add(largePreviewIcon);
-        }
-   
-        return details;
-    },
-
-    // Destroys the item.
-    destroy: function() {
-        this.actor.destroy();
-    },
-
-    //// Pure virtual public methods ////
-
-    // Performes an action associated with launching this item, such as opening a file or an application.
-    launch: function() {
-        throw new Error('Not implemented');
-    },
-
-    //// Protected methods ////
-
-    /*
-     * Creates the graphical elements for the item based on the item information.
-     *
-     * nameText - name of the item
-     * descriptionText - short description of the item
-     */
-    _setItemInfo: function(nameText, descriptionText) {
-        if (this._name != null) {
-            // this also removes this._name from the parent container,
-            // so we don't need to call this.actor.remove_actor(this._name) directly
-            this._name.destroy();
-            this._name = null;
-        } 
-        if (this._description != null) {
-            this._description.destroy();
-            this._description = null;
-        } 
-        if (this._icon != null) {
-            // though we get the icon from elsewhere, we assume its ownership here,
-            // and therefore should be responsible for distroying it
-            this._icon.destroy();
-            this._icon = null;
-        }
-
-        this._icon = this._createIcon();
-        this._iconBin.set_child(this._icon);
-
-        this._name = new St.Label({ style_class: 'generic-display-item-name',
-                                     text: nameText });
-        this._infoText.add(this._name);
-
-        this._description = new St.Label({ style_class: 'generic-display-item-description',
-                                            text: descriptionText ? descriptionText : '' });
-        this._infoText.add(this._description);
-    },
-
-    // Sets the description text for the item, including the description text
-    // in the details actors that have been created for the item.
-    _setDescriptionText: function(text) {
-        this._description.text = text;
-        for (let i = 0; i < this._detailsDescriptions.length; i++) {
-            let detailsDescription = this._detailsDescriptions[i];
-            if (detailsDescription != null) {
-                detailsDescription.text = text;
-            }
-        }
-    },
-
-    //// Virtual protected methods ////
-
-    // Creates and returns a large preview icon, but only if we have a detailed image.
-    _createLargePreviewIcon : function() {
-        return null;
-    },
-
-    //// Pure virtual protected methods ////
-
-    // Returns an icon for the item.
-    _createIcon: function() {
-        throw new Error('Not implemented');
-    },
-
-    // Returns a preview icon for the item.
-    _createPreviewIcon: function() {
-        throw new Error('Not implemented');
-    }
-
-    //// Private methods ////
-};
-
-Signals.addSignalMethods(GenericDisplayItem.prototype);
-
-/* This is a virtual class that represents a display containing a collection of items
- * that can be filtered with a search string.
- */
-function GenericDisplay() {
-    this._init();
-}
-
-GenericDisplay.prototype = {
-    _init : function() {
-        this._search = '';
-        this._expanded = false;
-
-        this.actor = new St.ScrollView({ x_fill: true,
-                                         y_fill: false,
-                                         vshadows: true });
-        this._list = new St.BoxLayout({ style_class: 'generic-display-container',
-                                         vertical: true });
-        this.actor.add_actor(this._list);
-        this.actor.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
-
-        this._pendingRedisplay = RedisplayFlags.NONE;
-        this.actor.connect('notify::mapped', Lang.bind(this, this._onMappedNotify));
-
-        // map<itemId, Object> where Object represents the item info
-        this._allItems = {};
-        // set<itemId>
-        this._matchedItems = {};
-        // sorted array of items matched by search
-        this._matchedItemKeys = [];
-        // map<itemId, GenericDisplayItem>
-        this._displayedItems = {};
-        this._openDetailIndex = -1;
-        this._selectedIndex = -1;
-    },
-
-    //// Public methods ////
-
-    // Sets the search string and displays the matching items.
-    setSearch: function(text) {
-        let lowertext = text.toLowerCase();
-        if (lowertext == this._search) {
-            return;
-        }
-        let flags = RedisplayFlags.IMMEDIATE;
-        if (this._search != '') {
-            // Because we combine search terms with OR, we have to be sure that no new term
-            // was introduced before deciding that the new search results will be a subset of
-            // the existing search results.
-            if (lowertext.indexOf(this._search) == 0 &&
-                lowertext.split(/\s+/).length == this._search.split(/\s+/).length) {
-                flags |= RedisplayFlags.SUBSEARCH;
-            }
-        }
-        this._search = lowertext;
-        this._redisplay(flags);
-    },
-
-    // Launches the item that is currently selected, closing the Overview
-    activateSelected: function() {
-        if (this._selectedIndex != -1) {
-            let selected = this._findDisplayedByIndex(this._selectedIndex);
-            selected.launch();
-            this.unsetSelected();
-            Main.overview.hide();
-        }
-    },
-
-    // Moves the selection one up. If the selection was already on the top item, it's moved
-    // to the bottom one. Returns true if the selection actually moved up, false if it wrapped 
-    // around to the bottom.
-    selectUp: function() {
-        let count = this._getVisibleCount();
-        let selectedUp = true;
-        let prev = this._selectedIndex - 1;
-        if (this._selectedIndex <= 0) {
-            prev = count - 1;
-            selectedUp = false; 
-        }
-        this._selectIndex(prev);
-        return selectedUp;
-    },
-
-    // Moves the selection one down. If the selection was already on the bottom item, it's moved
-    // to the top one. Returns true if the selection actually moved down, false if it wrapped 
-    // around to the top.
-    selectDown: function() {
-        let count = this._getVisibleCount();
-        let selectedDown = true;
-        let next = this._selectedIndex + 1;
-        if (this._selectedIndex == count - 1) {
-            next = 0;
-            selectedDown = false;
-        }
-        this._selectIndex(next);
-        return selectedDown;
-    },
-
-    // Selects the first item among the displayed items.
-    selectFirstItem: function() {
-        if (this.hasItems())
-            this._selectIndex(0);
-    },
-
-    // Selects the last item among the displayed items.
-    selectLastItem: function() {
-        let count = this._getVisibleCount();
-        if (this.hasItems())
-            this._selectIndex(count - 1);
-    },
-
-    // Returns true if the display has some item selected.
-    hasSelected: function() {
-        return this._selectedIndex != -1;
-    },
-
-    // Removes selection if some display item is selected.
-    unsetSelected: function() {
-        this._selectIndex(-1);
-    },
-
-    // Returns true if the display has any displayed items.
-    hasItems: function() {
-        // TODO: figure out why this._list.displayedCount is returning a
-        // positive number when this._mathedItems.length is 0
-        // This can be triggered if a search string is entered for which there are no matches.
-        // log('this._mathedItems.length: ' + this._matchedItems.length + ' this._list.displayedCount ' + this._list.displayedCount);
-        return this._matchedItemKeys.length > 0;
-    },
-
-    getMatchedItemsCount: function() {
-        return this._matchedItemKeys.length;
-    },
-
-    // Load the initial state
-    load: function() {
-        this._redisplay(RedisplayFlags.FULL);
-    },
-
-    // Should be called when the display is closed
-    resetState: function() {
-        this._filterReset();
-        this._openDetailIndex = -1;
-        this.actor.get_vscroll_bar().get_adjustment().value = 0;
-    },
-
-    // Returns an actor which acts as a sidebar; this is used for
-    // the applications category view
-    getNavigationArea: function () {
-        return null;
-    },
-
-    createDetailsForIndex: function(index) {
-        let item = this._findDisplayedByIndex(index);
-        return item.createDetailsActor();
-    },
-
-    //// Protected methods ////
-
-    _recreateDisplayItems: function() {
-        this._removeAllDisplayItems();
-        this._setDefaultList();
-        for (let itemId in this._allItems) {
-            this._addDisplayItem(itemId);
-        }
-    },
-
-    // Creates a display item based on the information associated with itemId
-    // and adds it to the list of displayed items, but does not yet display it.
-    _addDisplayItem : function(itemId) {
-        if (this._displayedItems.hasOwnProperty(itemId)) {
-            log('Tried adding a display item for ' + itemId + ', but an item with this item id is already among displayed items.');
-            return;
-        }
-
-        let itemInfo = this._allItems[itemId];
-        let displayItem = this._createDisplayItem(itemInfo);
-
-        displayItem.connect('activate',
-                            Lang.bind(this,
-                                      function() {
-                                          // update the selection
-                                          this._selectIndex(this._list.get_children().indexOf(displayItem.actor));
-                                          this.activateSelected();
-                                      }));
-
-        displayItem.connect('show-details',
-                            Lang.bind(this,
-                                      function() {
-                                          let index = this._list.get_children().indexOf(displayItem.actor);
-                                          /* Close the details pane if already open */
-                                          if (index == this._openDetailIndex) {
-                                              this._openDetailIndex = -1;
-                                              this.emit('show-details', -1);
-                                          } else {
-                                              this._openDetailIndex = index;
-                                              this.emit('show-details', index);
-                                          }
-                                      }));
-        this._displayedItems[itemId] = displayItem;
-    },
-
-    // Removes an item identifed by the itemId from the displayed items.
-    _removeDisplayItem: function(itemId) {
-        let children = this._list.get_children();
-        let count = children.length;
-        let displayItem = this._displayedItems[itemId];
-        let displayItemIndex = children.indexOf(displayItem.actor);
-
-        if (this.hasSelected() && count == 1) {
-            this.unsetSelected();
-        } else if (this.hasSelected() && displayItemIndex < this._selectedIndex) {
-            this.selectUp();
-        }
-
-        displayItem.destroy();
-
-        delete this._displayedItems[itemId];
-    },
-
-    // Removes all displayed items.
-    _removeAllDisplayItems: function() {
-        this.unsetSelected();
-        for (itemId in this._displayedItems)
-            this._removeDisplayItem(itemId);
-     },
-
-    // Return true if there's an active search or other constraint
-    // on the list
-    _filterActive: function() {
-        return this._search != '';
-    },
-
-    // Called when we are resetting state
-    _filterReset: function() {
-        this.unsetSelected();
-    },
-
-    _compareSearchMatch: function(a, b) {
-        let countA = this._matchedItems[a];
-        let countB = this._matchedItems[b];
-        if (countA > countB)
-            return -1;
-        else if (countA < countB)
-            return 1;
-        else
-            return this._compareItems(a, b);
-    },
-
-    _setMatches: function(matches) {
-        this._matchedItems = matches;
-        this._matchedItemKeys = [];
-        for (let itemId in this._matchedItems) {
-            this._matchedItemKeys.push(itemId);
-        }
-        this._matchedItemKeys.sort(Lang.bind(this, this._compareSearchMatch));
-    },
-
-    /**
-     * _redisplaySubSearch:
-     * A somewhat more optimized function called when we know
-     * that we're going to be displaying a subset of the items
-     * we already had, in the same order.  In that case, we can
-     * just hide the actors that shouldn't be shown.
-     */
-    _redisplaySubSearch: function() {
-        let matches = this._getSearchMatchedItems(true);
-
-        // Just hide all from the old set,
-        // we'll show the ones we want below
-        for (let itemId in this._displayedItems) {
-            let item = this._displayedItems[itemId];
-            item.actor.hide();
-        }
-
-        this._setMatches(matches);
-
-        for (let itemId in matches) {
-            let item = this._displayedItems[itemId];
-            item.actor.show();
-        }
-        this._list.queue_relayout();
-    },
-
-    _redisplayReordering: function() {
-        if (!this._filterActive()) {
-            this._setDefaultList();
-        } else {
-            this._setMatches(this._getSearchMatchedItems(false));
-        }
-        this._list.remove_all();
-        for (let i = 0; i < this._matchedItemKeys.length; i++) {
-            let itemId = this._matchedItemKeys[i];
-            let item = this._displayedItems[itemId];
-            item.actor.show();
-            this._list.add_actor(item.actor);
-       }
-    },
-
-    /*
-     * Updates the displayed items, applying the search string if one exists.
-     * @flags: Flags controlling redisplay behavior as follows:
-     *  SUBSEARCH - Indicates that the current _search is a superstring of the previous
-     *  one, which implies we only need to re-search through previous results.
-     *  FULL - Indicates that we need recreate all displayed items.
-     *  IMMEDIATE - Do the full redisplay even if we're not mapped.  This is useful
-     *  if you want to get the number of matched items and show/hide a section based on
-     *  that number.
-     */
-    _redisplay: function(flags) {
-        let immediate = (flags & RedisplayFlags.IMMEDIATE) != 0;
-        if (!immediate && !this.actor.mapped) {
-            this._pendingRedisplay |= flags;
-            return;
-        }
-
-        let isSubSearch = (flags & RedisplayFlags.SUBSEARCH) != 0;
-        let fullReload = (flags & RedisplayFlags.FULL) != 0;
-
-        let hadSelected = this.hasSelected();
-        this.unsetSelected();
-
-        if (!this._initialLoadComplete)
-            fullReload = true;
-
-        if (!this._refreshCache())
-            fullReload = true;
-
-        if (fullReload) {
-            this._recreateDisplayItems();
-            this._initialLoadComplete = true;
-        }
-
-        if (isSubSearch) {
-            this._redisplaySubSearch();
-        } else {
-            this._redisplayReordering();
-        }
-
-        if (hadSelected) {
-            this._selectedIndex = -1;
-            this.selectFirstItem();
-        }
-
-        this.emit('redisplayed');
-    },
-
-    //// Pure virtual protected methods ////
-
-    // Performs the steps needed to have the latest information about the items.
-    // Implementation should return %true if we are up to date, and %false
-    // if a full reload occurred.
-    _refreshCache: function() {
-        throw new Error('Not implemented');
-    },
-
-    // Sets the list of the displayed items based on the default sorting order.
-    // The default sorting order is specific to each implementing class.
-    _setDefaultList: function() {
-        throw new Error('Not implemented');
-    },
-
-    // Compares items associated with the item ids based on the order in which the
-    // items should be displayed.
-    // Intended to be used as a compareFunction for array.sort().
-    // Returns an integer value indicating the result of the comparison.
-    _compareItems: function(itemIdA, itemIdB) {
-        throw new Error('Not implemented');
-    },
-
-    // Checks if the item info can be a match for the search string. 
-    // Returns a boolean flag indicating if that's the case.
-    _isInfoMatching: function(itemInfo, search) {
-        throw new Error('Not implemented');
-    },
-
-    // Creates a display item based on itemInfo.
-    _createDisplayItem: function(itemInfo) {
-        throw new Error('Not implemented');
-    },
-
-    //// Private methods ////
-
-    _getItemSearchScore: function(itemId, terms) {
-        let item = this._allItems[itemId];
-        let score = 0;
-        for (let i = 0; i < terms.length; i++) {
-            let term = terms[i];
-            if (this._isInfoMatching(item, term)) {
-                score++;
-            }
-        }
-        return score;
-    },
-
-    _getSearchMatchedItems: function(isSubSearch) {
-        // Break the search up into terms, and search for each
-        // individual term.  Keep track of the number of terms
-        // each item matched.
-        let terms = this._search.split(/\s+/);
-        let matchScores = {};
-
-        if (isSubSearch) {
-            for (let i = 0; i < this._matchedItemKeys.length; i++) {
-                let itemId = this._matchedItemKeys[i];
-                let score = this._getItemSearchScore(itemId, terms);
-                if (score > 0)
-                    matchScores[itemId] = score;
-            }
-        } else {
-            for (let itemId in this._displayedItems) {
-                let score = this._getItemSearchScore(itemId, terms);
-                if (score > 0)
-                    matchScores[itemId] = score;
-            }
-        }
-        return matchScores;
-    },
-
-    // Returns a display item based on its index in the ordering of the
-    // display children.
-    _findDisplayedByIndex: function(index) {
-        let actor = this._list.get_children()[index];
-        return this._findDisplayedByActor(actor);
-    },
-
-    // Returns a display item based on the actor that represents it in 
-    // the display.
-    _findDisplayedByActor: function(actor) {
-        for (itemId in this._displayedItems) {
-            let item = this._displayedItems[itemId];
-            if (item.actor == actor) {
-                return item;
-            }
-        }
-        return null;
-    },
-
-    // Selects (e.g. highlights) a display item at the provided index,
-    // updates this.selectedItemDetails actor, and emits 'selected' signal.
-    _selectIndex: function(index) {
-        // Cleanup from the previous item
-        if (this.hasSelected()) {
-            this._findDisplayedByIndex(this._selectedIndex).markSelected(false);
-        }
-
-        this._selectedIndex = index;
-        if (index < 0)
-            return;
-
-        // Mark the new item as selected and create its details pane
-        let item = this._findDisplayedByIndex(index);
-        item.markSelected(true);
-        this.emit('selected');
-    },
-
-    _getVisibleCount: function() {
-        return this._list.get_n_children();
-    },
-
-    _onMappedNotify: function () {
-        let mapped = this.actor.mapped;
-        if (mapped && this._pendingRedisplay > RedisplayFlags.NONE)
-            this._redisplay(this._pendingRedisplay);
-
-        this._pendingRedisplay = RedisplayFlags.NONE;
-    }
-};
-
-Signals.addSignalMethods(GenericDisplay.prototype);
--- a/js/ui/iconGrid.js
+++ b/js/ui/iconGrid.js
@ -17,7 +17,8 @@ function BaseIcon(label, createIcon) {
 BaseIcon.prototype = {
    _init : function(label, params) {
        params = Params.parse(params, { createIcon: null,
-                                        setSizeManually: false });
+                                        setSizeManually: false,
+                                        showLabel: true });
        this.actor = new St.Bin({ style_class: 'overview-icon',
                                  x_fill: true,
                                  y_fill: true });
@ -40,42 +41,52 @@ BaseIcon.prototype = {

        box.add_actor(this._iconBin);

-        this._name = new St.Label({ text: label });
-        box.add_actor(this._name);
+        if (params.showLabel) {
+            this._name = new St.Label({ text: label });
+            box.add_actor(this._name);
+        } else {
+            this._name = null;
+        }

        if (params.createIcon)
            this.createIcon = params.createIcon;
        this._setSizeManually = params.setSizeManually;

-        this.icon = this.createIcon(this.iconSize);
-        this._iconBin.set_child(this.icon);
+        this.icon = null;
    },

    _allocate: function(actor, box, flags) {
        let availWidth = box.x2 - box.x1;
        let availHeight = box.y2 - box.y1;

-        let [labelMinHeight, labelNatHeight] = this._name.get_preferred_height(-1);
+        let iconSize = availHeight;
+
        let [iconMinHeight, iconNatHeight] = this._iconBin.get_preferred_height(-1);
-        let preferredHeight = labelNatHeight + this._spacing + iconNatHeight;
-        let labelHeight = availHeight >= preferredHeight ? labelNatHeight
-                                                         : labelMinHeight;
-        let iconSize = availHeight - this._spacing - labelHeight;
-        let iconPadding = (availWidth - iconSize) / 2;
+        let [iconMinWidth, iconNatWidth] = this._iconBin.get_preferred_width(-1);
+        let preferredHeight = iconNatHeight;

        let childBox = new Clutter.ActorBox();

-        childBox.x1 = iconPadding;
-        childBox.y1 = 0;
-        childBox.x2 = availWidth - iconPadding;
-        childBox.y2 = iconSize;
-        this._iconBin.allocate(childBox, flags);
+        if (this._name) {
+            let [labelMinHeight, labelNatHeight] = this._name.get_preferred_height(-1);
+            preferredHeight += this._spacing + labelNatHeight;

-        childBox.x1 = 0;
-        childBox.x2 = availWidth;
-        childBox.y1 = iconSize + this._spacing;
-        childBox.y2 = childBox.y1 + labelHeight;
-        this._name.allocate(childBox, flags);
+            let labelHeight = availHeight >= preferredHeight ? labelNatHeight
+                                                             : labelMinHeight;
+            iconSize -= this._spacing + labelHeight;
+
+            childBox.x1 = 0;
+            childBox.x2 = availWidth;
+            childBox.y1 = iconSize + this._spacing;
+            childBox.y2 = childBox.y1 + labelHeight;
+            this._name.allocate(childBox, flags);
+        }
+
+        childBox.x1 = Math.floor((availWidth - iconNatWidth) / 2);
+        childBox.y1 = Math.floor((iconSize - iconNatHeight) / 2);
+        childBox.x2 = childBox.x1 + iconNatWidth;
+        childBox.y2 = childBox.y1 + iconNatHeight;
+        this._iconBin.allocate(childBox, flags);
    },

    _getPreferredWidth: function(actor, forHeight, alloc) {
@ -84,9 +95,14 @@ BaseIcon.prototype = {

    _getPreferredHeight: function(actor, forWidth, alloc) {
        let [iconMinHeight, iconNatHeight] = this._iconBin.get_preferred_height(forWidth);
-        let [labelMinHeight, labelNatHeight] = this._name.get_preferred_height(forWidth);
-        alloc.min_size = iconMinHeight + this._spacing + labelMinHeight;
-        alloc.natural_size = iconNatHeight + this._spacing + labelNatHeight;
+        alloc.min_size = iconMinHeight;
+        alloc.natural_size = iconNatHeight;
+
+        if (this._name) {
+            let [labelMinHeight, labelNatHeight] = this._name.get_preferred_height(forWidth);
+            alloc.min_size += this._spacing + labelMinHeight;
+            alloc.natural_size += this._spacing + labelNatHeight;
+        }
    },

    // This can be overridden by a subclass, or by the createIcon
@ -99,33 +115,39 @@ BaseIcon.prototype = {
        if (!this._setSizeManually)
            throw new Error('setSizeManually has to be set to use setIconsize');

-        this._setIconSize(size);
-    },
-
-    _setIconSize: function(size) {
        if (size == this.iconSize)
            return;

-        this.icon.destroy();
+        this._createIconTexture(size);
+    },
+
+    _createIconTexture: function(size) {
+        if (this.icon)
+            this.icon.destroy();
        this.iconSize = size;
        this.icon = this.createIcon(this.iconSize);
+
+        // The icon returned by createIcon() might actually be smaller than
+        // the requested icon size (for instance StTextureCache does this
+        // for fallback icons), so set the size explicitly.
+        this.icon.set_size(this.iconSize, this.iconSize);
+
        this._iconBin.child = this.icon;
    },

    _onStyleChanged: function() {
-        let success, len;
        let node = this.actor.get_theme_node();
+        this._spacing = node.get_length('spacing');

-        [success, len] = node.get_length('spacing', false);
-        if (success)
-            this._spacing = spacing;
+        let size;
+        if (this._setSizeManually) {
+            size = this.iconSize;
+        } else {
+            let [found, len] = node.lookup_length('icon-size', false);
+            size = found ? len : ICON_SIZE;
+        }

-        if (this._setSizeManually)
-            return;
-
-        [success, len] = node.get_length('icon-size', false);
-        if (success)
-            this._setIconSize(len);
+        this._createIconTexture(size);
    }
 };

@ -135,9 +157,12 @@ function IconGrid(params) {

 IconGrid.prototype = {
    _init: function(params) {
-        params = Params.parse(params, { rowLimit: null, columnLimit: null });
+        params = Params.parse(params, { rowLimit: null,
+                                        columnLimit: null,
+                                        xAlign: St.Align.MIDDLE });
        this._rowLimit = params.rowLimit;
        this._colLimit = params.columnLimit;
+        this._xAlign = params.xAlign;

        this.actor = new St.BoxLayout({ style_class: 'icon-grid',
                                        vertical: true });
@ -166,8 +191,16 @@ IconGrid.prototype = {
        alloc.natural_size = nColumns * this._item_size + totalSpacing;
    },

-    _getPreferredHeight: function (grid, forWidth, alloc) {
+    _getVisibleChildren: function() {
        let children = this._grid.get_children();
+        children = children.filter(function(actor) {
+            return actor.visible;
+        });
+        return children;
+    },
+
+    _getPreferredHeight: function (grid, forWidth, alloc) {
+        let children = this._getVisibleChildren();
        let [nColumns, usedWidth] = this._computeLayout(forWidth);
        let nRows;
        if (nColumns > 0)
@ -183,15 +216,25 @@ IconGrid.prototype = {
    },

    _allocate: function (grid, box, flags) {
-        let children = this._grid.get_children();
+        let children = this._getVisibleChildren();
        let availWidth = box.x2 - box.x1;
        let availHeight = box.y2 - box.y1;

        let [nColumns, usedWidth] = this._computeLayout(availWidth);

-        let overallPaddingX = Math.floor((availWidth - usedWidth) / 2);
+        let leftPadding;
+        switch(this._xAlign) {
+            case St.Align.START:
+                leftPadding = 0;
+                break;
+            case St.Align.MIDDLE:
+                leftPadding = Math.floor((availWidth - usedWidth) / 2);
+                break;
+            case St.Align.END:
+                leftPadding = availWidth - usedWidth;
+        }

-        let x = box.x1 + overallPaddingX;
+        let x = box.x1 + leftPadding;
        let y = box.y1;
        let columnIndex = 0;
        let rowIndex = 0;
@ -231,15 +274,18 @@ IconGrid.prototype = {

            if (columnIndex == 0) {
                y += this._item_size + this._spacing;
-                x = box.x1 + overallPaddingX;
+                x = box.x1 + leftPadding;
            } else {
                x += this._item_size + this._spacing;
            }
        }
    },

+    childrenInRow: function(rowWidth) {
+        return this._computeLayout(rowWidth)[0];
+    },
+
    _computeLayout: function (forWidth) {
-        let children = this._grid.get_children();
        let nColumns = 0;
        let usedWidth = 0;
        while ((this._colLimit == null || nColumns < this._colLimit) &&
@ -256,12 +302,8 @@ IconGrid.prototype = {

    _onStyleChanged: function() {
        let themeNode = this.actor.get_theme_node();
-        let [success, len] = themeNode.get_length('spacing', false);
-        if (success)
-            this._spacing = len;
-        [success, len] = themeNode.get_length('-shell-grid-item-size', false);
-        if (success)
-            this._item_size = len;
+        this._spacing = themeNode.get_length('spacing');
+        this._item_size = themeNode.get_length('-shell-grid-item-size');
        this._grid.queue_relayout();
    },

--- a/js/ui/lookingGlass.js
+++ b/js/ui/lookingGlass.js
@ -1,6 +1,7 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

 const Clutter = imports.gi.Clutter;
+const Cogl = imports.gi.Cogl;
 const GConf = imports.gi.GConf;
 const GLib = imports.gi.GLib;
 const Gio = imports.gi.Gio;
@ -13,6 +14,7 @@ const Mainloop = imports.mainloop;
 const Gettext = imports.gettext.domain('gnome-shell');
 const _ = Gettext.gettext;

+const History = imports.misc.history;
 const ExtensionSystem = imports.ui.extensionSystem;
 const Link = imports.ui.link;
 const Tweener = imports.ui.tweener;
@ -25,6 +27,7 @@ var commandHeader = 'const Clutter = imports.gi.Clutter; ' +
                    'const Mainloop = imports.mainloop; ' +
                    'const Meta = imports.gi.Meta; ' +
                    'const Shell = imports.gi.Shell; ' +
+                    'const Tp = imports.gi.TelepathyGLib; ' +
                    'const Main = imports.ui.main; ' +
                    'const Lang = imports.lang; ' +
                    'const Tweener = imports.ui.tweener; ' +
@ -36,6 +39,8 @@ var commandHeader = 'const Clutter = imports.gi.Clutter; ' +
                       'const it = Main.lookingGlass.getIt(); ' +
                    'const r = Lang.bind(Main.lookingGlass, Main.lookingGlass.getResult); ';

+const HISTORY_KEY = 'looking-glass-history';
+
 function Notebook() {
    this._init();
 }
@ -220,7 +225,7 @@ WindowList.prototype = {

    _updateWindowList: function() {
        this.actor.get_children().forEach(function (actor) { actor.destroy(); });
-        let windows = global.get_windows();
+        let windows = global.get_window_actors();
        let tracker = Shell.WindowTracker.get_default();
        for (let i = 0; i < windows.length; i++) {
            let metaWindow = windows[i].metaWindow;
@ -359,6 +364,30 @@ ObjInspector.prototype = {
    }
 };

+function addBorderPaintHook(actor) {
+    let signalId = actor.connect_after('paint',
+        function () {
+            let color = new Cogl.Color();
+            color.init_from_4ub(0xff, 0, 0, 0xc4);
+            Cogl.set_source_color(color);
+
+            let geom = actor.get_allocation_geometry();
+            let width = 2;
+
+            // clockwise order
+            Cogl.rectangle(0, 0, geom.width, width);
+            Cogl.rectangle(geom.width - width, width,
+                           geom.width, geom.height);
+            Cogl.rectangle(0, geom.height,
+                           geom.width - width, geom.height - width);
+            Cogl.rectangle(0, geom.height - width,
+                           width, width);
+        });
+
+    actor.queue_redraw();
+    return signalId;
+}
+
 function Inspector() {
    this._init();
 }
@ -398,6 +427,9 @@ Inspector.prototype = {
    },

    _allocate: function(actor, box, flags) {
+        if (!this._eventHandler)
+            return;
+
        let primary = global.get_primary_monitor();

        let [minWidth, minHeight, natWidth, natHeight] =
@ -415,6 +447,7 @@ Inspector.prototype = {
        Clutter.ungrab_pointer(this._eventHandler);
        Clutter.ungrab_keyboard(this._eventHandler);
        this._eventHandler.destroy();
+        this._eventHandler = null;
        this.emit('closed');
    },

@ -490,10 +523,13 @@ Inspector.prototype = {
        let position = '[inspect x: ' + stageX + ' y: ' + stageY + ']';
        this._displayText.text = '';
        this._displayText.text = position + ' ' + this._target;
-        if (this._borderPaintTarget != null)
-            this._borderPaintTarget.disconnect(this._borderPaintId);
-        this._borderPaintTarget = this._target;
-        this._borderPaintId = Shell.add_hook_paint_red_border(this._target);
+
+        if (this._borderPaintTarget != this._target) {
+            if (this._borderPaintTarget != null)
+                this._borderPaintTarget.disconnect(this._borderPaintId);
+            this._borderPaintTarget = this._target;
+            this._borderPaintId = addBorderPaintHook(this._target);
+        }
    }
 };

@ -639,18 +675,10 @@ function LookingGlass() {

 LookingGlass.prototype = {
    _init : function() {
-        this._idleHistorySaveId = 0;
-        let historyPath = global.userdatadir + '/lookingglass-history.txt';
-        this._historyFile = Gio.file_new_for_path(historyPath);
-        this._savedText = null;
-        this._historyNavIndex = -1;
-        this._history = [];
        this._borderPaintTarget = null;
        this._borderPaintId = 0;
        this._borderDestroyId = 0;

-        this._readHistory();
-
        this._open = false;

        this._offset = 0;
@ -663,11 +691,11 @@ LookingGlass.prototype = {
                                        style_class: 'lg-dialog',
                                        vertical: true,
                                        visible: false });
+        this.actor.connect('key-press-event', Lang.bind(this, this._globalKeyPressEvent));

-        let gconf = GConf.Client.get_default();
-        gconf.add_dir('/desktop/gnome/interface', GConf.ClientPreloadType.PRELOAD_NONE);
-        gconf.notify_add('/desktop/gnome/interface/monospace_font_name',
-                         Lang.bind(this, this._updateFont));
+        this._interfaceSettings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' });
+        this._interfaceSettings.connect('changed::monospace-font-name',
+                                        Lang.bind(this, this._updateFont));
        this._updateFont();

        Main.uiGroup.add_actor(this.actor);
@ -678,9 +706,8 @@ LookingGlass.prototype = {

        let toolbar = new St.BoxLayout({ name: 'Toolbar' });
        this.actor.add_actor(toolbar);
-        let inspectIcon = St.TextureCache.get_default().load_icon_name('gtk-color-picker',
-                                                                       St.IconType.SYMBOLIC,
-                                                                       24);
+        let inspectIcon = new St.Icon({ icon_name: 'gtk-color-picker',
+                                        icon_size: 24 });
        toolbar.add_actor(inspectIcon);
        inspectIcon.reactive = true;
        inspectIcon.connect('button-press-event', Lang.bind(this, function () {
@ -748,39 +775,15 @@ LookingGlass.prototype = {
            if (text == '')
                return true;
            this._evaluate(text);
-            this._historyNavIndex = -1;
            return true;
        }));
-        this._entry.clutter_text.connect('key-press-event', Lang.bind(this, function(o, e) {
-            let symbol = e.get_key_symbol();
-            if (symbol == Clutter.Up) {
-                if (this._historyNavIndex >= this._history.length - 1)
-                    return true;
-                this._historyNavIndex++;
-                if (this._historyNavIndex == 0)
-                    this._savedText = this._entry.text;
-                this._entry.text = this._history[this._history.length - this._historyNavIndex - 1];
-                return true;
-            } else if (symbol == Clutter.Down) {
-                if (this._historyNavIndex <= 0)
-                    return true;
-                this._historyNavIndex--;
-                if (this._historyNavIndex < 0)
-                    this._entry.text = this._savedText;
-                else
-                    this._entry.text = this._history[this._history.length - this._historyNavIndex - 1];
-                return true;
-            } else {
-                this._historyNavIndex = -1;
-                this._savedText = null;
-                return false;
-            }
-        }));
+
+        this._history = new History.HistoryManager({ gsettingsKey: HISTORY_KEY, 
+                                                     entry: this._entry.clutter_text });
    },

    _updateFont: function() {
-        let gconf = GConf.Client.get_default();
-        let fontName = gconf.get_string('/desktop/gnome/interface/monospace_font_name');
+        let fontName = this._interfaceSettings.get_string('monospace-font-name');
        // This is mishandled by the scanner - should by Pango.FontDescription_from_string(fontName);
        // https://bugzilla.gnome.org/show_bug.cgi?id=595889
        let fontDesc = Pango.font_description_from_string(fontName);
@ -791,29 +794,6 @@ LookingGlass.prototype = {
            + 'font-family: "' + fontDesc.get_family() + '";';
    },

-    _readHistory: function () {
-        if (!this._historyFile.query_exists(null))
-            return;
-        let [result, contents, length, etag] = this._historyFile.load_contents(null);
-        this._history = contents.split('\n').filter(function (e) { return e != ''; });
-    },
-
-    _queueHistorySave: function() {
-        if (this._idleHistorySaveId > 0)
-            return;
-        this._idleHistorySaveId = Mainloop.timeout_add_seconds(5, Lang.bind(this, this._doSaveHistory));
-    },
-
-    _doSaveHistory: function () {
-        this._idleHistorySaveId = false;
-        let output = this._historyFile.replace(null, true, Gio.FileCreateFlags.NONE, null);
-        let dataOut = new Gio.DataOutputStream({ base_stream: output });
-        dataOut.put_string(this._history.join('\n'), null);
-        dataOut.put_string('\n', null);
-        dataOut.close(null);
-        return false;
-    },
-
    _pushResult: function(command, obj) {
        let index = this._results.length + this._offset;
        let result = new Result('>>> ' + command, obj, index);
@ -825,7 +805,7 @@ LookingGlass.prototype = {
        }
        if (obj instanceof Clutter.Actor) {
            this._borderPaintTarget = obj;
-            this._borderPaintId = Shell.add_hook_paint_red_border(obj);
+            this._borderPaintId = addBorderPaintHook(obj);
            this._borderDestroyId = obj.connect('destroy', Lang.bind(this, function () {
                this._borderDestroyId = 0;
                this._borderPaintTarget = null;
@ -844,8 +824,7 @@ LookingGlass.prototype = {
    },

    _evaluate : function(command) {
-        this._history.push(command);
-        this._queueHistorySave();
+        this._history.addItem(command);

        let fullCmd = commandHeader + command;

@ -926,21 +905,19 @@ LookingGlass.prototype = {
        if (this._open)
            return;

-        if (!Main.pushModal(this.actor))
+        if (!Main.pushModal(this._entry))
            return;

-        this._keyPressEventId = global.stage.connect('key-press-event',
-            Lang.bind(this, this._globalKeyPressEvent));
-
        this.actor.show();
        this.actor.lower(Main.chrome.actor);
        this._open = true;
+        this._history.lastItem();

        Tweener.removeTweens(this.actor);

-        global.stage.set_key_focus(this._entry);
-
-        Tweener.addTween(this.actor, { time: 0.5,
+        // We inverse compensate for the slow-down so you can change the factor
+        // through LookingGlass without long waits.
+        Tweener.addTween(this.actor, { time: 0.5 / St.get_slow_down_factor(),
                                       transition: 'easeOutQuad',
                                       y: this._targetY
                                     });
@ -950,12 +927,8 @@ LookingGlass.prototype = {
        if (!this._open)
            return;

-        if (this._keyPressEventId)
-            global.stage.disconnect(this._keyPressEventId);
-
        this._objInspector.actor.hide();

-        this._historyNavIndex = -1;
        this._open = false;
        Tweener.removeTweens(this.actor);

@ -965,9 +938,9 @@ LookingGlass.prototype = {
            this._borderPaintTarget = null;
        }

-        Main.popModal(this.actor);
+        Main.popModal(this._entry);

-        Tweener.addTween(this.actor, { time: 0.5,
+        Tweener.addTween(this.actor, { time: 0.5 / St.get_slow_down_factor(),
                                       transition: 'easeOutQuad',
                                       y: this._hiddenY,
                                       onComplete: Lang.bind(this, function () {
--- a/js/ui/magnifier.js
+++ b/js/ui/magnifier.js
--- a/js/ui/magnifierDBus.js
+++ b/js/ui/magnifierDBus.js
@ -112,6 +112,11 @@ ShellMagnifier.prototype = {
     *                  [left, top, right, bottom].
     * @viewPort        Array of integers, [left, top, right, bottom] that defines
     *                  the position of the ZoomRegion on screen.
+     *
+     * FIXME: The arguments here are redundant, since the width and height of
+     *   the ROI are determined by the viewport and magnification factors.
+     *   We ignore the passed in width and height.
+     *
     * @return          The newly created ZoomRegion.
     */
    createZoomRegion: function(xMagFactor, yMagFactor, roi, viewPort) {
--- a/js/ui/main.js
+++ b/js/ui/main.js
@ -17,8 +17,13 @@ const Mainloop = imports.mainloop;
 const Meta = imports.gi.Meta;
 const Shell = imports.gi.Shell;
 const St = imports.gi.St;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;

 const Chrome = imports.ui.chrome;
+const CtrlAltTab = imports.ui.ctrlAltTab;
+const EndSessionDialog = imports.ui.endSessionDialog;
+const PolkitAuthenticationAgent = imports.ui.polkitAuthenticationAgent;
 const Environment = imports.ui.environment;
 const ExtensionSystem = imports.ui.extensionSystem;
 const MessageTray = imports.ui.messageTray;
@ -34,13 +39,16 @@ const ShellDBus = imports.ui.shellDBus;
 const TelepathyClient = imports.ui.telepathyClient;
 const WindowManager = imports.ui.windowManager;
 const Magnifier = imports.ui.magnifier;
+const XdndHandler = imports.ui.xdndHandler;
 const StatusIconDispatcher = imports.ui.statusIconDispatcher;
+const Util = imports.misc.util;

 const DEFAULT_BACKGROUND_COLOR = new Clutter.Color();
 DEFAULT_BACKGROUND_COLOR.from_pixel(0x2266bbff);

 let chrome = null;
 let panel = null;
+let hotCorners = [];
 let placesManager = null;
 let overview = null;
 let runDialog = null;
@ -50,15 +58,19 @@ let messageTray = null;
 let notificationDaemon = null;
 let windowAttentionHandler = null;
 let telepathyClient = null;
+let ctrlAltTabManager = null;
 let recorder = null;
 let shellDBusService = null;
 let modalCount = 0;
 let modalActorFocusStack = [];
 let uiGroup = null;
 let magnifier = null;
+let xdndHandler = null;
 let statusIconDispatcher = null;
 let _errorLogStack = [];
 let _startDate;
+let _defaultCssStylesheet = null;
+let _cssStylesheet = null;

 let background = null;

