shell-app: Add discrete GPU support for NVidia drivers

Add the necessary environment variables that would make offloading to
the NVidia "secondary" drivers work as expected.

Closes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/1810

.gitlab-ci/run-eslint.sh

@@ -16,8 +16,14 @@ run_eslint() {
   ARGS_LEGACY='--config lint/eslintrc-legacy.json'
 
   local extra_args=ARGS_$1
-  local output=OUTPUT_$1
-  eslint -f unix ${!extra_args} -o ${!output} js
+  local output_var=OUTPUT_$1
+  local output=${!output_var}
+
+  # ensure output exists even if eslint doesn't report any errors
+  mkdir -p $(dirname $output)
+  touch $output
+
+  eslint -f unix ${!extra_args} -o $output js
 }
 
 list_commit_range_additions() {
@@ -70,10 +76,13 @@ create_common() {
 # non-legacy style just yet ...
 unset CI_MERGE_REQUEST_TARGET_BRANCH_NAME
 
-if [ "$CI_MERGE_REQUEST_TARGET_BRANCH_NAME" ]; then
-  git fetch $CI_MERGE_REQUEST_PROJECT_URL.git $CI_MERGE_REQUEST_TARGET_BRANCH_NAME
+REMOTE=${1:-$CI_MERGE_REQUEST_PROJECT_URL.git}
+BRANCH_NAME=${2:-$CI_MERGE_REQUEST_TARGET_BRANCH_NAME}
+
+if [ "$BRANCH_NAME" ]; then
+  git fetch $REMOTE $BRANCH_NAME
   branch_point=$(git merge-base HEAD FETCH_HEAD)
-  commit_range=$branch_point...$CI_COMMIT_SHA
+  commit_range=$branch_point...HEAD
 
   list_commit_range_additions $commit_range > $LINE_CHANGES
 
@@ -96,7 +105,7 @@ if ! is_empty $OUTPUT_FINAL; then
 fi
 
 # Just show the report and succeed when not testing a MR
-if [ -z "$CI_MERGE_REQUEST_TARGET_BRANCH_NAME" ]; then
+if [ -z "$BRANCH_NAME" ]; then
   exit 0
 fi
 

HACKING.md

@@ -186,15 +186,27 @@ and "double quotes" for strings that the user may see. This allows us to
 quickly find untranslated or mistranslated strings by grepping through the
 sources for double quotes without a gettext call around them.
 
-## `actor` and `_delegate`
+## `actor` (deprecated) and `_delegate`
 
 gjs allows us to set so-called "expando properties" on introspected objects,
 allowing us to treat them like any other. Because the Shell was built before
-you could inherit from GTypes natively in JS, we usually have a wrapper class
-that has a property called `actor`. We call this wrapper class the "delegate".
+you could inherit from GTypes natively in JS, in some cases we have a wrapper
+class that has a property called `actor` (now deprecated). We call this
+wrapper class the "delegate".
 
