endSessionDialog: Check for PackageKit before considering updates/upgrades

GNOME Shell is spitting out some errors in the journal due to its attempts
to speak to PackageKit, which is not present on Endless OS, so let's add
some runtime checks to make sure that PackageKit is actually available
before assuming so and using its proxy to decide which kind of UI to
show to the user when ending the session.

https://gitlab.gnome.org/GNOME/gnome-shell/issues/369

.gitignore

@@ -80,3 +80,4 @@ tests/run-test.sh
 *~
 *.patch
 *.sw?
+.vscode

.gitlab-ci.yml

@@ -15,10 +15,10 @@ variables:
         - merge_requests
 
 check_commit_log:
-    image: registry.fedoraproject.org/fedora:latest
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v2
     stage: review
-    before_script:
-        - dnf install -y git
+    variables:
+        GIT_DEPTH: "100"
     script:
         - ./.gitlab-ci/check-commit-log.sh
     only:
@@ -40,7 +40,7 @@ js_check:
         when: on_failure
 
 build:
-    image: registry.gitlab.gnome.org/gnome/gnome-shell/master:v1
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v2
     stage: build
     before_script:
         - .gitlab-ci/checkout-mutter.sh
@@ -58,7 +58,7 @@ build:
             - build
 
 test:
-    image: registry.gitlab.gnome.org/gnome/gnome-shell/master:v1
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v2
     stage: test
     before_script:
         - ninja -C mutter/build install
@@ -72,7 +72,7 @@ test:
         when: on_failure
 
 test-pot:
-    image: registry.gitlab.gnome.org/gnome/gnome-shell/master:v1
+    image: registry.gitlab.gnome.org/gnome/mutter/master:v2
     stage: test
     before_script:
         - ninja -C mutter/build install

.gitlab-ci/Dockerfile

@@ -1,19 +0,0 @@
-FROM registry.gitlab.gnome.org/gnome/mutter/master:v1
-
-RUN dnf -y update && dnf -y upgrade && \
-    dnf install -y 'dnf-command(copr)' && \
-    dnf copr enable -y fmuellner/gnome-shell-ci && \
-    dnf builddep -y gnome-shell --setopt=install_weak_deps=False && \
-
-    # bt only exports HAVE_BLUETOOTH to js, rest are outdated build-requires
-    dnf remove -y gnome-bluetooth-libs-devel dbus-glib-devel \
-                  upower-devel python3-devel && \
-
-    # We'll build mutter ourselves
-    dnf remove -y --noautoremove mutter mutter-devel && \
-
-    # Needed for tests
-    dnf install -y '*/xvfb-run' gdm-lib accountsservice-libs && \
-
-    dnf clean all && \
-    rm -rf /var/cache/dnf

.gitlab-ci/checkout-mutter.sh

@@ -17,15 +17,19 @@ if [ "$CI_MERGE_REQUEST_TARGET_BRANCH_NAME" ]; then
   merge_request_branch=$CI_MERGE_REQUEST_SOURCE_BRANCH_NAME
 
   echo Looking for $merge_request_branch on remote ...
-  if git fetch $merge_request_remote $merge_request_branch >/dev/null 2>&1; then
+  if git fetch -q $merge_request_remote $merge_request_branch 2>/dev/null; then
     mutter_target=FETCH_HEAD
+  else
+    mutter_target=origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME
+    echo Using $mutter_target instead
   fi
 fi
 
 if [ -z "$mutter_target" ]; then
-  mutter_target=$(git branch -r -l $shell_branch)
+  mutter_target=$(git branch -r -l origin/$shell_branch)
+  mutter_target=${mutter_target:-$(git branch -r -l ${shell_branch#remotes/})}
   mutter_target=${mutter_target:-origin/master}
   echo Using $mutter_target instead
 fi
 
-git checkout $mutter_target
+git checkout -q $mutter_target

NEWS

@@ -1,3 +1,107 @@
+3.33.3
+======
+* Prepare for optional X11 [Carlos; !378]
+* Fix opening window menu [Marco; !557]
+* Reload search providers when installed applications change [Cosimo; !562]
+* Implement locate-pointer accessibility feature [Olivier; #981]
+* Allow to disable window menus via session mode [Cosimo; !569]
+* Implement mouse accessibility [Olivier; !474]
+* Call GDM's RegisterSession() after startup [Iain; !570]
+* Fix extended keys popups being hidden by on-screen keyboard [Marco; !583]
+* Fix top bar being hidden by lock screen [Jonas; !571]
+* Update theme to better match GTK's Adwaita [Frederik; #841]
+* Set up GJS profiler when GJS_TRACE_FD is set [Christian; !573]
+* Misc. bug fixes and cleanups [Jonas, Cosimo, Robert, Florian, Marco, Simon,
+  Laurent, Niels, Will; !551, !555, !464, #1333, !565, !572, !568, !558, #1205,
+  #1336, !579, !576, #1392, !582, !586, #1406, #1351]
+
+Contributors:
+  Laurent Bigonville, Cosimo Cecchi, Piotr Drąg, Jonas Dreßler,
+  Frederik Feichtmeier, Olivier Fourdan, Carlos Garnacho, Niels De Graef,
+  Christian Hergert, Iain Lane, Robert Mader, Florian Müllner, Simon Schampijer,
+  Jakub Steiner, Will Thompson, Marco Trevisan (Treviño)
+
+Translators:
+  Kukuh Syafaat [id], Balázs Meskó [hu], Daniel Mustieles [es],
+  Fabio Tomat [fur], Nathan Follens [nl], Goran Vidović [hr], Jordi Mas [ca]
+
+3.33.2
+======
+* Fix keeping actors visible in scrollviews [Marco; #1061]
+* Move some chrome above popup windows [Jonas D.; !358]
+* Include 'sandboxed-app-id' in winodw introspection info [Florian; #1289]
+* Port to libecal-2.0 [Milan; !501]
+* Support TCRYPT in mount password dialog [segfault; !126]
+* Misc. bug fixes and cleanups [Florian, Marco, Veerasamy; !517, #745, !499,
+  !510, !515, !546, !549]
+
+Contributors:
+  Cosimo Cecchi, Milan Crha, Jonas Dreßler, Florian Müllner, segfault,
+  Veerasamy Sevagen, Marco Trevisan (Treviño)
+
+Translators:
+  Daniel Mustieles [es]
+
+3.33.1
+======
+* Refine the app menu [Florian; #968]
+* Refine window preview style [Feichtmeier; !461]
+* Only emit ::style-changed on actual changes [Carlos; #1153]
+* Disable emoji on-screen keyboard support on X11 [Florian; #1172]
+* Fix tablet button mapping overlay [Carlos; #1220]
+* Don't crash for world clock locations with no timezone [Florian; #1062]
+* Don't leak old on-screen keyboard layout groups [Carlos; mutter#556]
+* Fix ellipsization in dialog subtitles/bodies [Marco; !531]
+* Fix glitch of fullscreen window in workspace switch animation [Jonas D.; !322]
+* Fix distortion of some image contents [Florian; !525]
+* Allow dragging unfocused tiled/maximized windows from top bar [Dylan; #679290]
+* Handle network interface name changes [Fabrice; !534]
+* Avoid unnecessary style changes when computing :first/:last-child
+  [Florian; !529]
+* Misc. bug fixes and cleanups [Florian, Marco, Robert, Georges, Carlos, Simon,
+  Jonas D.; !487, !441, !502, !503, !504, !506, #822, !551, !512, !509, !511,
+  #1054, !524, #1065, !331, !540]
+
+Contributors:
+  Fabrice Bellet, Jonas Dreßler, Feichtmeier, Carlos Garnacho, Robert Mader,
+  Dylan McCall, Simon McVittie, Florian Müllner, Georges Basile Stavracas Neto,
+  Marco Trevisan (Treviño)
+
+Translators:
+  Daniel Mustieles [es], Kukuh Syafaat [id], Fabio Tomat [fur],
+  Carmen Bianca BAKKER [eo], Dingzhong Chen [zh_CN], Tim Sabsch [de]
+
+3.32.1
+======
+* Fix avatar scaling on login screen [Florian; #1024]
+* Fix distortion of desktop zoom [Florian; #646]
+* Fix mouse cursor visibility when using desktop zoom [Florian, Marco; #1020]
+* Fix screen dimming after wake-up on lock screen [Xiaoguang; #900]
+* Fix Alt+Esc switcher [Florian; #1064]
+* Respect struts for popover placement [Andrea; #1102]
+* Fix app icons updates after theme changes [Florian; #1117]
+* Fix desktop zoom after resolution changes [Marco; #1120]
+* Implement stick-to-finger workspace switch overview gestures [Florian; #516]
+* Make World Clocks offsets relative to local time [Florian; #1157]
+* Fix top app icon disappearing from dash [Florian; #1053]
+* Update switch style to match new Adwaita [Jakub; !496]
+* Ensure CSS units are pixel-aligned when scaling is used [Carlos; #91]
+* Misc. bug fixes and cleanups [Florian, Jakub, Robert, Alex, Carlos, Phil,
+  Marco, Benjamin, AsciiWolf, Ray, verdre; !444, #1016, #1018, !449, #1036,
+  !455, #1094, !440, #1023, #624, #1017, !476, !473, !480, #1130, !485, !481,
+  !490, !489, #1151, !435, #1160, !482, #1150, #1166, !384]
+
+Contributors:
+  AsciiWolf, Andrea Azzarone, Benjamin Berg, Carlos Garnacho, Victor Ibragimov,
+  Robert Mader, Alex Monday, Florian Müllner, Jakub Steiner, Ray Strode,
+  Marco Trevisan (Treviño), verdre, Xiaoguang Wang, Phil Wyett
+
+Translators:
+  Victor Ibragimov [tg, af, et, ja], Bruce Cowan [en_GB], Piotr Drąg [tg],
+  Charles Monzat [fr], Khaled Hosny [ar], Goran Vidović [hr],
+  Cheng-Chia Tseng [zh_TW], Carmen Bianca BAKKER [eo], Daniel Mustieles [es],
+  Dušan Kazik [sk]
+
 3.32.0
 ======
 * Fix sizing issues in on-screen-keyboard emoji panel [Carlos; !439]

data/dbus-interfaces/org.gnome.Shell.xml

@@ -9,9 +9,6 @@
     <method name="ShowOSD">
       <arg type="a{sv}" direction="in" name="params"/>
     </method>
-    <method name="ShowMonitorLabels">
-      <arg type="a{uv}" direction="in" name="params"/>
-    </method>
     <method name="ShowMonitorLabels2">
       <arg type="a{sv}" direction="in" name="params"/>
     </method>

data/gnome-shell-theme.gresource.xml

@@ -20,12 +20,16 @@
     <file>no-notifications.svg</file>
     <file>noise-texture.png</file>
     <file>pad-osd.css</file>
+    <file alias="icons/pointer-double-click-symbolic.svg">pointer-double-click-symbolic.svg</file>
+    <file alias="icons/pointer-drag-symbolic.svg">pointer-drag-symbolic.svg</file>
+    <file alias="icons/pointer-primary-click-symbolic.svg">pointer-primary-click-symbolic.svg</file>
+    <file alias="icons/pointer-secondary-click-symbolic.svg">pointer-secondary-click-symbolic.svg</file>
     <file>process-working.svg</file>
-    <file>toggle-off-us.svg</file>
-    <file>toggle-off-intl.svg</file>
+    <file>toggle-off.svg</file>
+    <file>toggle-off-dark.svg</file>
     <file>toggle-off-hc.svg</file>
-    <file>toggle-on-us.svg</file>
-    <file>toggle-on-intl.svg</file>
+    <file>toggle-on.svg</file>
+    <file>toggle-on-dark.svg</file>
     <file>toggle-on-hc.svg</file>
   </gresource>
 </gresources>

data/org.gnome.shell.gschema.xml.in

@@ -99,7 +99,6 @@
       </description>
     </key>
     <child name="keybindings" schema="org.gnome.shell.keybindings"/>
-    <child name="keyboard" schema="org.gnome.shell.keyboard"/>
   </schema>
 
   <schema id="org.gnome.shell.keybindings" path="/org/gnome/shell/keybindings/"
@@ -183,17 +182,6 @@
     </key>
   </schema>
 
-  <schema id="org.gnome.shell.keyboard" path="/org/gnome/shell/keyboard/"
-          gettext-domain="@GETTEXT_PACKAGE@">
-    <key name="keyboard-type" type="s">
-      <default>'touch'</default>
-      <summary>Which keyboard to use</summary>
-      <description>
-        The type of keyboard to use.
-      </description>
-    </key>
-  </schema>
-
   <schema id="org.gnome.shell.app-switcher"
           path="/org/gnome/shell/app-switcher/"
           gettext-domain="@GETTEXT_PACKAGE@">

data/theme/gnome-shell-high-contrast.scss

@@ -1,3 +1,5 @@
+$variant: 'light';
+
 @import "gnome-shell-sass/_high-contrast-colors"; //use gtk colors
 @import "gnome-shell-sass/_drawing";
 @import "gnome-shell-sass/_common";

data/theme/gnome-shell-sass/_colors.scss

@@ -3,11 +3,11 @@
 
 
 $base_color: if($variant == 'light', #ffffff, lighten(desaturate(#241f31, 20%), 2%));
-$bg_color: if($variant == 'light', #f6f5f4, desaturate(#3d3846, 10%));
+$bg_color: if($variant == 'light', #f6f5f4, darken(desaturate(#3d3846, 100%), 4%));
 $fg_color: if($variant == 'light', #2e3436, #eeeeec);
 
 $selected_fg_color: #ffffff;
-$selected_bg_color: if($variant == 'light', #3584e4, darken(#3584e4, 20%));
+$selected_bg_color: if($variant == 'light', #3584e4, darken(#3584e4, 10%));
 $selected_borders_color: if($variant== 'light', darken($selected_bg_color, 15%), darken($selected_bg_color, 30%));
 $borders_color: if($variant == 'light', darken($bg_color, 18%), darken($bg_color, 10%));
 $borders_edge: if($variant == 'light', transparentize(white, 0.2), transparentize($fg_color, 0.93));
@@ -21,11 +21,15 @@ $success_color: if($variant == 'light', #33d17a, darken(#33d17a, 10%));
 $destructive_color: if($variant == 'light', #e01b24, darken(#e01b24, 10%));
 
 $osd_fg_color: #eeeeec;
-$osd_bg_color: #2e3436;
+$osd_text_color: white;
+$osd_bg_color: transparentize(darken(desaturate(#3d3846, 100%), 12%),0.04);
+$osd_insensitive_bg_color: transparentize(mix($osd_fg_color, opacify($osd_bg_color, 1), 10%), 0.5);
+$osd_insensitive_fg_color: mix($osd_fg_color, opacify($osd_bg_color, 1), 50%);
 $osd_borders_color: transparentize(black, 0.3);
-$osd_outer_borders_color: transparentize(white, 0.9);
+$osd_outer_borders_color: transparentize(white, 0.84);
 
 $tooltip_borders_color: $osd_outer_borders_color;
+$shadow_color: transparentize(black, 0.9);
 
 //insensitive state derived colors
 $insensitive_fg_color: mix($fg_color, $bg_color, 50%);

data/theme/gnome-shell-sass/_drawing.scss

@@ -37,16 +37,13 @@
 // possible $t values:
 // normal, focus, insensitive
 //
-  $_inner_shadows: inset 0 2px 4px transparentize(black, 0.6);
 
   @if $t==normal {
     background-color: $base_color;
     border-color: $borders_color;
-    @include _shadows($_inner_shadows);
 
   }
   @if $t==focus {
-    @include _shadows($_inner_shadows);
     border-color: if($fc==$selected_bg_color,
                      $selected_borders_color,
                      darken($fc,35%));
@@ -111,7 +108,7 @@
   }
 }
 
-@mixin button($t, $c:$osd_bg_color, $tc:$fg_color, $edge: $borders_edge) {
+@mixin button($t, $c:$bg_color, $tc:$fg_color, $edge: $borders_edge) {
 //
 // Button drawing function
 //
@@ -130,46 +127,39 @@
   $_hilight_color: _button_hilight_color($c);
   $_button_edge: if($edge == none, none, _widget_edge($edge));
   $_blank_edge: if($edge == none, none, _widget_edge(transparentize($edge,1)));
-
+  $_button_shadow: 0 1px 2px transparentize($shadow_color, 0.03);
 
   @if $t==normal {
   //
   // normal button
   //
-    $_bg: if($c!=$osd_bg_color, transparentize($c, 0.5),
-                            $osd_bg_color);
 
-    color: $osd_fg_color;
-    background-color: $_bg;
-    border-color: $osd_borders_color;
-    box-shadow: inset 0 1px lighten($osd_bg_color,10%);
+    color: $tc;
+    background-color: $c;
+    border-color: $borders_color;
+    box-shadow: $_button_shadow;
     text-shadow: 0 1px black;
     icon-shadow: 0 1px black;
   }
   @if $t==focus {
   //
   // focused button
-  //
-    $_bg: if($c!=$osd_bg_color, transparentize($c, 0.3),
-                          lighten($osd_bg_color,3%));
-
-    color: $osd_fg_color;
+  //  
+    color: $tc;
     text-shadow: 0 1px black;
     icon-shadow: 0 1px black;
-    box-shadow: inset 0px 0px 0px 1px $selected_bg_color;
+    box-shadow: inset 0px 0px 0px 2px $selected_bg_color;
+    //border-color: $selected_bg_color;
   }
 
   @else if $t==hover {
   //
   // active osd button
   //
-    $_bg: if($c!=$osd_bg_color, transparentize($c, 0.3),
-                            lighten($osd_bg_color,3%));
-
-    color: white;
-    border-color: $osd_borders_color;
-    background-color: $_bg;
-    box-shadow: inset 0 1px lighten($osd_bg_color,20%);
+    color: $tc;
+    border-color: $borders_color;
+    background-color: $c;
+    box-shadow: $_button_shadow;
     text-shadow: 0 1px black;
     icon-shadow: 0 1px black;
 
@@ -178,27 +168,18 @@
   //
   // active osd button
   //
-    $_bg: if($c!=$bg_color, $c, $osd_borders_color);
-
-    color: white;
-    border-color: $osd_borders_color;
-    background-color: $selected_bg_color;
-    // This should be none, but it's creating some issues with borders, so to
-    // workaround it for now, use inset wich goes through a different code path.
-    // see https://bugzilla.gnome.org/show_bug.cgi?id=752934
-    box-shadow: inset 0 0 black;
+    color: $tc;
+    border-color: $borders_color;
+    background-color: $c;
     text-shadow: none;
     icon-shadow: none;
+    box-shadow: none;
   }
   @else if $t==insensitive {
-  //
-  // insensitive osd button
-  //
-    $_bg: transparentize(mix($insensitive_fg_color,$osd_bg_color,20%),0.3);
 
     color: $insensitive_fg_color;
-    border-color: $osd_borders_color;
-    background-color: $_bg;
+    border-color: $insensitive_borders_color;
+    background-color: $insensitive_bg_color;
     box-shadow: none;
     text-shadow: none;
     icon-shadow: none;

data/theme/gnome-shell-sass/_high-contrast-colors.scss

@@ -26,6 +26,7 @@ $osd_borders_color: transparentize(black, 0.3);
 $osd_outer_borders_color: transparentize(white, 0.9);
 
 $tooltip_borders_color: $osd_outer_borders_color;
+$shadow_color: transparentize(black, 0.9);
 
 //insensitive state derived colors
 $insensitive_fg_color: mix($fg_color, $bg_color, 50%);

data/theme/pointer-double-click-symbolic.svg

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<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"
+   width="20"
+   height="20"
+   id="svg2">
+  <g
+     id="layer1"
+     style="display:inline">
+    <g
+       id="id1"
+       transform="translate(-19,-0.75)">
+      <path
+         style="color:#000000;shape-padding:0;clip-rule:nonzero;display:block;overflow:visible;visibility:visible;opacity:1;solid-color:#000000;solid-opacity:1;fill:#464646;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;enable-background:accumulate"
+         d="m 19.855469,0.45507812 c 0,6.69466128 0,13.38932288 0,20.08398388 1.414713,-1.38151 2.829427,-2.763021 4.24414,-4.144531 0.5882,1.18866 1.158389,2.386561 1.758464,3.569127 1.108631,1.640259 4.157538,0.465128 3.89799,-1.495859 0.01057,-0.470226 -0.405577,-0.908445 -0.434651,-1.313638 0.259401,-0.25321 0.518802,-0.50642 0.778203,-0.75963 0.5882,1.18866 1.158389,2.386561 1.758464,3.569127 1.108631,1.640259 4.157538,0.465128 3.89799,-1.495859 -0.192325,-0.904303 -0.717854,-1.698026 -1.068629,-2.548967 -0.238908,-0.512658 -0.477817,-1.025315 -0.716725,-1.537973 1.755859,0 3.511719,0 5.267578,0 C 34.777352,9.738932 30.31641,5.0970051 25.855469,0.45507812 c 0,2.08138018 0,4.16276048 0,6.24414068 -2,-2.0813802 -4,-4.1627605 -6,-6.24414068 z m 1.5,3.72656248 c 2,2.0813801 4,4.1627603 6,6.2441404 0,-2.0813801 0,-4.1627603 0,-6.2441404 2.786458,2.8997395 5.572917,5.7994789 8.359375,8.6992184 -1.366537,0 -2.733073,0 -4.09961,0 0.883468,1.903435 1.781983,3.800273 2.656081,5.707817 0.0065,0.622781 -1.227555,0.980575 -1.325116,0.207118 -0.80433,-1.640251 -1.608661,-3.280501 -2.412991,-4.920752 -1.020182,0.995443 -2.040365,1.990885 -3.060547,2.986328 0.263642,0.608048 0.596803,1.192457 0.814693,1.816134 -0.182662,0.601037 -1.26833,0.8373 -1.365856,0.06795 -0.796094,-1.623456 -1.592189,-3.246912 -2.388284,-4.870368 -1.059245,1.033854 -2.118489,2.067708 -3.177734,3.101562 -4e-6,-4.265002 -7e-6,-8.5300036 -1.1e-5,-12.7950054 z"
+         id="path5565" />
+    </g>
+    <g
+       id="id2"
+       transform="translate(-25,-0.75)" />
+  </g>
+</svg>

data/theme/pointer-drag-symbolic.svg

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<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"
+   width="20"
+   height="20"
+   id="svg2">
+  <g
+     id="g835">
+    <path
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data/theme/toggle-on.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="46" height="22"><g transform="translate(0 -291.18)" stroke="#2b73cc"><rect style="marker:none;font-variant-east_asian:normal" width="44.446" height="20.911" x=".625" y="291.715" rx="10.455" ry="10.073" fill="#3081e3"/><rect ry="10.455" rx="10.455" y="291.715" x="24.304" height="20.911" width="21.143" style="marker:none;font-variant-east_asian:normal" fill="#f8f7f7" stroke-linecap="round" stroke-linejoin="round"/></g></svg>

js/extensionPrefs/main.js

@@ -168,13 +168,20 @@ var Application = class {
 
         copyButton.connect('clicked', w => {
             let clipboard = Gtk.Clipboard.get_default(w.get_display());
-            let backticks = '```';
-            clipboard.set_text(
-                // markdown for pasting in gitlab issues
-                `The settings of extension ${extension.uuid} had an error:\n${
-                backticks}\n${exc}\n${backticks}\n\nStack trace:\n${
-                backticks}\n${exc.stack}${backticks}\n`, -1
-            );
+            // markdown for pasting in gitlab issues
+            let lines = [
+                `The settings of extension ${extension.uuid} had an error:`,
+                '```',
+                `${exc}`,
+                '```',
+                '',
+                'Stack trace:',
+                '```',
+                exc.stack.replace(/\n$/, ''), // stack without trailing newline
+                '```',
+                ''
+            ];
+            clipboard.set_text(lines.join('\n'), -1);
         });
 
         let spacing = new Gtk.SeparatorToolItem({ draw: false });
@@ -551,9 +558,9 @@ class ExtensionRow extends Gtk.ListBoxRow {
 
         let button = new Gtk.Button({ valign: Gtk.Align.CENTER,
                                       no_show_all: true });
-        button.add(new Gtk.Image({ icon_name: 'emblem-system-symbolic',
-                                   icon_size: Gtk.IconSize.BUTTON,
-                                   visible: true }));
+        button.set_image(new Gtk.Image({ icon_name: 'emblem-system-symbolic',
+                                         icon_size: Gtk.IconSize.BUTTON,
+                                         visible: true }));
         button.get_style_context().add_class('circular');
         hbox.add(button);
 
@@ -582,12 +589,12 @@ class ExtensionRow extends Gtk.ListBoxRow {
 
     _isEnabled() {
         let extensions = this._settings.get_strv('enabled-extensions');
-        return extensions.indexOf(this.uuid) != -1;
+        return extensions.includes(this.uuid);
     }
 
     _enable() {
         let extensions = this._settings.get_strv('enabled-extensions');
-        if (extensions.indexOf(this.uuid) != -1)
+        if (extensions.includes(this.uuid))
             return;
 
         extensions.push(this.uuid);
@@ -611,12 +618,12 @@ function initEnvironment() {
     // Monkey-patch in a "global" object that fakes some Shell utilities
     // that ExtensionUtils depends on.
     window.global = {
-        log() {
-            print([].join.call(arguments, ', '));
+        log(...args) {
+            print(args.join(', '));
         },
 
         logError(s) {
-            log('ERROR: ' + s);
+            log(`ERROR: ${s}`);
         },
 
         userdatadir: GLib.build_filenamev([GLib.get_user_data_dir(), 'gnome-shell'])

js/gdm/authPrompt.js

@@ -59,23 +59,23 @@ var AuthPrompt = class {
         this.smartcardDetected = this._userVerifier.smartcardDetected;
 
         this.connect('next', () => {
-                this.updateSensitivity(false);
-                this.startSpinning();
-                if (this._queryingService) {
-                    this._userVerifier.answerQuery(this._queryingService, this._entry.text);
-                } else {
-                    this._preemptiveAnswer = this._entry.text;
-                }
-            });
+            this.updateSensitivity(false);
+            this.startSpinning();
+            if (this._queryingService) {
+                this._userVerifier.answerQuery(this._queryingService, this._entry.text);
+            } else {
+                this._preemptiveAnswer = this._entry.text;
+            }
+        });
 
         this.actor = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout',
                                         vertical: true });
         this.actor.connect('destroy', this._onDestroy.bind(this));
         this.actor.connect('key-press-event', (actor, event) => {
-                if (event.get_key_symbol() == Clutter.KEY_Escape)
-                    this.cancel();
-                return Clutter.EVENT_PROPAGATE;
-            });
+            if (event.get_key_symbol() == Clutter.KEY_Escape)
+                this.cancel();
+            return Clutter.EVENT_PROPAGATE;
+        });
 
         this._userWell = new St.Bin({ x_fill: true,
                                       x_align: St.Align.START });
@@ -112,7 +112,7 @@ var AuthPrompt = class {
         this._buttonBox = new St.BoxLayout({ style_class: 'login-dialog-button-box',
                                              vertical: false });
         this.actor.add(this._buttonBox,
-                       { expand:  true,
+                       { expand: true,
                          x_align: St.Align.MIDDLE,
                          y_align: St.Align.END });
 
@@ -138,7 +138,7 @@ var AuthPrompt = class {
                                             reactive: true,
                                             can_focus: true,
                                             label: _("Cancel") });
-        this.cancelButton.connect('clicked', () => { this.cancel(); });
+        this.cancelButton.connect('clicked', () => this.cancel());
         this._buttonBox.add(this.cancelButton,
                             { expand: false,
                               x_fill: false,
@@ -157,7 +157,7 @@ var AuthPrompt = class {
                                           reactive: true,
                                           can_focus: true,
                                           label: _("Next") });
-        this.nextButton.connect('clicked', () => { this.emit('next'); });
+        this.nextButton.connect('clicked', () => this.emit('next'));
         this.nextButton.add_style_pseudo_class('default');
         this._buttonBox.add(this.nextButton,
                             { expand: false,
@@ -295,12 +295,11 @@ var AuthPrompt = class {
                                    time: DEFAULT_BUTTON_WELL_ANIMATION_TIME,
                                    delay: DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
                                    transition: 'linear',
-                                   onCompleteScope: this,
-                                   onComplete() {
-                                      if (wasSpinner) {
-                                          if (this._spinner)
-                                              this._spinner.stop();
-                                      }
+                                   onComplete: () => {
+                                       if (wasSpinner) {
+                                           if (this._spinner)
+                                               this._spinner.stop();
+                                       }
                                    }
                                  });
             }

js/gdm/batch.js

@@ -44,6 +44,7 @@
  * replaced by something else.
  */
 
+const { GObject } = imports.gi;
 const Signals = imports.signals;
 
 var Task = class {
@@ -124,7 +125,7 @@ var Batch = class extends Task {
     }
 
     process() {
-        throw new Error('Not implemented');
+        throw new GObject.NotImplementedError(`process in ${this.constructor.name}`);
     }
 
     runTask() {
@@ -176,36 +177,36 @@ Signals.addSignalMethods(Batch.prototype);
 
 var ConcurrentBatch = class extends Batch {
     process() {
-       let hold = this.runTask();
+        let hold = this.runTask();
 
-       if (hold) {
-           this.hold.acquireUntilAfter(hold);
-       }
+        if (hold) {
+            this.hold.acquireUntilAfter(hold);
+        }
 
-       // Regardless of the state of the just run task,
-       // fire off the next one, so all the tasks can run
-       // concurrently.
-       this.nextTask();
+        // Regardless of the state of the just run task,
+        // fire off the next one, so all the tasks can run
+        // concurrently.
+        this.nextTask();
     }
 };
 Signals.addSignalMethods(ConcurrentBatch.prototype);
 
 var ConsecutiveBatch = class extends Batch {
     process() {
-       let hold = this.runTask();
+        let hold = this.runTask();
 
-       if (hold && hold.isAcquired()) {
-           // This task is inhibiting the batch. Wait on it
-           // before processing the next one.
-           let signalId = hold.connect('release', () => {
-               hold.disconnect(signalId);
-               this.nextTask();
-           });
-           return;
-       } else {
-           // This task finished, process the next one
-           this.nextTask();
-       }
+        if (hold && hold.isAcquired()) {
+            // This task is inhibiting the batch. Wait on it
+            // before processing the next one.
+            let signalId = hold.connect('release', () => {
+                hold.disconnect(signalId);
+                this.nextTask();
+            });
+            return;
+        } else {
+            // This task finished, process the next one
+            this.nextTask();
+        }
     }
 };
 Signals.addSignalMethods(ConsecutiveBatch.prototype);

js/gdm/fingerprint.js

@@ -23,8 +23,8 @@ function FprintManager() {
 
     try {
         self.init(null);
-    } catch(e) {
-        log('Failed to connect to Fprint service: ' + e.message);
+    } catch (e) {
+        log(`Failed to connect to Fprint service: ${e.message}`);
         return null;
     }
 

js/gdm/loginDialog.js

@@ -43,7 +43,7 @@ var UserListItem = class {
     constructor(user) {
         this.user = user;
         this._userChangedId = this.user.connect('changed',
-                                                 this._onUserChanged.bind(this));
+                                                this._onUserChanged.bind(this));
 
         let layout = new St.BoxLayout({ vertical: true });
         this.actor = new St.Button({ style_class: 'login-dialog-user-list-item',
@@ -150,7 +150,7 @@ Signals.addSignalMethods(UserListItem.prototype);
 
 var UserList = class {
     constructor() {
-        this.actor = new St.ScrollView({ style_class: 'login-dialog-user-list-view'});
+        this.actor = new St.ScrollView({ style_class: 'login-dialog-user-list-view' });
         this.actor.set_policy(St.PolicyType.NEVER,
                               St.PolicyType.AUTOMATIC);
 
@@ -187,8 +187,6 @@ var UserList = class {
     }
 
     updateStyle(isExpanded) {
-        let tasks = [];
-
         if (isExpanded)
             this._box.add_style_pseudo_class('expanded');
         else
@@ -244,7 +242,7 @@ var UserList = class {
             return;
 
         if (user.locked)
-           return;
+            return;
 
         let userName = user.get_user_name();
 
@@ -261,7 +259,7 @@ var UserList = class {
         item.connect('activate', this._onItemActivated.bind(this));
 
         // Try to keep the focused item front-and-center
-        item.actor.connect('key-focus-in', () => { this.scrollToItem(item); });
+        item.actor.connect('key-focus-in', () => this.scrollToItem(item));
 
         this._moveFocusToItems();
 
@@ -319,17 +317,17 @@ var SessionMenuButton = class {
         this._menu.actor.hide();
 
         this._menu.connect('open-state-changed', (menu, isOpen) => {
-             if (isOpen)
-                 this._button.add_style_pseudo_class('active');
-             else
-                 this._button.remove_style_pseudo_class('active');
+            if (isOpen)
+                this._button.add_style_pseudo_class('active');
+            else
+                this._button.remove_style_pseudo_class('active');
         });
 
-        this._manager = new PopupMenu.PopupMenuManager({ actor: this._button },
+        this._manager = new PopupMenu.PopupMenuManager(this._button,
                                                        { actionMode: Shell.ActionMode.NONE });
         this._manager.addMenu(this._menu);
 
-        this._button.connect('clicked', () => { this._menu.toggle(); });
+        this._button.connect('clicked', () => this._menu.toggle());
 
         this._items = {};
         this._activeSessionId = null;
@@ -353,11 +351,11 @@ var SessionMenuButton = class {
     }
 
     setActiveSession(sessionId) {
-         if (sessionId == this._activeSessionId)
-             return;
+        if (sessionId == this._activeSessionId)
+            return;
 
-         this._activeSessionId = sessionId;
-         this._updateOrnament();
+        this._activeSessionId = sessionId;
+        this._updateOrnament();
     }
 
     close() {
@@ -403,18 +401,18 @@ var LoginDialog = GObject.registerClass({
         this.connect('destroy', this._onDestroy.bind(this));
         parentActor.add_child(this);
 
-        this._userManager = AccountsService.UserManager.get_default()
+        this._userManager = AccountsService.UserManager.get_default();
         this._gdmClient = new Gdm.Client();
 
         this._settings = new Gio.Settings({ schema_id: GdmUtil.LOGIN_SCREEN_SCHEMA });
 
-        this._settings.connect('changed::' + GdmUtil.BANNER_MESSAGE_KEY,
+        this._settings.connect(`changed::${GdmUtil.BANNER_MESSAGE_KEY}`,
                                this._updateBanner.bind(this));
-        this._settings.connect('changed::' + GdmUtil.BANNER_MESSAGE_TEXT_KEY,
+        this._settings.connect(`changed::${GdmUtil.BANNER_MESSAGE_TEXT_KEY}`,
                                this._updateBanner.bind(this));
-        this._settings.connect('changed::' + GdmUtil.DISABLE_USER_LIST_KEY,
+        this._settings.connect(`changed::${GdmUtil.DISABLE_USER_LIST_KEY}`,
                                this._updateDisableUserList.bind(this));
-        this._settings.connect('changed::' + GdmUtil.LOGO_KEY,
+        this._settings.connect(`changed::${GdmUtil.LOGO_KEY}`,
                                this._updateLogo.bind(this));
 
         this._textureCache = St.TextureCache.get_default();
@@ -575,19 +573,15 @@ var LoginDialog = GObject.registerClass({
         // First find out what space the children require
         let bannerAllocation = null;
         let bannerHeight = 0;
-        let bannerWidth = 0;
         if (this._bannerView.visible) {
             bannerAllocation = this._getBannerAllocation(dialogBox, this._bannerView);
             bannerHeight = bannerAllocation.y2 - bannerAllocation.y1;
-            bannerWidth = bannerAllocation.x2 - bannerAllocation.x1;
         }
 
         let authPromptAllocation = null;
-        let authPromptHeight = 0;
         let authPromptWidth = 0;
         if (this._authPrompt.actor.visible) {
             authPromptAllocation = this._getCenterActorAllocation(dialogBox, this._authPrompt.actor);
-            authPromptHeight = authPromptAllocation.y2 - authPromptAllocation.y1;
             authPromptWidth = authPromptAllocation.x2 - authPromptAllocation.x1;
         }
 
@@ -619,64 +613,64 @@ var LoginDialog = GObject.registerClass({
             let leftOverYSpace = bannerSpace - bannerHeight;
 
             if (leftOverYSpace > 0) {
-                 // First figure out how much left over space is up top
-                 let leftOverTopSpace = leftOverYSpace / 2;
+                // First figure out how much left over space is up top
+                let leftOverTopSpace = leftOverYSpace / 2;
 
-                 // Then, shift the banner into the middle of that extra space
-                 let yShift = Math.floor(leftOverTopSpace / 2);
+                // Then, shift the banner into the middle of that extra space
+                let yShift = Math.floor(leftOverTopSpace / 2);
 
-                 bannerAllocation.y1 += yShift;
-                 bannerAllocation.y2 += yShift;
+                bannerAllocation.y1 += yShift;
+                bannerAllocation.y2 += yShift;
             } else {
-                 // Then figure out how much space there would be if we switched to a
-                 // wide layout with banner on one side and authprompt on the other.
-                 let leftOverXSpace = dialogWidth - authPromptWidth;
+                // Then figure out how much space there would be if we switched to a
+                // wide layout with banner on one side and authprompt on the other.
+                let leftOverXSpace = dialogWidth - authPromptWidth;
 
-                 // In a wide view, half of the available space goes to the banner,
-                 // and the other half goes to the margins.
-                 let wideBannerWidth = leftOverXSpace / 2;
-                 let wideSpacing  = leftOverXSpace - wideBannerWidth;
+                // In a wide view, half of the available space goes to the banner,
+                // and the other half goes to the margins.
+                let wideBannerWidth = leftOverXSpace / 2;
+                let wideSpacing  = leftOverXSpace - wideBannerWidth;
 
-                 // If we do go with a wide layout, we need there to be at least enough
-                 // space for the banner and the auth prompt to be the same width,
-                 // so it doesn't look unbalanced.
-                 if (authPromptWidth > 0 && wideBannerWidth > authPromptWidth) {
-                     let centerX = dialogBox.x1 + dialogWidth / 2;
-                     let centerY = dialogBox.y1 + dialogHeight / 2;
+                // If we do go with a wide layout, we need there to be at least enough
+                // space for the banner and the auth prompt to be the same width,
+                // so it doesn't look unbalanced.
+                if (authPromptWidth > 0 && wideBannerWidth > authPromptWidth) {
+                    let centerX = dialogBox.x1 + dialogWidth / 2;
+                    let centerY = dialogBox.y1 + dialogHeight / 2;
 
-                     // A small portion of the spacing goes down the center of the
-                     // screen to help delimit the two columns of the wide view
-                     let centerGap = wideSpacing / 8;
+                    // A small portion of the spacing goes down the center of the
+                    // screen to help delimit the two columns of the wide view
+                    let centerGap = wideSpacing / 8;
 
-                     // place the banner along the left edge of the center margin
-                     bannerAllocation.x2 = Math.floor(centerX - centerGap / 2);
-                     bannerAllocation.x1 = Math.floor(bannerAllocation.x2 - wideBannerWidth);
+                    // place the banner along the left edge of the center margin
+                    bannerAllocation.x2 = Math.floor(centerX - centerGap / 2);
+                    bannerAllocation.x1 = Math.floor(bannerAllocation.x2 - wideBannerWidth);
 
-                     // figure out how tall it would like to be and try to accomodate
-                     // but don't let it get too close to the logo
-                     let [wideMinHeight, wideBannerHeight] = this._bannerView.get_preferred_height(wideBannerWidth);
+                    // figure out how tall it would like to be and try to accommodate
+                    // but don't let it get too close to the logo
+                    let [wideMinHeight, wideBannerHeight] = this._bannerView.get_preferred_height(wideBannerWidth);
 
-                     let maxWideHeight = dialogHeight - 3 * logoHeight;
-                     wideBannerHeight = Math.min(maxWideHeight, wideBannerHeight);
-                     bannerAllocation.y1 = Math.floor(centerY - wideBannerHeight / 2);
-                     bannerAllocation.y2 = bannerAllocation.y1 + wideBannerHeight;
+                    let maxWideHeight = dialogHeight - 3 * logoHeight;
+                    wideBannerHeight = Math.min(maxWideHeight, wideBannerHeight);
+                    bannerAllocation.y1 = Math.floor(centerY - wideBannerHeight / 2);
+                    bannerAllocation.y2 = bannerAllocation.y1 + wideBannerHeight;
 
-                     // place the auth prompt along the right edge of the center margin
-                     authPromptAllocation.x1 = Math.floor(centerX + centerGap / 2);
-                     authPromptAllocation.x2 = authPromptAllocation.x1 + authPromptWidth;
-                 } else {
-                     // If we aren't going to do a wide view, then we need to limit
-                     // the height of the banner so it will present scrollbars
+                    // place the auth prompt along the right edge of the center margin
+                    authPromptAllocation.x1 = Math.floor(centerX + centerGap / 2);
+                    authPromptAllocation.x2 = authPromptAllocation.x1 + authPromptWidth;
+                } else {
+                    // If we aren't going to do a wide view, then we need to limit
+                    // the height of the banner so it will present scrollbars
 
-                     // First figure out how much space there is without the banner
-                     leftOverYSpace += bannerHeight;
+                    // First figure out how much space there is without the banner
+                    leftOverYSpace += bannerHeight;
 
-                     // Then figure out how much of that space is up top
-                     let availableTopSpace = Math.floor(leftOverYSpace / 2);
+                    // Then figure out how much of that space is up top
+                    let availableTopSpace = Math.floor(leftOverYSpace / 2);
 
-                     // Then give all of that space to the banner
-                     bannerAllocation.y2 = bannerAllocation.y1 + availableTopSpace;
-                 }
+                    // Then give all of that space to the banner
+                    bannerAllocation.y2 = bannerAllocation.y1 + availableTopSpace;
+                }
             }
         } else if (userSelectionAllocation) {
             // Grow the user list to fill the space
@@ -851,10 +845,10 @@ var LoginDialog = GObject.registerClass({
     _shouldShowSessionMenuButton() {
         if (this._authPrompt.verificationStatus != AuthPrompt.AuthPromptStatus.VERIFYING &&
             this._authPrompt.verificationStatus != AuthPrompt.AuthPromptStatus.VERIFICATION_FAILED)
-          return false;
+            return false;
 
         if (this._user && this._user.is_loaded && this._user.is_logged_in())
-          return false;
+            return false;
 
         return true;
     }
@@ -919,7 +913,7 @@ var LoginDialog = GObject.registerClass({
                          { opacity: 255,
                            time: _FADE_ANIMATION_TIME,
                            transition: 'easeOutQuad',
-                           onUpdate() {
+                           onUpdate: () => {
                                let children = Main.layoutManager.uiGroup.get_children();
 
                                for (let i = 0; i < children.length; i++) {
@@ -927,12 +921,10 @@ var LoginDialog = GObject.registerClass({
                                        children[i].opacity = this.opacity;
                                }
                            },
-                           onUpdateScope: this,
-                           onComplete() {
+                           onComplete: () => {
                                if (this._authPrompt.verificationStatus != AuthPrompt.AuthPromptStatus.NOT_VERIFYING)
                                    this._authPrompt.reset();
-                           },
-                           onCompleteScope: this });
+                           } });
     }
 
     _gotGreeterSessionProxy(proxy) {
@@ -949,7 +941,7 @@ var LoginDialog = GObject.registerClass({
                          { opacity: 0,
                            time: _FADE_ANIMATION_TIME,
                            transition: 'easeOutQuad',
-                           onUpdate() {
+                           onUpdate: () => {
                                let children = Main.layoutManager.uiGroup.get_children();
 
                                for (let i = 0; i < children.length; i++) {
@@ -957,22 +949,20 @@ var LoginDialog = GObject.registerClass({
                                        children[i].opacity = this.opacity;
                                }
                            },
-                           onUpdateScope: this,
-                           onComplete() {
+                           onComplete: () => {
                                this._greeter.call_start_session_when_ready_sync(serviceName, true, null);
-                           },
-                           onCompleteScope: this });
+                           } });
     }
 
     _onSessionOpened(client, serviceName) {
-        this._authPrompt.finish(() => { this._startSession(serviceName); });
+        this._authPrompt.finish(() => this._startSession(serviceName));
     }
 