@ -74,9 +86,11 @@ function start() {
    global.logError = _logError;
    global.log = _logDebug;

+    // Chain up async errors reported from C
+    global.connect('notify-error', function (global, msg, detail) { notifyError(msg, detail); });
+
    Gio.DesktopAppInfo.set_desktop_env('GNOME');

-    global.grab_dbus_service();
    shellDBusService = new ShellDBus.GnomeShell();
    // Force a connection now; dbus.js will do this internally
    // if we use its name acquisition stuff but we aren't right
@ -84,6 +98,10 @@ function start() {
    // back into sync ones.
    DBus.session.flush();

+    // Load the calendar server. Note that we are careful about
+    // not loading any events until the user presses the clock
+    global.launch_calendar_server();
+
    Environment.init();

    // Ensure ShellWindowTracker and ShellAppUsage are initialized; this will
@ -97,15 +115,14 @@ function start() {
    Shell.WindowTracker.get_default();
    Shell.AppUsage.get_default();

-    // The background color really only matters if there is no desktop
-    // window (say, nautilus) running. We set it mostly so things look good
-    // when we are running inside Xephyr.
+    // The stage is always covered so Clutter doesn't need to clear it; however
+    // the color is used as the default contents for the Mutter root background
+    // actor so set it anyways.
    global.stage.color = DEFAULT_BACKGROUND_COLOR;
+    global.stage.no_clear_hint = true;

-    let themeContext = St.ThemeContext.get_for_stage (global.stage);
-    let stylesheetPath = global.datadir + '/theme/gnome-shell.css';
-    let theme = new St.Theme ({ application_stylesheet: stylesheetPath });
-    themeContext.set_theme (theme);
+    _defaultCssStylesheet = global.datadir + '/theme/gnome-shell.css';
+    loadTheme();

    let shellwm = global.window_manager;
    shellwm.takeover_keybinding('panel_main_menu');
@ -119,11 +136,14 @@ function start() {

    // Set up stage hierarchy to group all UI actors under one container.
    uiGroup = new Clutter.Group();
+    St.set_ui_root(global.stage, uiGroup);
    global.window_group.reparent(uiGroup);
    global.overlay_group.reparent(uiGroup);
    global.stage.add_actor(uiGroup);

    placesManager = new PlaceDisplay.PlacesManager();
+    xdndHandler = new XdndHandler.XdndHandler();
+    ctrlAltTabManager = new CtrlAltTab.CtrlAltTabManager();
    overview = new Overview.Overview();
    chrome = new Chrome.Chrome();
    magnifier = new Magnifier.Magnifier();
@ -135,6 +155,9 @@ function start() {
    windowAttentionHandler = new WindowAttentionHandler.WindowAttentionHandler();
    telepathyClient = new TelepathyClient.Client();

+    overview.init();
+    statusIconDispatcher.start(messageTray.actor);
+
    _startDate = new Date();

    let recorderSettings = new Gio.Settings({ schema: 'org.gnome.shell.recorder' });
@ -161,15 +184,24 @@ function start() {
        }
    });

-    background = global.create_root_pixmap_actor();
-    global.stage.add_actor(background);
-    background.lower_bottom();
+    global.screen.override_workspace_layout(Meta.ScreenCorner.TOPLEFT, false, -1, 1);

-    global.gdk_screen.connect('monitors-changed', _relayout);
+    // Provide the bus object for gnome-session to
+    // initiate logouts.
+    EndSessionDialog.init();
+
+    // Attempt to become a PolicyKit authentication agent
+    PolkitAuthenticationAgent.init()
+
+    global.screen.connect('monitors-changed', _relayout);

    ExtensionSystem.init();
    ExtensionSystem.loadExtensions();

+    // Perform initial relayout here
+    _relayout();
+
+    panel.startStatusArea();
    panel.startupAnimation();

    let display = global.screen.get_display();
@ -177,20 +209,233 @@ function start() {

    global.stage.connect('captured-event', _globalKeyPressHandler);

-    // Perform initial relayout here
-    _relayout();
-
    _log('info', 'loaded at ' + _startDate);
    log('GNOME Shell started at ' + _startDate);

-    Mainloop.idle_add(_removeUnusedWorkspaces);
-
    let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
    if (perfModuleName) {
        let perfOutput = GLib.getenv("SHELL_PERF_OUTPUT");
        let module = eval('imports.perf.' + perfModuleName + ';');
        Scripting.runPerfScript(module, perfOutput);
    }
+
+    global.screen.connect('notify::n-workspaces', _nWorkspacesChanged);
+
+    global.screen.connect('window-entered-monitor', _windowEnteredMonitor);
+    global.screen.connect('window-left-monitor', _windowLeftMonitor);
+
+    _nWorkspacesChanged();
+}
+
+let _workspaces = [];
+let _checkWorkspacesId = 0;
+
+/*
+ * When the last window closed on a workspace is a dialog or splash
+ * screen, we assume that it might be an initial window shown before
+ * the main window of an application, and give the app a grace period
+ * where it can map another window before we remove the workspace.
+ */
+const LAST_WINDOW_GRACE_TIME = 1000;
+
+function _checkWorkspaces() {
+    let i;
+    let emptyWorkspaces = [];
+
+    for (i = 0; i < _workspaces.length; i++) {
+        let lastRemoved = _workspaces[i]._lastRemovedWindow;
+        if (lastRemoved &&
+            (lastRemoved.get_window_type() == Meta.WindowType.SPLASHSCREEN ||
+             lastRemoved.get_window_type() == Meta.WindowType.DIALOG ||
+             lastRemoved.get_window_type() == Meta.WindowType.MODAL_DIALOG))
+                emptyWorkspaces[i] = false;
+        else
+            emptyWorkspaces[i] = true;
+    }
+
+    let windows = global.get_window_actors();
+    for (i = 0; i < windows.length; i++) {
+        let win = windows[i];
+
+        if (win.get_meta_window().is_on_all_workspaces())
+            continue;
+
+        let workspaceIndex = win.get_workspace();
+        emptyWorkspaces[workspaceIndex] = false;
+    }
+
+    // If we don't have an empty workspace at the end, add one
+    if (!emptyWorkspaces[emptyWorkspaces.length -1]) {
+        global.screen.append_new_workspace(false, global.get_current_time());
+        emptyWorkspaces.push(false);
+    }
+
+    let activeWorkspaceIndex = global.screen.get_active_workspace_index();
+    let removingCurrentWorkspace = (emptyWorkspaces[activeWorkspaceIndex] &&
+                                    activeWorkspaceIndex < emptyWorkspaces.length - 1);
+    // Don't enter the overview when removing multiple empty workspaces at startup
+    let showOverview  = (removingCurrentWorkspace &&
+                         !emptyWorkspaces.every(function(x) { return x; }));
+
+    if (removingCurrentWorkspace) {
+        // "Merge" the empty workspace we are removing with the one at the end
+        wm.blockAnimations();
+    }
+
+    // Delete other empty workspaces; do it from the end to avoid index changes
+    for (i = emptyWorkspaces.length - 2; i >= 0; i--) {
+        if (emptyWorkspaces[i])
+            global.screen.remove_workspace(_workspaces[i], global.get_current_time());
+    }
+
+    if (removingCurrentWorkspace) {
+        global.screen.get_workspace_by_index(global.screen.n_workspaces - 1).activate(global.get_current_time());
+        wm.unblockAnimations();
+
+        if (!overview.visible && showOverview)
+            overview.show();
+    }
+
+    _checkWorkspacesId = 0;
+    return false;
+}
+
+function _windowRemoved(workspace, window) {
+    workspace._lastRemovedWindow = window;
+    _queueCheckWorkspaces();
+    Mainloop.timeout_add(LAST_WINDOW_GRACE_TIME, function() {
+        if (workspace._lastRemovedWindow == window) {
+            workspace._lastRemovedWindow = null;
+            _queueCheckWorkspaces();
+        }
+    });
+}
+
+function _windowLeftMonitor(metaScreen, monitorIndex, metaWin) {
+    // If the window left the primary monitor, that
+    // might make that workspace empty
+    if (monitorIndex == global.get_primary_monitor_index())
+        _queueCheckWorkspaces();
+}
+
+function _windowEnteredMonitor(metaScreen, monitorIndex, metaWin) {
+    // If the window entered the primary monitor, that
+    // might make that workspace non-empty
+    if (monitorIndex == global.get_primary_monitor_index())
+        _queueCheckWorkspaces();
+}
+
+function _queueCheckWorkspaces() {
+    if (_checkWorkspacesId == 0)
+        _checkWorkspacesId = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, _checkWorkspaces);
+}
+
+function _nWorkspacesChanged() {
+    let oldNumWorkspaces = _workspaces.length;
+    let newNumWorkspaces = global.screen.n_workspaces;
+
+    if (oldNumWorkspaces == newNumWorkspaces)
+        return false;
+
+    let lostWorkspaces = [];
+    if (newNumWorkspaces > oldNumWorkspaces) {
+        let w;
+
+        // Assume workspaces are only added at the end
+        for (w = oldNumWorkspaces; w < newNumWorkspaces; w++)
+            _workspaces[w] = global.screen.get_workspace_by_index(w);
+
+        for (w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
+            let workspace = _workspaces[w];
+            workspace._windowAddedId = workspace.connect('window-added', _queueCheckWorkspaces);
+            workspace._windowRemovedId = workspace.connect('window-removed', _windowRemoved);
+        }
+
+    } else {
+        // Assume workspaces are only removed sequentially
+        // (e.g. 2,3,4 - not 2,4,7)
+        let removedIndex;
+        let removedNum = oldNumWorkspaces - newNumWorkspaces;
+        for (let w = 0; w < oldNumWorkspaces; w++) {
+            let workspace = global.screen.get_workspace_by_index(w);
+            if (_workspaces[w] != workspace) {
+                removedIndex = w;
+                break;
+            }
+        }
+
+        let lostWorkspaces = _workspaces.splice(removedIndex, removedNum);
+        lostWorkspaces.forEach(function(workspace) {
+                                   workspace.disconnect(workspace._windowAddedId);
+                                   workspace.disconnect(workspace._windowRemovedId);
+                               });
+    }
+
+    _queueCheckWorkspaces();
+
+    return false;
+}
+
+/**
+ * getThemeStylesheet:
+ *
+ * Get the theme CSS file that the shell will load
+ *
+ * Returns: A file path that contains the theme CSS,
+ *          null if using the default
+ */
+function getThemeStylesheet()
+{
+    return _cssStylesheet;
+}
+
+/**
+ * setThemeStylesheet:
+ * @cssStylesheet: A file path that contains the theme CSS,
+ *                  set it to null to use the default
+ *
+ * Set the theme CSS file that the shell will load
+ */
+function setThemeStylesheet(cssStylesheet)
+{
+    _cssStylesheet = cssStylesheet;
+}
+
+/**
+ * loadTheme:
+ *
+ * Reloads the theme CSS file
+ */
+function loadTheme() {
+    let themeContext = St.ThemeContext.get_for_stage (global.stage);
+
+    let cssStylesheet = _defaultCssStylesheet;
+    if (_cssStylesheet != null)
+        cssStylesheet = _cssStylesheet;
+
+    let theme = new St.Theme ({ application_stylesheet: cssStylesheet });
+    themeContext.set_theme (theme);
+}
+
+/**
+ * notifyError:
+ * @msg: An error message
+ * @details: Additional information
+ *
+ * See shell_global_notify_problem().
+ */
+function notifyError(msg, details) {
+    // Also print to stderr so it's logged somewhere
+    if (details)
+        log("error: " + msg + ": " + details);
+    else
+        log("error: " + msg)
+
+    let source = new MessageTray.SystemNotificationSource();
+    messageTray.add(source);
+    let notification = new MessageTray.Notification(source, msg, details);
+    notification.setTransient(true);
+    source.notify(notification);
 }

 /**
@ -235,47 +480,90 @@ function _getAndClearErrorStack() {
 }

 function _relayout() {
-    let primary = global.get_primary_monitor();
-    panel.actor.set_position(primary.x, primary.y);
-    panel.actor.set_size(primary.width, Panel.PANEL_HEIGHT);
-    overview.relayout();
+    let monitors = global.get_monitors();
+    // destroy old corners
+    for (let i = 0; i < hotCorners.length; i++)
+        hotCorners[i].destroy();
+    hotCorners = [];

-    background.set_size(global.screen_width, global.screen_height);
+
+    let primary = global.get_primary_monitor();
+    for (let i = 0; i < monitors.length; i++) {
+        let monitor = monitors[i];
+        let isPrimary = (monitor.x == primary.x &&
+                         monitor.y == primary.y &&
+                         monitor.width == primary.width &&
+                         monitor.height == primary.height);
+
+        let cornerX = monitor.x;
+        let cornerY = monitor.y;
+        if (St.Widget.get_default_direction() == St.TextDirection.RTL)
+            cornerX += monitor.width;
+
+
+        let haveTopLeftCorner = true;
+
+        /* Check if we have a top left (right for RTL) corner.
+         * I.e. if there is no monitor directly above or to the left(right) */
+        let besideX;
+        if (St.Widget.get_default_direction() == St.TextDirection.RTL)
+            besideX = monitor.x + 1;
+        else
+            besideX = cornerX - 1;
+        let besideY = cornerY;
+        let aboveX = cornerX;
+        let aboveY = cornerY - 1;
+
+        for (let j = 0; j < monitors.length; j++) {
+            if (i == j)
+                continue;
+            let otherMonitor = monitors[j];
+            if (besideX >= otherMonitor.x &&
+                besideX < otherMonitor.x + otherMonitor.width &&
+                besideY >= otherMonitor.y &&
+                besideY < otherMonitor.y + otherMonitor.height) {
+                haveTopLeftCorner = false;
+                break;
+            }
+            if (aboveX >= otherMonitor.x &&
+                aboveX < otherMonitor.x + otherMonitor.width &&
+                aboveY >= otherMonitor.y &&
+                aboveY < otherMonitor.y + otherMonitor.height) {
+                haveTopLeftCorner = false;
+                break;
+            }
+        }
+
+        /* We only want hot corners where there is a natural top-left
+         * corner, and on the primary monitor */
+        if (!isPrimary && !haveTopLeftCorner)
+            continue;
+
+        let corner = new Panel.HotCorner(isPrimary ? panel.button : null);
+        hotCorners.push(corner);
+        corner.actor.set_position(cornerX, cornerY);
+        if (isPrimary)
+            panel.setHotCorner(corner);
+    }
+
+    panel.relayout();
+    overview.relayout();

    // To avoid updating the position and size of the workspaces
    // in the overview, we just hide the overview. The positions
-    // will be updated when it is next shown. We do the same for
-    // the calendar popdown.
+    // will be updated when it is next shown.
    overview.hide();
-    panel.hideCalendar();
 }

-// metacity-clutter currently uses the same prefs as plain metacity,
-// which probably means we'll be starting out with multiple workspaces;
-// remove any unused ones. (We do this from an idle handler, because
-// global.get_windows() still returns NULL at the point when start()
-// is called.)
-function _removeUnusedWorkspaces() {
+function isWindowActorDisplayedOnWorkspace(win, workspaceIndex) {
+    return win.get_workspace() == workspaceIndex ||
+        (win.get_meta_window() && win.get_meta_window().is_on_all_workspaces());
+}

-    let windows = global.get_windows();
-    let maxWorkspace = 0;
-    for (let i = 0; i < windows.length; i++) {
-        let win = windows[i];
-
-        if (!win.get_meta_window().is_on_all_workspaces() &&
-            win.get_workspace() > maxWorkspace) {
-            maxWorkspace = win.get_workspace();
-        }
-    }
-    let screen = global.screen;
-    if (screen.n_workspaces > maxWorkspace) {
-        for (let w = screen.n_workspaces - 1; w > maxWorkspace; w--) {
-            let workspace = screen.get_workspace_by_index(w);
-            screen.remove_workspace(workspace, 0);
-        }
-    }
-
-    return false;
+function getWindowActorsForWorkspace(workspaceIndex) {
+    return global.get_window_actors().filter(function (win) {
+        return isWindowActorDisplayedOnWorkspace(win, workspaceIndex);
+    });
 }

 // This function encapsulates hacks to make certain global keybindings
@ -283,64 +571,67 @@ function _removeUnusedWorkspaces() {
 // are disabled with a global grab. (When there is a global grab, then
 // all key events will be delivered to the stage, so ::captured-event
 // on the stage can be used for global keybindings.)
-//
-// We expect to need to conditionally enable just a few keybindings
-// depending on circumstance; the main hackiness here is that we are
-// assuming that keybindings have their default values; really we
-// should be asking Mutter to resolve the key into an action and then
-// base our handling based on the action.
 function _globalKeyPressHandler(actor, event) {
    if (modalCount == 0)
        return false;
+    if (event.type() != Clutter.EventType.KEY_PRESS)
+        return false;

-    let type = event.type();
+    let symbol = event.get_key_symbol();
+    let keyCode = event.get_key_code();
+    let modifierState = Shell.get_event_state(event);

-    if (type == Clutter.EventType.KEY_PRESS) {
-        let symbol = event.get_key_symbol();
-        if (symbol == Clutter.Print) {
-            // We want to be able to take screenshots of the shell at all times
-            let gconf = GConf.Client.get_default();
-            let command = gconf.get_string('/apps/metacity/keybinding_commands/command_screenshot');
-            if (command != null && command != '') {
-                let [ok, len, args] = GLib.shell_parse_argv(command);
-                let p = new Shell.Process({'args' : args});
-                p.run();
-            }
+    let display = global.screen.get_display();
+    // This relies on the fact that Clutter.ModifierType is the same as Gdk.ModifierType
+    let action = display.get_keybinding_action(keyCode, modifierState);

+    // The screenshot action should always be available (even if a
+    // modal dialog is present)
+    if (action == Meta.KeyBindingAction.COMMAND_SCREENSHOT) {
+        let gconf = GConf.Client.get_default();
+        let command = gconf.get_string('/apps/metacity/keybinding_commands/command_screenshot');
+        if (command != null && command != '')
+            Util.spawnCommandLine(command);
+        return true;
+    }
+
+    // Other bindings are only available when the overview is up and
+    // no modal dialog is present.
+    if (!overview.visible || modalCount > 1)
+        return false;
+
+    // This isn't a Meta.KeyBindingAction yet
+    if (symbol == Clutter.Super_L || symbol == Clutter.Super_R) {
+        overview.hide();
+        return true;
+    }
+
+    switch (action) {
+        // left/right would effectively act as synonyms for up/down if we enabled them;
+        // but that could be considered confusing; we also disable them in the main view.
+        //
+        // case Meta.KeyBindingAction.WORKSPACE_LEFT:
+        //     wm.actionMoveWorkspaceLeft();
+        //     return true;
+        // case Meta.KeyBindingAction.WORKSPACE_RIGHT:
+        //     wm.actionMoveWorkspaceRight();
+        //     return true;
+        case Meta.KeyBindingAction.WORKSPACE_UP:
+            wm.actionMoveWorkspaceUp();
            return true;
-        }
-    } else if (type == Clutter.EventType.KEY_RELEASE) {
-        let symbol = event.get_key_symbol();
-        let keyCode = event.get_key_code();
-        let modifierState = Shell.get_event_state(event);
-        // Check the overview key first, this isn't a Meta.KeyBindingAction yet
-        if (symbol == Clutter.Super_L || symbol == Clutter.Super_R) {
-            // The super key is the default for triggering the overview, and should
-            // get us out of the overview when we are already in it.
-            if (overview.visible)
-                overview.hide();
-
+        case Meta.KeyBindingAction.WORKSPACE_DOWN:
+            wm.actionMoveWorkspaceDown();
+            return true;
+        case Meta.KeyBindingAction.PANEL_RUN_DIALOG:
+        case Meta.KeyBindingAction.COMMAND_2:
+            getRunDialog().open();
+            return true;
+        case Meta.KeyBindingAction.PANEL_MAIN_MENU:
+            overview.hide();
+            return true;
+        case Meta.KeyBindingAction.SWITCH_PANELS:
+            ctrlAltTabManager.popup(modifierState & Clutter.ModifierType.SHIFT_MASK);
            return true;
-        }
-
-        // Whitelist some of the Metacity actions
-        let display = global.screen.get_display();
-        let activeWorkspaceIndex = global.screen.get_active_workspace_index();
-
-        // This relies on the fact that Clutter.ModifierType is the same as Gdk.ModifierType
-        let action = display.get_keybinding_action(symbol, keyCode, modifierState);
-        switch (action) {
-            case Meta.KeyBindingAction.WORKSPACE_LEFT:
-                wm.actionMoveWorkspaceLeft();
-                return true;
-            case Meta.KeyBindingAction.WORKSPACE_RIGHT:
-                wm.actionMoveWorkspaceRight();
-                return true;
-            case Meta.KeyBindingAction.PANEL_RUN_DIALOG:
-            case Meta.KeyBindingAction.COMMAND_2:
-                getRunDialog().open();
-                return true;
-        }
    }

    return false;
@ -348,10 +639,8 @@ function _globalKeyPressHandler(actor, event) {

 function _findModal(actor) {
    for (let i = 0; i < modalActorFocusStack.length; i++) {
-        let [stackActor, stackFocus] = modalActorFocusStack[i];
-        if (stackActor == actor) {
+        if (modalActorFocusStack[i].actor == actor)
            return i;
-        }
    }
    return -1;
 }
@ -359,21 +648,29 @@ function _findModal(actor) {
 /**
 * pushModal:
 * @actor: #ClutterActor which will be given keyboard focus
+ * @timestamp: optional timestamp
 *
 * Ensure we are in a mode where all keyboard and mouse input goes to
- * the stage.  Multiple calls to this function act in a stacking fashion;
- * the effect will be undone when an equal number of popModal() invocations
- * have been made.
+ * the stage, and focus @actor. Multiple calls to this function act in
+ * a stacking fashion; the effect will be undone when an equal number
+ * of popModal() invocations have been made.
 *
- * Next, record the current Clutter keyboard focus on a stack.  If the modal stack
- * returns to this actor, reset the focus to the actor which was focused
- * at the time pushModal() was invoked.
+ * Next, record the current Clutter keyboard focus on a stack. If the
+ * modal stack returns to this actor, reset the focus to the actor
+ * which was focused at the time pushModal() was invoked.
+ *
+ * @timestamp is optionally used to associate the call with a specific user
+ * initiated event.  If not provided then the value of
+ * global.get_current_time() is assumed.
 *
 * Returns: true iff we successfully acquired a grab or already had one
 */
-function pushModal(actor) {
+function pushModal(actor, timestamp) {
+    if (timestamp == undefined)
+        timestamp = global.get_current_time();
+
    if (modalCount == 0) {
-        if (!global.begin_modal(global.get_current_time())) {
+        if (!global.begin_modal(timestamp)) {
            log('pushModal: invocation of begin_modal failed');
            return false;
        }
@ -382,51 +679,80 @@ function pushModal(actor) {
    global.set_stage_input_mode(Shell.StageInputMode.FULLSCREEN);

    modalCount += 1;
-    actor.connect('destroy', function() {
+    let actorDestroyId = actor.connect('destroy', function() {
        let index = _findModal(actor);
        if (index >= 0)
            modalActorFocusStack.splice(index, 1);
    });
    let curFocus = global.stage.get_key_focus();
+    let curFocusDestroyId;
    if (curFocus != null) {
-        curFocus.connect('destroy', function() {
+        curFocusDestroyId = curFocus.connect('destroy', function() {
            let index = _findModal(actor);
            if (index >= 0)
-                modalActorFocusStack[index][1] = null;
+                modalActorFocusStack[index].actor = null;
        });
    }
-    modalActorFocusStack.push([actor, curFocus]);
+    modalActorFocusStack.push({ actor: actor,
+                                focus: curFocus,
+                                destroyId: actorDestroyId,
+                                focusDestroyId: curFocusDestroyId });

+    global.stage.set_key_focus(actor);
    return true;
 }

 /**
 * popModal:
 * @actor: #ClutterActor passed to original invocation of pushModal().
+ * @timestamp: optional timestamp
 *
 * Reverse the effect of pushModal().  If this invocation is undoing
 * the topmost invocation, then the focus will be restored to the
 * previous focus at the time when pushModal() was invoked.
+ *
+ * @timestamp is optionally used to associate the call with a specific user
+ * initiated event.  If not provided then the value of
+ * global.get_current_time() is assumed.
 */
-function popModal(actor) {
-    modalCount -= 1;
+function popModal(actor, timestamp) {
+    if (timestamp == undefined)
+        timestamp = global.get_current_time();
+
    let focusIndex = _findModal(actor);
-    if (focusIndex >= 0) {
-        if (focusIndex == modalActorFocusStack.length - 1) {
-            let [stackActor, stackFocus] = modalActorFocusStack[focusIndex];
-            global.stage.set_key_focus(stackFocus);
-        } else {
-            // Remove from the middle, shift the focus chain up
-            for (let i = focusIndex; i < modalActorFocusStack.length - 1; i++) {
-                modalActorFocusStack[i + 1][1] = modalActorFocusStack[i][1];
-            }
-        }
-        modalActorFocusStack.splice(focusIndex, 1);
+    if (focusIndex < 0) {
+        global.stage.set_key_focus(null);
+        global.end_modal(timestamp);
+        global.set_stage_input_mode(Shell.StageInputMode.NORMAL);
+
+        throw new Error('incorrect pop');
    }
+
+    modalCount -= 1;
+
+    let record = modalActorFocusStack[focusIndex];
+    record.actor.disconnect(record.destroyId);
+
+    if (focusIndex == modalActorFocusStack.length - 1) {
+        if (record.focus)
+            record.focus.disconnect(record.focusDestroyId);
+        global.stage.set_key_focus(record.focus);
+    } else {
+        let t = modalActorFocusStack[modalActorFocusStack.length - 1];
+        if (t.focus)
+            t.focus.disconnect(t.focusDestroyId);
+        // Remove from the middle, shift the focus chain up
+        for (let i = modalActorFocusStack.length - 1; i > focusIndex; i--) {
+            modalActorFocusStack[i].focus = modalActorFocusStack[i - 1].focus;
+            modalActorFocusStack[i].focusDestroyId = modalActorFocusStack[i - 1].focusDestroyId;
+        }
+    }
+    modalActorFocusStack.splice(focusIndex, 1);
+
    if (modalCount > 0)
        return;

-    global.end_modal(global.get_current_time());
+    global.end_modal(timestamp);
    global.set_stage_input_mode(Shell.StageInputMode.NORMAL);
 }

--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
--- a/js/ui/modalDialog.js
+++ b/js/ui/modalDialog.js
@ -0,0 +1,277 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const Gdk = imports.gi.Gdk;
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const Lang = imports.lang;
+const Meta = imports.gi.Meta;
+const Pango = imports.gi.Pango;
+const St = imports.gi.St;
+const Shell = imports.gi.Shell;
+const Signals = imports.signals;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const Params = imports.misc.params;
+
+const Lightbox = imports.ui.lightbox;
+const Main = imports.ui.main;
+const Tweener = imports.ui.tweener;
+
+const OPEN_AND_CLOSE_TIME = 0.1;
+const FADE_OUT_DIALOG_TIME = 1.0;
+
+const State = {
+    OPENED: 0,
+    CLOSED: 1,
+    OPENING: 2,
+    CLOSING: 3,
+    FADED_OUT: 4
+};
+
+function ModalDialog() {
+    this._init();
+}
+
+ModalDialog.prototype = {
+    _init: function(params) {
+        params = Params.parse(params, { styleClass: null });
+
+        this.state = State.CLOSED;
+        this._hasModal = false;
+
+        this._group = new St.Group({ visible: false,
+                                     x: 0,
+                                     y: 0 });
+        Main.uiGroup.add_actor(this._group);
+
+        let constraint = new Clutter.BindConstraint({ source: global.stage,
+                                                      coordinate: Clutter.BindCoordinate.POSITION | Clutter.BindCoordinate.SIZE });
+        this._group.add_constraint(constraint);
+
+        global.focus_manager.add_group(this._group);
+        this._initialKeyFocus = this._group;
+        this._savedKeyFocus = null;
+
+        this._group.connect('destroy', Lang.bind(this, this._onGroupDestroy));
+
+        this._actionKeys = {};
+        this._group.connect('key-press-event', Lang.bind(this, this._onKeyPressEvent));
+
+        this._lightbox = new Lightbox.Lightbox(this._group,
+                                               { inhibitEvents: true });
+
+        this._backgroundBin = new St.Bin();
+
+        this._group.add_actor(this._backgroundBin);
+        this._lightbox.highlight(this._backgroundBin);
+
+        this._backgroundStack = new Shell.Stack();
+        this._backgroundBin.child = this._backgroundStack;
+
+        this._eventBlocker = new Clutter.Group({ reactive: true });
+        this._backgroundStack.add_actor(this._eventBlocker);
+
+        this._dialogLayout = new St.BoxLayout({ style_class: 'modal-dialog',
+                                                vertical:    true });
+        if (params.styleClass != null) {
+            this._dialogLayout.add_style_class_name(params.styleClass);
+        }
+        this._backgroundStack.add_actor(this._dialogLayout);
+
+        this.contentLayout = new St.BoxLayout({ vertical: true });
+        this._dialogLayout.add(this.contentLayout,
+                               { x_fill:  true,
+                                 y_fill:  true,
+                                 x_align: St.Align.MIDDLE,
+                                 y_align: St.Align.START });
+
+        this._buttonLayout = new St.BoxLayout({ style_class: 'modal-dialog-button-box',
+                                                opacity:     220,
+                                                vertical:    false });
+        this._dialogLayout.add(this._buttonLayout,
+                               { expand:  true,
+                                 x_align: St.Align.MIDDLE,
+                                 y_align: St.Align.END });
+    },
+
+    setButtons: function(buttons) {
+        this._buttonLayout.destroy_children();
+        this._actionKeys = {};
+
+        let i = 0;
+        for (let index in buttons) {
+            let buttonInfo = buttons[index];
+            let label = buttonInfo['label'];
+            let action = buttonInfo['action'];
+            let key = buttonInfo['key'];
+
+            let button = new St.Button({ style_class: 'modal-dialog-button',
+                                         reactive:    true,
+                                         can_focus:   true,
+                                         label:       label });
+
+            let x_alignment;
+            if (buttons.length == 1)
+                x_alignment = St.Align.END;
+            else if (i == 0)
+                x_alignment = St.Align.START;
+            else if (i == buttons.length - 1)
+                x_alignment = St.Align.END;
+            else
+                x_alignment = St.Align.MIDDLE;
+
+            this._initialKeyFocus = button;
+            this._buttonLayout.add(button,
+                                   { expand: true,
+                                     x_fill: false,
+                                     y_fill: false,
+                                     x_align: x_alignment,
+                                     y_align: St.Align.MIDDLE });
+
+            button.connect('clicked', action);
+
+            if (key)
+                this._actionKeys[key] = action;
+            i++;
+        }
+    },
+
+    _onKeyPressEvent: function(object, keyPressEvent) {
+        let symbol = keyPressEvent.get_key_symbol();
+        let action = this._actionKeys[symbol];
+
+        if (action)
+            action();
+    },
+
+    _onGroupDestroy: function() {
+        this.emit('destroy');
+    },
+
+    _fadeOpen: function() {
+        let monitor = global.get_focus_monitor();
+
+        this._backgroundBin.set_position(monitor.x, monitor.y);
+        this._backgroundBin.set_size(monitor.width, monitor.height);
+
+        this.state = State.OPENING;
+
+        this._dialogLayout.opacity = 255;
+        this._lightbox.show();
+        this._group.opacity = 0;
+        this._group.show();
+        Tweener.addTween(this._group,
+                         { opacity: 255,
+                           time: OPEN_AND_CLOSE_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: Lang.bind(this,
+                               function() {
+                                   this.state = State.OPENED;
+                                   this.emit('opened');
+                               })
+                         });
+    },
+
+    setInitialKeyFocus: function(actor) {
+        this._initialKeyFocus = actor;
+    },
+
+    open: function(timestamp) {
+        if (this.state == State.OPENED || this.state == State.OPENING)
+            return true;
+
+        if (!this.pushModal(timestamp))
+            return false;
+
+        this._fadeOpen();
+        return true;
+    },
+
+    close: function(timestamp) {
+        if (this.state == State.CLOSED || this.state == State.CLOSING)
+            return;
+
+        this.state = State.CLOSING;
+        this.popModal(timestamp);
+
+        Tweener.addTween(this._group,
+                         { opacity: 0,
+                           time: OPEN_AND_CLOSE_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: Lang.bind(this,
+                               function() {
+                                   this.state = State.CLOSED;
+                                   this._group.hide();
+                               })
+                         });
+    },
+
+    // Drop modal status without closing the dialog; this makes the
+    // dialog insensitive as well, so it needs to be followed shortly
+    // by either a close() or a pushModal()
+    popModal: function(timestamp) {
+        if (!this._hasModal)
+            return;
+
+        let focus = global.stage.key_focus;
+        if (focus && this._group.contains(focus))
+            this._savedKeyFocus = focus;
+        else
+            this._savedKeyFocus = null;
+        Main.popModal(this._group, timestamp);
+        global.gdk_screen.get_display().sync();
+        this._hasModal = false;
+
+        this._eventBlocker.raise_top();
+    },
+
+    pushModal: function (timestamp) {
+        if (this._hasModal)
+            return true;
+        if (!Main.pushModal(this._group, timestamp))
+            return false;
+
+        this._hasModal = true;
+        if (this._savedKeyFocus) {
+            this._savedKeyFocus.grab_key_focus();
+            this._savedKeyFocus = null;
+        } else
+            this._initialKeyFocus.grab_key_focus();
+
+        this._eventBlocker.lower_bottom();
+        return true;
+    },
+
+    // This method is like close, but fades the dialog out much slower,
+    // and leaves the lightbox in place. Once in the faded out state,
+    // the dialog can be brought back by an open call, or the lightbox
+    // can be dismissed by a close call.
+    //
+    // The main point of this method is to give some indication to the user
+    // that the dialog reponse has been acknowledged but will take a few
+    // moments before being processed.
+    // e.g., if a user clicked "Log Out" then the dialog should go away
+    // imediately, but the lightbox should remain until the logout is
+    // complete.
+    _fadeOutDialog: function(timestamp) {
+        if (this.state == State.CLOSED || this.state == State.CLOSING)
+            return;
+
+        if (this.state == State.FADED_OUT)
+            return;
+
+        this.popModal(timestamp);
+        Tweener.addTween(this._dialogLayout,
+                         { opacity: 0,
+                           time:    FADE_OUT_DIALOG_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: Lang.bind(this,
+                               function() {
+                                   this.state = State.FADED_OUT;
+                               })
+                         });
+    }
+};
+Signals.addSignalMethods(ModalDialog.prototype);
--- a/js/ui/notificationDaemon.js
+++ b/js/ui/notificationDaemon.js
@ -1,15 +1,20 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

+const Clutter = imports.gi.Clutter;
 const DBus = imports.dbus;
 const GLib = imports.gi.GLib;
 const Lang = imports.lang;
 const Shell = imports.gi.Shell;
 const Mainloop = imports.mainloop;
 const St = imports.gi.St;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;

+const Config = imports.misc.config;
 const Main = imports.ui.main;
 const MessageTray = imports.ui.messageTray;
 const Params = imports.misc.params;
+const Util = imports.misc.util;

 let nextNotificationId = 1;

@ -73,11 +78,11 @@ const Urgency = {
 const rewriteRules = {
    'XChat': [
        { pattern:     /^XChat: Private message from: (\S*) \(.*\)$/,
-          replacement: '&lt;$1&gt;' },
+          replacement: '<$1>' },
        { pattern:     /^XChat: New public message from: (\S*) \((.*)\)$/,
-          replacement: '$2 &lt;$1&gt;' },
+          replacement: '$2 <$1>' },
        { pattern:     /^XChat: Highlighted message from: (\S*) \((.*)\)$/,
-          replacement: '$2 &lt;$1&gt;' }
+          replacement: '$2 <$1>' }
    ]
 };

@ -89,16 +94,6 @@ NotificationDaemon.prototype = {
    _init: function() {
        DBus.session.exportObject('/org/freedesktop/Notifications', this);

-        this._everAcquiredName = false;
-        DBus.session.acquire_name('org.freedesktop.Notifications',
-                                  // We pass MANY_INSTANCES so that if
-                                  // notification-daemon is running, we'll
-                                  // get queued behind it and then get the
-                                  // name after killing it below
-                                  DBus.MANY_INSTANCES,
-                                  Lang.bind(this, this._acquiredName),
-                                  Lang.bind(this, this._lostName));
-
        this._sources = {};
        this._senderToPid = {};
        this._notifications = {};
@ -113,31 +108,6 @@ NotificationDaemon.prototype = {
            Lang.bind(this, this._onFocusAppChanged));
    },