 We sometimes use expando properties to set a property called `_delegate` on
 the actor itself:
+```javascript
+    var MyActor = GObject.registerClass(
+    class MyActor extends Clutter.Actor {
+        _init(params) {
+            super._init(params);
+            this._delegate = this;
+        }
+    });
+```
+
+Or using the deprecated `actor`:
 ```javascript
     var MyClass = class {
         constructor() {
@@ -215,6 +227,7 @@ delegate object from an associated actor. For instance, the drag and drop
 system calls the `handleDragOver` function on the delegate of a "drop target"
 when the user drags an item over it. If you do not set the `_delegate`
 property, your actor will not be able to be dropped onto.
+In case the class is an actor itself, the `_delegate` can be just set to `this`.
 
 ## Functional style
 

NEWS

@@ -1,3 +1,51 @@
+3.35.1
+======
+* Misc. bug fixes and cleanups [Marco; Matthias; !758, #701212]
+
+Contributors:
+  Marco Trevisan (Treviño)
+
+3.34.1
+======
+* Fix "Frequent" view icons disappearing on hover [Jonas D.; #1502]
+* Allow editing app folder names [Georges, Marco; !675, !720]
+* Skip property transitions while hidden [Florian; !708]
+* Make menu animations more consistent [Florian, GB_2; #1595, !717]
+* Improve performance when enabling/disabling all extensions [Jonas D.; !96]
+* Fix extra icons appearing in "Frequent" view animation [Georges; !696]
+* Fix fading out desktop icons [Harshula; #1616]
+* Fix box-shadow glitch with prerendered resources [Daniel; #1186]
+* Fix accidentally skipped animations [Florian; #1572]
+* Fix screenshots and window animations when scaled [Robert; !728]
+* Don't leak NOTIFY_SOCKET environment variable to applications [Benjamin; !741]
+* Fix lock-up on X11 when ibus is already running on startup [Marco; #1712]
+* Fix screen dimming on idle [Marco; #1683]
+* Do not notify systemd before initialization is complete [Iain; !750]
+* Support SAE secrets in network agent [Lubomir; !751]
+* Fix various regressions with dynamic workspaces [Florian; #1497]
+* Fixed crashes [Florian, Marco; #1678, !746]
+* Misc. bug fixes and cleanups [Marco, Jonas D., Florian, Iain, Georges,
+  Jonas Å., Martin, Takao, Carlos; !700, !705, !709, !711, !707, #1538, !710,
+  !713, !699, !715, !718, !716, !719, !721, #1243, !725, !731, #1614, !683,
+  !732, !121, !735, !736, !740, #573, #1641, #1571]
+
+Contributors:
+  Marco Trevisan (Treviño), Benjamin Berg, Jonas Dreßler, Takao Fujiwara, GB_2,
+  Carlos Garnacho, Harshula Jayasuriya, Iain Lane, Robert Mader,
+  Daniel García Moreno, Florian Müllner, Georges Basile Stavracas Neto,
+  Lubomir Rintel, Martin Zurowietz, Jonas Ådahl
+
+Translators:
+  Rafael Fontenelle [pt_BR], Fran Dieguez [gl], Balázs Úr [hu],
+  Milo Casagrande [it], Daniel Șerbănescu [ro], Kukuh Syafaat [id],
+  Jiri Grönroos [fi], Daniel Mustieles [es], Piotr Drąg [pl],
+  Anders Jonsson [sv], Marek Černocký [cs], Jordi Mas [ca],
+  Aurimas Černius [lt], Christian Kirbach [de], Emin Tufan Çetin [tr],
+  Enrico Nicoletto [pt_BR], Danial Behzadi [fa], Марко Костић [sr],
+  Alexandre Franke [fr], Charles Monzat [fr], Kjartan Maraas [nb],
+  Ryuta Fujii [ja], Nathan Follens [nl], Dušan Kazik [sk], Fabio Tomat [fur],
+  Matej Urbančič [sl], Ask Hjorth Larsen [da], Alan Mortensen [da]
+
 3.34.0
 ======
 * Handle startup/shutdown of misc X11 services [Carlos; !680]

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

@@ -50,7 +50,7 @@
       </description>
     </key>
     <key name="favorite-apps" type="as">
-      <default>[ 'epiphany.desktop', 'evolution.desktop', 'rhythmbox.desktop', 'shotwell.desktop', 'org.gnome.Nautilus.desktop', 'org.gnome.Software.desktop' ]</default>
+      <default>[ 'epiphany.desktop', 'evolution.desktop', 'rhythmbox.desktop', 'org.gnome.Shotwell.desktop', 'org.gnome.Nautilus.desktop', 'org.gnome.Software.desktop' ]</default>
       <summary>List of desktop file IDs for favorite applications</summary>
       <description>
         The applications corresponding to these identifiers

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

@@ -610,13 +610,12 @@ StScrollBar {
     border-bottom-style: solid;
   }
 
-
 // Rename popup
-
-.rename-folder-popup-box {
-  spacing: 6px;
-  margin-left: 12px;
-  margin-right: 12px;
+.rename-folder-popup {
+  .rename-folder-popup-item {
+    spacing: 6px;
+    &:ltr, &:rtl { padding: 0, 12px; }
+  }
 }
 
 // Background menu
@@ -750,7 +749,7 @@ StScrollBar {
 
   .ws-switcher-active-up, .ws-switcher-active-down,
   .ws-switcher-active-left, .ws-switcher-active-right {
-    height: 50px;
+    height: 52px;
     background-color: $selected_bg_color;
     color: $selected_fg_color;
     background-size: 32px;

gnome-shell.doap

@@ -31,34 +31,34 @@ its dependencies to build from tarballs.</description>
   <programming-language>JavaScript</programming-language>
   <programming-language>C</programming-language>
 
-  <maintainer>
+  <author>
     <foaf:Person>
       <foaf:name>William Jon McCann</foaf:name>
       <foaf:mbox rdf:resource="mailto:jmccann@redhat.com" />
       <gnome:userid>mccann</gnome:userid>
     </foaf:Person>
-  </maintainer>
-  <maintainer>
+  </author>
+  <author>
     <foaf:Person>
       <foaf:name>Owen Taylor</foaf:name>
       <foaf:mbox rdf:resource="mailto:otaylor@redhat.com" />
       <gnome:userid>otaylor</gnome:userid>
     </foaf:Person>
-  </maintainer>
-  <maintainer>
+  </author>
+  <author>
     <foaf:Person>
       <foaf:name>Colin Walters</foaf:name>
       <foaf:mbox rdf:resource="mailto:walters@verbum.org" />
       <gnome:userid>walters</gnome:userid>
     </foaf:Person>
-  </maintainer>
-  <maintainer>
+  </author>
+  <author>
     <foaf:Person>
       <foaf:name>Marina Zhurakhinskaya</foaf:name>
       <foaf:mbox rdf:resource="mailto:marinaz@redhat.com" />
       <gnome:userid>marinaz</gnome:userid>
     </foaf:Person>
-  </maintainer>
+  </author>
   <maintainer>
     <foaf:Person>
       <foaf:name>Florian Müllner</foaf:name>

js/extensionPrefs/main.js

@@ -285,8 +285,9 @@ var Application = GObject.registerClass({
                     log(`Failed to connect to shell proxy: ${e}`);
                     this._mainStack.add_named(new NoShellPlaceholder(), 'noshell');
                     this._mainStack.visible_child_name = 'noshell';
-                } else
+                } else {
                     throw e;
+                }
                 return;
             }
 

js/gdm/authPrompt.js

@@ -1,11 +1,12 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported AuthPrompt */
 
-const { Clutter, Pango, Shell, St } = imports.gi;
-const Signals = imports.signals;
+const { Clutter, GObject, Pango, Shell, St } = imports.gi;
 
 const Animation = imports.ui.animation;
 const Batch = imports.gdm.batch;
 const GdmUtil = imports.gdm.util;
+const Util = imports.misc.util;
 const Params = imports.misc.params;
 const ShellEntry = imports.ui.shellEntry;
 const UserWidget = imports.ui.userWidget;
@@ -16,6 +17,10 @@ var DEFAULT_BUTTON_WELL_ANIMATION_TIME = 300;
 
 var MESSAGE_FADE_OUT_ANIMATION_TIME = 500;
 
+const WIGGLE_OFFSET = 6;
+const WIGGLE_DURATION = 65;
+const N_WIGGLES = 3;
+
 var AuthPromptMode = {
     UNLOCK_ONLY: 0,
     UNLOCK_OR_LOG_IN: 1
@@ -33,8 +38,21 @@ var BeginRequestType = {
     DONT_PROVIDE_USERNAME: 1
 };
 
-var AuthPrompt = class {
-    constructor(gdmClient, mode) {
+var AuthPrompt = GObject.registerClass({
+    Signals: {
+        'cancelled': {},
+        'failed': {},
+        'next': {},
+        'prompted': {},
+        'reset': { param_types: [GObject.TYPE_UINT] },
+    }
+}, class AuthPrompt extends St.BoxLayout {
+    _init(gdmClient, mode) {
+        super._init({
+            style_class: 'login-dialog-prompt-layout',
+            vertical: true
+        });
+
         this.verificationStatus = AuthPromptStatus.NOT_VERIFYING;
 
         this._gdmClient = gdmClient;
@@ -67,38 +85,33 @@ var AuthPrompt = class {
             }
         });
 
-        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;
-        });
+        this.connect('destroy', this._onDestroy.bind(this));
 
-        this._userWell = new St.Bin({ x_fill: true,
-                                      x_align: St.Align.START });
-        this.actor.add(this._userWell,
-                       { x_align: St.Align.START,
-                         x_fill: true,
-                         y_fill: true,
-                         expand: true });
+        this._userWell = new St.Bin({ x_fill: true, x_align: St.Align.START });
+        this.add(this._userWell, {
+            x_align: St.Align.START,
+            x_fill: true,
+            y_fill: true,
+            expand: true
+        });
         this._label = new St.Label({ style_class: 'login-dialog-prompt-label' });
 
-        this.actor.add(this._label,
-                       { expand: true,
-                         x_fill: false,
-                         y_fill: true,
-                         x_align: St.Align.START });
+        this.add(this._label, {
+            expand: true,
+            x_fill: false,
+            y_fill: true,
+            x_align: St.Align.START
+        });
         this._entry = new St.Entry({ style_class: 'login-dialog-prompt-entry',
                                      can_focus: true });
         ShellEntry.addContextMenu(this._entry, { isPassword: true, actionMode: Shell.ActionMode.NONE });
 
-        this.actor.add(this._entry,
-                       { expand: true,
-                         x_fill: true,
-                         y_fill: false,
-                         x_align: St.Align.START });
+        this.add(this._entry, {
+            expand: true,
+            x_fill: true,
+            y_fill: false,
+            x_align: St.Align.START
+        });
 
         this._entry.grab_key_focus();
 
@@ -106,14 +119,15 @@ var AuthPrompt = class {
                                        styleClass: 'login-dialog-message' });
         this._message.clutter_text.line_wrap = true;
         this._message.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
-        this.actor.add(this._message, { x_fill: false, x_align: St.Align.START, y_align: St.Align.START });
+        this.add(this._message, { x_fill: false, x_align: St.Align.START, y_align: St.Align.START });
 
         this._buttonBox = new St.BoxLayout({ style_class: 'login-dialog-button-box',
                                              vertical: false });
-        this.actor.add(this._buttonBox,
-                       { expand: true,
-                         x_align: St.Align.MIDDLE,
-                         y_align: St.Align.END });
+        this.add(this._buttonBox, {
+            expand: true,
+            x_align: St.Align.MIDDLE,
+            y_align: St.Align.END
+        });
 
         this._defaultButtonWell = new St.Widget({ layout_manager: new Clutter.BinLayout() });
         this._defaultButtonWellActor = null;
@@ -121,9 +135,9 @@ var AuthPrompt = class {
         this._initButtons();
 
         this._spinner = new Animation.Spinner(DEFAULT_BUTTON_WELL_ICON_SIZE);
-        this._spinner.actor.opacity = 0;
-        this._spinner.actor.show();
-        this._defaultButtonWell.add_child(this._spinner.actor);
+        this._spinner.opacity = 0;
+        this._spinner.show();
+        this._defaultButtonWell.add_child(this._spinner);
     }
 
     _onDestroy() {
@@ -131,6 +145,12 @@ var AuthPrompt = class {
         this._userVerifier = null;
     }
 
+    vfunc_key_press_event(keyPressEvent) {
+        if (keyPressEvent.keyval == Clutter.KEY_Escape)
+            this.cancel();
+        return Clutter.EVENT_PROPAGATE;
+    }
+
     _initButtons() {
         this.cancelButton = new St.Button({ style_class: 'modal-dialog-button button',
                                             button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
@@ -241,6 +261,12 @@ var AuthPrompt = class {
         this.updateSensitivity(canRetry);
         this.setActorInDefaultButtonWell(null);
         this.verificationStatus = AuthPromptStatus.VERIFICATION_FAILED;
+
+        Util.wiggle(this._entry, {
+            offset: WIGGLE_OFFSET,
+            duration: WIGGLE_DURATION,
+            wiggleCount: N_WIGGLES,
+        });
     }
 
     _onVerificationComplete() {
@@ -269,13 +295,13 @@ var AuthPrompt = class {
             oldActor.remove_all_transitions();
 
         let wasSpinner;
-        if (oldActor == this._spinner.actor)
+        if (oldActor == this._spinner)
             wasSpinner = true;
         else
             wasSpinner = false;
 
         let isSpinner;
-        if (actor == this._spinner.actor)
+        if (actor == this._spinner)
             isSpinner = true;
         else
             isSpinner = false;
@@ -323,7 +349,7 @@ var AuthPrompt = class {
     }
 
     startSpinning() {
-        this.setActorInDefaultButtonWell(this._spinner.actor, true);
+        this.setActorInDefaultButtonWell(this._spinner, true);
     }
 
     stopSpinning() {
@@ -404,9 +430,9 @@ var AuthPrompt = class {
         this._entry.clutter_text.editable = sensitive;
     }
 
-    hide() {
+    vfunc_hide() {
         this.setActorInDefaultButtonWell(null, true);
-        this.actor.hide();
+        super.vfunc_hide();
         this._message.opacity = 0;
 
         this.setUser(null);
@@ -422,7 +448,7 @@ var AuthPrompt = class {
 
         if (user) {
             let userWidget = new UserWidget.UserWidget(user);
-            this._userWell.set_child(userWidget.actor);
+            this._userWell.set_child(userWidget);
         }
     }
 
@@ -507,5 +533,4 @@ var AuthPrompt = class {
         this.reset();
         this.emit('cancelled');
     }
-};
-Signals.addSignalMethods(AuthPrompt.prototype);
+});

js/gdm/batch.js

@@ -202,7 +202,6 @@ var ConsecutiveBatch = class extends Batch {
                 hold.disconnect(signalId);
                 this.nextTask();
             });
-            return;
         } else {
             // This task finished, process the next one
             this.nextTask();

js/gdm/loginDialog.js

@@ -19,7 +19,6 @@
 
 const { AccountsService, Atk, Clutter, Gdm, Gio,
         GLib, GObject, Meta, Pango, Shell, St } = imports.gi;
-const Signals = imports.signals;
 
 const AuthPrompt = imports.gdm.authPrompt;
 const Batch = imports.gdm.batch;
@@ -39,72 +38,80 @@ const _TIMED_LOGIN_IDLE_THRESHOLD = 5.0;