     _waitForItemForUser(userName) {
         let item = this._userList.getItemFromUserName(userName);
 
         if (item)
-          return null;
+            return null;
 
         let hold = new Batch.Hold();
         let signalId = this._userList.connect('item-added',
@@ -983,7 +973,7 @@ var LoginDialog = GObject.registerClass({
                     hold.release();
             });
 
-        hold.connect('release', () => { this._userList.disconnect(signalId); });
+        hold.connect('release', () => this._userList.disconnect(signalId));
 
         return hold;
     }
@@ -1047,6 +1037,7 @@ var LoginDialog = GObject.registerClass({
                              return this._blockTimedLoginUntilIdle();
                          } else {
                              animationTime = delay;
+                             return null;
                          }
                      },
 
@@ -1082,12 +1073,12 @@ var LoginDialog = GObject.registerClass({
 
         // Restart timed login on user interaction
         global.stage.connect('captured-event', (actor, event) => {
-           if (event.type() == Clutter.EventType.KEY_PRESS ||
+            if (event.type() == Clutter.EventType.KEY_PRESS ||
                event.type() == Clutter.EventType.BUTTON_PRESS) {
-               this._startTimedLogin(userName, seconds);
-           }
+                this._startTimedLogin(userName, seconds);
+            }
 
-           return Clutter.EVENT_PROPAGATE;
+            return Clutter.EVENT_PROPAGATE;
         });
     }
 

js/gdm/realmd.js

@@ -19,7 +19,7 @@ var Manager = class {
         this._aggregateProvider = Provider(Gio.DBus.system,
                                            'org.freedesktop.realmd',
                                            '/org/freedesktop/realmd',
-                                           this._reloadRealms.bind(this))
+                                           this._reloadRealms.bind(this));
         this._realms = {};
 
         this._signalId = this._aggregateProvider.connect('g-properties-changed',
@@ -36,10 +36,10 @@ var Manager = class {
             return;
 
         for (let i = 0; i < realmPaths.length; i++) {
-            let realm = Realm(Gio.DBus.system,
-                              'org.freedesktop.realmd',
-                              realmPaths[i],
-                              this._onRealmLoaded.bind(this));
+            Realm(Gio.DBus.system,
+                  'org.freedesktop.realmd',
+                  realmPaths[i],
+                  this._onRealmLoaded.bind(this));
         }
     }
 
@@ -98,10 +98,10 @@ var Manager = class {
         Service(Gio.DBus.system,
                 'org.freedesktop.realmd',
                 '/org/freedesktop/realmd',
-                service => { service.ReleaseRemote(); });
+                service => service.ReleaseRemote());
         this._aggregateProvider.disconnect(this._signalId);
         this._realms = { };
         this._updateLoginFormat();
     }
 };
-Signals.addSignalMethods(Manager.prototype)
+Signals.addSignalMethods(Manager.prototype);

js/gdm/util.js

@@ -30,7 +30,7 @@ var LOGO_KEY = 'logo';
 var DISABLE_USER_LIST_KEY = 'disable-user-list';
 
 // Give user 48ms to read each character of a PAM message
-var USER_READ_TIME = 48
+var USER_READ_TIME = 48;
 
 var MessageType = {
     NONE: 0,
@@ -342,7 +342,7 @@ var ShellUserVerifier = class {
         try {
             this._clearUserVerifier();
             this._userVerifier = client.open_reauthentication_channel_finish(result);
-        } catch(e) {
+        } catch (e) {
             if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
                 return;
             if (e.matches(Gio.DBusError, Gio.DBusError.ACCESS_DENIED) &&
@@ -369,7 +369,7 @@ var ShellUserVerifier = class {
         try {
             this._clearUserVerifier();
             this._userVerifier = client.get_user_verifier_finish(result);
-        } catch(e) {
+        } catch (e) {
             if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
                 return;
             this._reportInitError('Failed to obtain user verifier', e);
@@ -423,36 +423,31 @@ var ShellUserVerifier = class {
     _startService(serviceName) {
         this._hold.acquire();
         if (this._userName) {
-           this._userVerifier.call_begin_verification_for_user(serviceName,
-                                                               this._userName,
-                                                               this._cancellable,
-                                                               (obj, result) => {
-               try {
-                   obj.call_begin_verification_for_user_finish(result);
-               } catch(e) {
-                   if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
-                       return;
-                   this._reportInitError('Failed to start verification for user', e);
-                   return;
-               }
+            this._userVerifier.call_begin_verification_for_user(serviceName, this._userName, this._cancellable, (obj, result) => {
+                try {
+                    obj.call_begin_verification_for_user_finish(result);
+                } catch (e) {
+                    if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                        return;
+                    this._reportInitError('Failed to start verification for user', e);
+                    return;
+                }
 
-               this._hold.release();
-           });
+                this._hold.release();
+            });
         } else {
-           this._userVerifier.call_begin_verification(serviceName,
-                                                      this._cancellable,
-                                                      (obj, result) => {
-               try {
-                   obj.call_begin_verification_finish(result);
-               } catch(e) {
-                   if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
-                       return;
-                   this._reportInitError('Failed to start verification', e);
-                   return;
-               }
+            this._userVerifier.call_begin_verification(serviceName, this._cancellable, (obj, result) => {
+                try {
+                    obj.call_begin_verification_finish(result);
+                } catch (e) {
+                    if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                        return;
+                    this._reportInitError('Failed to start verification', e);
+                    return;
+                }
 
-               this._hold.release();
-           });
+                this._hold.release();
+            });
         }
     }
 

js/js-resources.gresource.xml

@@ -64,6 +64,7 @@
     <file>ui/keyboard.js</file>
     <file>ui/layout.js</file>
     <file>ui/lightbox.js</file>
+    <file>ui/locatePointer.js</file>
     <file>ui/lookingGlass.js</file>
     <file>ui/magnifier.js</file>
     <file>ui/magnifierDBus.js</file>
@@ -81,9 +82,11 @@
     <file>ui/pageIndicators.js</file>
     <file>ui/panel.js</file>
     <file>ui/panelMenu.js</file>
+    <file>ui/pointerA11yTimeout.js</file>
     <file>ui/pointerWatcher.js</file>
     <file>ui/popupMenu.js</file>
     <file>ui/remoteSearch.js</file>
+    <file>ui/ripples.js</file>
     <file>ui/runDialog.js</file>
     <file>ui/screenShield.js</file>
     <file>ui/screencast.js</file>
@@ -120,6 +123,7 @@
 
     <file>ui/status/accessibility.js</file>
     <file>ui/status/brightness.js</file>
+    <file>ui/status/dwellClick.js</file>
     <file>ui/status/location.js</file>
     <file>ui/status/keyboard.js</file>
     <file>ui/status/nightLight.js</file>

js/misc/extensionUtils.js

@@ -31,7 +31,7 @@ function getCurrentExtension() {
     // Search for an occurrence of an extension stack frame
     // Start at 1 because 0 is the stack frame of this function
     for (let i = 1; i < stack.length; i++) {
-        if (stack[i].indexOf('/gnome-shell/extensions/') > -1) {
+        if (stack[i].includes('/gnome-shell/extensions/')) {
             extensionStackLine = stack[i];
             break;
         }
@@ -162,8 +162,6 @@ function isOutOfDate(extension) {
 }
 
 function createExtensionObject(uuid, dir, type) {
-    let info;
-
     let metadataFile = dir.get_child('metadata.json');
     if (!metadataFile.query_exists(null)) {
         throw new Error('Missing metadata.json');
@@ -175,25 +173,25 @@ function createExtensionObject(uuid, dir, type) {
         if (metadataContents instanceof Uint8Array)
             metadataContents = imports.byteArray.toString(metadataContents);
     } catch (e) {
-        throw new Error('Failed to load metadata.json: ' + e);
+        throw new Error(`Failed to load metadata.json: ${e}`);
     }
     let meta;
     try {
         meta = JSON.parse(metadataContents);
     } catch (e) {
-        throw new Error('Failed to parse metadata.json: ' + e);
+        throw new Error(`Failed to parse metadata.json: ${e}`);
     }
 
     let requiredProperties = ['uuid', 'name', 'description', 'shell-version'];
     for (let i = 0; i < requiredProperties.length; i++) {
         let prop = requiredProperties[i];
         if (!meta[prop]) {
-            throw new Error('missing "' + prop + '" property in metadata.json');
+            throw new Error(`missing "${prop}" property in metadata.json`);
         }
     }
 
     if (uuid != meta.uuid) {
-        throw new Error('uuid "' + meta.uuid + '" from metadata.json does not match directory name "' + uuid + '"');
+        throw new Error(`uuid "${meta.uuid}" from metadata.json does not match directory name "${uuid}"`);
     }
 
     let extension = {};
@@ -237,7 +235,7 @@ var ExtensionFinder = class {
                                                        : ExtensionType.SYSTEM;
         try {
             extension = createExtensionObject(uuid, extensionDir, type);
-        } catch(e) {
+        } catch (e) {
             logError(e, 'Could not load extension %s'.format(uuid));
             return;
         }

js/misc/fileUtils.js

@@ -36,7 +36,7 @@ function recursivelyDeleteDir(dir, deleteParent) {
     let children = dir.enumerate_children('standard::name,standard::type',
                                           Gio.FileQueryInfoFlags.NONE, null);
 
-    let info, child;
+    let info;
     while ((info = children.next_file(null)) != null) {
         let type = info.get_file_type();
         let child = dir.get_child(info.get_name());
@@ -57,7 +57,7 @@ function recursivelyMoveDir(srcDir, destDir) {
     if (!destDir.query_exists(null))
         destDir.make_directory_with_parents(null);
 
-    let info, child;
+    let info;
     while ((info = children.next_file(null)) != null) {
         let type = info.get_file_type();
         let srcChild = srcDir.get_child(info.get_name());
@@ -86,11 +86,11 @@ function loadInterfaceXML(iface) {
     try {
         let [ok, bytes] = f.load_contents(null);
         if (bytes instanceof Uint8Array)
-            xml = imports.byteArray.toString(bytes)
+            xml = imports.byteArray.toString(bytes);
         else
             xml = bytes.toString();
     } catch (e) {
-        log('Failed to load D-Bus interface ' + iface);
+        log(`Failed to load D-Bus interface ${iface}`);
     }
 
     return xml;

js/misc/history.js

@@ -18,7 +18,7 @@ var HistoryManager = class {
         this._historyIndex = 0;
         if (this._key) {
             this._history = global.settings.get_strv(this._key);
-            global.settings.connect('changed::' + this._key,
+            global.settings.connect(`changed::${this._key}`,
                                     this._historyChanged.bind(this));
 
         } else {
@@ -66,7 +66,7 @@ var HistoryManager = class {
             this._indexChanged();
         }
 
-        return this._historyIndex ? this._history[this._historyIndex -1] : null;
+        return this._historyIndex ? this._history[this._historyIndex - 1] : null;
     }
 
     addItem(input) {

js/misc/ibusManager.js

@@ -42,7 +42,7 @@ var IBusManager = class {
         this._candidatePopup = new IBusCandidatePopup.CandidatePopup();
 
         this._panelService = null;
-        this._engines = {};
+        this._engines = new Map();
         this._ready = false;
         this._registerPropertiesId = 0;
         this._currentEngineName = null;
@@ -62,8 +62,8 @@ var IBusManager = class {
         try {
             Gio.Subprocess.new(['ibus-daemon', '--xim', '--panel', 'disable'],
                                Gio.SubprocessFlags.NONE);
-        } catch(e) {
-            log('Failed to launch ibus-daemon: ' + e.message);
+        } catch (e) {
+            log(`Failed to launch ibus-daemon: ${e.message}`);
         }
     }
 
@@ -73,7 +73,7 @@ var IBusManager = class {
 
         this._panelService = null;
         this._candidatePopup.setPanelService(null);
-        this._engines = {};
+        this._engines.clear();
         this._ready = false;
         this._registerPropertiesId = 0;
         this._currentEngineName = null;
@@ -96,7 +96,7 @@ var IBusManager = class {
         if (enginesList) {
             for (let i = 0; i < enginesList.length; ++i) {
                 let name = enginesList[i].get_name();
-                this._engines[name] = enginesList[i];
+                this._engines.set(name, enginesList[i]);
             }
             this._updateReadiness();
         } else {
@@ -119,7 +119,7 @@ var IBusManager = class {
                 if (!GLib.str_has_suffix(path, '/InputContext_1'))
                     this.emit ('focus-in');
             });
-            this._panelService.connect('focus-out', () => { this.emit('focus-out'); });
+            this._panelService.connect('focus-out', () => this.emit('focus-out'));
 
             try {
                 // IBus versions older than 1.5.10 have a bug which
@@ -138,7 +138,7 @@ var IBusManager = class {
                     engine = this._ibus.get_global_engine_async_finish(result);
                     if (!engine)
                         return;
-                } catch(e) {
+                } catch (e) {
                     return;
                 }
                 this._engineChanged(this._ibus, engine.get_name());
@@ -150,8 +150,7 @@ var IBusManager = class {
     }
 
     _updateReadiness() {
-        this._ready = (Object.keys(this._engines).length > 0 &&
-                       this._panelService != null);
+        this._ready = this._engines.size > 0 && this._panelService != null;
         this.emit('ready', this._ready);
     }
 
@@ -189,10 +188,10 @@ var IBusManager = class {
     }
 
     getEngineDesc(id) {
-        if (!this._ready || !this._engines.hasOwnProperty(id))
+        if (!this._ready || !this._engines.has(id))
             return null;
 
-        return this._engines[id];
+        return this._engines.get(id);
     }
 
     setEngine(id, callback) {

js/misc/inputMethod.js

@@ -74,7 +74,7 @@ class InputMethod extends Clutter.InputMethod {
         this._context = null;
         this._hints = 0;
         this._purpose = 0;
-        this._preeditStr = ''
+        this._preeditStr = '';
         this._preeditPos = 0;
         this._preeditVisible = false;
     }
@@ -262,7 +262,7 @@ class InputMethod extends Clutter.InputMethod {
                                                       let retval = context.process_key_event_async_finish(res);
                                                       this.notify_key_event(event, retval);
                                                   } catch (e) {
-                                                      log('Error processing key on IM: ' + e.message);
+                                                      log(`Error processing key on IM: ${e.message}`);
                                                   }
                                               });
         return true;

js/misc/introspect.js

@@ -42,17 +42,20 @@ var IntrospectService = class {
     }
 
     _isStandaloneApp(app) {
-        let windows = app.get_windows();
-
         return app.get_windows().some(w => w.transient_for == null);
     }
 
     _isIntrospectEnabled() {
-       return this._settings.get_boolean(INTROSPECT_KEY);
+        return this._settings.get_boolean(INTROSPECT_KEY);
     }
 
     _isSenderWhitelisted(sender) {
-       return APP_WHITELIST.includes(sender);
+        return APP_WHITELIST.includes(sender);
+    }
+
+    _getSandboxedAppId(app) {
+        let ids = app.get_windows().map(w => w.get_sandboxed_app_id());
+        return ids.find(id => id != null);
     }
 
     _syncRunningApplications() {
@@ -76,6 +79,10 @@ var IntrospectService = class {
                 newActiveApplication = app.get_id();
             }
 
+            let sandboxedAppId = this._getSandboxedAppId(app);
+            if (sandboxedAppId)
+                appInfo['sandboxed-app-id'] = new GLib.Variant('s', sandboxedAppId);
+
             newRunningApplications[app.get_id()] = appInfo;
         }
 
@@ -137,6 +144,7 @@ var IntrospectService = class {
                 let frameRect = window.get_frame_rect();
                 let title = window.get_title();
                 let wmClass = window.get_wm_class();
+                let sandboxedAppId = window.get_sandboxed_app_id();
 
                 windowsList[windowId] = {
                     'app-id': GLib.Variant.new('s', app.get_id()),
@@ -153,6 +161,10 @@ var IntrospectService = class {
 
                 if (wmClass != null)
                     windowsList[windowId]['wm-class'] = GLib.Variant.new('s', wmClass);
+
+                if (sandboxedAppId != null)
+                    windowsList[windowId]['sandboxed-app-id'] =
+                        GLib.Variant.new('s', sandboxedAppId);
             }
         }
         invocation.return_value(new GLib.Variant('(a{ta{sv}})', [windowsList]));

js/misc/jsParse.js

@@ -51,14 +51,14 @@ function getCompletions(text, commandHeader, globalCompletionList) {
 // if we encounter anything that isn't a letter, '.', ')', or ']',
 // we should stop parsing.
 function isStopChar(c) {
-    return !c.match(/[\w\.\)\]]/);
+    return !c.match(/[\w.)\]]/);
 }
 
 // Given the ending position of a quoted string, find where it starts
 function findMatchingQuote(expr, offset) {
     let quoteChar = expr.charAt(offset);
     for (let i = offset - 1; i >= 0; --i) {
-        if (expr.charAt(i) == quoteChar && expr.charAt(i-1) != '\\'){
+        if (expr.charAt(i) == quoteChar && expr.charAt(i - 1) != '\\') {
             return i;
         }
     }
@@ -68,7 +68,7 @@ function findMatchingQuote(expr, offset) {
 // Given the ending position of a regex, find where it starts
 function findMatchingSlash(expr, offset) {
     for (let i = offset - 1; i >= 0; --i) {
-        if (expr.charAt(i) == '/' && expr.charAt(i-1) != '\\'){
+        if (expr.charAt(i) == '/' && expr.charAt(i - 1) != '\\') {
             return i;
         }
     }
@@ -81,7 +81,7 @@ function findMatchingSlash(expr, offset) {
 // findMatchingBrace("[(])", 3) returns 1.
 function findMatchingBrace(expr, offset) {
     let closeBrace = expr.charAt(offset);
-    let openBrace = ({')': '(', ']': '['})[closeBrace];
+    let openBrace = ({ ')': '(', ']': '[' })[closeBrace];
 
     function findTheBrace(expr, offset) {
         if (offset < 0) {
@@ -117,11 +117,11 @@ function getExpressionOffset(expr, offset) {
     while (offset >= 0) {
         let currChar = expr.charAt(offset);
 
-        if (isStopChar(currChar)){
+        if (isStopChar(currChar)) {
             return offset + 1;
         }
 
-        if (currChar.match(/[\)\]]/)) {
+        if (currChar.match(/[)\]]/)) {
             offset = findMatchingBrace(expr, offset);
         }
 
@@ -159,7 +159,7 @@ function getPropertyNamesFromExpression(expr, commandHeader) {
     let obj = {};
     if (!isUnsafeExpression(expr)) {
         try {
-                obj = eval(commandHeader + expr);
+            obj = eval(commandHeader + expr);
         } catch (e) {
             return [];
         }
@@ -168,7 +168,7 @@ function getPropertyNamesFromExpression(expr, commandHeader) {
     }
 
     let propsUnique = {};
-    if (typeof obj === 'object'){
+    if (typeof obj === 'object') {
         let allProps = getAllProps(obj);
         // Get only things we are allowed to complete following a '.'
         allProps = allProps.filter( isValidPropertyName );

js/misc/keyboardManager.js

@@ -60,7 +60,7 @@ var KeyboardManager = class {
             this._currentKeymap.options == options)
             return;
 
-        this._currentKeymap = {layouts, variants, options};
+        this._currentKeymap = { layouts, variants, options };
         Meta.get_backend().set_keymap(layouts, variants, options);
     }
 
@@ -125,7 +125,7 @@ var KeyboardManager = class {
 
     _getLocaleLayout() {
         let locale = GLib.get_language_names()[0];
-        if (locale.indexOf('_') == -1)
+        if (!locale.includes('_'))
             locale = DEFAULT_LOCALE;
 
         let [found, , id] = GnomeDesktop.get_input_source_from_locale(locale);

js/misc/loginManager.js

@@ -43,11 +43,33 @@ function canLock() {
 
         let version = result.deep_unpack()[0].deep_unpack();
         return haveSystemd() && versionCompare('3.5.91', version);
-    } catch(e) {
+    } catch (e) {
         return false;
     }
 }
 
+
+function registerSessionWithGDM() {
+    log("Registering session with GDM");
+    Gio.DBus.system.call('org.gnome.DisplayManager',
+                         '/org/gnome/DisplayManager/Manager',
+                         'org.gnome.DisplayManager.Manager',
+                         'RegisterSession',
+                         GLib.Variant.new('(a{sv})', [{}]), null,
+                         Gio.DBusCallFlags.NONE, -1, null,
+        (source, result) => {
+            try {
+                source.call_finish(result);
+            } catch (e) {
+                if (!e.matches(Gio.DBusError, Gio.DBusError.UNKNOWN_METHOD))
+                    log(`Error registering session with GDM: ${e.message}`);
+                else
+                    log("Not calling RegisterSession(): method not exported, GDM too old?");
+            }
+        }
+    );
+}
+
 let _loginManager = null;
 
 /**
@@ -163,7 +185,7 @@ var LoginManagerSystemd = class {
                     let [outVariant, fdList] = proxy.call_with_unix_fd_list_finish(result);
                     fd = fdList.steal_fds()[0];
                     callback(new Gio.UnixInputStream({ fd: fd }));
-                } catch(e) {
+                } catch (e) {
                     logError(e, "Error getting systemd inhibitor");
                     callback(null);
                 }

js/misc/modemManager.js

@@ -26,33 +26,33 @@ function _getMobileProvidersDatabase() {
 }
 
 // _findProviderForMccMnc:
-// @operator_name: operator name
-// @operator_code: operator code
+// @operatorName: operator name
+// @operatorCode: operator code
 //
 // Given an operator name string (which may not be a real operator name) and an
 // operator code string, tries to find a proper operator name to display.
 //
-function _findProviderForMccMnc(operator_name, operator_code) {
-    if (operator_name) {
-        if (operator_name.length != 0 &&
-            (operator_name.length > 6 || operator_name.length < 5)) {
+function _findProviderForMccMnc(operatorName, operatorCode) {
+    if (operatorName) {
+        if (operatorName.length != 0 &&
+            (operatorName.length > 6 || operatorName.length < 5)) {
             // this looks like a valid name, i.e. not an MCCMNC (that some
             // devices return when not yet connected
-            return operator_name;
+            return operatorName;
         }
 
-        if (isNaN(parseInt(operator_name))) {
+        if (isNaN(parseInt(operatorName))) {
             // name is definitely not a MCCMNC, so it may be a name
             // after all; return that
-            return operator_name;
+            return operatorName;
         }
     }
 
     let needle;
-    if ((!operator_name || operator_name.length == 0) && operator_code)
-        needle = operator_code;
-    else if (operator_name && (operator_name.length == 6 || operator_name.length == 5))
-        needle = operator_name;
+    if ((!operatorName || operatorName.length == 0) && operatorCode)
+        needle = operatorCode;
+    else if (operatorName && (operatorName.length == 6 || operatorName.length == 5))
+        needle = operatorName;
     else // nothing to search
         return null;
 
@@ -71,7 +71,7 @@ function _findProviderForMccMnc(operator_name, operator_code) {
 // Tries to find the operator name corresponding to the given SID
 //
 function _findProviderForSid(sid) {
-    if (sid == 0)
+    if (!sid)
         return null;
 
     let mpd = _getMobileProvidersDatabase();
@@ -173,7 +173,7 @@ var ModemCdma = class {
             } else {
                 let [bandClass, band, sid] = result;
 
-                this.operator_name = _findProviderForSid(sid)
+                this.operator_name = _findProviderForSid(sid);
             }
             this.emit('notify::operator-name');
         });
@@ -230,17 +230,17 @@ var BroadbandModem = class {
     }
 
     _reloadOperatorName() {
-        let new_name = "";
+        let newName = "";
         if (this.operator_name_3gpp && this.operator_name_3gpp.length > 0)
-            new_name += this.operator_name_3gpp;
+            newName += this.operator_name_3gpp;
 
         if (this.operator_name_cdma && this.operator_name_cdma.length > 0) {
-            if (new_name != "")
-                new_name += ", ";
-            new_name += this.operator_name_cdma;
+            if (newName != "")
+                newName += ", ";
+            newName += this.operator_name_cdma;
         }
 
-        this.operator_name = new_name;
+        this.operator_name = newName;
         this.emit('notify::operator-name');
     }
 

js/misc/objectManager.js

@@ -77,54 +77,51 @@ var ObjectManager = class {
         let info = this._interfaceInfos[interfaceName];
 
         if (!info) {
-           if (onFinished)
-               onFinished();
-           return;
+            if (onFinished)
+                onFinished();
+            return;
         }
 
         let proxy = new Gio.DBusProxy({ g_connection: this._connection,
-                                       g_name: this._serviceName,
-                                       g_object_path: objectPath,
-                                       g_interface_name: interfaceName,
-                                       g_interface_info: info,
-                                       g_flags: Gio.DBusProxyFlags.DO_NOT_AUTO_START });
+                                        g_name: this._serviceName,
+                                        g_object_path: objectPath,
+                                        g_interface_name: interfaceName,
+                                        g_interface_info: info,
+                                        g_flags: Gio.DBusProxyFlags.DO_NOT_AUTO_START });
 
-        proxy.init_async(GLib.PRIORITY_DEFAULT,
-                         this._cancellable,
-                         (initable, result) => {
-               let error = null;
-               try {
-                   initable.init_finish(result);
-               } catch(e) {
-                   logError(e, 'could not initialize proxy for interface ' + interfaceName);
+        proxy.init_async(GLib.PRIORITY_DEFAULT, this._cancellable, (initable, result) => {
+            try {
+                initable.init_finish(result);
+            } catch (e) {
+                logError(e, `could not initialize proxy for interface ${interfaceName}`);
 
-                   if (onFinished)
-                       onFinished();
-                   return;
-               }
+                if (onFinished)
+                    onFinished();
+                return;
+            }
 
-               let isNewObject;
-               if (!this._objects[objectPath]) {
-                   this._objects[objectPath] = {};
-                   isNewObject = true;
-               } else {
-                   isNewObject = false;
-               }
+            let isNewObject;
+            if (!this._objects[objectPath]) {
+                this._objects[objectPath] = {};
+                isNewObject = true;
+            } else {
+                isNewObject = false;
+            }
 
-               this._objects[objectPath][interfaceName] = proxy;
+            this._objects[objectPath][interfaceName] = proxy;
 
-               if (!this._interfaces[interfaceName])
-                   this._interfaces[interfaceName] = [];
+            if (!this._interfaces[interfaceName])
+                this._interfaces[interfaceName] = [];
 
-               this._interfaces[interfaceName].push(proxy);
+            this._interfaces[interfaceName].push(proxy);
 
-               if (isNewObject)
-                   this.emit('object-added', objectPath);
+            if (isNewObject)
+                this.emit('object-added', objectPath);
 
-               this.emit('interface-added', interfaceName, proxy);
+            this.emit('interface-added', interfaceName, proxy);
 
-               if (onFinished)
-                   onFinished();
+            if (onFinished)
+                onFinished();
         });
     }
 
@@ -155,11 +152,10 @@ var ObjectManager = class {
     }
 
     _onManagerProxyLoaded(initable, result) {
-        let error = null;
         try {
             initable.init_finish(result);
-        } catch(e) {
-            logError(e, 'could not initialize object manager for object ' + this._serviceName);
+        } catch (e) {
+            logError(e, `could not initialize object manager for object ${this._serviceName}`);
 
             this._tryToCompleteLoad();
             return;
@@ -197,7 +193,7 @@ var ObjectManager = class {
         this._managerProxy.GetManagedObjectsRemote((result, error) => {
             if (!result) {
                 if (error) {
-                   logError(error, 'could not get remote objects for service ' + this._serviceName + ' path ' + this._managerPath);
+                    logError(error, `could not get remote objects for service ${this._serviceName} path ${this._managerPath}`);
                 }
 
                 this._tryToCompleteLoad();

js/misc/params.js

@@ -1,5 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
+const Lang = imports.lang;
+
 // parse:
 // @params: caller-provided parameter object, or %null
 // @defaults-provided defaults object
@@ -14,22 +16,14 @@
 //
 // Return value: a new object, containing the merged parameters from
 // @params and @defaults
-function parse(params, defaults, allowExtras) {
-    let ret = {}, prop;
-
-    if (!params)
-        params = {};
-
-    for (prop in params) {
-        if (!(prop in defaults) && !allowExtras)
-            throw new Error('Unrecognized parameter "' + prop + '"');
-        ret[prop] = params[prop];
+function parse(params = {}, defaults, allowExtras) {
+    if (!allowExtras) {
+        for (let prop in params)
+            if (!(prop in defaults))
+                throw new Error(`Unrecognized parameter "${prop}"`);
     }
 
-    for (prop in defaults) {
-        if (!(prop in params))
-            ret[prop] = defaults[prop];
-    }
-
-    return ret;
-}
+    let defaultsCopy = {};
+    Lang.copyProperties(defaults, defaultsCopy);
+    return Object.assign(defaultsCopy, params);
+}

js/misc/permissionStore.js

@@ -12,4 +12,4 @@ function PermissionStore(initCallback, cancellable) {
                                     'org.freedesktop.impl.portal.PermissionStore',
                                     '/org/freedesktop/impl/portal/PermissionStore',
                                     initCallback, cancellable);
-};
+}

js/misc/smartcardManager.js

@@ -29,7 +29,7 @@ var SmartcardManager = class {
         this._objectManager = new ObjectManager.ObjectManager({ connection: Gio.DBus.session,
                                                                 name: "org.gnome.SettingsDaemon.Smartcard",
                                                                 objectPath: '/org/gnome/SettingsDaemon/Smartcard',
-                                                                knownInterfaces: [ SmartcardTokenIface ],
+                                                                knownInterfaces: [SmartcardTokenIface],
                                                                 onLoaded: this._onLoaded.bind(this) });
         this._insertedTokens = {};
         this._loginToken = null;

js/misc/systemActions.js

@@ -83,48 +83,54 @@ const SystemActions = GObject.registerClass({
         this._canHaveSuspend = true;
 
         this._actions = new Map();
-        this._actions.set(POWER_OFF_ACTION_ID,
-                          { // Translators: The name of the power-off action in search
-                            name: C_("search-result", "Power Off"),
-                            iconName: 'system-shutdown-symbolic',
-                            // Translators: A list of keywords that match the power-off action, separated by semicolons
-                            keywords: _("power off;shutdown;reboot;restart").split(';'),
-                            available: false });
-        this._actions.set(LOCK_SCREEN_ACTION_ID,
-                          { // Translators: The name of the lock screen action in search
-                            name: C_("search-result", "Lock Screen"),
-                            iconName: 'system-lock-screen-symbolic',
-                            // Translators: A list of keywords that match the lock screen action, separated by semicolons
-                            keywords: _("lock screen").split(';'),
-                            available: false });
-        this._actions.set(LOGOUT_ACTION_ID,
-                          { // Translators: The name of the logout action in search
-                            name: C_("search-result", "Log Out"),
-                            iconName: 'application-exit-symbolic',
-                            // Translators: A list of keywords that match the logout action, separated by semicolons
-                            keywords: _("logout;sign off").split(';'),
-                            available: false });
-        this._actions.set(SUSPEND_ACTION_ID,
-                          { // Translators: The name of the suspend action in search
-                            name: C_("search-result", "Suspend"),
-                            iconName: 'media-playback-pause-symbolic',
-                            // Translators: A list of keywords that match the suspend action, separated by semicolons
-                            keywords: _("suspend;sleep").split(';'),
-                            available: false });
-        this._actions.set(SWITCH_USER_ACTION_ID,
-                          { // Translators: The name of the switch user action in search
-                            name: C_("search-result", "Switch User"),
-                            iconName: 'system-switch-user-symbolic',
-                            // Translators: A list of keywords that match the switch user action, separated by semicolons
-                            keywords: _("switch user").split(';'),
-                            available: false });
-        this._actions.set(LOCK_ORIENTATION_ACTION_ID,
-                          { // Translators: The name of the lock orientation action in search
-                            name: C_("search-result", "Lock Orientation"),
-                            iconName: '',
-                            // Translators: A list of keywords that match the lock orientation action, separated by semicolons
-                            keywords: _("lock orientation;screen;rotation").split(';'),
-                            available: false });
+        this._actions.set(POWER_OFF_ACTION_ID, {
+            // Translators: The name of the power-off action in search
+            name: C_("search-result", "Power Off"),
+            iconName: 'system-shutdown-symbolic',
+            // Translators: A list of keywords that match the power-off action, separated by semicolons
+            keywords: _("power off;shutdown;reboot;restart").split(/[; ]/),
+            available: false
+        });
+        this._actions.set(LOCK_SCREEN_ACTION_ID, {
+            // Translators: The name of the lock screen action in search
+            name: C_("search-result", "Lock Screen"),
+            iconName: 'system-lock-screen-symbolic',
+            // Translators: A list of keywords that match the lock screen action, separated by semicolons
+            keywords: _("lock screen").split(/[; ]/),
+            available: false
+        });
+        this._actions.set(LOGOUT_ACTION_ID, {
+            // Translators: The name of the logout action in search
+            name: C_("search-result", "Log Out"),
+            iconName: 'application-exit-symbolic',
+            // Translators: A list of keywords that match the logout action, separated by semicolons
+            keywords: _("logout;log out;sign off").split(/[; ]/),
+            available: false
+        });
+        this._actions.set(SUSPEND_ACTION_ID, {
+            // Translators: The name of the suspend action in search
+            name: C_("search-result", "Suspend"),
+            iconName: 'media-playback-pause-symbolic',
+            // Translators: A list of keywords that match the suspend action, separated by semicolons
+            keywords: _("suspend;sleep").split(/[; ]/),
+            available: false
+        });
+        this._actions.set(SWITCH_USER_ACTION_ID, {
+            // Translators: The name of the switch user action in search
+            name: C_("search-result", "Switch User"),
+            iconName: 'system-switch-user-symbolic',
+            // Translators: A list of keywords that match the switch user action, separated by semicolons
+            keywords: _("switch user").split(/[; ]/),
+            available: false
+        });
+        this._actions.set(LOCK_ORIENTATION_ACTION_ID, {
+            // Translators: The name of the lock orientation action in search
+            name: C_("search-result", "Lock Orientation"),
+            iconName: '',
+            // Translators: A list of keywords that match the lock orientation action, separated by semicolons
+            keywords: _("lock orientation;screen;rotation").split(/[; ]/),
+            available: false
+        });
 
         this._loginScreenSettings = new Gio.Settings({ schema_id: LOGIN_SCREEN_SCHEMA });
         this._lockdownSettings = new Gio.Settings({ schema_id: LOCKDOWN_SCHEMA });
@@ -137,37 +143,39 @@ const SystemActions = GObject.registerClass({
         this._userManager = AccountsService.UserManager.get_default();
 
         this._userManager.connect('notify::is-loaded',
-                                  () => { this._updateMultiUser(); });
+                                  () => this._updateMultiUser());
         this._userManager.connect('notify::has-multiple-users',
-                                  () => { this._updateMultiUser(); });
+                                  () => this._updateMultiUser());
         this._userManager.connect('user-added',
-                                  () => { this._updateMultiUser(); });
+                                  () => this._updateMultiUser());
         this._userManager.connect('user-removed',
-                                  () => { this._updateMultiUser(); });
+                                  () => this._updateMultiUser());
 
-        this._lockdownSettings.connect('changed::' + DISABLE_USER_SWITCH_KEY,
-                                       () => { this._updateSwitchUser(); });
-        this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
-                                       () => { this._updateLogout(); });
-        global.settings.connect('changed::' + ALWAYS_SHOW_LOG_OUT_KEY,
-                                () => { this._updateLogout(); });
+        this._lockdownSettings.connect(`changed::${DISABLE_USER_SWITCH_KEY}`,
+                                       () => this._updateSwitchUser());
+        this._lockdownSettings.connect(`changed::${DISABLE_LOG_OUT_KEY}`,
+                                       () => this._updateLogout());
+        global.settings.connect(`changed::${ALWAYS_SHOW_LOG_OUT_KEY}`,
+                                () => this._updateLogout());
 
-        this._lockdownSettings.connect('changed::' + DISABLE_LOCK_SCREEN_KEY,
-                                       () => { this._updateLockScreen(); });
+        this._lockdownSettings.connect(`changed::${DISABLE_LOCK_SCREEN_KEY}`,
+                                       () => this._updateLockScreen());
 
-        this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
-                                       () => { this._updateHaveShutdown(); });
+        this._lockdownSettings.connect(`changed::${DISABLE_LOG_OUT_KEY}`,
+                                       () => this._updateHaveShutdown());
 
         this.forceUpdate();
 
         this._orientationSettings.connect('changed::orientation-lock',
-                                          () => { this._updateOrientationLock();
-                                                  this._updateOrientationLockIcon(); });
+                                          () => {
+                                              this._updateOrientationLock();
+                                              this._updateOrientationLockIcon();
+                                          });
         Main.layoutManager.connect('monitors-changed',
-                                   () => { this._updateOrientationLock(); });
+                                   () => this._updateOrientationLock());
         Gio.DBus.system.watch_name(SENSOR_BUS_NAME,
                                    Gio.BusNameWatcherFlags.NONE,
-                                   () => { this._sensorProxyAppeared(); },
+                                   () => this._sensorProxyAppeared(),
                                    () => {
                                        this._sensorProxy = null;
                                        this._updateOrientationLock();
@@ -175,7 +183,7 @@ const SystemActions = GObject.registerClass({
         this._updateOrientationLock();
         this._updateOrientationLockIcon();
 
-        Main.sessionMode.connect('updated', () => { this._sessionUpdated(); });
+        Main.sessionMode.connect('updated', () => this._sessionUpdated());
         this._sessionUpdated();
     }
 
@@ -215,7 +223,7 @@ const SystemActions = GObject.registerClass({
                     return;
                 }
                 this._sensorProxy.connect('g-properties-changed',
-                                          () => { this._updateOrientationLock(); });
+                                          () => this._updateOrientationLock());
                 this._updateOrientationLock();
             });
     }
@@ -257,12 +265,12 @@ const SystemActions = GObject.registerClass({
 
     getMatchingActions(terms) {
         // terms is a list of strings
-        terms = terms.map((term) => { return term.toLowerCase(); });
+        terms = terms.map((term) => term.toLowerCase());
 
         let results = [];
 
-        for (let [key, {available, keywords}] of this._actions)
-            if (available && terms.every(t => keywords.some(k => (k.indexOf(t) >= 0))))
+        for (let [key, { available, keywords }] of this._actions)
+            if (available && terms.every(t => keywords.some(k => k.startsWith(t))))
                 results.push(key);
 
         return results;
@@ -278,24 +286,24 @@ const SystemActions = GObject.registerClass({
 
     activateAction(id) {
         switch (id) {
-            case POWER_OFF_ACTION_ID:
-                this.activatePowerOff();
-                break;
-            case LOCK_SCREEN_ACTION_ID:
-                this.activateLockScreen();
-                break;
-            case LOGOUT_ACTION_ID:
-                this.activateLogout();
-                break;
-            case SUSPEND_ACTION_ID:
-                this.activateSuspend();
-                break;
-            case SWITCH_USER_ACTION_ID:
-                this.activateSwitchUser();
-                break;
-            case LOCK_ORIENTATION_ACTION_ID:
-                this.activateLockOrientation();
-                break;
+        case POWER_OFF_ACTION_ID:
+            this.activatePowerOff();
+            break;
+        case LOCK_SCREEN_ACTION_ID:
+            this.activateLockScreen();
+            break;
+        case LOGOUT_ACTION_ID:
+            this.activateLogout();
+            break;
+        case SUSPEND_ACTION_ID:
+            this.activateSuspend();
+            break;
+        case SWITCH_USER_ACTION_ID:
+            this.activateSwitchUser();
+            break;
+        case LOCK_ORIENTATION_ACTION_ID:
+            this.activateLockOrientation();
+            break;
         }
     }
 

js/misc/util.js

@@ -17,7 +17,7 @@ const _leadingJunk = '[\\s`(\\[{\'\\"<\u00AB\u201C\u2018]';
 const _notTrailingJunk = '[^\\s`!()\\[\\]{};:\'\\".,<>?\u00AB\u00BB\u201C\u201D\u2018\u2019]';
 
 const _urlRegexp = new RegExp(
-    '(^|' + _leadingJunk + ')' +
+    `(^|${_leadingJunk})` +
     '(' +
         '(?:' +
             '(?:http|https|ftp)://' +             // scheme://
@@ -29,12 +29,12 @@ const _urlRegexp = new RegExp(
         '(?:' +                                   // one or more:
             '[^\\s()<>]+' +                       // run of non-space non-()
             '|' +                                 // or
-            _balancedParens +                     // balanced parens
+            `${_balancedParens}` +                // balanced parens
         ')+' +
         '(?:' +                                   // end with:
-            _balancedParens +                     // balanced parens
+            `${_balancedParens}` +                // balanced parens
             '|' +                                 // or
-            _notTrailingJunk +                    // last non-junk char
+            `${_notTrailingJunk}` +               // last non-junk char
         ')' +
     ')', 'gi');
 
@@ -69,16 +69,16 @@ function spawn(argv) {
 }
 
 // spawnCommandLine:
-// @command_line: a command line
+// @commandLine: a command line
 //
-// Runs @command_line in the background, handling any errors that
+// Runs @commandLine in the background, handling any errors that
 // occur when trying to parse or start the program.
-function spawnCommandLine(command_line) {
+function spawnCommandLine(commandLine) {
     try {
-        let [success, argv] = GLib.shell_parse_argv(command_line);
+        let [success, argv] = GLib.shell_parse_argv(commandLine);
         trySpawn(argv);
     } catch (err) {
-        _handleSpawnError(command_line, err);
+        _handleSpawnError(commandLine, err);
     }
 }
 
@@ -93,7 +93,7 @@ function spawnApp(argv) {
 
         let context = global.create_app_launch_context(0, -1);
         app.launch([], context);
-    } catch(err) {
+    } catch (err) {
         _handleSpawnError(argv[0], err);
     }
 }
@@ -103,8 +103,7 @@ function spawnApp(argv) {
 //
 // Runs @argv in the background. If launching @argv fails,
 // this will throw an error.
-function trySpawn(argv)
-{
+function trySpawn(argv) {
     var success, pid;
     try {
         [success, pid] = GLib.spawn_async(null, argv, null,
@@ -135,19 +134,19 @@ function trySpawn(argv)
 }
 
 // trySpawnCommandLine:
-// @command_line: a command line
+// @commandLine: a command line
 //
-// Runs @command_line in the background. If launching @command_line
+// Runs @commandLine in the background. If launching @commandLine
 // fails, this will throw an error.
-function trySpawnCommandLine(command_line) {
+function trySpawnCommandLine(commandLine) {
     let success, argv;
 
     try {
-        [success, argv] = GLib.shell_parse_argv(command_line);
+        [success, argv] = GLib.shell_parse_argv(commandLine);
     } catch (err) {
         // Replace "Error invoking GLib.shell_parse_argv: " with
         // something nicer
-        err.message = err.message.replace(/[^:]*: /, _("Could not parse command:") + "\n");
+        err.message = err.message.replace(/[^:]*: /, `${_("Could not parse command:")}\n`);
         throw err;
     }
 
@@ -222,7 +221,7 @@ function formatTime(time, params) {
             /* Translators: Time in 24h format */
             format = N_("%H\u2236%M");
         // Show the word "Yesterday" and time if date is on yesterday
-        else if (daysAgo <2)
+        else if (daysAgo < 2)
             /* Translators: this is the word "Yesterday" followed by a
              time string in 24h format. i.e. "Yesterday, 14:30" */
             // xgettext:no-c-format
@@ -251,7 +250,7 @@ function formatTime(time, params) {
             /* Translators: Time in 12h format */
             format = N_("%l\u2236%M %p");
         // Show the word "Yesterday" and time if date is on yesterday
-        else if (daysAgo <2)
+        else if (daysAgo < 2)
             /* Translators: this is the word "Yesterday" followed by a
              time string in 12h format. i.e. "Yesterday, 2:30 pm" */
             // xgettext:no-c-format
@@ -289,7 +288,7 @@ function createTimeLabel(date, params) {
     let id = _desktopSettings.connect('changed::clock-format', () => {
         label.text = formatTime(date, params);
     });
-    label.connect('destroy', () => { _desktopSettings.disconnect(id); });
+    label.connect('destroy', () => _desktopSettings.disconnect(id));
     return label;
 }
 
@@ -346,7 +345,7 @@ function insertSorted(array, val, cmp) {
 var CloseButton = GObject.registerClass(
 class CloseButton extends St.Button {
     _init(boxpointer) {
-        super._init({ style_class: 'notification-close'});
+        super._init({ style_class: 'notification-close' });
 
         // This is a bit tricky. St.Bin has its own x-align/y-align properties
         // that compete with Clutter's properties. This should be fixed for
@@ -366,7 +365,7 @@ class CloseButton extends St.Button {
     }
 
     _computeBoxPointerOffset() {
-        if (!this._boxPointer || !this._boxPointer.actor.get_stage())
+        if (!this._boxPointer || !this._boxPointer.get_stage())
             return 0;
 
         let side = this._boxPointer.arrowSide;
@@ -380,7 +379,7 @@ class CloseButton extends St.Button {
         let themeNode = this.get_theme_node();
 
         let offY = this._computeBoxPointerOffset();
-        this.translation_x = themeNode.get_length('-shell-close-overlap-x')
+        this.translation_x = themeNode.get_length('-shell-close-overlap-x');
         this.translation_y = themeNode.get_length('-shell-close-overlap-y') + offY;
     }
 
@@ -467,7 +466,7 @@ var AppSettingsMonitor = class {
         if (!this._settings || handler.id > 0)
             return;
 
-        handler.id = this._settings.connect('changed::' + handler.key,
+        handler.id = this._settings.connect(`changed::${handler.key}`,
                                             handler.callback);
         handler.callback(this._settings, handler.key);
     }
@@ -493,13 +492,13 @@ var AppSettingsMonitor = class {
     }
 
     _setSettings(settings) {
-        this._handlers.forEach((handler) => { this._disconnectHandler(handler); });
+        this._handlers.forEach((handler) => this._disconnectHandler(handler));
 
         let hadSettings = (this._settings != null);
         this._settings = settings;
         let haveSettings = (this._settings != null);
 
-        this._handlers.forEach((handler) => { this._connectHandler(handler); });
+        this._handlers.forEach((handler) => this._connectHandler(handler));
 
         if (hadSettings != haveSettings)
             this.emit('available-changed');

js/misc/weather.js

@@ -26,13 +26,21 @@ var WeatherClient = class {
         this._weatherAuthorized = false;
         this._permStore = new PermissionStore.PermissionStore((proxy, error) => {
             if (error) {
-                log('Failed to connect to permissionStore: ' + error.message);
+                log(`Failed to connect to permissionStore: ${error.message}`);
+                return;
+            }
+
+            if (this._permStore.g_name_owner == null) {
+                // Failed to auto-start, likely because xdg-desktop-portal
+                // isn't installed; don't restrict access to location service
+                this._weatherAuthorized = true;
+                this._updateAutoLocation();
                 return;
             }
 
             this._permStore.LookupRemote('gnome', 'geolocation', (res, error) => {
                 if (error)
-                    log('Error looking up permission: ' + error.message);
+                    log(`Error looking up permission: ${error.message}`);
 
                 let [perms, data] = error ? [{}, null] : res;
                 let  params = ['gnome', 'geolocation', false, data, perms];
@@ -60,7 +68,7 @@ var WeatherClient = class {
 
         this._weatherAppMon = new Util.AppSettingsMonitor('org.gnome.Weather.desktop',
                                                           'org.gnome.Weather');
-        this._weatherAppMon.connect('available-changed', () => { this.emit('changed'); });
+        this._weatherAppMon.connect('available-changed', () => this.emit('changed'));
         this._weatherAppMon.watchSetting('automatic-location',
                                          this._onAutomaticLocationChanged.bind(this));
         this._weatherAppMon.watchSetting('locations',
@@ -170,8 +178,8 @@ var WeatherClient = class {
             (o, res) => {
                 try {
                     this._gclueService = Geoclue.Simple.new_finish(res);
-                } catch(e) {
-                    log('Failed to connect to Geoclue2 service: ' + e.message);
+                } catch (e) {
+                    log(`Failed to connect to Geoclue2 service: ${e.message}`);
                     this._setLocation(this._mostRecentLocation);
                     return;
                 }

js/perf/core.js

@@ -10,7 +10,7 @@ const Scripting = imports.ui.scripting;
 // someone should be able to get an idea of how well the shell is performing
 // on a particular system.
 