-    _acquiredName: function() {
-        this._everAcquiredName = true;
-    },
-
-    _lostName: function() {
-        if (this._everAcquiredName)
-            log('Lost name org.freedesktop.Notifications!');
-        else if (GLib.getenv('GNOME_SHELL_NO_REPLACE'))
-            log('Failed to acquire org.freedesktop.Notifications');
-        else {
-            log('Failed to acquire org.freedesktop.Notifications; trying again');
-
-            // kill the notification-daemon. pkill is more portable
-            // than killall, but on Linux at least it won't match if
-            // you pass more than 15 characters of the process name...
-            // However, if you use the '-f' flag to match the entire
-            // command line, it will work, but we have to be careful
-            // in that case that we don't match 'gedit
-            // notification-daemon.c' or whatever...
-            let p = new Shell.Process({ args: ['pkill', '-f',
-                                               '^([^ ]*/)?(notification-daemon|notify-osd)$']});
-            p.run();
-        }
-    },
-
    _iconForNotificationData: function(icon, hints, size) {
        let textureCache = St.TextureCache.get_default();

@ -148,10 +118,12 @@ NotificationDaemon.prototype = {
                let uri = GLib.filename_to_uri(icon, null);
                return textureCache.load_uri_async(uri, size, size);
            } else
-                return textureCache.load_icon_name(icon, St.IconType.FULLCOLOR, size);
-        } else if (hints.icon_data) {
+                return new St.Icon({ icon_name: icon,
+                                     icon_type: St.IconType.FULLCOLOR,
+                                     icon_size: size });
+        } else if (hints['image-data']) {
            let [width, height, rowStride, hasAlpha,
-                 bitsPerSample, nChannels, data] = hints.icon_data;
+                 bitsPerSample, nChannels, data] = hints['image-data'];
            return textureCache.load_from_raw(data, data.length, hasAlpha,
                                              width, height, rowStride, size);
        } else {
@ -165,22 +137,49 @@ NotificationDaemon.prototype = {
                    stockIcon = 'gtk-dialog-error';
                    break;
            }
-            return textureCache.load_icon_name(stockIcon, St.IconType.FULLCOLOR, size);
+            return new St.Icon({ icon_name: stockIcon,
+                                 icon_type: St.IconType.FULLCOLOR,
+                                 icon_size: size });
        }
    },

-    _newSource: function(title, pid) {
-        let source = new Source(title, pid);
-        this._sources[pid] = source;
+    // Returns the source associated with ndata.notification if it is set.
+    // Otherwise, returns the source associated with the pid if one is
+    // stored in this._sources and the notification is not transient.
+    // Otherwise, creates a new source as long as pid is provided.
+    //
+    // Either a pid or ndata.notification is needed to retrieve or
+    // create a source.
+    _getSource: function(title, pid, ndata) {
+        if (!pid && !(ndata && ndata.notification))
+            return null;

-        source.connect('clicked', Lang.bind(this,
-            function() {
-                source.destroy();
-            }));
-        source.connect('destroy', Lang.bind(this,
-            function() {
-                delete this._sources[pid];
-            }));
+        // We use notification's source for the notifications we still have
+        // around that are getting replaced because we don't keep sources
+        // for transient notifications in this._sources, but we still want
+        // the notification associated with them to get replaced correctly.
+        if (ndata && ndata.notification)
+            return ndata.notification.source;
+
+        let isForTransientNotification = (ndata && ndata.hints['transient'] == true);
+
+        // We don't want to override a persistent notification
+        // with a transient one from the same sender, so we
+        // always create a new source object for new transient notifications
+        // and never add it to this._sources .
+        if (!isForTransientNotification && this._sources[pid])
+            return this._sources[pid];
+
+        let source = new Source(title, pid);
+        source.setTransient(isForTransientNotification);
+
+        if (!isForTransientNotification) {
+            this._sources[pid] = source;
+            source.connect('destroy', Lang.bind(this,
+                function() {
+                    delete this._sources[pid];
+                }));
+        }

        Main.messageTray.add(source);
        return source;
@ -190,9 +189,11 @@ NotificationDaemon.prototype = {
                     actions, hints, timeout) {
        let id;

-        // Filter out notifications from Empathy, since we
+        // Filter out chat and presence notifications from Empathy, since we
        // handle that information from telepathyClient.js
-        if (appName == 'Empathy') {
+        if (appName == 'Empathy' && (hints['category'] == 'im.received' ||
+              hints['category'] == 'presence.online' ||
+              hints['category'] == 'presence.offline')) {
            // Ignore replacesId since we already sent back a
            // NotificationClosed for that id.
            id = nextNotificationId++;
@ -203,8 +204,6 @@ NotificationDaemon.prototype = {
            return id;
        }

-        summary = GLib.markup_escape_text(summary, -1);
-
        let rewrites = rewriteRules[appName];
        if (rewrites) {
            for (let i = 0; i < rewrites.length; i++) {
@ -216,6 +215,15 @@ NotificationDaemon.prototype = {

        hints = Params.parse(hints, { urgency: Urgency.NORMAL }, true);

+        // Be compatible with the various hints for image data
+        // 'image-data' is the latest name of this hint, introduced in 1.2
+        if (!hints['image-data']) {
+            if (hints['image_data'])
+                hints['image-data'] = hints['image_data']; // version 1.1 of the spec
+            else if (hints['icon_data'])
+                hints['image-data'] = hints['icon_data']; // previous versions of the spec
+        }
+
        let ndata = { appName: appName,
                      icon: icon,
                      summary: summary,
@ -234,7 +242,8 @@ NotificationDaemon.prototype = {

        let sender = DBus.getCurrentMessageContext().sender;
        let pid = this._senderToPid[sender];
-        let source = pid ? this._sources[pid] : null;
+
+        let source = this._getSource(appName, pid, ndata);

        if (source) {
            this._notifyForSource(source, ndata);
@ -255,16 +264,23 @@ NotificationDaemon.prototype = {
                if (!ndata)
                    return;

-                this._senderToPid[sender] = pid;
-                source = this._sources[pid];
-
-                if (!source)
-                    source = this._newSource(appName, pid);
-                source.connect('destroy', Lang.bind(this,
-                    function() {
-                        delete this._senderToPid[sender];
-                    }));
+                source = this._getSource(appName, pid, ndata);

+                // We only store sender-pid entries for persistent sources.
+                // Removing the entries once the source is destroyed
+                // would result in the entries associated with transient
+                // sources removed once the notification is shown anyway.
+                // However, keeping these pairs would mean that we would
+                // possibly remove an entry associated with a persistent
+                // source when a transient source for the same sender is
+                // distroyed.
+                if (!source.isTransient) {
+                    this._senderToPid[sender] = pid;
+                    source.connect('destroy', Lang.bind(this,
+                        function() {
+                            delete this._senderToPid[sender];
+                        }));
+                }
                this._notifyForSource(source, ndata);
            }));

@ -279,63 +295,92 @@ NotificationDaemon.prototype = {
        let iconActor = this._iconForNotificationData(icon, hints, source.ICON_SIZE);

        if (notification == null) {
-            notification = new MessageTray.Notification(source, summary, body, { icon: iconActor });
+            notification = new MessageTray.Notification(source, summary, body,
+                                                        { icon: iconActor,
+                                                          bannerMarkup: true });
            ndata.notification = notification;
-            notification.connect('dismissed', Lang.bind(this,
-                function(n) {
-                    this._emitNotificationClosed(id, NotificationClosedReason.DISMISSED);
-                }));
            notification.connect('destroy', Lang.bind(this,
-                function(n) {
+                function(n, reason) {
                    delete this._notifications[id];
+                    let notificationClosedReason;
+                    switch (reason) {
+                        case MessageTray.NotificationDestroyedReason.EXPIRED:
+                            notificationClosedReason = NotificationClosedReason.EXPIRED;
+                            break;
+                        case MessageTray.NotificationDestroyedReason.DISMISSED:
+                            notificationClosedReason = NotificationClosedReason.DISMISSED;
+                            break;
+                        case MessageTray.NotificationDestroyedReason.SOURCE_CLOSED:
+                            notificationClosedReason = NotificationClosedReason.APP_CLOSED;
+                            break;
+                    }
+                    this._emitNotificationClosed(id, notificationClosedReason);
+                }));
+            notification.connect('action-invoked', Lang.bind(this,
+                function(n, actionId) {
+                    this._emitActionInvoked(id, actionId);
                }));
-            notification.connect('action-invoked', Lang.bind(this, this._actionInvoked, source, id));
        } else {
            notification.update(summary, body, { icon: iconActor,
+                                                 bannerMarkup: true,
                                                 clear: true });
        }

        if (actions.length) {
+            notification.setUseActionIcons(hints['action-icons'] == true);
            for (let i = 0; i < actions.length - 1; i += 2)
                notification.addButton(actions[i], actions[i + 1]);
        }
-
-        notification.setUrgent(hints.urgency == Urgency.CRITICAL);
+        switch (hints.urgency) {
+            case Urgency.LOW:
+                notification.setUrgency(MessageTray.Urgency.LOW);
+                break;
+            case Urgency.NORMAL:
+                notification.setUrgency(MessageTray.Urgency.NORMAL);
+                break;
+            case Urgency.CRITICAL:
+                notification.setUrgency(MessageTray.Urgency.CRITICAL);
+                break;
+        }
+        notification.setResident(hints.resident == true);
+        // 'transient' is a reserved keyword in JS, so we have to retrieve the value
+        // of the 'transient' hint with hints['transient'] rather than hints.transient
+        notification.setTransient(hints['transient'] == true);

        let sourceIconActor = source.useNotificationIcon ? this._iconForNotificationData(icon, hints, source.ICON_SIZE) : null;
-        source.notify(notification, sourceIconActor);
+        source.processNotification(notification, sourceIconActor);
    },

    CloseNotification: function(id) {
        let ndata = this._notifications[id];
        if (ndata) {
            if (ndata.notification)
-                ndata.notification.destroy();
+                ndata.notification.destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
            delete this._notifications[id];
        }
-        this._emitNotificationClosed(id, NotificationClosedReason.APP_CLOSED);
    },

    GetCapabilities: function() {
        return [
            'actions',
+            'action-icons',
            'body',
            // 'body-hyperlinks',
            // 'body-images',
            'body-markup',
            // 'icon-multi',
            'icon-static',
+            'persistence',
            // 'sound',
-            'x-gnome-icon-buttons'
        ];
    },

    GetServerInformation: function() {
        return [
-            'GNOME Shell',
+            Config.PACKAGE_NAME,
            'GNOME',
-            '0.1', // FIXME, get this from somewhere
-            '1.0'
+            Config.PACKAGE_VERSION,
+            '1.2'
        ];
    },

@ -347,17 +392,12 @@ NotificationDaemon.prototype = {
        for (let id in this._sources) {
            let source = this._sources[id];
            if (source.app == tracker.focus_app) {
-                source.destroy();
+                source.destroyNonResidentNotifications();
                return;
            }
        }
    },

-    _actionInvoked: function(notification, action, source, id) {
-        source.destroy();
-        this._emitActionInvoked(id, action);
-    },
-
    _emitNotificationClosed: function(id, reason) {
        DBus.session.emit_signal('/org/freedesktop/Notifications',
                                 'org.freedesktop.Notifications',
@ -373,9 +413,7 @@ NotificationDaemon.prototype = {
    },

    _onTrayIconAdded: function(o, icon) {
-        let source = this._sources[icon.pid];
-        if (!source)
-            source = this._newSource(icon.title, icon.pid);
+        let source = this._getSource(icon.title || icon.wm_class || _("Unknown"), icon.pid, null);
        source.setTrayIcon(icon);
    },

@ -399,29 +437,74 @@ Source.prototype = {
        MessageTray.Source.prototype._init.call(this, title);

        this._pid = pid;
+        this._appStateChangedId = 0;
        this._setApp();
        if (this.app)
            this.title = this.app.get_name();
        else
            this.useNotificationIcon = true;
+        this._trayIcon = null;
    },

-    notify: function(notification, icon) {
+    processNotification: function(notification, icon) {
        if (!this.app)
            this._setApp();
        if (!this.app && icon)
            this._setSummaryIcon(icon);
-        MessageTray.Source.prototype.notify.call(this, notification);
+
+        let tracker = Shell.WindowTracker.get_default();
+        if (notification.resident && this.app && tracker.focus_app == this.app)
+            this.pushNotification(notification);
+        else
+            this.notify(notification);
+    },
+
+    handleSummaryClick: function() {
+        if (!this._trayIcon)
+            return false;
+
+        let event = Clutter.get_current_event();
+        if (event.type() != Clutter.EventType.BUTTON_RELEASE)
+            return false;
+
+        // Left clicks are passed through only where there aren't unacknowledged
+        // notifications, so it possible to open them in summary mode; right
+        // clicks are always forwarded, as the right click menu is not useful for
+        // tray icons
+        if (event.get_button() == 1 &&
+            this.notifications.length > 0)
+            return false;
+
+        if (Main.overview.visible) {
+            // We can't just connect to Main.overview's 'hidden' signal,
+            // because it's emitted *before* it calls popModal()...
+            let id = global.connect('notify::stage-input-mode', Lang.bind(this,
+                function () {
+                    global.disconnect(id);
+                    this._trayIcon.click(event);
+                }));
+            Main.overview.hide();
+        } else {
+            this._trayIcon.click(event);
+        }
+        return true;
    },

    _setApp: function() {
+        if (this.app)
+            return;
+
        this.app = Shell.WindowTracker.get_default().get_app_from_pid(this._pid);
        if (!this.app)
            return;

+        // We only update the app if this.app is null, so we can't disconnect the old this._appStateChangedId
+        // even if it were non-zero for some reason.
+        this._appStateChangedId = this.app.connect('notify::state', Lang.bind(this,  this._appStateChanged));
+
        // Only override the icon if we were previously using
-        // notification-based icons (ie, not a trayicon)
-        if (this.useNotificationIcon) {
+        // notification-based icons (ie, not a trayicon) or if it was unset before
+        if (!this._trayIcon) {
            this.useNotificationIcon = false;
            this._setSummaryIcon(this.app.create_icon_texture (this.ICON_SIZE));
        }
@ -430,11 +513,30 @@ Source.prototype = {
    setTrayIcon: function(icon) {
        this._setSummaryIcon(icon);
        this.useNotificationIcon = false;
+        this._trayIcon = icon;
    },

-    clicked: function() {
+    open: function(notification) {
+        this.destroyNonResidentNotifications();
        this.openApp();
-        MessageTray.Source.prototype.clicked.call(this);
+    },
+
+    _lastNotificationRemoved: function() {
+        if (!this._trayIcon)
+            this.destroy();
+    },
+
+    _appStateChanged: function() {
+        // Destroy notification sources when their apps exit.
+        // The app exiting would normally result in a tray icon being removed,
+        // so the associated source would be destroyed through the code path
+        // that handles the tray icon being removed. We should not destroy
+        // the source associated with a tray icon when the application state
+        // is Shell.AppState.STOPPED because running applications that have
+        // no open windows would also have that state. This is often the case
+        // for applications that use tray icons.
+        if (!this._trayIcon && this.app.get_state() == Shell.AppState.STOPPED)
+            this.destroy();
    },

    openApp: function() {
@ -446,5 +548,13 @@ Source.prototype = {
            let mostRecentWindow = windows[0];
            Main.activateWindow(mostRecentWindow);
        }
+    },
+
+    destroy: function() {
+        if (this.app && this._appStateChangedId) {
+            this.app.disconnect(this._appStateChangedId);
+            this._appStateChangedId = 0;
+        }
+        MessageTray.Source.prototype.destroy.call(this);
    }
 };
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
--- a/js/ui/panel.js
+++ b/js/ui/panel.js
--- a/js/ui/panelMenu.js
+++ b/js/ui/panelMenu.js
@ -1,6 +1,9 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

+const Clutter = imports.gi.Clutter;
+const Gtk = imports.gi.Gtk;
 const St = imports.gi.St;
+
 const Lang = imports.lang;
 const PopupMenu = imports.ui.popupMenu;
 const Main = imports.ui.main;
@ -13,27 +16,70 @@ Button.prototype = {
    _init: function(menuAlignment) {
        this.actor = new St.Bin({ style_class: 'panel-button',
                                  reactive: true,
+                                  can_focus: true,
                                  x_fill: true,
                                  y_fill: false,
                                  track_hover: true });
        this.actor._delegate = this;
        this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
-        this.menu = new PopupMenu.PopupMenu(this.actor, menuAlignment, St.Side.TOP, /* FIXME */ 0);
+        this.actor.connect('key-press-event', Lang.bind(this, this._onSourceKeyPress));
+        this.menu = new PopupMenu.PopupMenu(this.actor, menuAlignment, St.Side.TOP, 0);
        this.menu.connect('open-state-changed', Lang.bind(this, this._onOpenStateChanged));
+        this.menu.actor.connect('key-press-event', Lang.bind(this, this._onMenuKeyPress));
        Main.chrome.addActor(this.menu.actor, { visibleInOverview: true,
                                                affectsStruts: false });
        this.menu.actor.hide();
    },

    _onButtonPress: function(actor, event) {
+        if (!this.menu.isOpen) {
+            // Setting the max-height won't do any good if the minimum height of the
+            // menu is higher then the screen; it's useful if part of the menu is
+            // scrollable so the minimum height is smaller than the natural height
+            let monitor = global.get_primary_monitor();
+            this.menu.actor.style = ('max-height: ' +
+                                     Math.round(monitor.height - Main.panel.actor.height) +
+                                     'px;');
+        }
        this.menu.toggle();
    },

+    _onSourceKeyPress: function(actor, event) {
+        let symbol = event.get_key_symbol();
+        if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
+            this.menu.toggle();
+            return true;
+        } else if (symbol == Clutter.KEY_Escape && this.menu.isOpen) {
+            this.menu.close();
+            return true;
+        } else if (symbol == Clutter.KEY_Down) {
+            if (!this.menu.isOpen)
+                this.menu.toggle();
+            this.menu.actor.navigate_focus(this.actor, Gtk.DirectionType.DOWN, false);
+            return true;
+        } else
+            return false;
+    },
+
+    _onMenuKeyPress: function(actor, event) {
+        let symbol = event.get_key_symbol();
+        if (symbol == Clutter.KEY_Left || symbol == Clutter.KEY_Right) {
+            let focusManager = St.FocusManager.get_for_stage(global.stage);
+            let group = focusManager.get_group(this.actor);
+            if (group) {
+                let direction = (symbol == Clutter.KEY_Left) ? Gtk.DirectionType.LEFT : Gtk.DirectionType.RIGHT;
+                group.navigate_focus(this.actor, direction, false);
+                return true;
+            }
+        }
+        return false;
+    },
+
    _onOpenStateChanged: function(menu, open) {
        if (open)
-            this.actor.add_style_pseudo_class('pressed');
+            this.actor.add_style_pseudo_class('active');
        else
-            this.actor.remove_style_pseudo_class('pressed');
+            this.actor.remove_style_pseudo_class('active');
    }
 };

@ -51,18 +97,20 @@ SystemStatusButton.prototype = {
    __proto__: Button.prototype,

    _init: function(iconName,tooltipText) {
-        Button.prototype._init.call(this, St.Align.START);
-        this._iconActor = null;
-        this.setIcon(iconName);
+        Button.prototype._init.call(this, 0.0);
+        this._iconActor = new St.Icon({ icon_name: iconName,
+                                        icon_type: St.IconType.SYMBOLIC,
+                                        style_class: 'system-status-icon' });
+        this.actor.set_child(this._iconActor);
        this.setTooltip(tooltipText);
    },

    setIcon: function(iconName) {
-        this._iconName = iconName;
-        if (this._iconActor)
-            this._iconActor.destroy();
-        this._iconActor = St.TextureCache.get_default().load_icon_name(this._iconName, St.IconType.SYMBOLIC, 24);
-        this.actor.set_child(this._iconActor);
+        this._iconActor.icon_name = iconName;
+    },
+
+    setGIcon: function(gicon) {
+        this._iconActor.gicon = gicon;
    },

    setTooltip: function(text) {
@ -75,4 +123,4 @@ SystemStatusButton.prototype = {
            this.tooltip = null;
        }
    }
-};
+};
--- a/js/ui/placeDisplay.js
+++ b/js/ui/placeDisplay.js
@ -1,6 +1,5 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

-const GConf = imports.gi.GConf;
 const GLib = imports.gi.GLib;
 const Gio = imports.gi.Gio;
 const Shell = imports.gi.Shell;
@ -13,12 +12,9 @@ const _ = Gettext.gettext;

 const DND = imports.ui.dnd;
 const Main = imports.ui.main;
+const Params = imports.misc.params;
 const Search = imports.ui.search;
-
-const NAUTILUS_PREFS_DIR = '/apps/nautilus/preferences';
-const DESKTOP_IS_HOME_KEY = NAUTILUS_PREFS_DIR + '/desktop_is_home_dir';
-
-const PLACES_ICON_SIZE = 16;
+const Util = imports.misc.util;

 /**
 * Represents a place object, which is most normally a bookmark entry,
@ -63,6 +59,21 @@ PlaceInfo.prototype = {
    }
 };

+// Helper function to translate launch parameters into a GAppLaunchContext
+function _makeLaunchContext(params)
+{
+    params = Params.parse(params, { workspace: null,
+                                    timestamp: null });
+
+    let launchContext = global.create_app_launch_context();
+    if (params.workspace != null)
+        launchContext.set_desktop(params.workspace.index());
+    if (params.timestamp != null)
+        launchContext.set_timestamp(params.timestamp);
+
+    return launchContext;
+}
+
 function PlaceDeviceInfo(mount) {
    this._init(mount);
 }
@ -79,12 +90,12 @@ PlaceDeviceInfo.prototype = {

    iconFactory: function(size) {
        let icon = this._mount.get_icon();
-        return St.TextureCache.get_default().load_gicon(icon, size);
+        return St.TextureCache.get_default().load_gicon(null, icon, size);
    },

-    launch: function() {
+    launch: function(params) {
        Gio.app_info_launch_default_for_uri(this._mount.get_root().get_uri(),
-                                            global.create_app_launch_context());
+                                            _makeLaunchContext(params));
    },

    isRemovable: function() {
@ -109,27 +120,22 @@ PlaceDeviceInfo.prototype = {
                this._mount.unmount_finish(res);
        } catch (e) {
            let message = _("Failed to unmount '%s'").format(o.get_name());
-            Main.overview.infoBar.setMessage(message,
+            Main.overview.shellInfo.setMessage(message,
                                             Lang.bind(this, this.remove),
                                             _("Retry"));
        }
    }
 };

-
 function PlacesManager() {
    this._init();
 }

 PlacesManager.prototype = {
    _init: function() {
-        let gconf = GConf.Client.get_default();
-        gconf.add_dir(NAUTILUS_PREFS_DIR, GConf.ClientPreloadType.PRELOAD_NONE);
-
        this._defaultPlaces = [];
        this._mounts = [];
        this._bookmarks = [];
-        this._isDesktopHome = gconf.get_bool(DESKTOP_IS_HOME_KEY);

        let homeFile = Gio.file_new_for_path (GLib.get_home_dir());
        let homeUri = homeFile.get_uri();
@ -137,10 +143,10 @@ PlacesManager.prototype = {
        let homeIcon = Shell.util_get_icon_for_uri (homeUri);
        this._home = new PlaceInfo('special:home', homeLabel,
            function(size) {
-                return St.TextureCache.get_default().load_gicon(homeIcon, size);
+                return St.TextureCache.get_default().load_gicon(null, homeIcon, size);
            },
-            function() {
-                Gio.app_info_launch_default_for_uri(homeUri, global.create_app_launch_context());
+            function(params) {
+                Gio.app_info_launch_default_for_uri(homeUri, _makeLaunchContext(params));
            });

        let desktopPath = GLib.get_user_special_dir(GLib.UserDirectory.DIRECTORY_DESKTOP);
@ -150,50 +156,28 @@ PlacesManager.prototype = {
        let desktopIcon = Shell.util_get_icon_for_uri (desktopUri);
        this._desktopMenu = new PlaceInfo('special:desktop', desktopLabel,
            function(size) {
-                return St.TextureCache.get_default().load_gicon(desktopIcon, size);
+                return St.TextureCache.get_default().load_gicon(null, desktopIcon, size);
            },
-            function() {
-                Gio.app_info_launch_default_for_uri(desktopUri, global.create_app_launch_context());
+            function(params) {
+                Gio.app_info_launch_default_for_uri(desktopUri, _makeLaunchContext(params));
            });

        this._connect = new PlaceInfo('special:connect', _("Connect to..."),
            function (size) {
-                return St.TextureCache.get_default().load_icon_name('applications-internet', St.IconType.FULLCOLOR, size);
+                return new St.Icon({ icon_name: 'applications-internet',
+                                     icon_type: St.IconType.FULLCOLOR,
+                                     icon_size: size });
            },
-            function () {
-                new Shell.Process({ args: ['nautilus-connect-server'] }).run();
+            function (params) {
+                // BUG: nautilus-connect-server doesn't have a desktop file, so we can't
+                // launch it with the workspace from params. It's probably pretty rare
+                // and odd to drag this place onto a workspace in any case
+
+                Util.spawn(['nautilus-connect-server']);
            });

-        let networkApp = null;
-        try {
-            networkApp = Shell.AppSystem.get_default().load_from_desktop_file('gnome-network-scheme.desktop');
-        } catch(e) {
-            try {
-                networkApp = Shell.AppSystem.get_default().load_from_desktop_file('network-scheme.desktop');
-            } catch(e) {
-                log('Cannot create "Network" item, .desktop file not found or corrupt.');
-            }
-        }
-
-        if (networkApp != null) {
-            this._network = new PlaceInfo('special:network', networkApp.get_name(),
-                function(size) {
-                    return networkApp.create_icon_texture(size);
-                },
-                function () {
-                    networkApp.launch();
-                });
-        }
-
        this._defaultPlaces.push(this._home);
-
-        this._desktopMenuIndex = this._defaultPlaces.length;
-        if (!this._isDesktopHome)
-            this._defaultPlaces.push(this._desktopMenu);
-
-        if (this._network)
-            this._defaultPlaces.push(this._network);
-
+        this._defaultPlaces.push(this._desktopMenu);
        this._defaultPlaces.push(this._connect);

        /*
@ -227,9 +211,6 @@ PlacesManager.prototype = {
        }));

        this._reloadBookmarks();
-
-        gconf.notify_add(DESKTOP_IS_HOME_KEY, Lang.bind(this, this._updateDesktopMenuVisibility));
-
    },

    _updateDevices: function() {
@ -325,10 +306,10 @@ PlacesManager.prototype = {

            let item = new PlaceInfo('bookmark:' + bookmark, label,
                function(size) {
-                    return St.TextureCache.get_default().load_gicon(icon, size);
+                    return St.TextureCache.get_default().load_gicon(null, icon, size);
                },
-                function() {
-                    Gio.app_info_launch_default_for_uri(bookmark, global.create_app_launch_context());
+                function(params) {
+                    Gio.app_info_launch_default_for_uri(bookmark, _makeLaunchContext(params));
                });
            this._bookmarks.push(item);
        }
@ -338,21 +319,6 @@ PlacesManager.prototype = {
        this.emit('places-updated');
    },

-    _updateDesktopMenuVisibility: function() {
-        let gconf = GConf.Client.get_default();
-        this._isDesktopHome = gconf.get_boolean(DESKTOP_IS_HOME_KEY);
-
-        if (this._isDesktopHome)
-            this._removeById(this._defaultPlaces, 'special:desktop');
-        else
-            this._defaultPlaces.splice(this._desktopMenuIndex, 0,
-                                       this._desktopMenu);
-
-        /* See comment in _updateDevices for explanation why there are two signals. */
-        this.emit('defaults-updated');
-        this.emit('places-updated');
-    },
-
    _addMount: function(mount) {
        let devItem = new PlaceDeviceInfo(mount);
        this._mounts.push(devItem);
@ -400,148 +366,8 @@ PlacesManager.prototype = {
        sourceArray.splice(this._lookupIndexById(sourceArray, id), 1);
    }
 };
-
 Signals.addSignalMethods(PlacesManager.prototype);

-/**
- * An entry in the places menu.
- * @info The corresponding PlaceInfo to populate this entry.
- */
-function DashPlaceDisplayItem(info) {
-    this._init(info);
-}
-
-DashPlaceDisplayItem.prototype = {
-    _init: function(info) {
-        this.name = info.name;
-        this._info = info;
-        this._icon = info.iconFactory(PLACES_ICON_SIZE);
-
-        this.actor = new St.Clickable({ style_class: 'places-item',
-                                        reactive: true,
-                                        x_align: St.Align.START,
-                                        x_fill: true });
-
-        let box = new St.BoxLayout({ style_class: 'places-item-box' });
-        this.actor.set_child(box);
-
-        let bin = new St.Bin({ child: this._icon });
-        box.add(bin);
-
-        let text = new St.Label({ text: info.name });
-        box.add(text, { expand: true, x_fill: true });
-
-        if (info.isRemovable()) {
-            let removeIcon = St.TextureCache.get_default().load_icon_name ('media-eject', St.IconType.FULLCOLOR, PLACES_ICON_SIZE);
-            let removeIconBox = new St.Clickable({ child: removeIcon,
-                                                   reactive: true });
-            box.add(removeIconBox);
-            removeIconBox.connect('clicked',
-                                  Lang.bind(this, function() {
-                                                  this._info.remove();
-                                            }));
-        }
-
-        this.actor.connect('clicked', Lang.bind(this, this._onClicked));
-
-        this.actor._delegate = this;
-        this._draggable = DND.makeDraggable(this.actor);
-        this._draggable.connect('drag-begin',
-                                Lang.bind(this, function() {
-                                    Main.overview.beginItemDrag(this);
-                                }));
-        this._draggable.connect('drag-end',
-                                Lang.bind(this, function() {
-                                    Main.overview.endItemDrag(this);
-                                }));
-    },
-
-    _onClicked: function(b) {
-        this._info.launch();
-        Main.overview.hide();
-    },
-
-    getDragActorSource: function() {
-        return this._icon;
-    },
-
-    getDragActor: function(stageX, stageY) {
-        return this._info.iconFactory(PLACES_ICON_SIZE);
-    },
-
-    //// Drag and drop methods ////
-
-    shellWorkspaceLaunch: function() {
-        this._info.launch();
-    }
-};
-
-function DashPlaceDisplay() {
-    this._init();
-}
-
-DashPlaceDisplay.prototype = {
-    _init: function() {
-
-        // Places is divided semi-arbitrarily into left and right; a grid would
-        // look better in that there would be an even number of items left+right,
-        // but it seems like we want some sort of differentiation between actions
-        // like "Connect to server..." and regular folders
-        this.actor = new St.Table({ style_class: 'places-section',
-                                    homogeneous: true });
-
-        this._defaultsList = [];
-        this._bookmarksList = [];
-        this._mountsList = [];
-
-        Main.placesManager.connect('defaults-updated', Lang.bind(this, this._updateDefaults));
-        Main.placesManager.connect('bookmarks-updated', Lang.bind(this, this._updateBookmarks));
-        Main.placesManager.connect('mounts-updated', Lang.bind(this, this._updateMounts));
-
-        this._updateDefaults();
-        this._updateMounts();
-        this._updateBookmarks();
-    },
-
-    _updateDefaults: function() {
-        for (let i = 0; i < this._defaultsList.length; i++)
-            this._defaultsList[i].destroy();
-
-        this._defaultsList = [];
-        let places = Main.placesManager.getDefaultPlaces();
-        for (let i = 0; i < places.length; i++) {
-            this._defaultsList[i] = new DashPlaceDisplayItem(places[i]).actor;
-            this.actor.add(this._defaultsList[i], {row: i, col: 0});
-        }
-        this._updateMounts();
-    },
-
-    _updateMounts: function() {
-        for (let i = 0; i < this._mountsList.length; i++)
-            this._mountsList[i].destroy();
-
-        this._mountsList = [];
-        let places = Main.placesManager.getMounts();
-        for (let i = 0; i < places.length; i++) {
-             this._mountsList[i] = new DashPlaceDisplayItem(places[i]).actor;
-             this.actor.add(this._mountsList[i], {row: this._defaultsList.length + i, col: 0});
-        }
-    },
-
-    _updateBookmarks: function() {
-        for (let i = 0; i < this._bookmarksList.length; i++)
-            this._bookmarksList[i].destroy();
-
-        this._bookmarksList = [];
-        let places = Main.placesManager.getBookmarks();
-        for (let i = 0; i < places.length; i ++) {
-            this._bookmarksList[i] = new DashPlaceDisplayItem(places[i]).actor;
-            this.actor.add(this._bookmarksList[i], {row: i, col: 1});
-        }
-    }
-};
-
-Signals.addSignalMethods(DashPlaceDisplay.prototype);

 function PlaceSearchProvider() {
    this._init();
@ -560,12 +386,15 @@ PlaceSearchProvider.prototype = {
            return null;
        return { 'id': resultId,
                 'name': placeInfo.name,
-                 'icon': placeInfo.iconFactory(Search.RESULT_ICON_SIZE) };
+                 'createIcon': function(size) {
+                                   return placeInfo.iconFactory(size);
+                               }
+               };
    },

-    activateResult: function(id) {
+    activateResult: function(id, params) {
        let placeInfo = Main.placesManager.lookupPlaceById(id);
-        placeInfo.launch();
+        placeInfo.launch(params);
    },