 const _LOGO_ICON_HEIGHT = 48;
 const _MAX_BOTTOM_MENU_ITEMS = 5;
 
-var UserListItem = class {
-    constructor(user) {
+var UserListItem = GObject.registerClass({
+    GTypeName: 'LoginDialog_UserListItem',
+    Signals: { 'activate': {} }
+}, class UserListItem extends St.Button {
+    _init(user) {
+        let layout = new St.BoxLayout({ vertical: true });
+        super._init({
+            style_class: 'login-dialog-user-list-item',
+            button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
+            can_focus: true,
+            child: layout,
+            reactive: true,
+            x_align: St.Align.START,
+            x_fill: true
+        });
+
         this.user = user;
         this._userChangedId = this.user.connect('changed',
                                                 this._onUserChanged.bind(this));
 
-        let layout = new St.BoxLayout({ vertical: true });
-        this.actor = new St.Button({ style_class: 'login-dialog-user-list-item',
-                                     button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
-                                     can_focus: true,
-                                     child: layout,
-                                     reactive: true,
-                                     x_align: St.Align.START,
-                                     x_fill: true });
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-
-        this.actor.connect('key-focus-in', () => {
-            this._setSelected(true);
-        });
-        this.actor.connect('key-focus-out', () => {
-            this._setSelected(false);
-        });
-        this.actor.connect('notify::hover', () => {
-            this._setSelected(this.actor.hover);
+        this.connect('destroy', this._onDestroy.bind(this));
+        this.connect('notify::hover', () => {
+            this._setSelected(this.hover);
         });
 
         this._userWidget = new UserWidget.UserWidget(this.user);
-        layout.add(this._userWidget.actor);
+        layout.add(this._userWidget);
 
-        this._userWidget.actor.bind_property('label-actor', this.actor, 'label-actor',
-                                             GObject.BindingFlags.SYNC_CREATE);
+        this._userWidget.bind_property('label-actor', this, 'label-actor',
+                                       GObject.BindingFlags.SYNC_CREATE);
 
         this._timedLoginIndicator = new St.Bin({ style_class: 'login-dialog-timed-login-indicator',
                                                  scale_x: 0,
                                                  visible: false });
         layout.add(this._timedLoginIndicator);
 
-        this.actor.connect('clicked', this._onClicked.bind(this));
         this._onUserChanged();
     }
 
+    vfunc_key_focus_in() {
+        super.vfunc_key_focus_in();
+        this._setSelected(true);
+    }
+
+    vfunc_key_focus_out() {
+        super.vfunc_key_focus_out();
+        this._setSelected(false);
+    }
+
     _onUserChanged() {
         this._updateLoggedIn();
     }
 
     _updateLoggedIn() {
         if (this.user.is_logged_in())
-            this.actor.add_style_pseudo_class('logged-in');
+            this.add_style_pseudo_class('logged-in');
         else
-            this.actor.remove_style_pseudo_class('logged-in');
+            this.remove_style_pseudo_class('logged-in');
     }
 
     _onDestroy() {
         this.user.disconnect(this._userChangedId);
     }
 
-    _onClicked() {
+    vfunc_clicked() {
         this.emit('activate');
     }
 
     _setSelected(selected) {
         if (selected) {
-            this.actor.add_style_pseudo_class('selected');
-            this.actor.grab_key_focus();
+            this.add_style_pseudo_class('selected');
+            this.grab_key_focus();
         } else {
-            this.actor.remove_style_pseudo_class('selected');
+            this.remove_style_pseudo_class('selected');
         }
     }
 
@@ -145,23 +152,30 @@ var UserListItem = class {
         this._timedLoginIndicator.visible = false;
         this._timedLoginIndicator.scale_x = 0.;
     }
-};
-Signals.addSignalMethods(UserListItem.prototype);
+});
 
-var UserList = class {
-    constructor() {
-        this.actor = new St.ScrollView({ style_class: 'login-dialog-user-list-view' });
-        this.actor.set_policy(St.PolicyType.NEVER,
-                              St.PolicyType.AUTOMATIC);
+var UserList = GObject.registerClass({
+    GTypeName: 'LoginDialog_UserList',
+    Signals: {
+        'activate': { param_types: [UserListItem.$gtype] },
+        'item-added': { param_types: [UserListItem.$gtype] },
+    }
+}, class UserList extends St.ScrollView {
+    _init() {
+        super._init({ style_class: 'login-dialog-user-list-view' });
+        this.set_policy(St.PolicyType.NEVER,
+                        St.PolicyType.AUTOMATIC);
 
         this._box = new St.BoxLayout({ vertical: true,
                                        style_class: 'login-dialog-user-list',
                                        pseudo_class: 'expanded' });
 
-        this.actor.add_actor(this._box);
+        this.add_actor(this._box);
         this._items = {};
+    }
 
-        this.actor.connect('key-focus-in', this._moveFocusToItems.bind(this));
+    vfunc_key_focus_in() {
+        this._moveFocusToItems();
     }
 
     _moveFocusToItems() {
@@ -170,10 +184,10 @@ var UserList = class {
         if (!hasItems)
             return;
 
-        if (global.stage.get_key_focus() != this.actor)
+        if (global.stage.get_key_focus() != this)
             return;
 
-        let focusSet = this.actor.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
+        let focusSet = this.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
         if (!focusSet) {
             Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
                 this._moveFocusToItems();
@@ -194,14 +208,14 @@ var UserList = class {
 
         for (let userName in this._items) {
             let item = this._items[userName];
-            item.actor.sync_hover();
+            item.sync_hover();
         }
     }
 
     scrollToItem(item) {
-        let box = item.actor.get_allocation_box();
+        let box = item.get_allocation_box();
 
-        let adjustment = this.actor.get_vscroll_bar().get_adjustment();
+        let adjustment = this.get_vscroll_bar().get_adjustment();
 
         let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
         adjustment.ease(value, {
@@ -211,9 +225,9 @@ var UserList = class {
     }
 
     jumpToItem(item) {
-        let box = item.actor.get_allocation_box();
+        let box = item.get_allocation_box();
 
-        let adjustment = this.actor.get_vscroll_bar().get_adjustment();
+        let adjustment = this.get_vscroll_bar().get_adjustment();
 
         let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
 
@@ -251,14 +265,14 @@ var UserList = class {
         this.removeUser(user);
 
         let item = new UserListItem(user);
-        this._box.add(item.actor, { x_fill: true });
+        this._box.add(item, { x_fill: true });
 
         this._items[userName] = item;
 
         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.connect('key-focus-in', () => this.scrollToItem(item));
 
         this._moveFocusToItems();
 
@@ -279,33 +293,38 @@ var UserList = class {
         if (!item)
             return;
 
-        item.actor.destroy();
+        item.destroy();
         delete this._items[userName];
     }
 
     numItems() {
         return Object.keys(this._items).length;
     }
-};
-Signals.addSignalMethods(UserList.prototype);
+});
 
-var SessionMenuButton = class {
-    constructor() {
+var SessionMenuButton = GObject.registerClass({
+    GTypeName: 'LoginDialog_SessionMenuButton',
+    Signals: { 'session-activated': { param_types: [GObject.TYPE_STRING] } }
+}, class SessionMenuButton extends St.Bin {
+    _init() {
         let gearIcon = new St.Icon({ icon_name: 'emblem-system-symbolic' });
-        this._button = new St.Button({ style_class: 'login-dialog-session-list-button',
-                                       reactive: true,
-                                       track_hover: true,
-                                       can_focus: true,
-                                       accessible_name: _("Choose Session"),
-                                       accessible_role: Atk.Role.MENU,
-                                       child: gearIcon });
+        let button = new St.Button({
+            style_class: 'login-dialog-session-list-button',
+            reactive: true,
+            track_hover: true,
+            can_focus: true,
+            accessible_name: _("Choose Session"),
+            accessible_role: Atk.Role.MENU,
+            child: gearIcon
+        });
 
-        this.actor = new St.Bin({ child: this._button });
+        super._init({ child: button });
+        this._button = button;
 
         let side = St.Side.TOP;
         let align = 0;
         if (Gdm.get_session_ids().length > _MAX_BOTTOM_MENU_ITEMS) {
-            if (this.actor.text_direction == Clutter.TextDirection.RTL)
+            if (this.text_direction == Clutter.TextDirection.RTL)
                 side = St.Side.RIGHT;
             else
                 side = St.Side.LEFT;
@@ -384,15 +403,13 @@ var SessionMenuButton = class {
             });
         }
     }
-};
-Signals.addSignalMethods(SessionMenuButton.prototype);
+});
 
 var LoginDialog = GObject.registerClass({
     Signals: { 'failed': {} },
 }, class LoginDialog extends St.Widget {
     _init(parentActor) {
-        super._init({ style_class: 'login-dialog',
-                      visible: false });
+        super._init({ style_class: 'login-dialog', visible: false });
 
         this.get_accessible().set_role(Atk.Role.WINDOW);
 
@@ -426,7 +443,7 @@ var LoginDialog = GObject.registerClass({
         this.add_child(this._userSelectionBox);
 
         this._userList = new UserList();
-        this._userSelectionBox.add(this._userList.actor,
+        this._userSelectionBox.add(this._userList,
                                    { expand: true,
                                      x_fill: true,
                                      y_fill: true });
@@ -435,7 +452,7 @@ var LoginDialog = GObject.registerClass({
         this._authPrompt.connect('prompted', this._onPrompted.bind(this));
         this._authPrompt.connect('reset', this._onReset.bind(this));
         this._authPrompt.hide();
-        this.add_child(this._authPrompt.actor);
+        this.add_child(this._authPrompt);
 
         // translators: this message is shown below the user list on the
         // login screen. It can be activated to reveal an entry for
@@ -494,9 +511,9 @@ var LoginDialog = GObject.registerClass({
             (list, sessionId) => {
                 this._greeter.call_select_session_sync (sessionId, null);
             });
-        this._sessionMenuButton.actor.opacity = 0;
-        this._sessionMenuButton.actor.show();
-        this._authPrompt.addActorToDefaultButtonWell(this._sessionMenuButton.actor);
+        this._sessionMenuButton.opacity = 0;
+        this._sessionMenuButton.show();
+        this._authPrompt.addActorToDefaultButtonWell(this._sessionMenuButton);
 
         this._disableUserList = undefined;
         this._userListLoaded = false;
@@ -579,8 +596,8 @@ var LoginDialog = GObject.registerClass({
 
         let authPromptAllocation = null;
         let authPromptWidth = 0;
-        if (this._authPrompt.actor.visible) {
-            authPromptAllocation = this._getCenterActorAllocation(dialogBox, this._authPrompt.actor);
+        if (this._authPrompt.visible) {
+            authPromptAllocation = this._getCenterActorAllocation(dialogBox, this._authPrompt);
             authPromptWidth = authPromptAllocation.x2 - authPromptAllocation.x1;
         }
 
@@ -690,7 +707,7 @@ var LoginDialog = GObject.registerClass({
         }
 
         if (authPromptAllocation)
-            this._authPrompt.actor.allocate(authPromptAllocation, flags);
+            this._authPrompt.allocate(authPromptAllocation, flags);
 
         if (userSelectionAllocation)
             this._userSelectionBox.allocate(userSelectionAllocation, flags);
@@ -794,7 +811,7 @@ var LoginDialog = GObject.registerClass({
     _onPrompted() {
         if (this._shouldShowSessionMenuButton()) {
             this._sessionMenuButton.updateSensitivity(true);
-            this._authPrompt.setActorInDefaultButtonWell(this._sessionMenuButton.actor);
+            this._authPrompt.setActorInDefaultButtonWell(this._sessionMenuButton);
         } else {
             this._sessionMenuButton.updateSensitivity(false);
         }
@@ -854,11 +871,11 @@ var LoginDialog = GObject.registerClass({
     }
 
     _showPrompt() {
-        if (this._authPrompt.actor.visible)
+        if (this._authPrompt.visible)
             return;
-        this._authPrompt.actor.opacity = 0;
-        this._authPrompt.actor.show();
-        this._authPrompt.actor.ease({
+        this._authPrompt.opacity = 0;
+        this._authPrompt.show();
+        this._authPrompt.ease({
             opacity: 255,
             duration: _FADE_ANIMATION_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD
@@ -921,7 +938,7 @@ var LoginDialog = GObject.registerClass({
             return;
 
         this._bindOpacity();
-        this.actor.ease({
+        this.ease({
             opacity: 255,
             duration: _FADE_ANIMATION_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
@@ -944,7 +961,7 @@ var LoginDialog = GObject.registerClass({
 
     _startSession(serviceName) {
         this._bindOpacity();
-        this.actor.ease({
+        this.ease({
             opacity: 0,
             duration: _FADE_ANIMATION_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
@@ -1045,12 +1062,12 @@ var LoginDialog = GObject.registerClass({
                      () => {
                          // If idle timeout is done, make sure the timed login indicator is shown
                          if (delay > _TIMED_LOGIN_IDLE_THRESHOLD &&
-                             this._authPrompt.actor.visible)
+                             this._authPrompt.visible)
                              this._authPrompt.cancel();
 
                          if (delay > _TIMED_LOGIN_IDLE_THRESHOLD || firstRun) {