-let METRICS = {
+var METRICS = {
     overviewLatencyFirst:
     { description: "Time to first frame after triggering overview, first time",
       units: "us" },
@@ -19,7 +19,7 @@ let METRICS = {
       units: "frames / s" },
     overviewLatencySubsequent:
     { description: "Time to first frame after triggering overview, second time",
-      units: "us"},
+      units: "us" },
     overviewFpsSubsequent:
     { description: "Frames rate when going to the overview, second time",
       units: "frames / s" },
@@ -52,7 +52,7 @@ let METRICS = {
       units: "us" },
     applicationsShowTimeSubsequent:
     { description: "Time to switch to applications view, second time",
-      units: "us"}
+      units: "us" }
 };
 
 let WINDOW_CONFIGS = [
@@ -136,7 +136,6 @@ let overviewFrames;
 let overviewLatency;
 let mallocUsedSize = 0;
 let overviewShowCount = 0;
-let firstOverviewUsedSize;
 let haveSwapComplete = false;
 let applicationsShowStart;
 let applicationsShowCount = 0;

js/perf/hwtest.js

@@ -1,8 +1,8 @@
-const { Clutter, Gio, Gtk, Shell } = imports.gi;
+const { Clutter, Gio, Shell } = imports.gi;
 const Main = imports.ui.main;
 const Scripting = imports.ui.scripting;
 
-let METRICS = {
+var METRICS = {
     timeToDesktop:
     { description: "Time from starting graphical.target to desktop showing",
       units: "us" },
@@ -30,7 +30,7 @@ let METRICS = {
     geditStartTime:
     { description: "Time from gedit launch to window drawn",
       units: "us" },
-}
+};
 
 function waitAndDraw(milliseconds) {
     let cb;
@@ -48,7 +48,7 @@ function waitAndDraw(milliseconds) {
             cb();
     });
 
-    return callback => { cb = callback; };
+    return callback => cb = callback;
 }
 
 function waitSignal(object, signal) {
@@ -60,7 +60,7 @@ function waitSignal(object, signal) {
             cb();
     });
 
-    return callback => { cb = callback; };
+    return callback => cb = callback;
 }
 
 function extractBootTimestamp() {
@@ -104,7 +104,10 @@ function *run() {
     yield Scripting.waitLeisure();
     Scripting.scriptEvent('desktopShown');
 
-    Gtk.Settings.get_default().gtk_enable_animations = false;
+    let interfaceSettings = new Gio.Settings({
+        schema_id: 'org.gnome.desktop.interface'
+    });
+    interfaceSettings.set_boolean('enable-animations', false);
 
     Scripting.scriptEvent('overviewShowStart');
     Main.overview.show();
@@ -154,7 +157,7 @@ function *run() {
     Main.overview.hide();
 
     yield Scripting.createTestWindow({ maximized: true,
-                                       redraws: true});
+                                       redraws: true });
     yield Scripting.waitTestWindows();
 
     yield Scripting.sleep(1000);
@@ -200,7 +203,7 @@ function *run() {
 
     yield Scripting.sleep(1000);
 
-    Gtk.Settings.get_default().gtk_enable_animations = true;
+    interfaceSettings.set_boolean('enable-animations', true);
 }
 
 let overviewShowStart;
@@ -266,11 +269,11 @@ function script_collectTimings(time) {
         if (len == 0)
             median = -1;
         else if (len % 2 == 1)
-            median = times[(len - 1)/ 2];
+            median = times[(len - 1) / 2];
         else
             median = Math.round((times[len / 2 - 1] + times[len / 2]) / 2);
 
-        METRICS[timing + 'RedrawTime'].value = median;
+        METRICS[`${timing}RedrawTime`].value = median;
     }
 }
 

js/portalHelper/main.js

@@ -19,7 +19,6 @@ const PortalHelperSecurityLevel = {
     INSECURE: 2
 };
 
-const INACTIVITY_TIMEOUT = 30000; //ms
 const CONNECTIVITY_CHECK_HOST = 'nmcheck.gnome.org';
 const CONNECTIVITY_CHECK_URI = 'http://' + CONNECTIVITY_CHECK_HOST;
 const CONNECTIVITY_RECHECK_RATELIMIT_TIMEOUT = 30 * GLib.USEC_PER_SEC;
@@ -59,7 +58,7 @@ class PortalHeaderBar extends Gtk.HeaderBar {
                                              single_line_mode: true,
                                              ellipsize: Pango.EllipsizeMode.END,
                                              valign: Gtk.Align.BASELINE,
-                                             selectable: true});
+                                             selectable: true });
         this.subtitleLabel.get_style_context().add_class('subtitle');
         hbox.add(this.subtitleLabel);
 
@@ -265,7 +264,7 @@ class WebPortalHelper extends Gtk.Application {
         this._queue = [];
 
         let action = new Gio.SimpleAction({ name: 'quit' });
-        action.connect('activate', () => { this.active_window.destroyWindow(); });
+        action.connect('activate', () => this.active_window.destroyWindow());
         this.add_action(action);
     }
 

js/ui/accessDialog.js

@@ -1,4 +1,4 @@
-const { Clutter, Gio, GLib, Shell } = imports.gi;
+const { Clutter, Gio, GLib, GObject, Shell } = imports.gi;
 
 const CheckBox = imports.ui.checkBox;
 const Dialog = imports.ui.dialog;
@@ -15,9 +15,10 @@ var DialogResponse = {
     CLOSED: 2
 };
 
-var AccessDialog = class extends ModalDialog.ModalDialog {
-    constructor(invocation, handle, title, subtitle, body, options) {
-        super({ styleClass: 'access-dialog' });
+var AccessDialog = GObject.registerClass(
+class AccessDialog extends ModalDialog.ModalDialog {
+    _init(invocation, handle, title, subtitle, body, options) {
+        super._init({ styleClass: 'access-dialog' });
 
         this._invocation = invocation;
         this._handle = handle;
@@ -68,7 +69,7 @@ var AccessDialog = class extends ModalDialog.ModalDialog {
         this.addButton({ label: grantLabel,
                          action: () => {
                              this._sendResponse(DialogResponse.OK);
-                         }});
+                         } });
     }
 
     open() {
@@ -109,7 +110,7 @@ var AccessDialog = class extends ModalDialog.ModalDialog {
         });
         this.close();
     }
-};
+});
 
 var AccessDialogDBus = class {
     constructor() {
@@ -134,7 +135,7 @@ var AccessDialogDBus = class {
         let [handle, appId, parentWindow, title, subtitle, body, options] = params;
         // We probably want to use parentWindow and global.display.focus_window
         // for this check in the future
-        if (appId && appId + '.desktop' != this._windowTracker.focus_app.id) {
+        if (appId && `${appId}.desktop` != this._windowTracker.focus_app.id) {
             invocation.return_error_literal(Gio.DBusError,
                                             Gio.DBusError.ACCESS_DENIED,
                                             'Only the focused app is allowed to show a system access dialog');
@@ -145,7 +146,7 @@ var AccessDialogDBus = class {
                                       subtitle, body, options);
         dialog.open();
 
-        dialog.connect('closed', () => { this._accessDialog = null; });
+        dialog.connect('closed', () => this._accessDialog = null);
 
         this._accessDialog = dialog;
     }

js/ui/altTab.js

@@ -36,7 +36,7 @@ function _createWindowClone(window, size) {
                                // usual hack for the usual bug in ClutterBinLayout...
                                x_expand: true,
                                y_expand: true });
-};
+}
 
 function getWindows(workspace) {
     // We ignore skip-taskbar windows in switchers, but if they are attached
@@ -395,7 +395,7 @@ class AppSwitcherPopup extends SwitcherPopup.SwitcherPopup {
                          { opacity: 255,
                            time: THUMBNAIL_FADE_TIME,
                            transition: 'easeOutQuad',
-                           onComplete: () => { this.thumbnailsVisible = true; }
+                           onComplete: () => this.thumbnailsVisible = true
                          });
 
         this._switcherList._items[this._selectedIndex].add_accessible_state (Atk.StateType.EXPANDED);
@@ -459,7 +459,7 @@ class CyclerHighlight {
     _onDestroy() {
         this.window = null;
     }
-};
+}
 
 // We don't show an actual popup, so just provide what SwitcherPopup
 // expects instead of inheriting from SwitcherList
@@ -474,12 +474,10 @@ var CyclerList = GObject.registerClass({
     }
 });
 
-var CyclerPopup = GObject.registerClass(
-class CyclerPopup extends SwitcherPopup.SwitcherPopup {
+var CyclerPopup = GObject.registerClass({
+    GTypeFlags: GObject.TypeFlags.ABSTRACT
+}, class CyclerPopup extends SwitcherPopup.SwitcherPopup {
     _init() {
-        if (new.target === CyclerPopup)
-            throw new TypeError('Cannot instantiate abstract class ' + new.target.name);
-
         super._init();
 
         this._items = this._getWindows();
@@ -619,9 +617,8 @@ class WindowSwitcherPopup extends SwitcherPopup.SwitcherPopup {
 var WindowCyclerPopup = GObject.registerClass(
 class WindowCyclerPopup extends CyclerPopup {
     _init() {
-        super._init();
-
         this._settings = new Gio.Settings({ schema_id: 'org.gnome.shell.window-switcher' });
+        super._init();
     }
 
     _getWindows() {
@@ -666,14 +663,6 @@ class AppIcon extends St.BoxLayout {
     set_size(size) {
         this.icon = this.app.create_icon_texture(size);
         this._iconBin.child = this.icon;
-        this._iconBin.set_size(size, size);
-    }
-
-    vfunc_get_preferred_width(forHeight) {
-        let [minWidth, ] = super.vfunc_get_preferred_width(forHeight);
-
-        minWidth = Math.max(minWidth, forHeight);
-        return [minWidth, minWidth];
     }
 });
 
@@ -727,15 +716,16 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
 
     _setIconSize() {
         let j = 0;
-        while(this._items.length > 1 && this._items[j].style_class != 'item-box') {
-                j++;
+        while (this._items.length > 1 && this._items[j].style_class != 'item-box') {
+            j++;
         }
         let themeNode = this._items[j].get_theme_node();
+        this._list.ensure_style();
 
         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 + iconBorder;
+        let [, labelNaturalHeight] = this.icons[j].label.get_preferred_height(-1);
+        let iconSpacing = labelNaturalHeight + iconPadding + iconBorder;
         let totalSpacing = this._list.spacing * (this._items.length - 1);
 
         // We just assume the whole screen here due to weirdness happing with the passed width
@@ -748,7 +738,7 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
         let iconSize = baseIconSizes[0];
 
         if (this._items.length > 1) {
-            for(let i =  0; i < baseIconSizes.length; i++) {
+            for (let i =  0; i < baseIconSizes.length; i++) {
                 iconSize = baseIconSizes[i];
                 let height = iconSizes[i] + iconSpacing;
                 let w = height * this._items.length + totalSpacing;
@@ -759,7 +749,7 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
 
         this._iconSize = iconSize;
 
-        for(let i = 0; i < this.icons.length; i++) {
+        for (let i = 0; i < this.icons.length; i++) {
             if (this.icons[i].icon != null)
                 break;
             this.icons[i].set_size(iconSize);
@@ -805,8 +795,9 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
                                                             return GLib.SOURCE_REMOVE;
                                                         });
             GLib.Source.set_name_by_id(this._mouseTimeOutId, '[gnome-shell] this._enterItem');
-        } else
-           this._itemEntered(index);
+        } else {
+            this._itemEntered(index);
+        }
     }
 
     _enterItem(index) {
@@ -851,9 +842,8 @@ class AppSwitcher extends SwitcherPopup.SwitcherList {
                 this._removeIcon(app);
         });
 
-        let n = this._arrows.length;
         let arrow = new St.DrawingArea({ style_class: 'switcher-arrow' });
-        arrow.connect('repaint', () => { SwitcherPopup.drawArrow(arrow, St.Side.BOTTOM); });
+        arrow.connect('repaint', () => SwitcherPopup.drawArrow(arrow, St.Side.BOTTOM));
         this.add_actor(arrow);
         this._arrows.push(arrow);
 
@@ -994,23 +984,23 @@ class WindowIcon extends St.BoxLayout {
         let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
 
         switch (mode) {
-            case AppIconMode.THUMBNAIL_ONLY:
-                size = WINDOW_PREVIEW_SIZE;
-                this._icon.add_actor(_createWindowClone(mutterWindow, size * scaleFactor));
-                break;
+        case AppIconMode.THUMBNAIL_ONLY:
+            size = WINDOW_PREVIEW_SIZE;
+            this._icon.add_actor(_createWindowClone(mutterWindow, size * scaleFactor));
+            break;
 
-            case AppIconMode.BOTH:
-                size = WINDOW_PREVIEW_SIZE;
-                this._icon.add_actor(_createWindowClone(mutterWindow, size * scaleFactor));
+        case AppIconMode.BOTH:
+            size = WINDOW_PREVIEW_SIZE;
+            this._icon.add_actor(_createWindowClone(mutterWindow, size * scaleFactor));
 
-                if (this.app)
-                    this._icon.add_actor(this._createAppIcon(this.app,
-                                                             APP_ICON_SIZE_SMALL));
-                break;
+            if (this.app)
+                this._icon.add_actor(this._createAppIcon(this.app,
+                                                         APP_ICON_SIZE_SMALL));
+            break;
 
-            case AppIconMode.APP_ICON_ONLY:
-                size = APP_ICON_SIZE;
-                this._icon.add_actor(this._createAppIcon(this.app, size));
+        case AppIconMode.APP_ICON_ONLY:
+            size = APP_ICON_SIZE;
+            this._icon.add_actor(this._createAppIcon(this.app, size));
         }
 
         this._icon.set_size(size * scaleFactor, size * scaleFactor);
@@ -1047,7 +1037,7 @@ class WindowList extends SwitcherPopup.SwitcherList {
             this.icons.push(icon);
 
             icon._unmanagedSignalId = icon.window.connect('unmanaged', (window) => {
-                this._removeWindow(window)
+                this._removeWindow(window);
             });
         }
 
@@ -1083,7 +1073,7 @@ class WindowList extends SwitcherPopup.SwitcherList {
         childBox.y1 = childBox.y2 - this._label.height;
         this._label.allocate(childBox, flags);
 
-        let totalLabelHeight = this._label.height + themeNode.get_padding(St.Side.BOTTOM)
+        let totalLabelHeight = this._label.height + themeNode.get_padding(St.Side.BOTTOM);
         childBox.x1 = box.x1;
         childBox.x2 = box.x2;
         childBox.y1 = box.y1;

js/ui/animation.js

@@ -62,11 +62,11 @@ var Animation = class {
         if (!validResourceScale)
             return;
 
-        let texture_cache = St.TextureCache.get_default();
+        let textureCache = St.TextureCache.get_default();
         let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
-        this._animations = texture_cache.load_sliced_image(file, width, height,
-                                                           scaleFactor, resourceScale,
-                                                           this._animationsLoaded.bind(this));
+        this._animations = textureCache.load_sliced_image(file, width, height,
+                                                          scaleFactor, resourceScale,
+                                                          this._animationsLoaded.bind(this));
         this.actor.set_child(this._animations);
     }
 
@@ -123,7 +123,7 @@ var AnimatedIcon = class extends Animation {
 };
 
 var Spinner = class extends AnimatedIcon {
-    constructor(size, animate=false) {
+    constructor(size, animate = false) {
         let file = Gio.File.new_for_uri('resource:///org/gnome/shell/theme/process-working.svg');
         super(file, size);
 
@@ -162,7 +162,7 @@ var Spinner = class extends AnimatedIcon {
                 time: SPINNER_ANIMATION_TIME,
                 transition: 'linear',
                 onComplete: () => {
-                    this.stop(false);
+                    super.stop();
                 }
             });
         } else {

js/ui/appDisplay.js

@@ -20,7 +20,6 @@ const SystemActions = imports.misc.systemActions;
 
 const { loadInterfaceXML } = imports.misc.fileUtils;
 
-var MAX_APPLICATION_WORK_MILLIS = 75;
 var MENU_POPUP_TIMEOUT = 600;
 var MAX_COLUMNS = 6;
 var MIN_COLUMNS = 4;
@@ -34,23 +33,9 @@ var FOLDER_SUBICON_FRACTION = .4;
 
 var MIN_FREQUENT_APPS_COUNT = 3;
 
-var INDICATORS_BASE_TIME = 0.25;
-var INDICATORS_ANIMATION_DELAY = 0.125;
-var INDICATORS_ANIMATION_MAX_TIME = 0.75;
-
 var VIEWS_SWITCH_TIME = 0.4;
 var VIEWS_SWITCH_ANIMATION_DELAY = 0.1;
 
-// Follow iconGrid animations approach and divide by 2 to animate out to
-// not annoy the user when the user wants to quit appDisplay.
-// Also, make sure we don't exceed iconGrid animation total time or
-// views switch time.
-var INDICATORS_BASE_TIME_OUT = 0.125;
-var INDICATORS_ANIMATION_DELAY_OUT = 0.0625;
-var INDICATORS_ANIMATION_MAX_TIME_OUT =
-    Math.min (VIEWS_SWITCH_TIME,
-              IconGrid.ANIMATION_TIME_OUT + IconGrid.ANIMATION_MAX_DELAY_OUT_FOR_ITEM);
-
 var PAGE_SWITCH_TIME = 0.3;
 
 const SWITCHEROO_BUS_NAME = 'net.hadess.SwitcherooControl';
@@ -69,7 +54,7 @@ function _getCategories(info) {
 
 function _listsIntersect(a, b) {
     for (let itemA of a)
-        if (b.indexOf(itemA) >= 0)
+        if (b.includes(itemA))
             return true;
     return false;
 }
@@ -84,7 +69,7 @@ function _getFolderName(folder) {
         try {
             keyfile.load_from_data_dirs(path, GLib.KeyFileFlags.NONE);
             name = keyfile.get_locale_string('Desktop Entry', 'Name', null);
-        } catch(e) {
+        } catch (e) {
             return name;
         }
     }
@@ -98,8 +83,8 @@ function clamp(value, min, max) {
 
 class BaseAppView {
     constructor(params, gridParams) {
-        if (new.target === BaseAppView)
-            throw new TypeError('Cannot instantiate abstract class ' + new.target.name);
+        if (this.constructor === BaseAppView)
+            throw new TypeError(`Cannot instantiate abstract class ${this.constructor.name}`);
 
         gridParams = Params.parse(gridParams, { xAlign: St.Align.MIDDLE,
                                                 columnLimit: MAX_COLUMNS,
@@ -109,7 +94,7 @@ class BaseAppView {
                                                 padWithSpacing: true });
         params = Params.parse(params, { usePagination: false });
 
-        if(params.usePagination)
+        if (params.usePagination)
             this._grid = new IconGrid.PaginatedIconGrid(gridParams);
         else
             this._grid = new IconGrid.IconGrid(gridParams);
@@ -158,7 +143,7 @@ class BaseAppView {
 
     loadGrid() {
         this._allItems.sort(this._compareItems);
-        this._allItems.forEach(item => { this._grid.addItem(item); });
+        this._allItems.forEach(item => this._grid.addItem(item));
         this.emit('view-loaded');
     }
 
@@ -166,7 +151,7 @@ class BaseAppView {
         if (this._items[id])
             this._items[id].actor.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
         else
-            log('No such application ' + id);
+            log(`No such application ${id}`);
     }
 
     selectApp(id) {
@@ -227,12 +212,12 @@ class BaseAppView {
         } else {
             params.opacity = 0;
             params.delay = 0;
-            params.onComplete = () => { this.actor.hide(); };
+            params.onComplete = () => this.actor.hide();
         }
 
         Tweener.addTween(this._grid, params);
     }
-};
+}
 Signals.addSignalMethods(BaseAppView.prototype);
 
 var AllView = class AllView extends BaseAppView {
@@ -246,7 +231,7 @@ var AllView = class AllView extends BaseAppView {
                                                reactive: true,
                                                y_align: St.Align.START });
         this.actor = new St.Widget({ layout_manager: new Clutter.BinLayout(),
-                                     x_expand:true, y_expand:true });
+                                     x_expand: true, y_expand: true });
         this.actor.add_actor(this._scrollView);
 
         this._scrollView.set_policy(St.PolicyType.NEVER,
@@ -300,7 +285,7 @@ var AllView = class AllView extends BaseAppView {
         this._availWidth = 0;
         this._availHeight = 0;
 
-        Main.overview.connect('hidden', () => { this.goToPage(0); });
+        Main.overview.connect('hidden', () => this.goToPage(0));
         this._grid.connect('space-opened', () => {
             let fadeEffect = this._scrollView.get_effect('fade');
             if (fadeEffect)
@@ -373,8 +358,8 @@ var AllView = class AllView extends BaseAppView {
     _loadApps() {
         this._appInfoList = Shell.AppSystem.get_default().get_installed().filter(appInfo => {
             try {
-                let id = appInfo.get_id(); // catch invalid file encodings
-            } catch(e) {
+                (appInfo.get_id()); // catch invalid file encodings
+            } catch (e) {
                 return false;
             }
             return appInfo.should_show();
@@ -414,7 +399,7 @@ var AllView = class AllView extends BaseAppView {
         this._refilterApps();
     }
 
-    // Overriden from BaseAppView
+    // Overridden from BaseAppView
     animate(animationDirection, onComplete) {
         this._scrollView.reactive = false;
         let completionFunc = () => {
@@ -447,7 +432,7 @@ var AllView = class AllView extends BaseAppView {
                                transition: 'easeOutQuad',
                                opacity: 0,
                                onComplete() {
-                                  this.opacity = 255;
+                                   this.opacity = 255;
                                } });
 
         if (animationDirection == IconGrid.AnimationDirection.OUT)
@@ -546,7 +531,7 @@ var AllView = class AllView extends BaseAppView {
     }
 
     _onPanEnd(action) {
-         if (this._displayingPopup)
+        if (this._displayingPopup)
             return;
 
         let pageHeight = this._grid.getPageHeight();
@@ -585,7 +570,7 @@ var AllView = class AllView extends BaseAppView {
             this._eventBlocker.reactive = isOpen;
             this._currentPopup = isOpen ? popup : null;
             this._updateIconOpacities(isOpen);
-            if(!isOpen)
+            if (!isOpen)
                 this._closeSpaceForPopup();
         });
     }
@@ -632,9 +617,9 @@ var AllView = class AllView extends BaseAppView {
             this._scrollView.get_effect('fade').fade_edges = true;
 
         if (this._availWidth != availWidth || this._availHeight != availHeight || oldNPages != this._grid.nPages()) {
-            this._adjustment.value = 0;
-            this._grid.currentPage = 0;
             Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
+                this._adjustment.value = 0;
+                this._grid.currentPage = 0;
                 this._pageIndicators.setNPages(this._grid.nPages());
                 this._pageIndicators.setCurrentPage(0);
             });
@@ -686,7 +671,7 @@ var FrequentView = class FrequentView extends BaseAppView {
         let mostUsed = this._usage.get_most_used();
         let hasUsefulData = this.hasUsefulData();
         this._noFrequentAppsLabel.visible = !hasUsefulData;
-        if(!hasUsefulData)
+        if (!hasUsefulData)
             return;
 
         // Allow dragging of the icon only if the Dash would accept a drop to
@@ -735,11 +720,11 @@ class ControlsBoxLayout extends Clutter.BoxLayout {
         let maxMinWidth = 0;
         let maxNaturalWidth = 0;
         for (let child = container.get_first_child();
-             child;
-             child = child.get_next_sibling()) {
-             let [minWidth, natWidth] = child.get_preferred_width(forHeight);
-             maxMinWidth = Math.max(maxMinWidth, minWidth);
-             maxNaturalWidth = Math.max(maxNaturalWidth, natWidth);
+            child;
+            child = child.get_next_sibling()) {
+            let [minWidth, natWidth] = child.get_preferred_width(forHeight);
+            maxMinWidth = Math.max(maxMinWidth, minWidth);
+            maxNaturalWidth = Math.max(maxNaturalWidth, natWidth);
         }
         let childrenCount = container.get_n_children();
         let totalSpacing = this.spacing * (childrenCount - 1);
@@ -802,7 +787,7 @@ var AppDisplay = class AppDisplay {
             // shown next, so make sure to restore their opacity
             // when they are hidden
             if (this._controls.mapped)
-              return;
+                return;
 
             Tweener.removeTweens(this._controls);
             this._controls.opacity = 255;
@@ -867,14 +852,14 @@ var AppDisplay = class AppDisplay {
             this._controls.opacity = 0;
             finalOpacity = 255;
         } else {
-            finalOpacity = 0
+            finalOpacity = 0;
         }
 
         Tweener.addTween(this._controls,
                          { time: IconGrid.ANIMATION_TIME_IN,
                            transition: 'easeInOutQuad',
                            opacity: finalOpacity,
-                          });
+                         });
 
         currentView.animate(animationDirection, onComplete);
     }
@@ -910,7 +895,7 @@ var AppDisplay = class AppDisplay {
 
     _onAllocatedSizeChanged(actor, width, height) {
         let box = new Clutter.ActorBox();
-        box.x1 = box.y1 =0;
+        box.x1 = box.y1 = 0;
         box.x2 = width;
         box.y2 = height;
         box = this._viewStack.get_theme_node().get_content_box(box);
@@ -941,7 +926,7 @@ var AppSearchProvider = class AppSearchProvider {
                              'name': app.get_name(),
                              'createIcon'(size) {
                                  return app.create_icon_texture(size);
-                           }
+                             }
                 });
             } else {
                 let name = this._systemActions.getName(id);
@@ -1017,7 +1002,7 @@ var FolderView = class FolderView extends BaseAppView {
         Util.ensureActorVisibleInScrollView(this.actor, actor);
     }
 
-    // Overriden from BaseAppView
+    // Overridden from BaseAppView
     animate(animationDirection) {
         this._grid.animatePulse(animationDirection);
     }
@@ -1081,7 +1066,7 @@ var FolderView = class FolderView extends BaseAppView {
 
         let contentBox = this.actor.get_theme_node().get_content_box(pageBox);
         // We only can show icons inside the collection view boxPointer
-        // so we have to substract the required padding etc of the boxpointer
+        // so we have to subtract the required padding etc of the boxpointer
         return [(contentBox.x2 - contentBox.x1) - 2 * this._offsetForEachSide, (contentBox.y2 - contentBox.y1) - 2 * this._offsetForEachSide];
     }
 
@@ -1165,7 +1150,7 @@ var FolderIcon = class FolderIcon {
         let excludedApps = this._folder.get_strv('excluded-apps');
         let appSys = Shell.AppSystem.get_default();
         let addAppId = appId => {
-            if (excludedApps.indexOf(appId) >= 0)
+            if (excludedApps.includes(appId))
                 return;
 
             let app = appSys.lookup_app(appId);
@@ -1266,7 +1251,7 @@ var FolderIcon = class FolderIcon {
     adaptToSize(width, height) {
         this._parentAvailableWidth = width;
         this._parentAvailableHeight = height;
-        if(this._popup)
+        if (this._popup)
             this.view.adaptToSize(width, height);
         this._popupInvalidated = true;
     }
@@ -1301,20 +1286,20 @@ var AppFolderPopup = class AppFolderPopup {
                                                        x_expand: true,
                                                        x_align: St.Align.START });
 
-        this._boxPointer.actor.style_class = 'app-folder-popup';
-        this.actor.add_actor(this._boxPointer.actor);
+        this._boxPointer.style_class = 'app-folder-popup';
+        this.actor.add_actor(this._boxPointer);
         this._boxPointer.bin.set_child(this._view.actor);
 
         this.closeButton = Util.makeCloseButton(this._boxPointer);
         this.closeButton.connect('clicked', this.popdown.bind(this));
         this.actor.add_actor(this.closeButton);
 
-        this._boxPointer.actor.bind_property('opacity', this.closeButton, 'opacity',
-                                             GObject.BindingFlags.SYNC_CREATE);
+        this._boxPointer.bind_property('opacity', this.closeButton, 'opacity',
+                                       GObject.BindingFlags.SYNC_CREATE);
 
         global.focus_manager.add_group(this.actor);
 
-        source.actor.connect('destroy', () => { this.actor.destroy(); });
+        source.actor.connect('destroy', () => this.actor.destroy());
         this._grabHelper = new GrabHelper.GrabHelper(this.actor, {
             actionMode: Shell.ActionMode.POPUP
         });
@@ -1346,22 +1331,22 @@ var AppFolderPopup = class AppFolderPopup {
         let direction;
         let isLtr = Clutter.get_default_text_direction() == Clutter.TextDirection.LTR;
         switch (event.get_key_symbol()) {
-            case Clutter.Down:
-                direction = St.DirectionType.TAB_FORWARD;
-                break;
-            case Clutter.Right:
-                direction = isLtr ? St.DirectionType.TAB_FORWARD :
+        case Clutter.Down:
+            direction = St.DirectionType.TAB_FORWARD;
+            break;
+        case Clutter.Right:
+            direction = isLtr ? St.DirectionType.TAB_FORWARD :
                                     St.DirectionType.TAB_BACKWARD;
-                break;
-            case Clutter.Up:
-                direction = St.DirectionType.TAB_BACKWARD;
-                break;
-            case Clutter.Left:
-                direction = isLtr ? St.DirectionType.TAB_BACKWARD :
+            break;
+        case Clutter.Up:
+            direction = St.DirectionType.TAB_BACKWARD;
+            break;
+        case Clutter.Left:
+            direction = isLtr ? St.DirectionType.TAB_BACKWARD :
                                     St.DirectionType.TAB_FORWARD;
-                break;
-            default:
-                return Clutter.EVENT_PROPAGATE;
+            break;
+        default:
+            return Clutter.EVENT_PROPAGATE;
         }
         return actor.navigate_focus(null, direction, false);
     }
@@ -1393,9 +1378,9 @@ var AppFolderPopup = class AppFolderPopup {
         this._boxPointer.open(BoxPointer.PopupAnimation.FADE |
                               BoxPointer.PopupAnimation.SLIDE,
                               () => {
-                this._view.actor.opacity = 255;
-                this._view.animate(IconGrid.AnimationDirection.IN);
-            });
+                                  this._view.actor.opacity = 255;
+                                  this._view.animate(IconGrid.AnimationDirection.IN);
+                              });
 
         this.emit('open-state-changed', true);
     }
@@ -1479,7 +1464,7 @@ var AppIcon = class AppIcon {
         this.actor.connect('popup-menu', this._onKeyboardPopupMenu.bind(this));
 
         this._menu = null;
-        this._menuManager = new PopupMenu.PopupMenuManager(this);
+        this._menuManager = new PopupMenu.PopupMenuManager(this.actor);
 
         if (isDraggable) {
             this._draggable = DND.makeDraggable(this.actor);
@@ -1491,7 +1476,7 @@ var AppIcon = class AppIcon {
                 Main.overview.cancelledItemDrag(this);
             });
             this._draggable.connect('drag-end', () => {
-               Main.overview.endItemDrag(this);
+                Main.overview.endItemDrag(this);
             });
         }
 
@@ -1707,25 +1692,20 @@ var AppIconMenu = class AppIconMenu extends PopupMenu.PopupMenu {
             w => !w.skip_taskbar
         );
 
-        // Display the app windows menu items and the separator between windows
-        // of the current desktop and other windows.
-        let workspaceManager = global.workspace_manager;
-        let activeWorkspace = workspaceManager.get_active_workspace();
-        let separatorShown = windows.length > 0 && windows[0].get_workspace() != activeWorkspace;
+        if (windows.length > 0)
+            this.addMenuItem(
+                /* Translators: This is the heading of a list of open windows */
+                new PopupMenu.PopupSeparatorMenuItem(_("Open Windows"))
+            );
 
-        for (let i = 0; i < windows.length; i++) {
-            let window = windows[i];
-            if (!separatorShown && window.get_workspace() != activeWorkspace) {
-                this._appendSeparator();
-                separatorShown = true;
-            }
+        windows.forEach(window => {
             let title = window.title ? window.title
                                      : this._source.app.get_name();
             let item = this._appendMenuItem(title);
             item.connect('activate', () => {
                 this.emit('activate-window', window);
             });
-        }
+        });
 
         if (!this._source.app.is_window_backed()) {
             this._appendSeparator();
@@ -1733,7 +1713,7 @@ var AppIconMenu = class AppIconMenu extends PopupMenu.PopupMenu {
             let appInfo = this._source.app.get_app_info();
             let actions = appInfo.list_actions();
             if (this._source.app.can_open_new_window() &&
-                actions.indexOf('new-window') == -1) {
+                actions.includes('new-window')) {
                 this._newWindowMenuItem = this._appendMenuItem(_("New Window"));
                 this._newWindowMenuItem.connect('activate', () => {
                     if (this._source.app.state == Shell.AppState.STOPPED)
@@ -1747,7 +1727,7 @@ var AppIconMenu = class AppIconMenu extends PopupMenu.PopupMenu {
 
             if (discreteGpuAvailable &&
                 this._source.app.state == Shell.AppState.STOPPED &&
-                actions.indexOf('activate-discrete-gpu') == -1) {
+                actions.includes('activate-discrete-gpu')) {
                 this._onDiscreteGpuMenuItem = this._appendMenuItem(_("Launch using Dedicated Graphics Card"));
                 this._onDiscreteGpuMenuItem.connect('activate', () => {
                     if (this._source.app.state == Shell.AppState.STOPPED)

js/ui/appFavorites.js

@@ -14,39 +14,47 @@ const RENAMED_DESKTOP_IDS = {
     'epiphany.desktop': 'org.gnome.Epiphany.desktop',
     'evolution.desktop': 'org.gnome.Evolution.desktop',
     'file-roller.desktop': 'org.gnome.FileRoller.desktop',
+    'five-or-more.desktop': 'org.gnome.five-or-more.desktop',
+    'four-in-a-row.desktop': 'org.gnome.Four-in-a-row.desktop',
     'gcalctool.desktop': 'org.gnome.Calculator.desktop',
     'geary.desktop': 'org.gnome.Geary.desktop',
     'gedit.desktop': 'org.gnome.gedit.desktop',
-    'glchess.desktop': 'gnome-chess.desktop',
-    'glines.desktop': 'five-or-more.desktop',
-    'gnect.desktop': 'four-in-a-row.desktop',
+    'glchess.desktop': 'org.gnome.Chess.desktop',
+    'glines.desktop': 'org.gnome.five-or-more.desktop',
+    'gnect.desktop': 'org.gnome.Four-in-a-row.desktop',
     'gnibbles.desktop': 'org.gnome.Nibbles.desktop',
-    'gnobots2.desktop': 'gnome-robots.desktop',
+    'gnobots2.desktop': 'org.gnome.Robots.desktop',
     'gnome-boxes.desktop': 'org.gnome.Boxes.desktop',
     'gnome-calculator.desktop': 'org.gnome.Calculator.desktop',
+    'gnome-chess.desktop': 'org.gnome.Chess.desktop',
     'gnome-clocks.desktop': 'org.gnome.clocks.desktop',
     'gnome-contacts.desktop': 'org.gnome.Contacts.desktop',
     'gnome-documents.desktop': 'org.gnome.Documents.desktop',
     'gnome-font-viewer.desktop': 'org.gnome.font-viewer.desktop',
+    'gnome-klotski.desktop': 'org.gnome.Klotski.desktop',
     'gnome-nibbles.desktop': 'org.gnome.Nibbles.desktop',
     'gnome-mahjongg.desktop': 'org.gnome.Mahjongg.desktop',
+    'gnome-mines.desktop': 'org.gnome.Mines.desktop',
     'gnome-music.desktop': 'org.gnome.Music.desktop',
     'gnome-photos.desktop': 'org.gnome.Photos.desktop',
+    'gnome-robots.desktop': 'org.gnome.Robots.desktop',
     'gnome-screenshot.desktop': 'org.gnome.Screenshot.desktop',
     'gnome-software.desktop': 'org.gnome.Software.desktop',
     'gnome-terminal.desktop': 'org.gnome.Terminal.desktop',
+    'gnome-tetravex.desktop': 'org.gnome.Tetravex.desktop',
     'gnome-tweaks.desktop': 'org.gnome.tweaks.desktop',
     'gnome-weather.desktop': 'org.gnome.Weather.desktop',
-    'gnomine.desktop': 'gnome-mines.desktop',
-    'gnotravex.desktop': 'gnome-tetravex.desktop',
-    'gnotski.desktop': 'gnome-klotski.desktop',
-    'gtali.desktop': 'tali.desktop',
+    'gnomine.desktop': 'org.gnome.Mines.desktop',
+    'gnotravex.desktop': 'org.gnome.Tetravex.desktop',
+    'gnotski.desktop': 'org.gnome.Klotski.desktop',
+    'gtali.desktop': 'org.gnome.Tali.desktop',
     'iagno.desktop': 'org.gnome.Reversi.desktop',
     'nautilus.desktop': 'org.gnome.Nautilus.desktop',
     'org.gnome.gnome-2048.desktop': 'org.gnome.TwentyFortyEight.desktop',
     'org.gnome.taquin.desktop': 'org.gnome.Taquin.desktop',
     'org.gnome.Weather.Application.desktop': 'org.gnome.Weather.desktop',
     'polari.desktop': 'org.gnome.Polari.desktop',
+    'tali.desktop': 'org.gnome.Tali.desktop',
     'totem.desktop': 'org.gnome.Totem.desktop',
     'evince.desktop': 'org.gnome.Evince.desktop',
 };
@@ -55,7 +63,7 @@ class AppFavorites {
     constructor() {
         this.FAVORITE_APPS_KEY = 'favorite-apps';
         this._favorites = {};
-        global.settings.connect('changed::' + this.FAVORITE_APPS_KEY, this._onFavsChanged.bind(this));
+        global.settings.connect(`changed::${this.FAVORITE_APPS_KEY}`, this._onFavsChanged.bind(this));
         this.reload();
     }
 
@@ -179,7 +187,7 @@ class AppFavorites {
                                    }
                                  });
     }
-};
+}
 Signals.addSignalMethods(AppFavorites.prototype);
 
 var appFavoritesInstance = null;

js/ui/audioDeviceSelection.js

@@ -1,4 +1,4 @@
-const { Clutter, Gio, GLib, Meta, Shell, St } = imports.gi;
+const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
 
 const Main = imports.ui.main;
 const ModalDialog = imports.ui.modalDialog;
@@ -13,10 +13,11 @@ var AudioDevice = {
 
 const AudioDeviceSelectionIface = loadInterfaceXML('org.gnome.Shell.AudioDeviceSelection');
 
-var AudioDeviceSelectionDialog =
-class AudioDeviceSelectionDialog extends ModalDialog.ModalDialog {
-    constructor(devices) {
-        super({ styleClass: 'audio-device-selection-dialog' });
+var AudioDeviceSelectionDialog = GObject.registerClass({
+    Signals: { 'device-selected': { param_types: [GObject.TYPE_UINT] } }
+}, class AudioDeviceSelectionDialog extends ModalDialog.ModalDialog {
+    _init(devices) {
+        super._init({ styleClass: 'audio-device-selection-dialog' });
 
         this._deviceItems = {};
 
@@ -33,10 +34,6 @@ class AudioDeviceSelectionDialog extends ModalDialog.ModalDialog {
             throw new Error('Too few devices for a selection');
     }
 
-    destroy() {
-        super.destroy();
-    }
-
     _buildLayout(devices) {
         let title = new St.Label({ style_class: 'audio-selection-title',
                                    text: _("Select Audio Device"),
@@ -57,28 +54,28 @@ class AudioDeviceSelectionDialog extends ModalDialog.ModalDialog {
     }
 
     _getDeviceLabel(device) {
-        switch(device) {
-            case AudioDevice.HEADPHONES:
-                return _("Headphones");
-            case AudioDevice.HEADSET:
-                return _("Headset");
-            case AudioDevice.MICROPHONE:
-                return _("Microphone");
-            default:
-                return null;
+        switch (device) {
+        case AudioDevice.HEADPHONES:
+            return _("Headphones");
+        case AudioDevice.HEADSET:
+            return _("Headset");
+        case AudioDevice.MICROPHONE:
+            return _("Microphone");
+        default:
+            return null;
         }
     }
 
     _getDeviceIcon(device) {
-        switch(device) {
-            case AudioDevice.HEADPHONES:
-                return 'audio-headphones-symbolic';
-            case AudioDevice.HEADSET:
-                return 'audio-headset-symbolic';
-            case AudioDevice.MICROPHONE:
-                return 'audio-input-microphone-symbolic';
-            default:
-                return null;
+        switch (device) {
+        case AudioDevice.HEADPHONES:
+            return 'audio-headphones-symbolic';
+        case AudioDevice.HEADSET:
+            return 'audio-headset-symbolic';
+        case AudioDevice.MICROPHONE:
+            return 'audio-input-microphone-symbolic';
+        default:
+            return null;
         }
     }
 