    _compareResultMeta: function (idA, idB) {
--- a/js/ui/polkitAuthenticationAgent.js
+++ b/js/ui/polkitAuthenticationAgent.js
@ -0,0 +1,412 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*-
+ *
+ * Copyright 2010 Red Hat, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+*
+ * Author: David Zeuthen <davidz@redhat.com>
+ */
+
+const Lang = imports.lang;
+const Signals = imports.signals;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+const Shell = imports.gi.Shell;
+const Clutter = imports.gi.Clutter;
+const St = imports.gi.St;
+const Pango = imports.gi.Pango;
+const Gdm = imports.gi.Gdm;
+const Gio = imports.gi.Gio;
+const Mainloop = imports.mainloop;
+const Polkit = imports.gi.Polkit;
+const PolkitAgent = imports.gi.PolkitAgent;
+
+const ModalDialog = imports.ui.modalDialog;
+
+function AuthenticationDialog(actionId, message, cookie, userNames) {
+    this._init(actionId, message, cookie, userNames);
+}
+
+AuthenticationDialog.prototype = {
+    __proto__: ModalDialog.ModalDialog.prototype,
+
+    _init: function(actionId, message, cookie, userNames) {
+        ModalDialog.ModalDialog.prototype._init.call(this, { styleClass: 'polkit-dialog' });
+
+        this.actionId = actionId;
+        this.message = message;
+        this.userNames = userNames;
+        this._wasDismissed = false;
+        this._completed = false;
+
+        let mainContentBox = new St.BoxLayout({ style_class: 'polkit-dialog-main-layout',
+                                                vertical: false });
+        this.contentLayout.add(mainContentBox,
+                               { x_fill: true,
+                                 y_fill: true });
+
+        let icon = new St.Icon({ icon_name: 'dialog-password-symbolic' });
+        mainContentBox.add(icon,
+                           { x_fill:  true,
+                             y_fill:  false,
+                             x_align: St.Align.END,
+                             y_align: St.Align.START });
+
+        let messageBox = new St.BoxLayout({ style_class: 'polkit-dialog-message-layout',
+                                            vertical: true });
+        mainContentBox.add(messageBox,
+                           { y_align: St.Align.START });
+
+        this._subjectLabel = new St.Label({ style_class: 'polkit-dialog-headline',
+                                            text: _("Authentication Required") });
+
+        messageBox.add(this._subjectLabel,
+                       { y_fill:  false,
+                         y_align: St.Align.START });
+
+        this._descriptionLabel = new St.Label({ style_class: 'polkit-dialog-description',
+                                                text: message });
+        this._descriptionLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
+        this._descriptionLabel.clutter_text.line_wrap = true;
+
+        messageBox.add(this._descriptionLabel,
+                       { y_fill:  true,
+                         y_align: St.Align.START });
+
+        if (userNames.length > 1) {
+            log('polkitAuthenticationAgent: Received ' + userNames.length +
+                ' identities that can be used for authentication. Only ' +
+                'considering the first one.');
+        }
+
+        let userName = userNames[0];
+
+        this._user = Gdm.UserManager.ref_default().get_user(userName);
+        let userRealName = this._user.get_real_name()
+        this._userLoadedId = this._user.connect('notify::is_loaded',
+                                                Lang.bind(this, this._onUserChanged));
+        this._userChangedId = this._user.connect('changed',
+                                                 Lang.bind(this, this._onUserChanged));
+
+        // Special case 'root'
+        let userIsRoot = false;
+        if (userName == 'root') {
+            userIsRoot = true;
+            userRealName = _("Administrator");
+        }
+
+        if (userIsRoot) {
+            let userLabel = new St.Label(({ style_class: 'polkit-dialog-user-root-label',
+                                            text: userRealName }));
+            messageBox.add(userLabel);
+        } else {
+            let userBox = new St.BoxLayout({ style_class: 'polkit-dialog-user-layout',
+                                             vertical: false });
+            messageBox.add(userBox);
+            this._userIcon = new St.Icon();
+            this._userIcon.hide();
+            userBox.add(this._userIcon,
+                        { x_fill:  true,
+                          y_fill:  false,
+                          x_align: St.Align.END,
+                          y_align: St.Align.START });
+            let userLabel = new St.Label(({ style_class: 'polkit-dialog-user-label',
+                                            text: userRealName }));
+            userBox.add(userLabel,
+                        { x_fill:  true,
+                          y_fill:  false,
+                          x_align: St.Align.END,
+                          y_align: St.Align.MIDDLE });
+        }
+
+        this._onUserChanged();
+
+        this._passwordBox = new St.BoxLayout({ vertical: false });
+        messageBox.add(this._passwordBox);
+        this._passwordLabel = new St.Label(({ style_class: 'polkit-dialog-password-label' }));
+        this._passwordBox.add(this._passwordLabel);
+        this._passwordEntry = new St.Entry({ style_class: 'polkit-dialog-password-entry',
+                                             text: "",
+                                             can_focus: true});
+        this._passwordEntry.clutter_text.connect('activate', Lang.bind(this, this._onEntryActivate));
+        this._passwordBox.add(this._passwordEntry,
+                              {expand: true });
+        this._passwordBox.hide();
+
+        this._errorMessageLabel = new St.Label({ style_class: 'polkit-dialog-error-label' });
+        this._errorMessageLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
+        this._errorMessageLabel.clutter_text.line_wrap = true;
+        messageBox.add(this._errorMessageLabel);
+        this._errorMessageLabel.hide();
+
+        this._infoMessageLabel = new St.Label({ style_class: 'polkit-dialog-info-label' });
+        this._infoMessageLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
+        this._infoMessageLabel.clutter_text.line_wrap = true;
+        messageBox.add(this._infoMessageLabel);
+        this._infoMessageLabel.hide();
+
+        /* text is intentionally non-blank otherwise the height is not the same as for
+         * infoMessage and errorMessageLabel - but it is still invisible because
+         * gnome-shell.css sets the color to be transparent
+         */
+        this._nullMessageLabel = new St.Label({ style_class: 'polkit-dialog-null-label',
+                                                text: 'abc'});
+        this._nullMessageLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
+        this._nullMessageLabel.clutter_text.line_wrap = true;
+        messageBox.add(this._nullMessageLabel);
+        this._nullMessageLabel.show();
+
+        this.setButtons([{ label: _("Cancel"),
+                           action: Lang.bind(this, this.cancel),
+                           key:    Clutter.Escape
+                         },
+                         { label:  _("Authenticate"),
+                           action: Lang.bind(this, this._onAuthenticateButtonPressed)
+                         }]);
+
+        this._doneEmitted = false;
+
+        this._identityToAuth = Polkit.UnixUser.new_for_name(userName);
+        this._cookie = cookie;
+
+        this._session = new PolkitAgent.Session({ identity: this._identityToAuth,
+                                                  cookie: this._cookie });
+        this._session.connect('completed', Lang.bind(this, this._onSessionCompleted));
+        this._session.connect('request', Lang.bind(this, this._onSessionRequest));
+        this._session.connect('show-error', Lang.bind(this, this._onSessionShowError));
+        this._session.connect('show-info', Lang.bind(this, this._onSessionShowInfo));
+
+        // Delay focus grab to avoid ModalDialog stealing focus with
+        // its buttons
+        this.connect('opened',
+                     Lang.bind(this, function() {
+                         this._passwordEntry.grab_key_focus();
+                     }));
+    },
+
+    startAuthentication: function() {
+        this._session.initiate();
+    },
+
+    _ensureOpen: function() {
+        // NOTE: ModalDialog.open() is safe to call if the dialog is
+        // already open - it just returns true without side-effects
+        if (!this.open(global.get_current_time())) {
+            // This can fail if e.g. unable to get input grab
+            //
+            // In an ideal world this wouldn't happen (because the
+            // Shell is in complete control of the session) but that's
+            // just not how things work right now.
+            //
+            // One way to make this happen is by running 'sleep 3;
+            // pkexec bash' and then opening a popup menu.
+            //
+            // We could add retrying if this turns out to be a problem
+
+            log('polkitAuthenticationAgent: Failed to show modal dialog.' +
+                ' Dismissing authentication request for action-id ' + this.actionId +
+                ' cookie ' + this._cookie);
+            this._emitDone(false, true);
+        }
+    },
+
+    _emitDone: function(keepVisible, dismissed) {
+        if (!this._doneEmitted) {
+            this._doneEmitted = true;
+            this.emit('done', keepVisible, dismissed);
+        }
+    },
+
+    _onEntryActivate: function() {
+        let response = this._passwordEntry.get_text();
+        this._session.response(response);
+        // When the user responds, dismiss already shown info and
+        // error texts (if any)
+        this._errorMessageLabel.hide();
+        this._infoMessageLabel.hide();
+        this._nullMessageLabel.show();
+    },
+
+    _onAuthenticateButtonPressed: function() {
+        this._onEntryActivate();
+    },
+
+    _onSessionCompleted: function(session, gainedAuthorization) {
+        if (this._completed)
+            return;
+
+        this._completed = true;
+
+        if (!gainedAuthorization) {
+            /* Unless we are showing an existing error message from the PAM
+             * module (the PAM module could be reporting the authentication
+             * error providing authentication-method specific information),
+             * show "Sorry, that didn't work. Please try again."
+             */
+            if (!this._errorMessageLabel.visible && !this._wasDismissed) {
+                /* Translators: "that didn't work" refers to the fact that the
+                 * requested authentication was not gained; this can happen
+                 * because of an authentication error (like invalid password),
+                 * for instance. */
+                this._errorMessageLabel.set_text(_("Sorry, that didn\'t work. Please try again."));
+                this._errorMessageLabel.show();
+                this._infoMessageLabel.hide();
+                this._nullMessageLabel.hide();
+            }
+        }
+        this._emitDone(!gainedAuthorization, false);
+    },
+
+    _onSessionRequest: function(session, request, echo_on) {
+        // Cheap localization trick
+        if (request == 'Password:')
+            this._passwordLabel.set_text(_("Password:"));
+        else
+            this._passwordLabel.set_text(request);
+
+        if (echo_on)
+            this._passwordEntry.clutter_text.set_password_char('');
+        else
+            this._passwordEntry.clutter_text.set_password_char('\u25cf'); // ● U+25CF BLACK CIRCLE
+
+        this._passwordBox.show();
+        this._passwordEntry.set_text('');
+        this._passwordEntry.grab_key_focus();
+        this._ensureOpen();
+    },
+
+    _onSessionShowError: function(session, text) {
+        this._passwordEntry.set_text('');
+        this._errorMessageLabel.set_text(text);
+        this._errorMessageLabel.show();
+        this._infoMessageLabel.hide();
+        this._nullMessageLabel.hide();
+        this._ensureOpen();
+    },
+
+    _onSessionShowInfo: function(session, text) {
+        this._passwordEntry.set_text('');
+        this._infoMessageLabel.set_text(text);
+        this._infoMessageLabel.show();
+        this._errorMessageLabel.hide();
+        this._nullMessageLabel.hide();
+        this._ensureOpen();
+    },
+
+    destroySession: function() {
+        if (this._session) {
+            if (!this._completed)
+                this._session.cancel();
+            this._session = null;
+        }
+    },
+
+    _onUserChanged: function() {
+        if (this._user.is_loaded) {
+            if (this._userIcon) {
+                let iconFileName = this._user.get_icon_file();
+                let iconFile = Gio.file_new_for_path(iconFileName);
+                let icon;
+                if (iconFile.query_exists(null)) {
+                    icon = new Gio.FileIcon({file: iconFile});
+                } else {
+                    icon = new Gio.ThemedIcon({name: 'avatar-default'});
+                }
+                this._userIcon.set_gicon (icon);
+                this._userIcon.show();
+            }
+        }
+    },
+
+    cancel: function() {
+        this._wasDismissed = true;
+        this.close(global.get_current_time());
+        this._emitDone(false, true);
+    },
+
+};
+Signals.addSignalMethods(AuthenticationDialog.prototype);
+
+function AuthenticationAgent() {
+    this._init();
+}
+
+AuthenticationAgent.prototype = {
+    _init: function() {
+        this._native = new Shell.PolkitAuthenticationAgent();
+        this._native.connect('initiate', Lang.bind(this, this._onInitiate));
+        this._native.connect('cancel', Lang.bind(this, this._onCancel));
+        this._currentDialog = null;
+        this._isCompleting = false;
+    },
+
+    _onInitiate: function(nativeAgent, actionId, message, iconName, cookie, userNames) {
+        this._currentDialog = new AuthenticationDialog(actionId, message, cookie, userNames);
+
+        // We actually don't want to open the dialog until we know for
+        // sure that we're going to interact with the user. For
+        // example, if the password for the identity to auth is blank
+        // (which it will be on a live CD) then there will be no
+        // conversation at all... of course, we don't *know* that
+        // until we actually try it.
+        //
+        // See https://bugzilla.gnome.org/show_bug.cgi?id=643062 for more
+        // discussion.
+
+        this._currentDialog.connect('done', Lang.bind(this, this._onDialogDone));
+        this._currentDialog.startAuthentication();
+    },
+
+    _onCancel: function(nativeAgent) {
+        this._completeRequest(false, false);
+    },
+
+    _onDialogDone: function(dialog, keepVisible, dismissed) {
+        this._completeRequest(keepVisible, dismissed);
+    },
+
+    _reallyCompleteRequest: function(dismissed) {
+        this._currentDialog.close();
+        this._currentDialog.destroySession();
+        this._currentDialog = null;
+        this._isCompleting = false;
+
+        this._native.complete(dismissed)
+    },
+
+    _completeRequest: function(keepVisible, wasDismissed) {
+        if (this._isCompleting)
+            return;
+
+        this._isCompleting = true;
+
+        if (keepVisible) {
+            // Give the user 2 seconds to read 'Authentication Failure' before
+            // dismissing the dialog
+            Mainloop.timeout_add(2000,
+                                 Lang.bind(this,
+                                           function() {
+                                               this._reallyCompleteRequest(wasDismissed);
+                                           }));
+        } else {
+            this._reallyCompleteRequest(wasDismissed);
+        }
+    }
+}
+
+function init() {
+    let agent = new AuthenticationAgent();
+}
--- a/js/ui/popupMenu.js
+++ b/js/ui/popupMenu.js
--- a/js/ui/runDialog.js
+++ b/js/ui/runDialog.js
@ -11,16 +11,21 @@ const Signals = imports.signals;
 const Gettext = imports.gettext.domain('gnome-shell');
 const _ = Gettext.gettext;

-const Lightbox = imports.ui.lightbox;
+const FileUtils = imports.misc.fileUtils;
 const Main = imports.ui.main;
+const ModalDialog = imports.ui.modalDialog;
 const Tweener = imports.ui.tweener;
+const Util = imports.misc.util;
+const History = imports.misc.history;

 const MAX_FILE_DELETED_BEFORE_INVALID = 10;

 const HISTORY_KEY = 'command-history';
-const HISTORY_LIMIT = 512;

-const DIALOG_FADE_TIME = 0.1;
+const LOCKDOWN_SCHEMA = 'org.gnome.desktop.lockdown';
+const DISABLE_COMMAND_LINE_KEY = 'disable-command-line';
+
+const DIALOG_GROW_TIME = 0.1;

 function CommandCompleter() {
    this._init();
@ -62,25 +67,6 @@ CommandCompleter.prototype = {
        this._update(0);
    },

-    _onGetEnumerateComplete : function(obj, res) {
-        this._enumerator = obj.enumerate_children_finish(res);
-        this._enumerator.next_files_async(100, GLib.PRIORITY_LOW, null, Lang.bind(this, this._onNextFileComplete));
-    },
-
-    _onNextFileComplete : function(obj, res) {
-        let files = obj.next_files_finish(res);
-        for (let i = 0; i < files.length; i++) {
-            this._childs[this._i].push(files[i].get_name());
-        }
-        if (files.length) {
-            this._enumerator.next_files_async(100, GLib.PRIORITY_LOW, null, Lang.bind(this, this._onNextFileComplete));
-        } else {
-            this._enumerator.close(null);
-            this._enumerator = null;
-            this._update(this._i + 1);
-        }
-    },
-
    update : function() {
        if (this._valid)
            return;
@ -100,7 +86,12 @@ CommandCompleter.prototype = {
        }
        let file = Gio.file_new_for_path(this._paths[i]);
        this._childs[this._i] = [];
-        file.enumerate_children_async(Gio.FILE_ATTRIBUTE_STANDARD_NAME, Gio.FileQueryInfoFlags.NONE, GLib.PRIORITY_LOW, null, Lang.bind(this, this._onGetEnumerateComplete));
+        FileUtils.listDirAsync(file, Lang.bind(this, function (files) {
+            for (let i = 0; i < files.length; i++) {
+                this._childs[this._i].push(files[i].get_name());
+            }
+            this._update(this._i + 1);
+        }));
    },

    _onChanged : function(m, f, of, type) {
@ -175,22 +166,16 @@ function RunDialog() {
 }

 RunDialog.prototype = {
+__proto__: ModalDialog.ModalDialog.prototype,
    _init : function() {
-        this._isOpen = false;
+        ModalDialog.ModalDialog.prototype._init.call(this, { styleClass: 'run-dialog' });

+        this._lockdownSettings = new Gio.Settings({ schema: LOCKDOWN_SCHEMA });
        global.settings.connect('changed::development-tools', Lang.bind(this, function () {
            this._enableInternalCommands = global.settings.get_boolean('development-tools');
        }));
        this._enableInternalCommands = global.settings.get_boolean('development-tools');

-        this._history = global.settings.get_strv(HISTORY_KEY);
-        this._historyIndex = -1;
-
-        global.settings.connect('changed::' + HISTORY_KEY, Lang.bind(this, function() {
-            this._history = global.settings.get_strv(HISTORY_KEY);
-            this._historyIndex = this._history.length;
-        }));
-
        this._internalCommands = { 'lg':
                                   Lang.bind(this, function() {
                                       Main.createLookingGlass().open();
@ -207,75 +192,66 @@ RunDialog.prototype = {

                                   'debugexit': Lang.bind(this, function() {
                                       Meta.exit(Meta.ExitCode.ERROR);
+                                   }),
+
+                                   // rt is short for "reload theme"
+                                   'rt': Lang.bind(this, function() {
+                                       Main.loadTheme();
                                   })
                                 };

-        // All actors are inside _group. We create it initially
-        // hidden then show it in show()
-        this._group = new Clutter.Group({ visible: false,
-                                          x: 0, y: 0 });
-        Main.uiGroup.add_actor(this._group);
-
-        this._lightbox = new Lightbox.Lightbox(this._group,
-                                               { inhibitEvents: true });
-
-        this._box = new St.Bin({ x_align: St.Align.MIDDLE,
-                                 y_align: St.Align.MIDDLE });
-
-        this._group.add_actor(this._box);
-        this._lightbox.highlight(this._box);
-
-        let dialogBox = new St.BoxLayout({ style_class: 'run-dialog', vertical: true });
-
-        this._box.set_child(dialogBox);

        let label = new St.Label({ style_class: 'run-dialog-label',
                                   text: _("Please enter a command:") });

-        dialogBox.add(label, { expand: true, y_fill: false });
+        this.contentLayout.add(label, { y_align: St.Align.START });

        let entry = new St.Entry({ style_class: 'run-dialog-entry' });

        this._entryText = entry.clutter_text;
-        dialogBox.add(entry, { expand: true });
+        this.contentLayout.add(entry, { y_align: St.Align.START });
+        this.setInitialKeyFocus(this._entryText);

-        this._errorBox = new St.BoxLayout();
+        this._errorBox = new St.BoxLayout({ style_class: 'run-dialog-error-box' });

-        dialogBox.add(this._errorBox, { expand: true });
+        this.contentLayout.add(this._errorBox, { expand: true });

-        let errorIcon = new St.Button({ style_class: 'run-dialog-error-icon' });
+        let errorIcon = new St.Icon({ icon_name: 'dialog-error', icon_size: 24, style_class: 'run-dialog-error-icon' });

-        this._errorBox.add(errorIcon);
+        this._errorBox.add(errorIcon, { y_align: St.Align.MIDDLE });

        this._commandError = false;

        this._errorMessage = new St.Label({ style_class: 'run-dialog-error-label' });
        this._errorMessage.clutter_text.line_wrap = true;

-        this._errorBox.add(this._errorMessage, { expand: true });
+        this._errorBox.add(this._errorMessage, { expand: true,
+                                                 y_align: St.Align.MIDDLE,
+                                                 y_fill: false });

        this._errorBox.hide();

        this._pathCompleter = new Gio.FilenameCompleter();
        this._commandCompleter = new CommandCompleter();
        this._group.connect('notify::visible', Lang.bind(this._commandCompleter, this._commandCompleter.update));
+
+        this._history = new History.HistoryManager({ gsettingsKey: HISTORY_KEY,
+                                                     entry: this._entryText });
        this._entryText.connect('key-press-event', Lang.bind(this, function(o, e) {
            let symbol = e.get_key_symbol();
-            if (symbol == Clutter.Down) {
-                this._setCommandFromHistory(this._historyIndex++);
-                return true;
-            }
-            if (symbol == Clutter.Up) {
-                this._setCommandFromHistory(this._historyIndex--);
-                return true;
-            }
            if (symbol == Clutter.Return || symbol == Clutter.KP_Enter) {
+                this.popModal();
                if (Shell.get_event_state(e) & Clutter.ModifierType.CONTROL_MASK)
                    this._run(o.get_text(), true);
                else
                    this._run(o.get_text(), false);
                if (!this._commandError)
                    this.close();
+                else {
+                    if (!this.pushModal())
+                        this.close();
+                }
+                return true;
            }
            if (symbol == Clutter.Escape) {
                this.close();
@ -321,22 +297,10 @@ RunDialog.prototype = {
        }
    },

-    _saveHistory : function() {
-        if (this._history.length > HISTORY_LIMIT) {
-            this._history.splice(0, this._history.length - HISTORY_LIMIT);
-        }
-        global.settings.set_strv(HISTORY_KEY, this._history);
-    },
-
    _run : function(input, inTerminal) {
        let command = input;

-        if (this._history.length == 0 ||
-            this._history[this._history.length - 1] != input) {
-            this._history.push(input);
-            this._saveHistory();
-        }
-
+        this._history.addItem(input);
        this._commandError = false;
        let f;
        if (this._enableInternalCommands)
@ -349,9 +313,7 @@ RunDialog.prototype = {
            try {
                if (inTerminal)
                    command = 'gnome-terminal -x ' + input;
-                let [ok, len, args] = GLib.shell_parse_argv(command);
-                let p = new Shell.Process({ 'args' : args });
-                p.run();
+                Util.trySpawnCommandLine(command);
            } catch (e) {
                // Mmmh, that failed - see if @input matches an existing file
                let path = null;
@ -369,84 +331,40 @@ RunDialog.prototype = {
                                                        global.create_app_launch_context());
                } else {
                    this._commandError = true;
-                    // The exception contains an error string like:
-                    // Error invoking Shell.run: Failed to execute child
-                    // process "foo" (No such file or directory)
-                    // We are only interested in the actual error, so parse
-                    //that out.
-                    let m = /.+\((.+)\)/.exec(e);
-                    let errorStr = _("Execution of '%s' failed:").format(command) + '\n' + m[1];
-                    this._errorMessage.set_text(errorStr);

-                    this._errorBox.show();
+                    this._errorMessage.set_text(e.message);
+
+                    if (!this._errorBox.visible) {
+                        let [errorBoxMinHeight, errorBoxNaturalHeight] = this._errorBox.get_preferred_height(-1);
+
+                        let parentActor = this._errorBox.get_parent();
+                        Tweener.addTween(parentActor,
+                                         { height: parentActor.height + errorBoxNaturalHeight,
+                                           time: DIALOG_GROW_TIME,
+                                           transition: 'easeOutQuad',
+                                           onComplete: Lang.bind(this,
+                                               function() {
+                                                    parentActor.set_height(-1);
+                                                    this._errorBox.show();
+                                               })
+                                         });
+                    }
                }
            }
        }
    },

-    _setCommandFromHistory: function(lastI) {
-        if (this._historyIndex < 0)
-            this._historyIndex = 0;
-        if (this._historyIndex > this._history.length)
-            this._historyIndex = this._history.length;
-
-        let text = this._entryText.get_text();
-        if (text) {
-            this._history[lastI] = text;
-        }
-        if (this._history[this._historyIndex]) {
-            this._entryText.set_text(this._history[this._historyIndex]);
-        } else
-            this._entryText.set_text('');
-    },
-
-    open : function() {
-        if (this._isOpen) // Already shown
-            return;
-
-        if (!Main.pushModal(this._group))
-            return;
-
-        // Position the dialog on the current monitor
-        let monitor = global.get_focus_monitor();
-
-        this._historyIndex = this._history.length;
-
-        this._box.set_position(monitor.x, monitor.y);
-        this._box.set_size(monitor.width, monitor.height);
-
-        this._isOpen = true;
-        this._lightbox.show();
-        this._group.opacity = 0;
-        this._group.show();
-        Tweener.addTween(this._group,
-                         { opacity: 255,
-                           time: DIALOG_FADE_TIME,
-                           transition: 'easeOutQuad'
-                         });
-
-        global.stage.set_key_focus(this._entryText);
-    },
-
-    close : function() {
-        if (!this._isOpen)
-            return;
-
-        this._isOpen = false;
+    open: function() {
+        this._history.lastItem();
+        this._errorBox.hide();
+        this._entryText.set_text('');
        this._commandError = false;

-        Main.popModal(this._group);
+        if (this._lockdownSettings.get_boolean(DISABLE_COMMAND_LINE_KEY))
+            return;
+
+        ModalDialog.ModalDialog.prototype.open.call(this);
+    },

-        Tweener.addTween(this._group,
-                         { opacity: 0,
-                           time: DIALOG_FADE_TIME,
-                           transition: 'easeOutQuad',
-                           onComplete: Lang.bind(this, function() {
-                               this._errorBox.hide();
-                               this._group.hide();
-                               this._entryText.set_text('');
-                           })
-                         });
-    }
 };
 Signals.addSignalMethods(RunDialog.prototype);
--- a/js/ui/scripting.js
+++ b/js/ui/scripting.js
@ -1,5 +1,6 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

+const DBus = imports.dbus;
 const Gio = imports.gi.Gio;
 const Mainloop = imports.mainloop;

@ -68,6 +69,104 @@ function waitLeisure() {
    };
 }

+const PerfHelperIface = {
+    name: 'org.gnome.Shell.PerfHelper',
+    methods: [{ name: 'CreateWindow', inSignature: 'iibb', outSignature: '' },
+              { name: 'WaitWindows', inSignature: '', outSignature: '' },
+              { name: 'DestroyWindows', inSignature: '', outSignature: ''}]
+};
+
+const PerfHelper = function () {
+    this._init();
+};
+
+PerfHelper.prototype = {
+     _init: function() {
+         DBus.session.proxifyObject(this, 'org.gnome.Shell.PerfHelper', '/org/gnome/Shell/PerfHelper');
+     }
+};
+
+DBus.proxifyPrototype(PerfHelper.prototype, PerfHelperIface);
+
+let _perfHelper = null;
+function _getPerfHelper() {
+    if (_perfHelper == null)
+        _perfHelper = new PerfHelper();
+
+    return _perfHelper;
+}
+
+/**
+ * createTestWindow:
+ * @width: width of window, in pixels
+ * @height: height of window, in pixels
+ * @alpha: whether the window should be alpha transparent
+ * @maximized: whethe the window should be created maximized
+ *
+ * Creates a window using gnome-shell-perf-helper for testing purposes.
+ * While this function can be used with yield in an automation
+ * script to pause until the D-Bus call to the helper process returns,
+ * because of the normal X asynchronous mapping process, to actually wait
+ * until the window has been mapped and exposed, use waitTestWindows().
+ */
+function createTestWindow(width, height, alpha, maximized) {
+    let cb;
+    let perfHelper = _getPerfHelper();
+
+    perfHelper.CreateWindowRemote(width, height, alpha, maximized,
+                                  function(result, excp) {
+                                      if (cb)
+                                          cb();
+                                  });
+
+    return function(callback) {
+        cb = callback;
+    };
+}
+
+/**
+ * waitTestWindows:
+ *
+ * Used within an automation script to pause until all windows previously
+ * created with createTestWindow have been mapped and exposed.
+ */
+function waitTestWindows() {
+    let cb;
+    let perfHelper = _getPerfHelper();
+
+    perfHelper.WaitWindowsRemote(function(result, excp) {
+                                     if (cb)
+                                         cb();
+                                 });
+
+    return function(callback) {
+        cb = callback;
+    };
+}
+
+/**
+ * destroyTestWindows:
+ *
+ * Destroys all windows previously created with createTestWindow().
+ * While this function can be used with yield in an automation
+ * script to pause until the D-Bus call to the helper process returns,
+ * this doesn't guarantee that Mutter has actually finished the destroy
+ * process because of normal X asynchronicity.
+ */
+function destroyTestWindows() {
+    let cb;
+    let perfHelper = _getPerfHelper();
+
+    perfHelper.DestroyWindowsRemote(function(result, excp) {
+                                        if (cb)
+                                            cb();
+                                    });
+
+    return function(callback) {
+        cb = callback;
+    };
+}
+
 /**
 * defineScriptEvent
 * @name: The event will be called script.<name>
@ -147,8 +246,8 @@ function _collect(scriptModule, outputFile) {
        Shell.write_string_to_stream(out, '"events":\n');
        Shell.PerfLog.get_default().dump_events(out);

-        let monitors = global.get_monitors()
-        let primary = global.get_primary_monitor()
+        let monitors = global.get_monitors();
+        let primary = global.get_primary_monitor();
        Shell.write_string_to_stream(out, ',\n"monitors":\n[');
        for (let i = 0; i < monitors.length; i++) {
            let monitor = monitors[i];
@ -167,7 +266,21 @@ function _collect(scriptModule, outputFile) {
        Shell.write_string_to_stream(out, ',\n"metrics":\n[ ');
        let first = true;
        for (let name in scriptModule.METRICS) {
-            let metric = scriptModule.METRICS[name]; 
+            let metric = scriptModule.METRICS[name];
+            // Extra checks here because JSON.stringify generates
+            // invalid JSON for undefined values
+            if (metric.description == null) {
+                log("Error: No description found for metric " + name);
+                continue;
+            }
+            if (metric.units == null) {
+                log("Error: No units found for metric " + name);
+                continue;
+            }
+            if (metric.value == null) {
+                log("Error: No value found for metric " + name);
+                continue;
+            }

            if (!first)
                Shell.write_string_to_stream(out, ',\n  ');
--- a/js/ui/search.js
+++ b/js/ui/search.js
@ -1,8 +1,19 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const Lang = imports.lang;
 const Signals = imports.signals;
+const Shell = imports.gi.Shell;
+const Util = imports.misc.util;

-const RESULT_ICON_SIZE = 24;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const FileUtils = imports.misc.fileUtils;
+const Main = imports.ui.main;
+
+const DISABLED_OPEN_SEARCH_PROVIDERS_KEY = 'disabled-open-search-providers';

 // Not currently referenced by the search API, but
 // this enumeration can be useful for provider
@ -152,8 +163,9 @@ SearchProvider.prototype = {
     * getResultInfo:
     * @id: Result identifier string
     *
-     * Return an object with 'id', 'name', (both strings) and 'icon' (Clutter.Texture)
-     * properties which describe the given search result.
+     * Return an object with 'id', 'name', (both strings) and 'createIcon'
+     * (function(size) returning a Clutter.Texture) properties which describe
+     * the given search result.
     */
    getResultMeta: function(id) {
        throw new Error('Not implemented');
@ -182,7 +194,7 @@ SearchProvider.prototype = {
     * implementation will show the icon next to the name.
     *
     * The actor should be an instance of St.Widget, with the style class
-     * 'dash-search-result-content'.
+     * 'search-result-content'.
     */
    createResultActor: function(resultMeta, terms) {
        return null;
@ -196,21 +208,105 @@ SearchProvider.prototype = {
     */
    activateResult: function(id) {
        throw new Error('Not implemented');
-    },
-
-    /**
-     * expandSearch:
-     *
-     * Called when the user clicks on the header for this
-     * search section.  Should typically launch an external program
-     * displaying search results for that item type.
-     */
-    expandSearch: function(terms) {
-        throw new Error('Not implemented');
    }
 };
 Signals.addSignalMethods(SearchProvider.prototype);

+function OpenSearchSystem() {
+    this._init();
+}
+
+OpenSearchSystem.prototype = {
+    _init: function() {
+        this._providers = [];
+        global.settings.connect('changed::' + DISABLED_OPEN_SEARCH_PROVIDERS_KEY, Lang.bind(this, this._refresh));
+        this._refresh();
+    },
+
+    getProviders: function() {
+        let res = [];
+        for (let i = 0; i < this._providers.length; i++)
+            res.push({ id: i, name: this._providers[i].name });
+
+        return res;
+    },
+
+    setSearchTerms: function(terms) {
+        this._terms = terms;
+    },
+
+    _checkSupportedProviderLanguage: function(provider) {
+        if (provider.url.search(/{language}/) == -1)
+            return true;
+
+        let langs = GLib.get_language_names();
+
+        langs.push('en');
+        let lang = null;
+        for (let i = 0; i < langs.length; i++) {
+            for (let k = 0; k < provider.langs.length; k++) {
+                if (langs[i] == provider.langs[k])
+                    lang = langs[i];
+            }
+            if (lang)
+                break;
+        }
+        provider.lang = lang;
+        return lang != null;
+    },
+
+    activateResult: function(id, params) {
+        let searchTerms = this._terms.join(' ');
+
+        let url = this._providers[id].url.replace('{searchTerms}', encodeURIComponent(searchTerms));
+        if (url.match('{language}'))
+            url = url.replace('{language}', this._providers[id].lang);
+
+        try {
+            Gio.app_info_launch_default_for_uri(url, global.create_app_launch_context());
+        } catch (e) {
+            // TODO: remove this after glib will be removed from moduleset
+            // In the default jhbuild, gio is in our prefix but gvfs is not
+            Util.spawn(['gvfs-open', url])
+        }
+
+        Main.overview.hide();
+    },
+
+    _addProvider: function(fileName) {
+        let path = global.datadir + '/search_providers/' + fileName;
+        let source = Shell.get_file_contents_utf8_sync(path);
+        let [success, name, url, langs, icon_uri] = global.parse_search_provider(source);
+        let provider ={ name: name,
+                        url: url,
+                        id: this._providers.length,
+                        icon_uri: icon_uri,
+                        langs: langs };
+        if (this._checkSupportedProviderLanguage(provider)) {
+            this._providers.push(provider);
+            this.emit('changed');
+        }
+    },
+
+    _refresh: function() {
+        this._providers = [];
+        let names = global.settings.get_strv(DISABLED_OPEN_SEARCH_PROVIDERS_KEY);
+        let file = Gio.file_new_for_path(global.datadir + '/search_providers');
+        FileUtils.listDirAsync(file, Lang.bind(this, function(files) {
+            for (let i = 0; i < files.length; i++) {
+                let enabled = true;
+                let name = files[i].get_name();
+                for (let k = 0; k < names.length; k++)
+                    if (names[k] == name)
+                        enabled = false;
+                if (enabled)
+                    this._addProvider(name);
+            }
+        }));
+    }
+}
+Signals.addSignalMethods(OpenSearchSystem.prototype);
+
 function SearchSystem() {
    this._init();
 }
@ -241,7 +337,7 @@ SearchSystem.prototype = {
    updateSearch: function(searchString) {
        searchString = searchString.replace(/^\s+/g, '').replace(/\s+$/g, '');
        if (searchString == '')
-            return null;
+            return [];

        let terms = searchString.split(/\s+/);
        let isSubSearch = terms.length == this._previousTerms.length;
--- a/js/ui/searchDisplay.js
+++ b/js/ui/searchDisplay.js
@ -0,0 +1,436 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const Lang = imports.lang;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+const Gtk = imports.gi.Gtk;
+const Meta = imports.gi.Meta;
+const St = imports.gi.St;
+
+const DND = imports.ui.dnd;
+const IconGrid = imports.ui.iconGrid;
+const Main = imports.ui.main;
+const Overview = imports.ui.overview;
+const Search = imports.ui.search;
+
+const MAX_SEARCH_RESULTS_ROWS = 1;
+
+
+function SearchResult(provider, metaInfo, terms) {
+    this._init(provider, metaInfo, terms);
+}
+
+SearchResult.prototype = {
+    _init: function(provider, metaInfo, terms) {
+        this.provider = provider;
+        this.metaInfo = metaInfo;
+        this.actor = new St.Button({ style_class: 'search-result',
+                                     reactive: true,
+                                     x_align: St.Align.START,
+                                     y_fill: true });
+        this.actor._delegate = this;
+
+        let content = provider.createResultActor(metaInfo, terms);
+        if (content == null) {
+            content = new St.Bin({ style_class: 'search-result-content',
+                                   reactive: true,
+                                   track_hover: true });
+            let icon = new IconGrid.BaseIcon(this.metaInfo['name'],
+                                             { createIcon: this.metaInfo['createIcon'] });
+            content.set_child(icon.actor);
+        }
+        this._content = content;
+        this.actor.set_child(content);
+
+        this.actor.connect('clicked', Lang.bind(this, this._onResultClicked));
+
+        let draggable = DND.makeDraggable(this.actor);
+        draggable.connect('drag-begin',
+                          Lang.bind(this, function() {
+                              Main.overview.beginItemDrag(this);
+                          }));
+        draggable.connect('drag-cancelled',
+                          Lang.bind(this, function() {
+                              Main.overview.cancelledItemDrag(this);
+                          }));
+        draggable.connect('drag-end',
+                          Lang.bind(this, function() {
+                              Main.overview.endItemDrag(this);
+                          }));
+    },
+
+    setSelected: function(selected) {
+        if (selected)
+            this._content.add_style_pseudo_class('selected');
+        else
+            this._content.remove_style_pseudo_class('selected');
+    },
+
+    activate: function() {
+        this.provider.activateResult(this.metaInfo.id);
+        Main.overview.toggle();
+    },
+
+    _onResultClicked: function(actor) {
+        this.activate();
+    },
+
+    getDragActorSource: function() {
+        // not exactly right, but alignment problems are hard to notice
+        return this._content;
+    },
+
+    getDragActor: function(stageX, stageY) {
+        return this.metaInfo['createIcon'](Main.overview.dash.iconSize);
+    },
+
+    shellWorkspaceLaunch: function(params) {
+        if (this.provider.dragActivateResult)
+            this.provider.dragActivateResult(this.metaInfo.id, params);
+        else
+            this.provider.activateResult(this.metaInfo.id, params);
+    }
+};
+
+
+function GridSearchResults(provider) {
+    this._init(provider);
+}
+
+GridSearchResults.prototype = {
+    __proto__: Search.SearchResultDisplay.prototype,
+
+    _init: function(provider) {
+        Search.SearchResultDisplay.prototype._init.call(this, provider);
+        this._grid = new IconGrid.IconGrid({ rowLimit: MAX_SEARCH_RESULTS_ROWS,
+                                             xAlign: St.Align.START });
+        this.actor = new St.Bin({ x_align: St.Align.START });
+
+        this.actor.set_child(this._grid.actor);
+        this.selectionIndex = -1;
+        this._width = 0;
+        this.actor.connect('notify::width', Lang.bind(this, function() {
+            this._width = this.actor.width;
+            Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this, function() {
+                this._tryAddResults();
+            }));
+        }));
+        this._notDisplayedResult = [];
+        this._terms = [];
+    },
+
+    _tryAddResults: function() {
+        let canDisplay = this._grid.childrenInRow(this._width) * MAX_SEARCH_RESULTS_ROWS
+                         - this._grid.visibleItemsCount();
+
+        for (let i = Math.min(this._notDisplayedResult.length, canDisplay); i > 0; i--) {
+            let result = this._notDisplayedResult.shift();
+            let meta = this.provider.getResultMeta(result);
+            let display = new SearchResult(this.provider, meta, this._terms);
+            this._grid.addItem(display.actor);
+        }
+    },
+
+    getVisibleResultCount: function() {
+        return this._grid.visibleItemsCount();
+    },
+
+    renderResults: function(results, terms) {
+        // copy the lists
+        this._notDisplayedResult = results.slice(0);
+        this._terms = terms.slice(0);
+        this._tryAddResults();
+    },
+
+    clear: function () {
+        this._terms = [];
+        this._notDisplayedResult = [];
+        this._grid.removeAll();
+        this.selectionIndex = -1;
+    },
+
+    selectIndex: function (index) {
+        let nVisible = this.getVisibleResultCount();
+        if (this.selectionIndex >= 0) {
+            let prevActor = this._grid.getItemAtIndex(this.selectionIndex);
+            prevActor._delegate.setSelected(false);
+        }
+        this.selectionIndex = -1;
+        if (index >= nVisible)
+            return false;
+        else if (index < 0)
+            return false;
+        let targetActor = this._grid.getItemAtIndex(index);
+        targetActor._delegate.setSelected(true);
+        this.selectionIndex = index;
+        return true;
+    },
+
+    activateSelected: function() {
+        if (this.selectionIndex < 0)
+            return;
+        let targetActor = this._grid.getItemAtIndex(this.selectionIndex);
+        targetActor._delegate.activate();
+    }
+};
+
+
+function SearchResults(searchSystem, openSearchSystem) {
+    this._init(searchSystem, openSearchSystem);
+}
+
+SearchResults.prototype = {
+    _init: function(searchSystem, openSearchSystem) {
+        this._searchSystem = searchSystem;
+        this._openSearchSystem = openSearchSystem;
+
+        this.actor = new St.BoxLayout({ name: 'searchResults',
+                                        vertical: true });
+
+        this._content = new St.BoxLayout({ name: 'searchResultsContent',
+                                           vertical: true });
+
+        let scrollView = new St.ScrollView({ x_fill: true,
+                                             y_fill: false,
+                                             vfade: true });
+        scrollView.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
+        scrollView.add_actor(this._content);
+
+        this.actor.add(scrollView, { x_fill: true,
+                                     y_fill: false,
+                                     expand: true,
+                                     x_align: St.Align.START,
+                                     y_align: St.Align.START });
+        this.actor.connect('notify::mapped', Lang.bind(this,
+            function() {
+                if (!this.actor.mapped)
+                    return;
+
+                let adjustment = scrollView.vscroll.adjustment;
+                let direction = Overview.SwipeScrollDirection.VERTICAL;
+                Main.overview.setScrollAdjustment(adjustment, direction);
+            }));
+
+        this._statusText = new St.Label({ style_class: 'search-statustext' });
+        this._content.add(this._statusText);
+        this._selectedProvider = -1;
+        this._providers = this._searchSystem.getProviders();
+        this._providerMeta = [];
+        for (let i = 0; i < this._providers.length; i++)
+            this.createProviderMeta(this._providers[i]);
+
+        this._searchProvidersBox = new St.BoxLayout({ style_class: 'search-providers-box' });
+        this.actor.add(this._searchProvidersBox);
+
+        this._openSearchProviders = [];
+        this._openSearchSystem.connect('changed', Lang.bind(this, this._updateOpenSearchProviderButtons));
+        this._updateOpenSearchProviderButtons();
+    },
+
+    _updateOpenSearchProviderButtons: function() {
+        this._selectedOpenSearchButton = -1;
+        for (let i = 0; i < this._openSearchProviders.length; i++)
+            this._openSearchProviders[i].actor.destroy();
+        this._openSearchProviders = this._openSearchSystem.getProviders();
+        for (let i = 0; i < this._openSearchProviders.length; i++)
+            this._createOpenSearchProviderButton(this._openSearchProviders[i]);
+    },
+
+    _updateOpenSearchButtonState: function() {
+         for (let i = 0; i < this._openSearchProviders.length; i++) {
+             if (i == this._selectedOpenSearchButton)
+                 this._openSearchProviders[i].actor.add_style_pseudo_class('selected');
+             else
+                 this._openSearchProviders[i].actor.remove_style_pseudo_class('selected');
+         }
+    },
+
+    _createOpenSearchProviderButton: function(provider) {
+        let button = new St.Button({ style_class: 'dash-search-button',
+                                     reactive: true,
+                                     x_fill: true,
+                                     y_align: St.Align.MIDDLE });
+        let bin = new St.Bin({ x_fill: false,
+                               x_align:St.Align.MIDDLE });
+        button.connect('clicked', Lang.bind(this, function() {
+            this._openSearchSystem.activateResult(provider.id);
+        }));
+        let title = new St.Label({ text: provider.name,
+                                   style_class: 'dash-search-button-label' });
+
+        bin.set_child(title);
+        button.set_child(bin);
+        provider.actor = button;
+
+        this._searchProvidersBox.add(button);
+    },
+
+    createProviderMeta: function(provider) {
+        let providerBox = new St.BoxLayout({ style_class: 'search-section',
+                                             vertical: true });
+        let title = new St.Label({ style_class: 'search-section-header',
+                                   text: provider.title });
+        providerBox.add(title);
+
+        let resultDisplayBin = new St.Bin({ style_class: 'search-section-results',
+                                            x_fill: true,
+                                            y_fill: true });
+        providerBox.add(resultDisplayBin, { expand: true });
+        let resultDisplay = provider.createResultContainerActor();
+        if (resultDisplay == null) {
+            resultDisplay = new GridSearchResults(provider);
+        }
+        resultDisplayBin.set_child(resultDisplay.actor);
+
+        this._providerMeta.push({ actor: providerBox,
+                                  resultDisplay: resultDisplay });
+        this._content.add(providerBox);
+    },
+
+    _clearDisplay: function() {
+        this._selectedProvider = -1;
+        this._visibleResultsCount = 0;
+        for (let i = 0; i < this._providerMeta.length; i++) {
+            let meta = this._providerMeta[i];
+            meta.resultDisplay.clear();
+            meta.actor.hide();
+        }
+    },
+
+    reset: function() {
+        this._searchSystem.reset();
+        this._statusText.hide();
+        this._clearDisplay();
+        this._selectedOpenSearchButton = -1;
+        this._updateOpenSearchButtonState();
+    },
+
+    startingSearch: function() {
+        this.reset();
+        this._statusText.set_text(_("Searching..."));
+        this._statusText.show();
+    },
+
+    _metaForProvider: function(provider) {
+        return this._providerMeta[this._providers.indexOf(provider)];
+    },
+
+    updateSearch: function (searchString) {
+        let results = this._searchSystem.updateSearch(searchString);
+
+        this._clearDisplay();
+
+        if (results.length == 0) {
+            this._statusText.set_text(_("No matching results."));
+            this._statusText.show();
+        } else {
+            this._selectedOpenSearchButton = -1;
+            this._updateOpenSearchButtonState();
+            this._statusText.hide();
+        }
+
+        let terms = this._searchSystem.getTerms();
+        this._openSearchSystem.setSearchTerms(terms);
+
+        for (let i = 0; i < results.length; i++) {
+            let [provider, providerResults] = results[i];
+            let meta = this._metaForProvider(provider);
+            meta.actor.show();
+            meta.resultDisplay.renderResults(providerResults, terms);
+        }
+
+        if (this._selectedOpenSearchButton == -1)
+            this.selectDown(false);
+
+        return true;
+    },
+
+    _modifyActorSelection: function(resultDisplay, up) {
+        let success;
+        let index = resultDisplay.getSelectionIndex();
+        if (up && index == -1)
+            index = resultDisplay.getVisibleResultCount() - 1;
+        else if (up)
+            index = index - 1;
+        else
+            index = index + 1;
+        return resultDisplay.selectIndex(index);
+    },
+
+    selectUp: function(recursing) {
+        if (this._selectedOpenSearchButton == -1) {
+            for (let i = this._selectedProvider; i >= 0; i--) {
+                let meta = this._providerMeta[i];
+                if (!meta.actor.visible)
+                    continue;
+                let success = this._modifyActorSelection(meta.resultDisplay, true);
+                if (success) {
+                    this._selectedProvider = i;
+                    return;
+                }
+            }
+        }
+
+        if (this._selectedOpenSearchButton == -1)
+            this._selectedOpenSearchButton = this._openSearchProviders.length;
+        this._selectedOpenSearchButton--;
+        this._updateOpenSearchButtonState();
+        if (this._selectedOpenSearchButton >= 0)
+            return;
+
+        if (this._providerMeta.length > 0 && !recursing) {
+            this._selectedProvider = this._providerMeta.length - 1;
+            this.selectUp(true);
+        }
+    },
+
+    selectDown: function(recursing) {
+        let current = this._selectedProvider;
+        if (this._selectedOpenSearchButton == -1) {
+            if (current == -1)
+                current = 0;
+            for (let i = current; i < this._providerMeta.length; i++) {
+                let meta = this._providerMeta[i];
+                if (!meta.actor.visible)
+                    continue;
+                 let success = this._modifyActorSelection(meta.resultDisplay, false);
+                 if (success) {
+                    this._selectedProvider = i;
+                    return;
+                 }
+            }
+        }
+        this._selectedOpenSearchButton++;
+
+        if (this._selectedOpenSearchButton < this._openSearchProviders.length) {
+            this._updateOpenSearchButtonState();
+            return;
+        }
+
+        this._selectedOpenSearchButton = -1;
+        this._updateOpenSearchButtonState();
+
+        if (this._providerMeta.length > 0 && !recursing) {
+            this._selectedProvider = 0;
+            this.selectDown(true);
+        }
+    },
+
+    activateSelected: function() {
+        if (this._selectedOpenSearchButton != -1) {
+            let provider = this._openSearchProviders[this._selectedOpenSearchButton];
+            this._openSearchSystem.activateResult(provider.id);
+            Main.overview.hide();
+            return;
+        }
+
+        let current = this._selectedProvider;
+        if (current < 0)
+            return;
+        let meta = this._providerMeta[current];
+        let resultDisplay = meta.resultDisplay;
+        resultDisplay.activateSelected();
+        Main.overview.hide();
+    }
+};
--- a/js/ui/status/accessibility.js
+++ b/js/ui/status/accessibility.js
@ -10,55 +10,37 @@ const Shell = imports.gi.Shell;
 const Signals = imports.signals;
 const St = imports.gi.St;