                              this._userList.scrollToItem(loginItem);
-                             loginItem.actor.grab_key_focus();
+                             loginItem.grab_key_focus();
                          }
                      },
 
@@ -1111,7 +1128,7 @@ var LoginDialog = GObject.registerClass({
         this._sessionMenuButton.close();
         this._setUserListExpanded(true);
         this._notListedButton.show();
-        this._userList.actor.grab_key_focus();
+        this._userList.grab_key_focus();
     }
 
     _beginVerificationForItem(item) {
@@ -1219,7 +1236,7 @@ var LoginDialog = GObject.registerClass({
                                         _("Login Window"),
                                         'dialog-password-symbolic',
                                         { sortGroup: CtrlAltTab.SortGroup.MIDDLE });
-        this._userList.actor.grab_key_focus();
+        this._userList.grab_key_focus();
         this.show();
         this.opacity = 0;
 

js/misc/history.js

@@ -28,7 +28,7 @@ var HistoryManager = class {
         this._entry = params.entry;
 
         if (this._entry) {
-            this._entry.connect('key-press-event', 
+            this._entry.connect('key-press-event',
                                 this._onEntryKeyPress.bind(this));
         }
     }

js/misc/ibusManager.js

@@ -72,6 +72,16 @@ var IBusManager = class {
     }
 
     _clear() {
+        if (this._cancellable) {
+            this._cancellable.cancel();
+            this._cancellable = null;
+        }
+
+        if (this._preloadEnginesId) {
+            GLib.source_remove(this._preloadEnginesId);
+            this._preloadEnginesId = 0;
+        }
+
         if (this._panelService)
             this._panelService.destroy();
 
@@ -86,28 +96,41 @@ var IBusManager = class {
     }
 
     _onConnected() {
-        this._ibus.list_engines_async(-1, null, this._initEngines.bind(this));
+        this._cancellable = new Gio.Cancellable();
+        this._ibus.list_engines_async(-1, this._cancellable,
+            this._initEngines.bind(this));
         this._ibus.request_name_async(IBus.SERVICE_PANEL,
-                                      IBus.BusNameFlag.REPLACE_EXISTING,
-                                      -1, null,
-                                      this._initPanelService.bind(this));
+            IBus.BusNameFlag.REPLACE_EXISTING, -1, this._cancellable,
+            this._initPanelService.bind(this));
     }
 
     _initEngines(ibus, result) {
-        let enginesList = this._ibus.list_engines_async_finish(result);
-        if (enginesList) {
+        try {
+            let enginesList = this._ibus.list_engines_async_finish(result);
             for (let i = 0; i < enginesList.length; ++i) {
                 let name = enginesList[i].get_name();
                 this._engines.set(name, enginesList[i]);
             }
             this._updateReadiness();
-        } else {
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                return;
+
+            logError(e);
             this._clear();
         }
     }
 
     _initPanelService(ibus, result) {
-        let success = this._ibus.request_name_async_finish(result);
+        let success = false;
+        try {
+            success = !!this._ibus.request_name_async_finish(result);
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                return;
+            logError(e);
+        }
+
         if (success) {
             this._panelService = new IBus.PanelService({ connection: this._ibus.get_connection(),
                                                          object_path: IBus.PATH_PANEL });
@@ -134,7 +157,7 @@ var IBusManager = class {
             } catch (e) {
             }
             // If an engine is already active we need to get its properties
-            this._ibus.get_global_engine_async(-1, null, (i, result) => {
+            this._ibus.get_global_engine_async(-1, this._cancellable, (_bus, result) => {
                 let engine;
                 try {
                     engine = this._ibus.get_global_engine_async_finish(result);
@@ -206,8 +229,18 @@ var IBusManager = class {
             return;
         }
 
-        this._ibus.set_global_engine_async(id, this._MAX_INPUT_SOURCE_ACTIVATION_TIME,
-                                           null, callback || null);
+        this._ibus.set_global_engine_async(id,
+            this._MAX_INPUT_SOURCE_ACTIVATION_TIME,
+            this._cancellable, (_bus, res) => {
+                try {
+                    this._ibus.set_global_engine_async_finish(res);
+                } catch (e) {
+                    if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                        logError(e);
+                }
+                if (callback)
+                    callback();
+            });
     }
 
     preloadEngines(ids) {
@@ -227,7 +260,7 @@ var IBusManager = class {
                     this._ibus.preload_engines_async(
                         ids,
                         -1,
-                        null,
+                        this._cancellable,
                         null);
                     this._preloadEnginesId = 0;
                     return GLib.SOURCE_REMOVE;

js/misc/inputMethod.js

@@ -1,6 +1,6 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported InputMethod */
-const { Clutter, GLib, GObject, IBus } = imports.gi;
+const { Clutter, GLib, Gio, GObject, IBus } = imports.gi;
 
 const Keyboard = imports.ui.status.keyboard;
 
@@ -36,15 +36,7 @@ class InputMethod extends Clutter.InputMethod {
     }
 
     _updateCapabilities() {
-        let caps = 0;
-
-        if (this.can_show_preedit)
-            caps |= IBus.Capabilite.PREEDIT_TEXT;
-
-        if (this._currentFocus)
-            caps |= IBus.Capabilite.FOCUS | IBus.Capabilite.SURROUNDING_TEXT;
-        else
-            caps |= IBus.Capabilite.PREEDIT_TEXT | IBus.Capabilite.AUXILIARY_TEXT | IBus.Capabilite.LOOKUP_TABLE | IBus.Capabilite.PROPERTY;
+        let caps = IBus.Capabilite.PREEDIT_TEXT | IBus.Capabilite.FOCUS | IBus.Capabilite.SURROUNDING_TEXT;
 
         if (this._context)
             this._context.set_capabilities(caps);
@@ -55,12 +47,22 @@ class InputMethod extends Clutter.InputMethod {
     }
 
     _onConnected() {
-        this._ibus.create_input_context_async ('gnome-shell', -1, null,
-                                               this._setContext.bind(this));
+        this._cancellable = new Gio.Cancellable();
+        this._ibus.create_input_context_async ('gnome-shell', -1,
+            this._cancellable, this._setContext.bind(this));
     }
 
     _setContext(bus, res) {
-        this._context = this._ibus.create_input_context_async_finish(res);
+        try {
+            this._context = this._ibus.create_input_context_async_finish(res);
+        } catch (e) {
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
+                logError(e);
+                this._clear();
+            }
+            return;
+        }
+
         this._context.connect('commit-text', this._onCommitText.bind(this));
         this._context.connect('delete-surrounding-text', this._onDeleteSurroundingText.bind(this));
         this._context.connect('update-preedit-text', this._onUpdatePreeditText.bind(this));
@@ -72,6 +74,11 @@ class InputMethod extends Clutter.InputMethod {
     }
 
     _clear() {
+        if (this._cancellable) {
+            this._cancellable.cancel();
+            this._cancellable = null;
+        }
+
         this._context = null;
         this._hints = 0;
         this._purpose = 0;
@@ -137,7 +144,6 @@ class InputMethod extends Clutter.InputMethod {
         this._currentFocus = focus;
         if (this._context) {
             this._context.focus_in();
-            this._updateCapabilities();
             this._emitRequestSurrounding();
         }
 
@@ -149,10 +155,8 @@ class InputMethod extends Clutter.InputMethod {
 
     vfunc_focus_out() {
         this._currentFocus = null;
-        if (this._context) {
+        if (this._context)
             this._context.focus_out();
-            this._updateCapabilities();
-        }
 
         if (this._preeditStr) {
             // Unset any preedit text
@@ -255,17 +259,19 @@ class InputMethod extends Clutter.InputMethod {
         if (event.type() == Clutter.EventType.KEY_RELEASE)
             state |= IBus.ModifierType.RELEASE_MASK;
 
-        this._context.process_key_event_async(event.get_key_symbol(),
-                                              event.get_key_code() - 8, // Convert XKB keycodes to evcodes
-                                              state, -1, null,
-                                              (context, res) => {
-                                                  try {
-                                                      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}`);
-                                                  }
-                                              });
+        this._context.process_key_event_async(
+            event.get_key_symbol(),
+            event.get_key_code() - 8, // Convert XKB keycodes to evcodes
+            state, -1, this._cancellable,
+            (context, res) => {
+                try {
+                    let retval = context.process_key_event_async_finish(res);
+                    this.notify_key_event(event, retval);
+                } catch (e) {
+                    if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                        log(`Error processing key on IM: ${e.message}`);
+                }
+            });
         return true;
     }
 });

js/misc/introspect.js

@@ -127,7 +127,8 @@ var IntrospectService = class {
         let apps = this._appSystem.get_running();
         let windowsList = {};
 
-        if (!this._isIntrospectEnabled()) {
+        if (!this._isIntrospectEnabled() &&
+            !this._isSenderWhitelisted(invocation.get_sender())) {
             invocation.return_error_literal(Gio.DBusError,
                                             Gio.DBusError.ACCESS_DENIED,
                                             'App introspection not allowed');

js/misc/jsParse.js

@@ -172,7 +172,7 @@ function getPropertyNamesFromExpression(expr, commandHeader = '') {
 
         // Make sure propsUnique contains one key for every
         // property so we end up with a unique list of properties
-        allProps.map(p => propsUnique[p] = null);
+        allProps.map(p => (propsUnique[p] = null));
     }
     return Object.keys(propsUnique).sort();
 }

js/misc/modemManager.js

@@ -84,9 +84,9 @@ function _findProviderForSid(sid) {
 }
 
 
-//------------------------------------------------------------------------------
-// Support for the old ModemManager interface (MM < 0.7)
-//------------------------------------------------------------------------------
+// ----------------------------------------------------- //
+// Support for the old ModemManager interface (MM < 0.7) //
+// ----------------------------------------------------- //
 
 
 // The following are not the complete interfaces, just the methods we need
@@ -182,9 +182,9 @@ var ModemCdma = class {
 Signals.addSignalMethods(ModemCdma.prototype);
 
 
-//------------------------------------------------------------------------------
-// Support for the new ModemManager1 interface (MM >= 0.7)
-//------------------------------------------------------------------------------
+// ------------------------------------------------------- //
+// Support for the new ModemManager1 interface (MM >= 0.7) //
+// ------------------------------------------------------- //
 
 const BroadbandModemInterface = loadInterfaceXML('org.freedesktop.ModemManager1.Modem');
 const BroadbandModemProxy = Gio.DBusProxy.makeProxyWrapper(BroadbandModemInterface);

js/misc/systemActions.js

@@ -244,8 +244,9 @@ const SystemActions = GObject.registerClass({
 
     _updateOrientationLockIcon() {
         let locked = this._orientationSettings.get_boolean('orientation-lock');
-        let iconName = locked ? 'rotation-locked-symbolic'
-                              : 'rotation-allowed-symbolic';
+        let iconName = locked
+            ? 'rotation-locked-symbolic'
+            : 'rotation-allowed-symbolic';
         this._actions.get(LOCK_ORIENTATION_ACTION_ID).iconName = iconName;
 
         this.notify('orientation-lock-icon');
@@ -268,7 +269,7 @@ const SystemActions = GObject.registerClass({
 
     getMatchingActions(terms) {
         // terms is a list of strings
-        terms = terms.map((term) => term.toLowerCase());
+        terms = terms.map(term => term.toLowerCase());
 
         let results = [];
 

js/misc/util.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported findUrls, spawn, spawnCommandLine, spawnApp, trySpawnCommandLine,
             formatTime, formatTimeSpan, createTimeLabel, insertSorted,
-            makeCloseButton, ensureActorVisibleInScrollView */
+            makeCloseButton, ensureActorVisibleInScrollView, wiggle */
 
 const { Clutter, Gio, GLib, GObject, Shell, St } = imports.gi;
 const Gettext = imports.gettext;
@@ -14,7 +14,7 @@ var SCROLL_TIME = 100;
 // http://daringfireball.net/2010/07/improved_regex_for_matching_urls
 const _balancedParens = '\\([^\\s()<>]+\\)';
 const _leadingJunk = '[\\s`(\\[{\'\\"<\u00AB\u201C\u2018]';
-const _notTrailingJunk = '[^\\s`!()\\[\\]{};:\'\\".,<>?\u00AB\u00BB\u201C\u201D\u2018\u2019]';
+const _notTrailingJunk = '[^\\s`!()\\[\\]{};:\'\\".,<>?\u00AB\u00BB\u200E\u200F\u201C\u201D\u2018\u2019\u202A\u202C]';
 
 const _urlRegexp = new RegExp(
     `(^|${_leadingJunk})` +
@@ -429,3 +429,37 @@ function ensureActorVisibleInScrollView(scrollView, actor) {
         duration: SCROLL_TIME
     });
 }
+
+function wiggle(actor, params) {
+    params = Params.parse(params, {
+        offset: 0,
+        duration: 0,
+        wiggleCount: 0,
+    });
+    actor.translation_x = 0;
+
+    // Accelerate before wiggling
+    actor.ease({
+        translation_x: -params.offset,
+        duration: params.duration,
+        mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+        onComplete: () => {
+            // Wiggle
+            actor.ease({
+                translation_x: params.offset,
+                duration: params.duration,
+                mode: Clutter.AnimationMode.LINEAR,