@@ -113,11 +110,11 @@ class AudioDeviceSelectionDialog extends ModalDialog.ModalDialog {
     }
 
     _openSettings() {
-        let desktopFile = 'gnome-sound-panel.desktop'
+        let desktopFile = 'gnome-sound-panel.desktop';
         let app = Shell.AppSystem.get_default().lookup_app(desktopFile);
 
         if (!app) {
-            log('Settings panel for desktop file ' + desktopFile + ' could not be loaded!');
+            log(`Settings panel for desktop file ${desktopFile} could not be loaded!`);
             return;
         }
 
@@ -125,7 +122,7 @@ class AudioDeviceSelectionDialog extends ModalDialog.ModalDialog {
         Main.overview.hide();
         app.activate();
     }
-};
+});
 
 var AudioDeviceSelectionDBus = class AudioDeviceSelectionDBus {
     constructor() {
@@ -162,12 +159,12 @@ var AudioDeviceSelectionDBus = class AudioDeviceSelectionDBus {
 
         let [deviceNames] = params;
         let devices = 0;
-        deviceNames.forEach(n => { devices |= AudioDevice[n.toUpperCase()]; });
+        deviceNames.forEach(n => devices |= AudioDevice[n.toUpperCase()]);
 
         let dialog;
         try {
             dialog = new AudioDeviceSelectionDialog(devices);
-        } catch(e) {
+        } catch (e) {
             invocation.return_value(null);
             return;
         }

js/ui/background.js

@@ -108,7 +108,6 @@ const PRIMARY_COLOR_KEY = 'primary-color';
 const SECONDARY_COLOR_KEY = 'secondary-color';
 const COLOR_SHADING_TYPE_KEY = 'color-shading-type';
 const BACKGROUND_STYLE_KEY = 'picture-options';
-const PICTURE_OPACITY_KEY = 'picture-opacity';
 const PICTURE_URI_KEY = 'picture-uri';
 
 var FADE_ANIMATION_TIME = 1.0;
@@ -257,14 +256,15 @@ var Background = class Background {
                 this._refreshAnimation();
             });
 
-        this._settingsChangedSignalId = this._settings.connect('changed', () => {
-            this.emit('changed');
-        });
+        this._settingsChangedSignalId =
+            this._settings.connect('changed', this._emitChangedSignal.bind(this));
 
         this._load();
     }
 
     destroy() {
+        this.background = null;
+
         this._cancellable.cancel();
         this._removeAnimationTimeout();
 
@@ -288,6 +288,22 @@ var Background = class Background {
         if (this._settingsChangedSignalId != 0)
             this._settings.disconnect(this._settingsChangedSignalId);
         this._settingsChangedSignalId = 0;
+
+        if (this._changedIdleId) {
+            GLib.source_remove(this._changedIdleId);
+            this._changedIdleId = 0;
+        }
+    }
+
+    _emitChangedSignal() {
+        if (this._changedIdleId)
+            return;
+
+        this._changedIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
+            this._changedIdleId = 0;
+            this.emit('changed');
+            return GLib.SOURCE_REMOVE;
+        });
     }
 
     updateResolution() {
@@ -343,7 +359,7 @@ var Background = class Background {
                                                if (changedFile.equal(file)) {
                                                    let imageCache = Meta.BackgroundImageCache.get_default();
                                                    imageCache.purge(changedFile);
-                                                   this.emit('changed');
+                                                   this._emitChangedSignal();
                                                }
                                            });
         this._fileWatches[key] = signalId;
@@ -416,12 +432,12 @@ var Background = class Background {
             return;
 
         this._updateAnimationTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT,
-                                                      interval,
-                                                      () => {
-                                                          this._updateAnimationTimeoutId = 0;
-                                                          this._updateAnimation();
-                                                          return GLib.SOURCE_REMOVE;
-                                                      });
+                                                          interval,
+                                                          () => {
+                                                              this._updateAnimationTimeoutId = 0;
+                                                              this._updateAnimation();
+                                                              return GLib.SOURCE_REMOVE;
+                                                          });
         GLib.Source.set_name_by_id(this._updateAnimationTimeoutId, '[gnome-shell] this._updateAnimation');
     }
 
@@ -448,9 +464,9 @@ var Background = class Background {
 
         let cache = Meta.BackgroundImageCache.get_default();
         let image = cache.load(file);
-        if (image.is_loaded())
+        if (image.is_loaded()) {
             this._setLoaded();
-        else {
+        } else {
             let id = image.connect('loaded', () => {
                 this._setLoaded();
                 image.disconnect(id);
@@ -699,7 +715,6 @@ var BackgroundManager = class BackgroundManager {
                            time: FADE_ANIMATION_TIME,
                            transition: 'easeOutQuad',
                            onComplete() {
-                               oldBackgroundActor.background.run_dispose();
                                oldBackgroundActor.destroy();
                            }
                          });

js/ui/backgroundMenu.js

@@ -25,7 +25,7 @@ var BackgroundMenu = class BackgroundMenu extends PopupMenu.PopupMenu {
 function addBackgroundMenu(actor, layoutManager) {
     actor.reactive = true;
     actor._backgroundMenu = new BackgroundMenu(layoutManager);
-    actor._backgroundManager = new PopupMenu.PopupMenuManager({ actor: actor });
+    actor._backgroundManager = new PopupMenu.PopupMenuManager(actor);
     actor._backgroundManager.addMenu(actor._backgroundMenu);
 
     function openMenu(x, y) {

js/ui/barLevel.js

@@ -14,7 +14,7 @@ var BarLevel = class {
         this._barLevelWidth = 0;
 
         if (params == undefined)
-            params = {}
+            params = {};
 
         this.actor = new St.DrawingArea({ styleClass: params['styleClass'] || 'barlevel',
                                           can_focus: params['canFocus'] || false,
@@ -105,7 +105,7 @@ var BarLevel = class {
             overdriveSeparatorWidth = themeNode.get_length('-barlevel-overdrive-separator-width');
 
         /* background bar */
-        cr.arc(width - barLevelBorderRadius - barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * 3 / 4, TAU * 1 / 4);
+        cr.arc(width - barLevelBorderRadius - barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * (3 / 4), TAU * (1 / 4));
         cr.lineTo(endX, (height + barLevelHeight) / 2);
         cr.lineTo(endX, (height - barLevelHeight) / 2);
         cr.lineTo(width - barLevelBorderRadius - barLevelBorderWidth, (height - barLevelHeight) / 2);
@@ -117,11 +117,12 @@ var BarLevel = class {
 
         /* normal progress bar */
         let x = Math.min(endX, overdriveSeparatorX - overdriveSeparatorWidth / 2);
-        cr.arc(barLevelBorderRadius + barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * 1 / 4, TAU * 3 / 4);
+        cr.arc(barLevelBorderRadius + barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * (1 / 4), TAU * (3 / 4));
         cr.lineTo(x, (height - barLevelHeight) / 2);
         cr.lineTo(x, (height + barLevelHeight) / 2);
         cr.lineTo(barLevelBorderRadius + barLevelBorderWidth, (height + barLevelHeight) / 2);
-        Clutter.cairo_set_source_color(cr, barLevelActiveColor);
+        if (this._value > 0)
+            Clutter.cairo_set_source_color(cr, barLevelActiveColor);
         cr.fillPreserve();
         Clutter.cairo_set_source_color(cr, barLevelActiveBorderColor);
         cr.setLineWidth(barLevelBorderWidth);
@@ -143,17 +144,19 @@ var BarLevel = class {
         }
 
         /* end progress bar arc */
-        if (this._value <= this._overdriveStart)
-            Clutter.cairo_set_source_color(cr, barLevelActiveColor);
-        else
-            Clutter.cairo_set_source_color(cr, barLevelOverdriveColor);
-        cr.arc(endX, height / 2, barLevelBorderRadius, TAU * 3 / 4, TAU * 1 / 4);
-        cr.lineTo(Math.floor(endX), (height + barLevelHeight) / 2);
-        cr.lineTo(Math.floor(endX), (height - barLevelHeight) / 2);
-        cr.lineTo(endX, (height - barLevelHeight) / 2);
-        cr.fillPreserve();
-        cr.setLineWidth(barLevelBorderWidth);
-        cr.stroke();
+        if (this._value > 0) {
+            if (this._value <= this._overdriveStart)
+                Clutter.cairo_set_source_color(cr, barLevelActiveColor);
+            else
+                Clutter.cairo_set_source_color(cr, barLevelOverdriveColor);
+            cr.arc(endX, height / 2, barLevelBorderRadius, TAU * (3 / 4), TAU * (1 / 4));
+            cr.lineTo(Math.floor(endX), (height + barLevelHeight) / 2);
+            cr.lineTo(Math.floor(endX), (height - barLevelHeight) / 2);
+            cr.lineTo(endX, (height - barLevelHeight) / 2);
+            cr.fillPreserve();
+            cr.setLineWidth(barLevelBorderWidth);
+            cr.stroke();
+        }
 
         /* draw overdrive separator */
         if (overdriveActive) {

js/ui/boxpointer.js

@@ -1,6 +1,6 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
-const { Clutter, GObject, Meta, Shell, St } = imports.gi;
+const { Clutter, GObject, Shell, St } = imports.gi;
 
 const Main = imports.ui.main;
 const Tweener = imports.ui.tweener;
@@ -24,7 +24,7 @@ var POPUP_ANIMATION_TIME = 0.15;
  * placed.  The arrow position may be controlled via
  * setArrowOrigin(). The arrow side might be temporarily flipped
  * depending on the box size and source position to keep the box
- * totally inside the monitor if possible.
+ * totally inside the monitor workarea if possible.
  *
  */
 var BoxPointer = GObject.registerClass({
@@ -33,8 +33,6 @@ var BoxPointer = GObject.registerClass({
     _init(arrowSide, binProperties) {
         super._init();
 
-        this.actor = this;
-
         this.set_offscreen_redirect(Clutter.OffscreenRedirect.ALWAYS);
 
         this._arrowSide = arrowSide;
@@ -47,13 +45,18 @@ var BoxPointer = GObject.registerClass({
         this._border.connect('repaint', this._drawBorder.bind(this));
         this.add_actor(this._border);
         this.bin.raise(this._border);
-        this._xOffset = 0;
-        this._yOffset = 0;
-        this._xPosition = 0;
-        this._yPosition = 0;
         this._sourceAlignment = 0.5;
         this._capturedEventId = 0;
         this._muteInput();
+
+        this.connect('destroy', this._onDestroy.bind(this));
+    }
+
+    _onDestroy() {
+        if (this._sourceActorDestroyId) {
+            this._sourceActor.disconnect(this._sourceActorDestroyId);
+            delete this._sourceActorDestroyId;
+        }
     }
 
     get arrowSide() {
@@ -73,36 +76,6 @@ var BoxPointer = GObject.registerClass({
         }
     }
 
-    // BoxPointer.show() and BoxPointer.hide() are here for only compatibility
-    // purposes, and will be removed in 3.32.
-    show(animate, onComplete) {
-        if (animate !== undefined) {
-            try {
-                throw new Error('BoxPointer.show() has been moved to BoxPointer.open(), this code will break in the future.');
-            } catch(e) {
-                logError(e);
-                this.open(animate, onComplete);
-                return;
-            }
-        }
-
-        this.visible = true;
-    }
-
-    hide(animate, onComplete) {
-        if (animate !== undefined) {
-            try {
-                throw new Error('BoxPointer.hide() has been moved to BoxPointer.close(), this code will break in the future.');
-            } catch(e) {
-                logError(e);
-                this.close(animate, onComplete);
-                return;
-            }
-        }
-
-        this.visible = false;
-    }
-
     open(animate, onComplete) {
         let themeNode = this.get_theme_node();
         let rise = themeNode.get_length('-arrow-rise');
@@ -117,24 +90,24 @@ var BoxPointer = GObject.registerClass({
 
         if (animate & PopupAnimation.SLIDE) {
             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;
+            case St.Side.TOP:
+                this.translation_y = -rise;
+                break;
+            case St.Side.BOTTOM:
+                this.translation_y = rise;
+                break;
+            case St.Side.LEFT:
+                this.translation_x = -rise;
+                break;
+            case St.Side.RIGHT:
+                this.translation_x = rise;
+                break;
             }
         }
 
         Tweener.addTween(this, { opacity: 255,
-                                 xOffset: 0,
-                                 yOffset: 0,
+                                 translation_x: 0,
+                                 translation_y: 0,
                                  transition: 'linear',
                                  onComplete: () => {
                                      this._unmuteInput();
@@ -148,8 +121,8 @@ var BoxPointer = GObject.registerClass({
         if (!this.visible)
             return;
 
-        let xOffset = 0;
-        let yOffset = 0;
+        let translationX = 0;
+        let translationY = 0;
         let themeNode = this.get_theme_node();
         let rise = themeNode.get_length('-arrow-rise');
         let fade = (animate & PopupAnimation.FADE);
@@ -157,18 +130,18 @@ var BoxPointer = GObject.registerClass({
 
         if (animate & PopupAnimation.SLIDE) {
             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;
+            case St.Side.TOP:
+                translationY = rise;
+                break;
+            case St.Side.BOTTOM:
+                translationY = -rise;
+                break;
+            case St.Side.LEFT:
+                translationX = rise;
+                break;
+            case St.Side.RIGHT:
+                translationX = -rise;
+                break;
             }
         }
 
@@ -176,15 +149,15 @@ var BoxPointer = GObject.registerClass({
 
         Tweener.removeTweens(this);
         Tweener.addTween(this, { opacity: fade ? 0 : 255,
-                                 xOffset: xOffset,
-                                 yOffset: yOffset,
+                                 translation_x: translationX,
+                                 translation_y: translationY,
                                  transition: 'linear',
                                  time: animationTime,
                                  onComplete: () => {
                                      this.hide();
                                      this.opacity = 0;
-                                     this.xOffset = 0;
-                                     this.yOffset = 0;
+                                     this.translation_x = 0;
+                                     this.translation_y = 0;
                                      if (onComplete)
                                          onComplete();
                                  }
@@ -231,13 +204,10 @@ var BoxPointer = GObject.registerClass({
         this.set_allocation(box, flags);
 
         let themeNode = this.get_theme_node();
-        box = themeNode.get_content_box(box);
-
         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;
+        let [availWidth, availHeight] = themeNode.get_content_box(box).get_size();
 
         childBox.x1 = 0;
         childBox.y1 = 0;
@@ -250,24 +220,25 @@ var BoxPointer = GObject.registerClass({
         childBox.x2 = availWidth - borderWidth;
         childBox.y2 = availHeight - borderWidth;
         switch (this._arrowSide) {
-            case St.Side.TOP:
-                childBox.y1 += rise;
-                break;
-            case St.Side.BOTTOM:
-                childBox.y2 -= rise;
-                break;
-            case St.Side.LEFT:
-                childBox.x1 += rise;
-                break;
-            case St.Side.RIGHT:
-                childBox.x2 -= rise;
-                break;
+        case St.Side.TOP:
+            childBox.y1 += rise;
+            break;
+        case St.Side.BOTTOM:
+            childBox.y2 -= rise;
+            break;
+        case St.Side.LEFT:
+            childBox.x1 += rise;
+            break;
+        case St.Side.RIGHT:
+            childBox.x2 -= rise;
+            break;
         }
         this.bin.allocate(childBox, flags);
 
         if (this._sourceActor && this._sourceActor.mapped) {
-            this._reposition();
-            this._updateFlip();
+            this._reposition(box);
+            this._updateFlip(box);
+            this.set_allocation(box, flags);
         }
     }
 
@@ -293,7 +264,7 @@ var BoxPointer = GObject.registerClass({
         let borderRadius = themeNode.get_length('-arrow-border-radius');
 
         let halfBorder = borderWidth / 2;
-        let halfBase = Math.floor(base/2);
+        let halfBase = Math.floor(base / 2);
 
         let backgroundColor = themeNode.get_color('-arrow-background-color');
 
@@ -374,7 +345,7 @@ var BoxPointer = GObject.registerClass({
         if (!skipTopRight) {
             cr.lineTo(x2 - borderRadius, y1);
             cr.arc(x2 - borderRadius, y1 + borderRadius, borderRadius,
-                   3*Math.PI/2, Math.PI*2);
+                   3 * Math.PI / 2, Math.PI * 2);
         }
 
         if (this._arrowSide == St.Side.RIGHT && rise) {
@@ -395,7 +366,7 @@ var BoxPointer = GObject.registerClass({
         if (!skipBottomRight) {
             cr.lineTo(x2, y2 - borderRadius);
             cr.arc(x2 - borderRadius, y2 - borderRadius, borderRadius,
-                   0, Math.PI/2);
+                   0, Math.PI / 2);
         }
 
         if (this._arrowSide == St.Side.BOTTOM && rise) {
@@ -416,7 +387,7 @@ var BoxPointer = GObject.registerClass({
         if (!skipBottomLeft) {
             cr.lineTo(x1 + borderRadius, y2);
             cr.arc(x1 + borderRadius, y2 - borderRadius, borderRadius,
-                   Math.PI/2, Math.PI);
+                   Math.PI / 2, Math.PI);
         }
 
         if (this._arrowSide == St.Side.LEFT && rise) {
@@ -425,7 +396,7 @@ var BoxPointer = GObject.registerClass({
                 cr.lineTo(x1 - rise, y1);
                 cr.lineTo(x1 + borderRadius, y1);
             } else if (skipBottomLeft) {
-                cr.lineTo(x1 - rise, y2)
+                cr.lineTo(x1 - rise, y2);
                 cr.lineTo(x1 - rise, y2 - halfBase);
             } else {
                 cr.lineTo(x1, this._arrowOrigin + halfBase);
@@ -437,7 +408,7 @@ var BoxPointer = GObject.registerClass({
         if (!skipTopLeft) {
             cr.lineTo(x1, y1 + borderRadius);
             cr.arc(x1 + borderRadius, y1 + borderRadius, borderRadius,
-                   Math.PI, 3*Math.PI/2);
+                   Math.PI, 3 * Math.PI / 2);
         }
 
         Clutter.cairo_set_source_color(cr, backgroundColor);
@@ -454,15 +425,25 @@ var BoxPointer = GObject.registerClass({
     }
 
     setPosition(sourceActor, alignment) {
-        // We need to show it now to force an allocation,
-        // so that we can query the correct size.
-        this.show();
+        if (!this._sourceActor || sourceActor != this._sourceActor) {
+            if (this._sourceActorDestroyId) {
+                this._sourceActor.disconnect(this._sourceActorDestroyId);
+                delete this._sourceActorDestroyId;
+            }
+
+            this._sourceActor = sourceActor;
+
+            if (this._sourceActor) {
+                this._sourceActorDestroyId = this._sourceActor.connect('destroy', () => {
+                    this._sourceActor = null;
+                    delete this._sourceActorDestroyId;
+                });
+            }
+        }
 
-        this._sourceActor = sourceActor;
         this._arrowAlignment = alignment;
 
-        this._reposition();
-        this._updateFlip();
+        this.queue_relayout();
     }
 
     setSourceAlignment(alignment) {
@@ -474,14 +455,18 @@ var BoxPointer = GObject.registerClass({
         this.setPosition(this._sourceActor, this._arrowAlignment);
     }
 
-    _reposition() {
+    _reposition(allocationBox) {
         let sourceActor = this._sourceActor;
         let alignment = this._arrowAlignment;
+        let monitorIndex = Main.layoutManager.findIndexForActor(sourceActor);
+
+        this._sourceAllocation = Shell.util_get_transformed_allocation(sourceActor);
+        this._workArea = Main.layoutManager.getWorkAreaForMonitor(monitorIndex);
 
         // 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 sourceAllocation = this._sourceAllocation;
         let sourceCenterX = sourceAllocation.x1 + sourceContentBox.x1 + (sourceContentBox.x2 - sourceContentBox.x1) * this._sourceAlignment;
         let sourceCenterY = sourceAllocation.y1 + sourceContentBox.y1 + (sourceContentBox.y2 - sourceContentBox.y1) * this._sourceAlignment;
         let [minWidth, minHeight, natWidth, natHeight] = this.get_preferred_size();
@@ -489,7 +474,7 @@ var BoxPointer = GObject.registerClass({
         // 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 monitor = Main.layoutManager.findMonitorForActor(sourceActor);
+        let workarea = this._workArea;
         let themeNode = this.get_theme_node();
         let borderWidth = themeNode.get_length('-arrow-border-width');
         let arrowBase = themeNode.get_length('-arrow-base');
@@ -528,7 +513,7 @@ var BoxPointer = GObject.registerClass({
         //     of the box to maintain the arrow's accuracy.
 
         let arrowOrigin;
-        let halfBase = Math.floor(arrowBase/2);
+        let halfBase = Math.floor(arrowBase / 2);
         let halfBorder = borderWidth / 2;
         let halfMargin = margin / 2;
         let [x1, y1] = [halfBorder, halfBorder];
@@ -539,8 +524,8 @@ var BoxPointer = GObject.registerClass({
         case St.Side.BOTTOM:
             resX = sourceCenterX - (halfMargin + (natWidth - margin) * alignment);
 
-            resX = Math.max(resX, monitor.x + padding);
-            resX = Math.min(resX, monitor.x + monitor.width - (padding + natWidth));
+            resX = Math.max(resX, workarea.x + padding);
+            resX = Math.min(resX, workarea.x + workarea.width - (padding + natWidth));
 
             arrowOrigin = sourceCenterX - resX;
             if (arrowOrigin <= (x1 + (borderRadius + halfBase))) {
@@ -558,8 +543,8 @@ var BoxPointer = GObject.registerClass({
         case St.Side.RIGHT:
             resY = sourceCenterY - (halfMargin + (natHeight - margin) * alignment);
 
-            resY = Math.max(resY, monitor.y + padding);
-            resY = Math.min(resY, monitor.y + monitor.height - (padding + natHeight));
+            resY = Math.max(resY, workarea.y + padding);
+            resY = Math.min(resY, workarea.y + workarea.height - (padding + natHeight));
 
             arrowOrigin = sourceCenterY - resY;
             if (arrowOrigin <= (y1 + (borderRadius + halfBase))) {
@@ -583,9 +568,8 @@ var BoxPointer = GObject.registerClass({
             parent = parent.get_parent();
         }
 
-        this._xPosition = Math.floor(x);
-        this._yPosition = Math.floor(y);
-        this._shiftActor();
+        // Actually set the position
+        allocationBox.set_origin(Math.floor(x), Math.floor(y));
     }
 
     // @origin: Coordinate specifying middle of the arrow, along
@@ -608,44 +592,30 @@ var BoxPointer = GObject.registerClass({
         }
     }
 
-    _shiftActor() {
-        // 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 BoxPointer 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.set_anchor_point(-(this._xPosition + this._xOffset),
-                              -(this._yPosition + this._yOffset));
-    }
-
     _calculateArrowSide(arrowSide) {
-        let sourceAllocation = Shell.util_get_transformed_allocation(this._sourceActor);
+        let sourceAllocation = this._sourceAllocation;
         let [minWidth, minHeight, boxWidth, boxHeight] = this.get_preferred_size();
-        let monitorActor = this.sourceActor;
-        if (!monitorActor)
-            monitorActor = this;
-        let monitor = Main.layoutManager.findMonitorForActor(monitorActor);
+        let workarea = this._workArea;
 
         switch (arrowSide) {
         case St.Side.TOP:
-            if (sourceAllocation.y2 + boxHeight > monitor.y + monitor.height &&
-                boxHeight < sourceAllocation.y1 - monitor.y)
+            if (sourceAllocation.y2 + boxHeight > workarea.y + workarea.height &&
+                boxHeight < sourceAllocation.y1 - workarea.y)
                 return St.Side.BOTTOM;
             break;
         case St.Side.BOTTOM:
-            if (sourceAllocation.y1 - boxHeight < monitor.y &&
-                boxHeight < monitor.y + monitor.height - sourceAllocation.y2)
+            if (sourceAllocation.y1 - boxHeight < workarea.y &&
+                boxHeight < workarea.y + workarea.height - sourceAllocation.y2)
                 return St.Side.TOP;
             break;
         case St.Side.LEFT:
-            if (sourceAllocation.x2 + boxWidth > monitor.x + monitor.width &&
-                boxWidth < sourceAllocation.x1 - monitor.x)
+            if (sourceAllocation.x2 + boxWidth > workarea.x + workarea.width &&
+                boxWidth < sourceAllocation.x1 - workarea.x)
                 return St.Side.RIGHT;
             break;
         case St.Side.RIGHT:
-            if (sourceAllocation.x1 - boxWidth < monitor.x &&
-                boxWidth < monitor.x + monitor.width - sourceAllocation.x2)
+            if (sourceAllocation.x1 - boxWidth < workarea.x &&
+                boxWidth < workarea.x + workarea.width - sourceAllocation.x2)
                 return St.Side.LEFT;
             break;
         }
@@ -653,38 +623,16 @@ var BoxPointer = GObject.registerClass({
         return arrowSide;
     }
 
-    _updateFlip() {
+    _updateFlip(allocationBox) {
         let arrowSide = this._calculateArrowSide(this._userArrowSide);
         if (this._arrowSide != arrowSide) {
             this._arrowSide = arrowSide;
-            this._reposition();
-            Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
-                this.queue_relayout();
-                return false;
-            });
+            this._reposition(allocationBox);
 
             this.emit('arrow-side-changed');
         }
     }
 
-    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;
-    }
-
     updateArrowSide(side) {
         this._arrowSide = side;
         this._border.queue_repaint();

js/ui/calendar.js

@@ -17,7 +17,7 @@ var ELLIPSIS_CHAR = '\u2026';
 
 var MESSAGE_ICON_SIZE = -1; // pick up from CSS
 
-var NC_ = (context, str) => context + '\u0004' + str;
+var NC_ = (context, str) => `${context}\u0004${str}`;
 
 function sameYear(dateA, dateB) {
     return (dateA.getYear() == dateB.getYear());
@@ -38,7 +38,7 @@ function isToday(date) {
 function _isWorkDay(date) {
     /* Translators: Enter 0-6 (Sunday-Saturday) for non-work days. Examples: "0" (Sunday) "6" (Saturday) "06" (Sunday and Saturday). */
     let days = C_('calendar-no-work', "06");
-    return days.indexOf(date.getDay().toString()) == -1;
+    return !days.includes(date.getDay().toString());
 }
 
 function _getBeginningOfDay(date) {
@@ -143,8 +143,7 @@ function _datesEqual(a, b) {
     return true;
 }
 
-function _dateIntervalsOverlap(a0, a1, b0, b1)
-{
+function _dateIntervalsOverlap(a0, a1, b0, b1) {
     if (a1 <= b0)
         return false;
     else if (b1 <= a0)
@@ -168,7 +167,7 @@ var DBusEventSource = class DBusEventSource {
             try {
                 this._dbusProxy.init_finish(result);
                 loaded = true;
-            } catch(e) {
+            } catch (e) {
                 if (e.matches(Gio.DBusError, Gio.DBusError.TIMED_OUT)) {
                     // Ignore timeouts and install signals as normal, because with high
                     // probability the service will appear later on, and we will get a
@@ -178,7 +177,7 @@ var DBusEventSource = class DBusEventSource {
                     // about the HasCalendars property and would cause an exception trying
                     // to read it)
                 } else {
-                    log('Error loading calendars: ' + e.message);
+                    log(`Error loading calendars: ${e.message}`);
                     return;
                 }
             }
@@ -263,7 +262,7 @@ var DBusEventSource = class DBusEventSource {
         if (!this._initialized)
             return;
 
-        if (this._curRequestBegin && this._curRequestEnd){
+        if (this._curRequestBegin && this._curRequestEnd) {
             this._dbusProxy.GetEventsRemote(this._curRequestBegin.getTime() / 1000,
                                             this._curRequestEnd.getTime() / 1000,
                                             forceReload,
@@ -285,7 +284,7 @@ var DBusEventSource = class DBusEventSource {
 
     getEvents(begin, end) {
         let result = [];
-        for(let n = 0; n < this._events.length; n++) {
+        for (let n = 0; n < this._events.length; n++) {
             let event = this._events[n];
 
             if (_dateIntervalsOverlap (event.date, event.end, begin, end)) {
@@ -320,7 +319,7 @@ var Calendar = class Calendar {
         this._weekStart = Shell.util_get_week_start();
         this._settings = new Gio.Settings({ schema_id: 'org.gnome.desktop.calendar' });
 
-        this._settings.connect('changed::' + SHOW_WEEKDATE_KEY, this._onSettingsChange.bind(this));
+        this._settings.connect(`changed::${SHOW_WEEKDATE_KEY}`, this._onSettingsChange.bind(this));
         this._useWeekdate = this._settings.get_boolean(SHOW_WEEKDATE_KEY);
 
         /**
@@ -402,8 +401,8 @@ var Calendar = class Calendar {
         this._topBox.add(this._backButton);
         this._backButton.connect('clicked', this._onPrevMonthButtonClicked.bind(this));
 
-        this._monthLabel = new St.Label({style_class: 'calendar-month-label',
-                                         can_focus: true });
+        this._monthLabel = new St.Label({ style_class: 'calendar-month-label',
+                                          can_focus: true });
         this._topBox.add(this._monthLabel, { expand: true, x_fill: false, x_align: St.Align.MIDDLE });
 
         this._forwardButton = new St.Button({ style_class: 'calendar-change-month-forward pager-button',
@@ -466,8 +465,7 @@ var Calendar = class Calendar {
                 let day = 32 - new Date(newDate.getFullYear() - 1, 11, 32).getDate();
                 newDate = new Date(newDate.getFullYear() - 1, 11, day);
             }
-        }
-        else {
+        } else {
             newDate.setMonth(oldMonth - 1);
             if (newDate.getMonth() != oldMonth - 1) {
                 let day = 32 - new Date(newDate.getFullYear(), oldMonth - 1, 32).getDate();
@@ -490,8 +488,7 @@ var Calendar = class Calendar {
                 let day = 32 - new Date(newDate.getFullYear() + 1, 0, 32).getDate();
                 newDate = new Date(newDate.getFullYear() + 1, 0, day);
             }
-        }
-        else {
+        } else {
             newDate.setMonth(oldMonth + 1);
             if (newDate.getMonth() != oldMonth + 1) {
                 let day = 32 - new Date(newDate.getFullYear(), oldMonth + 1, 32).getDate();
@@ -546,8 +543,6 @@ var Calendar = class Calendar {
         this._calendarBegin = new Date(beginDate);
         this._markedAsToday = now;
 
-        let year = beginDate.getYear();
-
         let daysToWeekStart = (7 + beginDate.getDay() - this._weekStart) % 7;
         let startsOnWeekStart = daysToWeekStart == 0;
         let weekPadding = startsOnWeekStart ? 7 : 0;
@@ -559,7 +554,7 @@ var Calendar = class Calendar {
         let row = 2;
         // nRows here means 6 weeks + one header + one navbar
         let nRows = 8;
-        while (row < 8) {
+        while (row < nRows) {
             // xgettext:no-javascript-format
             let button = new St.Button({ label: iter.toLocaleFormat(C_("date day number format", "%d")),
                                          can_focus: true });
@@ -585,12 +580,12 @@ var Calendar = class Calendar {
 
             // Hack used in lieu of border-collapse - see gnome-shell.css
             if (row == 2)
-                styleClass = 'calendar-day-top ' + styleClass;
+                styleClass = `calendar-day-top ${styleClass}`;
 
             let leftMost = rtl ? iter.getDay() == (this._weekStart + 6) % 7
                                : iter.getDay() == this._weekStart;
             if (leftMost)
-                styleClass = 'calendar-day-left ' + styleClass;
+                styleClass = `calendar-day-left ${styleClass}`;
 
             if (sameDay(now, iter))
                 styleClass += ' calendar-today';
@@ -648,9 +643,9 @@ var Calendar = class Calendar {
                 button.add_style_pseudo_class('selected');
                 if (this._shouldDateGrabFocus)
                     button.grab_key_focus();
-            }
-            else
+            } else {
                 button.remove_style_pseudo_class('selected');
+            }
         });
     }
 };
@@ -1077,7 +1072,7 @@ var CalendarMessageList = class CalendarMessageList {
         this._clearButton.set_x_align(Clutter.ActorAlign.END);
         this._clearButton.connect('clicked', () => {
             let sections = [...this._sections.keys()];
-            sections.forEach((s) => { s.clear(); });
+            sections.forEach((s) => s.clear());
         });
         box.add_actor(this._clearButton);
 
@@ -1103,7 +1098,7 @@ var CalendarMessageList = class CalendarMessageList {
     _addSection(section) {
         let obj = {
             destroyId: 0,
-            visibleId:  0,
+            visibleId: 0,
             emptyChangedId: 0,
             canClearChangedId: 0,
             keyFocusId: 0

js/ui/closeDialog.js

@@ -6,12 +6,12 @@ const Dialog = imports.ui.dialog;
 const Main = imports.ui.main;
 const Tweener = imports.ui.tweener;
 
-var FROZEN_WINDOW_BRIGHTNESS = -0.3
-var DIALOG_TRANSITION_TIME = 0.15
+var FROZEN_WINDOW_BRIGHTNESS = -0.3;
+var DIALOG_TRANSITION_TIME = 0.15;
 var ALIVE_TIMEOUT = 5000;
 
 var CloseDialog = GObject.registerClass({
-    Implements: [ Meta.CloseDialog ],
+    Implements: [Meta.CloseDialog],
     Properties: {
         'window': GObject.ParamSpec.override('window', Meta.CloseDialog)
     },
@@ -56,12 +56,12 @@ var CloseDialog = GObject.registerClass({
         this._dialog.height = windowActor.height;
 
         this._dialog.addContent(this._createDialogContent());
-        this._dialog.addButton({ label:   _('Force Quit'),
-                                 action:  this._onClose.bind(this),
+        this._dialog.addButton({ label: _('Force Quit'),
+                                 action: this._onClose.bind(this),
                                  default: true });
-        this._dialog.addButton({ label:  _('Wait'),
+        this._dialog.addButton({ label: _('Wait'),
                                  action: this._onWait.bind(this),
-                                 key:    Clutter.Escape });
+                                 key: Clutter.Escape });
 
         global.focus_manager.add_group(this._dialog);
     }
@@ -165,7 +165,7 @@ var CloseDialog = GObject.registerClass({
         GLib.source_remove(this._timeoutId);
         this._timeoutId = 0;
 
-        global.display.disconnect(this._windowFocusChangedId)
+        global.display.disconnect(this._windowFocusChangedId);
         this._windowFocusChangedId = 0;
 
         global.stage.disconnect(this._keyFocusChangedId);

js/ui/components/__init__.js

@@ -13,13 +13,13 @@ var ComponentManager = class {
         let newEnabledComponents = Main.sessionMode.components;
 
         newEnabledComponents.filter(
-            name => this._enabledComponents.indexOf(name) == -1
+            name => !this._enabledComponents.includes(name)
         ).forEach(name => {
             this._enableComponent(name);
         });
 
         this._enabledComponents.filter(
-            name => newEnabledComponents.indexOf(name) == -1
+            name => !newEnabledComponents.includes(name)
         ).forEach(name => {
             this._disableComponent(name);
         });
@@ -37,8 +37,8 @@ var ComponentManager = class {
         if (component)
             return component;
 
-	if (Main.sessionMode.isLocked)
-	    return null;
+        if (Main.sessionMode.isLocked)
+            return null;
 
         let constructor = this._importComponent(name);
         component = new constructor();
@@ -48,7 +48,7 @@ var ComponentManager = class {
 
     _enableComponent(name) {
         let component = this._ensureComponent(name);
-	if (component)
+        if (component)
             component.enable();
     }
 

js/ui/components/automountManager.js

@@ -5,6 +5,7 @@ const Mainloop = imports.mainloop;
 const Params = imports.misc.params;
 
 const GnomeSession = imports.misc.gnomeSession;
+const Main = imports.ui.main;
 const ShellMountOperation = imports.ui.shellMountOperation;
 
 var GNOME_SESSION_AUTOMOUNT_INHIBIT = 16;
@@ -108,25 +109,23 @@ var AutomountManager = class {
         // we force stop/eject in this case, so we don't have to pass a
         // mount operation object
         if (drive.can_stop()) {
-            drive.stop
-                (Gio.MountUnmountFlags.FORCE, null, null,
-                 (drive, res) => {
-                     try {
-                         drive.stop_finish(res);
-                     } catch (e) {
-                         log("Unable to stop the drive after drive-eject-button " + e.toString());
-                     }
-                 });
+            drive.stop(Gio.MountUnmountFlags.FORCE, null, null,
+                (drive, res) => {
+                    try {
+                        drive.stop_finish(res);
+                    } catch (e) {
+                        log(`Unable to stop the drive after drive-eject-button ${e.toString()}`);
+                    }
+                });
         } else if (drive.can_eject()) {
-            drive.eject_with_operation 
-                (Gio.MountUnmountFlags.FORCE, null, null,
-                 (drive, res) => {
-                     try {
-                         drive.eject_with_operation_finish(res);
-                     } catch (e) {
-                         log("Unable to eject the drive after drive-eject-button " + e.toString());
-                     }
-                 });
+            drive.eject_with_operation(Gio.MountUnmountFlags.FORCE, null, null,
+                (drive, res) => {
+                    try {
+                        drive.eject_with_operation_finish(res);
+                    } catch (e) {
+                        log(`Unable to eject the drive after drive-eject-button ${e.toString()}`);
+                    }
+                });
         }
     }
 
@@ -199,12 +198,20 @@ var AutomountManager = class {
             // error strings are not unique for the cases in the comments below.
             if (e.message.includes('No key available with this passphrase') || // cryptsetup
                 e.message.includes('No key available to unlock device') ||     // udisks (no password)
-                e.message.includes('Error unlocking')) {                       // udisks (wrong password)
+                // libblockdev wrong password opening LUKS device
+                e.message.includes('Failed to activate device: Incorrect passphrase') ||
+                // cryptsetup returns EINVAL in many cases, including wrong TCRYPT password/parameters
+                e.message.includes('Failed to load device\'s parameters: Invalid argument')) {
+
                 this._reaskPassword(volume);
             } else {
-                if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.FAILED_HANDLED))
-                    log('Unable to mount volume ' + volume.get_name() + ': ' + e.toString());
+                if (e.message.includes('Compiled against a version of libcryptsetup that does not support the VeraCrypt PIM setting')) {
+                    Main.notifyError(_("Unable to unlock volume"),
+                        _("The installed udisks version does not support the PIM setting"));
+                }
 
+                if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.FAILED_HANDLED))
+                    log(`Unable to mount volume ${volume.get_name()}: ${e.toString()}`);
                 this._closeOperation(volume);
             }
         }

js/ui/components/autorunManager.js

@@ -40,7 +40,7 @@ function isMountRootHidden(root) {
     let path = root.get_path();
 
     // skip any mounts in hidden directory hierarchies
-    return (path.indexOf('/.') != -1);
+    return (path.includes('/.'));
 }
 
 function isMountNonLocal(mount) {
@@ -65,8 +65,7 @@ function startAppForMount(app, mount) {
         retval = app.launch(files, 
                             global.create_app_launch_context(0, -1));
     } catch (e) {
-        log('Unable to launch the application ' + app.get_name()
-            + ': ' + e.toString());
+        log(`Unable to launch the application ${app.get_name()}: ${e}`);
     }
 
     return retval;
@@ -107,8 +106,7 @@ var ContentTypeDiscoverer = class {
         try {
             contentTypes = mount.guess_content_type_finish(res);
         } catch (e) {
-            log('Unable to guess content types on added mount ' + mount.get_name()
-                + ': ' + e.toString());
+            log(`Unable to guess content types on added mount ${mount.get_name()}: ${e}`);
         }
 
         if (contentTypes.length) {
@@ -192,15 +190,15 @@ var AutorunDispatcher = class {
 
     _getAutorunSettingForType(contentType) {
         let runApp = this._settings.get_strv(SETTING_START_APP);
-        if (runApp.indexOf(contentType) != -1)
+        if (runApp.includes(contentType))
             return AutorunSetting.RUN;
 
         let ignore = this._settings.get_strv(SETTING_IGNORE);
-        if (ignore.indexOf(contentType) != -1)
+        if (ignore.includes(contentType))
             return AutorunSetting.IGNORE;
 
         let openFiles = this._settings.get_strv(SETTING_OPEN_FOLDER);
-        if (openFiles.indexOf(contentType) != -1)
+        if (openFiles.includes(contentType))
             return AutorunSetting.FILES;
 
         return AutorunSetting.ASK;

js/ui/components/keyring.js

@@ -10,9 +10,10 @@ const CheckBox = imports.ui.checkBox;
 
 var WORK_SPINNER_ICON_SIZE = 16;
 
-var KeyringDialog = class extends ModalDialog.ModalDialog {
-    constructor() {
-        super({ styleClass: 'prompt-dialog' });
+var KeyringDialog = GObject.registerClass(
+class KeyringDialog extends ModalDialog.ModalDialog {
+    _init() {
+        super._init({ styleClass: 'prompt-dialog' });
 
         this.prompt = new Shell.KeyringPrompt();
         this.prompt.connect('show-password', this._onShowPassword.bind(this));
@@ -23,20 +24,8 @@ var KeyringDialog = class extends ModalDialog.ModalDialog {
         this._content = new Dialog.MessageDialogContent({ icon });
         this.contentLayout.add(this._content);
 
-        // FIXME: Why does this break now?
-        /*
         this.prompt.bind_property('message', this._content, 'title', GObject.BindingFlags.SYNC_CREATE);
         this.prompt.bind_property('description', this._content, 'body', GObject.BindingFlags.SYNC_CREATE);
-        */
-        this.prompt.connect('notify::message', () => {
-            this._content.title = this.prompt.message;
-        });
-        this._content.title = this.prompt.message;
-
-        this.prompt.connect('notify::description', () => {
-            this._content.body = this.prompt.description;
-        });
-        this._content.body = this.prompt.description;
 
         this._workSpinner = null;
         this._controlTable = null;
@@ -173,7 +162,7 @@ var KeyringDialog = class extends ModalDialog.ModalDialog {
         // NOTE: ModalDialog.open() is safe to call if the dialog is
         // already open - it just returns true without side-effects
         if (this.open())
-          return true;
+            return true;
 
         // The above fail if e.g. unable to get input grab
         //
@@ -183,7 +172,7 @@ var KeyringDialog = class extends ModalDialog.ModalDialog {
 
         log('keyringPrompt: Failed to show modal dialog.' +
             ' Dismissing prompt request');
-        this.prompt.cancel()
+        this.prompt.cancel();
         return false;
     }
 
@@ -224,7 +213,7 @@ var KeyringDialog = class extends ModalDialog.ModalDialog {
     _onCancelButton() {
         this.prompt.cancel();
     }
-};
+});
 
 var KeyringDummyDialog = class {
     constructor() {

js/ui/components/networkAgent.js

@@ -1,6 +1,6 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
-const { Clutter, Gio, GLib, NM, Pango, Shell, St } = imports.gi;
+const { Clutter, Gio, GLib, GObject, NM, Pango, Shell, St } = imports.gi;
 const Signals = imports.signals;
 
 const Config = imports.misc.config;
@@ -12,9 +12,10 @@ const ShellEntry = imports.ui.shellEntry;
 
 const VPN_UI_GROUP = 'VPN Plugin UI';
 
-var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
-    constructor(agent, requestId, connection, settingName, hints, flags, contentOverride) {
-        super({ styleClass: 'prompt-dialog' });
+var NetworkSecretDialog = GObject.registerClass(
+class NetworkSecretDialog extends ModalDialog.ModalDialog {
+    _init(agent, requestId, connection, settingName, hints, flags, contentOverride) {
+        super._init({ styleClass: 'prompt-dialog' });
 
         this._agent = agent;
         this._requestId = requestId;
@@ -79,8 +80,9 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
                         secret.valid = secret.value.length > 0;
                     this._updateOkButton();
                 });
-            } else
+            } else {
                 secret.valid = true;
+            }
 
             if (rtl) {
                 layout.attach(secret.entry, 0, pos, 1, 1);
@@ -104,19 +106,19 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
             descriptionLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
 
             contentBox.messageBox.add(descriptionLabel,
-                                      { y_fill:  true,
+                                      { y_fill: true,
                                         y_align: St.Align.START,
                                         expand: true });
         }
 