-const Main = imports.ui.main;
 const PanelMenu = imports.ui.panelMenu;
 const PopupMenu = imports.ui.popupMenu;
+const Util = imports.misc.util;

 const Gettext = imports.gettext.domain('gnome-shell');
 const _ = Gettext.gettext;

-const KEY_A11Y_DIR            = "/desktop/gnome/accessibility";
-const KEY_STICKY_KEYS_ENABLED = KEY_A11Y_DIR + "/keyboard/stickykeys_enable";
-const KEY_BOUNCE_KEYS_ENABLED = KEY_A11Y_DIR + "/keyboard/bouncekeys_enable";
-const KEY_SLOW_KEYS_ENABLED   = KEY_A11Y_DIR + "/keyboard/slowkeys_enable";
-const KEY_MOUSE_KEYS_ENABLED  = KEY_A11Y_DIR + "/keyboard/mousekeys_enable";
+const A11Y_SCHEMA = 'org.gnome.desktop.a11y.keyboard';
+const KEY_STICKY_KEYS_ENABLED = 'stickykeys-enable';
+const KEY_BOUNCE_KEYS_ENABLED = 'bouncekeys-enable';
+const KEY_SLOW_KEYS_ENABLED   = 'slowkeys-enable';
+const KEY_MOUSE_KEYS_ENABLED  = 'mousekeys-enable';

-const AT_SCREEN_KEYBOARD_SCHEMA = "org.gnome.desktop.default-applications.at.mobility";
-const AT_SCREEN_READER_SCHEMA   = "org.gnome.desktop.default-applications.at.visual";
+const APPLICATIONS_SCHEMA = 'org.gnome.desktop.a11y.applications';

-const KEY_FONT_DPI    = "/desktop/gnome/font_rendering/dpi";
 const DPI_LOW_REASONABLE_VALUE  = 50;
 const DPI_HIGH_REASONABLE_VALUE = 500;

 const DPI_FACTOR_LARGE   = 1.25;
 const DPI_FACTOR_LARGER  = 1.5;
 const DPI_FACTOR_LARGEST = 2.0;
-const DPI_DEFAULT        = 96;

-const KEY_META_DIR       = "/apps/metacity/general";
-const KEY_VISUAL_BELL = KEY_META_DIR + "/visual_bell";
+const KEY_META_DIR       = '/apps/metacity/general';
+const KEY_VISUAL_BELL = KEY_META_DIR + '/visual_bell';

-const DESKTOP_INTERFACE_SCHEMA = "org.gnome.desktop.interface";
-const KEY_GTK_THEME      = "gtk-theme";
-const KEY_ICON_THEME     = "icon-theme";
+const DESKTOP_INTERFACE_SCHEMA = 'org.gnome.desktop.interface';
+const KEY_GTK_THEME      = 'gtk-theme';
+const KEY_ICON_THEME     = 'icon-theme';
+const KEY_TEXT_SCALING_FACTOR = 'text-scaling-factor';

-const HIGH_CONTRAST_THEME = "HighContrast";
-
-function getDPIFromX() {
-    let screen = global.get_gdk_screen();
-    if (screen) {
-        let width_dpi = (screen.get_width() / (screen.get_width_mm() / 25.4));
-        let height_dpi = (screen.get_height() / (screen.get_height_mm() / 25.4));
-        if (width_dpi < DPI_LOW_REASONABLE_VALUE
-            || width_dpi > DPI_HIGH_REASONABLE_VALUE
-            || height_dpi < DPI_LOW_REASONABLE_VALUE
-            || height_dpi > DPI_HIGH_REASONABLE_VALUE)
-            return DPI_DEFAULT;
-        else
-            return (width_dpi + height_dpi) / 2;
-    }
-    return DPI_DEFAULT;
-}
+const HIGH_CONTRAST_THEME = 'HighContrast';

 function ATIndicator() {
    this._init.apply(this, arguments);
@ -71,45 +53,46 @@ ATIndicator.prototype = {
        PanelMenu.SystemStatusButton.prototype._init.call(this, 'preferences-desktop-accessibility', null);

        let client = GConf.Client.get_default();
-        client.add_dir(KEY_A11Y_DIR, GConf.ClientPreloadType.PRELOAD_ONELEVEL, null);
-        client.notify_add(KEY_A11Y_DIR, Lang.bind(this, this._keyChanged), null, null);
        client.add_dir(KEY_META_DIR, GConf.ClientPreloadType.PRELOAD_ONELEVEL, null);
        client.notify_add(KEY_META_DIR, Lang.bind(this, this._keyChanged), null, null);

        let highContrast = this._buildHCItem();
        this.menu.addMenuItem(highContrast);

-        let magnifier = this._buildMagItem();
+        let magnifier = this._buildItem(_("Zoom"), APPLICATIONS_SCHEMA,
+                                                   'screen-magnifier-enabled');
        this.menu.addMenuItem(magnifier);

-        let textZoom = this._buildFontItem(client);
+        let textZoom = this._buildFontItem();
        this.menu.addMenuItem(textZoom);

-        let screenReader = this._buildItem(_("Screen Reader"), AT_SCREEN_READER_SCHEMA, 'startup');
-        this.menu.addMenuItem(screenReader);
+//        let screenReader = this._buildItem(_("Screen Reader"), APPLICATIONS_SCHEMA,
+//                                                               'screen-reader-enabled');
+//        this.menu.addMenuItem(screenReader);

-        let screenKeyboard = this._buildItem(_("Screen Keyboard"), AT_SCREEN_KEYBOARD_SCHEMA, 'startup');
-        this.menu.addMenuItem(screenKeyboard);
+//        let screenKeyboard = this._buildItem(_("Screen Keyboard"), APPLICATIONS_SCHEMA,
+//                                                                   'screen-keyboard-enabled');
+//        this.menu.addMenuItem(screenKeyboard);

        let visualBell = this._buildItemGConf(_("Visual Alerts"), client, KEY_VISUAL_BELL);
        this.menu.addMenuItem(visualBell);

-        let stickyKeys = this._buildItemGConf(_("Sticky Keys"), client, KEY_STICKY_KEYS_ENABLED);
+        let stickyKeys = this._buildItem(_("Sticky Keys"), A11Y_SCHEMA, KEY_STICKY_KEYS_ENABLED);
        this.menu.addMenuItem(stickyKeys);

-        let slowKeys = this._buildItemGConf(_("Slow Keys"), client, KEY_SLOW_KEYS_ENABLED);
+        let slowKeys = this._buildItem(_("Slow Keys"), A11Y_SCHEMA, KEY_SLOW_KEYS_ENABLED);
        this.menu.addMenuItem(slowKeys);

-        let bounceKeys = this._buildItemGConf(_("Bounce Keys"), client, KEY_BOUNCE_KEYS_ENABLED);
+        let bounceKeys = this._buildItem(_("Bounce Keys"), A11Y_SCHEMA, KEY_BOUNCE_KEYS_ENABLED);
        this.menu.addMenuItem(bounceKeys);

-        let mouseKeys = this._buildItemGConf(_("Mouse Keys"), client, KEY_MOUSE_KEYS_ENABLED);
+        let mouseKeys = this._buildItem(_("Mouse Keys"), A11Y_SCHEMA, KEY_MOUSE_KEYS_ENABLED);
        this.menu.addMenuItem(mouseKeys);

        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
        this.menu.addAction(_("Universal Access Settings"), function() {
-            let p = new Shell.Process({ args: ['gnome-control-center','universal-access'] });
-            p.run();
+            let app = Shell.AppSystem.get_default().get_app('gnome-universal-access-panel.desktop');
+            app.activate(-1);
        });
    },

@ -167,9 +150,12 @@ ATIndicator.prototype = {
                if (enabled) {
                    settings.set_string(KEY_GTK_THEME, HIGH_CONTRAST_THEME);
                    settings.set_string(KEY_ICON_THEME, HIGH_CONTRAST_THEME);
-                } else {
+                } else if(!hasHC) {
                    settings.set_string(KEY_GTK_THEME, gtkTheme);
                    settings.set_string(KEY_ICON_THEME, iconTheme);
+                } else {
+                    settings.reset(KEY_GTK_THEME);
+                    settings.reset(KEY_ICON_THEME);
                }
            });
        settings.connect('changed::' + KEY_GTK_THEME, function() {
@ -189,42 +175,24 @@ ATIndicator.prototype = {
        return highContrast;
    },

-    _buildFontItem: function(client) {
-        let first_gconf_value = client.get_without_default(KEY_FONT_DPI);
-        let default_value = getDPIFromX();
-        let first_value = first_gconf_value ? first_gconf_value.get_float() : default_value;
-        function on_get() {
-            let u_dpi = client.get_float(KEY_FONT_DPI);
-            let x_dpi = getDPIFromX();
-            return (u_dpi - (DPI_FACTOR_LARGE * x_dpi) > -1);
-        }
-        let initial_setting = on_get();
+    _buildFontItem: function() {
+        let settings = new Gio.Settings({ schema: DESKTOP_INTERFACE_SCHEMA });
+
+        let factor = settings.get_double(KEY_TEXT_SCALING_FACTOR);
+        let initial_setting = (factor > 1.0);
        let widget = this._buildItemExtended(_("Large Text"),
            initial_setting,
-            client.key_is_writable(KEY_FONT_DPI),
+            settings.is_writable(KEY_TEXT_SCALING_FACTOR),
            function (enabled) {
                if (enabled)
-                    client.set_float(KEY_FONT_DPI, DPI_FACTOR_LARGE * getDPIFromX());
+                    settings.set_double(KEY_TEXT_SCALING_FACTOR,
+                                        DPI_FACTOR_LARGE);
                else
-                    client.set_float(KEY_FONT_DPI, (first_value && !initial_setting) ? first_value : default_value);
+                    settings.reset(KEY_TEXT_SCALING_FACTOR);
            });
-        this.connect('gconf-changed', function() {
-            let active = on_get();
-            if (!active)
-                // setting was modified manually, update it
-                first_value = client.get_float(KEY_FONT_DPI);
-            widget.setToggleState(on_get());
-        });
-        return widget;
-    },
-
-    _buildMagItem: function() {
-        let mag = Main.magnifier;
-        let widget = this._buildItemExtended(_("Zoom"),
-            mag.isActive(),
-            true,
-            Lang.bind(mag, mag.setActive));
-        mag.connect('active-changed', function(magnifier, active) {
+        settings.connect('changed::' + KEY_TEXT_SCALING_FACTOR, function() {
+            let factor = settings.get_double(KEY_TEXT_SCALING_FACTOR);
+            let active = (factor > 1.0);
            widget.setToggleState(active);
        });
        return widget;
--- a/js/ui/status/bluetooth.js
+++ b/js/ui/status/bluetooth.js
@ -0,0 +1,494 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const Gdk = imports.gi.Gdk;
+const GLib = imports.gi.GLib;
+const Gio = imports.gi.Gio;
+const GnomeBluetoothApplet = imports.gi.GnomeBluetoothApplet;
+const Gtk = imports.gi.Gtk;
+const Lang = imports.lang;
+const Mainloop = imports.mainloop;
+const St = imports.gi.St;
+const Shell = imports.gi.Shell;
+
+const Main = imports.ui.main;
+const MessageTray = imports.ui.messageTray;
+const PanelMenu = imports.ui.panelMenu;
+const PopupMenu = imports.ui.popupMenu;
+
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const ConnectionState = {
+    DISCONNECTED: 0,
+    CONNECTED: 1,
+    DISCONNECTING: 2,
+    CONNECTING: 3
+}
+
+function Indicator() {
+    this._init.apply(this, arguments);
+}
+
+Indicator.prototype = {
+    __proto__: PanelMenu.SystemStatusButton.prototype,
+
+    _init: function() {
+        PanelMenu.SystemStatusButton.prototype._init.call(this, 'bluetooth-disabled', null);
+
+        GLib.spawn_command_line_sync ('pkill -f "^bluetooth-applet$"');
+        this._applet = new GnomeBluetoothApplet.Applet();
+
+        this._killswitch = new PopupMenu.PopupSwitchMenuItem(_("Bluetooth"), false);
+        this._applet.connect('notify::killswitch-state', Lang.bind(this, this._updateKillswitch));
+        this._killswitch.connect('toggled', Lang.bind(this, function() {
+            let current_state = this._applet.killswitch_state;
+            if (current_state != GnomeBluetoothApplet.KillswitchState.HARD_BLOCKED &&
+                current_state != GnomeBluetoothApplet.KillswitchState.NO_ADAPTER) {
+                this._applet.killswitch_state = this._killswitch.state ?
+                    GnomeBluetoothApplet.KillswitchState.UNBLOCKED:
+                    GnomeBluetoothApplet.KillswitchState.SOFT_BLOCKED;
+            } else
+                this._killswitch.setToggleState(false);
+        }));
+
+        this._discoverable = new PopupMenu.PopupSwitchMenuItem(_("Visibility"), this._applet.discoverable);
+        this._applet.connect('notify::discoverable', Lang.bind(this, function() {
+            this._discoverable.setToggleState(this._applet.discoverable);
+        }));
+        this._discoverable.connect('toggled', Lang.bind(this, function() {
+            this._applet.discoverable = this._discoverable.state;
+        }));
+
+        this._updateKillswitch();
+        this.menu.addMenuItem(this._killswitch);
+        this.menu.addMenuItem(this._discoverable);
+        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
+
+        this._fullMenuItems = [new PopupMenu.PopupSeparatorMenuItem(),
+                               new PopupMenu.PopupMenuItem(_("Send Files to Device...")),
+                               new PopupMenu.PopupMenuItem(_("Setup a New Device...")),
+                               new PopupMenu.PopupSeparatorMenuItem()];
+        this._hasDevices = false;
+        this._deviceSep = this._fullMenuItems[0]; // hidden if no device exists
+
+        this._fullMenuItems[1].connect('activate', function() {
+            GLib.spawn_command_line_async('bluetooth-sendto');
+        });
+        this._fullMenuItems[2].connect('activate', function() {
+            GLib.spawn_command_line_async('bluetooth-wizard');
+        });
+
+        for (let i = 0; i < this._fullMenuItems.length; i++) {
+            let item = this._fullMenuItems[i];
+            this.menu.addMenuItem(item);
+        }
+
+        this._deviceItemPosition = 3;
+        this._deviceItems = [];
+        this._applet.connect('devices-changed', Lang.bind(this, this._updateDevices));
+        this._updateDevices();
+
+        this._applet.connect('notify::show-full-menu', Lang.bind(this, this._updateFullMenu));
+        this._updateFullMenu();
+
+        this.menu.addAction(_("Bluetooth Settings"), function() {
+            let app = Shell.AppSystem.get_default().get_app('bluetooth-properties.desktop');
+            app.activate(-1);
+        });
+
+        this._applet.connect('pincode-request', Lang.bind(this, this._pinRequest));
+        this._applet.connect('confirm-request', Lang.bind(this, this._confirmRequest));
+        this._applet.connect('auth-request', Lang.bind(this, this._authRequest));
+        this._applet.connect('cancel-request', Lang.bind(this, this._cancelRequest));
+    },
+
+    _updateKillswitch: function() {
+        let current_state = this._applet.killswitch_state;
+        let on = current_state == GnomeBluetoothApplet.KillswitchState.UNBLOCKED;
+        let has_adapter = current_state != GnomeBluetoothApplet.KillswitchState.NO_ADAPTER;
+        let can_toggle = current_state != GnomeBluetoothApplet.KillswitchState.NO_ADAPTER &&
+                         current_state != GnomeBluetoothApplet.KillswitchState.HARD_BLOCKED;
+
+        this._killswitch.setToggleState(on);
+        this._killswitch.actor.reactive = can_toggle;
+
+        if (has_adapter)
+            this.actor.show();
+        else
+            this.actor.hide();
+
+        if (on) {
+            this._discoverable.actor.show();
+            this.setIcon('bluetooth-active');
+        } else {
+            this._discoverable.actor.hide();
+            this.setIcon('bluetooth-disabled');
+        }
+    },
+
+    _deviceCompare: function(d1, d2) {
+        return d1.device_path == d2.device_path &&
+            d1.bdaddr == d2.bdaddr &&
+            d1.can_connect == d2.can_connect &&
+            d1.capabilities == d2.capabilities;
+    },
+
+    _updateDevices: function() {
+        let devices = this._applet.get_devices();
+
+        let newlist = [ ];
+        for (let i = 0; i < this._deviceItems.length; i++) {
+            let item = this._deviceItems[i];
+            let destroy = true;
+            for (let j = 0; j < devices.length; j++) {
+                // we need to deep compare because BluetoothSimpleDevice is a boxed type
+                // (but we take advantage of that, because _skip will disappear the next
+                // time get_devices() is called)
+                if (this._deviceCompare(item._device, devices[j])) {
+                    item.label.text = devices[j].alias;
+                    devices[j]._skip = true;
+                    destroy = false;
+                    break;
+                }
+            }
+            if (destroy)
+                item.destroy();
+            else
+                newlist.push(item);
+        }
+
+        this._deviceItems = newlist;
+        this._hasDevices = newlist.length > 0;
+        for (let i = 0; i < devices.length; i++) {
+            let d = devices[i];
+            if (d._skip)
+                continue;
+            let item = this._createDeviceItem(d);
+            if (item) {
+                this.menu.addMenuItem(item, this._deviceItemPosition + this._deviceItems.length);
+                this._deviceItems.push(item);
+                this._hasDevices = true;
+            }
+        }
+        if (this._hasDevices)
+            this._deviceSep.actor.show();
+        else
+            this._deviceSep.actor.hide();
+    },
+
+    _createDeviceItem: function(device) {
+        if (!device.can_connect && device.capabilities == GnomeBluetoothApplet.Capabilities.NONE)
+            return null;
+        let item = new PopupMenu.PopupSubMenuMenuItem(device.alias);
+        item._device = device;
+
+        if (device.can_connect) {
+            item._connected = device.connected;
+            let menuitem = new PopupMenu.PopupSwitchMenuItem(_("Connection"), device.connected);
+
+            menuitem.connect('toggled', Lang.bind(this, function() {
+                if (item._connected > ConnectionState.CONNECTED) {
+                    // operation already in progress, revert
+                    menuitem.setToggleState(menuitem.state);
+                }
+                if (item._connected) {
+                    item._connected = ConnectionState.DISCONNECTING;
+                    this._applet.disconnect_device(item._device.device_path, function(applet, success) {
+                        if (success) { // apply
+                            item._connected = ConnectionState.DISCONNECTED;
+                            menuitem.setToggleState(false);
+                        } else { // revert
+                            item._connected = ConnectionState.CONNECTED;
+                            menuitem.setToggleState(true);
+                        }
+                    });
+                } else {
+                    item._connected = ConnectionState.CONNECTING;
+                    this._applet.connect_device(item._device.device_path, function(applet, success) {
+                        if (success) { // apply
+                            item._connected = ConnectionState.CONNECTED;
+                            menuitem.setToggleState(true);
+                        } else { // revert
+                            item._connected = ConnectionState.DISCONNECTED;
+                            menuitem.setToggleState(false);
+                        }
+                    });
+                }
+            }));
+
+            item.menu.addMenuItem(menuitem);
+        }
+
+        if (device.capabilities & GnomeBluetoothApplet.Capabilities.OBEX_PUSH) {
+            item.menu.addAction(_("Send Files..."), Lang.bind(this, function() {
+                this._applet.send_to_address(device.bdaddr, device.alias);
+            }));
+        }
+        if (device.capabilities & GnomeBluetoothApplet.Capabilities.OBEX_FILE_TRANSFER) {
+            item.menu.addAction(_("Browse Files..."), Lang.bind(this, function(event) {
+                this._applet.browse_address(device.bdaddr, event.get_time(),
+                    Lang.bind(this, function(applet, result) {
+                        try {
+                            applet.browse_address_finish(result);
+                        } catch (e) {
+                            this._ensureSource();
+                            this._source.notify(new MessageTray.Notification(this._source,
+                                 _("Bluetooth"),
+                                 _("Error browsing device"),
+                                 { body: _("The requested device cannot be browsed, error is '%s'").format(e) }));
+                        }
+                    }));
+            }));
+        }
+
+        switch (device.type) {
+        case GnomeBluetoothApplet.Type.KEYBOARD:
+            item.menu.addAction(_("Keyboard Settings"), function() {
+                GLib.spawn_command_line_async('gnome-control-center keyboard');
+            });
+            break;
+        case GnomeBluetoothApplet.Type.MOUSE:
+            item.menu.addAction(_("Mouse Settings"), function() {
+                GLib.spawn_command_line_async('gnome-control-center mouse');
+            });
+            break;
+        case GnomeBluetoothApplet.Type.HEADSET:
+        case GnomeBluetoothApplet.Type.HEADPHONES:
+        case GnomeBluetoothApplet.Type.OTHER_AUDIO:
+            item.menu.addAction(_("Sound Settings"), function() {
+                GLib.spawn_command_line_async('gnome-control-center sound');
+            });
+            break;
+        default:
+            break;
+        }
+
+        return item;
+    },
+
+    _updateFullMenu: function() {
+        if (this._applet.show_full_menu) {
+            this._showAll(this._fullMenuItems);
+            if (this._hasDevices)
+                this._showAll(this._deviceItems);
+            else
+                this._deviceSep.actor.hide();
+        } else {
+            this._hideAll(this._fullMenuItems);
+            this._hideAll(this._deviceItems);
+        }
+    },
+
+    _showAll: function(items) {
+        for (let i = 0; i < items.length; i++)
+            items[i].actor.show();
+    },
+
+    _hideAll: function(items) {
+        for (let i = 0; i < items.length; i++)
+            items[i].actor.hide();
+    },
+
+    _destroyAll: function(items) {
+        for (let i = 0; i < items.length; i++)
+            items[i].destroy();
+    },
+
+    _ensureSource: function() {
+        if (!this._source) {
+            this._source = new Source();
+            Main.messageTray.add(this._source);
+        }
+    },
+
+    _authRequest: function(applet, device_path, name, long_name, uuid) {
+        this._ensureSource();
+        this._source.notify(new AuthNotification(this._source, this._applet, device_path, name, long_name, uuid));
+    },
+
+    _confirmRequest: function(applet, device_path, name, long_name, pin) {
+        this._ensureSource();
+        this._source.notify(new ConfirmNotification(this._source, this._applet, device_path, name, long_name, pin));
+    },
+
+    _pinRequest: function(applet, device_path, name, long_name, numeric) {
+        this._ensureSource();
+        this._source.notify(new PinNotification(this._source, this._applet, device_path, name, long_name, numeric));
+    },
+
+    _cancelRequest: function() {
+        this._source.destroy();
+    }
+}
+
+function Source() {
+    this._init.apply(this, arguments);
+}
+
+Source.prototype = {
+    __proto__: MessageTray.Source.prototype,
+
+    _init: function() {
+        MessageTray.Source.prototype._init.call(this, _("Bluetooth"));
+
+        this._setSummaryIcon(this.createNotificationIcon());
+    },
+
+    notify: function(notification) {
+        this._private_destroyId = notification.connect('destroy', Lang.bind(this, function(notification) {
+            if (this.notification == notification) {
+                // the destroyed notification is the last for this source
+                this.notification.disconnect(this._private_destroyId);
+                this.destroy();
+            }
+        }));
+
+        MessageTray.Source.prototype.notify.call(this, notification);
+    },
+
+    createNotificationIcon: function() {
+        return new St.Icon({ icon_name: 'bluetooth-active',
+                             icon_type: St.IconType.SYMBOLIC,
+                             icon_size: this.ICON_SIZE });
+    }
+}
+
+function AuthNotification() {
+    this._init.apply(this, arguments);
+}
+
+AuthNotification.prototype = {
+    __proto__: MessageTray.Notification.prototype,
+
+    _init: function(source, applet, device_path, name, long_name, uuid) {
+        MessageTray.Notification.prototype._init.call(this,
+                                                      source,
+                                                      _("Bluetooth"),
+                                                      _("Authorization request from %s").format(name),
+                                                      { customContent: true });
+        this.setResident(true);
+
+        this._applet = applet;
+        this._devicePath = device_path;
+        this.addBody(_("Device %s wants access to the service '%s'").format(long_name, uuid));
+
+        this.addButton('always-grant', _("Always grant access"));
+        this.addButton('grant', _("Grant this time only"));
+        this.addButton('reject', _("Reject"));
+
+        this.connect('action-invoked', Lang.bind(this, function(self, action) {
+            switch (action) {
+            case 'always-grant':
+                this._applet.agent_reply_auth(this._devicePath, true, true);
+                break;
+            case 'grant':
+                this._applet.agent_reply_auth(this._devicePath, true, false);
+                break;
+            case 'reject':
+            default:
+                this._applet.agent_reply_auth(this._devicePath, false, false);
+            }
+            this.destroy();
+        }));
+    }
+}
+
+function ConfirmNotification() {
+    this._init.apply(this, arguments);
+}
+
+ConfirmNotification.prototype = {
+    __proto__: MessageTray.Notification.prototype,
+
+    _init: function(source, applet, device_path, name, long_name, pin) {
+        MessageTray.Notification.prototype._init.call(this,
+                                                      source,
+                                                      _("Bluetooth"),
+                                                      _("Pairing confirmation for %s").format(name),
+                                                      { customContent: true });
+        this.setResident(true);
+
+        this._applet = applet;
+        this._devicePath = device_path;
+        this.addBody(_("Device %s wants to pair with this computer").format(long_name));
+        this.addBody(_("Please confirm whether the PIN '%s' matches the one on the device.").format(pin));
+
+        this.addButton('matches', _("Matches"));
+        this.addButton('does-not-match', _("Does not match"));
+
+        this.connect('action-invoked', Lang.bind(this, function(self, action) {
+            if (action == 'matches')
+                this._applet.agent_reply_confirm(this._devicePath, true);
+            else
+                this._applet.agent_reply_confirm(this._devicePath, false);
+            this.destroy();
+        }));
+    }
+}
+
+function PinNotification() {
+    this._init.apply(this, arguments);
+}
+
+PinNotification.prototype = {
+    __proto__: MessageTray.Notification.prototype,
+
+    _init: function(source, applet, device_path, name, long_name, numeric) {
+        MessageTray.Notification.prototype._init.call(this,
+                                                      source,
+                                                      _("Bluetooth"),
+                                                      _("Pairing request for %s").format(name),
+                                                      { customContent: true });
+        this.setResident(true);
+
+        this._applet = applet;
+        this._devicePath = device_path;
+        this._numeric = numeric;
+        this.addBody(_("Device %s wants to pair with this computer").format(long_name));
+        this.addBody(_("Please enter the PIN mentioned on the device."));
+
+        this._entry = new St.Entry();
+        this._entry.connect('key-release-event', Lang.bind(this, function(entry, event) {
+            let key = event.get_key_symbol();
+            if (key == Clutter.KEY_Return) {
+                this.emit('action-invoked', 'ok');
+                return true;
+            } else if (key == Clutter.KEY_Escape) {
+                this.emit('action-invoked', 'cancel');
+                return true;
+            }
+            return false;
+        }));
+        this.addActor(this._entry);
+
+        this.addButton('ok', _("OK"));
+        this.addButton('cancel', _("Cancel"));
+
+        this.connect('action-invoked', Lang.bind(this, function(self, action) {
+            if (action == 'ok') {
+                if (this._numeric) {
+                    let num = parseInt(this._entry.text);
+                    if (isNaN(num)) {
+                        // user reply was empty, or was invalid
+                        // cancel the operation
+                        num = -1;
+                    }
+                    this._applet.agent_reply_passkey(this._devicePath, num);
+                } else
+                    this._applet.agent_reply_pincode(this._devicePath, this._entry.text);
+            } else {
+                if (this._numeric)
+                    this._applet.agent_reply_passkey(this._devicePath, -1);
+                else
+                    this._applet.agent_reply_pincode(this._devicePath, null);
+            }
+            this.destroy();
+        }));
+    },
+
+    grabFocus: function(lockTray) {
+        MessageTray.Notification.prototype.grabFocus.call(this, lockTray);
+        global.stage.set_key_focus(this._entry);
+    }
+}
--- a/js/ui/status/keyboard.js
+++ b/js/ui/status/keyboard.js
@ -0,0 +1,203 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const GdkPixbuf = imports.gi.GdkPixbuf;
+const Gkbd = imports.gi.Gkbd;
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const Lang = imports.lang;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+
+const PopupMenu = imports.ui.popupMenu;
+const PanelMenu = imports.ui.panelMenu;
+const Util = imports.misc.util;
+
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+function LayoutMenuItem() {
+    this._init.apply(this, arguments);
+}
+
+LayoutMenuItem.prototype = {
+    __proto__: PopupMenu.PopupBaseMenuItem.prototype,
+
+    _init: function(config, id, indicator, long_name) {
+        PopupMenu.PopupBaseMenuItem.prototype._init.call(this);
+
+        this._config = config;
+        this._id = id;
+        this.label = new St.Label({ text: long_name });
+        this.indicator = indicator;
+        this.addActor(this.label);
+        this.addActor(this.indicator);
+    },
+
+    activate: function(event) {
+        PopupMenu.PopupBaseMenuItem.prototype.activate.call(this);
+        this._config.lock_group(this._id);
+    }
+};
+
+function XKBIndicator() {
+    this._init.call(this);
+}
+
+XKBIndicator.prototype = {
+    __proto__: PanelMenu.Button.prototype,
+
+    _init: function() {
+        PanelMenu.Button.prototype._init.call(this, St.Align.START);
+
+        this._container = new Shell.GenericContainer();
+        this._container.connect('get-preferred-width', Lang.bind(this, this._get_preferred_width));
+        this._container.connect('get-preferred-height', Lang.bind(this, this._get_preferred_height));
+        this._container.connect('allocate', Lang.bind(this, this._allocate));
+        this.actor.set_child(this._container);
+
+        this._iconActor = new St.Icon({ icon_name: 'keyboard', icon_type: St.IconType.SYMBOLIC, style_class: 'system-status-icon' });
+        this._container.add_actor(this._iconActor);
+        this._labelActors = [ ];
+        this._layoutItems = [ ];
+
+        this._showFlags = false;
+        this._config = Gkbd.Configuration.get();
+        this._config.connect('changed', Lang.bind(this, this._sync_config));
+        this._config.connect('group-changed', Lang.bind(this, this._sync_group));
+        this._config.start_listen();
+
+        this._sync_config();
+
+        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
+        this.menu.addAction(_("Show Keyboard Layout..."), Lang.bind(this, function() {
+            Util.spawn(['gkbd-keyboard-display', '-g', String(this._config.get_current_group() + 1)]);
+        }));
+        this.menu.addAction(_("Localization Settings"), function() {
+            let app = Shell.AppSystem.get_default().get_app('gnome-region-panel.desktop');
+            app.activate(-1);
+        });
+    },
+
+    _sync_config: function() {
+        this._showFlags = this._config.if_flags_shown();
+        if (this._showFlags) {
+            this._container.set_skip_paint(this._iconActor, false);
+        } else {
+            this._container.set_skip_paint(this._iconActor, true);
+        }
+
+        let groups = this._config.get_group_names();
+        if (groups.length > 1) {
+            this.actor.show();
+        } else {
+            this.menu.close();
+            this.actor.hide();
+        }
+
+        for (let i = 0; i < this._layoutItems.length; i++)
+            this._layoutItems[i].destroy();
+
+        for (let i = 0; i < this._labelActors.length; i++)
+            this._labelActors[i].destroy();
+
+        let short_names = this._config.get_short_group_names();
+
+        this._selectedLayout = null;
+        this._layoutItems = [ ];
+        this._selectedLabel = null;
+        this._labelActors = [ ];
+        for (let i = 0; i < groups.length; i++) {
+            let icon_name = this._config.get_group_name(i);
+            let actor;
+            if (this._showFlags)
+                actor = new St.Icon({ icon_name: icon_name, icon_type: St.IconType.SYMBOLIC, style_class: 'popup-menu-icon' });
+            else
+                actor = new St.Label({ text: short_names[i] });
+            let item = new LayoutMenuItem(this._config, i, actor, groups[i]);
+            item._short_group_name = short_names[i];
+            item._icon_name = icon_name;
+            this._layoutItems.push(item);
+            this.menu.addMenuItem(item, i);
+
+            let shortLabel = new St.Label({ text: short_names[i] });
+            this._labelActors.push(shortLabel);
+            this._container.add_actor(shortLabel);
+            this._container.set_skip_paint(shortLabel, true);
+        }
+
+        this._sync_group();
+    },
+
+    _sync_group: function() {
+        let selected = this._config.get_current_group();
+
+        if (this._selectedLayout) {
+            this._selectedLayout.setShowDot(false);
+            this._selectedLayout = null;
+        }
+
+        if (this._selectedLabel) {
+            this._container.set_skip_paint(this._selectedLabel, true);
+            this._selectedLabel = null;
+        }
+
+        let item = this._layoutItems[selected];
+        item.setShowDot(true);
+
+        this._iconActor.icon_name = item._icon_name;
+        this._selectedLabel = this._labelActors[selected];
+        this._container.set_skip_paint(this._selectedLabel, this._showFlags);
+
+        this._selectedLayout = item;
+    },
+
+    _get_preferred_width: function(container, for_height, alloc) {
+        /* Here, and in _get_preferred_height, we need to query for the
+           height of all children, but we ignore the results for those
+           we don't actually display. */
+        let max_min_width = 0, max_natural_width = 0;
+        if (this._showFlags)
+            [max_min_width, max_natural_width] = this._iconActor.get_preferred_width(for_height);
+
+        for (let i = 0; i < this._labelActors.length; i++) {
+            let [min_width, natural_width] = this._labelActors[i].get_preferred_width(for_height);
+            if (!this._showFlags) {
+                max_min_width = Math.max(max_min_width, min_width);
+                max_natural_width = Math.max(max_natural_width, natural_width);
+            }
+        }
+
+        alloc.min_size = max_min_width;
+        alloc.natural_size = max_natural_width;
+    },
+
+    _get_preferred_height: function(container, for_width, alloc) {
+        let max_min_height = 0, max_natural_height = 0;
+        if (this._showFlags)
+            [max_min_height, max_natural_height] = this._iconActor.get_preferred_height(for_width);
+        
+        for (let i = 0; i < this._labelActors.length; i++) {
+            let [min_height, natural_height] = this._labelActors[i].get_preferred_height(for_width);
+            if (!this._showFlags) {
+                max_min_height = Math.max(max_min_height, min_height);
+                max_natural_height = Math.max(max_natural_height, natural_height);
+            }
+        }
+
+        alloc.min_size = max_min_height;
+        alloc.natural_size = max_natural_height;
+    },
+
+    _allocate: function(container, box, flags) {
+        // translate box to (0, 0)
+        box.x2 -= box.x1;
+        box.x1 = 0;
+        box.y2 -= box.y1;
+        box.y1 = 0;
+
+        this._iconActor.allocate_align_fill(box, 0.5, 0, false, false, flags);
+        for (let i = 0; i < this._labelActors.length; i++)
+            this._labelActors[i].allocate_align_fill(box, 0.5, 0, false, false, flags);
+    }
+};
--- a/js/ui/status/network.js
+++ b/js/ui/status/network.js
--- a/js/ui/status/power.js
+++ b/js/ui/status/power.js
@ -0,0 +1,253 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Gio = imports.gi.Gio;
+const DBus = imports.dbus;
+const Lang = imports.lang;
+const Mainloop = imports.mainloop;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+
+const PanelMenu = imports.ui.panelMenu;
+const PopupMenu = imports.ui.popupMenu;
+const Util = imports.misc.util;
+
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const BUS_NAME = 'org.gnome.PowerManager';
+const OBJECT_PATH = '/org/gnome/PowerManager';
+
+const UPDeviceType = {
+    UNKNOWN: 0,
+    AC_POWER: 1,
+    BATTERY: 2,
+    UPS: 3,
+    MONITOR: 4,
+    MOUSE: 5,
+    KEYBOARD: 6,
+    PDA: 7,
+    PHONE: 8,
+    MEDIA_PLAYER: 9,
+    TABLET: 10,
+    COMPUTER: 11
+};
+
+const UPDeviceState = {
+    UNKNOWN: 0,
+    CHARGING: 1,
+    DISCHARGING: 2,
+    EMPTY: 3,
+    FULLY_CHARGED: 4,
+    PENDING_CHARGE: 5,
+    PENDING_DISCHARGE: 6
+};
+
+const PowerManagerInterface = {
+    name: 'org.gnome.PowerManager',
+    methods: [
+        { name: 'GetDevices', inSignature: '', outSignature: 'a(susbut)' },
+        { name: 'GetPrimaryDevice', inSignature: '', outSignature: '(susbut)' },
+        ],
+    signals: [
+        { name: 'Changed', inSignature: '' },
+        ],
+    properties: [
+        { name: 'Icon', signature: 's', access: 'read' },
+        ]
+};
+let PowerManagerProxy = DBus.makeProxyClass(PowerManagerInterface);
+
+function Indicator() {
+    this._init.apply(this, arguments);
+}
+
+Indicator.prototype = {
+    __proto__: PanelMenu.SystemStatusButton.prototype,
+
+    _init: function() {
+        PanelMenu.SystemStatusButton.prototype._init.call(this, 'battery-missing');
+        this._proxy = new PowerManagerProxy(DBus.session, BUS_NAME, OBJECT_PATH);
+
+        this._deviceItems = [ ];
+        this._hasPrimary = false;
+        this._primaryDeviceId = null;
+
+        this._batteryItem = new PopupMenu.PopupMenuItem('', { reactive: false });
+        this._primaryPercentage = new St.Label();
+        this._batteryItem.addActor(this._primaryPercentage, { align: St.Align.END });
+        this.menu.addMenuItem(this._batteryItem);
+
+        this._deviceSep = new PopupMenu.PopupSeparatorMenuItem();
+        this.menu.addMenuItem(this._deviceSep);
+        this._otherDevicePosition = 2;
+        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
+
+        this.menu.addAction(_("Power Settings"),function() {
+            let app = Shell.AppSystem.get_default().get_app('gnome-power-panel.desktop');
+            app.activate(-1);
+        });
+
+        this._proxy.connect('Changed', Lang.bind(this, this._devicesChanged));
+        this._devicesChanged();
+    },
+
+    _readPrimaryDevice: function() {
+        this._proxy.GetPrimaryDeviceRemote(Lang.bind(this, function(device, error) {
+            if (error) {
+                this._checkError(error);
+                this._hasPrimary = false;
+                this._primaryDeviceId = null;
+                this._batteryItem.actor.hide();
+                this._deviceSep.actor.hide();
+                return;
+            }
+            let [device_id, device_type, icon, percentage, state, seconds] = device;
+            if (device_type == UPDeviceType.BATTERY) {
+                this._hasPrimary = true;
+                let time = Math.round(seconds / 60);
+                if (time == 0) {
+                    // 0 is reported when UPower does not have enough data
+                    // to estimate battery life
+                    this._batteryItem.label.text = _("Estimating...");
+                } else {
+                    let minutes = time % 60;
+                    let hours = Math.floor(time / 60);
+                    let timestring;
+                    if (time > 60) {
+                        if (minutes == 0) {
+                            timestring = Gettext.ngettext("%d hour remaining", "%d hours remaining", hours).format(hours);
+                        } else {
+                            /* TRANSLATORS: this is a time string, as in "%d hours %d minutes remaining" */
+                            let template = _("%d %s %d %s remaining");
+
+                            timestring = template.format (hours, Gettext.ngettext("hour", "hours", hours), minutes, Gettext.ngettext("minute", "minutes", minutes));
+                        }
+                    } else
+                        timestring = Gettext.ngettext("%d minute remaining", "%d minutes remaining", minutes).format(minutes);
+                    this._batteryItem.label.text = timestring;
+                }
+                this._primaryPercentage.text = Math.round(percentage) + '%';
+                this._batteryItem.actor.show();
+                if (this._deviceItems.length > 0)
+                    this._deviceSep.actor.show();
+            } else {
+                this._hasPrimary = false;
+                this._batteryItem.actor.hide();
+                this._deviceSep.actor.hide();
+            }
+
+            this._primaryDeviceId = device_id;
+        }));
+    },
+
+    _readOtherDevices: function() {
+        this._proxy.GetDevicesRemote(Lang.bind(this, function(devices, error) {
+            this._deviceItems.forEach(function(i) { i.destroy(); });
+            this._deviceItems = [];
+
+            if (error) {
+                this._checkError(error);
+                this._deviceSep.actor.hide();
+                return;
+            }
+
+            let position = 0;
+            for (let i = 0; i < devices.length; i++) {
+                let [device_id, device_type] = devices[i];
+                if (device_type == UPDeviceType.AC_POWER || device_id == this._primaryDeviceId)
+                    continue;
+
+                let item = new DeviceItem (devices[i]);
+                this._deviceItems.push(item);
+                this.menu.addMenuItem(item, this._otherDevicePosition + position);
+                position++;
+            }
+
+            if (this._hasPrimary && position > 0)
+                this._deviceSep.actor.show();
+            else
+                this._deviceSep.actor.hide();
+        }));
+    },
+
+    _devicesChanged: function() {
+        this._proxy.GetRemote('Icon', Lang.bind(this, function(icon, error) {
+            if (icon) {
+                let gicon = Shell.util_icon_from_string (icon);
+                this.setGIcon(gicon);
+                this.actor.show();
+            } else {
+                this._checkError(error);
+                this.menu.close();
+                this.actor.hide();
+            }
+        }));
+        this._readPrimaryDevice();
+        this._readOtherDevices();
+    },
+
+    _checkError: function(error) {
+        if (!this._restarted && error && error.message.match(/org\.freedesktop\.DBus\.Error\.(UnknownMethod|InvalidArgs)/)) {
+            Util.killall('gnome-power-manager');
+            Util.spawn(['gnome-power-manager']);
+            this._restarted = true;
+        }
+    }
+};
+
+function DeviceItem() {
+    this._init.apply(this, arguments);
+}
+
+DeviceItem.prototype = {
+    __proto__: PopupMenu.PopupBaseMenuItem.prototype,
+
+    _init: function(device) {
+        PopupMenu.PopupBaseMenuItem.prototype._init.call(this, { reactive: false });
+
+        let [device_id, device_type, icon, percentage, state, time] = device;
+
+        this._box = new St.BoxLayout({ style_class: 'popup-device-menu-item' });
+        this._label = new St.Label({ text: this._deviceTypeToString(device_type) });
+
+        this._icon = new St.Icon({ gicon: Shell.util_icon_from_string(icon),
+                                   icon_type: St.IconType.SYMBOLIC,
+                                   style_class: 'popup-menu-icon' });
+
+        this._box.add_actor(this._icon);
+        this._box.add_actor(this._label);
+        this.addActor(this._box);
+
+        let percentLabel = new St.Label({ text: '%d%%'.format(Math.round(percentage)) });
+        this.addActor(percentLabel, { align: St.Align.END });
+    },
+
+    _deviceTypeToString: function(type) {
+	switch (type) {
+	case UPDeviceType.AC_POWER:
+            return _("AC adapter");
+        case UPDeviceType.BATTERY:
+            return _("Laptop battery");
+        case UPDeviceType.UPS:
+            return _("UPS");
+        case UPDeviceType.MONITOR:
+            return _("Monitor");
+        case UPDeviceType.MOUSE:
+            return _("Mouse");
+        case UPDeviceType.KEYBOARD:
+            return _("Keyboard");
+        case UPDeviceType.PDA:
+            return _("PDA");
+        case UPDeviceType.PHONE:
+            return _("Cell phone");
+        case UPDeviceType.MEDIA_PLAYER:
+            return _("Media player");
+        case UPDeviceType.TABLET:
+            return _("Tablet");
+        case UPDeviceType.COMPUTER:
+            return _("Computer");
+        default:
+            return _("Unknown");
+        }
+    }
+}
--- a/js/ui/status/volume.js
+++ b/js/ui/status/volume.js
@ -0,0 +1,234 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const DBus = imports.dbus;
+const Lang = imports.lang;
+const Mainloop = imports.mainloop;
+const Shell = imports.gi.Shell;
+const Gvc = imports.gi.Gvc;
+const Signals = imports.signals;
+const St = imports.gi.St;
+
+const PanelMenu = imports.ui.panelMenu;
+const PopupMenu = imports.ui.popupMenu;
+const Util = imports.misc.util;
+
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const VOLUME_ADJUSTMENT_STEP = 0.05; /* Volume adjustment step in % */
+
+const VOLUME_NOTIFY_ID = 1;
+
+function Indicator() {
+    this._init.apply(this, arguments);
+}
+
+Indicator.prototype = {
+    __proto__: PanelMenu.SystemStatusButton.prototype,
+
+    _init: function() {
+        PanelMenu.SystemStatusButton.prototype._init.call(this, 'audio-volume-muted', null);
+
+        this._control = new Gvc.MixerControl({ name: 'GNOME Shell Volume Control' });
+        this._control.connect('ready', Lang.bind(this, this._onControlReady));
+        this._control.connect('default-sink-changed', Lang.bind(this, this._readOutput));
+        this._control.connect('default-source-changed', Lang.bind(this, this._readInput));
+        this._control.connect('stream-added', Lang.bind(this, this._maybeShowInput));
+        this._control.connect('stream-removed', Lang.bind(this, this._maybeShowInput));
+        this._volumeMax = this._control.get_vol_max_norm();
+        this._volumeMaxAmplified = this._control.get_vol_max_amplified();
+
+        this._output = null;
+        this._outputVolumeId = 0;
+        this._outputMutedId = 0;
+        this._outputTitle = new PopupMenu.PopupMenuItem(_("Volume"), { reactive: false });
+        this._outputSlider = new PopupMenu.PopupSliderMenuItem(0);
+        this._outputSlider.connect('value-changed', Lang.bind(this, this._sliderChanged, '_output'));
+        this._outputSlider.connect('drag-end', Lang.bind(this, this._notifyVolumeChange));
+        this.menu.addMenuItem(this._outputTitle);
+        this.menu.addMenuItem(this._outputSlider);
+
+        this._separator = new PopupMenu.PopupSeparatorMenuItem();
+        this.menu.addMenuItem(this._separator);
+
+        this._input = null;
+        this._inputVolumeId = 0;
+        this._inputMutedId = 0;
+        this._inputTitle = new PopupMenu.PopupMenuItem(_("Microphone"), { reactive: false });
+        this._inputSlider = new PopupMenu.PopupSliderMenuItem(0);
+        this._inputSlider.connect('value-changed', Lang.bind(this, this._sliderChanged, '_input'));
+        this._inputSlider.connect('drag-end', Lang.bind(this, this._notifyVolumeChange));
+        this.menu.addMenuItem(this._inputTitle);
+        this.menu.addMenuItem(this._inputSlider);
+
+        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
+        this.menu.addAction(_("Sound Settings"), function() {
+            let app = Shell.AppSystem.get_default().get_app('gnome-sound-panel.desktop');
+            app.activate(-1);
+        });
+
+        this.actor.connect('scroll-event', Lang.bind(this, this._onScrollEvent));
+        this._control.open();
+    },
+
+    _getMaxVolume: function(property) {
+        if (this[property].get_can_decibel())
+            return this._volumeMaxAmplified;
+        else
+            return this._volumeMax;
+    },
+
+    _onScrollEvent: function(actor, event) {
+        let direction = event.get_scroll_direction();
+        let currentVolume = this._output.volume;
+        let maxVolume = this._getMaxVolume('_output');
+
+        if (direction == Clutter.ScrollDirection.DOWN) {
+            let prev_muted = this._output.is_muted;
+            this._output.volume = Math.max(0, currentVolume - maxVolume * VOLUME_ADJUSTMENT_STEP);
+            if (this._output.volume < 1) {
+                this._output.volume = 0;
+                if (!prev_muted)
+                    this._output.change_is_muted(true);
+            }
+            this._output.push_volume();
+        }
+        else if (direction == Clutter.ScrollDirection.UP) {
+            this._output.volume = Math.min(maxVolume, currentVolume + maxVolume * VOLUME_ADJUSTMENT_STEP);
+            this._output.change_is_muted(false);
+            this._output.push_volume();
+        }
+
+        this._notifyVolumeChange();
+    },
+
+    _onControlReady: function() {
+        this._readOutput();
+        this._readInput();
+    },
+
+    _readOutput: function() {
+        if (this._outputVolumeId) {
+            this._output.disconnect(this._outputVolumeId);
+            this._output.disconnect(this._outputMutedId);
+            this._outputVolumeId = 0;
+            this._outputMutedId = 0;
+        }
+        this._output = this._control.get_default_sink();
+        if (this._output) {
+            this._outputMutedId = this._output.connect('notify::is-muted', Lang.bind(this, this._mutedChanged, '_output'));
+            this._outputVolumeId = this._output.connect('notify::volume', Lang.bind(this, this._volumeChanged, '_output'));
+            this._mutedChanged (null, null, '_output');
+            this._volumeChanged (null, null, '_output');
+        } else {
+            this._outputSlider.setValue(0);
+            this.setIcon('audio-volume-muted-symbolic');
+        }
+    },
+
+    _readInput: function() {
+        if (this._inputVolumeId) {
+            this._input.disconnect(this._inputVolumeId);
+            this._input.disconnect(this._inputMutedId);
+            this._inputVolumeId = 0;
+            this._inputMutedId = 0;
+        }
+        this._input = this._control.get_default_source();
+        if (this._input) {
+            this._inputMutedId = this._input.connect('notify::is-muted', Lang.bind(this, this._mutedChanged, '_input'));
+            this._inputVolumeId = this._input.connect('notify::volume', Lang.bind(this, this._volumeChanged, '_input'));
+            this._mutedChanged (null, null, '_input');
+            this._volumeChanged (null, null, '_input');
+        } else {
+            this._separator.actor.hide();
+            this._inputTitle.actor.hide();
+            this._inputSlider.actor.hide();
+        }
+    },
+
+    _maybeShowInput: function() {
+        // only show input widgets if any application is recording audio
+        let showInput = false;
+        let recordingApps = this._control.get_source_outputs();
+        if (this._input && recordingApps) {
+            for (let i = 0; i < recordingApps.length; i++) {
+                let outputStream = recordingApps[i];
+                let id = outputStream.get_application_id();
+                // but skip gnome-volume-control and pavucontrol
+                // (that appear as recording because they show the input level)
+                if (!id || (id != 'org.gnome.VolumeControl' && id != 'org.PulseAudio.pavucontrol')) {
+                    showInput = true;
+                    break;
+                }
+            }
+        }
+        if (showInput) {
+            this._separator.actor.show();
+            this._inputTitle.actor.show();
+            this._inputSlider.actor.show();
+        } else {
+            this._separator.actor.hide();
+            this._inputTitle.actor.hide();
+            this._inputSlider.actor.hide();
+        }
+    },
+
+    _volumeToIcon: function(volume) {
+        let maxVolume = this._getMaxVolume('_output');
+        if (volume <= 0) {
+            return 'audio-volume-muted';
+        } else {
+            let n = Math.floor(3 * volume / maxVolume) + 1;
+            if (n < 2)
+                return 'audio-volume-low';
+            if (n >= 3)
+                return 'audio-volume-high';
+            return 'audio-volume-medium';
+        }
+    },
+
+    _sliderChanged: function(slider, value, property) {
+        if (this[property] == null) {
+            log ('Volume slider changed for %s, but %s does not exist'.format(property, property));
+            return;
+        }
+        let volume = value * this._getMaxVolume(property);
+        let prev_muted = this[property].is_muted;
+        if (volume < 1) {
+            this[property].volume = 0;
+            if (!prev_muted)
+                this[property].change_is_muted(true);
+        } else {
+            this[property].volume = volume;
+            if (prev_muted)
+                this[property].change_is_muted(false);
+        }
+        this[property].push_volume();
+    },
+
+    _notifyVolumeChange: function() {
+        global.cancel_theme_sound(VOLUME_NOTIFY_ID);
+        global.play_theme_sound(VOLUME_NOTIFY_ID, 'audio-volume-change');
+    },
+
+    _mutedChanged: function(object, param_spec, property) {
+        let muted = this[property].is_muted;
+        let slider = this[property+'Slider'];
+        let maxVolume = this._getMaxVolume(property);
+        slider.setValue(muted ? 0 : (this[property].volume / maxVolume));
+        if (property == '_output') {
+            if (muted)
+                this.setIcon('audio-volume-muted');
+            else
+                this.setIcon(this._volumeToIcon(this._output.volume));
+        }
+    },
+
+    _volumeChanged: function(object, param_spec, property) {
+        let maxVolume = this._getMaxVolume(property);
+        this[property+'Slider'].setValue(this[property].volume / maxVolume);
+        if (property == '_output' && !this._output.is_muted)
+            this.setIcon(this._volumeToIcon(this._output.volume));
+    }
+};
--- a/js/ui/statusIconDispatcher.js
+++ b/js/ui/statusIconDispatcher.js
@ -6,14 +6,21 @@ const Signals = imports.signals;