+                repeatCount: params.wiggleCount,
+                autoReverse: true,
+                onComplete: () => {
+                    // Decelerate and return to the original position
+                    actor.ease({
+                        translation_x: 0,
+                        duration: params.duration,
+                        mode: Clutter.AnimationMode.EASE_IN_QUAD,
+                    });
+                }
+            });
+        }
+    });
+}

js/perf/core.js

@@ -127,11 +127,11 @@ function *run() {
     for (let i = 0; i < 2; i++) {
         Scripting.scriptEvent('applicationsShowStart');
         // eslint-disable-next-line require-atomic-updates
-        Main.overview._dash.showAppsButton.checked = true;
+        Main.overview.dash.showAppsButton.checked = true;
         yield Scripting.waitLeisure();
         Scripting.scriptEvent('applicationsShowDone');
         // eslint-disable-next-line require-atomic-updates
-        Main.overview._dash.showAppsButton.checked = false;
+        Main.overview.dash.showAppsButton.checked = false;
         yield Scripting.waitLeisure();
     }
 }

js/perf/hwtest.js

@@ -57,7 +57,7 @@ function waitAndDraw(milliseconds) {
             cb();
     });
 
-    return callback => cb = callback;
+    return callback => (cb = callback);
 }
 
 function waitSignal(object, signal) {
@@ -69,7 +69,7 @@ function waitSignal(object, signal) {
             cb();
     });
 
-    return callback => cb = callback;
+    return callback => (cb = callback);
 }
 
 function extractBootTimestamp() {
@@ -127,7 +127,7 @@ function *run() {
 
     Scripting.scriptEvent('applicationsShowStart');
     // eslint-disable-next-line require-atomic-updates
-    Main.overview._dash.showAppsButton.checked = true;
+    Main.overview.dash.showAppsButton.checked = true;
 
     yield Scripting.waitLeisure();
     Scripting.scriptEvent('applicationsShowDone');
@@ -137,9 +137,9 @@ function *run() {
     Main.overview.hide();
     yield Scripting.waitLeisure();
 
-    ////////////////////////////////////////
-    // Tests of redraw speed
-    ////////////////////////////////////////
+    // --------------------- //
+    // Tests of redraw speed //
+    // --------------------- //
 
     global.frame_timestamps = true;
     global.frame_finish_timestamp = true;
@@ -186,8 +186,6 @@ function *run() {
 
     yield Scripting.sleep(1000);
 
-    ////////////////////////////////////////
-
     let appSys = Shell.AppSystem.get_default();
     let app = appSys.lookup_app('org.gnome.gedit.desktop');
 

js/ui/accessDialog.js

@@ -56,8 +56,8 @@ class AccessDialog extends ModalDialog.ModalDialog {
 
             let check = new CheckBox.CheckBox();
             check.getLabelActor().text = name;
-            check.actor.checked = selected == "true";
-            content.insertBeforeBody(check.actor);
+            check.checked = selected == "true";
+            content.insertBeforeBody(check);
 
             this._choices.set(id, check);
         }
@@ -99,7 +99,7 @@ class AccessDialog extends ModalDialog.ModalDialog {
         let results = {};
         if (response == DialogResponse.OK) {
             for (let [id, check] of this._choices) {
-                let checked = check.actor.checked ? 'true' : 'false';
+                let checked = check.checked ? 'true' : 'false';
                 results[id] = new GLib.Variant('s', checked);
             }
         }
@@ -147,7 +147,7 @@ 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

@@ -405,27 +405,26 @@ class AppSwitcherPopup extends SwitcherPopup.SwitcherPopup {
     }
 });
 
-class CyclerHighlight {
-    constructor() {
+var CyclerHighlight = GObject.registerClass(
+class CyclerHighlight extends St.Widget {
+    _init() {
+        super._init({ layout_manager: new Clutter.BinLayout() });
         this._window = null;
 
-        this.actor = new St.Widget({ layout_manager: new Clutter.BinLayout() });
-
         this._clone = new Clutter.Clone();
-        this.actor.add_actor(this._clone);
+        this.add_actor(this._clone);
 
         this._highlight = new St.Widget({ style_class: 'cycler-highlight' });
-        this.actor.add_actor(this._highlight);
+        this.add_actor(this._highlight);
 
         let coordinate = Clutter.BindCoordinate.ALL;
         let constraint = new Clutter.BindConstraint({ coordinate: coordinate });
         this._clone.bind_property('source', constraint, 'source', 0);
 
-        this.actor.add_constraint(constraint);
+        this.add_constraint(constraint);
 
-        this.actor.connect('notify::allocation',
-                           this._onAllocationChanged.bind(this));
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.connect('notify::allocation', this._onAllocationChanged.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
     set window(w) {
@@ -437,8 +436,8 @@ class CyclerHighlight {
         if (this._clone.source)
             this._clone.source.sync_visibility();
 
-        let windowActor = this._window ? this._window.get_compositor_private()
-                                       : null;
+        let windowActor = this._window
+            ? this._window.get_compositor_private() : null;
 
         if (windowActor)
             windowActor.hide();
@@ -451,7 +450,7 @@ class CyclerHighlight {
             this._highlight.set_size(0, 0);
             this._highlight.hide();
         } else {
-            let [x, y] = this.actor.allocation.get_origin();
+            let [x, y] = this.allocation.get_origin();
             let rect = this._window.get_frame_rect();
             this._highlight.set_size(rect.width, rect.height);
             this._highlight.set_position(rect.x - x, rect.y - y);
@@ -462,7 +461,7 @@ class CyclerHighlight {
     _onDestroy() {
         this.window = null;
     }
-}
+});
 
 // We don't show an actual popup, so just provide what SwitcherPopup
 // expects instead of inheriting from SwitcherList
@@ -489,7 +488,7 @@ var CyclerPopup = GObject.registerClass({
             return;
 
         this._highlight = new CyclerHighlight();
-        global.window_group.add_actor(this._highlight.actor);
+        global.window_group.add_actor(this._highlight);
 
         this._switcherList = new CyclerList();
         this._switcherList.connect('item-highlighted', (list, index) => {
@@ -499,7 +498,7 @@ var CyclerPopup = GObject.registerClass({
 
     _highlightItem(index, _justOutline) {
         this._highlight.window = this._items[index];
-        global.window_group.set_child_above_sibling(this._highlight.actor, null);
+        global.window_group.set_child_above_sibling(this._highlight, null);
     }
 
     _finish() {
@@ -529,7 +528,7 @@ var CyclerPopup = GObject.registerClass({
     }
 
     _onDestroy() {
-        this._highlight.actor.destroy();
+        this._highlight.destroy();
 
         super._onDestroy();
     }
@@ -877,9 +876,9 @@ class ThumbnailList extends SwitcherPopup.SwitcherList {
     _init(windows) {
         super._init(false);
 
-        this._labels = new Array();
-        this._thumbnailBins = new Array();
-        this._clones = new Array();
+        this._labels = [];
+        this._thumbnailBins = [];
+        this._clones = [];
         this._windows = windows;
 
         for (let i = 0; i < windows.length; i++) {
@@ -940,7 +939,7 @@ class ThumbnailList extends SwitcherPopup.SwitcherList {
         }
 
         // Make sure we only do this once
-        this._thumbnailBins = new Array();
+        this._thumbnailBins = [];
     }
 
     _removeThumbnail(source, clone) {
@@ -1014,9 +1013,9 @@ class WindowIcon extends St.BoxLayout {
     }
 
     _createAppIcon(app, size) {
-        let appIcon = app ? app.create_icon_texture(size)
-                          : new St.Icon({ icon_name: 'icon-missing',
-                                          icon_size: size });
+        let appIcon = app
+            ? app.create_icon_texture(size)
+            : new St.Icon({ icon_name: 'icon-missing', icon_size: size });
         appIcon.x_expand = appIcon.y_expand = true;
         appIcon.x_align = appIcon.y_align = Clutter.ActorAlign.END;
 
@@ -1043,7 +1042,7 @@ class WindowList extends SwitcherPopup.SwitcherList {
             this.addItem(icon, icon.label);
             this.icons.push(icon);
 
-            icon._unmanagedSignalId = icon.window.connect('unmanaged', (window) => {
+            icon._unmanagedSignalId = icon.window.connect('unmanaged', window => {
                 this._removeWindow(window);
             });
         }

js/ui/animation.js

@@ -1,19 +1,18 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Animation, AnimatedIcon, Spinner */
 
-const { Clutter, GLib, Gio, St } = imports.gi;
+const { Clutter, GLib, GObject, Gio, St } = imports.gi;
 
 var ANIMATED_ICON_UPDATE_TIMEOUT = 16;
 var SPINNER_ANIMATION_TIME = 300;
 var SPINNER_ANIMATION_DELAY = 1000;
 
-var Animation = class {
-    constructor(file, width, height, speed) {
-        this.actor = new St.Bin();
-        this.actor.set_size(width, height);
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-        this.actor.connect('notify::size', this._syncAnimationSize.bind(this));
-        this.actor.connect('resource-scale-changed',
+var Animation = GObject.registerClass(
+class Animation extends St.Bin {
+    _init(file, width, height, speed) {
+        super._init({ width: width, height: height });
+        this.connect('destroy', this._onDestroy.bind(this));
+        this.connect('resource-scale-changed',
             this._loadFile.bind(this, file, width, height));
 
         let themeContext = St.ThemeContext.get_for_stage(global.stage);
@@ -52,14 +51,14 @@ var Animation = class {
     }
 
     _loadFile(file, width, height) {
-        let [validResourceScale, resourceScale] = this.actor.get_resource_scale();
+        let [validResourceScale, resourceScale] = this.get_resource_scale();
         let wasPlaying = this._isPlaying;
 
         if (this._isPlaying)
             this.stop();
 
         this._isLoaded = false;
-        this.actor.destroy_all_children();
+        this.destroy_all_children();
 
         if (!validResourceScale) {
             if (wasPlaying)
@@ -72,7 +71,7 @@ var Animation = class {
         this._animations = textureCache.load_sliced_image(file, width, height,
                                                           scaleFactor, resourceScale,
                                                           this._animationsLoaded.bind(this));
-        this.actor.set_child(this._animations);
+        this.set_child(this._animations);
 
         if (wasPlaying)
             this.play();
@@ -99,7 +98,7 @@ var Animation = class {
         if (!this._isLoaded)
             return;
 
-        let [width, height] = this.actor.get_size();
+        let [width, height] = this.get_size();
 
         for (let i = 0; i < this._animations.get_n_children(); ++i)
             this._animations.get_child_at_index(i).set_size(width, height);
@@ -122,20 +121,22 @@ var Animation = class {
             themeContext.disconnect(this._scaleChangedId);
         this._scaleChangedId = 0;
     }
-};
+});
 
-var AnimatedIcon = class extends Animation {
-    constructor(file, size) {
-        super(file, size, size, ANIMATED_ICON_UPDATE_TIMEOUT);
+var AnimatedIcon = GObject.registerClass(
+class AnimatedIcon extends Animation {
+    _init(file, size) {
+        super._init(file, size, size, ANIMATED_ICON_UPDATE_TIMEOUT);
     }
-};
+});
 
-var Spinner = class extends AnimatedIcon {
-    constructor(size, animate = false) {
+var Spinner = GObject.registerClass(
+class Spinner extends AnimatedIcon {
+    _init(size, animate = false) {
         let file = Gio.File.new_for_uri('resource:///org/gnome/shell/theme/process-working.svg');
-        super(file, size);
+        super._init(file, size);
 
-        this.actor.opacity = 0;
+        this.opacity = 0;
         this._animate = animate;
     }
 
@@ -145,35 +146,35 @@ var Spinner = class extends AnimatedIcon {
     }
 
     play() {
-        this.actor.remove_all_transitions();
+        this.remove_all_transitions();
 
         if (this._animate) {
             super.play();
-            this.actor.ease({
+            this.ease({
                 opacity: 255,
                 delay: SPINNER_ANIMATION_DELAY,
                 duration: SPINNER_ANIMATION_TIME,
                 mode: Clutter.AnimationMode.LINEAR
             });
         } else {
-            this.actor.opacity = 255;
+            this.opacity = 255;
             super.play();
         }
     }
 
     stop() {
-        this.actor.remove_all_transitions();
+        this.remove_all_transitions();
 
         if (this._animate) {
-            this.actor.ease({
+            this.ease({
                 opacity: 0,
-                time: SPINNER_ANIMATION_TIME,
-                transition: 'linear',
+                duration: SPINNER_ANIMATION_TIME,
+                mode: Clutter.AnimationMode.LINEAR,
                 onComplete: () => super.stop()
             });
         } else {
-            this.actor.opacity = 0;
+            this.opacity = 0;
             super.stop();
         }
     }
-};
+});

js/ui/appFavorites.js

@@ -55,6 +55,7 @@ const RENAMED_DESKTOP_IDS = {
     'org.gnome.taquin.desktop': 'org.gnome.Taquin.desktop',
     'org.gnome.Weather.Application.desktop': 'org.gnome.Weather.desktop',
     'polari.desktop': 'org.gnome.Polari.desktop',
+    'shotwell.desktop': 'org.gnome.Shotwell.desktop',
     'tali.desktop': 'org.gnome.Tali.desktop',
     'totem.desktop': 'org.gnome.Totem.desktop',
     'evince.desktop': 'org.gnome.Evince.desktop',

js/ui/audioDeviceSelection.js

@@ -161,7 +161,7 @@ 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 {

js/ui/background.js

@@ -1,4 +1,5 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported SystemBackground */
 
 // READ THIS FIRST
 // Background handling is a maze of objects, both objects in this file, and
@@ -93,7 +94,7 @@
 //     MetaBackgroundImage         MetaBackgroundImage
 //     MetaBackgroundImage         MetaBackgroundImage
 
-const { Clutter, GDesktopEnums, Gio, GLib, GnomeDesktop, Meta } = imports.gi;
+const { Clutter, GDesktopEnums, Gio, GLib, GObject, GnomeDesktop, Meta } = imports.gi;
 const Signals = imports.signals;
 
 const LoginManager = imports.misc.loginManager;