-        this._okButton = { label:  _("Connect"),
+        this._okButton = { label: _("Connect"),
                            action: this._onOk.bind(this),
                            default: true
                          };
 
         this.setButtons([{ label: _("Cancel"),
                            action: this.cancel.bind(this),
-                           key:    Clutter.KEY_Escape,
+                           key: Clutter.KEY_Escape,
                          },
                          this._okButton]);
 
@@ -175,24 +177,25 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
         let value = secret.value;
         if (secret.wep_key_type == NM.WepKeyType.KEY) {
             if (value.length == 10 || value.length == 26) {
-		for (let i = 0; i < value.length; i++) {
+                for (let i = 0; i < value.length; i++) {
                     if (!((value[i] >= 'a' && value[i] <= 'f')
                           || (value[i] >= 'A' && value[i] <= 'F')
                           || (value[i] >= '0' && value[i] <= '9')))
                         return false;
-		}
-	    } else if (value.length == 5 || value.length == 13) {
-		for (let i = 0; i < value.length; i++) {
+                }
+            } else if (value.length == 5 || value.length == 13) {
+                for (let i = 0; i < value.length; i++) {
                     if (!((value[i] >= 'a' && value[i] <= 'z')
                           || (value[i] >= 'A' && value[i] <= 'Z')))
                         return false;
                 }
-            } else
+            } else {
                 return false;
-	} else if (secret.wep_key_type == NM.WepKeyType.PASSPHRASE) {
-	    if (value.length < 0 || value.length > 64)
-	        return false;
-	}
+            }
+        } else if (secret.wep_key_type == NM.WepKeyType.PASSPHRASE) {
+            if (value.length < 0 || value.length > 64)
+                return false;
+        }
         return true;
     }
 
@@ -213,7 +216,7 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
                            validate: this._validateWpaPsk, password: true });
             break;
         case 'none': // static WEP
-            secrets.push({ label: _("Key: "), key: 'wep-key' + wirelessSecuritySetting.wep_tx_keyidx,
+            secrets.push({ label: _("Key: "), key: `wep-key${wirelessSecuritySetting.wep_tx_keyidx}`,
                            value: wirelessSecuritySetting.get_wep_key(wirelessSecuritySetting.wep_tx_keyidx) || '',
                            wep_key_type: wirelessSecuritySetting.wep_key_type,
                            validate: this._validateStaticWep, password: true });
@@ -229,13 +232,12 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
             this._get8021xSecrets(secrets);
             break;
         default:
-            log('Invalid wireless key management: ' + wirelessSecuritySetting.key_mgmt);
+            log(`Invalid wireless key management: ${wirelessSecuritySetting.key_mgmt}`);
         }
     }
 
     _get8021xSecrets(secrets) {
         let ieee8021xSetting = this._connection.get_setting_802_1x();
-        let phase2method;
 
         /* If hints were given we know exactly what we need to ask */
         if (this._settingName == "802-1x" && this._hints.length) {
@@ -272,7 +274,7 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
                            value: ieee8021xSetting.private_key_password || '', password: true });
             break;
         default:
-            log('Invalid EAP/IEEE802.1x method: ' + ieee8021xSetting.get_eap_method(0));
+            log(`Invalid EAP/IEEE802.1x method: ${ieee8021xSetting.get_eap_method(0)}`);
         }
     }
 
@@ -303,7 +305,7 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
         let ssid;
 
         let content = { };
-        content.secrets = [ ];
+        content.secrets = [];
 
         switch (connectionType) {
         case '802-11-wireless':
@@ -326,7 +328,7 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
             this._getPPPoESecrets(content.secrets);
             break;
         case 'gsm':
-            if (this._hints.indexOf('pin') != -1) {
+            if (this._hints.includes('pin')) {
                 let gsmSetting = this._connection.get_setting_gsm();
                 content.title = _("PIN code required");
                 content.message = _("PIN code is needed for the mobile broadband device");
@@ -342,12 +344,12 @@ var NetworkSecretDialog = class extends ModalDialog.ModalDialog {
             this._getMobileSecrets(content.secrets, connectionType);
             break;
         default:
-            log('Invalid connection type: ' + connectionType);
-        };
+            log(`Invalid connection type: ${connectionType}`);
+        }
 
         return content;
     }
-};
+});
 
 var VPNRequestHandler = class {
     constructor(agent, requestId, authHelper, serviceType, connection, hints, flags) {
@@ -358,16 +360,15 @@ var VPNRequestHandler = class {
         this._pluginOutBuffer = [];
         this._title = null;
         this._description = null;
-        this._content = [ ];
+        this._content = [];
         this._shellDialog = null;
 
         let connectionSetting = connection.get_setting_connection();
 
-        let argv = [ authHelper.fileName,
-                     '-u', connectionSetting.uuid,
-                     '-n', connectionSetting.id,
-                     '-s', serviceType
-                   ];
+        let argv = [authHelper.fileName,
+                    '-u', connectionSetting.uuid,
+                    '-n', connectionSetting.id,
+                    '-s', serviceType];
         if (authHelper.externalUIMode)
             argv.push('--external-ui-mode');
         if (flags & NM.SecretAgentGetSecretsFlags.ALLOW_INTERACTION)
@@ -406,7 +407,7 @@ var VPNRequestHandler = class {
                                                     this._vpnChildFinished.bind(this));
 
             this._writeConnection();
-        } catch(e) {
+        } catch (e) {
             logError(e, 'error while spawning VPN auth helper');
 
             this._agent.respond(requestId, Shell.NetworkAgentResponse.INTERNAL_ERROR);
@@ -423,7 +424,7 @@ var VPNRequestHandler = class {
         } else {
             try {
                 this._stdin.write('QUIT\n\n', null);
-            } catch(e) { /* ignore broken pipe errors */ }
+            } catch (e) { /* ignore broken pipe errors */ }
         }
 
         this.destroy();
@@ -458,8 +459,9 @@ var VPNRequestHandler = class {
                 this._agent.respond(this._requestId, Shell.NetworkAgentResponse.USER_CANCELED);
             else
                 this._agent.respond(this._requestId, Shell.NetworkAgentResponse.CONFIRMED);
-        } else
+        } else {
             this._agent.respond(this._requestId, Shell.NetworkAgentResponse.INTERNAL_ERROR);
+        }
 
         this.destroy();
     }
@@ -472,7 +474,7 @@ var VPNRequestHandler = class {
             if (line == '' && this._previousLine == '') {
                 try {
                     this._stdin.write('QUIT\n\n', null);
-                } catch(e) { /* ignore broken pipe errors */ }
+                } catch (e) { /* ignore broken pipe errors */ }
             } else {
                 this._agent.set_password(this._requestId, this._previousLine, line);
                 this._previousLine = undefined;
@@ -560,7 +562,7 @@ var VPNRequestHandler = class {
                     this._agent.set_password(this._requestId, groups[i], value);
                 }
             }
-        } catch(e) {
+        } catch (e) {
             // No output is a valid case it means "both secrets are stored"
             if (data.length > 0) {
                 logError(e, 'error while reading VPN plugin output keyfile');
@@ -586,15 +588,15 @@ var VPNRequestHandler = class {
 
         try {
             vpnSetting.foreach_data_item((key, value) => {
-                this._stdin.write('DATA_KEY=' + key + '\n', null);
-                this._stdin.write('DATA_VAL=' + (value || '') + '\n\n', null);
+                this._stdin.write(`DATA_KEY=${key}\n`, null);
+                this._stdin.write(`DATA_VAL=${value || ''}\n\n`, null);
             });
             vpnSetting.foreach_secret((key, value) => {
-                this._stdin.write('SECRET_KEY=' + key + '\n', null);
-                this._stdin.write('SECRET_VAL=' + (value || '') + '\n\n', null);
+                this._stdin.write(`SECRET_KEY=${key}\n`, null);
+                this._stdin.write(`SECRET_VAL=${value || ''}\n\n`, null);
             });
             this._stdin.write('DONE\n\n', null);
-        } catch(e) {
+        } catch (e) {
             logError(e, 'internal error while writing connection to helper');
 
             this._agent.respond(this._requestId, Shell.NetworkAgentResponse.INTERNAL_ERROR);
@@ -618,9 +620,9 @@ var NetworkAgent = class {
         this._pluginDir = Gio.file_new_for_path(Config.VPNDIR);
         try {
             let monitor = this._pluginDir.monitor(Gio.FileMonitorFlags.NONE, null);
-            monitor.connect('changed', () => { this._vpnCacheBuilt = false; });
-        } catch(e) {
-            log('Failed to create monitor for VPN plugin dir: ' + e.message);
+            monitor.connect('changed', () => this._vpnCacheBuilt = false);
+        } catch (e) {
+            log(`Failed to create monitor for VPN plugin dir: ${e.message}`);
         }
 
         this._native.connect('new-request', this._newRequest.bind(this));
@@ -631,7 +633,7 @@ var NetworkAgent = class {
             try {
                 this._native.init_finish(res);
                 this._initialized = true;
-            } catch(e) {
+            } catch (e) {
                 this._native = null;
                 logError(e, 'error initializing the NetworkManager Agent');
             }
@@ -679,12 +681,13 @@ var NetworkAgent = class {
         let connectionSetting = connection.get_setting_connection();
         let connectionType = connectionSetting.get_connection_type();
         switch (connectionType) {
-        case '802-11-wireless':
+        case '802-11-wireless': {
             let wirelessSetting = connection.get_setting_wireless();
             let ssid = NM.utils_ssid_to_utf8(wirelessSetting.get_ssid().get_data());
             title = _("Authentication required by wireless network");
             body = _("Passwords or encryption keys are required to access the wireless network “%s”.").format(ssid);
             break;
+        }
         case '802-3-ethernet':
             title = _("Wired 802.1X authentication");
             body = _("A password is required to connect to “%s”.".format(connection.get_id()));
@@ -694,8 +697,7 @@ var NetworkAgent = class {
             body = _("A password is required to connect to “%s”.".format(connection.get_id()));
             break;
         case 'gsm':
-            if (hints.indexOf('pin') != -1) {
-                let gsmSetting = connection.get_setting_gsm();
+            if (hints.includes('pin')) {
                 title = _("PIN code required");
                 body = _("PIN code is needed for the mobile broadband device");
                 break;
@@ -707,7 +709,7 @@ var NetworkAgent = class {
             body = _("A password is required to connect to “%s”.").format(connectionSetting.get_id());
             break;
         default:
-            log('Invalid connection type: ' + connectionType);
+            log(`Invalid connection type: ${connectionType}`);
             this._native.respond(requestId, Shell.NetworkAgentResponse.INTERNAL_ERROR);
             return;
         }

js/ui/components/polkitAgent.js

@@ -1,8 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
 const { AccountsService, Clutter, Gio, GLib,
-        Pango, PolkitAgent, Polkit, Shell, St } = imports.gi;
-const Signals = imports.signals;
+        GObject, Pango, PolkitAgent, Polkit, Shell, St } = imports.gi;
 
 const Animation = imports.ui.animation;
 const Dialog = imports.ui.dialog;
@@ -15,9 +14,11 @@ var DIALOG_ICON_SIZE = 48;
 
 var WORK_SPINNER_ICON_SIZE = 16;
 
-var AuthenticationDialog = class extends ModalDialog.ModalDialog {
-    constructor(actionId, body, cookie, userNames) {
-        super({ styleClass: 'prompt-dialog' });
+var AuthenticationDialog = GObject.registerClass({
+    Signals: { 'done': { param_types: [GObject.TYPE_BOOLEAN] } }
+}, class AuthenticationDialog extends ModalDialog.ModalDialog {
+    _init(actionId, body, cookie, userNames) {
+        super._init({ styleClass: 'prompt-dialog' });
 
         this.actionId = actionId;
         this.message = body;
@@ -25,7 +26,7 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
         this._wasDismissed = false;
 
         this._sessionUpdatedId = Main.sessionMode.connect('updated', () => {
-            this._group.visible = !Main.sessionMode.isLocked;
+            this.visible = !Main.sessionMode.isLocked;
         });
 
         this.connect('closed', this._onDialogClosed.bind(this));
@@ -37,19 +38,19 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
         this.contentLayout.add_actor(content);
 
         if (userNames.length > 1) {
-            log('polkitAuthenticationAgent: Received ' + userNames.length +
-                ' identities that can be used for authentication. Only ' +
+            log(`polkitAuthenticationAgent: Received ${userNames.length} ` +
+                'identities that can be used for authentication. Only ' +
                 'considering one.');
         }
 
         let userName = GLib.get_user_name();
-        if (userNames.indexOf(userName) < 0)
+        if (!userNames.includes(userName))
             userName = 'root';
-        if (userNames.indexOf(userName) < 0)
+        if (!userNames.includes(userName))
             userName = userNames[0];
 
         this._user = AccountsService.UserManager.get_default().get_user(userName);
-        let userRealName = this._user.get_real_name()
+        let userRealName = this._user.get_real_name();
         this._userLoadedId = this._user.connect('notify::is_loaded',
                                                 this._onUserChanged.bind(this));
         this._userChangedId = this._user.connect('changed',
@@ -76,15 +77,15 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
                                                        styleClass: 'polkit-dialog-user-icon' });
             this._userAvatar.actor.hide();
             userBox.add(this._userAvatar.actor,
-                        { x_fill:  true,
-                          y_fill:  false,
+                        { 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_fill: true,
+                          y_fill: false,
                           x_align: St.Align.END,
                           y_align: St.Align.MIDDLE });
         }
@@ -97,7 +98,7 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
         this._passwordBox.add(this._passwordLabel, { y_fill: false, y_align: St.Align.MIDDLE });
         this._passwordEntry = new St.Entry({ style_class: 'prompt-dialog-password-entry',
                                              text: "",
-                                             can_focus: true});
+                                             can_focus: true });
         ShellEntry.addContextMenu(this._passwordEntry, { isPassword: true });
         this._passwordEntry.clutter_text.connect('activate', this._onEntryActivate.bind(this));
         this._passwordBox.add(this._passwordEntry,
@@ -126,7 +127,7 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
          * gnome-shell.css sets the color to be transparent
          */
         this._nullMessageLabel = new St.Label({ style_class: 'prompt-dialog-null-label',
-                                                text: 'abc'});
+                                                text: 'abc' });
         this._nullMessageLabel.add_style_class_name('hidden');
         this._nullMessageLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
         this._nullMessageLabel.clutter_text.line_wrap = true;
@@ -136,7 +137,7 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
         this._cancelButton = this.addButton({ label: _("Cancel"),
                                               action: this.cancel.bind(this),
                                               key: Clutter.Escape });
-        this._okButton = this.addButton({ label:  _("Authenticate"),
+        this._okButton = this.addButton({ label: _("Authenticate"),
                                           action: this._onAuthenticateButtonPressed.bind(this),
                                           default: true });
 
@@ -179,9 +180,9 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
             //
             // 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);
+            log('polkitAuthenticationAgent: Failed to show modal dialog. ' +
+                `Dismissing authentication request for action-id ${this.actionId} ` +
+                `cookie ${this._cookie}`);
             this._emitDone(true);
         }
     }
@@ -249,14 +250,14 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
         }
     }
 
-    _onSessionRequest(session, request, echo_on) {
+    _onSessionRequest(session, request, echoOn) {
         // Cheap localization trick
         if (request == 'Password:' || request == 'Password: ')
             this._passwordLabel.set_text(_("Password:"));
         else
             this._passwordLabel.set_text(request);
 
-        if (echo_on)
+        if (echoOn)
             this._passwordEntry.clutter_text.set_password_char('');
         else
             this._passwordEntry.clutter_text.set_password_char('\u25cf'); // ● U+25CF BLACK CIRCLE
@@ -326,8 +327,7 @@ var AuthenticationDialog = class extends ModalDialog.ModalDialog {
 
         this._destroySession();
     }
-};
-Signals.addSignalMethods(AuthenticationDialog.prototype);
+});
 
 var AuthenticationAgent = class {
     constructor() {
@@ -342,7 +342,7 @@ var AuthenticationAgent = class {
     enable() {
         try {
             this._native.register();
-        } catch(e) {
+        } catch (e) {
             log('Failed to register AuthenticationAgent');
         }
     }
@@ -350,7 +350,7 @@ var AuthenticationAgent = class {
     disable() {
         try {
             this._native.unregister();
-        } catch(e) {
+        } catch (e) {
             log('Failed to unregister AuthenticationAgent');
         }
     }

js/ui/components/telepathyClient.js

@@ -8,7 +8,7 @@ var Tpl = null;
 var Tp = null;
 try {
     ({ TelepathyGLib: Tp, TelepathyLogger: Tpl } = imports.gi);
-} catch(e) {
+} catch (e) {
     log('Telepathy is not available, chat integration will be disabled.');
 }
 
@@ -40,8 +40,6 @@ var NotificationDirection = {
     RECEIVED: 'chat-received'
 };
 
-var N_ = s => s;
-
 function makeMessageFromTpMessage(tpMessage, direction) {
     let [text, flags] = tpMessage.to_text();
 
@@ -89,7 +87,7 @@ var TelepathyComponent = class {
         try {
             this._client.register();
         } catch (e) {
-            throw new Error('Couldn\'t register Telepathy client. Error: \n' + e);
+            throw new Error(`Could not register Telepathy client. Error: ${e}`);
         }
 
         if (!this._client.account_manager.is_prepared(Tp.AccountManager.get_feature_quark_core()))
@@ -149,20 +147,20 @@ class TelepathyClient extends Tp.BaseClient {
             this._delegatedChannelsCb.bind(this));
     }
 
-    vfunc_observe_channels(account, conn, channels,
-                                     dispatchOp, requests, context) {
+    vfunc_observe_channels(...args) {
+        let [account, conn, channels, dispatchOp, requests, context] = args;
         let len = channels.length;
         for (let i = 0; i < len; i++) {
             let channel = channels[i];
             let [targetHandle, targetHandleType] = channel.get_handle();
 
             if (channel.get_invalidated())
-              continue;
+                continue;
 
             /* Only observe contact text channels */
             if ((!(channel instanceof Tp.TextChannel)) ||
                targetHandleType != Tp.HandleType.CONTACT)
-               continue;
+                continue;
 
             this._createChatSource(account, conn, channel, channel.get_target_contact());
         }
@@ -182,8 +180,8 @@ class TelepathyClient extends Tp.BaseClient {
         });
     }
 
-    vfunc_handle_channels(account, conn, channels, requests,
-                                    user_action_time, context) {
+    vfunc_handle_channels(...args) {
+        let [account, conn, channels, requests, userActionTime, context] = args;
         this._handlingChannels(account, conn, channels, true);
         context.accept();
     }
@@ -200,7 +198,7 @@ class TelepathyClient extends Tp.BaseClient {
             }
 
             if (channel.get_invalidated())
-              continue;
+                continue;
 
             // 'notify' will be true when coming from an actual HandleChannels
             // call, and not when from a successful Claim call. The point is
@@ -222,8 +220,8 @@ class TelepathyClient extends Tp.BaseClient {
         }
     }
 
-    vfunc_add_dispatch_operation(account, conn, channels,
-                                           dispatchOp, context) {
+    vfunc_add_dispatch_operation(...args) {
+        let [account, conn, channels, dispatchOp, context] = args;
         let channel = channels[0];
         let chanType = channel.get_channel_type();
 
@@ -255,7 +253,7 @@ class TelepathyClient extends Tp.BaseClient {
                 dispatchOp.claim_with_finish(result);
                 this._handlingChannels(account, conn, [channel], false);
             } catch (err) {
-                log('Failed to Claim channel: ' + err);
+                log(`Failed to Claim channel: ${err}`);
             }
         });
 
@@ -362,28 +360,28 @@ var ChatSource = class extends MessageTray.Source {
         let presenceType = this._contact.get_presence_type();
 
         switch (presenceType) {
-            case Tp.ConnectionPresenceType.AVAILABLE:
-                iconName = 'user-available';
-                break;
-            case Tp.ConnectionPresenceType.BUSY:
-                iconName = 'user-busy';
-                break;
-            case Tp.ConnectionPresenceType.OFFLINE:
-                iconName = 'user-offline';
-                break;
-            case Tp.ConnectionPresenceType.HIDDEN:
-                iconName = 'user-invisible';
-                break;
-            case Tp.ConnectionPresenceType.AWAY:
-                iconName = 'user-away';
-                break;
-            case Tp.ConnectionPresenceType.EXTENDED_AWAY:
-                iconName = 'user-idle';
-                break;
-            default:
-                iconName = 'user-offline';
-       }
-       return new Gio.ThemedIcon({ name: iconName });
+        case Tp.ConnectionPresenceType.AVAILABLE:
+            iconName = 'user-available';
+            break;
+        case Tp.ConnectionPresenceType.BUSY:
+            iconName = 'user-busy';
+            break;
+        case Tp.ConnectionPresenceType.OFFLINE:
+            iconName = 'user-offline';
+            break;
+        case Tp.ConnectionPresenceType.HIDDEN:
+            iconName = 'user-invisible';
+            break;
+        case Tp.ConnectionPresenceType.AWAY:
+            iconName = 'user-away';
+            break;
+        case Tp.ConnectionPresenceType.EXTENDED_AWAY:
+            iconName = 'user-idle';
+            break;
+        default:
+            iconName = 'user-offline';
+        }
+        return new Gio.ThemedIcon({ name: iconName });
     }
 
     _updateAvatarIcon() {
@@ -401,7 +399,7 @@ var ChatSource = class extends MessageTray.Source {
         if (this._client.is_handling_channel(this._channel)) {
             // We are handling the channel, try to pass it to Empathy or Polari
             // (depending on the channel type)
-            // We don't check if either app is availble - mission control will
+            // We don't check if either app is available - mission control will
             // fallback to something else if activation fails
 
             let target;
@@ -597,8 +595,8 @@ var ChatSource = class extends MessageTray.Source {
         // keep track of it with the ChatStateChanged signal but it is good
         // enough right now.
         if (state != this._chatState) {
-          this._chatState = state;
-          this._channel.set_chat_state_async(state, null);
+            this._chatState = state;
+            this._channel.set_chat_state_async(state, null);
         }
     }
 

js/ui/ctrlAltTab.js

@@ -7,7 +7,6 @@ const SwitcherPopup = imports.ui.switcherPopup;
 const Params = imports.misc.params;
 
 var POPUP_APPICON_SIZE = 96;
-var POPUP_FADE_TIME = 0.1; // seconds
 
 var SortGroup = {
     TOP:    0,
@@ -33,7 +32,7 @@ var CtrlAltTabManager = class CtrlAltTabManager {
         item.iconName = icon;
 
         this._items.push(item);
-        root.connect('destroy', () => { this.removeGroup(root); });
+        root.connect('destroy', () => this.removeGroup(root));
         if (root instanceof St.Widget)
             global.focus_manager.add_group(root);
     }

js/ui/dash.js

@@ -35,7 +35,7 @@ class DashItemContainer extends St.Widget {
                       x_align: Clutter.ActorAlign.CENTER });
 
         this._labelText = "";
-        this.label = new St.Label({ style_class: 'dash-label'});
+        this.label = new St.Label({ style_class: 'dash-label' });
         this.label.hide();
         Main.layoutManager.addChrome(this.label);
         this.label_actor = this.label;
@@ -81,7 +81,7 @@ class DashItemContainer extends St.Widget {
         let itemHeight = this.allocation.y2 - this.allocation.y1;
 
         let labelHeight = this.label.get_height();
-        let yOffset = Math.floor((itemHeight - labelHeight) / 2)
+        let yOffset = Math.floor((itemHeight - labelHeight) / 2);
 
         let y = stageY + yOffset;
 
@@ -198,9 +198,9 @@ class ShowAppsIcon extends DashItemContainer {
                                             toggle_mode: true });
         this._iconActor = null;
         this.icon = new IconGrid.BaseIcon(_("Show Applications"),
-                                           { setSizeManually: true,
-                                             showLabel: false,
-                                             createIcon: this._createIcon.bind(this) });
+                                          { setSizeManually: true,
+                                            showLabel: false,
+                                            createIcon: this._createIcon.bind(this) });
         this.toggleButton.add_actor(this.icon);
         this.toggleButton._delegate = this;
 
@@ -321,14 +321,14 @@ class DashActor extends St.Widget {
         let themeNode = this.get_theme_node();
         let adjustedForWidth = themeNode.adjust_for_width(forWidth);
         let [, showAppsButton] = this.get_children();
-        let [minHeight, ] = showAppsButton.get_preferred_height(adjustedForWidth);
-        [minHeight, ] = themeNode.adjust_preferred_height(minHeight, natHeight);
+        let [minHeight] = showAppsButton.get_preferred_height(adjustedForWidth);
+        [minHeight] = themeNode.adjust_preferred_height(minHeight, natHeight);
 
         return [minHeight, natHeight];
     }
 });
 
-const baseIconSizes = [ 16, 22, 24, 32, 48, 64 ];
+const baseIconSizes = [16, 22, 24, 32, 48, 64];
 
 var Dash = class Dash {
     constructor() {
@@ -584,22 +584,18 @@ var Dash = class Dash {
         let firstButton = iconChildren[0].child;
         let firstIcon = firstButton._delegate.icon;
 
-        let minHeight, natHeight;
-        let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
-
-        // Enforce the current icon size during the size request
+        // Enforce valid spacings during the size request
         firstIcon.icon.ensure_style();
-        let [, currentHeight] = firstIcon.icon.get_size();
-        firstIcon.icon.set_height(this.iconSize * scaleFactor);
-        [minHeight, natHeight] = firstButton.get_preferred_height(-1);
-        firstIcon.icon.set_height(currentHeight);
+        let [, iconHeight] = firstIcon.icon.get_preferred_height(-1);
+        let [, buttonHeight] = firstButton.get_preferred_height(-1);
 
         // Subtract icon padding and box spacing from the available height
-        availHeight -= iconChildren.length * (natHeight - this.iconSize * scaleFactor) +
+        availHeight -= iconChildren.length * (buttonHeight - iconHeight) +
                        (iconChildren.length - 1) * spacing;
 
         let availSize = availHeight / iconChildren.length;
 
+        let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
         let iconSizes = baseIconSizes.map(s => s * scaleFactor);
 
         let newIconSize = baseIconSizes[0];
@@ -652,10 +648,10 @@ var Dash = class Dash {
         let running = this._appSystem.get_running();
 
         let children = this._box.get_children().filter(actor => {
-                return actor.child &&
-                       actor.child._delegate &&
-                       actor.child._delegate.app;
-            });
+            return actor.child &&
+                   actor.child._delegate &&
+                   actor.child._delegate.app;
+        });
         // Apps currently in the dash
         let oldApps = children.map(actor => actor.child._delegate.app);
         // Apps supposed to be in the dash
@@ -704,14 +700,14 @@ var Dash = class Dash {
             }
 
             // App removed at oldIndex
-            if (oldApp && newApps.indexOf(oldApp) == -1) {
+            if (oldApp && !newApps.includes(oldApp)) {
                 removedActors.push(children[oldIndex]);
                 oldIndex++;
                 continue;
             }
 
             // App added at newIndex
-            if (newApp && oldApps.indexOf(newApp) == -1) {
+            if (newApp && !oldApps.includes(newApp)) {
                 addedItems.push({ app: newApp,
                                   item: this._createAppItem(newApp),
                                   pos: newIndex });
@@ -903,7 +899,7 @@ var Dash = class Dash {
                 favPos++;
         }
 
-        // No drag placeholder means we don't wan't to favorite the app
+        // No drag placeholder means we don't want to favorite the app
         // and we are dragging it to its original position
         if (!this._dragPlaceholder)
             return true;

js/ui/dateMenu.js

@@ -47,7 +47,7 @@ var TodayButton = class TodayButton {
         this._calendar.connect('selected-date-changed', (calendar, date) => {
             // Make the button reactive only if the selected date is not the
             // current date.
-            this.actor.reactive = !_isToday(date)
+            this.actor.reactive = !_isToday(date);
         });
     }
 
@@ -118,7 +118,7 @@ var WorldClocksSection = class WorldClocksSection {
             if (!clocks[i].location)
                 continue;
             let l = world.deserialize(clocks[i].location);
-            if (l)
+            if (l && l.get_timezone() != null)
                 this._locations.push({ location: l });
         }
 
@@ -136,11 +136,12 @@ var WorldClocksSection = class WorldClocksSection {
         layout.attach(header, 0, 0, 2, 1);
         this.actor.label_actor = header;
 
+        let localOffset = GLib.DateTime.new_now_local().get_utc_offset();
+
         for (let i = 0; i < this._locations.length; i++) {
             let l = this._locations[i].location;
 
-            let name = l.get_level() == GWeather.LocationLevel.NAMED_TIMEZONE ? l.get_name()
-                                                                              : l.get_city_name();
+            let name = l.get_city_name() || l.get_name();
             let label = new St.Label({ style_class: 'world-clocks-city',
                                        text: name,
                                        x_align: Clutter.ActorAlign.START,
@@ -149,7 +150,8 @@ var WorldClocksSection = class WorldClocksSection {
 
             let time = new St.Label({ style_class: 'world-clocks-time' });
 
-            let offset = l.get_timezone().get_offset() / 60.;
+            let otherOffset = this._getTimeAtLocation(l).get_utc_offset();
+            let offset = (otherOffset - localOffset) / GLib.TIME_SPAN_HOUR;
             let fmt = (Math.trunc(offset) == offset) ? '%s%.0f' : '%s%.1f';
             let prefix = (offset >= 0) ? '+' : '-';
             let tz = new St.Label({ style_class: 'world-clocks-timezone',
@@ -182,11 +184,15 @@ var WorldClocksSection = class WorldClocksSection {
         }
     }
 
+    _getTimeAtLocation(location) {
+        let tz = GLib.TimeZone.new(location.get_timezone().get_tzid());
+        return GLib.DateTime.new_now(tz);
+    }
+
     _updateLabels() {
         for (let i = 0; i < this._locations.length; i++) {
             let l = this._locations[i];
-            let tz = GLib.TimeZone.new(l.location.get_timezone().get_tzid());
-            let now = GLib.DateTime.new_now(tz);
+            let now = this._getTimeAtLocation(l.location);
             l.actor.text = Util.formatTime(now, { timeOnly: true });
         }
     }
@@ -211,7 +217,7 @@ var WeatherSection = class WeatherSection {
         });
 
         let box = new St.BoxLayout({ style_class: 'weather-box',
-                                      vertical: true });
+                                     vertical: true });
 
         this.actor.child = box;
 
@@ -351,7 +357,7 @@ var MessagesIndicator = class MessagesIndicator {
         Main.messageTray.connect('queue-changed', this._updateCount.bind(this));
 
         let sources = Main.messageTray.getSources();
-        sources.forEach(source => { this._onSourceAdded(null, source); });
+        sources.forEach(source => this._onSourceAdded(null, source));
     }
 
     _onSourceAdded(tray, source) {
@@ -367,7 +373,7 @@ var MessagesIndicator = class MessagesIndicator {
 
     _updateCount() {
         let count = 0;
-        this._sources.forEach(source => { count += source.unseenCount; });
+        this._sources.forEach(source => count += source.unseenCount);
         count -= Main.messageTray.queueCount;
 
         this.actor.visible = (count > 0);
@@ -378,8 +384,8 @@ var IndicatorPad = GObject.registerClass(
 class IndicatorPad extends St.Widget {
     _init(actor) {
         this._source = actor;
-        this._source.connect('notify::visible', () => { this.queue_relayout(); });
-        this._source.connect('notify::size', () => { this.queue_relayout(); });
+        this._source.connect('notify::visible', () => this.queue_relayout());
+        this._source.connect('notify::size', () => this.queue_relayout());
         super._init();
     }
 
@@ -453,7 +459,6 @@ class CalendarColumnLayout extends Clutter.BoxLayout {
 var DateMenuButton = GObject.registerClass(
 class DateMenuButton extends PanelMenu.Button {
     _init() {
-        let item;
         let hbox;
         let vbox;
 
@@ -470,10 +475,9 @@ class DateMenuButton extends PanelMenu.Button {
         box.add_actor(this._clockDisplay);
         box.add_actor(this._indicator.actor);
 
-        this.actor.label_actor = this._clockDisplay;
-        this.actor.add_actor(box);
-        this.actor.add_style_class_name ('clock-display');
-
+        this.label_actor = this._clockDisplay;
+        this.add_actor(box);
+        this.add_style_class_name ('clock-display');
 
         let layout = new FreezableBinLayout();
         let bin = new St.Widget({ layout_manager: layout });

js/ui/dialog.js

@@ -25,9 +25,9 @@ class Dialog extends St.Widget {
 
     _createDialog() {
         this._dialog = new St.BoxLayout({ style_class: 'modal-dialog',
-                                          x_align:     Clutter.ActorAlign.CENTER,
-                                          y_align:     Clutter.ActorAlign.CENTER,
-                                          vertical:    true });
+                                          x_align: Clutter.ActorAlign.CENTER,
+                                          y_align: Clutter.ActorAlign.CENTER,
+                                          vertical: true });
 
         // modal dialogs are fixed width and grow vertically; set the request
         // mode accordingly so wrapped labels are handled correctly during
@@ -38,13 +38,13 @@ class Dialog extends St.Widget {
         this.contentLayout = new St.BoxLayout({ vertical: true,
                                                 style_class: "modal-dialog-content-box" });
         this._dialog.add(this.contentLayout,
-                         { expand:  true,
-                           x_fill:  true,
-                           y_fill:  true,
+                         { expand: true,
+                           x_fill: true,
+                           y_fill: true,
                            x_align: St.Align.MIDDLE,
                            y_align: St.Align.START });
 
-        this.buttonLayout = new St.Widget ({ layout_manager: new Clutter.BoxLayout({ homogeneous:true }) });
+        this.buttonLayout = new St.Widget ({ layout_manager: new Clutter.BoxLayout({ homogeneous: true }) });
         this._dialog.add(this.buttonLayout,
                          { x_align: St.Align.MIDDLE,
                            y_align: St.Align.START });
@@ -116,11 +116,11 @@ class Dialog extends St.Widget {
 
         let button = new St.Button({ style_class: 'modal-dialog-linked-button',
                                      button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
-                                     reactive:    true,
-                                     can_focus:   true,
-                                     x_expand:    true,
-                                     y_expand:    true,
-                                     label:       label });
+                                     reactive: true,
+                                     can_focus: true,
+                                     x_expand: true,
+                                     y_expand: true,
+                                     label: label });
         button.connect('clicked', action);
 
         buttonInfo['button'] = button;
@@ -175,10 +175,10 @@ var MessageDialogContent = GObject.registerClass({
             this[`_${prop}`].add_style_class_name(`message-dialog-${prop}`);
         });
 
-        let textProps = { ellipsize_mode: Pango.EllipsizeMode.NONE,
+        let textProps = { ellipsize: Pango.EllipsizeMode.NONE,
                           line_wrap: true };
-        Object.assign(this._subtitle.clutter_text, textProps);
-        Object.assign(this._body.clutter_text, textProps);
+        this._subtitle.clutter_text.set(textProps);
+        this._body.clutter_text.set(textProps);
 
         if (!params.hasOwnProperty('style_class'))
             params.style_class = 'message-dialog-main-layout';
@@ -214,7 +214,10 @@ var MessageDialogContent = GObject.registerClass({
     }
 
     set icon(icon) {
-        Object.assign(this._icon, { gicon: icon, visible: icon != null });
+        this._icon.set({
+            gicon: icon,
+            visible: icon != null
+        });
         this.notify('icon');
     }
 
@@ -231,7 +234,10 @@ var MessageDialogContent = GObject.registerClass({
     }
 
     _setLabel(label, prop, value) {
-        Object.assign(label, { text: value || '', visible: value != null });
+        label.set({
+            text: value || '',
+            visible: value != null
+        });
         this.notify(prop);
     }
 

js/ui/dnd.js

@@ -306,6 +306,9 @@ var _Draggable = class _Draggable {
      * for the draggable.
      */
     startDrag(stageX, stageY, time, sequence, device) {
+        if (currentDraggable)
+            return;
+
         if (device == undefined) {
             let event = Clutter.get_current_event();
 
@@ -431,14 +434,13 @@ var _Draggable = class _Draggable {
                                    scale_y: scale * origScale,
                                    time: SCALE_ANIMATION_TIME,
                                    transition: 'easeOutQuad',
-                                   onUpdate() {
+                                   onUpdate: () => {
                                        let currentScale = this._dragActor.scale_x / origScale;
                                        this._dragOffsetX = currentScale * origDragOffsetX;
                                        this._dragOffsetY = currentScale * origDragOffsetY;
                                        this._dragActor.set_position(this._dragX + this._dragOffsetX,
                                                                     this._dragY + this._dragOffsetY);
-                                   },
-                                   onUpdateScope: this });
+                                   } });
             }
         }
     }
@@ -447,7 +449,8 @@ var _Draggable = class _Draggable {
         let [stageX, stageY] = event.get_coords();
 
         // See if the user has moved the mouse enough to trigger a drag
-        let threshold = St.Settings.get().drag_threshold;
+        let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
+        let threshold = St.Settings.get().drag_threshold * scaleFactor;
         if (!currentDraggable &&
             (Math.abs(stageX - this._dragStartX) > threshold ||
              Math.abs(stageY - this._dragStartY) > threshold)) {
@@ -557,11 +560,11 @@ var _Draggable = class _Draggable {
             let dropFunc = dragMonitors[i].dragDrop;
             if (dropFunc)
                 switch (dropFunc(dropEvent)) {
-                    case DragDropResult.FAILURE:
-                    case DragDropResult.SUCCESS:
-                        return true;
-                    case DragDropResult.CONTINUE:
-                        continue;
+                case DragDropResult.FAILURE:
+                case DragDropResult.SUCCESS:
+                    return true;
+                case DragDropResult.CONTINUE:
+                    continue;
                 }
         }
 
@@ -584,8 +587,9 @@ var _Draggable = class _Draggable {
                         if (this._restoreOnSuccess) {
                             this._restoreDragActor(event.get_time());
                             return true;
-                        } else
+                        } else {
                             this._dragActor.destroy();
+                        }
                     }
 
                     this._dragState = DragState.INIT;
@@ -685,12 +689,12 @@ var _Draggable = class _Draggable {
         params['onCompleteParams'] = [this._dragActor, eventTime];
 
         // start the animation
-        Tweener.addTween(this._dragActor, params)
+        Tweener.addTween(this._dragActor, params);
     }
 
     _finishAnimation() {
         if (!this._animationInProgress)
-            return
+            return;
 
         this._animationInProgress = false;
         if (!this._buttonDown)

js/ui/edgeDragAction.js

@@ -16,7 +16,7 @@ var EdgeDragAction = GObject.registerClass({
         this._allowedModes = allowedModes;
         this.set_n_touch_points(1);
 
-        global.display.connect('grab-op-begin', () => { this.cancel(); });
+        global.display.connect('grab-op-begin', () => this.cancel());
     }
 
     _getMonitorRect(x, y) {

js/ui/endSessionDialog.js

@@ -19,7 +19,7 @@
 const Mainloop = imports.mainloop;
 
 const { AccountsService, Clutter, Gio,
-        GLib, Pango, Polkit, Shell, St }  = imports.gi;
+        GLib, GObject, Pango, Polkit, Shell, St }  = imports.gi;
 
 const CheckBox = imports.ui.checkBox;
 const GnomeSession = imports.misc.gnomeSession;
@@ -29,13 +29,9 @@ const UserWidget = imports.ui.userWidget;
 
 const { loadInterfaceXML } = imports.misc.fileUtils;
 
-let _endSessionDialog = null;
-
 const _ITEM_ICON_SIZE = 48;
 const _DIALOG_ICON_SIZE = 48;
 
-var GSM_SESSION_MANAGER_LOGOUT_FORCE = 2;
-
 const EndSessionDialogIface = loadInterfaceXML('org.gnome.SessionManager.EndSessionDialog');
 
 const logoutDialogContent = {
@@ -53,7 +49,7 @@ const logoutDialogContent = {
     },
     showBatteryWarning: false,
     confirmButtons: [{ signal: 'ConfirmedLogout',
-                       label:  C_("button", "Log Out") }],
+                       label: C_("button", "Log Out") }],
     iconStyleClass: 'end-session-dialog-logout-icon',
     showOtherSessions: false,
 };
@@ -69,9 +65,9 @@ const shutdownDialogContent = {
     checkBoxText: C_("checkbox", "Install pending software updates"),
     showBatteryWarning: true,
     confirmButtons: [{ signal: 'ConfirmedReboot',
-                       label:  C_("button", "Restart") },
+                       label: C_("button", "Restart") },
                      { signal: 'ConfirmedShutdown',
-                       label:  C_("button", "Power Off") }],
+                       label: C_("button", "Power Off") }],
     iconName: 'system-shutdown-symbolic',
     iconStyleClass: 'end-session-dialog-shutdown-icon',
     showOtherSessions: true,
@@ -86,7 +82,7 @@ const restartDialogContent = {
     },
     showBatteryWarning: false,
     confirmButtons: [{ signal: 'ConfirmedReboot',
-                       label:  C_("button", "Restart") }],
+                       label: C_("button", "Restart") }],
     iconName: 'view-refresh-symbolic',
     iconStyleClass: 'end-session-dialog-shutdown-icon',
     showOtherSessions: true,
@@ -102,7 +98,7 @@ const restartUpdateDialogContent = {
     },
     showBatteryWarning: true,
     confirmButtons: [{ signal: 'ConfirmedReboot',
-                       label:  C_("button", "Restart & Install") }],
+                       label: C_("button", "Restart & Install") }],
     unusedFutureButtonForTranslation: C_("button", "Install & Power Off"),
     unusedFutureCheckBoxForTranslation: C_("checkbox", "Power off after updates are installed"),
     iconName: 'view-refresh-symbolic',
@@ -122,18 +118,18 @@ const restartUpgradeDialogContent = {
     disableTimer: true,
     showBatteryWarning: false,
     confirmButtons: [{ signal: 'ConfirmedReboot',
-                       label:  C_("button", "Restart & Install") }],
+                       label: C_("button", "Restart & Install") }],
     iconName: 'view-refresh-symbolic',
     iconStyleClass: 'end-session-dialog-shutdown-icon',
     showOtherSessions: true,
 };
 
 const DialogType = {
-  LOGOUT: 0 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_LOGOUT */,
-  SHUTDOWN: 1 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_SHUTDOWN */,
-  RESTART: 2 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_RESTART */,
-  UPDATE_RESTART: 3,
-  UPGRADE_RESTART: 4
+    LOGOUT: 0 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_LOGOUT */,
+    SHUTDOWN: 1 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_SHUTDOWN */,
+    RESTART: 2 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_RESTART */,
+    UPDATE_RESTART: 3,
+    UPGRADE_RESTART: 4
 };
 
 const DialogContent = {
@@ -159,7 +155,7 @@ function findAppFromInhibitor(inhibitor) {
     let desktopFile;
     try {
         [desktopFile] = inhibitor.GetAppIdSync();
-    } catch(e) {
+    } catch (e) {
         // XXX -- sometimes JIT inhibitors generated by gnome-session
         // get removed too soon. Don't fail in this case.
         log('gnome-session gave us a dead inhibitor: %s'.format(inhibitor.get_object_path()));
@@ -223,25 +219,25 @@ function init() {
     // This always returns the same singleton object
     // By instantiating it initially, we register the
     // bus object, etc.
-    _endSessionDialog = new EndSessionDialog();
+    (new EndSessionDialog());
 }
 
-var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
-    constructor() {
-        super({ styleClass: 'end-session-dialog',
-                destroyOnClose: false });
+var EndSessionDialog = GObject.registerClass(
+class EndSessionDialog extends ModalDialog.ModalDialog {
+    _init() {
+        super._init({ styleClass: 'end-session-dialog',
+                      destroyOnClose: false });
 
         this._loginManager = LoginManager.getLoginManager();
         this._userManager = AccountsService.UserManager.get_default();
         this._user = this._userManager.get_user(GLib.get_user_name());
+        this._updatesPermission = null;
 
         this._pkOfflineProxy = new PkOfflineProxy(Gio.DBus.system,
                                                   'org.freedesktop.PackageKit',
                                                   '/org/freedesktop/PackageKit',
-                                                  (proxy, error) => {
-                                                      if (error)
-                                                          log(error.message);
-                                                  });
+                                                  this._onPkOfflineProxyCreated.bind(this));
+
         this._powerProxy = new UPowerProxy(Gio.DBus.system,
                                            'org.freedesktop.UPower',
                                            '/org/freedesktop/UPower',
@@ -275,8 +271,8 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
 
         this._iconBin = new St.Bin();
         mainContentLayout.add(this._iconBin,
-                              { x_fill:  true,
-                                y_fill:  false,
+                              { x_fill: true,
+                                y_fill: false,
                                 x_align: St.Align.END,
                                 y_align: St.Align.START });
 