 const MessageTray = imports.ui.messageTray;
 const NotificationDaemon = imports.ui.notificationDaemon;
+const Util = imports.misc.util;

 const STANDARD_TRAY_ICON_IMPLEMENTATIONS = {
    'bluetooth-applet': 'bluetooth',
-    'gnome-volume-control-applet': 'volume',
+    'gnome-volume-control-applet': 'volume', // renamed to gnome-sound-applet
+                                             // when moved to control center
+    'gnome-sound-applet': 'volume',
    'nm-applet': 'network',
    'gnome-power-manager': 'battery',
    'keyboard': 'keyboard',
-    'gnome-settings-daemon': 'display'
+    'a11y-keyboard': 'a11y',
+    'kbd-scrolllock': 'keyboard',
+    'kbd-numlock': 'keyboard',
+    'kbd-capslock': 'keyboard',
+    'ibus-ui-gtk': 'input-method'
 };

 function StatusIconDispatcher() {
@ -25,18 +32,20 @@ StatusIconDispatcher.prototype = {
        this._traymanager = new Shell.TrayManager();
        this._traymanager.connect('tray-icon-added', Lang.bind(this, this._onTrayIconAdded));
        this._traymanager.connect('tray-icon-removed', Lang.bind(this, this._onTrayIconRemoved));
-        this._traymanager.manage_stage(global.stage);

        // Yet-another-Ubuntu-workaround - we have to kill their
        // app-indicators, so that applications fall back to normal
        // status icons
        // http://bugzilla.gnome.org/show_bug.cgi=id=621382
-        let p = new Shell.Process({ args: ['pkill', '-f', '^([^ ]*/)?indicator-application-service$']});
-        p.run();
+        Util.killall('indicator-application-service');
+    },
+
+    start: function(themeWidget) {
+        this._traymanager.manage_stage(global.stage, themeWidget);
    },

    _onTrayIconAdded: function(o, icon) {
-        let wmClass = icon.wm_class.toLowerCase();
+        let wmClass = (icon.wm_class || 'unknown').toLowerCase();
        let role = STANDARD_TRAY_ICON_IMPLEMENTATIONS[wmClass];
        if (role)
            this.emit('status-icon-added', icon, role);
@ -45,7 +54,7 @@ StatusIconDispatcher.prototype = {
    },

    _onTrayIconRemoved: function(o, icon) {
-        let wmClass = icon.wm_class.toLowerCase();
+        let wmClass = (icon.wm_class || 'unknown').toLowerCase();
        let role = STANDARD_TRAY_ICON_IMPLEMENTATIONS[wmClass];
        if (role)
            this.emit('status-icon-removed', icon);
--- a/js/ui/statusMenu.js
+++ b/js/ui/statusMenu.js
@ -1,10 +1,14 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */

 const Gdm = imports.gi.Gdm;
+const DBus = imports.dbus;
+const Gio = imports.gi.Gio;
 const GLib = imports.gi.GLib;
 const Lang = imports.lang;
 const Shell = imports.gi.Shell;
 const St = imports.gi.St;
+const Tp = imports.gi.TelepathyGLib;
+const UPowerGlib = imports.gi.UPowerGlib;
 const Gettext = imports.gettext.domain('gnome-shell');
 const _ = Gettext.gettext;

@ -12,6 +16,22 @@ const GnomeSession = imports.misc.gnomeSession;
 const Main = imports.ui.main;
 const PanelMenu = imports.ui.panelMenu;
 const PopupMenu = imports.ui.popupMenu;
+const Util = imports.misc.util;
+
+const BUS_NAME = 'org.gnome.ScreenSaver';
+const OBJECT_PATH = '/org/gnome/ScreenSaver';
+
+const LOCKDOWN_SCHEMA = 'org.gnome.desktop.lockdown';
+const DISABLE_USER_SWITCH_KEY = 'disable-user-switching';
+const DISABLE_LOCK_SCREEN_KEY = 'disable-lock-screen';
+const DISABLE_LOG_OUT_KEY = 'disable-log-out';
+
+const ScreenSaverInterface = {
+    name: BUS_NAME,
+    methods: [ { name: 'Lock', inSignature: '' } ]
+};
+
+let ScreenSaverProxy = DBus.makeProxyClass(ScreenSaverInterface);

 // Adapted from gdm/gui/user-switch-applet/applet.c
 //
@ -26,52 +46,122 @@ StatusMenuButton.prototype = {
    __proto__: PanelMenu.Button.prototype,

    _init: function() {
-        PanelMenu.Button.prototype._init.call(this, St.Align.START);
+        PanelMenu.Button.prototype._init.call(this, 0.0);
        let box = new St.BoxLayout({ name: 'panelStatusMenu' });
        this.actor.set_child(box);

+        this._lockdownSettings = new Gio.Settings({ schema: LOCKDOWN_SCHEMA });
+
        this._gdm = Gdm.UserManager.ref_default();
+        this._gdm.queue_load();
+
        this._user = this._gdm.get_user(GLib.get_user_name());
        this._presence = new GnomeSession.Presence();
+        this._presenceItems = {};
+        this._session = new GnomeSession.SessionManager();

+        this._account_mgr = Tp.AccountManager.dup()
+
+        this._upClient = new UPowerGlib.Client();
+        this._screenSaverProxy = new ScreenSaverProxy(DBus.session, BUS_NAME, OBJECT_PATH);
        this.actor.connect('destroy', Lang.bind(this, this._onDestroy));

        this._iconBox = new St.Bin();
        box.add(this._iconBox, { y_align: St.Align.MIDDLE, y_fill: false });

        let textureCache = St.TextureCache.get_default();
-        this._availableIcon = textureCache.load_icon_name('user-available', St.IconType.SYMBOLIC, 16);
-        this._busyIcon = textureCache.load_icon_name('user-busy', St.IconType.SYMBOLIC, 16);
-        this._invisibleIcon = textureCache.load_icon_name('user-invisible', St.IconType.SYMBOLIC, 16);
-        this._idleIcon = textureCache.load_icon_name('user-idle', St.IconType.SYMBOLIC, 16);
+        this._availableIcon = new St.Icon({ icon_name: 'user-available', style_class: 'popup-menu-icon' });
+        this._busyIcon = new St.Icon({ icon_name: 'user-busy', style_class: 'popup-menu-icon' });
+        this._invisibleIcon = new St.Icon({ icon_name: 'user-invisible', style_class: 'popup-menu-icon' });
+        this._idleIcon = new St.Icon({ icon_name: 'user-idle', style_class: 'popup-menu-icon' });

        this._presence.connect('StatusChanged', Lang.bind(this, this._updatePresenceIcon));
        this._presence.getStatus(Lang.bind(this, this._updatePresenceIcon));

-        this._name = new St.Label({ text: this._user.get_real_name() });
+        this._name = new St.Label();
        box.add(this._name, { y_align: St.Align.MIDDLE, y_fill: false });
-        this._userNameChangedId = this._user.connect('notify::display-name', Lang.bind(this, this._updateUserName));
+        this._userLoadedId = this._user.connect('notify::is-loaded', Lang.bind(this, this._updateUserName));
+        this._userChangedId = this._user.connect('changed', Lang.bind(this, this._updateUserName));

        this._createSubMenu();
-        this._gdm.connect('users-loaded', Lang.bind(this, this._updateSwitchUser));
+        this._gdm.connect('notify::is-loaded', Lang.bind(this, this._updateSwitchUser));
        this._gdm.connect('user-added', Lang.bind(this, this._updateSwitchUser));
        this._gdm.connect('user-removed', Lang.bind(this, this._updateSwitchUser));
+        this._lockdownSettings.connect('changed::' + DISABLE_USER_SWITCH_KEY,
+                                       Lang.bind(this, this._updateSwitchUser));
+        this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
+                                       Lang.bind(this, this._updateLogout));
+        this._lockdownSettings.connect('changed::' + DISABLE_LOCK_SCREEN_KEY,
+                                       Lang.bind(this, this._updateLockScreen));
+        this._updateSwitchUser();
+        this._updateLogout();
+        this._updateLockScreen();
+
+        this._upClient.connect('notify::can-suspend', Lang.bind(this, this._updateSuspendOrPowerOff));
    },

    _onDestroy: function() {
-        this._user.disconnect(this._userNameChangedId);
+        this._user.disconnect(this._userLoadedId);
+        this._user.disconnect(this._userChangedId);
    },

    _updateUserName: function() {
-        this._name.set_text(this._user.get_real_name());
+        if (this._user.is_loaded)
+          this._name.set_text(this._user.get_real_name());
+        else
+          this._name.set_text("");
+    },
+
+    _updateSessionSeparator: function() {
+        let showSeparator = this._loginScreenItem.actor.visible ||
+                            this._logoutItem.actor.visible ||
+                            this._lockScreenItem.actor.visible;
+        if (showSeparator)
+            this._sessionSeparator.actor.show();
+        else
+            this._sessionSeparator.actor.hide();
    },

    _updateSwitchUser: function() {
-        let users = this._gdm.list_users();
-        if (users.length > 1)
+        let allowSwitch = !this._lockdownSettings.get_boolean(DISABLE_USER_SWITCH_KEY);
+        if (allowSwitch && this._gdm.can_switch ())
            this._loginScreenItem.actor.show();
        else
            this._loginScreenItem.actor.hide();
+        this._updateSessionSeparator();
+    },
+
+    _updateLogout: function() {
+        let allowLogout = !this._lockdownSettings.get_boolean(DISABLE_LOG_OUT_KEY);
+        if (allowLogout)
+            this._logoutItem.actor.show();
+        else
+            this._logoutItem.actor.hide();
+        this._updateSessionSeparator();
+    },
+
+    _updateLockScreen: function() {
+        let allowLockScreen = !this._lockdownSettings.get_boolean(DISABLE_LOCK_SCREEN_KEY);
+        if (allowLockScreen)
+            this._lockScreenItem.actor.show();
+        else
+            this._lockScreenItem.actor.hide();
+        this._updateSessionSeparator();
+    },
+
+    _updateSuspendOrPowerOff: function() {
+        this._haveSuspend = this._upClient.get_can_suspend();
+
+        if (!this._suspendOrPowerOffItem)
+            return;
+
+        // If we can't suspend show Power Off... instead
+        // and disable the alt key
+        if (!this._haveSuspend) {
+            this._suspendOrPowerOffItem.updateText(_("Power Off..."), null);
+        } else {
+            this._suspendOrPowerOffItem.updateText(_("Suspend"), _("Power Off..."));
+        }
    },

    _updatePresenceIcon: function(presence, status) {
@ -83,72 +173,86 @@ StatusMenuButton.prototype = {
            this._iconBox.child = this._invisibleIcon;
        else
            this._iconBox.child = this._idleIcon;
+
+        for (let itemStatus in this._presenceItems)
+            this._presenceItems[itemStatus].setShowDot(itemStatus == status);
    },

    _createSubMenu: function() {
        let item;

-        item = new PopupMenu.PopupImageMenuItem(_("Available"), 'user-available', true);
+        item = new PopupMenu.PopupImageMenuItem(_("Available"), 'user-available');
        item.connect('activate', Lang.bind(this, this._setPresenceStatus, GnomeSession.PresenceStatus.AVAILABLE));
        this.menu.addMenuItem(item);
+        this._presenceItems[GnomeSession.PresenceStatus.AVAILABLE] = item;

-        item = new PopupMenu.PopupImageMenuItem(_("Busy"), 'user-busy', true);
+        item = new PopupMenu.PopupImageMenuItem(_("Busy"), 'user-busy');
        item.connect('activate', Lang.bind(this, this._setPresenceStatus, GnomeSession.PresenceStatus.BUSY));
        this.menu.addMenuItem(item);
-
-        item = new PopupMenu.PopupImageMenuItem(_("Invisible"), 'user-invisible', true);
-        item.connect('activate', Lang.bind(this, this._setPresenceStatus, GnomeSession.PresenceStatus.INVISIBLE));
-        this.menu.addMenuItem(item);
+        this._presenceItems[GnomeSession.PresenceStatus.BUSY] = item;

        item = new PopupMenu.PopupSeparatorMenuItem();
        this.menu.addMenuItem(item);

-        item = new PopupMenu.PopupImageMenuItem(_("Account Information..."), 'user-info');
-        item.connect('activate', Lang.bind(this, this._onAccountInformationActivate));
+        item = new PopupMenu.PopupMenuItem(_("My Account"));
+        item.connect('activate', Lang.bind(this, this._onMyAccountActivate));
        this.menu.addMenuItem(item);

-        item = new PopupMenu.PopupImageMenuItem(_("System Settings..."), 'preferences-desktop');
+        item = new PopupMenu.PopupMenuItem(_("System Settings"));
        item.connect('activate', Lang.bind(this, this._onPreferencesActivate));
        this.menu.addMenuItem(item);

        item = new PopupMenu.PopupSeparatorMenuItem();
        this.menu.addMenuItem(item);

-        item = new PopupMenu.PopupImageMenuItem(_("Lock Screen"), 'system-lock-screen');
+        item = new PopupMenu.PopupMenuItem(_("Lock Screen"));
        item.connect('activate', Lang.bind(this, this._onLockScreenActivate));
        this.menu.addMenuItem(item);
+        this._lockScreenItem = item;

-        item = new PopupMenu.PopupImageMenuItem(_("Switch User"), 'system-users');
+        item = new PopupMenu.PopupMenuItem(_("Switch User"));
        item.connect('activate', Lang.bind(this, this._onLoginScreenActivate));
        this.menu.addMenuItem(item);
        this._loginScreenItem = item;

-        item = new PopupMenu.PopupImageMenuItem(_("Log Out..."), 'system-log-out');
+        item = new PopupMenu.PopupMenuItem(_("Log Out..."));
        item.connect('activate', Lang.bind(this, this._onQuitSessionActivate));
        this.menu.addMenuItem(item);
+        this._logoutItem = item;

-        item = new PopupMenu.PopupImageMenuItem(_("Shut Down..."), 'system-shutdown');
-        item.connect('activate', Lang.bind(this, this._onShutDownActivate));
+        item = new PopupMenu.PopupSeparatorMenuItem();
        this.menu.addMenuItem(item);
+        this._sessionSeparator = item;
+
+        item = new PopupMenu.PopupAlternatingMenuItem(_("Suspend"),
+                                                      _("Power Off..."));
+        this.menu.addMenuItem(item);
+        this._suspendOrPowerOffItem = item;
+        item.connect('activate', Lang.bind(this, this._onSuspendOrPowerOffActivate));
+        this._updateSuspendOrPowerOff();
    },

    _setPresenceStatus: function(item, event, status) {
        this._presence.setStatus(status);
+
+        this._setIMStatus(status);
    },

-    _onAccountInformationActivate: function() {
+    _onMyAccountActivate: function() {
        Main.overview.hide();
-        this._spawn(['gnome-about-me']);
+        let app = Shell.AppSystem.get_default().get_app('gnome-user-accounts-panel.desktop');
+        app.activate(-1);
    },

    _onPreferencesActivate: function() {
        Main.overview.hide();
-        this._spawn(['gnome-control-center']);
+        let app = Shell.AppSystem.get_default().get_app('gnome-control-center.desktop');
+        app.activate(-1);
    },

    _onLockScreenActivate: function() {
        Main.overview.hide();
-        this._spawn(['gnome-screensaver-command', '--lock']);
+        this._screenSaverProxy.LockRemote();
    },

    _onLoginScreenActivate: function() {
@ -159,19 +263,45 @@ StatusMenuButton.prototype = {

    _onQuitSessionActivate: function() {
        Main.overview.hide();
-        this._spawn(['gnome-session-save', '--logout-dialog']);
+        this._session.LogoutRemote(0);
    },

-    _onShutDownActivate: function() {
+    _onSuspendOrPowerOffActivate: function() {
        Main.overview.hide();
-        this._spawn(['gnome-session-save', '--shutdown-dialog']);
+
+        if (this._haveSuspend &&
+            this._suspendOrPowerOffItem.state == PopupMenu.PopupAlternatingMenuItemState.DEFAULT) {
+            this._screenSaverProxy.LockRemote(Lang.bind(this, function() {
+                this._upClient.suspend_sync(null);
+            }));
+        } else {
+            this._session.ShutdownRemote();
+        }
    },

-    _spawn: function(args) {
-        // FIXME: once Shell.Process gets support for signalling
-        // errors we should pop up an error dialog or something here
-        // on failure
-        let p = new Shell.Process({'args' : args});
-        p.run();
+    _setIMStatus: function(session_status) {
+        let [presence_type, presence_status, msg] = this._account_mgr.get_most_available_presence();
+        let type, status;
+
+        // We change the IM presence only if there are connected accounts
+        if (presence_type == Tp.ConnectionPresenceType.UNSET ||
+            presence_type == Tp.ConnectionPresenceType.OFFLINE ||
+            presence_type == Tp.ConnectionPresenceType.UNKNOWN ||
+            presence_type == Tp.ConnectionPresenceType.ERROR)
+          return;
+
+        if (session_status == GnomeSession.PresenceStatus.AVAILABLE) {
+            type = Tp.ConnectionPresenceType.AVAILABLE;
+            status = "available";
+        }
+        else if (session_status == GnomeSession.PresenceStatus.BUSY) {
+            type = Tp.ConnectionPresenceType.BUSY;
+            status = "busy";
+        }
+        else {
+          return;
+        }
+
+        this._account_mgr.set_all_requested_presences(type, status, msg);
    }
 };
--- a/js/ui/telepathyClient.js
+++ b/js/ui/telepathyClient.js
--- a/js/ui/tweener.js
+++ b/js/ui/tweener.js
@ -62,9 +62,16 @@ function addTween(target, tweeningParameters) {
 function _wrapTweening(target, tweeningParameters) {
    let state = _getTweenState(target);