@@ -220,16 +221,17 @@ function getBackgroundCache() {
     return _backgroundCache;
 }
 
-var Background = class Background {
-    constructor(params) {
+var Background = GObject.registerClass({
+    Signals: { 'loaded': {}, 'bg-changed': {} }
+}, class Background extends Meta.Background {
+    _init(params) {
         params = Params.parse(params, { monitorIndex: 0,
                                         layoutManager: Main.layoutManager,
                                         settings: null,
                                         file: null,
                                         style: null });
 
-        this.background = new Meta.Background({ meta_display: global.display });
-        this.background._delegate = this;
+        super._init({ meta_display: global.display });
 
         this._settings = params.settings;
         this._file = params.file;
@@ -262,8 +264,6 @@ var Background = class Background {
     }
 
     destroy() {
-        this.background = null;
-
         this._cancellable.cancel();
         this._removeAnimationTimeout();
 
@@ -300,9 +300,11 @@ var Background = class Background {
 
         this._changedIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
             this._changedIdleId = 0;
-            this.emit('changed');
+            this.emit('bg-changed');
             return GLib.SOURCE_REMOVE;
         });
+        GLib.Source.set_name_by_id(this._changedIdleId,
+            '[gnome-shell] Background._emitChangedSignal');
     }
 
     updateResolution() {
@@ -328,7 +330,7 @@ var Background = class Background {
             this.emit('loaded');
             return GLib.SOURCE_REMOVE;
         });
-        GLib.Source.set_name_by_id(id, '[gnome-shell] this.emit');
+        GLib.Source.set_name_by_id(id, '[gnome-shell] Background._setLoaded Idle');
     }
 
     _loadPattern() {
@@ -342,9 +344,9 @@ var Background = class Background {
         let shadingType = this._settings.get_enum(COLOR_SHADING_TYPE_KEY);
 
         if (shadingType == GDesktopEnums.BackgroundShading.SOLID)
-            this.background.set_color(color);
+            this.set_color(color);
         else
-            this.background.set_gradient(shadingType, color, secondColor);
+            this.set_gradient(shadingType, color, secondColor);
     }
 
     _watchFile(file) {
@@ -380,13 +382,13 @@ var Background = class Background {
         let finish = () => {
             this._setLoaded();
             if (files.length > 1) {
-                this.background.set_blend(files[0], files[1],
-                                          this._animation.transitionProgress,
-                                          this._style);
+                this.set_blend(files[0], files[1],
+                               this._animation.transitionProgress,
+                               this._style);
             } else if (files.length > 0) {
-                this.background.set_file(files[0], this._style);
+                this.set_file(files[0], this._style);
             } else {
-                this.background.set_file(null, this._style);
+                this.set_file(null, this._style);
             }
             this._queueUpdateAnimation();
         };
@@ -459,7 +461,7 @@ var Background = class Background {
     }
 
     _loadImage(file) {
-        this.background.set_file(file, this._style);
+        this.set_file(file, this._style);
         this._watchFile(file);
 
         let cache = Meta.BackgroundImageCache.get_default();
@@ -493,13 +495,14 @@ var Background = class Background {
 
         this._loadFile(this._file);
     }
-};
-Signals.addSignalMethods(Background.prototype);
+});
 
 let _systemBackground;
 
-var SystemBackground = class SystemBackground {
-    constructor() {
+var SystemBackground = GObject.registerClass({
+    Signals: { 'loaded': {} }
+}, class SystemBackground extends Meta.BackgroundActor {
+    _init() {
         let file = Gio.File.new_for_uri('resource:///org/gnome/shell/theme/noise-texture.png');
 
         if (_systemBackground == null) {
@@ -508,9 +511,11 @@ var SystemBackground = class SystemBackground {
             _systemBackground.set_file(file, GDesktopEnums.BackgroundStyle.WALLPAPER);
         }
 
-        this.actor = new Meta.BackgroundActor({ meta_display: global.display,
-                                                monitor: 0,
-                                                background: _systemBackground });
+        super._init({
+            meta_display: global.display,
+            monitor: 0,
+            background: _systemBackground
+        });
 
         let cache = Meta.BackgroundImageCache.get_default();
         let image = cache.load(file);
@@ -529,8 +534,7 @@ var SystemBackground = class SystemBackground {
             });
         }
     }
-};
-Signals.addSignalMethods(SystemBackground.prototype);
+});
 
 var BackgroundSource = class BackgroundSource {
     constructor(layoutManager, settingsSchema) {
@@ -566,7 +570,7 @@ var BackgroundSource = class BackgroundSource {
 
         // We don't watch changes to settings here,
         // instead we rely on Background to watch those
-        // and emit 'changed' at the right time
+        // and emit 'bg-changed' at the right time
 
         if (this._overrideImage != null) {
             file = Gio.File.new_for_path(this._overrideImage);
@@ -595,7 +599,7 @@ var BackgroundSource = class BackgroundSource {
                 style: style
             });
 
-            background._changedId = background.connect('changed', () => {
+            background._changedId = background.connect('bg-changed', () => {
                 background.disconnect(background._changedId);
                 background.destroy();
                 delete this._backgrounds[monitorIndex];
@@ -732,7 +736,7 @@ var BackgroundManager = class BackgroundManager {
 
         this._newBackgroundActor = newBackgroundActor;
 
-        let background = newBackgroundActor.background._delegate;
+        let background = newBackgroundActor.background;
 
         if (background.isLoaded) {
             this._swapBackgroundActor();
@@ -752,7 +756,7 @@ var BackgroundManager = class BackgroundManager {
         let backgroundActor = new Meta.BackgroundActor({
             meta_display: global.display,
             monitor: this._monitorIndex,
-            background: background.background,
+            background,
             vignette: this._vignette,
             vignette_sharpness: 0.5,
             brightness: 0.5,
@@ -766,7 +770,7 @@ var BackgroundManager = class BackgroundManager {
             backgroundActor.lower_bottom();
         }
 
-        let changeSignalId = background.connect('changed', () => {
+        let changeSignalId = background.connect('bg-changed', () => {
             background.disconnect(changeSignalId);
             changeSignalId = null;
             this._updateBackgroundActor();

js/ui/boxpointer.js

@@ -46,12 +46,18 @@ var BoxPointer = GObject.registerClass({
         this.add_actor(this._border);
         this.bin.raise(this._border);
         this._sourceAlignment = 0.5;
-        this._capturedEventId = 0;
-        this._muteInput();
+        this._muteInput = true;
 
         this.connect('destroy', this._onDestroy.bind(this));
     }
 
+    vfunc_captured_event() {
+        if (this._muteInput)
+            return Clutter.EVENT_STOP;
+
+        return Clutter.EVENT_PROPAGATE;
+    }
+
     _onDestroy() {
         if (this._sourceActorDestroyId) {
             this._sourceActor.disconnect(this._sourceActorDestroyId);
@@ -63,19 +69,6 @@ var BoxPointer = GObject.registerClass({
         return this._arrowSide;
     }
 
-    _muteInput() {
-        if (this._capturedEventId == 0)
-            this._capturedEventId = this.connect('captured-event',
-                                                 () => Clutter.EVENT_STOP);
-    }
-
-    _unmuteInput() {
-        if (this._capturedEventId != 0) {
-            this.disconnect(this._capturedEventId);
-            this._capturedEventId = 0;
-        }
-    }
-
     open(animate, onComplete) {
         let themeNode = this.get_theme_node();
         let rise = themeNode.get_length('-arrow-rise');
@@ -112,7 +105,7 @@ var BoxPointer = GObject.registerClass({
             duration: animationTime,
             mode: Clutter.AnimationMode.LINEAR,
             onComplete: () => {
-                this._unmuteInput();
+                this._muteInput = false;
                 if (onComplete)
                     onComplete();
             }
@@ -147,7 +140,7 @@ var BoxPointer = GObject.registerClass({
             }
         }
 
-        this._muteInput();
+        this._muteInput = true;
 
         this.remove_all_transitions();
         this.ease({
@@ -172,8 +165,8 @@ var BoxPointer = GObject.registerClass({
         let borderWidth = themeNode.get_length('-arrow-border-width');
         minSize += borderWidth * 2;
         natSize += borderWidth * 2;
-        if ((!isWidth && (this._arrowSide == St.Side.TOP || this._arrowSide == St.Side.BOTTOM))
-            || (isWidth && (this._arrowSide == St.Side.LEFT || this._arrowSide == St.Side.RIGHT))) {
+        if ((!isWidth && (this._arrowSide == St.Side.TOP || this._arrowSide == St.Side.BOTTOM)) ||
+            (isWidth && (this._arrowSide == St.Side.LEFT || this._arrowSide == St.Side.RIGHT))) {
             let rise = themeNode.get_length('-arrow-rise');
             minSize += rise;
             natSize += rise;

js/ui/calendar.js

@@ -313,8 +313,10 @@ var DBusEventSource = class DBusEventSource {
 };
 Signals.addSignalMethods(DBusEventSource.prototype);
 
-var Calendar = class Calendar {
-    constructor() {
+var Calendar = GObject.registerClass({
+    Signals: { 'selected-date-changed': { param_types: [GLib.DateTime.$gtype] } }
+}, class Calendar extends St.Widget {
+    _init() {
         this._weekStart = Shell.util_get_week_start();
         this._settings = new Gio.Settings({ schema_id: 'org.gnome.desktop.calendar' });
 
@@ -344,12 +346,11 @@ var Calendar = class Calendar {
 
         this._shouldDateGrabFocus = false;
 
-        this.actor = new St.Widget({ style_class: 'calendar',
-                                     layout_manager: new Clutter.TableLayout(),
-                                     reactive: true });
-
-        this.actor.connect('scroll-event',
-                           this._onScroll.bind(this));
+        super._init({
+            style_class: 'calendar',
+            layout_manager: new Clutter.TableLayout(),
+            reactive: true
+        });
 
         this._buildHeader ();
     }
@@ -373,7 +374,10 @@ var Calendar = class Calendar {
 
         this._selectedDate = date;
         this._update();
-        this.emit('selected-date-changed', new Date(this._selectedDate));
+
+        let datetime = GLib.DateTime.new_from_unix_local(
+            this._selectedDate.getTime() / 1000);
+        this.emit('selected-date-changed', datetime);
     }
 
     updateTimeZone() {
@@ -384,9 +388,9 @@ var Calendar = class Calendar {
     }
 
     _buildHeader() {
-        let layout = this.actor.layout_manager;
+        let layout = this.layout_manager;
         let offsetCols = this._useWeekdate ? 1 : 0;
-        this.actor.destroy_all_children();
+        this.destroy_all_children();
 
         // Top line of the calendar '<| September 2009 |>'
         this._topBox = new St.BoxLayout();
@@ -428,7 +432,7 @@ var Calendar = class Calendar {
                                        can_focus: true });
             label.accessible_name = iter.toLocaleFormat('%A');
             let col;
-            if (this.actor.get_text_direction() == Clutter.TextDirection.RTL)
+            if (this.get_text_direction() == Clutter.TextDirection.RTL)
                 col = 6 - (7 + iter.getDay() - this._weekStart) % 7;
             else
                 col = offsetCols + (7 + iter.getDay() - this._weekStart) % 7;
@@ -437,11 +441,11 @@ var Calendar = class Calendar {
         }
 
         // All the children after this are days, and get removed when we update the calendar
-        this._firstDayIndex = this.actor.get_n_children();
+        this._firstDayIndex = this.get_n_children();
     }
 
-    _onScroll(actor, event) {
-        switch (event.get_scroll_direction()) {
+    vfunc_scroll_event(scrollEvent) {
+        switch (scrollEvent.direction) {
         case Clutter.ScrollDirection.UP:
         case Clutter.ScrollDirection.LEFT:
             this._onPrevMonthButtonClicked();
@@ -511,7 +515,7 @@ var Calendar = class Calendar {
         let now = new Date();
 
         // Remove everything but the topBox and the weekday labels
-        let children = this.actor.get_children();
+        let children = this.get_children();
         for (let i = this._firstDayIndex; i < children.length; i++)
             children[i].destroy();
 
@@ -548,7 +552,7 @@ var Calendar = class Calendar {
 
         beginDate.setTime(beginDate.getTime() - (weekPadding + daysToWeekStart) * MSECS_IN_DAY);
 
-        let layout = this.actor.layout_manager;
+        let layout = this.layout_manager;
         let iter = new Date(beginDate);
         let row = 2;
         // nRows here means 6 weeks + one header + one navbar
@@ -581,8 +585,9 @@ var Calendar = class Calendar {
             if (row == 2)
                 styleClass = `calendar-day-top ${styleClass}`;
 
-            let leftMost = rtl ? iter.getDay() == (this._weekStart + 6) % 7
-                               : iter.getDay() == this._weekStart;
+            let leftMost = rtl
+                ? iter.getDay() == (this._weekStart + 6) % 7
+                : iter.getDay() == this._weekStart;
             if (leftMost)
                 styleClass = `calendar-day-left ${styleClass}`;
 
@@ -647,12 +652,12 @@ var Calendar = class Calendar {
             }
         });
     }
-};
-Signals.addSignalMethods(Calendar.prototype);
+});
 
-var EventMessage = class EventMessage extends MessageList.Message {
-    constructor(event, date) {
-        super('', event.summary);
+var EventMessage = GObject.registerClass(
+class EventMessage extends MessageList.Message {
+    _init(event, date) {
+        super._init('', event.summary);
 
         this._event = event;
         this._date = date;
@@ -661,11 +666,12 @@ var EventMessage = class EventMessage extends MessageList.Message {
 