@@ -289,7 +285,7 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
 
         messageLayout.add(this._subjectLabel,
                           { x_fill: false,
-                            y_fill:  false,
+                            y_fill: false,
                             x_align: St.Align.START,
                             y_align: St.Align.START });
 
@@ -298,7 +294,7 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
         this._descriptionLabel.clutter_text.line_wrap = true;
 
         messageLayout.add(this._descriptionLabel,
-                          { y_fill:  true,
+                          { y_fill: true,
                             y_align: St.Align.START });
 
         this._checkBox = new CheckBox.CheckBox();
@@ -336,14 +332,31 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
         this._inhibitorSection.add_actor(this._sessionHeader);
         this._inhibitorSection.add_actor(this._sessionList);
 
+        this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(EndSessionDialogIface, this);
+        this._dbusImpl.export(Gio.DBus.session, '/org/gnome/SessionManager/EndSessionDialog');
+    }
+
+    _onPkOfflineProxyCreated(proxy, error) {
+        if (error) {
+            log(error.message);
+            return;
+        }
+
+        // Creating a D-Bus proxy won't propagate SERVICE_UNKNOWN or NAME_HAS_NO_OWNER
+        // errors if PackageKit is not available, but the GIO implementation will make
+        // sure in that case that the proxy's g-name-owner is set to null, so check that.
+        if (this._pkOfflineProxy.g_name_owner === null) {
+            this._pkOfflineProxy = null;
+            return;
+        }
+
+        // It only makes sense to check for this permission if PackageKit is available.
         try {
-            this._updatesPermission = Polkit.Permission.new_sync("org.freedesktop.packagekit.trigger-offline-update", null, null);
+            this._updatesPermission = Polkit.Permission.new_sync(
+                "org.freedesktop.packagekit.trigger-offline-update", null, null);
         } catch(e) {
             log('No permission to trigger offline updates: %s'.format(e.toString()));
         }
-
-        this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(EndSessionDialogIface, this);
-        this._dbusImpl.export(Gio.DBus.session, '/org/gnome/SessionManager/EndSessionDialog');
     }
 
     _onDestroy() {
@@ -390,7 +403,8 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
         }
 
         // Use a different description when we are installing a system upgrade
-        if (dialogContent.upgradeDescription) {
+        // if the PackageKit proxy is available (i.e. PackageKit is available).
+        if (this._pkOfflineProxy && dialogContent.upgradeDescription) {
             let name = this._pkOfflineProxy.PreparedUpgrade['name'].deep_unpack();
             let version = this._pkOfflineProxy.PreparedUpgrade['version'].deep_unpack();
 
@@ -427,8 +441,8 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
     _updateButtons() {
         let dialogContent = DialogContent[this._type];
         let buttons = [{ action: this.cancel.bind(this),
-                         label:  _("Cancel"),
-                         key:    Clutter.Escape }];
+                         label: _("Cancel"),
+                         key: Clutter.Escape }];
 
         for (let i = 0; i < dialogContent.confirmButtons.length; i++) {
             let signal = dialogContent.confirmButtons[i].signal;
@@ -475,19 +489,19 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
         // Trigger the offline update as requested
         if (this._checkBox.actor.checked) {
             switch (signal) {
-                case "ConfirmedReboot":
-                    this._triggerOfflineUpdateReboot(callback);
-                    break;
-                case "ConfirmedShutdown":
-                    // To actually trigger the offline update, we need to
-                    // reboot to do the upgrade. When the upgrade is complete,
-                    // the computer will shut down automatically.
-                    signal = "ConfirmedReboot";
-                    this._triggerOfflineUpdateShutdown(callback);
-                    break;
-                default:
-                    callback();
-                    break;
+            case "ConfirmedReboot":
+                this._triggerOfflineUpdateReboot(callback);
+                break;
+            case "ConfirmedShutdown":
+                // To actually trigger the offline update, we need to
+                // reboot to do the upgrade. When the upgrade is complete,
+                // the computer will shut down automatically.
+                signal = "ConfirmedReboot";
+                this._triggerOfflineUpdateShutdown(callback);
+                break;
+            default:
+                callback();
+                break;
             }
         } else {
             this._triggerOfflineUpdateCancel(callback);
@@ -499,6 +513,12 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
     }
 
     _triggerOfflineUpdateReboot(callback) {
+        // Handle this gracefully if PackageKit is not available.
+        if (!this._pkOfflineProxy) {
+            callback();
+            return;
+        }
+
         this._pkOfflineProxy.TriggerRemote('reboot', (result, error) => {
             if (error)
                 log(error.message);
@@ -508,6 +528,12 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
     }
 
     _triggerOfflineUpdateShutdown(callback) {
+        // Handle this gracefully if PackageKit is not available.
+        if (!this._pkOfflineProxy) {
+            callback();
+            return;
+        }
+
         this._pkOfflineProxy.TriggerRemote('power-off', (result, error) => {
             if (error)
                 log(error.message);
@@ -517,6 +543,12 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
     }
 
     _triggerOfflineUpdateCancel(callback) {
+        // Handle this gracefully if PackageKit is not available.
+        if (!this._pkOfflineProxy) {
+            callback();
+            return;
+        }
+
         this._pkOfflineProxy.CancelRemote((result, error) => {
             if (error)
                 log(error.message);
@@ -584,7 +616,7 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
     }
 
     _onInhibitorLoaded(inhibitor) {
-        if (this._applications.indexOf(inhibitor) < 0) {
+        if (!this._applications.includes(inhibitor)) {
             // Stale inhibitor
             return;
         }
@@ -636,7 +668,7 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
         this._loginManager.listSessions(result => {
             let n = 0;
             for (let i = 0; i < result.length; i++) {
-                let[id, uid, userName, seat, sessionPath] = result[i];
+                let [id, uid, userName, seat, sessionPath] = result[i];
                 let proxy = new LogindSession(Gio.DBus.system, 'org.freedesktop.login1', sessionPath);
 
                 if (proxy.Class != 'user')
@@ -679,7 +711,8 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
         this._totalSecondsToStayOpen = totalSecondsToStayOpen;
         this._type = type;
 
-        if (this._type == DialogType.RESTART) {
+        // Only consider updates and upgrades if PackageKit is available.
+        if (this._pkOfflineProxy && this._type == DialogType.RESTART) {
             if (this._pkOfflineProxy.UpdateTriggered)
                 this._type = DialogType.UPDATE_RESTART;
             else if (this._pkOfflineProxy.UpgradeTriggered)
@@ -711,8 +744,9 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
         if (dialogContent.showOtherSessions)
             this._loadSessions();
 
-        let updateTriggered = this._pkOfflineProxy.UpdateTriggered;
-        let updatePrepared = this._pkOfflineProxy.UpdatePrepared;
+        // Only consider updates and upgrades if PackageKit is available.
+        let updateTriggered = this._pkOfflineProxy ? this._pkOfflineProxy.UpdateTriggered : false;
+        let updatePrepared = this._pkOfflineProxy ? this._pkOfflineProxy.UpdatePrepared : false;
         let updatesAllowed = this._updatesPermission && this._updatesPermission.allowed;
 
         _setCheckBoxLabel(this._checkBox, dialogContent.checkBoxText || '');
@@ -747,4 +781,4 @@ var EndSessionDialog = class EndSessionDialog extends ModalDialog.ModalDialog {
     Close(parameters, invocation) {
         this.close();
     }
-};
+});

js/ui/environment.js

@@ -57,8 +57,8 @@ function _patchLayoutClass(layoutClass, styleProps) {
     };
 }
 
-function _loggingFunc() {
-    let fields = {'MESSAGE': [].join.call(arguments, ', ')};
+function _loggingFunc(...args) {
+    let fields = { 'MESSAGE': args.join(', ') };
     let domain = "GNOME Shell";
 
     // If the caller is an extension, add it as metadata
@@ -96,16 +96,25 @@ function init() {
     Clutter.Actor.prototype.toString = function() {
         return St.describe_actor(this);
     };
+    // Deprecation warning for former JS classes turned into an actor subclass
+    Object.defineProperty(Clutter.Actor.prototype, 'actor', {
+        get() {
+            let klass = this.constructor.name;
+            let { stack } = new Error();
+            log(`Usage of object.actor is deprecated for ${klass}\n${stack}`);
+            return this;
+        }
+    });
 
     let origToString = Object.prototype.toString;
     Object.prototype.toString = function() {
         let base = origToString.call(this);
         try {
             if ('actor' in this && this.actor instanceof Clutter.Actor)
-                return base.replace(/\]$/, ' delegate for ' + this.actor.toString().substring(1));
+                return base.replace(/\]$/, ` delegate for ${this.actor.toString().substring(1)}`);
             else
                 return base;
-        } catch(e) {
+        } catch (e) {
             return base;
         }
     };

js/ui/extensionDownloader.js

@@ -1,19 +1,18 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
-const { Clutter, Gio, GLib, Soup, St } = imports.gi;
+const { Clutter, Gio, GLib, GObject, Soup } = imports.gi;
 
 const Config = imports.misc.config;
+const Dialog = imports.ui.dialog;
 const ExtensionUtils = imports.misc.extensionUtils;
 const ExtensionSystem = imports.ui.extensionSystem;
 const FileUtils = imports.misc.fileUtils;
 const ModalDialog = imports.ui.modalDialog;
 
-const _signals = ExtensionSystem._signals;
-
 var REPOSITORY_URL_BASE = 'https://extensions.gnome.org';
-var REPOSITORY_URL_DOWNLOAD = REPOSITORY_URL_BASE + '/download-extension/%s.shell-extension.zip';
-var REPOSITORY_URL_INFO     = REPOSITORY_URL_BASE + '/extension-info/';
-var REPOSITORY_URL_UPDATE   = REPOSITORY_URL_BASE + '/update-info/';
+var REPOSITORY_URL_DOWNLOAD = `${REPOSITORY_URL_BASE}/download-extension/%s.shell-extension.zip`;
+var REPOSITORY_URL_INFO     = `${REPOSITORY_URL_BASE}/extension-info/`;
+var REPOSITORY_URL_UPDATE   = `${REPOSITORY_URL_BASE}/update-info/`;
 
 let _httpSession;
 
@@ -25,7 +24,7 @@ function installExtension(uuid, invocation) {
 
     _httpSession.queue_message(message, (session, message) => {
         if (message.status_code != Soup.KnownStatusCode.OK) {
-            ExtensionSystem.logExtensionError(uuid, 'downloading info: ' + message.status_code);
+            ExtensionSystem.logExtensionError(uuid, `downloading info: ${message.status_code}`);
             invocation.return_dbus_error('org.gnome.Shell.DownloadInfoError', message.status_code.toString());
             return;
         }
@@ -34,7 +33,7 @@ function installExtension(uuid, invocation) {
         try {
             info = JSON.parse(message.response_body.data);
         } catch (e) {
-            ExtensionSystem.logExtensionError(uuid, 'parsing info: ' + e);
+            ExtensionSystem.logExtensionError(uuid, `parsing info: ${e}`);
             invocation.return_dbus_error('org.gnome.Shell.ParseInfoError', e.toString());
             return;
         }
@@ -128,7 +127,7 @@ function updateExtension(uuid) {
             try {
                 extension = ExtensionUtils.createExtensionObject(uuid, extensionDir, ExtensionUtils.ExtensionType.PER_USER);
                 ExtensionSystem.loadExtension(extension);
-            } catch(e) {
+            } catch (e) {
                 if (extension)
                     ExtensionSystem.unloadExtension(extension);
 
@@ -176,10 +175,10 @@ function checkForUpdates() {
     });
 }
 
-var InstallExtensionDialog =
+var InstallExtensionDialog = GObject.registerClass(
 class InstallExtensionDialog extends ModalDialog.ModalDialog {
-    constructor(uuid, info, invocation) {
-        super({ styleClass: 'extension-dialog' });
+    _init(uuid, info, invocation) {
+        super._init({ styleClass: 'extension-dialog' });
 
         this._uuid = uuid;
         this._info = info;
@@ -187,26 +186,21 @@ class InstallExtensionDialog extends ModalDialog.ModalDialog {
 
         this.setButtons([{ label: _("Cancel"),
                            action: this._onCancelButtonPressed.bind(this),
-                           key:    Clutter.Escape
+                           key: Clutter.Escape
                          },
-                         { label:  _("Install"),
+                         { label: _("Install"),
                            action: this._onInstallButtonPressed.bind(this),
                            default: true
                          }]);
 
-        let message = _("Download and install “%s” from extensions.gnome.org?").format(info.name);
+        let content = new Dialog.MessageDialogContent({
+            title: _("Download and install “%s” from extensions.gnome.org?").format(info.name),
+            icon: new Gio.FileIcon({
+                file: Gio.File.new_for_uri(`${REPOSITORY_URL_BASE}${info.icon}`)
+            })
+        });
 
-        let box = new St.BoxLayout({ style_class: 'message-dialog-main-layout',
-                                     vertical: false });
-        this.contentLayout.add(box);
-
-        let gicon = new Gio.FileIcon({ file: Gio.File.new_for_uri(REPOSITORY_URL_BASE + info.icon) })
-        let icon = new St.Icon({ gicon: gicon });
-        box.add(icon);
-
-        let label = new St.Label({ style_class: 'message-dialog-title headline',
-                                   text: message });
-        box.add(label);
+        this.contentLayout.add(content);
     }
 
     _onCancelButtonPressed(button, event) {
@@ -226,13 +220,13 @@ class InstallExtensionDialog extends ModalDialog.ModalDialog {
         function errback(code, message) {
             let msg = message ? message.toString() : '';
             log('Error while installing %s: %s (%s)'.format(uuid, code, msg));
-            invocation.return_dbus_error('org.gnome.Shell.' + code, msg);
+            invocation.return_dbus_error(`org.gnome.Shell.${code}`, msg);
         }
 
         function callback() {
             // Add extension to 'enabled-extensions' for the user, always...
             let enabledExtensions = global.settings.get_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY);
-            if (enabledExtensions.indexOf(uuid) == -1) {
+            if (!enabledExtensions.includes(uuid)) {
                 enabledExtensions.push(uuid);
                 global.settings.set_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY, enabledExtensions);
             }
@@ -240,7 +234,7 @@ class InstallExtensionDialog extends ModalDialog.ModalDialog {
             try {
                 let extension = ExtensionUtils.createExtensionObject(uuid, dir, ExtensionUtils.ExtensionType.PER_USER);
                 ExtensionSystem.loadExtension(extension);
-            } catch(e) {
+            } catch (e) {
                 uninstallExtension(uuid);
                 errback('LoadExtensionError', e);
                 return;
@@ -255,7 +249,7 @@ class InstallExtensionDialog extends ModalDialog.ModalDialog {
 
         this.close();
     }
-};
+});
 
 function init() {
     _httpSession = new Soup.SessionAsync({ ssl_use_system_ca_file: true });

js/ui/extensionSystem.js

@@ -64,7 +64,7 @@ function disableExtension(uuid) {
         let uuid = orderReversed[i];
         try {
             ExtensionUtils.extensions[uuid].stateObj.disable();
-        } catch(e) {
+        } catch (e) {
             logExtensionError(uuid, e);
         }
     }
@@ -77,7 +77,7 @@ function disableExtension(uuid) {
 
     try {
         extension.stateObj.disable();
-    } catch(e) {
+    } catch (e) {
         logExtensionError(uuid, e);
     }
 
@@ -85,7 +85,7 @@ function disableExtension(uuid) {
         let uuid = order[i];
         try {
             ExtensionUtils.extensions[uuid].stateObj.enable();
-        } catch(e) {
+        } catch (e) {
             logExtensionError(uuid, e);
         }
     }
@@ -111,7 +111,7 @@ function enableExtension(uuid) {
 
     extensionOrder.push(uuid);
 
-    let stylesheetNames = [global.session_mode + '.css', 'stylesheet.css'];
+    let stylesheetNames = [`${global.session_mode}.css`, 'stylesheet.css'];
     let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
     for (let i = 0; i < stylesheetNames.length; i++) {
         try {
@@ -132,7 +132,7 @@ function enableExtension(uuid) {
         extension.state = ExtensionState.ENABLED;
         _signals.emit('extension-state-changed', extension);
         return;
-    } catch(e) {
+    } catch (e) {
         if (extension.stylesheet) {
             theme.unload_stylesheet(extension.stylesheet);
             delete extension.stylesheet;
@@ -147,7 +147,7 @@ function logExtensionError(uuid, error) {
     if (!extension)
         return;
 
-    let message = '' + error;
+    let message = `${error}`;
 
     extension.state = ExtensionState.ERROR;
     if (!extension.errors)
@@ -169,7 +169,7 @@ function loadExtension(extension) {
     if (checkVersion && ExtensionUtils.isOutOfDate(extension)) {
         extension.state = ExtensionState.OUT_OF_DATE;
     } else {
-        let enabled = enabledExtensions.indexOf(extension.uuid) != -1;
+        let enabled = enabledExtensions.includes(extension.uuid);
         if (enabled) {
             if (!initExtension(extension.uuid))
                 return;
@@ -208,7 +208,7 @@ function reloadExtension(oldExtension) {
     let newExtension;
     try {
         newExtension = ExtensionUtils.createExtensionObject(uuid, dir, type);
-    } catch(e) {
+    } catch (e) {
         logExtensionError(uuid, e);
         return;
     }
@@ -235,7 +235,7 @@ function initExtension(uuid) {
     ExtensionUtils.installImporter(extension);
     try {
         extensionModule = extension.imports.extension;
-    } catch(e) {
+    } catch (e) {
         logExtensionError(uuid, e);
         return false;
     }
@@ -243,7 +243,7 @@ function initExtension(uuid) {
     if (extensionModule.init) {
         try {
             extensionState = extensionModule.init(extension);
-        } catch(e) {
+        } catch (e) {
             logExtensionError(uuid, e);
             return false;
         }
@@ -313,9 +313,9 @@ function _onVersionValidationChanged() {
 }
 
 function _loadExtensions() {
-    global.settings.connect('changed::' + ENABLED_EXTENSIONS_KEY, onEnabledExtensionsChanged);
-    global.settings.connect('changed::' + DISABLE_USER_EXTENSIONS_KEY, onEnabledExtensionsChanged);
-    global.settings.connect('changed::' + EXTENSION_DISABLE_VERSION_CHECK_KEY, _onVersionValidationChanged);
+    global.settings.connect(`changed::${ENABLED_EXTENSIONS_KEY}`, onEnabledExtensionsChanged);
+    global.settings.connect(`changed::${DISABLE_USER_EXTENSIONS_KEY}`, onEnabledExtensionsChanged);
+    global.settings.connect(`changed::${EXTENSION_DISABLE_VERSION_CHECK_KEY}`, _onVersionValidationChanged);
 
     enabledExtensions = getEnabledExtensions();
 

js/ui/focusCaretTracker.js

@@ -49,15 +49,15 @@ var FocusCaretTracker = class FocusCaretTracker {
             this._atspiInited = true;
         }
 
-	return this._atspiInited;
+        return this._atspiInited;
     }
 
     registerFocusListener() {
         if (!this._initAtspi() || this._focusListenerRegistered)
             return;
 
-        this._atspiListener.register(STATECHANGED + ':focused');
-        this._atspiListener.register(STATECHANGED + ':selected');
+        this._atspiListener.register(`${STATECHANGED}:focused`);
+        this._atspiListener.register(`${STATECHANGED}:selected`);
         this._focusListenerRegistered = true;
     }
 
@@ -73,8 +73,8 @@ var FocusCaretTracker = class FocusCaretTracker {
         if (!this._focusListenerRegistered)
             return;
 
-        this._atspiListener.deregister(STATECHANGED + ':focused');
-        this._atspiListener.deregister(STATECHANGED + ':selected');
+        this._atspiListener.deregister(`${STATECHANGED}:focused`);
+        this._atspiListener.deregister(`${STATECHANGED}:selected`);
         this._focusListenerRegistered = false;
     }
 

js/ui/grabHelper.js

@@ -43,6 +43,9 @@ function _popGrabHelper(grabHelper) {
 // call grab().
 var GrabHelper = class GrabHelper {
     constructor(owner, params) {
+        if (!(owner instanceof Clutter.Actor))
+            throw new Error('GrabHelper owner must be a Clutter.Actor');
+
         this._owner = owner;
         this._modalParams = params;
 
@@ -84,7 +87,7 @@ var GrabHelper = class GrabHelper {
     _isWithinGrabbedActor(actor) {
         let currentActor = this.currentGrab.actor;
         while (actor) {
-            if (this._actors.indexOf(actor) != -1)
+            if (this._actors.includes(actor))
                 return true;
             if (actor == currentActor)
                 return true;

js/ui/ibusCandidatePopup.js

@@ -8,8 +8,8 @@ const Main = imports.ui.main;
 
 var MAX_CANDIDATES_PER_PAGE = 16;
 
-var DEFAULT_INDEX_LABELS = [ '1', '2', '3', '4', '5', '6', '7', '8',
-                             '9', '0', 'a', 'b', 'c', 'd', 'e', 'f' ];
+var DEFAULT_INDEX_LABELS = ['1', '2', '3', '4', '5', '6', '7', '8',
+                            '9', '0', 'a', 'b', 'c', 'd', 'e', 'f'];
 
 var CandidateArea = class CandidateArea {
     constructor() {
@@ -37,14 +37,14 @@ var CandidateArea = class CandidateArea {
 
         this.actor.connect('scroll-event', (actor, event) => {
             let direction = event.get_scroll_direction();
-            switch(direction) {
+            switch (direction) {
             case Clutter.ScrollDirection.UP:
                 this.emit('cursor-up');
                 break;
             case Clutter.ScrollDirection.DOWN:
                 this.emit('cursor-down');
                 break;
-            };
+            }
             return Clutter.EVENT_PROPAGATE;
         });
 
@@ -181,7 +181,7 @@ var CandidatePopup = class CandidatePopup {
                 let window = global.display.focus_window.get_compositor_private();
                 this._setDummyCursorGeometry(window.x + x, window.y + y, w, h);
             });
-        } catch(e) {
+        } catch (e) {
             // Only recent IBus versions have support for this signal
             // which is used for wayland clients. In order to work
             // with older IBus versions we can silently ignore the
@@ -235,7 +235,7 @@ var CandidatePopup = class CandidatePopup {
             let indexes = [];
             let indexLabel;
             for (let i = 0; (indexLabel = lookupTable.get_label(i)); ++i)
-                 indexes.push(indexLabel.get_text());
+                indexes.push(indexLabel.get_text());
 
             Main.keyboard.resetSuggestions();
 
@@ -272,7 +272,7 @@ var CandidatePopup = class CandidatePopup {
 
     _setDummyCursorGeometry(x, y, w, h) {
         Main.layoutManager.setDummyCursorGeometry(x, y, w, h);
-        if (this._boxPointer.actor.visible)
+        if (this._boxPointer.visible)
             this._boxPointer.setPosition(Main.layoutManager.dummyCursor, 0);
     }
 
@@ -285,7 +285,7 @@ var CandidatePopup = class CandidatePopup {
         if (isVisible) {
             this._boxPointer.setPosition(Main.layoutManager.dummyCursor, 0);
             this._boxPointer.open(BoxPointer.PopupAnimation.NONE);
-            this._boxPointer.actor.raise_top();
+            this._boxPointer.raise_top();
         } else {
             this._boxPointer.close(BoxPointer.PopupAnimation.NONE);
         }

js/ui/iconGrid.js

@@ -12,11 +12,11 @@ var MIN_ICON_SIZE = 16;
 var EXTRA_SPACE_ANIMATION_TIME = 0.25;
 
 var ANIMATION_TIME_IN = 0.350;
-var ANIMATION_TIME_OUT = 1/2 * ANIMATION_TIME_IN;
-var ANIMATION_MAX_DELAY_FOR_ITEM = 2/3 * ANIMATION_TIME_IN;
-var ANIMATION_BASE_DELAY_FOR_ITEM = 1/4 * ANIMATION_MAX_DELAY_FOR_ITEM;
-var ANIMATION_MAX_DELAY_OUT_FOR_ITEM = 2/3 * ANIMATION_TIME_OUT;
-var ANIMATION_FADE_IN_TIME_FOR_ITEM = 1/4 * ANIMATION_TIME_IN;
+var ANIMATION_TIME_OUT = 1 / 2 * ANIMATION_TIME_IN;
+var ANIMATION_MAX_DELAY_FOR_ITEM = 2 / 3 * ANIMATION_TIME_IN;
+var ANIMATION_BASE_DELAY_FOR_ITEM = 1 / 4 * ANIMATION_MAX_DELAY_FOR_ITEM;
+var ANIMATION_MAX_DELAY_OUT_FOR_ITEM = 2 / 3 * ANIMATION_TIME_OUT;
+var ANIMATION_FADE_IN_TIME_FOR_ITEM = 1 / 4 * ANIMATION_TIME_IN;
 
 var ANIMATION_BOUNCE_ICON_SCALE = 1.1;
 
@@ -43,8 +43,6 @@ class BaseIcon extends St.Bin {
                       x_fill: true,
                       y_fill: true });
 
-        this.actor = this;
-
         this.connect('destroy', this._onDestroy.bind(this));
 
         this._box = new St.BoxLayout({ vertical: true });
@@ -81,7 +79,7 @@ class BaseIcon extends St.Bin {
     // This can be overridden by a subclass, or by the createIcon
     // parameter to _init()
     createIcon(size) {
-        throw new Error('no implementation of createIcon in ' + this);
+        throw new GObject.NotImplementedError(`createIcon in ${this.constructor.name}`);
     }
 
     setIconSize(size) {
@@ -104,6 +102,7 @@ class BaseIcon extends St.Bin {
     }
 
     vfunc_style_changed() {
+        super.vfunc_style_changed();
         let node = this.get_theme_node();
 
         let size;
@@ -142,7 +141,7 @@ class BaseIcon extends St.Bin {
 
 function clamp(value, min, max) {
     return Math.max(Math.min(value, max), min);
-};
+}
 
 function zoomOutActor(actor) {
     let actorClone = new Clutter.Clone({ source: actor,
@@ -180,15 +179,13 @@ function zoomOutActor(actor) {
 }
 
 var IconGrid = GObject.registerClass({
-    Signals: {'animation-done': {},
-              'child-focused': { param_types: [Clutter.Actor.$gtype]} },
+    Signals: { 'animation-done': {},
+               'child-focused': { param_types: [Clutter.Actor.$gtype] } },
 }, class IconGrid extends St.Widget {
     _init(params) {
         super._init({ style_class: 'icon-grid',
                       y_align: Clutter.ActorAlign.START });
 
-        this.actor = this;
-
         params = Params.parse(params, { rowLimit: null,
                                         columnLimit: null,
                                         minRows: 1,
@@ -279,7 +276,7 @@ var IconGrid = GObject.registerClass({
         if (forWidth < 0)
             nColumns = children.length;
         else
-            [nColumns, ] = this._computeLayout(forWidth);
+            [nColumns] = this._computeLayout(forWidth);
 
         let nRows;
         if (nColumns > 0)
@@ -314,17 +311,18 @@ var IconGrid = GObject.registerClass({
         let [nColumns, usedWidth] = this._computeLayout(availWidth);
 
         let leftEmptySpace;
-        switch(this._xAlign) {
-            case St.Align.START:
-                leftEmptySpace = 0;
-                break;
-            case St.Align.MIDDLE:
-                leftEmptySpace = Math.floor((availWidth - usedWidth) / 2);
-                break;
-            case St.Align.END:
-                leftEmptySpace = availWidth - usedWidth;
+        switch (this._xAlign) {
+        case St.Align.START:
+            leftEmptySpace = 0;
+            break;
+        case St.Align.MIDDLE:
+            leftEmptySpace = Math.floor((availWidth - usedWidth) / 2);
+            break;
+        case St.Align.END:
+            leftEmptySpace = availWidth - usedWidth;
         }
 
+        let animating = this._clonesAnimating.length > 0;
         let x = box.x1 + leftEmptySpace + this.leftPadding;
         let y = box.y1 + this.topPadding;
         let columnIndex = 0;
@@ -334,10 +332,11 @@ var IconGrid = GObject.registerClass({
 
             if (this._rowLimit && rowIndex >= this._rowLimit ||
                 this._fillParent && childBox.y2 > availHeight - this.bottomPadding) {
-                children[i].hide();
+                children[i].opacity = 0;
             } else {
+                if (!animating)
+                    children[i].opacity = 255;
                 children[i].allocate(childBox, flags);
-                children[i].show();
             }
 
             columnIndex++;
@@ -378,15 +377,15 @@ var IconGrid = GObject.registerClass({
             return true;
 
         for (let child = this.get_first_child();
-             child != null;
-             child = child.get_next_sibling()) {
+            child != null;
+            child = child.get_next_sibling()) {
 
-            if (!child.visible)
+            if (!child.visible || !child.opacity)
                 continue;
 
             let childVolume = child.get_transformed_paint_volume(this);
             if (!childVolume)
-                return false
+                return false;
 
             paintVolume.union(childVolume);
         }
@@ -403,7 +402,7 @@ var IconGrid = GObject.registerClass({
     }
 
     _cancelAnimation() {
-        this._clonesAnimating.forEach(clone => { clone.destroy(); });
+        this._clonesAnimating.forEach(clone => clone.destroy());
         this._clonesAnimating = [];
     }
 
@@ -419,7 +418,8 @@ var IconGrid = GObject.registerClass({
 
     animatePulse(animationDirection) {
         if (animationDirection != AnimationDirection.IN)
-            throw new Error("Pulse animation only implements 'in' animation direction");
+            throw new GObject.NotImplementedError("Pulse animation only implements " +
+                                                  "'in' animation direction");
 
         this._cancelAnimation();
 
@@ -445,24 +445,24 @@ var IconGrid = GObject.registerClass({
             let bounceUpTime = ANIMATION_TIME_IN / 4;
             let isLastItem = index == actors.length - 1;
             Tweener.addTween(actor,
-                            { time: bounceUpTime,
-                              transition: 'easeInOutQuad',
-                              delay: delay,
-                              scale_x: ANIMATION_BOUNCE_ICON_SCALE,
-                              scale_y: ANIMATION_BOUNCE_ICON_SCALE,
-                              onComplete: () => {
-                                  Tweener.addTween(actor,
-                                                   { time: ANIMATION_TIME_IN - bounceUpTime,
-                                                     transition: 'easeInOutQuad',
-                                                     scale_x: 1,
-                                                     scale_y: 1,
-                                                     onComplete: () => {
-                                                        if (isLastItem)
-                                                            this._animationDone();
-                                                    }
-                                                   });
-                              }
-                            });
+                             { time: bounceUpTime,
+                               transition: 'easeInOutQuad',
+                               delay: delay,
+                               scale_x: ANIMATION_BOUNCE_ICON_SCALE,
+                               scale_y: ANIMATION_BOUNCE_ICON_SCALE,
+                               onComplete: () => {
+                                   Tweener.addTween(actor,
+                                                    { time: ANIMATION_TIME_IN - bounceUpTime,
+                                                      transition: 'easeInOutQuad',
+                                                      scale_x: 1,
+                                                      scale_y: 1,
+                                                      onComplete: () => {
+                                                          if (isLastItem)
+                                                              this._animationDone();
+                                                      }
+                                                    });
+                               }
+                             });
         }
     }
 
@@ -504,7 +504,7 @@ var IconGrid = GObject.registerClass({
             this._clonesAnimating.push(actorClone);
             Main.uiGroup.add_actor(actorClone);
 
-            let [width, height,,] = this._getAllocatedChildSizeAndSpacing(actor);
+            let [width, height] = this._getAllocatedChildSizeAndSpacing(actor);
             actorClone.set_size(width, height);
             let scaleX = sourceScaledWidth / width;
             let scaleY = sourceScaledHeight / height;
@@ -531,7 +531,7 @@ var IconGrid = GObject.registerClass({
                                    onComplete: () => {
                                        if (isLastItem)
                                            this._animationDone();
-                                   }};
+                                   } };
                 fadeParams = { time: ANIMATION_FADE_IN_TIME_FOR_ITEM,
                                transition: 'easeInOutQuad',
                                delay: delay,
@@ -553,7 +553,7 @@ var IconGrid = GObject.registerClass({
                                    onComplete: () => {
                                        if (isLastItem)
                                            this._animationDone();
-                                   }};
+                                   } };
                 fadeParams = { time: ANIMATION_FADE_IN_TIME_FOR_ITEM,
                                transition: 'easeInOutQuad',
                                delay: ANIMATION_TIME_OUT + delay - ANIMATION_FADE_IN_TIME_FOR_ITEM,
@@ -710,8 +710,8 @@ var IconGrid = GObject.registerClass({
         if (this._padWithSpacing) {
             // minRows + 1 because we want to put spacing before the first row, so it is like we have one more row
             // to divide the empty space
-            maxVSpacing = Math.floor(maxEmptyVArea / (this._minRows +1));
-            maxHSpacing = Math.floor(maxEmptyHArea / (this._minColumns +1));
+            maxVSpacing = Math.floor(maxEmptyVArea / (this._minRows + 1));
+            maxHSpacing = Math.floor(maxEmptyHArea / (this._minColumns + 1));
         } else {
             if (this._minRows <=  1)
                 maxVSpacing = maxEmptyVArea;
@@ -743,11 +743,10 @@ var IconGrid = GObject.registerClass({
         this._fixedHItemSize = this._hItemSize;
         this._fixedVItemSize = this._vItemSize;
         this._updateSpacingForSize(availWidth, availHeight);
-        let spacing = this._getSpacing();
 
         if (this.columnsForWidth(availWidth) < this._minColumns || this.rowsForHeight(availHeight) < this._minRows) {
-            let neededWidth = this.usedWidthForNColumns(this._minColumns) - availWidth ;
-            let neededHeight = this.usedHeightForNRows(this._minRows) - availHeight ;
+            let neededWidth = this.usedWidthForNColumns(this._minColumns) - availWidth;
+            let neededHeight = this.usedHeightForNRows(this._minRows) - availHeight;
 
             let neededSpacePerItem = (neededWidth > neededHeight) ? Math.ceil(neededWidth / this._minColumns)
                                                                   : Math.ceil(neededHeight / this._minRows);
@@ -771,8 +770,8 @@ var IconGrid = GObject.registerClass({
 });
 
 var PaginatedIconGrid = GObject.registerClass({
-    Signals: {'space-opened': {},
-              'space-closed': {} },
+    Signals: { 'space-opened': {},
+               'space-closed': {} },
 }, class PaginatedIconGrid extends IconGrid {
     _init(params) {
         super._init(params);
@@ -789,7 +788,7 @@ var PaginatedIconGrid = GObject.registerClass({
     }
 
     vfunc_allocate(box, flags) {
-         if (this._childrenPerPage == 0)
+        if (this._childrenPerPage == 0)
             log('computePages() must be called before allocate(); pagination will not work.');
 
         this.set_allocation(box, flags);
@@ -802,26 +801,24 @@ var PaginatedIconGrid = GObject.registerClass({
         }
         let children = this._getVisibleChildren();
         let availWidth = box.x2 - box.x1;
-        let availHeight = box.y2 - box.y1;
         let spacing = this._getSpacing();
         let [nColumns, usedWidth] = this._computeLayout(availWidth);
 
         let leftEmptySpace;
-        switch(this._xAlign) {
-            case St.Align.START:
-                leftEmptySpace = 0;
-                break;
-            case St.Align.MIDDLE:
-                leftEmptySpace = Math.floor((availWidth - usedWidth) / 2);
-                break;
-            case St.Align.END:
-                leftEmptySpace = availWidth - usedWidth;
+        switch (this._xAlign) {
+        case St.Align.START:
+            leftEmptySpace = 0;
+            break;
+        case St.Align.MIDDLE:
+            leftEmptySpace = Math.floor((availWidth - usedWidth) / 2);
+            break;
+        case St.Align.END:
+            leftEmptySpace = availWidth - usedWidth;
         }
 
         let x = box.x1 + leftEmptySpace + this.leftPadding;
         let y = box.y1 + this.topPadding;
         let columnIndex = 0;
-        let rowIndex = 0;
 
         for (let i = 0; i < children.length; i++) {
             let childBox = this._calculateChildBox(children[i], x, y, box);
@@ -831,19 +828,19 @@ var PaginatedIconGrid = GObject.registerClass({
             columnIndex++;
             if (columnIndex == nColumns) {
                 columnIndex = 0;
-                rowIndex++;
             }
             if (columnIndex == 0) {
                 y += this._getVItemSize() + spacing;
                 if ((i + 1) % this._childrenPerPage == 0)
                     y +=  this._spaceBetweenPages - spacing + this.bottomPadding + this.topPadding;
                 x = box.x1 + leftEmptySpace + this.leftPadding;
-            } else
+            } else {
                 x += this._getHItemSize() + spacing;
+            }
         }
     }
 
-    // Overriden from IconGrid
+    // Overridden from IconGrid
     _getChildrenToAnimate() {
         let children = this._getVisibleChildren();
         let firstIndex = this._childrenPerPage * this.currentPage;
@@ -863,7 +860,6 @@ var PaginatedIconGrid = GObject.registerClass({
         if (this._rowLimit)
             nRows = Math.min(nRows, this._rowLimit);
 
-        let spacing = this._getSpacing();
         // We want to contain the grid inside the parent box with padding
         this._rowsPerPage = this.rowsForHeight(availHeightPerPage);
         this._nPages = Math.ceil(nRows / this._rowsPerPage);
@@ -892,7 +888,7 @@ var PaginatedIconGrid = GObject.registerClass({
         if (!this._nPages)
             return 0;
 
-        let firstPageItem = pageNumber * this._childrenPerPage
+        let firstPageItem = pageNumber * this._childrenPerPage;
         let childBox = this._getVisibleChildren()[firstPageItem].get_allocation_box();
         return childBox.y1 - this.topPadding;
     }
@@ -971,7 +967,7 @@ var PaginatedIconGrid = GObject.registerClass({
                            transition: 'easeInOutQuad'
                          };
             if (i == (children.length - 1))
-                params.onComplete = () => { this.emit('space-opened'); };
+                params.onComplete = () => this.emit('space-opened');
             Tweener.addTween(children[i], params);
         }
     }
@@ -989,7 +985,7 @@ var PaginatedIconGrid = GObject.registerClass({
                              { translation_y: 0,
                                time: EXTRA_SPACE_ANIMATION_TIME,
                                transition: 'easeInOutQuad',
-                               onComplete: () => { this.emit('space-closed'); }
+                               onComplete: () => this.emit('space-closed')
                              });
         }
     }

js/ui/inhibitShortcutsDialog.js

@@ -111,7 +111,7 @@ var InhibitShortcutsDialog = GObject.registerClass({
     }
 
     vfunc_show() {
-        if (this._app && APP_WHITELIST.indexOf(this._app.get_id()) != -1) {
+        if (this._app && APP_WHITELIST.includes(this._app.get_id())) {
             this._emitResponse(DialogResponse.ALLOW);
             return;
         }

js/ui/keyboard.js

@@ -24,29 +24,29 @@ const SHOW_KEYBOARD = 'screen-keyboard-enabled';
 const KEY_SIZE = 2;
 
 const defaultKeysPre = [
-    [ [], [], [{ width: 1.5, level: 1, extraClassName: 'shift-key-lowercase' }], [{ label: '?123', width: 1.5, level: 2 }] ],
-    [ [], [], [{ width: 1.5, level: 0, extraClassName: 'shift-key-uppercase' }], [{ label: '?123', width: 1.5, level: 2 }] ],
-    [ [], [], [{ label: '=/<', width: 1.5, level: 3 }], [{ label: 'ABC', width: 1.5, level: 0 }] ],
-    [ [], [], [{ label: '?123', width: 1.5, level: 2 }], [{ label: 'ABC', width: 1.5, level: 0 }] ],
+    [[], [], [{ width: 1.5, level: 1, extraClassName: 'shift-key-lowercase' }], [{ label: '?123', width: 1.5, level: 2 }]],
+    [[], [], [{ width: 1.5, level: 0, extraClassName: 'shift-key-uppercase' }], [{ label: '?123', width: 1.5, level: 2 }]],
+    [[], [], [{ label: '=/<', width: 1.5, level: 3 }], [{ label: 'ABC', width: 1.5, level: 0 }]],
+    [[], [], [{ label: '?123', width: 1.5, level: 2 }], [{ label: 'ABC', width: 1.5, level: 0 }]],
 ];
 
 const defaultKeysPost = [
-    [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
-      [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
-      [{ width: 3, level: 1, right: true, extraClassName: 'shift-key-lowercase' }],
-      [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }] ],
-    [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
-      [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
-      [{ width: 3, level: 0, right: true, extraClassName: 'shift-key-uppercase' }],
-      [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }] ],
-    [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
-      [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
-      [{ label: '=/<', width: 3, level: 3, right: true }],
-      [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }] ],
-    [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
-      [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
-      [{ label: '?123', width: 3, level: 2, right: true }],
-      [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }] ],
+    [[{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
+     [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
+     [{ width: 3, level: 1, right: true, extraClassName: 'shift-key-lowercase' }],
+     [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }]],
+    [[{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
+     [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
+     [{ width: 3, level: 0, right: true, extraClassName: 'shift-key-uppercase' }],
+     [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }]],
+    [[{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
+     [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
+     [{ label: '=/<', width: 3, level: 3, right: true }],
+     [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }]],
+    [[{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }],
+     [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }],
+     [{ label: '?123', width: 3, level: 2, right: true }],
+     [{ label: '☻', action: 'emoji' }, { action: 'languageMenu', extraClassName: 'layout-key' }, { action: 'hide', extraClassName: 'hide-key' }]],
 ];
 
 var AspectContainer = GObject.registerClass(
@@ -282,11 +282,11 @@ var Key = class Key {
                                                        y_fill: true,
                                                        x_align: St.Align.START });
         this._boxPointer.hide();
-        Main.layoutManager.addChrome(this._boxPointer.actor);
+        Main.layoutManager.addTopChrome(this._boxPointer);
         this._boxPointer.setPosition(this.keyButton, 0.5);
 
         // Adds style to existing keyboard style to avoid repetition
-        this._boxPointer.actor.add_style_class_name('keyboard-subkeys');
+        this._boxPointer.add_style_class_name('keyboard-subkeys');
         this._getExtendedKeys();
         this.keyButton._extended_keys = this._extended_keyboard;
     }
@@ -297,7 +297,7 @@ var Key = class Key {
     }
 
     _press(key) {
-        this.emit('activated')
+        this.emit('activated');
 
         if (key != this.key || this._extended_keys.length == 0) {
             this.emit('pressed', this._getKeyval(key), key);
@@ -405,9 +405,6 @@ var Key = class Key {
             return Clutter.EVENT_PROPAGATE;
         });
         button.connect('touch-event', (actor, event) => {
-            let device = event.get_device();
-            let sequence = event.get_event_sequence();
-
             // We only handle touch events here on wayland. On X11
             // we do get emulated pointer events, which already works
             // for single-touch cases. Besides, the X11 passive touch grab
@@ -683,7 +680,7 @@ var EmojiPager = class EmojiPager {
 
     _onPanEnd() {
         if (Math.abs(this._delta) < this.actor.width * PANEL_SWITCH_RELATIVE_DISTANCE) {
-            this._onPanCancel()
+            this._onPanCancel();
         } else {
             let value;
             if (this._delta > 0)
@@ -865,7 +862,7 @@ var EmojiSelection = class EmojiSelection {
                                         x_expand: true,
                                         y_expand: true,
                                         vertical: true });
-        this.actor.connect('notify::mapped', () => { this._emojiPager.setCurrentPage(0); });
+        this.actor.connect('notify::mapped', () => this._emojiPager.setCurrentPage(0));
 
         this._emojiPager = new EmojiPager(this._sections, 11, 3);
         this._emojiPager.connect('page-changed', (pager, section, page, nPages) => {
@@ -913,7 +910,6 @@ var EmojiSelection = class EmojiSelection {
             contents = imports.byteArray.toString(contents);
         let emoji = JSON.parse(contents);
 