-    if (target instanceof Clutter.Actor && !state.destroyedId)
-        state.destroyedId = target.connect('destroy', _actorDestroyed);
-    
+    if (!state.destroyedId) {
+        if (target instanceof Clutter.Actor) {
+            state.actor = target;
+            state.destroyedId = target.connect('destroy', _actorDestroyed);
+        } else if (target.actor && target.actor instanceof Clutter.Actor) {
+            state.actor = target.actor;
+            state.destroyedId = target.actor.connect('destroy', function() { _actorDestroyed(target); });
+        }
+    }
+
    _addHandler(target, tweeningParameters, 'onStart', _tweenStarted);
    _addHandler(target, tweeningParameters, 'onComplete', _tweenCompleted);
 }
@ -82,7 +89,7 @@ function _resetTweenState(target) {

    if (state) {
        if (state.destroyedId)
-            target.disconnect(state.destroyedId);
+            state.actor.disconnect(state.destroyedId);
        if (state.idleCompletedId)
            Mainloop.source_remove(state.idleCompletedId);
    }
--- a/js/ui/viewSelector.js
+++ b/js/ui/viewSelector.js
@ -0,0 +1,561 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const Gtk = imports.gi.Gtk;
+const Mainloop = imports.mainloop;
+const Meta = imports.gi.Meta;
+const Signals = imports.signals;
+const Lang = imports.lang;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+const Gettext = imports.gettext.domain('gnome-shell');
+const _ = Gettext.gettext;
+
+const Main = imports.ui.main;
+const Search = imports.ui.search;
+const SearchDisplay = imports.ui.searchDisplay;
+const Tweener = imports.ui.tweener;
+
+function BaseTab(titleActor, pageActor, name, a11yIcon) {
+    this._init(titleActor, pageActor, name, a11yIcon);
+}
+
+BaseTab.prototype = {
+    _init: function(titleActor, pageActor, name, a11yIcon) {
+        this.title = titleActor;
+        this.page = new St.Bin({ child: pageActor,
+                                 x_align: St.Align.START,
+                                 y_align: St.Align.START,
+                                 x_fill: true,
+                                 y_fill: true,
+                                 style_class: 'view-tab-page' });
+
+        if (this.title.can_focus) {
+            Main.ctrlAltTabManager.addGroup(this.title, name, a11yIcon);
+        } else {
+            Main.ctrlAltTabManager.addGroup(this.page, name, a11yIcon,
+                                            { proxy: this.title,
+                                              focusCallback: Lang.bind(this, this._a11yFocus) });
+        }
+
+        this.visible = false;
+    },
+
+    show: function(animate) {
+        this.visible = true;
+        this.page.show();
+
+        if (!animate)
+            return;
+
+        this.page.opacity = 0;
+        Tweener.addTween(this.page,
+                         { opacity: 255,
+                           time: 0.1,
+                           transition: 'easeOutQuad' });
+    },
+
+    hide: function() {
+        this.visible = false;
+        Tweener.addTween(this.page,
+                         { opacity: 0,
+                           time: 0.1,
+                           transition: 'easeOutQuad',
+                           onComplete: Lang.bind(this,
+                               function() {
+                                   this.page.hide();
+                               })
+                         });
+    },
+
+    _a11yFocus: function() {
+        this._activate();
+        this.page.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
+    },
+
+    _activate: function() {
+        this.emit('activated');
+    }
+};
+Signals.addSignalMethods(BaseTab.prototype);
+
+
+function ViewTab(id, label, pageActor, a11yIcon) {
+    this._init(id, label, pageActor, a11yIcon);
+}
+
+ViewTab.prototype = {
+    __proto__: BaseTab.prototype,
+
+    _init: function(id, label, pageActor, a11yIcon) {
+        this.id = id;
+
+        let titleActor = new St.Button({ label: label,
+                                         style_class: 'view-tab-title' });
+        titleActor.connect('clicked', Lang.bind(this, this._activate));
+
+        BaseTab.prototype._init.call(this, titleActor, pageActor, label, a11yIcon);
+    }
+};
+
+
+function SearchTab() {
+    this._init();
+}
+
+SearchTab.prototype = {
+    __proto__: BaseTab.prototype,
+
+    _init: function() {
+        this.active = false;
+        this._searchPending = false;
+        this._searchTimeoutId = 0;
+
+        this._searchSystem = new Search.SearchSystem();
+        this._openSearchSystem = new Search.OpenSearchSystem();
+
+        this._entry = new St.Entry({ name: 'searchEntry',
+                                     /* Translators: this is the text displayed
+                                        in the search entry when no search is
+                                        active; it should not exceed ~30
+                                        characters. */
+                                     hint_text: _("Type to search..."),
+                                     track_hover: true,
+                                     can_focus: true });
+        this._text = this._entry.clutter_text;
+        this._text.connect('key-press-event', Lang.bind(this, this._onKeyPress));
+
+        this._inactiveIcon = new St.Icon({ style_class: 'search-entry-icon',
+                                           icon_name: 'edit-find',
+                                           icon_type: St.IconType.SYMBOLIC });
+        this._activeIcon = new St.Icon({ style_class: 'search-entry-icon',
+                                         icon_name: 'edit-clear',
+                                         icon_type: St.IconType.SYMBOLIC });
+        this._entry.set_secondary_icon(this._inactiveIcon);
+
+        this._iconClickedId = 0;
+
+        this._searchResults = new SearchDisplay.SearchResults(this._searchSystem, this._openSearchSystem);
+        BaseTab.prototype._init.call(this,
+                                     this._entry,
+                                     this._searchResults.actor,
+                                     _("Search"),
+                                     'edit-find');
+
+        this._text.connect('text-changed', Lang.bind(this, this._onTextChanged));
+        this._text.connect('activate', Lang.bind(this, function (se) {
+            if (this._searchTimeoutId > 0) {
+                Mainloop.source_remove(this._searchTimeoutId);
+                this._doSearch();
+            }
+            this._searchResults.activateSelected();
+            return true;
+        }));
+
+        this._entry.connect('secondary-icon-clicked', Lang.bind(this,
+            function() {
+                this._reset();
+            }));
+        this._entry.connect('notify::mapped', Lang.bind(this, this._onMapped));
+
+        global.stage.connect('notify::key-focus', Lang.bind(this, this._updateCursorVisibility));
+
+        this._capturedEventId = 0;
+    },
+
+    hide: function() {
+        BaseTab.prototype.hide.call(this);
+
+        this._reset();
+    },
+
+    _reset: function () {
+        this._text.text = '';
+
+        global.stage.set_key_focus(null);
+
+        this._text.set_cursor_visible(true);
+        this._text.set_selection(0, 0);
+    },
+
+    _updateCursorVisibility: function() {
+        let focus = global.stage.get_key_focus();
+        this._text.set_cursor_visible(focus == this._text);
+    },
+
+    _onMapped: function() {
+        if (this._entry.mapped) {
+            // Enable 'find-as-you-type'
+            this._capturedEventId = global.stage.connect('captured-event',
+                                 Lang.bind(this, this._onCapturedEvent));
+            this._text.set_cursor_visible(true);
+            this._text.set_selection(0, 0);
+        } else {
+            // Disable 'find-as-you-type'
+            if (this._capturedEventId > 0)
+                global.stage.disconnect(this._capturedEventId);
+            this._capturedEventId = 0;
+        }
+    },
+
+    addSearchProvider: function(provider) {
+        this._searchSystem.registerProvider(provider);
+        this._searchResults.createProviderMeta(provider);
+    },
+
+    startSearch: function(event) {
+        global.stage.set_key_focus(this._text);
+        this._text.event(event, false);
+    },
+
+    // the entry does not show the hint
+    _isActivated: function() {
+        return this._text.text == this._entry.get_text();
+    },
+
+    _onTextChanged: function (se, prop) {
+        let searchPreviouslyActive = this.active;
+        this.active = this._entry.get_text() != '';
+        this._searchPending = this.active && !searchPreviouslyActive;
+        if (this._searchPending) {
+            this._searchResults.startingSearch();
+        }
+        if (this.active) {
+            this._entry.set_secondary_icon(this._activeIcon);
+
+            if (this._iconClickedId == 0) {
+                this._iconClickedId = this._entry.connect('secondary-icon-clicked',
+                    Lang.bind(this, function() {
+                        this.reset();
+                    }));
+            }
+            this._activate();
+        } else {
+            if (this._iconClickedId > 0)
+                this._entry.disconnect(this._iconClickedId);
+            this._iconClickedId = 0;
+
+            this._entry.set_secondary_icon(this._inactiveIcon);
+            this.emit('search-cancelled');
+        }
+        if (!this.active) {
+            if (this._searchTimeoutId > 0) {
+                Mainloop.source_remove(this._searchTimeoutId);
+                this._searchTimeoutId = 0;
+            }
+            return;
+        }
+        if (this._searchTimeoutId > 0)
+            return;
+        this._searchTimeoutId = Mainloop.timeout_add(150, Lang.bind(this, this._doSearch));
+    },
+
+    _onKeyPress: function(entry, event) {
+        let symbol = event.get_key_symbol();
+        if (symbol == Clutter.Up) {
+            if (!this.active)
+                return true;
+            this._searchResults.selectUp(false);
+
+            return true;
+        } else if (symbol == Clutter.Down) {
+            if (!this.active)
+                return true;
+
+            this._searchResults.selectDown(false);
+            return true;
+        } else if (symbol == Clutter.Escape) {
+            if (this._isActivated()) {
+                this._reset();
+                return true;
+            }
+        }
+
+        return false;
+    },
+
+    _onCapturedEvent: function(actor, event) {
+        if (event.type() == Clutter.EventType.BUTTON_PRESS) {
+            let source = event.get_source();
+            if (source != this._text && this._text.text == '') {
+                // the user clicked outside after activating the entry, but
+                // with no search term entered - cancel the search
+                this._reset();
+            }
+        }
+
+        return false;
+    },
+
+    _doSearch: function () {
+        this._searchTimeoutId = 0;
+        let text = this._text.get_text().replace(/^\s+/g, '').replace(/\s+$/g, '');
+        this._searchResults.updateSearch(text);
+
+        return false;
+    }
+};
+
+
+function ViewSelector() {
+    this._init();
+}
+
+ViewSelector.prototype = {
+    _init : function() {
+        this.actor = new St.BoxLayout({ name: 'viewSelector',
+                                        vertical: true });
+
+        // The tab bar is located at the top of the view selector and
+        // holds both "normal" tab labels and the search entry. The former
+        // is left aligned, the latter right aligned - unless the text
+        // direction is RTL, in which case the order is reversed.
+        this._tabBar = new Shell.GenericContainer();
+        this._tabBar.connect('get-preferred-width',
+                             Lang.bind(this, this._getPreferredTabBarWidth));
+        this._tabBar.connect('get-preferred-height',
+                             Lang.bind(this, this._getPreferredTabBarHeight));
+        this._tabBar.connect('allocate',
+                             Lang.bind(this, this._allocateTabBar));
+        this.actor.add(this._tabBar);
+
+        // Box to hold "normal" tab labels
+        this._tabBox = new St.BoxLayout({ name: 'viewSelectorTabBar' });
+        this._tabBar.add_actor(this._tabBox);
+
+        // The searchArea just holds the entry
+        this._searchArea = new St.Bin({ name: 'searchArea' });
+        this._tabBar.add_actor(this._searchArea);
+
+        // The page area holds the tab pages. Every page is given the
+        // area's full allocation, so that the pages would appear on top
+        // of each other if the inactive ones weren't hidden.
+        this._pageArea = new Shell.Stack();
+        this.actor.add(this._pageArea, { x_fill: true,
+                                         y_fill: true,
+                                         expand: true });
+
+        this._tabs = [];
+        this._activeTab = null;
+
+        this._searchTab = new SearchTab();
+        this._searchArea.set_child(this._searchTab.title);
+        this._addTab(this._searchTab);
+
+        this._searchTab.connect('search-cancelled', Lang.bind(this,
+            function() {
+                this._switchTab(this._activeTab);
+            }));
+
+        Main.overview.connect('item-drag-begin',
+                              Lang.bind(this, this._switchDefaultTab));
+
+        this._stageKeyPressId = 0;
+        Main.overview.connect('showing', Lang.bind(this,
+            function () {
+                this._switchDefaultTab();
+                this._stageKeyPressId = global.stage.connect('key-press-event',
+                                                             Lang.bind(this, this._onStageKeyPress));
+            }));
+        Main.overview.connect('hiding', Lang.bind(this,
+            function () {
+                this._switchDefaultTab();
+                if (this._stageKeyPressId != 0) {
+                    global.stage.disconnect(this._stageKeyPressId);
+                    this._stageKeyPressId = 0;
+                }
+            }));
+
+        // Public constraints which may be used to tie actors' height or
+        // vertical position to the current tab's content; as the content's
+        // height and position depend on the view selector's style properties
+        // (e.g. font size, padding, spacing, ...) it would be extremely hard
+        // and ugly to get these from the outside. While it would be possible
+        // to use position and height properties directly, outside code would
+        // need to ensure that the content is properly allocated before
+        // accessing the properties.
+        this.constrainY = new Clutter.BindConstraint({ source: this._pageArea,
+                                                       coordinate: Clutter.BindCoordinate.Y });
+        this.constrainHeight = new Clutter.BindConstraint({ source: this._pageArea,
+                                                            coordinate: Clutter.BindCoordinate.HEIGHT });
+    },
+
+    _addTab: function(tab) {
+        tab.page.hide();
+        this._pageArea.add_actor(tab.page);
+        tab.connect('activated', Lang.bind(this, function(tab) {
+            this._switchTab(tab);
+        }));
+    },
+
+    addViewTab: function(id, title, pageActor, a11yIcon) {
+        let viewTab = new ViewTab(id, title, pageActor, a11yIcon);
+        this._tabs.push(viewTab);
+        this._tabBox.add(viewTab.title);
+        this._addTab(viewTab);
+    },
+
+    _switchTab: function(tab) {
+        let firstSwitch = this._activeTab == null;
+
+        if (this._activeTab && this._activeTab.visible) {
+            if (this._activeTab == tab)
+                return;
+            this._activeTab.title.remove_style_pseudo_class('selected');
+            this._activeTab.hide();
+        }
+
+        if (tab != this._searchTab) {
+            tab.title.add_style_pseudo_class('selected');
+            this._activeTab = tab;
+            if (this._searchTab.visible) {
+                this._searchTab.hide();
+            }
+        }
+
+        // Only fade when switching between tabs,
+        // not when setting the initially selected one.
+        if (!tab.visible)
+            tab.show(!firstSwitch);
+
+        // Pull a Meg Ryan:
+        if (!firstSwitch && Main.overview.workspaces) {
+            if (tab != this._tabs[0]) {
+                Tweener.addTween(Main.overview.workspaces.actor,
+                                 { opacity: 0,
+                                   time: 0.1,
+                                   transition: 'easeOutQuad',
+                                   onComplete: Lang.bind(this,
+                                       function() {
+                                           Main.overview.workspaces.actor.hide();
+                                           Main.overview.workspaces.actor.opacity = 255;
+                                       })
+                                });
+            } else {
+                Main.overview.workspaces.actor.opacity = 0;
+                Main.overview.workspaces.actor.show();
+                Tweener.addTween(Main.overview.workspaces.actor,
+                                 { opacity: 255,
+                                   time: 0.1,
+                                   transition: 'easeOutQuad' });
+            }
+        }
+    },
+
+    switchTab: function(id) {
+        for (let i = 0; i < this._tabs.length; i++)
+            if (this._tabs[i].id == id) {
+                this._switchTab(this._tabs[i]);
+                break;
+            }
+    },
+
+    _switchDefaultTab: function() {
+        if (this._tabs.length > 0)
+            this._switchTab(this._tabs[0]);
+    },
+
+    _nextTab: function() {
+        if (this._tabs.length == 0 ||
+            this._tabs[this._tabs.length - 1] == this._activeTab)
+            return;
+
+        for (let i = 0; i < this._tabs.length; i++)
+            if (this._tabs[i] == this._activeTab) {
+                this._switchTab(this._tabs[i + 1]);
+                return;
+            }
+    },
+
+    _prevTab: function() {
+        if (this._tabs.length == 0 || this._tabs[0] == this._activeTab)
+            return;
+
+        for (let i = 0; i < this._tabs.length; i++)
+            if (this._tabs[i] == this._activeTab) {
+                this._switchTab(this._tabs[i - 1]);
+                return;
+            }
+    },
+
+    _getPreferredTabBarWidth: function(box, forHeight, alloc) {
+        let children = box.get_children();
+        for (let i = 0; i < children.length; i++) {
+            let [childMin, childNat] = children[i].get_preferred_width(forHeight);
+            alloc.min_size += childMin;
+            alloc.natural_size += childNat;
+        }
+    },
+
+    _getPreferredTabBarHeight: function(box, forWidth, alloc) {
+        let children = box.get_children();
+        for (let i = 0; i < children.length; i++) {
+            let [childMin, childNatural] = children[i].get_preferred_height(forWidth);
+            if (childMin > alloc.min_size)
+                alloc.min_size = childMin;
+            if (childNatural > alloc.natural_size)
+                alloc.natural_size = childNatural;
+        }
+    },
+
+    _allocateTabBar: function(container, box, flags) {
+        let allocWidth = box.x2 - box.x1;
+        let allocHeight = box.y2 - box.y1;
+
+        let [searchMinWidth, searchNatWidth] = this._searchArea.get_preferred_width(-1);
+        let [barMinWidth, barNatWidth] = this._tabBox.get_preferred_width(-1);
+        let childBox = new Clutter.ActorBox();
+        childBox.y1 = 0;
+        childBox.y2 = allocHeight;
+        if (this.actor.get_direction() == St.TextDirection.RTL) {
+            childBox.x1 = allocWidth - barNatWidth;
+            childBox.x2 = allocWidth;
+        } else {
+            childBox.x1 = 0;
+            childBox.x2 = barNatWidth;
+        }
+        this._tabBox.allocate(childBox, flags);
+
+        if (this.actor.get_direction() == St.TextDirection.RTL) {
+            childBox.x1 = 0;
+            childBox.x2 = searchNatWidth;
+        } else {
+            childBox.x1 = allocWidth - searchNatWidth;
+            childBox.x2 = allocWidth;
+        }
+        this._searchArea.allocate(childBox, flags);
+
+        Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this,
+            function() {
+                this.constrainY.offset = this.actor.y;
+            }));
+    },
+
+    _onStageKeyPress: function(actor, event) {
+        let modifiers = Shell.get_event_state(event);
+        let symbol = event.get_key_symbol();
+
+        if (symbol == Clutter.Escape) {
+            Main.overview.hide();
+            return true;
+        } else if (modifiers & Clutter.ModifierType.CONTROL_MASK) {
+            if (symbol == Clutter.Page_Up) {
+                if (!this._searchTab.active)
+                    this._prevTab();
+                return true;
+            } else if (symbol == Clutter.Page_Down) {
+                if (!this._searchTab.active)
+                    this._nextTab();
+                return true;
+            }
+        } else if (Clutter.keysym_to_unicode(symbol)) {
+            this._searchTab.startSearch(event);
+        }
+        return false;
+    },
+
+    addSearchProvider: function(provider) {
+        this._searchTab.addSearchProvider(provider);
+    }
+};
+Signals.addSignalMethods(ViewSelector.prototype);
--- a/js/ui/windowAttentionHandler.js
+++ b/js/ui/windowAttentionHandler.js
@ -15,12 +15,11 @@ function WindowAttentionHandler() {
 WindowAttentionHandler.prototype = {
    _init : function() {
        this._startupIds = {};
-        this._sources = {};
+        this._tracker = Shell.WindowTracker.get_default();
+        this._tracker.connect('startup-sequence-changed', Lang.bind(this, this._onStartupSequenceChanged));

        let display = global.screen.get_display();
        display.connect('window-demands-attention', Lang.bind(this, this._onWindowDemandsAttention));
-        let tracker = Shell.WindowTracker.get_default();
-        tracker.connect('startup-sequence-changed', Lang.bind(this, this._onStartupSequenceChanged));
    },

    _onStartupSequenceChanged : function(tracker) {
@ -57,29 +56,16 @@ WindowAttentionHandler.prototype = {
        if (!window || window.has_focus() || window.is_skip_taskbar())
            return;

-        let tracker = Shell.WindowTracker.get_default();
-        let app = tracker.get_window_app(window);
-        let appId = app.get_id();
-
-        let source = this._sources[appId];
-        if (source == null) {
-            source = new Source(app, window);
-            this._sources[appId] = source;
-            Main.messageTray.add(source);
-            source.connect('clicked', Lang.bind(this, function() { source.destroy(); }));
-            source.connect('destroy', Lang.bind(this, function() { delete this._sources[appId]; }));
-        }
+        let app = this._tracker.get_window_app(window);
+        let source = new Source(app, window);
+        Main.messageTray.add(source);

        let notification = new MessageTray.Notification(source, this._getTitle(app, window), this._getBanner(app, window));
        source.notify(notification);

-        window.connect('notify::title', Lang.bind(this, function(win) {
-                                                            notification.update(this._getTitle(app, win), this._getBanner(app, win));
-                                                        }));
-        window.connect('notify::demands-attention', Lang.bind(this, function() { source.destroy(); }));
-        window.connect('focus', Lang.bind(this, function() { source.destroy(); }));
-        window.connect('unmanaged', Lang.bind(this, function() { source.destroy(); }));
-
+        source.signalIDs.push(window.connect('notify::title', Lang.bind(this, function(win) {
+                                    notification.update(this._getTitle(app, win), this._getBanner(app, win));
+                              })));
    }
 };

@ -95,15 +81,28 @@ Source.prototype = {
        this._window = window;
        this._app = app;
        this._setSummaryIcon(this.createNotificationIcon());
+
+        this.signalIDs = [];
+        this.signalIDs.push(this._window.connect('notify::demands-attention', Lang.bind(this, function() { this.destroy(); })));
+        this.signalIDs.push(this._window.connect('focus', Lang.bind(this, function() { this.destroy(); })));
+        this.signalIDs.push(this._window.connect('unmanaged', Lang.bind(this, function() { this.destroy(); })));
+
+        this.connect('destroy', Lang.bind(this, this._onDestroy));
+    },
+
+    _onDestroy : function() {
+        for(let i = 0; i < this.signalIDs.length; i++) {
+           this._window.disconnect(this.signalIDs[i]);
+        }
+        this.signalIDs = [];
    },

    createNotificationIcon : function() {
        return this._app.create_icon_texture(this.ICON_SIZE);
    },

-    clicked : function() {
+    open : function(notification) {
        Main.activateWindow(this._window);
-        MessageTray.Source.prototype.clicked.call(this);
+        this.destroy();
    }
-
 };
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@ -93,6 +93,8 @@ WindowManager.prototype = {

        this._dimmedWindows = [];

+        this._animationBlockCount = 0;
+
        this._switchData = null;
        this._shellwm.connect('kill-switch-workspace', Lang.bind(this, this._switchWorkspaceDone));
        this._shellwm.connect('kill-window-effects', Lang.bind(this, function (shellwm, actor) {
@ -116,14 +118,16 @@ WindowManager.prototype = {
        this.setKeybindingHandler('switch_to_workspace_up', Lang.bind(this, this._showWorkspaceSwitcher));
        this.setKeybindingHandler('switch_to_workspace_down', Lang.bind(this, this._showWorkspaceSwitcher));
        this.setKeybindingHandler('switch_windows', Lang.bind(this, this._startAppSwitcher));
+        this.setKeybindingHandler('switch_group', Lang.bind(this, this._startAppSwitcher));
+        this.setKeybindingHandler('switch_panels', Lang.bind(this, this._startA11ySwitcher));

        Main.overview.connect('showing', Lang.bind(this, function() {
            for (let i = 0; i < this._dimmedWindows.length; i++)
-                this._undimParentWindow(this._dimmedWindows[i], true);
+                this._undimWindow(this._dimmedWindows[i], true);
        }));
        Main.overview.connect('hiding', Lang.bind(this, function() {
            for (let i = 0; i < this._dimmedWindows.length; i++)
-                this._dimParentWindow(this._dimmedWindows[i], true);
+                this._dimWindow(this._dimmedWindows[i], true);
        }));
    },

@ -137,8 +141,16 @@ WindowManager.prototype = {
            this._shellwm.connect('keybinding::' + keybinding, handler);
    },

+    blockAnimations: function() {
+        this._animationBlockCount++;
+    },
+
+    unblockAnimations: function() {
+        this._animationBlockCount = Math.max(0, this._animationBlockCount - 1);
+    },
+
    _shouldAnimate : function(actor) {
-        if (Main.overview.visible)
+        if (Main.overview.visible || this._animationsBlocked > 0)
            return false;
        if (actor && (actor.meta_window.get_window_type() != Meta.WindowType.NORMAL))
            return false;
@ -222,41 +234,39 @@ WindowManager.prototype = {
    _unmaximizeWindowDone : function(shellwm, actor) {
    },

-    _parentHasOtherAttachedDialog: function(parent, self) {
+    _hasAttachedDialogs: function(window, ignoreWindow) {
        var count = 0;
-        parent.foreach_transient(function(win) {
-            if (win.get_window_type() == Meta.WindowType.MODAL_DIALOG && win != self)
+        window.foreach_transient(function(win) {
+            if (win != ignoreWindow && win.get_window_type() == Meta.WindowType.MODAL_DIALOG)
                count++;
            return false;
        });
        return count != 0;
    },

-    _markParentWindowAsDimmable: function(actor, animate) {
-        if (Meta.prefs_get_attach_modal_dialogs()) {
-            this._dimmedWindows.push(actor);
-            if (this._shouldAnimate())
-                this._dimParentWindow(actor, animate);
+    _checkDimming: function(window, ignoreWindow) {
+        let shouldDim = Meta.prefs_get_attach_modal_dialogs() && this._hasAttachedDialogs(window, ignoreWindow);
+
+        if (shouldDim && !window._dimmed) {
+            window._dimmed = true;
+            this._dimmedWindows.push(window);
+            if (!Main.overview.visible)
+                this._dimWindow(window, true);
+        } else if (!shouldDim && window._dimmed) {
+            window._dimmed = false;
+            this._dimmedWindows = this._dimmedWindows.filter(function(win) {
+                                                                 return win != window;
+                                                             });
+            if (!Main.overview.visible)
+                this._undimWindow(window, true);
        }
    },

-    _unmarkParentWindowAsDimmable: function(actor, animate) {
-        if (!Main.overview.visible)
-            this._undimParentWindow(actor, true);
-        this._dimmedWindows = this._dimmedWindows.filter(function(win) {
-            return win != actor;
-        });
-    },
-
-    _dimParentWindow: function(actor, animate) {
-        let meta = actor.get_meta_window();
-        let parent = meta.get_transient_for();
-        if (!parent)
+    _dimWindow: function(window, animate) {
+        let actor = window.get_compositor_private();
+        if (!actor)
            return;
-        let parentActor = parent.get_compositor_private();
-        if (!parentActor || this._parentHasOtherAttachedDialog(parent, meta))
-            return;
-        let texture = parentActor.get_texture();
+        let texture = actor.get_texture();
        if (animate)
            Tweener.addTween(getWindowDimmer(texture),
                             { dimFraction: 1.0,
@ -267,15 +277,11 @@ WindowManager.prototype = {
            getWindowDimmer(texture).dimFraction = 1.0;
    },

-    _undimParentWindow: function(actor, animate) {
-        let meta = actor.get_meta_window();
-        let parent = meta.get_transient_for();
-        if (!parent)
+    _undimWindow: function(window, animate) {
+        let actor = window.get_compositor_private();
+        if (!actor)
            return;
-        let parentActor = parent.get_compositor_private();
-        if (!parentActor || this._parentHasOtherAttachedDialog(parent, meta))
-            return;
-        let texture = parentActor.get_texture();
+        let texture = actor.get_texture();
        if (animate)
            Tweener.addTween(getWindowDimmer(texture),
                             { dimFraction: 0.0,
@ -292,17 +298,19 @@ WindowManager.prototype = {
            let type = actor.meta_window.get_window_type();
            if (type == actor._windowType)
                return;
-            if (type == Meta.WindowType.MODAL_DIALOG)
-                this._markParentWindowAsDimmable(actor, true);
-            else if (actor._windowType == Meta.WindowType.MODAL_DIALOG)
-                this._unmarkParentWindowAsDimmable(actor, true);
+            if (type == Meta.WindowType.MODAL_DIALOG ||
+                actor._windowType == Meta.WindowType.MODAL_DIALOG) {
+                let parent = actor.get_meta_window().get_transient_for();
+                if (parent)
+                    this._checkDimming(parent);
+            }

            actor._windowType = type;
        }));
        if (actor.meta_window.get_window_type() == Meta.WindowType.MODAL_DIALOG
            && Meta.prefs_get_attach_modal_dialogs()
            && actor.get_meta_window().get_transient_for()) {
-            this._markParentWindowAsDimmable(actor, true);
+            this._checkDimming(actor.get_meta_window().get_transient_for());
            if (this._shouldAnimate()) {
                actor.set_scale(1.0, 0.0);
                actor.show();
@ -362,14 +370,20 @@ WindowManager.prototype = {
    },

    _destroyWindow : function(shellwm, actor) {
-        let parent = actor.meta_window.get_transient_for();
+        let window = actor.meta_window;
+        let parent = window.get_transient_for();
        if (actor._notifyWindowTypeSignalId) {
-            actor.meta_window.disconnect(actor._notifyWindowTypeSignalId);
+            window.disconnect(actor._notifyWindowTypeSignalId);
            actor._notifyWindowTypeSignalId = 0;
        }
-        while (actor.meta_window.get_window_type() == Meta.WindowType.MODAL_DIALOG
+        if (window._dimmed) {
+            this._dimmedWindows = this._dimmedWindows.filter(function(win) {
+                                                                 return win != window;
+                                                             });
+        }
+        while (window.get_window_type() == Meta.WindowType.MODAL_DIALOG
               && parent) {
-            this._unmarkParentWindowAsDimmable(actor, true);
+            this._checkDimming(parent, window);
            if (!Meta.prefs_get_attach_modal_dialogs()
                || !this._shouldAnimate())
                break;
@ -415,7 +429,7 @@ WindowManager.prototype = {
            return;
        }

-        let windows = global.get_windows();
+        let windows = global.get_window_actors();

        /* @direction is the direction that the "camera" moves, so the
         * screen contents have to move one screen's worth in the
@ -497,6 +511,8 @@ WindowManager.prototype = {

        for (let i = 0; i < switchData.windows.length; i++) {
                let w = switchData.windows[i];
+                if (w.window.is_destroyed()) // Window gone
+                    continue;
                if (w.window.get_parent() == switchData.outGroup) {
                    w.window.reparent(w.parent);
                    w.window.hide();
@ -518,49 +534,88 @@ WindowManager.prototype = {

        let tabPopup = new AltTab.AltTabPopup();

-        if (!tabPopup.show(backwards))
+        if (!tabPopup.show(backwards, binding == 'switch_group'))
            tabPopup.destroy();
    },

-    _showWorkspaceSwitcher : function(shellwm, binding, window, backwards) {
-        /* We don't support this kind of layout */
-        if (binding == 'switch_to_workspace_up' || binding == 'switch_to_workspace_down')
-            return;
+    _startA11ySwitcher : function(shellwm, binding, window, backwards) {
+        Main.ctrlAltTabManager.popup(backwards);
+    },

+    _showWorkspaceSwitcher : function(shellwm, binding, window, backwards) {
        if (global.screen.n_workspaces == 1)
            return;

        if (this._workspaceSwitcherPopup == null)
            this._workspaceSwitcherPopup = new WorkspaceSwitcherPopup.WorkspaceSwitcherPopup();

-        if (binding == 'switch_to_workspace_left') {
-            this.actionMoveWorkspaceLeft();
-        }
-
-        if (binding == 'switch_to_workspace_right') {
-            this.actionMoveWorkspaceRight();
-        }
+        if (binding == 'switch_to_workspace_up')
+            this.actionMoveWorkspaceUp();
+        else if (binding == 'switch_to_workspace_down')
+            this.actionMoveWorkspaceDown();
+        // left/right would effectively act as synonyms for up/down if we enabled them;
+        // but that could be considered confusing.
+        // else if (binding == 'switch_to_workspace_left')
+        //   this.actionMoveWorkspaceLeft();
+        // else if (binding == 'switch_to_workspace_right')
+        //   this.actionMoveWorkspaceRight();
    },

    actionMoveWorkspaceLeft: function() {
+        let rtl = (St.Widget.get_default_direction() == St.TextDirection.RTL);
        let activeWorkspaceIndex = global.screen.get_active_workspace_index();
-        if (activeWorkspaceIndex > 0) {
-            global.screen.get_workspace_by_index(activeWorkspaceIndex - 1).activate(global.get_current_time());
-            if (!Main.overview.visible)
-                this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.LEFT, activeWorkspaceIndex - 1);
-        } else if (!Main.overview.visible) {
-            this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.LEFT, activeWorkspaceIndex);
-        }
+        let indexToActivate = activeWorkspaceIndex;
+        if (rtl && activeWorkspaceIndex < global.screen.n_workspaces - 1)
+            indexToActivate++;
+        else if (!rtl && activeWorkspaceIndex > 0)
+            indexToActivate--;
+
+        if (indexToActivate != activeWorkspaceIndex)
+            global.screen.get_workspace_by_index(indexToActivate).activate(global.get_current_time());
+
+        if (!Main.overview.visible)
+            this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.UP, indexToActivate);
    },

    actionMoveWorkspaceRight: function() {
+        let rtl = (St.Widget.get_default_direction() == St.TextDirection.RTL);
        let activeWorkspaceIndex = global.screen.get_active_workspace_index();
-        if (activeWorkspaceIndex <  global.screen.n_workspaces - 1) {
-            global.screen.get_workspace_by_index(activeWorkspaceIndex + 1).activate(global.get_current_time());
-            if (!Main.overview.visible)
-                this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.RIGHT, activeWorkspaceIndex + 1);
-        } else if (!Main.overview.visible) {
-            this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.RIGHT, activeWorkspaceIndex);
-        }
+        let indexToActivate = activeWorkspaceIndex;
+        if (rtl && activeWorkspaceIndex > 0)
+            indexToActivate--;
+        else if (!rtl && activeWorkspaceIndex < global.screen.n_workspaces - 1)
+            indexToActivate++;
+
+        if (indexToActivate != activeWorkspaceIndex)
+            global.screen.get_workspace_by_index(indexToActivate).activate(global.get_current_time());
+
+        if (!Main.overview.visible)
+            this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.DOWN, indexToActivate);
+    },
+
+    actionMoveWorkspaceUp: function() {
+        let activeWorkspaceIndex = global.screen.get_active_workspace_index();
+        let indexToActivate = activeWorkspaceIndex;
+        if (activeWorkspaceIndex > 0)
+            indexToActivate--;
+
+        if (indexToActivate != activeWorkspaceIndex)
+            global.screen.get_workspace_by_index(indexToActivate).activate(global.get_current_time());
+
+        if (!Main.overview.visible)
+            this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.UP, indexToActivate);
+    },
+
+    actionMoveWorkspaceDown: function() {
+        let activeWorkspaceIndex = global.screen.get_active_workspace_index();
+        let indexToActivate = activeWorkspaceIndex;
+        if (activeWorkspaceIndex < global.screen.n_workspaces - 1)
+            indexToActivate++;
+
+        if (indexToActivate != activeWorkspaceIndex)
+            global.screen.get_workspace_by_index(indexToActivate).activate(global.get_current_time());
+
+        if (!Main.overview.visible)
+            this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.DOWN, indexToActivate);
    }
 };
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
--- a/js/ui/workspaceSwitcherPopup.js
+++ b/js/ui/workspaceSwitcherPopup.js
@ -12,8 +12,8 @@ const Tweener = imports.ui.tweener;
 const ANIMATION_TIME = 0.1;
 const DISPLAY_TIMEOUT = 600;

-const LEFT = -1;
-const RIGHT = 1;
+const UP = -1;
+const DOWN = 1;

 function WorkspaceSwitcherPopup() {
    this._init();
@ -32,9 +32,10 @@ WorkspaceSwitcherPopup.prototype = {
        this._container = new St.BoxLayout({ style_class: 'workspace-switcher-container' });
        this._list = new Shell.GenericContainer({ style_class: 'workspace-switcher' });
        this._itemSpacing = 0;
+        this._childHeight = 0;
+        this._childWidth = 0;
        this._list.connect('style-changed', Lang.bind(this, function() {
-                                                        let [found, spacing] = this._list.get_theme_node().get_length('spacing', false);
-                                                        this._itemSpacing = (found) ? spacing : 0;
+                                                        this._itemSpacing = this._list.get_theme_node().get_length('spacing');
                                                     }));

        this._list.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
@ -48,57 +49,59 @@ WorkspaceSwitcherPopup.prototype = {

        this._position();

-        this.actor.show();
+        this.actor.hide();
+
        this._timeoutId = Mainloop.timeout_add(DISPLAY_TIMEOUT, Lang.bind(this, this._onTimeout));
    },

-    _getPreferredWidth : function (actor, forHeight, alloc) {
+    _getPreferredHeight : function (actor, forWidth, alloc) {
        let children = this._list.get_children();
        let primary = global.get_primary_monitor();

-        let availwidth = primary.width;
-        availwidth -= this.actor.get_theme_node().get_horizontal_padding();
-        availwidth -= this._container.get_theme_node().get_horizontal_padding();
-        availwidth -= this._list.get_theme_node().get_horizontal_padding();
+        let availHeight = primary.height;
+        availHeight -= Main.panel.actor.height;
+        availHeight -= this.actor.get_theme_node().get_vertical_padding();
+        availHeight -= this._container.get_theme_node().get_vertical_padding();
+        availHeight -= this._list.get_theme_node().get_vertical_padding();

-        let width = 0;
+        let height = 0;
        for (let i = 0; i < children.length; i++) {
-            let [childMinWidth, childNaturalWidth] = children[i].get_preferred_width(-1);
-            let [childMinHeight, childNaturalHeight] = children[i].get_preferred_height(childNaturalWidth);
-            width += childNaturalHeight * primary.width / primary.height;
+            let [childMinHeight, childNaturalHeight] = children[i].get_preferred_height(-1);
+            let [childMinWidth, childNaturalWidth] = children[i].get_preferred_width(childNaturalHeight);
+            height += childNaturalHeight * primary.width / primary.height;
        }

        let spacing = this._itemSpacing * (global.screen.n_workspaces - 1);
-        width += spacing;
-        width = Math.min(width, availwidth);
+        height += spacing;
+        height = Math.min(height, availHeight);