         this._icon = new St.Icon({ icon_name: 'x-office-calendar-symbolic' });
         this.setIcon(this._icon);
+    }
 
-        this.actor.connect('style-changed', () => {
-            let iconVisible = this.actor.get_parent().has_style_pseudo_class('first-child');
-            this._icon.opacity = (iconVisible ? 255 : 0);
-        });
+    vfunc_style_changed() {
+        let iconVisible = this.get_parent().has_style_pseudo_class('first-child');
+        this._icon.opacity = (iconVisible ? 255 : 0);
+        super.vfunc_style_changed();
     }
 
     _formatEventTime() {
@@ -680,8 +686,9 @@ var EventMessage = class EventMessage extends MessageList.Message {
              */
             title = C_("event list time", "All Day");
         } else {
-            let date = this._event.date >= periodBegin ? this._event.date
-                                                       : this._event.end;
+            let date = this._event.date >= periodBegin
+                ? this._event.date
+                : this._event.end;
             title = Util.formatTime(date, { timeOnly: true });
         }
 
@@ -700,12 +707,12 @@ var EventMessage = class EventMessage extends MessageList.Message {
         }
         return title;
     }
-};
+});
 
-var NotificationMessage =
+var NotificationMessage = GObject.registerClass(
 class NotificationMessage extends MessageList.Message {
-    constructor(notification) {
-        super(notification.title, notification.bannerBodyText);
+    _init(notification) {
+        super._init(notification.title, notification.bannerBodyText);
         this.setUseBodyMarkup(notification.bannerBodyMarkup);
 
         this.notification = notification;
@@ -742,7 +749,7 @@ class NotificationMessage extends MessageList.Message {
         this.setUseBodyMarkup(n.bannerBodyMarkup);
     }
 
-    _onClicked() {
+    vfunc_clicked() {
         this.notification.activate();
     }
 
@@ -764,11 +771,12 @@ class NotificationMessage extends MessageList.Message {
     canClose() {
         return true;
     }
-};
+});
 
-var EventsSection = class EventsSection extends MessageList.MessageListSection {
-    constructor() {
-        super();
+var EventsSection = GObject.registerClass(
+class EventsSection extends MessageList.MessageListSection {
+    _init() {
+        super._init();
 
         this._desktopSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.interface' });
         this._desktopSettings.connect('changed', this._reloadEvents.bind(this));
@@ -780,7 +788,7 @@ var EventsSection = class EventsSection extends MessageList.MessageListSection {
                                       label: '',
                                       x_align: St.Align.START,
                                       can_focus: true });
-        this.actor.insert_child_below(this._title, null);
+        this.insert_child_below(this._title, null);
 
         this._title.connect('clicked', this._onTitleClicked.bind(this));
         this._title.connect('key-focus-in', this._onKeyFocusIn.bind(this));
@@ -899,12 +907,29 @@ var EventsSection = class EventsSection extends MessageList.MessageListSection {
 
         super._sync();
     }
-};
+});
 
-var NotificationSection =
+var TimeLabel = GObject.registerClass(
+class NotificationTimeLabel extends St.Label {
+    _init(datetime) {
+        super._init({
+            style_class: 'event-time',
+            x_align: Clutter.ActorAlign.START,
+            y_align: Clutter.ActorAlign.END
+        });
+        this._datetime = datetime;
+    }
+
+    vfunc_map() {
+        this.text = Util.formatTimeSpan(this._datetime);
+        super.vfunc_map();
+    }
+});
+
+var NotificationSection = GObject.registerClass(
 class NotificationSection extends MessageList.MessageListSection {
-    constructor() {
-        super();
+    _init() {
+        super._init();
 
         this._sources = new Map();
         this._nUrgent = 0;
@@ -913,8 +938,6 @@ class NotificationSection extends MessageList.MessageListSection {
         Main.messageTray.getSources().forEach(source => {
             this._sourceAdded(Main.messageTray, source);
         });
-
-        this.actor.connect('notify::mapped', this._onMapped.bind(this));
     }
 
     get allowed() {
@@ -922,17 +945,6 @@ class NotificationSection extends MessageList.MessageListSection {
                !Main.sessionMode.isGreeter;
     }
 
-    _createTimeLabel(datetime) {
-        let label = new St.Label({ style_class: 'event-time',
-                                   x_align: Clutter.ActorAlign.START,
-                                   y_align: Clutter.ActorAlign.END });
-        label.connect('notify::mapped', () => {
-            if (label.mapped)
-                label.text = Util.formatTimeSpan(datetime);
-        });
-        return label;
-    }
-
     _sourceAdded(tray, source) {
         let obj = {
             destroyId: 0,
@@ -950,13 +962,13 @@ class NotificationSection extends MessageList.MessageListSection {
 
     _onNotificationAdded(source, notification) {
         let message = new NotificationMessage(notification);
-        message.setSecondaryActor(this._createTimeLabel(notification.datetime));
+        message.setSecondaryActor(new TimeLabel(notification.datetime));
 
         let isUrgent = notification.urgency == MessageTray.Urgency.CRITICAL;
 
         let updatedId = notification.connect('updated', () => {
-            message.setSecondaryActor(this._createTimeLabel(notification.datetime));
-            this.moveMessage(message, isUrgent ? 0 : this._nUrgent, this.actor.mapped);
+            message.setSecondaryActor(new TimeLabel(notification.datetime));
+            this.moveMessage(message, isUrgent ? 0 : this._nUrgent, this.mapped);
         });
         let destroyId = notification.connect('destroy', () => {
             notification.disconnect(destroyId);
@@ -976,7 +988,7 @@ class NotificationSection extends MessageList.MessageListSection {
         }
 
         let index = isUrgent ? 0 : this._nUrgent;
-        this.addMessageAtIndex(message, index, this.actor.mapped);
+        this.addMessageAtIndex(message, index, this.mapped);
     }
 
     _onSourceDestroy(source, obj) {
@@ -986,25 +998,23 @@ class NotificationSection extends MessageList.MessageListSection {
         this._sources.delete(source);
     }
 
-    _onMapped() {
-        if (!this.actor.mapped)
-            return;
-
-        for (let message of this._messages.keys())
+    vfunc_map() {
+        this._messages.forEach(message => {
             if (message.notification.urgency != MessageTray.Urgency.CRITICAL)
                 message.notification.acknowledged = true;
+        });
+        super.vfunc_map();
     }
 
     _shouldShow() {
         return !this.empty && isToday(this._date);
     }
-};
-
-var Placeholder = class Placeholder {
-    constructor() {
-        this.actor = new St.BoxLayout({ style_class: 'message-list-placeholder',
-                                        vertical: true });
+});
 
+var Placeholder = GObject.registerClass(
+class Placeholder extends St.BoxLayout {
+    _init() {
+        super._init({ style_class: 'message-list-placeholder', vertical: true });
         this._date = new Date();
 
         let todayFile = Gio.File.new_for_uri('resource:///org/gnome/shell/theme/no-notifications.svg');
@@ -1013,10 +1023,10 @@ var Placeholder = class Placeholder {
         this._otherIcon = new Gio.FileIcon({ file: otherFile });
 
         this._icon = new St.Icon();
-        this.actor.add_actor(this._icon);
+        this.add_actor(this._icon);
 
         this._label = new St.Label();
-        this.actor.add_actor(this._label);
+        this.add_actor(this._label);
 
         this._sync();
     }
@@ -1043,20 +1053,24 @@ var Placeholder = class Placeholder {
             this._label.text = _("No Events");
         }
     }
-};
+});
 
-var CalendarMessageList = class CalendarMessageList {
-    constructor() {
-        this.actor = new St.Widget({ style_class: 'message-list',
-                                     layout_manager: new Clutter.BinLayout(),
-                                     x_expand: true, y_expand: true });
+var CalendarMessageList = GObject.registerClass(
+class CalendarMessageList extends St.Widget {
+    _init() {
+        super._init({
+            style_class: 'message-list',
+            layout_manager: new Clutter.BinLayout(),
+            x_expand: true,
+            y_expand: true
+        });
 
         this._placeholder = new Placeholder();
-        this.actor.add_actor(this._placeholder.actor);
+        this.add_actor(this._placeholder);
 
         let box = new St.BoxLayout({ vertical: true,
                                      x_expand: true, y_expand: true });
-        this.actor.add_actor(box);
+        this.add_actor(box);
 
         this._scrollView = new St.ScrollView({ style_class: 'vfade',
                                                overlay_scrollbars: true,
@@ -1070,12 +1084,11 @@ var CalendarMessageList = class CalendarMessageList {
                                             can_focus: true });
         this._clearButton.set_x_align(Clutter.ActorAlign.END);
         this._clearButton.connect('clicked', () => {
-            let sections = [...this._sections.keys()];
-            sections.forEach((s) => s.clear());
+            this._sectionList.get_children().forEach(s => s.clear());
         });
         box.add_actor(this._clearButton);
 
-        this._placeholder.actor.bind_property('visible',
+        this._placeholder.bind_property('visible',
             this._clearButton, 'visible',
             GObject.BindingFlags.INVERT_BOOLEAN);
 
@@ -1083,8 +1096,9 @@ var CalendarMessageList = class CalendarMessageList {
                                                vertical: true,
                                                y_expand: true,
                                                y_align: Clutter.ActorAlign.START });
+        this._sectionList.connect('actor-added', this._sync.bind(this));
+        this._sectionList.connect('actor-removed', this._sync.bind(this));
         this._scrollView.add_actor(this._sectionList);
-        this._sections = new Map();
 
         this._mediaSection = new Mpris.MediaSection();
         this._addSection(this._mediaSection);
@@ -1099,58 +1113,35 @@ var CalendarMessageList = class CalendarMessageList {
     }
 
     _addSection(section) {
-        let obj = {
-            destroyId: 0,
-            visibleId: 0,
-            emptyChangedId: 0,
-            canClearChangedId: 0,
-            keyFocusId: 0
-        };
-        obj.destroyId = section.actor.connect('destroy', () => {
-            this._removeSection(section);
-        });
-        obj.visibleId = section.actor.connect('notify::visible',
-                                              this._sync.bind(this));
-        obj.emptyChangedId = section.connect('empty-changed',
-                                             this._sync.bind(this));
-        obj.canClearChangedId = section.connect('can-clear-changed',
-                                                this._sync.bind(this));
-        obj.keyFocusId = section.connect('key-focus-in',
-                                         this._onKeyFocusIn.bind(this));
+        let connectionsIds = [];
 
-        this._sections.set(section, obj);
-        this._sectionList.add_actor(section.actor);
-        this._sync();
-    }
+        for (let prop of ['visible', 'empty', 'can-clear']) {
+            connectionsIds.push(
+                section.connect(`notify::${prop}`, this._sync.bind(this)));
+        }
+        connectionsIds.push(section.connect('message-focused', (_s, messageActor) => {
+            Util.ensureActorVisibleInScrollView(this._scrollView, messageActor);
+        }));
 
-    _removeSection(section) {
-        let obj = this._sections.get(section);
-        section.actor.disconnect(obj.destroyId);
-        section.actor.disconnect(obj.visibleId);
-        section.disconnect(obj.emptyChangedId);
-        section.disconnect(obj.canClearChangedId);
-        section.disconnect(obj.keyFocusId);
+        connectionsIds.push(section.connect('destroy', (section) => {
+            connectionsIds.forEach(id => section.disconnect(id));
+            this._sectionList.remove_actor(section);
+        }));
 
-        this._sections.delete(section);
-        this._sectionList.remove_actor(section.actor);
-        this._sync();
-    }
-
-    _onKeyFocusIn(section, actor) {
-        Util.ensureActorVisibleInScrollView(this._scrollView, actor);
+        this._sectionList.add_actor(section);
     }
 
     _sync() {
-        let sections = [...this._sections.keys()];
+        let sections = this._sectionList.get_children();
         let visible = sections.some(s => s.allowed);
-        this.actor.visible = visible;
+        this.visible = visible;
         if (!visible)
             return;
 
-        let empty = sections.every(s => s.empty || !s.actor.visible);
-        this._placeholder.actor.visible = empty;
+        let empty = sections.every(s => s.empty || !s.visible);
+        this._placeholder.visible = empty;
 
-        let canClear = sections.some(s => s.canClear && s.actor.visible);
+        let canClear = sections.some(s => s.canClear && s.visible);
         this._clearButton.reactive = canClear;
     }
 
@@ -1159,8 +1150,7 @@ var CalendarMessageList = class CalendarMessageList {
     }
 
     setDate(date) {
-        for (let section of this._sections.keys())
-            section.setDate(date);
+        this._sectionList.get_children().forEach(s => s.setDate(date));
         this._placeholder.setDate(date);
     }
-};
+});

js/ui/checkBox.js

@@ -1,16 +1,19 @@
 /* exported CheckBox */
-const { Clutter, Pango, St } = imports.gi;
+const { Clutter, GObject, Pango, St } = imports.gi;
 
-var CheckBox = class CheckBox {
-    constructor(label) {
+var CheckBox = GObject.registerClass(
+class CheckBox extends St.Button {
+    _init(label) {
         let container = new St.BoxLayout();
-        this.actor = new St.Button({ style_class: 'check-box',
-                                     child: container,
-                                     button_mask: St.ButtonMask.ONE,
-                                     toggle_mode: true,
-                                     can_focus: true,
-                                     x_fill: true,