-        let pages = [];
         let variants = [];
         let currentKey = 0;
         let currentSection = null;
@@ -948,14 +944,14 @@ var EmojiSelection = class EmojiSelection {
 
         key = new Key('ABC', []);
         key.keyButton.add_style_class_name('default-key');
-        key.connect('released', () => { this.emit('toggle'); });
+        key.connect('released', () => this.emit('toggle'));
         row.appendKey(key.actor, 1.5);
 
         for (let i = 0; i < this._sections.length; i++) {
             let section = this._sections[i];
 
             key = new Key(section.label, []);
-            key.connect('released', () => { this._emojiPager.setCurrentSection(section, 0) });
+            key.connect('released', () => this._emojiPager.setCurrentSection(section, 0));
             row.appendKey(key.actor);
 
             section.button = key;
@@ -1049,7 +1045,7 @@ var Keyboard = class Keyboard {
         this._a11yApplicationsSettings.connect('changed', this._syncEnabled.bind(this));
         this._lastDeviceId = null;
         this._suggestions = null;
-        this._emojiKeyVisible = true;
+        this._emojiKeyVisible = Meta.is_wayland_compositor();
 
         this._focusTracker = new FocusTracker();
         this._focusTracker.connect('position-changed', this._onFocusPositionChanged.bind(this));
@@ -1074,7 +1070,7 @@ var Keyboard = class Keyboard {
                 let manager = Clutter.DeviceManager.get_default();
                 let device = manager.get_device(deviceId);
 
-                if (device.get_device_name().indexOf('XTEST') < 0) {
+                if (!device.get_device_name().includes('XTEST')) {
                     this._lastDeviceId = deviceId;
                     this._syncEnabled();
                 }
@@ -1144,6 +1140,7 @@ var Keyboard = class Keyboard {
             this._keyboardController.disconnect(this._keypadVisibleId);
         if (this._focusNotifyId)
             global.stage.disconnect(this._focusNotifyId);
+        this._clearShowIdle();
         this._keyboard = null;
         this.actor.destroy();
         this.actor = null;
@@ -1162,7 +1159,7 @@ var Keyboard = class Keyboard {
         this._keyboardController = new KeyboardController();
 
         this._groups = {};
-        this._current_page = null;
+        this._currentPage = null;
 
         this._suggestions = new Suggestions();
         this.actor.add(this._suggestions.actor,
@@ -1174,7 +1171,7 @@ var Keyboard = class Keyboard {
 
         this._emojiSelection = new EmojiSelection();
         this._emojiSelection.connect('toggle', this._toggleEmoji.bind(this));
-        this._emojiSelection.connect('hide', (selection) => { this.hide(); });
+        this._emojiSelection.connect('hide', (selection) => this.hide());
         this._emojiSelection.connect('emoji-selected', (selection, emoji) => {
             this._keyboardController.commitString(emoji);
         });
@@ -1202,10 +1199,12 @@ var Keyboard = class Keyboard {
         this._keyboardNotifyId = this._keyboardController.connect('active-group', this._onGroupChanged.bind(this));
         this._keyboardGroupsChangedId = this._keyboardController.connect('groups-changed', this._onKeyboardGroupsChanged.bind(this));
         this._keyboardStateId = this._keyboardController.connect('panel-state', this._onKeyboardStateChanged.bind(this));
-        this._emojiKeyVisibleId = this._keyboardController.connect('emoji-visible', this._onEmojiKeyVisible.bind(this));
         this._keypadVisibleId = this._keyboardController.connect('keypad-visible', this._onKeypadVisible.bind(this));
         this._focusNotifyId = global.stage.connect('notify::key-focus', this._onKeyFocusChanged.bind(this));
 
+        if (Meta.is_wayland_compositor())
+            this._emojiKeyVisibleId = this._keyboardController.connect('emoji-visible', this._onEmojiKeyVisible.bind(this));
+
         this._relayout();
     }
 
@@ -1225,11 +1224,12 @@ var Keyboard = class Keyboard {
         }
 
         if (!this._showIdleId) {
-          this._showIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT_IDLE, () => {
-              this.show(Main.layoutManager.focusIndex);
-              return GLib.SOURCE_REMOVE;
-          });
-          GLib.Source.set_name_by_id(this._showIdleId, '[gnome-shell] this.show');
+            this._showIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT_IDLE, () => {
+                this.show(Main.layoutManager.focusIndex);
+                this._showIdleId = 0;
+                return GLib.SOURCE_REMOVE;
+            });
+            GLib.Source.set_name_by_id(this._showIdleId, '[gnome-shell] this.show');
         }
     }
 
@@ -1302,7 +1302,7 @@ var Keyboard = class Keyboard {
             this._languagePopup.destroy();
 
         this._languagePopup = new LanguageSelectionPopup(keyActor);
-        Main.layoutManager.addChrome(this._languagePopup.actor);
+        Main.layoutManager.addTopChrome(this._languagePopup.actor);
         this._languagePopup.open(true);
     }
 
@@ -1353,7 +1353,7 @@ var Keyboard = class Keyboard {
             } else if (switchToLevel == 1) {
                 extraButton.connect('long-press', () => {
                     this._latched = true;
-                    this._setCurrentLevelLatched(this._current_page, this._latched);
+                    this._setCurrentLevelLatched(this._currentPage, this._latched);
                 });
             }
 
@@ -1380,8 +1380,8 @@ var Keyboard = class Keyboard {
     }
 
     _updateCurrentPageVisible() {
-        if (this._current_page)
-            this._current_page.visible = !this._emojiActive && !this._keypadVisible;
+        if (this._currentPage)
+            this._currentPage.visible = !this._emojiActive && !this._keypadVisible;
     }
 
     _setEmojiActive(active) {
@@ -1402,8 +1402,6 @@ var Keyboard = class Keyboard {
     }
 
     _getDefaultKeysForRow(row, numRows, level) {
-        let pre, post;
-
         /* The first 2 rows in defaultKeysPre/Post belong together with
          * the first 2 rows on each keymap. On keymaps that have more than
          * 4 rows, the last 2 default key rows must be respectively
@@ -1440,12 +1438,12 @@ var Keyboard = class Keyboard {
 
     _getGridSlots() {
         let numOfHorizSlots = 0, numOfVertSlots;
-        let rows = this._current_page.get_children();
+        let rows = this._currentPage.get_children();
         numOfVertSlots = rows.length;
 
         for (let i = 0; i < rows.length; ++i) {
-            let keyboard_row = rows[i];
-            let keys = keyboard_row.get_children();
+            let keyboardRow = rows[i];
+            let keys = keyboardRow.get_children();
 
             numOfHorizSlots = Math.max(numOfHorizSlots, keys.length);
         }
@@ -1470,7 +1468,12 @@ var Keyboard = class Keyboard {
     }
 
     _onKeyboardGroupsChanged(keyboard) {
-        this._groups = [];
+        let nonGroupActors = [this._emojiSelection.actor, this._keypad.actor];
+        this._aspectContainer.get_children().filter(c => !nonGroupActors.includes(c)).forEach(c => {
+            c.destroy();
+        });
+
+        this._groups = {};
         this._onGroupChanged();
     }
 
@@ -1512,13 +1515,24 @@ var Keyboard = class Keyboard {
     _setActiveLayer(activeLevel) {
         let activeGroupName = this._keyboardController.getCurrentGroup();
         let layers = this._groups[activeGroupName];
+        let currentPage = layers[activeLevel];
 
-        if (this._current_page != null) {
-            this._setCurrentLevelLatched(this._current_page, false);
-            this._current_page.hide();
+        if (this._currentPage == currentPage) {
+            this._updateCurrentPageVisible();
+            return;
         }
 
-        this._current_page = layers[activeLevel];
+        if (this._currentPage != null) {
+            this._setCurrentLevelLatched(this._currentPage, false);
+            this._currentPage.disconnect(this._currentPage._destroyID);
+            this._currentPage.hide();
+            delete this._currentPage._destroyID;
+        }
+
+        this._currentPage = currentPage;
+        this._currentPage._destroyID = this._currentPage.connect('destroy', () => {
+            this._currentPage = null;
+        });
         this._updateCurrentPageVisible();
     }
 
@@ -1606,18 +1620,6 @@ var Keyboard = class Keyboard {
         this.setCursorLocation(null);
     }
 
-    _hideSubkeys() {
-        if (this._subkeysBoxPointer) {
-            this._subkeysBoxPointer.hide(BoxPointer.PopupAnimation.FULL);
-            this._subkeysBoxPointer = null;
-        }
-        if (this._capturedEventId) {
-            this.actor.disconnect(this._capturedEventId);
-            this._capturedEventId = 0;
-        }
-        this._capturedPress = false;
-    }
-
     resetSuggestions() {
         if (this._suggestions)
             this._suggestions.clear();
@@ -1638,8 +1640,7 @@ var Keyboard = class Keyboard {
     }
 
     _windowSlideAnimationComplete(window, delta) {
-        // Synchronize window and actor positions again.
-        let windowActor = window.get_compositor_private();
+        // Synchronize window positions again.
         let frameRect = window.get_frame_rect();
         frameRect.y += delta;
         window.move_frame(true, frameRect.x, frameRect.y);
@@ -1680,12 +1681,11 @@ var Keyboard = class Keyboard {
         this._animFocusedWindow = window;
     }
 
-    setCursorLocation(window, x, y , w, h) {
+    setCursorLocation(window, x, y, w, h) {
         let monitor = Main.layoutManager.keyboardMonitor;
 
         if (window && monitor) {
             let keyboardHeight = Main.layoutManager.keyboardBox.height;
-            let focusObscured = false;
 
             if (y + h >= monitor.y + monitor.height - keyboardHeight) {
                 if (this._keyboardVisible)
@@ -1736,7 +1736,6 @@ var KeyboardController = class {
     }
 
     _onContentPurposeHintsChanged(method) {
-        let hints = method.content_hints;
         let purpose = method.content_purpose;
         let emojiVisible = false;
         let keypadVisible = false;
@@ -1751,13 +1750,13 @@ var KeyboardController = class {
             purpose == Clutter.InputContentPurpose.PHONE)
             keypadVisible = true;
 
-        this.emit('emoji-visible', emojiVisible)
+        this.emit('emoji-visible', emojiVisible);
         this.emit('keypad-visible', keypadVisible);
     }
 
     getGroups() {
         let inputSources = this._inputSourceManager.inputSources;
-        let groups = []
+        let groups = [];
 
         for (let i in inputSources) {
             let is = inputSources[i];

js/ui/layout.js

@@ -11,6 +11,7 @@ const DND = imports.ui.dnd;
 const Main = imports.ui.main;
 const Params = imports.misc.params;
 const Tweener = imports.ui.tweener;
+const Ripples = imports.ui.ripples;
 
 var STARTUP_ANIMATION_TIME = 0.5;
 var KEYBOARD_ANIMATION_TIME = 0.15;
@@ -20,7 +21,7 @@ var HOT_CORNER_PRESSURE_THRESHOLD = 100; // pixels
 var HOT_CORNER_PRESSURE_TIMEOUT = 1000; // ms
 
 function isPopupMetaWindow(actor) {
-    switch(actor.meta_window.get_window_type()) {
+    switch (actor.meta_window.get_window_type()) {
     case Meta.WindowType.DROPDOWN_MENU:
     case Meta.WindowType.POPUP_MENU:
     case Meta.WindowType.COMBO:
@@ -31,18 +32,20 @@ function isPopupMetaWindow(actor) {
 }
 
 var MonitorConstraint = GObject.registerClass({
-    Properties: {'primary': GObject.ParamSpec.boolean('primary', 
-                                                      'Primary', 'Track primary monitor',
-                                                      GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
-                                                      false),
-                 'index': GObject.ParamSpec.int('index',
-                                                'Monitor index', 'Track specific monitor',
-                                                GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
-                                                -1, 64, -1),
-                 'work-area': GObject.ParamSpec.boolean('work-area',
-                                                        'Work-area', 'Track monitor\'s work-area',
-                                                        GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
-                                                        false)},
+    Properties: {
+        'primary': GObject.ParamSpec.boolean('primary',
+                                             'Primary', 'Track primary monitor',
+                                             GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
+                                             false),
+        'index': GObject.ParamSpec.int('index',
+                                       'Monitor index', 'Track specific monitor',
+                                       GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
+                                       -1, 64, -1),
+        'work-area': GObject.ParamSpec.boolean('work-area',
+                                               'Work-area', 'Track monitor\'s work-area',
+                                               GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
+                                               false)
+    },
 }, class MonitorConstraint extends Clutter.Constraint {
     _init(props) {
         this._primary = false;
@@ -146,13 +149,13 @@ var MonitorConstraint = GObject.registerClass({
 });
 
 var Monitor = class Monitor {
-    constructor(index, geometry, geometry_scale) {
+    constructor(index, geometry, geometryScale) {
         this.index = index;
         this.x = geometry.x;
         this.y = geometry.y;
         this.width = geometry.width;
         this.height = geometry.height;
-        this.geometry_scale = geometry_scale;
+        this.geometry_scale = geometryScale;
     }
 
     get inFullscreen() {
@@ -216,10 +219,17 @@ var LayoutManager = GObject.registerClass({
         this.uiGroup = new UiActor({ name: 'uiGroup' });
         this.uiGroup.set_flags(Clutter.ActorFlags.NO_LAYOUT);
 
+        global.stage.add_child(this.uiGroup);
+
         global.stage.remove_actor(global.window_group);
         this.uiGroup.add_actor(global.window_group);
 
-        global.stage.add_child(this.uiGroup);
+        // Using addChrome() to add actors to uiGroup will position actors
+        // underneath the top_window_group.
+        // To insert actors at the top of uiGroup, we use addTopChrome() or
+        // add the actor directly using uiGroup.add_actor().
+        global.stage.remove_actor(global.top_window_group);
+        this.uiGroup.add_actor(global.top_window_group);
 
         this.overviewGroup = new St.Widget({ name: 'overviewGroup',
                                              visible: false,
@@ -247,17 +257,14 @@ var LayoutManager = GObject.registerClass({
         this.keyboardBox = new St.BoxLayout({ name: 'keyboardBox',
                                               reactive: true,
                                               track_hover: true });
-        this.addChrome(this.keyboardBox);
+        this.addTopChrome(this.keyboardBox);
         this._keyboardHeightNotifyId = 0;
 
         // A dummy actor that tracks the mouse or text cursor, based on the
         // position and size set in setDummyCursorGeometry.
-        this.dummyCursor = new St.Widget({ width: 0, height: 0, visible: false });
+        this.dummyCursor = new St.Widget({ width: 0, height: 0, opacity: 0 });
         this.uiGroup.add_actor(this.dummyCursor);
 
-        global.stage.remove_actor(global.top_window_group);
-        this.uiGroup.add_actor(global.top_window_group);
-
         let feedbackGroup = Meta.get_feedback_group_for_display(global.display);
         global.stage.remove_actor(feedbackGroup);
         this.uiGroup.add_actor(feedbackGroup);
@@ -802,6 +809,16 @@ var LayoutManager = GObject.registerClass({
         this._trackActor(actor, params);
     }
 
+    // addTopChrome:
+    // @actor: an actor to add to the chrome
+    // @params: (optional) additional params
+    //
+    // Like addChrome(), but adds @actor above all windows, including popups.
+    addTopChrome(actor, params) {
+        this.uiGroup.add_actor(actor);
+        this._trackActor(actor, params);
+    }
+
     // trackChrome:
     // @actor: a descendant of the chrome to begin tracking
     // @params: parameters describing how to track @actor
@@ -1052,14 +1069,13 @@ var LayoutManager = GObject.registerClass({
                 else
                     continue;
 
-                let strutRect = new Meta.Rectangle({ x: x1, y: y1, width: x2 - x1, height: y2 - y1});
+                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);
             }
         }
 
-        if (!Meta.is_wayland_compositor())
-            global.set_stage_input_region(rects);
+        global.set_stage_input_region(rects);
         this._isPopupWindowVisible = isPopupMenuVisible;
 
         let workspaceManager = global.workspace_manager;
@@ -1104,14 +1120,15 @@ var HotCorner = class HotCorner {
                                                     Shell.ActionMode.OVERVIEW);
         this._pressureBarrier.connect('trigger', this._toggleOverview.bind(this));
 
-        // Cache the three ripples instead of dynamically creating and destroying them.
-        this._ripple1 = new St.BoxLayout({ style_class: 'ripple-box', opacity: 0, visible: false });
-        this._ripple2 = new St.BoxLayout({ style_class: 'ripple-box', opacity: 0, visible: false });
-        this._ripple3 = new St.BoxLayout({ style_class: 'ripple-box', opacity: 0, visible: false });
+        let px = 0.0;
+        let py = 0.0;
+        if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL) {
+            px = 1.0;
+            py = 0.0;
+        }
 
-        layoutManager.uiGroup.add_actor(this._ripple1);
-        layoutManager.uiGroup.add_actor(this._ripple2);
-        layoutManager.uiGroup.add_actor(this._ripple3);
+        this._ripples = new Ripples.Ripples(px, py, 'ripple-box');
+        this._ripples.addTo(layoutManager.uiGroup);
     }
 
     setBarrierSize(size) {
@@ -1193,53 +1210,12 @@ var HotCorner = class HotCorner {
             this.actor.destroy();
     }
 
-    _animRipple(ripple, delay, time, startScale, startOpacity, finalScale) {
-        // We draw a ripple by using a source image and animating it scaling
-        // outwards and fading away. We want the ripples to move linearly
-        // or it looks unrealistic, but if the opacity of the ripple goes
-        // linearly to zero it fades away too quickly, so we use Tweener's
-        // 'onUpdate' to give a non-linear curve to the fade-away and make
-        // it more visible in the middle section.
-
-        ripple._opacity = startOpacity;
-
-        if (ripple.get_text_direction() == Clutter.TextDirection.RTL)
-            ripple.set_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
-
-        ripple.visible = true;
-        ripple.opacity = 255 * Math.sqrt(startOpacity);
-        ripple.scale_x = ripple.scale_y = startScale;
-
-        ripple.x = this._x;
-        ripple.y = this._y;
-
-        Tweener.addTween(ripple, { _opacity: 0,
-                                   scale_x: finalScale,
-                                   scale_y: finalScale,
-                                   delay: delay,
-                                   time: time,
-                                   transition: 'linear',
-                                   onUpdate() { ripple.opacity = 255 * Math.sqrt(ripple._opacity); },
-                                   onComplete() { ripple.visible = false; } });
-    }
-
-    _rippleAnimation() {
-        // Show three concentric ripples expanding outwards; the exact
-        // parameters were found by trial and error, so don't look
-        // for them to make perfect sense mathematically
-
-        //                              delay  time  scale opacity => scale
-        this._animRipple(this._ripple1, 0.0,   0.83,  0.25,  1.0,     1.5);
-        this._animRipple(this._ripple2, 0.05,  1.0,   0.0,   0.7,     1.25);
-        this._animRipple(this._ripple3, 0.35,  1.0,   0.0,   0.3,     1);
-    }
-
     _toggleOverview() {
         if (this._monitor.inFullscreen && !Main.overview.visible)
             return;
 
         if (Main.overview.shouldToggleByCornerOrButton()) {
-            this._rippleAnimation();
+            this._ripples.playAnimation(this._x, this._y);
             Main.overview.toggle();
         }
     }

js/ui/lightbox.js

@@ -7,7 +7,7 @@ const Params = imports.misc.params;
 const Tweener = imports.ui.tweener;
 
 var DEFAULT_FADE_FACTOR = 0.4;
-var VIGNETTE_BRIGHTNESS = 0.8;
+var VIGNETTE_BRIGHTNESS = 0.2;
 var VIGNETTE_SHARPNESS = 0.7;
 
 const VIGNETTE_DECLARATIONS = '\

js/ui/locatePointer.js

@@ -0,0 +1,24 @@
+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+
+const { Gio } = imports.gi;
+const Ripples = imports.ui.ripples;
+const Main = imports.ui.main;
+
+const LOCATE_POINTER_KEY = "locate-pointer";
+const LOCATE_POINTER_SCHEMA = "org.gnome.desktop.interface";
+
+var LocatePointer = class {
+    constructor() {
+        this._settings = new Gio.Settings({ schema_id: LOCATE_POINTER_SCHEMA });
+        this._ripples = new Ripples.Ripples(0.5, 0.5, 'ripple-pointer-location');
+        this._ripples.addTo(Main.uiGroup);
+    }
+
+    show() {
+        if (!this._settings.get_boolean(LOCATE_POINTER_KEY))
+            return;
+
+        let [x, y, mods] = global.get_pointer();
+        this._ripples.playAnimation(x, y);
+    }
+};

js/ui/lookingGlass.js

@@ -68,10 +68,10 @@ var AutoComplete = class AutoComplete {
             if (commonPrefix.length > 0) {
                 this.additionalCompletionText(commonPrefix, event.attrHead);
                 this.emit('completion', { completion: commonPrefix, type: 'prefix' });
-                this.emit('suggest', { completions: event.completions});
+                this.emit('suggest', { completions: event.completions });
             }
         } else if (event.completions.length > 1 && event.tabType === 'double') {
-            this.emit('suggest', { completions: event.completions});
+            this.emit('suggest', { completions: event.completions });
         }
     }
 
@@ -146,8 +146,8 @@ var Notebook = class Notebook {
         this.actor.add(scrollview, { expand: true });
 
         let vAdjust = scrollview.vscroll.adjustment;
-        vAdjust.connect('changed', () => { this._onAdjustScopeChanged(tabData); });
-        vAdjust.connect('notify::value', () => { this._onAdjustValueChanged(tabData); });
+        vAdjust.connect('changed', () => this._onAdjustScopeChanged(tabData));
+        vAdjust.connect('notify::value', () => this._onAdjustValueChanged(tabData));
 
         if (this._selectedIndex == -1)
             this.selectIndex(0);
@@ -185,9 +185,9 @@ var Notebook = class Notebook {
     }
 
     selectChild(child) {
-        if (child == null)
+        if (child == null) {
             this.selectIndex(-1);
-        else {
+        } else {
             for (let i = 0; i < this._tabs.length; i++) {
                 let tabData = this._tabs[i];
                 if (tabData.child == child) {
@@ -242,7 +242,7 @@ function objectToString(o) {
         // special case this since the default is way, way too verbose
         return '<js function>';
     } else {
-        return '' + o;
+        return `${o}`;
     }
 }
 
@@ -284,7 +284,7 @@ var Result = class Result {
         this.actor.add(cmdTxt);
         let box = new St.BoxLayout({});
         this.actor.add(box);
-        let resultTxt = new St.Label({ text: 'r(' + index + ') = ' });
+        let resultTxt = new St.Label({ text: `r(${index}) = ` });
         resultTxt.clutter_text.ellipsize = Pango.EllipsizeMode.END;
         box.add(resultTxt);
         let objLink = new ObjLink(this._lookingGlass, o);
@@ -320,7 +320,7 @@ var WindowList = class WindowList {
             box.add(windowLink.actor, { x_align: St.Align.START, x_fill: false });
             let propsBox = new St.BoxLayout({ vertical: true, style: 'padding-left: 6px;' });
             box.add(propsBox);
-            propsBox.add(new St.Label({ text: 'wmclass: ' + metaWindow.get_wm_class() }));
+            propsBox.add(new St.Label({ text: `wmclass: ${metaWindow.get_wm_class()}` }));
             let app = tracker.get_window_app(metaWindow);
             if (app != null && !app.is_window_backed()) {
                 let icon = app.create_icon_texture(22);
@@ -394,7 +394,6 @@ var ObjInspector = class ObjInspector {
 
             for (let i = 0; i < properties.length; i++) {
                 let propName = properties[i];
-                let valueStr;
                 let link;
                 try {
                     let prop = obj[propName];
@@ -403,8 +402,7 @@ var ObjInspector = class ObjInspector {
                     link = new St.Label({ text: '<error>' });
                 }
                 let hbox = new St.BoxLayout();
-                let propText = propName + ': ' + valueStr;
-                hbox.add(new St.Label({ text: propName + ': ' }));
+                hbox.add(new St.Label({ text: `${propName}: ` }));
                 hbox.add(link);
                 this._container.add_actor(hbox);
             }
@@ -493,8 +491,13 @@ var Inspector = GObject.registerClass({
         eventHandler.connect('button-press-event', this._onButtonPressEvent.bind(this));
         eventHandler.connect('scroll-event', this._onScrollEvent.bind(this));
         eventHandler.connect('motion-event', this._onMotionEvent.bind(this));
-        Clutter.grab_pointer(eventHandler);
-        Clutter.grab_keyboard(eventHandler);
+
+        let dm = Clutter.DeviceManager.get_default();
+        this._pointerDevice = dm.get_core_device(Clutter.InputDeviceType.POINTER_DEVICE);
+        this._keyboardDevice = dm.get_core_device(Clutter.InputDeviceType.KEYBOARD_DEVICE);
+
+        this._pointerDevice.grab(eventHandler);
+        this._keyboardDevice.grab(eventHandler);
 
         // this._target is the actor currently shown by the inspector.
         // this._pointerTarget is the actor directly under the pointer.
@@ -527,8 +530,8 @@ var Inspector = GObject.registerClass({
     }
 
     _close() {
-        Clutter.ungrab_pointer();
-        Clutter.ungrab_keyboard();
+        this._pointerDevice.ungrab();
+        this._keyboardDevice.ungrab();
         this._eventHandler.destroy();
         this._eventHandler = null;
         this.emit('closed');
@@ -551,7 +554,7 @@ var Inspector = GObject.registerClass({
 
     _onScrollEvent(actor, event) {
         switch (event.get_scroll_direction()) {
-        case Clutter.ScrollDirection.UP:
+        case Clutter.ScrollDirection.UP: {
             // select parent
             let parent = this._target.get_parent();
             if (parent != null) {
@@ -559,6 +562,7 @@ var Inspector = GObject.registerClass({
                 this._update(event);
             }
             break;
+        }
 
         case Clutter.ScrollDirection.DOWN:
             // select child
@@ -598,9 +602,9 @@ var Inspector = GObject.registerClass({
             this._target = target;
         this._pointerTarget = target;
 
-        let position = '[inspect x: ' + stageX + ' y: ' + stageY + ']';
+        let position = `[inspect x: ${stageX} y: ${stageY}]`;
         this._displayText.text = '';
-        this._displayText.text = position + ' ' + this._target;
+        this._displayText.text = `${position} ${this._target}`;
 
         this._lookingGlass.setBorderPaintTarget(this._target);
     }
@@ -612,7 +616,7 @@ var Extensions = class Extensions {
         this.actor = new St.BoxLayout({ vertical: true,
                                         name: 'lookingGlassExtensions' });
         this._noExtensions = new St.Label({ style_class: 'lg-extensions-none',
-                                             text: _("No extensions installed") });
+                                            text: _("No extensions installed") });
         this._numExtensions = 0;
         this._extensionsList = new St.BoxLayout({ vertical: true,
                                                   style_class: 'lg-extensions-list' });
@@ -684,17 +688,17 @@ var Extensions = class Extensions {
 
     _stateToString(extensionState) {
         switch (extensionState) {
-            case ExtensionSystem.ExtensionState.ENABLED:
-                return _("Enabled");
-            case ExtensionSystem.ExtensionState.DISABLED:
-            case ExtensionSystem.ExtensionState.INITIALIZED:
-                return _("Disabled");
-            case ExtensionSystem.ExtensionState.ERROR:
-                return _("Error");
-            case ExtensionSystem.ExtensionState.OUT_OF_DATE:
-                return _("Out of date");
-            case ExtensionSystem.ExtensionState.DOWNLOADING:
-                return _("Downloading");
+        case ExtensionSystem.ExtensionState.ENABLED:
+            return _("Enabled");
+        case ExtensionSystem.ExtensionState.DISABLED:
+        case ExtensionSystem.ExtensionState.INITIALIZED:
+            return _("Disabled");
+        case ExtensionSystem.ExtensionState.ERROR:
+            return _("Error");
+        case ExtensionSystem.ExtensionState.OUT_OF_DATE:
+            return _("Out of date");
+        case ExtensionSystem.ExtensionState.DOWNLOADING:
+            return _("Downloading");
         }
         return 'Unknown'; // Not translated, shouldn't appear
     }
@@ -702,7 +706,7 @@ var Extensions = class Extensions {
     _createExtensionDisplay(extension) {
         let box = new St.BoxLayout({ style_class: 'lg-extension', vertical: true });
         let name = new St.Label({ style_class: 'lg-extension-name',
-                                   text: extension.metadata.name });
+                                  text: extension.metadata.name });
         box.add(name, { expand: true });
         let description = new St.Label({ style_class: 'lg-extension-description',
                                          text: extension.metadata.description || 'No description' });
@@ -710,7 +714,6 @@ var Extensions = class Extensions {
 
         let metaBox = new St.BoxLayout({ style_class: 'lg-extension-meta' });
         box.add(metaBox);
-        let stateString = this._stateToString(extension.state);
         let state = new St.Label({ style_class: 'lg-extension-state',
                                    text: this._stateToString(extension.state) });
         metaBox.add(state);
@@ -795,7 +798,7 @@ var LookingGlass = class LookingGlass {
         inspectIcon.connect('button-press-event', () => {
             let inspector = new Inspector(this);
             inspector.connect('target', (i, target, stageX, stageY) => {
-                this._pushResult('inspect(' + Math.round(stageX) + ', ' + Math.round(stageY) + ')', target);
+                this._pushResult(`inspect(${Math.round(stageX)}, ${Math.round(stageY)})`, target);
             });
             inspector.connect('closed', () => {
                 this.actor.show();
@@ -810,15 +813,15 @@ var LookingGlass = class LookingGlass {
         toolbar.add_actor(gcIcon);
         gcIcon.reactive = true;
         gcIcon.connect('button-press-event', () => {
-           gcIcon.icon_name = 'user-trash';
-           System.gc();
-           this._timeoutId = Mainloop.timeout_add(500, () => {
+            gcIcon.icon_name = 'user-trash';
+            System.gc();
+            this._timeoutId = Mainloop.timeout_add(500, () => {
                 gcIcon.icon_name = 'user-trash-full';
                 this._timeoutId = 0;
                 return GLib.SOURCE_REMOVE;
-           });
-           GLib.Source.set_name_by_id(this._timeoutId, '[gnome-shell] gcIcon.icon_name = \'user-trash-full\'');
-           return Clutter.EVENT_PROPAGATE;
+            });
+            GLib.Source.set_name_by_id(this._timeoutId, '[gnome-shell] gcIcon.icon_name = \'user-trash-full\'');
+            return Clutter.EVENT_PROPAGATE;
         });
 
         let notebook = new Notebook();
@@ -889,9 +892,11 @@ var LookingGlass = class LookingGlass {
         let fontDesc = Pango.FontDescription.from_string(fontName);
         // We ignore everything but size and style; you'd be crazy to set your system-wide
         // monospace font to be bold/oblique/etc. Could easily be added here.
-        this.actor.style =
-            'font-size: ' + fontDesc.get_size() / 1024. + (fontDesc.get_size_is_absolute() ? 'px' : 'pt') + ';'
-            + 'font-family: "' + fontDesc.get_family() + '";';
+        let size = fontDesc.get_size() / 1024.;
+        let unit = fontDesc.get_size_is_absolute() ? 'px' : 'pt';
+        this.actor.style = `
+            font-size: ${size}${unit};
+            font-family: "${fontDesc.get_family()}";`;
     }
 
     setBorderPaintTarget(obj) {
@@ -977,7 +982,7 @@ var LookingGlass = class LookingGlass {
         try {
             resultObj = Function(fullCmd)();
         } catch (e) {
-            resultObj = '<exception ' + e + '>';
+            resultObj = `<exception ${e}>`;
         }
 
         this._pushResult(command, resultObj);
@@ -1004,7 +1009,7 @@ var LookingGlass = class LookingGlass {
     }
 
     _queueResize() {
-        Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => { this._resize(); });
+        Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => this._resize());
     }
 
     _resize() {

js/ui/magnifier.js

@@ -18,9 +18,6 @@ var NO_CHANGE = 0.0;
 var POINTER_REST_TIME = 1000; // milliseconds
 
 // Settings
-const APPLICATIONS_SCHEMA       = 'org.gnome.desktop.a11y.applications';
-const SHOW_KEY                  = 'screen-magnifier-enabled';
-
 const MAGNIFIER_SCHEMA          = 'org.gnome.desktop.a11y.magnifier';
 const SCREEN_POSITION_KEY       = 'screen-position';
 const MAG_FACTOR_KEY            = 'mag-factor';
@@ -44,10 +41,8 @@ const CROSS_HAIRS_OPACITY_KEY   = 'cross-hairs-opacity';
 const CROSS_HAIRS_LENGTH_KEY    = 'cross-hairs-length';
 const CROSS_HAIRS_CLIP_KEY      = 'cross-hairs-clip';
 
-let magDBusService = null;
-
 var MouseSpriteContent = GObject.registerClass({
-    Implements: [ Clutter.Content ],
+    Implements: [Clutter.Content],
 }, class MouseSpriteContent extends GObject.Object {
     _init() {
         super._init();
@@ -56,20 +51,19 @@ var MouseSpriteContent = GObject.registerClass({
 
     vfunc_get_preferred_size() {
         if (!this._texture)
-            return [0, 0];
+            return [false, 0, 0];
 
-        return [this._texture.get_width(), this._texture.get_height()];
+        return [true, this._texture.get_width(), this._texture.get_height()];
     }
 
     vfunc_paint_content(actor, node) {
         if (!this._texture)
             return;
 
-        let color = new Clutter.Color();
+        let color = Clutter.Color.get_static(Clutter.StaticColor.WHITE);
+        let [minFilter, magFilter] = actor.get_content_scaling_filters();
         let textureNode = new Clutter.TextureNode(this._texture,
-                                                  color,
-                                                  Clutter.ScalingFilter.NEAREST,
-                                                  Clutter.ScalingFilter.NEAREST);
+                                                  color, minFilter, magFilter);
         textureNode.set_name('MouseSpriteContent');
         node.add_child(textureNode);
 
@@ -84,8 +78,14 @@ var MouseSpriteContent = GObject.registerClass({
         if (this._texture == coglTexture)
             return;
 
+        let oldTexture = this._texture;
         this._texture = coglTexture;
         this.invalidate();
+
+        if (!oldTexture || !coglTexture ||
+            oldTexture.get_width() != coglTexture.get_width() ||
+            oldTexture.get_height() != coglTexture.get_height())
+            this.invalidate_size();
     }
 });
 
@@ -100,7 +100,6 @@ var Magnifier = class Magnifier {
 
         this._mouseSprite = new Clutter.Actor({ request_mode: Clutter.RequestMode.CONTENT_SIZE });
         this._mouseSprite.content = new MouseSpriteContent();
-        this._updateSpriteTexture();
 
         this._cursorRoot = new Clutter.Actor();
         this._cursorRoot.add_actor(this._mouseSprite);
@@ -113,14 +112,16 @@ var Magnifier = class Magnifier {
 
         let aZoomRegion = new ZoomRegion(this, this._cursorRoot);
         this._zoomRegions.push(aZoomRegion);
-        let showAtLaunch = this._settingsInit(aZoomRegion);
+        this._settingsInit(aZoomRegion);
         aZoomRegion.scrollContentsTo(this.xMouse, this.yMouse);
 
-        cursorTracker.connect('cursor-changed', this._updateMouseSprite.bind(this));
+        St.Settings.get().connect('notify::magnifier-active', () => {
+            this.setActive(St.Settings.get().magnifier_active);
+        });
 
         // Export to dbus.
-        magDBusService = new MagnifierDBus.ShellMagnifier();
-        this.setActive(showAtLaunch);
+        (new MagnifierDBus.ShellMagnifier());
+        this.setActive(St.Settings.get().magnifier_active);
     }
 
     /**
@@ -147,15 +148,21 @@ var Magnifier = class Magnifier {
     setActive(activate) {
         let isActive = this.isActive();
 
-        this._zoomRegions.forEach ((zoomRegion, index, array) => {
+        this._zoomRegions.forEach((zoomRegion, index, array) => {
             zoomRegion.setActive(activate);
         });
 
         if (isActive != activate) {
             if (activate) {
+                this._updateMouseSprite();
+                this._cursorSpriteChangedId =
+                    this._cursorTracker.connect('cursor-changed',
+                                                this._updateMouseSprite.bind(this));
                 Meta.disable_unredirect_for_display(global.display);
                 this.startTrackingMouse();
             } else {
+                this._cursorTracker.disconnect(this._cursorSpriteChangedId);
+                this._mouseSprite.content.texture = null;
                 Meta.enable_unredirect_for_display(global.display);
                 this.stopTrackingMouse();
             }
@@ -275,7 +282,7 @@ var Magnifier = class Magnifier {
      * @zoomRegion:     The zoomRegion to add.
      */
     addZoomRegion(zoomRegion) {
-        if(zoomRegion) {
+        if (zoomRegion) {
             this._zoomRegions.push(zoomRegion);
             if (!this.isTrackingMouse())
                 this.startTrackingMouse();
@@ -340,8 +347,7 @@ var Magnifier = class Magnifier {
             if (!this._crossHairs)
                 this.addCrosshairs();
             this._crossHairs.show();
-        }
-        else {
+        } else {
             if (this._crossHairs)
                 this._crossHairs.hide();
         }
@@ -368,9 +374,9 @@ var Magnifier = class Magnifier {
         if (this._crossHairs) {
             let clutterColor = this._crossHairs.getColor();
             return clutterColor.to_string();
-        }
-        else
+        } else {
             return '#00000000';
+        }
     }
 
     /**
@@ -450,8 +456,7 @@ var Magnifier = class Magnifier {
         if (clip) {
             if (this._crossHairs)
                 this._crossHairs.setClip(CROSSHAIRS_CLIP_SIZE);
-        }
-        else {
+        } else {
             // Setting no clipping on crosshairs means a zero sized clip
             // rectangle.
             if (this._crossHairs)
@@ -464,14 +469,14 @@ var Magnifier = class Magnifier {
      * Get whether the crosshairs are clipped by the mouse image.
      * @return:   Whether the crosshairs are clipped.
      */
-     getCrosshairsClip() {
+    getCrosshairsClip() {
         if (this._crossHairs) {
             let [clipWidth, clipHeight] = this._crossHairs.getClip();
             return (clipWidth > 0 && clipHeight > 0);
-        }
-        else
+        } else {
             return false;
-     }
+        }
+    }
 
     //// Private methods ////
 
@@ -493,68 +498,63 @@ var Magnifier = class Magnifier {
     }
 
     _settingsInit(zoomRegion) {
-        this._appSettings = new Gio.Settings({ schema_id: APPLICATIONS_SCHEMA });
         this._settings = new Gio.Settings({ schema_id: MAGNIFIER_SCHEMA });
 
-        this._appSettings.connect('changed::' + SHOW_KEY, () => {
-            this.setActive(this._appSettings.get_boolean(SHOW_KEY));
-        });
-
-        this._settings.connect('changed::' + SCREEN_POSITION_KEY,
+        this._settings.connect(`changed::${SCREEN_POSITION_KEY}`,
                                this._updateScreenPosition.bind(this));
-        this._settings.connect('changed::' + MAG_FACTOR_KEY,
+        this._settings.connect(`changed::${MAG_FACTOR_KEY}`,
                                this._updateMagFactor.bind(this));
-        this._settings.connect('changed::' + LENS_MODE_KEY,
+        this._settings.connect(`changed::${LENS_MODE_KEY}`,
                                this._updateLensMode.bind(this));
-        this._settings.connect('changed::' + CLAMP_MODE_KEY,
+        this._settings.connect(`changed::${CLAMP_MODE_KEY}`,
                                this._updateClampMode.bind(this));
-        this._settings.connect('changed::' + MOUSE_TRACKING_KEY,
+        this._settings.connect(`changed::${MOUSE_TRACKING_KEY}`,
                                this._updateMouseTrackingMode.bind(this));
-        this._settings.connect('changed::' + FOCUS_TRACKING_KEY,
+        this._settings.connect(`changed::${FOCUS_TRACKING_KEY}`,
                                this._updateFocusTrackingMode.bind(this));
-        this._settings.connect('changed::' + CARET_TRACKING_KEY,
+        this._settings.connect(`changed::${CARET_TRACKING_KEY}`,
                                this._updateCaretTrackingMode.bind(this));
 
-        this._settings.connect('changed::' + INVERT_LIGHTNESS_KEY,
+        this._settings.connect(`changed::${INVERT_LIGHTNESS_KEY}`,
                                this._updateInvertLightness.bind(this));
-        this._settings.connect('changed::' + COLOR_SATURATION_KEY,
+        this._settings.connect(`changed::${COLOR_SATURATION_KEY}`,
                                this._updateColorSaturation.bind(this));
 
-        this._settings.connect('changed::' + BRIGHT_RED_KEY,
+        this._settings.connect(`changed::${BRIGHT_RED_KEY}`,
                                this._updateBrightness.bind(this));
-        this._settings.connect('changed::' + BRIGHT_GREEN_KEY,
+        this._settings.connect(`changed::${BRIGHT_GREEN_KEY}`,
                                this._updateBrightness.bind(this));
-        this._settings.connect('changed::' + BRIGHT_BLUE_KEY,
+        this._settings.connect(`changed::${BRIGHT_BLUE_KEY}`,
                                this._updateBrightness.bind(this));
 
-        this._settings.connect('changed::' + CONTRAST_RED_KEY,
+        this._settings.connect(`changed::${CONTRAST_RED_KEY}`,
                                this._updateContrast.bind(this));
-        this._settings.connect('changed::' + CONTRAST_GREEN_KEY,
+        this._settings.connect(`changed::${CONTRAST_GREEN_KEY}`,
                                this._updateContrast.bind(this));
-        this._settings.connect('changed::' + CONTRAST_BLUE_KEY,
+        this._settings.connect(`changed::${CONTRAST_BLUE_KEY}`,
                                this._updateContrast.bind(this));
 
-        this._settings.connect('changed::' + SHOW_CROSS_HAIRS_KEY, () => {
+        this._settings.connect(`changed::${SHOW_CROSS_HAIRS_KEY}`, () => {
             this.setCrosshairsVisible(this._settings.get_boolean(SHOW_CROSS_HAIRS_KEY));
         });
 
-        this._settings.connect('changed::' + CROSS_HAIRS_THICKNESS_KEY, () => {
+        this._settings.connect(`changed::${CROSS_HAIRS_THICKNESS_KEY}`, () => {
             this.setCrosshairsThickness(this._settings.get_int(CROSS_HAIRS_THICKNESS_KEY));
         });
 
-        this._settings.connect('changed::' + CROSS_HAIRS_COLOR_KEY, () => {
+        this._settings.connect(`changed::${CROSS_HAIRS_COLOR_KEY}`, () => {
             this.setCrosshairsColor(this._settings.get_string(CROSS_HAIRS_COLOR_KEY));
         });
 
-        this._settings.connect('changed::' + CROSS_HAIRS_OPACITY_KEY, () => {
+        this._settings.connect(`changed::${CROSS_HAIRS_OPACITY_KEY}`, () => {
             this.setCrosshairsOpacity(this._settings.get_double(CROSS_HAIRS_OPACITY_KEY));
         });
 
-        this._settings.connect('changed::' + CROSS_HAIRS_LENGTH_KEY, () => {
+        this._settings.connect(`changed::${CROSS_HAIRS_LENGTH_KEY}`, () => {
             this.setCrosshairsLength(this._settings.get_int(CROSS_HAIRS_LENGTH_KEY));
         });
 
-        this._settings.connect('changed::' + CROSS_HAIRS_CLIP_KEY, () => {
+        this._settings.connect(`changed::${CROSS_HAIRS_CLIP_KEY}`, () => {
             this.setCrosshairsClip(this._settings.get_boolean(CROSS_HAIRS_CLIP_KEY));
         });
 
@@ -606,9 +606,7 @@ var Magnifier = class Magnifier {
         let showCrosshairs = this._settings.get_boolean(SHOW_CROSS_HAIRS_KEY);
         this.addCrosshairs();
         this.setCrosshairsVisible(showCrosshairs);
-
-        return this._appSettings.get_boolean(SHOW_KEY);
-   }
+    }
 
     _updateScreenPosition() {
         // Applies only to the first zoom region.
@@ -754,13 +752,41 @@ var ZoomRegion = class ZoomRegion {
 
         this._pointerIdleMonitor = Meta.IdleMonitor.get_for_device(Meta.VIRTUAL_CORE_POINTER_ID);
         this._scrollContentsTimerId = 0;
+    }
 