-        this._childWidth = (width - spacing) / global.screen.n_workspaces;
+        this._childHeight = (height - spacing) / global.screen.n_workspaces;

-        alloc.min_size = width;
-        alloc.natural_size = width;
+        alloc.min_size = height;
+        alloc.natural_size = height;
    },

-    _getPreferredHeight : function (actor, forWidth, alloc) {
+    _getPreferredWidth : function (actor, forHeight, alloc) {
        let primary = global.get_primary_monitor();
-        this._childHeight = Math.round(this._childWidth * primary.height / primary.width);
+        this._childWidth = Math.round(this._childHeight * primary.width / primary.height);

-        alloc.min_size = this._childHeight;
-        alloc.natural_size = this._childHeight;
+        alloc.min_size = this._childWidth;
+        alloc.natural_size = this._childWidth;
    },

    _allocate : function (actor, box, flags) {
        let children = this._list.get_children();
        let childBox = new Clutter.ActorBox();

-        let x = box.x1;
-        let prevChildBoxX2 = box.x1 - this._itemSpacing;
+        let y = box.y1;
+        let prevChildBoxY2 = box.y1 - this._itemSpacing;
        for (let i = 0; i < children.length; i++) {
-            childBox.x1 = prevChildBoxX2 + this._itemSpacing;
-            childBox.x2 = Math.round(x + this._childWidth);
-            childBox.y1 = box.y1;
-            childBox.y2 = box.y1 + this._childHeight;
-            x += this._childWidth + this._itemSpacing;
-            prevChildBoxX2 = childBox.x2;
+            childBox.x1 = box.x1;
+            childBox.x2 = box.x1 + this._childWidth;
+            childBox.y1 = prevChildBoxY2 + this._itemSpacing;
+            childBox.y2 = Math.round(y + this._childHeight);
+            y += this._childHeight + this._itemSpacing;
+            prevChildBoxY2 = childBox.y2;
            children[i].allocate(childBox, flags);
        }
    },
@ -109,10 +112,10 @@ WorkspaceSwitcherPopup.prototype = {
        for (let i = 0; i < global.screen.n_workspaces; i++) {
            let indicator = null;

-           if (i == activeWorkspaceIndex && direction == LEFT)
-               indicator = new St.Bin({ style_class: 'ws-switcher-active-left' });
-           else if(i == activeWorkspaceIndex && direction == RIGHT)
-               indicator = new St.Bin({ style_class: 'ws-switcher-active-right' });
+           if (i == activeWorkspaceIndex && direction == UP)
+               indicator = new St.Bin({ style_class: 'ws-switcher-active-up' });
+           else if(i == activeWorkspaceIndex && direction == DOWN)
+               indicator = new St.Bin({ style_class: 'ws-switcher-active-down' });
           else
               indicator = new St.Bin({ style_class: 'ws-switcher-box' });

@ -124,7 +127,8 @@ WorkspaceSwitcherPopup.prototype = {
    _position: function() {
        let primary = global.get_primary_monitor();
        this._container.x = primary.x + Math.floor((primary.width - this._container.width) / 2);
-        this._container.y = primary.y + Math.floor((primary.height - this._container.height) / 2);
+        this._container.y = primary.y + Main.panel.actor.height +
+                            Math.floor(((primary.height - Main.panel.actor.height) - this._container.height) / 2);
    },

    _show : function() {
--- a/js/ui/workspaceThumbnail.js
+++ b/js/ui/workspaceThumbnail.js
@ -0,0 +1,885 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const Lang = imports.lang;
+const Mainloop = imports.mainloop;
+const Meta = imports.gi.Meta;
+const Shell = imports.gi.Shell;
+const Signals = imports.signals;
+const St = imports.gi.St;
+
+const DND = imports.ui.dnd;
+const Main = imports.ui.main;
+const Tweener = imports.ui.tweener;
+const Workspace = imports.ui.workspace;
+const WorkspacesView = imports.ui.workspacesView;
+
+// The maximum size of a thumbnail is 1/8 the width and height of the screen
+let MAX_THUMBNAIL_SCALE = 1/8.;
+
+const RESCALE_ANIMATION_TIME = 0.2;
+const SLIDE_ANIMATION_TIME = 0.2;
+
+function WindowClone(realWindow) {
+    this._init(realWindow);
+}
+
+WindowClone.prototype = {
+    _init : function(realWindow) {
+        this.actor = new Clutter.Clone({ source: realWindow.get_texture(),
+                                         reactive: true });
+        this.actor._delegate = this;
+        this.realWindow = realWindow;
+        this.metaWindow = realWindow.meta_window;
+
+        this._positionChangedId = this.realWindow.connect('position-changed',
+                                                          Lang.bind(this, this._onPositionChanged));
+        this._realWindowDestroyedId = this.realWindow.connect('destroy',
+                                                              Lang.bind(this, this._disconnectRealWindowSignals));
+        this._onPositionChanged();
+
+        this.actor.connect('button-release-event',
+                           Lang.bind(this, this._onButtonRelease));
+
+        this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
+
+        this._draggable = DND.makeDraggable(this.actor,
+                                            { restoreOnSuccess: true,
+                                              dragActorMaxSize: Workspace.WINDOW_DND_SIZE,
+                                              dragActorOpacity: Workspace.DRAGGING_WINDOW_OPACITY });
+        this._draggable.connect('drag-begin', Lang.bind(this, this._onDragBegin));
+        this._draggable.connect('drag-end', Lang.bind(this, this._onDragEnd));
+        this.inDrag = false;
+    },
+
+    setStackAbove: function (actor) {
+        this._stackAbove = actor;
+        if (this._stackAbove == null)
+            this.actor.lower_bottom();
+        else
+            this.actor.raise(this._stackAbove);
+    },
+
+    destroy: function () {
+        this.actor.destroy();
+    },
+
+    _onPositionChanged: function() {
+        let rect = this.metaWindow.get_outer_rect();
+        this.actor.set_position(this.realWindow.x, this.realWindow.y);
+    },
+
+    _disconnectRealWindowSignals: function() {
+        if (this._positionChangedId != 0) {
+            this.realWindow.disconnect(this._positionChangedId);
+            this._positionChangedId = 0;
+        }
+
+        if (this._realWindowDestroyedId != 0) {
+            this.realWindow.disconnect(this._realWindowDestroyedId);
+            this._realWindowDestroyedId = 0;
+        }
+    },
+
+    _onDestroy: function() {
+        this._disconnectRealWindowSignals();
+
+        this.actor._delegate = null;
+
+        if (this.inDrag) {
+            this.emit('drag-end');
+            this.inDrag = false;
+        }
+
+        this.disconnectAll();
+    },
+
+    _onButtonRelease : function (actor, event) {
+        this.emit('selected', event.get_time());
+
+        return true;
+    },
+
+    _onDragBegin : function (draggable, time) {
+        this.inDrag = true;
+        this.emit('drag-begin');
+    },
+
+    _onDragEnd : function (draggable, time, snapback) {
+        this.inDrag = false;
+
+        // We may not have a parent if DnD completed successfully, in
+        // which case our clone will shortly be destroyed and replaced
+        // with a new one on the target workspace.
+        if (this.actor.get_parent() != null) {
+            if (this._stackAbove == null)
+                this.actor.lower_bottom();
+            else
+                this.actor.raise(this._stackAbove);
+        }
+
+
+        this.emit('drag-end');
+    }
+};
+Signals.addSignalMethods(WindowClone.prototype);
+
+
+const ThumbnailState = {
+    NEW   :         0,
+    ANIMATING_IN :  1,
+    NORMAL:         2,
+    REMOVING :      3,
+    ANIMATING_OUT : 4,
+    ANIMATED_OUT :  5,
+    COLLAPSING :    6,
+    DESTROYED :     7
+};
+
+/**
+ * @metaWorkspace: a #Meta.Workspace
+ */
+function WorkspaceThumbnail(metaWorkspace) {
+    this._init(metaWorkspace);
+}
+
+WorkspaceThumbnail.prototype = {
+    _init : function(metaWorkspace) {
+        this.metaWorkspace = metaWorkspace;
+        this.monitorIndex = global.get_primary_monitor_index();
+
+        this.actor = new St.Group({ reactive: true,
+                                    clip_to_allocation: true,
+                                    style_class: 'workspace-thumbnail' });
+        this.actor._delegate = this;
+
+        this._contents = new Clutter.Group();
+        this.actor.add_actor(this._contents);
+
+        this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
+        this.actor.connect('button-press-event', Lang.bind(this,
+            function(actor, event) {
+                return true;
+            }));
+        this.actor.connect('button-release-event', Lang.bind(this,
+            function(actor, event) {
+                this._activate();
+                return true;
+            }));
+
+        this._background = new Clutter.Clone({ source: global.background_actor });
+        this._contents.add_actor(this._background);
+
+        let monitor = global.get_primary_monitor();
+        this.setPorthole(monitor.x, monitor.y, monitor.width, monitor.height);
+
+        let windows = global.get_window_actors().filter(this._isMyWindow, this);
+
+        // Create clones for windows that should be visible in the Overview
+        this._windows = [];
+        for (let i = 0; i < windows.length; i++) {
+            if (this._isOverviewWindow(windows[i])) {
+                this._addWindowClone(windows[i]);
+            }
+        }
+
+        // Track window changes
+        this._windowAddedId = this.metaWorkspace.connect('window-added',
+                                                          Lang.bind(this, this._windowAdded));
+        this._windowRemovedId = this.metaWorkspace.connect('window-removed',
+                                                           Lang.bind(this, this._windowRemoved));
+        this._windowEnteredMonitorId = global.screen.connect('window-entered-monitor',
+                                                           Lang.bind(this, this._windowEnteredMonitor));
+        this._windowLeftMonitorId = global.screen.connect('window-left-monitor',
+                                                           Lang.bind(this, this._windowLeftMonitor));
+
+        this.state = ThumbnailState.NORMAL;
+        this._slidePosition = 0; // Fully slid in
+        this._collapseFraction = 0; // Not collapsed
+    },
+
+    setPorthole: function(x, y, width, height) {
+        this._portholeX = x;
+        this._portholeY = y;
+        this.actor.set_size(width, height);
+        this._contents.set_position(-x, -y);
+    },
+
+    _lookupIndex: function (metaWindow) {
+        for (let i = 0; i < this._windows.length; i++) {
+            if (this._windows[i].metaWindow == metaWindow) {
+                return i;
+            }
+        }
+        return -1;
+    },
+
+    syncStacking: function(stackIndices) {
+        this._windows.sort(function (a, b) { return stackIndices[a.metaWindow.get_stable_sequence()] - stackIndices[b.metaWindow.get_stable_sequence()]; });
+
+        for (let i = 0; i < this._windows.length; i++) {
+            let clone = this._windows[i];
+            let metaWindow = clone.metaWindow;
+            if (i == 0) {
+                clone.setStackAbove(this._background);
+            } else {
+                let previousClone = this._windows[i - 1];
+                clone.setStackAbove(previousClone.actor);
+            }
+        }
+    },
+
+    set slidePosition(slidePosition) {
+        this._slidePosition = slidePosition;
+        this.actor.queue_relayout();
+    },
+
+    get slidePosition() {
+        return this._slidePosition;
+    },
+
+    set collapseFraction(collapseFraction) {
+        this._collapseFraction = collapseFraction;
+        this.actor.queue_relayout();
+    },
+
+    get collapseFraction() {
+        return this._collapseFraction;
+    },
+
+    _doRemoveWindow : function(metaWin) {
+        let win = metaWin.get_compositor_private();
+
+        // find the position of the window in our list
+        let index = this._lookupIndex (metaWin);
+
+        if (index == -1)
+            return;
+
+        // Check if window still should be here
+        if (win && this._isMyWindow(win))
+            return;
+
+        let clone = this._windows[index];
+        this._windows.splice(index, 1);
+        clone.destroy();
+    },
+
+    _doAddWindow : function(metaWin) {
+        if (this.leavingOverview)
+            return;
+
+        let win = metaWin.get_compositor_private();
+
+        if (!win) {
+            // Newly-created windows are added to a workspace before
+            // the compositor finds out about them...
+            Mainloop.idle_add(Lang.bind(this,
+                                        function () {
+                                            if (this.actor && metaWin.get_compositor_private())
+                                                this._doAddWindow(metaWin);
+                                            return false;
+                                        }));
+            return;
+        }
+
+        // We might have the window in our list already if it was on all workspaces and
+        // now was moved to this workspace
+        if (this._lookupIndex (metaWin) != -1)
+            return;
+
+        if (!this._isMyWindow(win) || !this._isOverviewWindow(win))
+            return;
+
+        let clone = this._addWindowClone(win);
+    },
+
+    _windowAdded : function(metaWorkspace, metaWin) {
+        this._doAddWindow(metaWin);
+    },
+
+    _windowRemoved : function(metaWorkspace, metaWin) {
+        this._doRemoveWindow(metaWin);
+    },
+
+    _windowEnteredMonitor : function(metaScreen, monitorIndex, metaWin) {
+        if (monitorIndex == this.monitorIndex) {
+            this._doAddWindow(metaWin);
+        }
+    },
+
+    _windowLeftMonitor : function(metaScreen, monitorIndex, metaWin) {
+        if (monitorIndex == this.monitorIndex) {
+            this._doRemoveWindow(metaWin);
+        }
+    },
+
+    destroy : function() {
+        this.actor.destroy();
+    },
+
+    _onDestroy: function(actor) {
+        this.metaWorkspace.disconnect(this._windowAddedId);
+        this.metaWorkspace.disconnect(this._windowRemovedId);
+        global.screen.disconnect(this._windowEnteredMonitorId);
+        global.screen.disconnect(this._windowLeftMonitorId);
+
+        this._windows = [];
+        this.actor = null;
+    },
+
+    // Tests if @win belongs to this workspace and monitor
+    _isMyWindow : function (win) {
+        return Main.isWindowActorDisplayedOnWorkspace(win, this.metaWorkspace.index()) &&
+            (!win.get_meta_window() || win.get_meta_window().get_monitor() == this.monitorIndex);
+    },
+
+    // Tests if @win should be shown in the Overview
+    _isOverviewWindow : function (win) {
+        let tracker = Shell.WindowTracker.get_default();
+        return tracker.is_window_interesting(win.get_meta_window());
+    },
+
+    // Create a clone of a (non-desktop) window and add it to the window list
+    _addWindowClone : function(win) {
+        let clone = new WindowClone(win);
+
+        clone.connect('selected',
+                      Lang.bind(this, this._activate));
+        clone.connect('drag-begin',
+                      Lang.bind(this, function(clone) {
+                          Main.overview.beginWindowDrag();
+                      }));
+        clone.connect('drag-end',
+                      Lang.bind(this, function(clone) {
+                          Main.overview.endWindowDrag();
+                      }));
+        this._contents.add_actor(clone.actor);
+
+        if (this._windows.length == 0)
+            clone.setStackAbove(this._background);
+        else
+            clone.setStackAbove(this._windows[this._windows.length - 1].actor);
+
+        this._windows.push(clone);
+
+        return clone;
+    },
+
+    _activate : function (clone, time) {
+        if (this.state > ThumbnailState.NORMAL)
+            return;
+
+        // a click on the already current workspace should go back to the main view
+        if (this.metaWorkspace == global.screen.get_active_workspace())
+            Main.overview.hide();
+        else
+            this.metaWorkspace.activate(time);
+    },
+
+    // Draggable target interface
+    handleDragOver : function(source, actor, x, y, time) {
+        if (source == Main.xdndHandler) {
+            this.metaWorkspace.activate(time);
+            return DND.DragMotionResult.CONTINUE;
+        }
+
+        if (this.state > ThumbnailState.NORMAL)
+            return DND.DragMotionResult.CONTINUE;
+
+        if (source.realWindow && !this._isMyWindow(source.realWindow))
+            return DND.DragMotionResult.MOVE_DROP;
+        if (source.shellWorkspaceLaunch)
+            return DND.DragMotionResult.COPY_DROP;
+
+        return DND.DragMotionResult.CONTINUE;
+    },
+
+    acceptDrop : function(source, actor, x, y, time) {
+        if (this.state > ThumbnailState.NORMAL)
+            return false;
+
+        if (source.realWindow) {
+            let win = source.realWindow;
+            if (this._isMyWindow(win))
+                return false;
+
+            let metaWindow = win.get_meta_window();
+
+            // We need to move the window before changing the workspace, because
+            // the move itself could cause a workspace change if the window enters
+            // the primary monitor
+            if (metaWindow.get_monitor() != this.monitorIndex)
+                metaWindow.move_to_monitor(this.monitorIndex);
+
+            metaWindow.change_workspace_by_index(this.metaWorkspace.index(),
+                                                 false, // don't create workspace
+                                                 time);
+            return true;
+        } else if (source.shellWorkspaceLaunch) {
+            source.shellWorkspaceLaunch({ workspace: this.metaWorkspace,
+                                          timestamp: time });
+            return true;
+        }
+
+        return false;
+    }
+};
+
+Signals.addSignalMethods(WorkspaceThumbnail.prototype);
+
+
+function ThumbnailsBox() {
+    this._init();
+}
+
+ThumbnailsBox.prototype = {
+    _init: function() {
+        this.actor = new Shell.GenericContainer({ style_class: 'workspace-thumbnails',
+                                                  request_mode: Clutter.RequestMode.WIDTH_FOR_HEIGHT });
+        this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
+        this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
+        this.actor.connect('allocate', Lang.bind(this, this._allocate));
+
+        // When we animate the scale, we don't animate the requested size of the thumbnails, rather
+        // we ask for our final size and then animate within that size. This slightly simplifies the
+        // interaction with the main workspace windows (instead of constantly reallocating them
+        // to a new size, they get a new size once, then use the standard window animation code
+        // allocate the windows to their new positions), however it causes problems for drawing
+        // the background and border wrapped around the thumbnail as we animate - we can't just pack
+        // the container into a box and set style properties on the box since that box would wrap
+        // around the final size not the animating size. So instead we fake the background with
+        // an actor underneath the content and adjust the allocation of our children to leave space
+        // for the border and padding of the background actor.
+        this._background = new St.Bin({ style_class: 'workspace-thumbnails-background' });
+
+        this.actor.add_actor(this._background);
+
+        let indicator = new St.Bin({ style_class: 'workspace-thumbnail-indicator' });
+
+        // We don't want the indicator to affect drag-and-drop
+        Shell.util_set_hidden_from_pick(indicator, true);
+
+        this._indicator = indicator;
+        this.actor.add_actor(indicator);
+
+        this._targetScale = 0;
+        this._scale = 0;
+        this._pendingScaleUpdate = false;
+        this._stateUpdateQueued = false;
+        this._animatingIndicator = false;
+        this._indicatorY = 0; // only used when _animatingIndicator is true
+
+        this._stateCounts = {};
+        for (let key in ThumbnailState)
+            this._stateCounts[ThumbnailState[key]] = 0;
+
+        this._thumbnails = [];
+    },
+
+    show: function() {
+        this._switchWorkspaceNotifyId =
+            global.window_manager.connect('switch-workspace',
+                                          Lang.bind(this, this._activeWorkspaceChanged));
+
+        this._targetScale = 0;
+        this._scale = 0;
+        this._pendingScaleUpdate = false;
+        this._stateUpdateQueued = false;
+
+        this._stateCounts = {};
+        for (let key in ThumbnailState)
+            this._stateCounts[ThumbnailState[key]] = 0;
+
+        // The "porthole" is the portion of the screen that we show in the workspaces
+        let panelHeight = Main.panel.actor.height;
+        let monitor = global.get_primary_monitor();
+        this._porthole = {
+            x: monitor.x,
+            y: monitor.y + panelHeight,
+            width: monitor.width,
+            height: monitor.height - panelHeight
+        };
+
+        this.addThumbnails(0, global.screen.n_workspaces);
+    },
+
+    hide: function() {
+        if (this._switchWorkspaceNotifyId > 0) {
+            global.window_manager.disconnect(this._switchWorkspaceNotifyId);
+            this._switchWorkspaceNotifyId = 0;
+        }
+
+        for (let w = 0; w < this._thumbnails.length; w++)
+            this._thumbnails[w].destroy();
+        this._thumbnails = [];
+    },
+
+    addThumbnails: function(start, count) {
+        for (let k = start; k < start + count; k++) {
+            let metaWorkspace = global.screen.get_workspace_by_index(k);
+            let thumbnail = new WorkspaceThumbnail(metaWorkspace);
+            thumbnail.setPorthole(this._porthole.x, this._porthole.y,
+                                  this._porthole.width, this._porthole.height);
+            this._thumbnails.push(thumbnail);
+            this.actor.add_actor(thumbnail.actor);
+
+            if (start > 0) { // not the initial fill
+                thumbnail.state = ThumbnailState.NEW;
+                thumbnail.slidePosition = 1; // start slid out
+                this._haveNewThumbnails = true;
+            } else {
+                thumbnail.state = ThumbnailState.NORMAL;
+            }
+
+            this._stateCounts[thumbnail.state]++;
+        }
+
+        this._queueUpdateStates();
+
+        // The thumbnails indicator actually needs to be on top of the thumbnails
+        this._indicator.raise_top();
+    },
+
+    removeThumbmails: function(start, count) {
+        let currentPos = 0;
+        for (let k = 0; k < this._thumbnails.length; k++) {
+            let thumbnail = this._thumbnails[k];
+
+            if (thumbnail.state > ThumbnailState.NORMAL)
+                continue;
+
+            if (currentPos >= start && currentPos < start + count)
+                this._setThumbnailState(thumbnail, ThumbnailState.REMOVING);
+
+            currentPos++;
+        }
+
+        this._queueUpdateStates();
+    },
+
+    syncStacking: function(stackIndices) {
+        for (let i = 0; i < this._thumbnails.length; i++)
+            this._thumbnails[i].syncStacking(stackIndices);
+    },
+
+    set scale(scale) {
+        this._scale = scale;
+        this.actor.queue_relayout();
+    },
+
+    get scale() {
+        return this._scale;
+    },
+
+    set indicatorY(indicatorY) {
+        this._indicatorY = indicatorY;
+        this.actor.queue_relayout();
+    },
+
+    get indicatorY() {
+        return this._indicatorY;
+    },
+
+    _setThumbnailState: function(thumbnail, state) {
+        this._stateCounts[thumbnail.state]--;
+        thumbnail.state = state;
+        this._stateCounts[thumbnail.state]++;
+    },
+
+    _iterateStateThumbnails: function(state, callback) {
+        if (this._stateCounts[state] == 0)
+            return;
+
+        for (let i = 0; i < this._thumbnails.length; i++) {
+            if (this._thumbnails[i].state == state)
+                callback.call(this, this._thumbnails[i]);
+        }
+    },
+
+    _tweenScale: function() {
+        Tweener.addTween(this,
+                         { scale: this._targetScale,
+                           time: RESCALE_ANIMATION_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: this._queueUpdateStates,
+                           onCompleteScope: this });
+    },
+
+    _updateStates: function() {
+        this._stateUpdateQueued = false;
+
+        // If we are animating the indicator, wait
+        if (this._animatingIndicator)
+            return;
+
+        // Then slide out any thumbnails that have been destroyed
+        this._iterateStateThumbnails(ThumbnailState.REMOVING,
+            function(thumbnail) {
+                this._setThumbnailState(thumbnail, ThumbnailState.ANIMATING_OUT);
+
+                Tweener.addTween(thumbnail,
+                                 { slidePosition: 1,
+                                   time: SLIDE_ANIMATION_TIME,
+                                   transition: 'linear',
+                                   onComplete: function() {
+                                       this._setThumbnailState(thumbnail, ThumbnailState.ANIMATED_OUT);
+                                       this._queueUpdateStates();
+                                   },
+                                   onCompleteScope: this
+                                 });
+            });
+
+        // As long as things are sliding out, don't proceed
+        if (this._stateCounts[ThumbnailState.ANIMATING_OUT] > 0)
+            return;
+
+        // Once that's complete, we can start scaling to the new size and collapse any removed thumbnails
+        this._iterateStateThumbnails(ThumbnailState.ANIMATED_OUT,
+            function(thumbnail) {
+                this.actor.set_skip_paint(thumbnail.actor, true);
+                this._setThumbnailState(thumbnail, ThumbnailState.COLLAPSING);
+                Tweener.addTween(thumbnail,
+                                 { collapseFraction: 1,
+                                   time: RESCALE_ANIMATION_TIME,
+                                   transition: 'easeOutQuad',
+                                   onComplete: function() {
+                                       this._stateCounts[thumbnail.state]--;
+                                       thumbnail.state = ThumbnailState.DESTROYED;
+
+                                       let index = this._thumbnails.indexOf(thumbnail);
+                                       this._thumbnails.splice(index, 1);
+                                       thumbnail.destroy();
+
+                                       this._queueUpdateStates();
+                                   },
+                                   onCompleteScope: this
+                                 });
+                });
+
+        if (this._pendingScaleUpdate) {
+            this._tweenScale();
+            this._pendingScaleUpdate = false;
+        }
+
+        // Wait until that's done
+        if (this._scale != this._targetScale || this._stateCounts[ThumbnailState.COLLAPSING] > 0)
+            return;
+
+        // And then slide in any new thumbnails
+        this._iterateStateThumbnails(ThumbnailState.NEW,
+            function(thumbnail) {
+                this._setThumbnailState(thumbnail, ThumbnailState.ANIMATING_IN);
+                Tweener.addTween(thumbnail,
+                                 { slidePosition: 0,
+                                   time: SLIDE_ANIMATION_TIME,
+                                   transition: 'easeOutQuad',
+                                   onComplete: function() {
+                                       this._setThumbnailState(thumbnail, ThumbnailState.NORMAL);
+                                   },
+                                   onCompleteScope: this
+                                 });
+            });
+    },
+
+    _queueUpdateStates: function() {
+        if (this._stateUpdateQueued)
+            return;
+
+        Meta.later_add(Meta.LaterType.BEFORE_REDRAW,
+                       Lang.bind(this, this._updateStates));
+
+        this._stateUpdateQueued = true;
+    },
+
+    _getPreferredHeight: function(actor, forWidth, alloc) {
+        // See comment about this._background in _init()
+        let themeNode = this._background.get_theme_node();
+
+        forWidth = themeNode.adjust_for_width(forWidth);
+
+        // Note that for getPreferredWidth/Height we cheat a bit and skip propagating
+        // the size request to our children because we know how big they are and know
+        // that the actors aren't depending on the virtual functions being called.
+
+        if (this._thumbnails.length == 0)
+            return;
+
+        let spacing = this.actor.get_theme_node().get_length('spacing');
+        let nWorkspaces = global.screen.n_workspaces;
+        let totalSpacing = (nWorkspaces - 1) * spacing;
+
+        [alloc.min_size, alloc.natural_size] =
+            themeNode.adjust_preferred_height(totalSpacing,
+                                              totalSpacing + nWorkspaces * this._porthole.height * MAX_THUMBNAIL_SCALE);
+    },
+
+    _getPreferredWidth: function(actor, forHeight, alloc) {
+        // See comment about this._background in _init()
+        let themeNode = this._background.get_theme_node();
+
+        if (this._thumbnails.length == 0)
+            return;
+
+        // We don't animate our preferred width, which is always reported according
+        // to the actual number of current workspaces, we just animate within that
+
+        let spacing = this.actor.get_theme_node().get_length('spacing');
+        let nWorkspaces = global.screen.n_workspaces;
+        let totalSpacing = (nWorkspaces - 1) * spacing;
+
+        let avail = forHeight - totalSpacing;
+
+        let scale = (avail / nWorkspaces) / this._porthole.height;
+        scale = Math.min(scale, MAX_THUMBNAIL_SCALE);
+
+        let width = Math.round(this._porthole.width * scale);
+        [alloc.min_size, alloc.natural_size] =
+            themeNode.adjust_preferred_width(width, width);
+    },
+
+    _allocate: function(actor, box, flags) {
+        let rtl = (St.Widget.get_default_direction () == St.TextDirection.RTL);
+
+        // See comment about this._background in _init()
+        let themeNode = this._background.get_theme_node();
+        let contentBox = themeNode.get_content_box(box);
+
+        if (this._thumbnails.length == 0) // not visible
+            return;
+
+        let portholeWidth = this._porthole.width;
+        let portholeHeight = this._porthole.height;
+        let spacing = this.actor.get_theme_node().get_length('spacing');
+
+        // Compute the scale we'll need once everything is updated
+        let nWorkspaces = global.screen.n_workspaces;
+        let totalSpacing = (nWorkspaces - 1) * spacing;
+        let avail = (contentBox.y2 - contentBox.y1) - totalSpacing;
+
+        let newScale = (avail / nWorkspaces) / portholeHeight;
+        newScale = Math.min(newScale, MAX_THUMBNAIL_SCALE);
+
+        if (newScale != this._targetScale) {
+            if (this._targetScale > 0) {
+                // We don't do the tween immediately because we need to observe the ordering
+                // in queueUpdateStates - if workspaces have been removed we need to slide them
+                // out as the first thing.
+                this._targetScale = newScale;
+                this._pendingScaleUpdate = true;
+            } else {
+                this._targetScale = this._scale = newScale;
+            }
+
+            this._queueUpdateStates();
+        }
+
+        let thumbnailHeight = portholeHeight * this._scale;
+        let thumbnailWidth = Math.round(portholeWidth * this._scale);
+        let roundedHScale = thumbnailWidth / portholeWidth;
+
+        let slideOffset; // X offset when thumbnail is fully slid offscreen
+        if (rtl)
+            slideOffset = - (thumbnailWidth + themeNode.get_padding(St.Side.LEFT));
+        else
+            slideOffset = thumbnailWidth + themeNode.get_padding(St.Side.RIGHT);
+
+        let childBox = new Clutter.ActorBox();
+
+        // The background is horizontally restricted to correspond to the current thumbnail size
+        // but otherwise covers the entire allocation
+        if (rtl) {
+            childBox.x1 = box.x1;
+            childBox.x2 = box.x2 - ((contentBox.x2 - contentBox.x1) - thumbnailWidth);
+        } else {
+            childBox.x1 = box.x1 + ((contentBox.x2 - contentBox.x1) - thumbnailWidth);
+            childBox.x2 = box.x2;
+        }
+        childBox.y1 = box.y1;
+        childBox.y2 = box.y2;
+        this._background.allocate(childBox, flags);
+
+        let indicatorY = this._indicatorY;
+        // when not animating, the workspace position overrides this._indicatorY
+        let indicatorWorkspace = !this._animatingIndicator ? global.screen.get_active_workspace() : null;
+
+        let y = contentBox.y1;
+
+        for (let i = 0; i < this._thumbnails.length; i++) {
+            let thumbnail = this._thumbnails[i];
+
+            if (i > 0)
+                y += spacing - Math.round(thumbnail.collapseFraction * spacing);
+
+            // We might end up with thumbnailHeight being something like 99.33
+            // pixels. To make this work and not end up with a gap at the bottom,
+            // we need some thumbnails to be 99 pixels and some 100 pixels height;
+            // we compute an actual scale separately for each thumbnail.
+            let y1 = Math.round(y);
+            let y2 = Math.round(y + thumbnailHeight);
+            let roundedVScale = (y2 - y1) / portholeHeight;
+
+            let x1, x2;
+            if (rtl) {
+                x1 = contentBox.x1 + slideOffset * thumbnail.slidePosition;
+                x2 = x1 + thumbnailWidth;
+            } else {
+                x1 = contentBox.x2 - thumbnailWidth + slideOffset * thumbnail.slidePosition;
+                x2 = x1 + thumbnailWidth;
+            }
+
+            if (thumbnail.metaWorkspace == indicatorWorkspace)
+                indicatorY = y1;
+
+            // Allocating a scaled actor is funny - x1/y1 correspond to the origin
+            // of the actor, but x2/y2 are increased by the *unscaled* size.
+            childBox.x1 = x1;
+            childBox.x2 = x1 + portholeWidth;
+            childBox.y1 = y1;
+            childBox.y2 = y1 + portholeHeight;
+
+            thumbnail.actor.set_scale(roundedHScale, roundedVScale);
+            thumbnail.actor.allocate(childBox, flags);
+
+            // We round the collapsing portion so that we don't get thumbnails resizing
+            // during an animation due to differences in rounded, but leave the uncollapsed
+            // portion unrounded so that non-animating we end up with the right total
+            y += thumbnailHeight - Math.round(thumbnailHeight * thumbnail.collapseFraction);
+        }
+
+        if (rtl) {
+            childBox.x1 = contentBox.x1;
+            childBox.x2 = contentBox.x1 + thumbnailWidth;
+        } else {
+            childBox.x1 = contentBox.x2 - thumbnailWidth;
+            childBox.x2 = contentBox.x2;
+        }
+        childBox.y1 = indicatorY;
+        childBox.y2 = childBox.y1 + thumbnailHeight;
+        this._indicator.allocate(childBox, flags);
+    },
+
+    _activeWorkspaceChanged: function(wm, from, to, direction) {
+        let thumbnail;
+        let activeWorkspace = global.screen.get_active_workspace();
+        for (let i = 0; i < this._thumbnails.length; i++) {
+            if (this._thumbnails[i].metaWorkspace == activeWorkspace) {
+                thumbnail = this._thumbnails[i];
+                break;
+            }
+        }
+
+        this._animatingIndicator = true;
+        this.indicatorY = this._indicator.allocation.y1;
+        Tweener.addTween(this,
+                         { indicatorY: thumbnail.actor.allocation.y1,
+                           time: WorkspacesView.WORKSPACE_SWITCH_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: function() {
+                               this._animatingIndicator = false;
+                               this._queueUpdateStates();
+                           },
+                           onCompleteScope: this
+                         });
+    }
+};
--- a/js/ui/workspacesView.js
+++ b/js/ui/workspacesView.js
--- a/js/ui/xdndHandler.js
+++ b/js/ui/xdndHandler.js
@ -0,0 +1,130 @@
+/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
+
+const Clutter = imports.gi.Clutter;
+const Lang = imports.lang;
+const Shell = imports.gi.Shell;
+const Signals = imports.signals;
+const DND = imports.ui.dnd;
+
+function XdndHandler() {
+    this._init();
+}
+
+XdndHandler.prototype = {
+    _init: function() {
+        // Used to display a clone of the cursor window when the
+        // window group is hidden (like it happens in the overview)
+        this._cursorWindowClone = null;
+
+        // Used as a drag actor in case we don't have a cursor window clone
+        this._dummy = new Clutter.Rectangle({ width: 1, height: 1, opacity: 0 });
+        global.stage.add_actor(this._dummy);
+        this._dummy.hide();
+
+        // Mutter delays the creation of the output window as long
+        // as possible to avoid flicker. In case a plugin wants to
+        // access it directly it has to connect to the stage's show
+        // signal. (see comment in compositor.c:meta_compositor_manage_screen)
+        global.stage.connect('show', function () {
+                                        global.init_xdnd();
+                                        return false;
+                                      });
+
+        global.connect('xdnd-enter', Lang.bind(this, this._onEnter));
+        global.connect('xdnd-position-changed', Lang.bind(this, this._onPositionChanged));
+        global.connect('xdnd-leave', Lang.bind(this, this._onLeave));
+
+        this._windowGroupVisibilityHandlerId = 0;
+    },
+
+    // Called when the user cancels the drag (i.e release the button)
+    _onLeave: function() {
+        if (this._windowGroupVisibilityHandlerId != 0) {
+            global.window_group.disconnect(this._windowGroupVisibilityHandlerId);
+            this._windowGroupVisibilityHandlerId = 0;
+        }
+        if (this._cursorWindowClone) {
+            this._cursorWindowClone.destroy();
+            this._cursorWindowClone = null;
+        }
+
+        this.emit('drag-end');
+    },
+
+    _onEnter: function() {
+        this._windowGroupVisibilityHandlerId  =
+                global.window_group.connect('notify::visible',
+                    Lang.bind(this, this._onWindowGroupVisibilityChanged));
+
+        this.emit('drag-begin', global.get_current_time());
+    },
+
+    _onWindowGroupVisibilityChanged: function() {
+        if (!global.window_group.visible) {
+            if (this._cursorWindowClone)
+                return;
+
+            let windows = global.get_window_actors();
+            let cursorWindow = windows[windows.length - 1];
+
+            // FIXME: more reliable way?
+            if (!cursorWindow.is_override_redirect())
+                return;
+
+            let constraint_position = new Clutter.BindConstraint({ coordinate : Clutter.BindCoordinate.POSITION,
+                                                                   source: cursorWindow});
+
+            this._cursorWindowClone = new Clutter.Clone({ source: cursorWindow });
+            global.overlay_group.add_actor(this._cursorWindowClone);
+            Shell.util_set_hidden_from_pick(this._cursorWindowClone, true);
+
+            // Make sure that the clone has the same position as the source
+            this._cursorWindowClone.add_constraint(constraint_position);
+        } else {
+            if (this._cursorWindowClone) {
+                this._cursorWindowClone.destroy();
+                this._cursorWindowClone = null;
+            }
+        }
+    },
+
+    _onPositionChanged: function(obj, x, y) {
+        let pickedActor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y);
+
+        // Make sure that the cursor window is on top
+        if (this._cursorWindowClone)
+             this._cursorWindowClone.raise_top();
+
+        let dragEvent = {
+            x: x,
+            y: y,
+            dragActor: this._cursorWindowClone ? this._cursorWindowClone : this._dummy,
+            source: this,
+            targetActor: pickedActor
+        };
+
+        for (let i = 0; i < DND.dragMonitors.length; i++) {
+            let motionFunc = DND.dragMonitors[i].dragMotion;
+            if (motionFunc) {
+                let result = motionFunc(dragEvent);
+                if (result != DND.DragMotionResult.CONTINUE)
+                    return;
+            }
+        }
+
+        while (pickedActor) {
+                if (pickedActor._delegate && pickedActor._delegate.handleDragOver) {
+                    let result = pickedActor._delegate.handleDragOver(this,
+                                                                      dragEvent.dragActor,
+                                                                      x,
+                                                                      y,
+                                                                      global.get_current_time());
+                    if (result != DND.DragMotionResult.CONTINUE)
+                        return;
+                }
+                pickedActor = pickedActor.get_parent();
+        }
+    }
+}
+
+Signals.addSignalMethods(XdndHandler.prototype);
--- a/Show More
+++ b/Show More