-        Main.layoutManager.connect('monitors-changed',
-                                   this._monitorsChanged.bind(this));
-        this._focusCaretTracker.connect('caret-moved',
-                                    this._updateCaret.bind(this));
-        this._focusCaretTracker.connect('focus-changed',
-                                    this._updateFocus.bind(this));
+    _connectSignals() {
+        if (this._signalConnections)
+            return;
+
+        this._signalConnections = [];
+        let id = Main.layoutManager.connect('monitors-changed',
+                                            this._monitorsChanged.bind(this));
+        this._signalConnections.push([Main.layoutManager, id]);
+
+        id = this._focusCaretTracker.connect('caret-moved', this._updateCaret.bind(this));
+        this._signalConnections.push([this._focusCaretTracker, id]);
+
+        id = this._focusCaretTracker.connect('focus-changed', this._updateFocus.bind(this));
+        this._signalConnections.push([this._focusCaretTracker, id]);
+    }
+
+    _disconnectSignals() {
+        for (let [obj, id] of this._signalConnections)
+            obj.disconnect(id);
+
+        delete this._signalConnections;
+    }
+
+    _updateScreenPosition() {
+        if (this._screenPosition == GDesktopEnums.MagnifierScreenPosition.NONE)
+            this._setViewPort({
+                x: this._viewPortX,
+                y: this._viewPortY,
+                width: this._viewPortWidth,
+                height: this._viewPortHeight
+            });
+        else
+            this.setScreenPosition(this._screenPosition);
     }
 
     _updateFocus(caller, event) {
@@ -770,8 +796,8 @@ var ZoomRegion = class ZoomRegion {
         let extents;
         try {
             extents = component.get_extents(Atspi.CoordType.SCREEN);
-        } catch(e) {
-            log('Failed to read extents of focused component: ' + e.message);
+        } catch (e) {
+            log(`Failed to read extents of focused component: ${e.message}`);
             return;
         }
 
@@ -787,8 +813,8 @@ var ZoomRegion = class ZoomRegion {
         let extents;
         try {
             extents = text.get_character_extents(text.get_caret_offset(), 0);
-        } catch(e) {
-            log('Failed to read extents of text caret: ' + e.message);
+        } catch (e) {
+            log(`Failed to read extents of text caret: ${e.message}`);
             return;
         }
 
@@ -808,10 +834,13 @@ var ZoomRegion = class ZoomRegion {
             this._createActors();
             if (this._isMouseOverRegion())
                 this._magnifier.hideSystemCursor();
+            this._updateScreenPosition();
             this._updateMagViewGeometry();
             this._updateCloneGeometry();
             this._updateMousePosition();
+            this._connectSignals();
         } else {
+            this._disconnectSignals();
             this._destroyActors();
         }
 
@@ -997,7 +1026,7 @@ var ZoomRegion = class ZoomRegion {
         viewPort.x = 0;
         viewPort.y = 0;
         viewPort.width = global.screen_width;
-        viewPort.height = global.screen_height/2;
+        viewPort.height = global.screen_height / 2;
         this._setViewPort(viewPort);
         this._screenPosition = GDesktopEnums.MagnifierScreenPosition.TOP_HALF;
     }
@@ -1009,9 +1038,9 @@ var ZoomRegion = class ZoomRegion {
     setBottomHalf() {
         let viewPort = {};
         viewPort.x = 0;
-        viewPort.y = global.screen_height/2;
+        viewPort.y = global.screen_height / 2;
         viewPort.width = global.screen_width;
-        viewPort.height = global.screen_height/2;
+        viewPort.height = global.screen_height / 2;
         this._setViewPort(viewPort);
         this._screenPosition = GDesktopEnums.MagnifierScreenPosition.BOTTOM_HALF;
     }
@@ -1024,7 +1053,7 @@ var ZoomRegion = class ZoomRegion {
         let viewPort = {};
         viewPort.x = 0;
         viewPort.y = 0;
-        viewPort.width = global.screen_width/2;
+        viewPort.width = global.screen_width / 2;
         viewPort.height = global.screen_height;
         this._setViewPort(viewPort);
         this._screenPosition = GDesktopEnums.MagnifierScreenPosition.LEFT_HALF;
@@ -1036,9 +1065,9 @@ var ZoomRegion = class ZoomRegion {
      */
     setRightHalf() {
         let viewPort = {};
-        viewPort.x = global.screen_width/2;
+        viewPort.x = global.screen_width / 2;
         viewPort.y = 0;
-        viewPort.width = global.screen_width/2;
+        viewPort.width = global.screen_width / 2;
         viewPort.height = global.screen_height;
         this._setViewPort(viewPort);
         this._screenPosition = GDesktopEnums.MagnifierScreenPosition.RIGHT_HALF;
@@ -1070,21 +1099,21 @@ var ZoomRegion = class ZoomRegion {
      */
     setScreenPosition(inPosition) {
         switch (inPosition) {
-            case GDesktopEnums.MagnifierScreenPosition.FULL_SCREEN:
-                this.setFullScreenMode();
-                break;
-            case GDesktopEnums.MagnifierScreenPosition.TOP_HALF:
-                this.setTopHalf();
-                break;
-            case GDesktopEnums.MagnifierScreenPosition.BOTTOM_HALF:
-                this.setBottomHalf();
-                break;
-            case GDesktopEnums.MagnifierScreenPosition.LEFT_HALF:
-                this.setLeftHalf();
-                break;
-            case GDesktopEnums.MagnifierScreenPosition.RIGHT_HALF:
-                this.setRightHalf();
-                break;
+        case GDesktopEnums.MagnifierScreenPosition.FULL_SCREEN:
+            this.setFullScreenMode();
+            break;
+        case GDesktopEnums.MagnifierScreenPosition.TOP_HALF:
+            this.setTopHalf();
+            break;
+        case GDesktopEnums.MagnifierScreenPosition.BOTTOM_HALF:
+            this.setBottomHalf();
+            break;
+        case GDesktopEnums.MagnifierScreenPosition.LEFT_HALF:
+            this.setLeftHalf();
+            break;
+        case GDesktopEnums.MagnifierScreenPosition.RIGHT_HALF:
+            this.setRightHalf();
+            break;
         }
     }
 
@@ -1239,7 +1268,7 @@ var ZoomRegion = class ZoomRegion {
 
     /**
      * getContrast:
-     * Retreive the contrast of the magnified view.
+     * Retrieve the contrast of the magnified view.
      * @return  Object containing the contrast for the red, green,
      *          and blue channels.
      */
@@ -1427,11 +1456,9 @@ var ZoomRegion = class ZoomRegion {
 
         if (this._mouseTrackingMode == GDesktopEnums.MagnifierMouseTrackingMode.PROPORTIONAL) {
             return this._centerFromPointProportional(xMouse, yMouse);
-        }
-        else if (this._mouseTrackingMode == GDesktopEnums.MagnifierMouseTrackingMode.PUSH) {
+        } else if (this._mouseTrackingMode == GDesktopEnums.MagnifierMouseTrackingMode.PUSH) {
             return this._centerFromPointPush(xMouse, yMouse);
-        }
-        else if (this._mouseTrackingMode == GDesktopEnums.MagnifierMouseTrackingMode.CENTERED) {
+        } else if (this._mouseTrackingMode == GDesktopEnums.MagnifierMouseTrackingMode.CENTERED) {
             return this._centerFromPointCentered(xMouse, yMouse);
         }
 
@@ -1499,7 +1526,7 @@ var ZoomRegion = class ZoomRegion {
         let xProportion = (xPoint - halfScreenWidth) / halfScreenWidth;   // -1 ... 1
         let yProportion = (yPoint - halfScreenHeight) / halfScreenHeight; // -1 ... 1
         let xPos = xPoint - xProportion * (widthRoi / 2 - xPadding);
-        let yPos = yPoint - yProportion * (heightRoi /2 - yPadding);
+        let yPos = yPoint - yProportion * (heightRoi / 2 - yPadding);
 
         return [xPos, yPos];
     }
@@ -1561,18 +1588,8 @@ var ZoomRegion = class ZoomRegion {
     }
 
     _monitorsChanged() {
-        if (!this.isActive())
-            return;
-
         this._background.set_size(global.screen_width, global.screen_height);
-
-        if (this._screenPosition == GDesktopEnums.MagnifierScreenPosition.NONE)
-            this._setViewPort({ x: this._viewPortX,
-                                y: this._viewPortY,
-                                width: this._viewPortWidth,
-                                height: this._viewPortHeight });
-        else
-            this.setScreenPosition(this._screenPosition);
+        this._updateScreenPosition();
     }
 };
 
@@ -1611,7 +1628,7 @@ var Crosshairs = class Crosshairs {
         this.reCenter();
     }
 
-   /**
+    /**
     * addToZoomRegion
     * Either add the crosshairs actor to the given ZoomRegion, or, if it is
     * already part of some other ZoomRegion, create a clone of the crosshairs
@@ -1639,7 +1656,7 @@ var Crosshairs = class Crosshairs {
                 container.raise_child(magnifiedMouse, crosshairsActor);
                 let [xMouse, yMouse] = magnifiedMouse.get_position();
                 let [crosshairsWidth, crosshairsHeight] = crosshairsActor.get_size();
-                crosshairsActor.set_position(xMouse - crosshairsWidth / 2 , yMouse - crosshairsHeight / 2);
+                crosshairsActor.set_position(xMouse - crosshairsWidth / 2, yMouse - crosshairsHeight / 2);
             }
         }
         return crosshairsActor;
@@ -1755,13 +1772,12 @@ var Crosshairs = class Crosshairs {
             // mouse.
             this._clipSize = size;
             this.reCenter();
-        }
-        else {
+        } else {
             // Restore the missing chunk.
             this._clipSize = [0, 0];
             this.reCenter();
         }
-     }
+    }
 
     /**
      * show:
@@ -1795,9 +1811,7 @@ var Crosshairs = class Crosshairs {
     reCenter(clipSize) {
         let [groupWidth, groupHeight] = this._actor.get_size();
         let leftLength = this._horizLeftHair.get_width();
-        let rightLength = this._horizRightHair.get_width();
         let topLength = this._vertTopHair.get_height();
-        let bottomLength = this._vertBottomHair.get_height();
         let thickness = this._horizLeftHair.get_height();
 
         // Deal with clip rectangle.
@@ -1904,8 +1918,8 @@ var MagShaderEffects = class MagShaderEffects {
         // a null first argument.
         let [bRed, bGreen, bBlue] = this._brightnessContrast.get_brightness();
         this._brightnessContrast.set_enabled(
-             cRed != NO_CHANGE || cGreen != NO_CHANGE || cBlue != NO_CHANGE ||
-             bRed != NO_CHANGE || bGreen != NO_CHANGE || bBlue != NO_CHANGE
+            cRed != NO_CHANGE || cGreen != NO_CHANGE || cBlue != NO_CHANGE ||
+            bRed != NO_CHANGE || bGreen != NO_CHANGE || bBlue != NO_CHANGE
         );
     }
 };

js/ui/magnifierDBus.js

@@ -85,7 +85,7 @@ var ShellMagnifier = class ShellMagnifier {
         let ROI = { x: roi[0], y: roi[1], width: roi[2] - roi[0], height: roi[3] - roi[1] };
         let viewBox = { x: viewPort[0], y: viewPort[1], width: viewPort[2] - viewPort[0], height: viewPort[3] - viewPort[1] };
         let realZoomRegion = Main.magnifier.createZoomRegion(xMagFactor, yMagFactor, ROI, viewBox);
-        let objectPath = ZOOM_SERVICE_PATH + '/zoomer' + _zoomRegionInstanceCount;
+        let objectPath = `${ZOOM_SERVICE_PATH}/zoomer${_zoomRegionInstanceCount}`;
         _zoomRegionInstanceCount++;
 
         let zoomRegionProxy = new ShellMagnifierZoomRegion(objectPath, realZoomRegion);
@@ -106,9 +106,9 @@ var ShellMagnifier = class ShellMagnifier {
         if (proxyAndZoomRegion && proxyAndZoomRegion.zoomRegion) {
             Main.magnifier.addZoomRegion(proxyAndZoomRegion.zoomRegion);
             return true;
-        }
-        else
+        } else {
             return false;
+        }
     }
 
     /**
@@ -179,74 +179,74 @@ var ShellMagnifier = class ShellMagnifier {
      * Set the crosswire size of all ZoomRegions.
      * @size:   The thickness of each line in the cross wire.
      */
-     setCrosswireSize(size) {
+    setCrosswireSize(size) {
         Main.magnifier.setCrosshairsThickness(size);
-     }
+    }
 
     /**
      * getCrosswireSize:
      * Get the crosswire size of all ZoomRegions.
      * @return:   The thickness of each line in the cross wire.
      */
-     getCrosswireSize() {
+    getCrosswireSize() {
         return Main.magnifier.getCrosshairsThickness();
-     }
+    }
 
     /**
      * setCrosswireLength:
      * Set the crosswire length of all zoom-regions..
      * @size:   The length of each line in the cross wire.
      */
-     setCrosswireLength(length) {
+    setCrosswireLength(length) {
         Main.magnifier.setCrosshairsLength(length);
-     }
+    }
 
     /**
      * setCrosswireSize:
      * Set the crosswire size of all zoom-regions.
      * @size:   The thickness of each line in the cross wire.
      */
-     getCrosswireLength() {
+    getCrosswireLength() {
         return Main.magnifier.getCrosshairsLength();
-     }
+    }
 
     /**
      * setCrosswireClip:
      * Set if the crosswire will be clipped by the cursor image..
      * @clip:   Flag to indicate whether to clip the crosswire.
      */
-     setCrosswireClip(clip) {
+    setCrosswireClip(clip) {
         Main.magnifier.setCrosshairsClip(clip);
-     }
+    }
 
     /**
      * getCrosswireClip:
      * Get the crosswire clip value.
      * @return:   Whether the crosswire is clipped by the cursor image.
      */
-     getCrosswireClip() {
+    getCrosswireClip() {
         return Main.magnifier.getCrosshairsClip();
-     }
+    }
 
     /**
      * setCrosswireColor:
      * Set the crosswire color of all ZoomRegions.
      * @color:   Unsigned int of the form rrggbbaa.
      */
-     setCrosswireColor(color) {
+    setCrosswireColor(color) {
         Main.magnifier.setCrosshairsColor('#%08x'.format(color));
-     }
+    }
 
     /**
      * getCrosswireClip:
      * Get the crosswire color of all ZoomRegions.
      * @return:   The crosswire color as an unsigned int in the form rrggbbaa.
      */
-     getCrosswireColor() {
+    getCrosswireColor() {
         let colorString = Main.magnifier.getCrosshairsColor();
         // Drop the leading '#'.
         return parseInt(colorString.slice(1), 16);
-     }
+    }
 };
 
 /**

js/ui/main.js

@@ -1,6 +1,6 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
-const { Clutter, Gio, GLib, Meta, Shell, St } = imports.gi;
+const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
 const Mainloop = imports.mainloop;
 
 const AccessDialog = imports.ui.accessDialog;
@@ -37,9 +37,12 @@ const WindowManager = imports.ui.windowManager;
 const Magnifier = imports.ui.magnifier;
 const XdndHandler = imports.ui.xdndHandler;
 const KbdA11yDialog = imports.ui.kbdA11yDialog;
+const LocatePointer = imports.ui.locatePointer;
+const PointerA11yTimeout = imports.ui.pointerA11yTimeout;
 
 const A11Y_SCHEMA = 'org.gnome.desktop.a11y.keyboard';
 const STICKY_KEYS_ENABLE = 'stickykeys-enable';
+const LOG_DOMAIN = 'GNOME Shell';
 const GNOMESHELL_STARTED_MESSAGE_ID = 'f3ea493c22934e26811cd62abe8e203a';
 
 var componentManager = null;
@@ -74,6 +77,7 @@ var layoutManager = null;
 var kbdA11yDialog = null;
 var inputMethod = null;
 var introspectService = null;
+var locatePointer = null;
 let _startDate;
 let _defaultCssStylesheet = null;
 let _cssStylesheet = null;
@@ -92,6 +96,8 @@ function _sessionUpdated() {
     wm.allowKeybinding('overlay-key', Shell.ActionMode.NORMAL |
                                       Shell.ActionMode.OVERVIEW);
 
+    wm.allowKeybinding('locate-pointer-key', Shell.ActionMode.ALL);
+
     wm.setCustomKeybindingHandler('panel-run-dialog',
                                   Shell.ActionMode.NORMAL |
                                   Shell.ActionMode.OVERVIEW,
@@ -133,12 +139,12 @@ function start() {
 
 function _initializeUI() {
     // Ensure ShellWindowTracker and ShellAppUsage are initialized; this will
-    // also initialize ShellAppSystem first.  ShellAppSystem
+    // also initialize ShellAppSystem first. ShellAppSystem
     // needs to load all the .desktop files, and ShellWindowTracker
-    // will use those to associate with windows.  Right now
+    // will use those to associate with windows. Right now
     // the Monitor doesn't listen for installed app changes
     // and recalculate application associations, so to avoid
-    // races for now we initialize it here.  It's better to
+    // races for now we initialize it here. It's better to
     // be predictable anyways.
     Shell.WindowTracker.get_default();
     Shell.AppUsage.get_default();
@@ -150,8 +156,8 @@ function _initializeUI() {
     // Setup the stage hierarchy early
     layoutManager = new Layout.LayoutManager();
 
-    // Various parts of the codebase still refers to Main.uiGroup
-    // instead using the layoutManager.  This keeps that code
+    // Various parts of the codebase still refer to Main.uiGroup
+    // instead of using the layoutManager. This keeps that code
     // working until it's updated.
     uiGroup = layoutManager.uiGroup;
 
@@ -165,6 +171,8 @@ function _initializeUI() {
     kbdA11yDialog = new KbdA11yDialog.KbdA11yDialog();
     wm = new WindowManager.WindowManager();
     magnifier = new Magnifier.Magnifier();
+    locatePointer = new LocatePointer.LocatePointer();
+
     if (LoginManager.canLock())
         screenShield = new ScreenShield.ScreenShield();
 
@@ -183,6 +191,8 @@ function _initializeUI() {
     layoutManager.init();
     overview.init();
 
+    (new PointerA11yTimeout.PointerA11yTimeout());
+
     _a11ySettings = new Gio.Settings({ schema_id: A11Y_SCHEMA });
 
     global.display.connect('overlay-key', () => {
@@ -190,6 +200,10 @@ function _initializeUI() {
             overview.toggle();
     });
 
+    global.connect('locate-pointer', () => {
+        locatePointer.show();
+    });
+
     global.display.connect('show-restart-message', (display, message) => {
         showRestartMessage(message);
         return true;
@@ -211,13 +225,6 @@ function _initializeUI() {
 
     _startDate = new Date();
 
-    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);
-    }
-
     ExtensionDownloader.init();
     ExtensionSystem.init();
 
@@ -236,8 +243,19 @@ function _initializeUI() {
         }
         if (sessionMode.currentMode != 'gdm' &&
             sessionMode.currentMode != 'initial-setup') {
-            Shell.Global.log_structured('GNOME Shell started at ' + _startDate,
-                                        ['MESSAGE_ID=' + GNOMESHELL_STARTED_MESSAGE_ID]);
+            GLib.log_structured(LOG_DOMAIN, GLib.LogLevelFlags.LEVEL_MESSAGE, {
+                'MESSAGE': `GNOME Shell started at ${_startDate}`,
+                'MESSAGE_ID': GNOMESHELL_STARTED_MESSAGE_ID
+            });
+        }
+
+        LoginManager.registerSessionWithGDM();
+
+        let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
+        if (perfModuleName) {
+            let perfOutput = GLib.getenv("SHELL_PERF_OUTPUT");
+            let module = eval(`imports.perf.${perfModuleName};`);
+            Scripting.runPerfScript(module, perfOutput);
         }
     });
 }
@@ -303,7 +321,7 @@ function getThemeStylesheet() {
 /**
  * setThemeStylesheet:
  * @cssStylesheet: A file path that contains the theme CSS,
- *                  set it to null to use the default
+ *                 set it to null to use the default
  *
  * Set the theme CSS file that the shell will load
  */
@@ -372,9 +390,9 @@ function notify(msg, details) {
 function notifyError(msg, details) {
     // Also print to stderr so it's logged somewhere
     if (details)
-        log('error: ' + msg + ': ' + details);
+        log(`error: ${msg}: ${details}`);
     else
-        log('error: ' + msg);
+        log(`error: ${msg}`);
 
     notify(msg, details);
 }
@@ -403,15 +421,15 @@ function _findModal(actor) {
  *
  * @params may be used to provide the following parameters:
  *  - timestamp: used to associate the call with a specific user initiated
- *               event.  If not provided then the value of
+ *               event. If not provided then the value of
  *               global.get_current_time() is assumed.
  *
  *  - options: Meta.ModalOptions flags to indicate that the pointer is
  *             already grabbed
  *
  *  - actionMode: used to set the current Shell.ActionMode to filter
- *                    global keybindings; the default of NONE will filter
- *                    out all keybindings
+ *                global keybindings; the default of NONE will filter
+ *                out all keybindings
  *
  * Returns: true iff we successfully acquired a grab or already had one
  */
@@ -457,15 +475,15 @@ function pushModal(actor, params) {
 
 /**
  * popModal:
- * @actor: #ClutterActor passed to original invocation of pushModal().
+ * @actor: #ClutterActor passed to original invocation of pushModal()
  * @timestamp: optional timestamp
  *
- * Reverse the effect of pushModal().  If this invocation is undoing
+ * 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
+ * initiated event. If not provided then the value of
  * global.get_current_time() is assumed.
  */
 function popModal(actor, timestamp) {
@@ -627,7 +645,7 @@ function _queueBeforeRedraw(workId) {
  *
  * This function sets up a callback to be invoked when either the
  * given actor is mapped, or after some period of time when the machine
- * is idle.  This is useful if your actor isn't always visible on the
+ * is idle. This is useful if your actor isn't always visible on the
  * screen (for example, all actors in the overview), and you don't want
  * to consume resources updating if the actor isn't actually going to be
  * displaying to the user.
@@ -636,15 +654,15 @@ function _queueBeforeRedraw(workId) {
  * initialization as well, under the assumption that new actors
  * will need it.
  *
- * Returns: A string work identifer
+ * Returns: A string work identifier
  */
 function initializeDeferredWork(actor, callback, props) {
     // Turn into a string so we can use as an object property
-    let workId = '' + (++_deferredWorkSequence);
+    let workId = `${(++_deferredWorkSequence)}`;
     _deferredWorkData[workId] = { 'actor': actor,
                                   'callback': callback };
     actor.connect('notify::mapped', () => {
-        if (!(actor.mapped && _deferredWorkQueue.indexOf(workId) >= 0))
+        if (!(actor.mapped && _deferredWorkQueue.includes(workId)))
             return;
         _queueBeforeRedraw(workId);
     });
@@ -663,7 +681,7 @@ function initializeDeferredWork(actor, callback, props) {
  * @workId: work identifier
  *
  * Ensure that the work identified by @workId will be
- * run on map or timeout.  You should call this function
+ * run on map or timeout. You should call this function
  * for example when data being displayed by the actor has
  * changed.
  */
@@ -674,7 +692,7 @@ function queueDeferredWork(workId) {
         logError(new Error(message), message);
         return;
     }
-    if (_deferredWorkQueue.indexOf(workId) < 0)
+    if (!_deferredWorkQueue.includes(workId))
         _deferredWorkQueue.push(workId);
     if (data.actor.mapped) {
         _queueBeforeRedraw(workId);
@@ -689,12 +707,13 @@ function queueDeferredWork(workId) {
     }
 }
 
-var RestartMessage = class extends ModalDialog.ModalDialog {
-    constructor(message) {
-        super({ shellReactive: true,
-                styleClass: 'restart-message headline',
-                shouldFadeIn: false,
-                destroyOnClose: true });
+var RestartMessage = GObject.registerClass(
+class RestartMessage extends ModalDialog.ModalDialog {
+    _init(message) {
+        super._init({ shellReactive: true,
+                      styleClass: 'restart-message headline',
+                      shouldFadeIn: false,
+                      destroyOnClose: true });
 
         let label = new St.Label({ text: message });
 
@@ -704,7 +723,7 @@ var RestartMessage = class extends ModalDialog.ModalDialog {
                                         y_align: St.Align.MIDDLE });
         this.buttonLayout.hide();
     }
-};
+});
 
 function showRestartMessage(message) {
     let restartMessage = new RestartMessage(message);

js/ui/messageList.js

@@ -72,7 +72,7 @@ var URLHighlighter = class URLHighlighter {
             let urlId = this._findUrlAtPos(event);
             if (urlId != -1) {
                 let url = this._urls[urlId].url;
-                if (url.indexOf(':') == -1)
+                if (!url.includes(':'))
                     url = 'http://' + url;
 
                 Gio.app_info_launch_default_for_uri(url, global.create_app_launch_context(0, -1));
@@ -135,18 +135,18 @@ var URLHighlighter = class URLHighlighter {
         let success;
         let [x, y] = event.get_coords();
         [success, x, y] = this.actor.transform_stage_point(x, y);
-        let find_pos = -1;
+        let findPos = -1;
         for (let i = 0; i < this.actor.clutter_text.text.length; i++) {
-            let [success, px, py, line_height] = this.actor.clutter_text.position_to_coords(i);
-            if (py > y || py + line_height < y || x < px)
+            let [success, px, py, lineHeight] = this.actor.clutter_text.position_to_coords(i);
+            if (py > y || py + lineHeight < y || x < px)
                 continue;
-            find_pos = i;
+            findPos = i;
         }
-        if (find_pos != -1) {
+        if (findPos != -1) {
             for (let i = 0; i < this._urls.length; i++)
-            if (find_pos >= this._urls[i].pos &&
-                this._urls[i].pos + this._urls[i].url.length > find_pos)
-                return i;
+                if (findPos >= this._urls[i].pos &&
+                    this._urls[i].pos + this._urls[i].url.length > findPos)
+                    return i;
         }
         return -1;
     }
@@ -197,12 +197,14 @@ class ScaleLayout extends Clutter.BinLayout {
 });
 
 var LabelExpanderLayout = GObject.registerClass({
-    Properties: { 'expansion': GObject.ParamSpec.double('expansion',
-                                                        'Expansion',
-                                                        'Expansion of the layout, between 0 (collapsed) ' +
-                                                        'and 1 (fully expanded',
-                                                         GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
-                                                         0, 1, 0)},
+    Properties: {
+        'expansion': GObject.ParamSpec.double('expansion',
+                                              'Expansion',
+                                              'Expansion of the layout, between 0 (collapsed) ' +
+                                              'and 1 (fully expanded',
+                                              GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
+                                              0, 1, 0)
+    },
 }, class LabelExpanderLayout extends Clutter.LayoutManager {
     _init(params) {
         this._expansion = 0;
@@ -467,11 +469,10 @@ var Message = class Message {
                              { scale_y: 0,
                                time: MessageTray.ANIMATION_TIME,
                                transition: 'easeOutQuad',
-                               onCompleteScope: this,
-                               onComplete() {
+                               onComplete: () => {
                                    this._actionBin.hide();
                                    this.expanded = false;
-                               }});
+                               } });
         } else {
             this._bodyStack.layout_manager.expansion = 0;
             this._actionBin.scale_y = 0;
@@ -626,7 +627,7 @@ var MessageListSection = class MessageListSection {
                                               onComplete() {
                                                   obj.container.destroy();
                                                   global.sync_pointer();
-                                              }});
+                                              } });
         } else {
             obj.container.destroy();
             global.sync_pointer();
@@ -656,7 +657,7 @@ var MessageListSection = class MessageListSection {
                                    transition: 'easeOutQuad',
                                    onComplete() {
                                        message.close();
-                                   }});
+                                   } });
             }
         }
     }

js/ui/messageTray.js

@@ -218,17 +218,17 @@ class NotificationApplicationPolicy extends NotificationPolicy {
 
         this._masterSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.notifications' });
         this._settings = new Gio.Settings({ schema_id: 'org.gnome.desktop.notifications.application',
-                                            path: '/org/gnome/desktop/notifications/application/' + this._canonicalId + '/' });
+                                            path: `/org/gnome/desktop/notifications/application/${this._canonicalId}/` });
 
         this._masterSettings.connect('changed', this._changed.bind(this));
         this._settings.connect('changed', this._changed.bind(this));
     }
 
     store() {
-        this._settings.set_string('application-id', this.id + '.desktop');
+        this._settings.set_string('application-id', `${this.id}.desktop`);
 
         let apps = this._masterSettings.get_strv('application-children');
-        if (apps.indexOf(this._canonicalId) < 0) {
+        if (!apps.includes(this._canonicalId)) {
             apps.push(this._canonicalId);
             this._masterSettings.set_strv('application-children', apps);
         }
@@ -248,7 +248,7 @@ class NotificationApplicationPolicy extends NotificationPolicy {
     _canonicalizeId(id) {
         // Keys are restricted to lowercase alphanumeric characters and dash,
         // and two dashes cannot be in succession
-        return id.toLowerCase().replace(/[^a-z0-9\-]/g, '-').replace(/--+/g, '-');
+        return id.toLowerCase().replace(/[^a-z0-9-]/g, '-').replace(/--+/g, '-');
     }
 
     get enable() {
@@ -584,18 +584,17 @@ class SourceActor extends St.Widget {
         this._source = source;
         this._size = size;
 
-        this.actor = this;
         this.connect('destroy', () => {
             this._source.disconnect(this._iconUpdatedId);
             this._actorDestroyed = true;
         });
         this._actorDestroyed = false;
 
-        let scale_factor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
+        let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
         this._iconBin = new St.Bin({ x_fill: true,
                                      x_expand: true,
-                                     height: size * scale_factor,
-                                     width: size * scale_factor });
+                                     height: size * scaleFactor,
+                                     width: size * scaleFactor });
 
         this.add_actor(this._iconBin);
 
@@ -773,7 +772,7 @@ var Source = class Source {
     }
 
     pushNotification(notification) {
-        if (this.notifications.indexOf(notification) >= 0)
+        if (this.notifications.includes(notification))
             return;
 
         while (this.notifications.length >= MAX_NOTIFICATIONS_PER_SOURCE)
@@ -989,7 +988,7 @@ var MessageTray = class MessageTray {
 
     add(source) {
         if (this.contains(source)) {
-            log('Trying to re-add source ' + source.title);
+            log(`Trying to re-add source ${source.title}`);
             return;
         }
 
@@ -1070,7 +1069,7 @@ var MessageTray = class MessageTray {
             // If a new notification is updated while it is being hidden,
             // we stop hiding it and show it again.
             this._updateShowingNotification();
-        } else if (this._notificationQueue.indexOf(notification) < 0) {
+        } else if (!this._notificationQueue.includes(notification)) {
             // If the queue is "full", we skip banner mode and just show a small
             // indicator in the panel; however do make an exception for CRITICAL
             // notifications, as only banner mode allows expansion.
@@ -1168,7 +1167,7 @@ var MessageTray = class MessageTray {
             x > this._notificationLeftMouseX - MOUSE_LEFT_ACTOR_THRESHOLD) {
             this._notificationLeftMouseX = -1;
             this._notificationLeftTimeoutId = Mainloop.timeout_add(LONGER_HIDE_TIMEOUT * 1000,
-                                                             this._onNotificationLeftTimeout.bind(this));
+                                                                   this._onNotificationLeftTimeout.bind(this));
             GLib.Source.set_name_by_id(this._notificationLeftTimeoutId, '[gnome-shell] this._onNotificationLeftTimeout');
         } else {
             this._notificationLeftTimeoutId = 0;

js/ui/modalDialog.js

@@ -1,7 +1,6 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
-const { Atk, Clutter, Shell, St } = imports.gi;
-const Signals = imports.signals;
+const { Atk, Clutter, GObject, Shell, St } = imports.gi;
 
 const Dialog = imports.ui.dialog;
 const Layout = imports.ui.layout;
@@ -21,8 +20,22 @@ var State = {
     FADED_OUT: 4
 };
 
-var ModalDialog = class {
-    constructor(params) {
+var ModalDialog = GObject.registerClass({
+    Properties: {
+        'state': GObject.ParamSpec.int('state', 'Dialog state', 'state',
+                                       GObject.ParamFlags.READABLE,
+                                       Math.min(...Object.values(State)),
+                                       Math.max(...Object.values(State)),
+                                       State.CLOSED)
+    },
+    Signals: { 'opened': {}, 'closed': {} }
+}, class ModalDialog extends St.Widget {
+    _init(params) {
+        super._init({ visible: false,
+                      x: 0,
+                      y: 0,
+                      accessible_role: Atk.Role.DIALOG });
+
         params = Params.parse(params, { shellReactive: false,
                                         styleClass: null,
                                         actionMode: Shell.ActionMode.SYSTEM_MODAL,
@@ -30,7 +43,7 @@ var ModalDialog = class {
                                         shouldFadeOut: true,
                                         destroyOnClose: true });
 
-        this.state = State.CLOSED;
+        this._state = State.CLOSED;
         this._hasModal = false;
         this._actionMode = params.actionMode;
         this._shellReactive = params.shellReactive;
@@ -38,31 +51,25 @@ var ModalDialog = class {
         this._shouldFadeOut = params.shouldFadeOut;
         this._destroyOnClose = params.destroyOnClose;
 
-        this._group = new St.Widget({ visible: false,
-                                      x: 0,
-                                      y: 0,
-                                      accessible_role: Atk.Role.DIALOG });
-        Main.layoutManager.modalDialogGroup.add_actor(this._group);
+        Main.layoutManager.modalDialogGroup.add_actor(this);
 
         let constraint = new Clutter.BindConstraint({ source: global.stage,
                                                       coordinate: Clutter.BindCoordinate.ALL });
-        this._group.add_constraint(constraint);
-
-        this._group.connect('destroy', this._onGroupDestroy.bind(this));
+        this.add_constraint(constraint);
 
         this.backgroundStack = new St.Widget({ layout_manager: new Clutter.BinLayout() });
         this._backgroundBin = new St.Bin({ child: this.backgroundStack,
                                            x_fill: true, y_fill: true });
         this._monitorConstraint = new Layout.MonitorConstraint();
         this._backgroundBin.add_constraint(this._monitorConstraint);
-        this._group.add_actor(this._backgroundBin);
+        this.add_actor(this._backgroundBin);
 
         this.dialogLayout = new Dialog.Dialog(this.backgroundStack, params.styleClass);
         this.contentLayout = this.dialogLayout.contentLayout;
         this.buttonLayout = this.dialogLayout.buttonLayout;
 
         if (!this._shellReactive) {
-            this._lightbox = new Lightbox.Lightbox(this._group,
+            this._lightbox = new Lightbox.Lightbox(this,
                                                    { inhibitEvents: true,
                                                      radialEffect: true });
             this._lightbox.highlight(this._backgroundBin);
@@ -77,8 +84,16 @@ var ModalDialog = class {
         this._savedKeyFocus = null;
     }
 
-    destroy() {
-        this._group.destroy();
+    get state() {
+        return this._state;
+    }
+
+    _setState(state) {
+        if (this._state == state)
+            return;
+
+        this._state = state;
+        this.notify('state');
     }
 
     clearButtons() {
@@ -96,29 +111,25 @@ var ModalDialog = class {
         return this.dialogLayout.addButton(buttonInfo);
     }
 
-    _onGroupDestroy() {
-        this.emit('destroy');
-    }
-
     _fadeOpen(onPrimary) {
         if (onPrimary)
             this._monitorConstraint.primary = true;
         else
             this._monitorConstraint.index = global.display.get_current_monitor();
 
-        this.state = State.OPENING;
+        this._setState(State.OPENING);
 
         this.dialogLayout.opacity = 255;
         if (this._lightbox)
             this._lightbox.show();
-        this._group.opacity = 0;
-        this._group.show();
-        Tweener.addTween(this._group,
+        this.opacity = 0;
+        this.show();
+        Tweener.addTween(this,
                          { opacity: 255,
                            time: this._shouldFadeIn ? OPEN_AND_CLOSE_TIME : 0,
                            transition: 'easeOutQuad',
                            onComplete: () => {
-                               this.state = State.OPENED;
+                               this._setState(State.OPENED);
                                this.emit('opened');
                            }
                          });
@@ -148,8 +159,8 @@ var ModalDialog = class {
     }
 
     _closeComplete() {
-        this.state = State.CLOSED;
-        this._group.hide();
+        this._setState(State.CLOSED);
+        this.hide();
         this.emit('closed');
 
         if (this._destroyOnClose)
@@ -160,17 +171,17 @@ var ModalDialog = class {
         if (this.state == State.CLOSED || this.state == State.CLOSING)
             return;
 
-        this.state = State.CLOSING;
+        this._setState(State.CLOSING);
         this.popModal(timestamp);
         this._savedKeyFocus = null;
 
         if (this._shouldFadeOut)
-            Tweener.addTween(this._group,
+            Tweener.addTween(this,
                              { opacity: 0,
                                time: OPEN_AND_CLOSE_TIME,
                                transition: 'easeOutQuad',
                                onComplete: this._closeComplete.bind(this)
-                             })
+                             });
         else
             this._closeComplete();
     }
@@ -183,11 +194,11 @@ var ModalDialog = class {
             return;
 
         let focus = global.stage.key_focus;
-        if (focus && this._group.contains(focus))
+        if (focus && this.contains(focus))
             this._savedKeyFocus = focus;
         else
             this._savedKeyFocus = null;
-        Main.popModal(this._group, timestamp);
+        Main.popModal(this, timestamp);
         this._hasModal = false;
 
         if (!this._shellReactive)
@@ -201,7 +212,7 @@ var ModalDialog = class {
         let params = { actionMode: this._actionMode };
         if (timestamp)
             params['timestamp'] = timestamp;
-        if (!Main.pushModal(this._group, params))
+        if (!Main.pushModal(this, params))
             return false;
 
         this._hasModal = true;
@@ -224,10 +235,10 @@ var ModalDialog = class {
     // 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
+    // that the dialog response 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
+    // immediately, but the lightbox should remain until the logout is
     // complete.
     _fadeOutDialog(timestamp) {
         if (this.state == State.CLOSED || this.state == State.CLOSING)
@@ -239,12 +250,11 @@ var ModalDialog = class {
         this.popModal(timestamp);
         Tweener.addTween(this.dialogLayout,
                          { opacity: 0,
-                           time:    FADE_OUT_DIALOG_TIME,
+                           time: FADE_OUT_DIALOG_TIME,
                            transition: 'easeOutQuad',
                            onComplete: () => {
-                               this.state = State.FADED_OUT;
+                               this._setState(State.FADED_OUT);
                            }
                          });
     }
-};
-Signals.addSignalMethods(ModalDialog.prototype);
+});

js/ui/mpris.js

@@ -135,7 +135,7 @@ var MprisPlayer = class MprisPlayer {
         // so prefer activating the app via .desktop file if possible
         let app = null;
         if (this._mprisProxy.DesktopEntry) {
-            let desktopId = this._mprisProxy.DesktopEntry + '.desktop';
+            let desktopId = `${this._mprisProxy.DesktopEntry}.desktop`;
             app = Shell.AppSystem.get_default().lookup_app(desktopId);
         }
 

js/ui/notificationDaemon.js

@@ -76,13 +76,13 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
     _fallbackIconForNotificationData(hints) {
         let stockIcon;
         switch (hints.urgency) {
-            case Urgency.LOW:
-            case Urgency.NORMAL:
-                stockIcon = 'dialog-information';
-                break;
-            case Urgency.CRITICAL:
-                stockIcon = 'dialog-error';
-                break;
+        case Urgency.LOW:
+        case Urgency.NORMAL:
+            stockIcon = 'dialog-information';
+            break;
+        case Urgency.CRITICAL:
+            stockIcon = 'dialog-error';
+            break;
         }
         return new Gio.ThemedIcon({ name: stockIcon });
     }
@@ -170,11 +170,11 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
             // Ignore replacesId since we already sent back a
             // NotificationClosed for that id.
             id = this._nextNotificationId++;
-            let idle_id = Mainloop.idle_add(() => {
+            let idleId = Mainloop.idle_add(() => {
                 this._emitNotificationClosed(id, NotificationClosedReason.DISMISSED);
                 return GLib.SOURCE_REMOVE;
             });
-            GLib.Source.set_name_by_id(idle_id, '[gnome-shell] this._emitNotificationClosed');
+            GLib.Source.set_name_by_id(idleId, '[gnome-shell] this._emitNotificationClosed');
             return invocation.return_value(GLib.Variant.new('(u)', [id]));
         }
 
@@ -231,7 +231,7 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
             // There's already a pending call to GetConnectionUnixProcessID,
             // which will see the new notification data when it finishes,
             // so we don't have to do anything.
-            return invocation.return_value(GLib.Variant.new('(u)', [id]));;
+            return invocation.return_value(GLib.Variant.new('(u)', [id]));
         }
 
         this._busProxy.GetConnectionUnixProcessIDRemote(sender, (result, excp) => {
@@ -270,15 +270,15 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
                 delete this._notifications[ndata.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;
+                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(ndata.id, notificationClosedReason);
             });
@@ -309,7 +309,7 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
 
         if (actions.length) {
             for (let i = 0; i < actions.length - 1; i += 2) {
-                let [actionId, label] = [actions[i], actions[i+1]];
+                let [actionId, label] = [actions[i], actions[i + 1]];
                 if (actionId == 'default')
                     hasDefaultAction = true;
                 else
@@ -330,15 +330,15 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
         }
 
         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;
+        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);
         // 'transient' is a reserved keyword in JS, so we have to retrieve the value
@@ -437,7 +437,7 @@ class FdoNotificationDaemonSource extends MessageTray.Source {
 
     _createPolicy() {
         if (this.app && this.app.get_app_info()) {
-            let id = this.app.get_id().replace(/\.desktop$/,'');
+            let id = this.app.get_id().replace(/\.desktop$/, '');
             return new MessageTray.NotificationApplicationPolicy(id);
         } else {
             return new MessageTray.NotificationGenericPolicy();
@@ -474,7 +474,7 @@ class FdoNotificationDaemonSource extends MessageTray.Source {
             return app;
 
         if (appId) {
-            app = Shell.AppSystem.get_default().lookup_app(appId + '.desktop');
+            app = Shell.AppSystem.get_default().lookup_app(`${appId}.desktop`);
             if (app != null)
                 return app;
         }
@@ -573,7 +573,7 @@ class GtkNotificationDaemonNotification extends MessageTray.Notification {
 
         this.update(title.unpack(), body ? body.unpack() : null,
                     { gicon: gicon ? Gio.icon_deserialize(gicon) : null,
-                      datetime : time ? GLib.DateTime.new_from_unix_local(time.unpack()) : null });
+                      datetime: time ? GLib.DateTime.new_from_unix_local(time.unpack()) : null });
     }
 
     _activateAction(namespacedActionId, target) {
@@ -610,7 +610,7 @@ function objectPathFromAppId(appId) {
 }
 
 function getPlatformData() {
-    let startupId = GLib.Variant.new('s', '_TIME' + global.get_current_time());
+    let startupId = GLib.Variant.new('s', `_TIME${global.get_current_time()}`);
     return { "desktop-startup-id": startupId };
 }
 
@@ -623,7 +623,7 @@ class GtkNotificationDaemonAppSource extends MessageTray.Source {
         if (!GLib.Variant.is_object_path(objectPath))
             throw new InvalidAppError();
 
-        let app = Shell.AppSystem.get_default().lookup_app(appId + '.desktop');
+        let app = Shell.AppSystem.get_default().lookup_app(`${appId}.desktop`);
         if (!app)
             throw new InvalidAppError();
 
@@ -759,7 +759,7 @@ var GtkNotificationDaemon = class GtkNotificationDaemon {
                 let source;
                 try {
                     source = this._ensureAppSource(appId);
-                } catch(e) {
+                } catch (e) {
                     if (e instanceof InvalidAppError)
                         return;
                     throw e;
@@ -793,7 +793,7 @@ var GtkNotificationDaemon = class GtkNotificationDaemon {
         let source;
         try {
             source = this._ensureAppSource(appId);
-        } catch(e) {
+        } catch (e) {
             if (e instanceof InvalidAppError) {
                 invocation.return_dbus_error('org.gtk.Notifications.InvalidApp', 'The app by ID "%s" could not be found'.format(appId));
                 return;