-                                     y_fill: true });
+        super._init({
+            style_class: 'check-box',
+            child: container,
+            button_mask: St.ButtonMask.ONE,
+            toggle_mode: true,
+            can_focus: true,
+            x_fill: true,
+            y_fill: true
+        });
 
         this._box = new St.Bin();
         this._box.set_y_align(Clutter.ActorAlign.START);
@@ -32,4 +35,4 @@ var CheckBox = class CheckBox {
     getLabelActor() {
         return this._label;
     }
-};
+});

js/ui/components/automountManager.js

@@ -156,7 +156,7 @@ var AutomountManager = class {
             !volume.should_automount() ||
             !volume.can_mount()) {
             // allow the autorun to run anyway; this can happen if the
-            // mount gets added programmatically later, even if 
+            // mount gets added programmatically later, even if
             // should_automount() or can_mount() are false, like for
             // blank optical media.
             this._allowAutorun(volume);
@@ -222,14 +222,14 @@ var AutomountManager = class {
             GLib.source_remove(volume._allowAutorunExpireId);
             delete volume._allowAutorunExpireId;
         }
-        this._volumeQueue = 
+        this._volumeQueue =
             this._volumeQueue.filter(element => (element != volume));
     }
 
     _reaskPassword(volume) {
         let prevOperation = this._activeOperations.get(volume);
         let existingDialog = prevOperation ? prevOperation.borrowDialog() : null;
-        let operation = 
+        let operation =
             new ShellMountOperation.ShellMountOperation(volume,
                                                         { existingDialog: existingDialog });
         this._mountVolume(volume, operation);

js/ui/components/autorunManager.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Component */
 
-const { Gio, St } = imports.gi;
+const { Gio, GObject, St } = imports.gi;
 
 const GnomeSession = imports.misc.gnomeSession;
 const Main = imports.ui.main;
@@ -63,7 +63,7 @@ function startAppForMount(app, mount) {
     files.push(root);
 
     try {
-        retval = app.launch(files, 
+        retval = app.launch(files,
                             global.create_app_launch_context(0, -1));
     } catch (e) {
         log(`Unable to launch the application ${app.get_name()}: ${e}`);
@@ -72,8 +72,6 @@ function startAppForMount(app, mount) {
     return retval;
 }
 
-/******************************************/
-
 const HotplugSnifferIface = loadInterfaceXML('org.gnome.Shell.HotplugSniffer');
 const HotplugSnifferProxy = Gio.DBusProxy.makeProxyWrapper(HotplugSnifferIface);
 function HotplugSniffer() {
@@ -117,9 +115,9 @@ var ContentTypeDiscoverer = class {
 
             let hotplugSniffer = new HotplugSniffer();
             hotplugSniffer.SniffURIRemote(root.get_uri(),
-                 ([contentTypes]) => {
-                     this._emitCallback(mount, contentTypes);
-                 });
+                ([contentTypes]) => {
+                    this._emitCallback(mount, contentTypes);
+                });
         }
     }
 
@@ -215,11 +213,11 @@ var AutorunDispatcher = class {
     }
 
     _addSource(mount, apps) {
-        // if we already have a source showing for this 
+        // if we already have a source showing for this
         // mount, return
         if (this._getSourceForMount(mount))
             return;
-     
+
         // add a new source
         this._sources.push(new AutorunSource(this._manager, mount, apps));
     }
@@ -264,7 +262,7 @@ var AutorunDispatcher = class {
 
     removeMount(mount) {
         let source = this._getSourceForMount(mount);
-        
+
         // if we aren't tracking this mount, don't do anything
         if (!source)
             return;
@@ -274,9 +272,10 @@ var AutorunDispatcher = class {
     }
 };
 
-var AutorunSource = class extends MessageTray.Source {
-    constructor(manager, mount, apps) {
-        super(mount.get_name());
+var AutorunSource = GObject.registerClass(
+class AutorunSource extends MessageTray.Source {
+    _init(manager, mount, apps) {
+        super._init(mount.get_name());
 
         this._manager = manager;
         this.mount = mount;
@@ -286,7 +285,7 @@ var AutorunSource = class extends MessageTray.Source {
 
         // add ourselves as a source, and popup the notification
         Main.messageTray.add(this);
-        this.notify(this._notification);
+        this.showNotification(this._notification);
     }
 
     getIcon() {
@@ -296,11 +295,12 @@ var AutorunSource = class extends MessageTray.Source {
     _createPolicy() {
         return new MessageTray.NotificationApplicationPolicy('org.gnome.Nautilus');
     }
-};
+});
 
-var AutorunNotification = class extends MessageTray.Notification {
-    constructor(manager, source) {
-        super(source, source.title);
+var AutorunNotification = GObject.registerClass(
+class AutorunNotification extends MessageTray.Notification {
+    _init(manager, source) {
+        super._init(source, source.title);
 
         this._manager = manager;
         this._mount = source.mount;
@@ -352,6 +352,6 @@ var AutorunNotification = class extends MessageTray.Notification {
         let app = Gio.app_info_get_default_for_type('inode/directory', false);
         startAppForMount(app, this._mount);
     }
-};
+});
 
 var Component = AutorunManager;

js/ui/components/keyring.js

@@ -77,13 +77,13 @@ class KeyringDialog extends ModalDialog.ModalDialog {
             this._workSpinner = new Animation.Spinner(WORK_SPINNER_ICON_SIZE, true);
 
             if (rtl) {
-                layout.attach(this._workSpinner.actor, 0, row, 1, 1);
+                layout.attach(this._workSpinner, 0, row, 1, 1);
                 layout.attach(this._passwordEntry, 1, row, 1, 1);
                 layout.attach(label, 2, row, 1, 1);
             } else {
                 layout.attach(label, 0, row, 1, 1);
                 layout.attach(this._passwordEntry, 1, row, 1, 1);
-                layout.attach(this._workSpinner.actor, 2, row, 1, 1);
+                layout.attach(this._workSpinner, 2, row, 1, 1);
             }
             row++;
         } else {
@@ -121,8 +121,8 @@ class KeyringDialog extends ModalDialog.ModalDialog {
         if (this.prompt.choice_visible) {
             let choice = new CheckBox.CheckBox();
             this.prompt.bind_property('choice-label', choice.getLabelActor(), 'text', GObject.BindingFlags.SYNC_CREATE);
-            this.prompt.bind_property('choice-chosen', choice.actor, 'checked', GObject.BindingFlags.SYNC_CREATE | GObject.BindingFlags.BIDIRECTIONAL);
-            layout.attach(choice.actor, rtl ? 0 : 1, row, 1, 1);
+            this.prompt.bind_property('choice-chosen', choice, 'checked', GObject.BindingFlags.SYNC_CREATE | GObject.BindingFlags.BIDIRECTIONAL);
+            layout.attach(choice, rtl ? 0 : 1, row, 1, 1);
             row++;
         }
 
@@ -232,8 +232,9 @@ var KeyringPrompter = class {
     constructor() {
         this._prompter = new Gcr.SystemPrompter();
         this._prompter.connect('new-prompt', () => {
-            let dialog = this._enabled ? new KeyringDialog()
-                                       : new KeyringDummyDialog();
+            let dialog = this._enabled
+                ? new KeyringDialog()
+                : new KeyringDummyDialog();
             this._currentPrompt = dialog.prompt;
             return this._currentPrompt;
         });

js/ui/components/networkAgent.js

@@ -164,9 +164,9 @@ class NetworkSecretDialog extends ModalDialog.ModalDialog {
         if (value.length == 64) {
             // must be composed of hexadecimal digits only
             for (let i = 0; i < 64; i++) {
-                if (!((value[i] >= 'a' && value[i] <= 'f')
-                      || (value[i] >= 'A' && value[i] <= 'F')
-                      || (value[i] >= '0' && value[i] <= '9')))
+                if (!((value[i] >= 'a' && value[i] <= 'f') ||
+                      (value[i] >= 'A' && value[i] <= 'F') ||
+                      (value[i] >= '0' && value[i] <= '9')))
                     return false;
             }
             return true;
@@ -180,15 +180,15 @@ class NetworkSecretDialog extends ModalDialog.ModalDialog {
         if (secret.wep_key_type == NM.WepKeyType.KEY) {
             if (value.length == 10 || value.length == 26) {
                 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')))
+                    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++) {
-                    if (!((value[i] >= 'a' && value[i] <= 'z')
-                          || (value[i] >= 'A' && value[i] <= 'Z')))
+                    if (!((value[i] >= 'a' && value[i] <= 'z') ||
+                          (value[i] >= 'A' && value[i] <= 'Z')))
                         return false;
                 }
             } else {
@@ -213,6 +213,7 @@ class NetworkSecretDialog extends ModalDialog.ModalDialog {
         // First the easy ones
         case 'wpa-none':
         case 'wpa-psk':
+        case 'sae':
             secrets.push({ label: _("Password: "), key: 'psk',
                            value: wirelessSecuritySetting.psk || '',
                            validate: this._validateWpaPsk, password: true });
@@ -624,7 +625,7 @@ 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);
+            monitor.connect('changed', () => (this._vpnCacheBuilt = false));
         } catch (e) {
             log(`Failed to create monitor for VPN plugin dir: ${e.message}`);
         }
@@ -733,7 +734,7 @@ var NetworkAgent = class {
         });
 
         Main.messageTray.add(source);
-        source.notify(notification);
+        source.showNotification(notification);
     }
 
     _newRequest(agent, requestId, connection, settingName, hints, flags) {

js/ui/components/polkitAgent.js

@@ -76,8 +76,8 @@ var AuthenticationDialog = GObject.registerClass({
             this._userAvatar = new UserWidget.Avatar(this._user,
                                                      { iconSize: DIALOG_ICON_SIZE,
                                                        styleClass: 'polkit-dialog-user-icon' });
-            this._userAvatar.actor.hide();
-            userBox.add(this._userAvatar.actor,
+            this._userAvatar.hide();
+            userBox.add(this._userAvatar,
                         { x_fill: true,
                           y_fill: false,
                           x_align: St.Align.END,
@@ -106,7 +106,7 @@ var AuthenticationDialog = GObject.registerClass({
                               { expand: true });
 
         this._workSpinner = new Animation.Spinner(WORK_SPINNER_ICON_SIZE, true);
-        this._passwordBox.add(this._workSpinner.actor);
+        this._passwordBox.add(this._workSpinner);
 
         this.setInitialKeyFocus(this._passwordEntry);
         this._passwordBox.hide();
@@ -305,7 +305,7 @@ var AuthenticationDialog = GObject.registerClass({
     _onUserChanged() {
         if (this._user.is_loaded && this._userAvatar) {
             this._userAvatar.update();
-            this._userAvatar.actor.show();
+            this._userAvatar.show();
         }
     }
 

js/ui/components/telepathyClient.js

@@ -215,7 +215,7 @@ class TelepathyClient extends Tp.BaseClient {
                 // We are already handling the channel, display the source
                 let source = this._chatSources[channel.get_object_path()];
                 if (source)
-                    source.notify();
+                    source.showNotification();
             }
         }
     }
@@ -266,9 +266,10 @@ class TelepathyClient extends Tp.BaseClient {
     }
 }) : null;
 
-var ChatSource = class extends MessageTray.Source {
-    constructor(account, conn, channel, contact, client) {
-        super(contact.get_alias());
+var ChatSource = HAVE_TP ? GObject.registerClass(
+class ChatSource extends MessageTray.Source {
+    _init(account, conn, channel, contact, client) {
+        super._init(contact.get_alias());
 
         this._account = account;
         this._contact = contact;
@@ -326,7 +327,7 @@ var ChatSource = class extends MessageTray.Source {
 
         // We ack messages when the user expands the new notification
         let id = this._banner.connect('expanded', this._ackMessages.bind(this));
-        this._banner.actor.connect('destroy', () => {
+        this._banner.connect('destroy', () => {
             this._banner.disconnect(id);
             this._banner = null;
         });
@@ -476,7 +477,7 @@ var ChatSource = class extends MessageTray.Source {
             this._notification.appendMessage(pendingMessages[i], true);
 
         if (pendingMessages.length > 0)
-            this.notify();
+            this.showNotification();
     }
 
     destroy(reason) {
@@ -553,7 +554,7 @@ var ChatSource = class extends MessageTray.Source {
 
     _notifyTimeout() {
         if (this._pendingMessages.length != 0)
-            this.notify();
+            this.showNotification();
 
         this._notifyTimeoutId = 0;
 
@@ -568,8 +569,8 @@ var ChatSource = class extends MessageTray.Source {
         this._notification.appendMessage(message);
     }
 
-    notify() {
-        super.notify(this._notification);
+    showNotification() {
+        super.showNotification(this._notification);
     }
 
     respond(text) {
@@ -583,7 +584,7 @@ var ChatSource = class extends MessageTray.Source {
 
         let msg = Tp.ClientMessage.new_text(type, text);
         this._channel.send_message_async(msg, 0, (src, result) => {
-            this._channel.send_message_finish(result); 
+            this._channel.send_message_finish(result);
         });
     }
 
@@ -625,12 +626,18 @@ var ChatSource = class extends MessageTray.Source {
         // 'pending-message-removed' for each one.
         this._channel.ack_all_pending_messages_async(null);
     }
-};
+}) : null;
 
-var ChatNotification = class extends MessageTray.Notification {
-    constructor(source) {
-        super(source, source.title, null,
-              { secondaryGIcon: source.getSecondaryIcon() });
+var ChatNotification = HAVE_TP ? GObject.registerClass({
+    Signals: {
+        'message-removed': { param_types: [Tp.Message.$gtype] },
+        'message-added': { param_types: [Tp.Message.$gtype] },
+        'timestamp-changed': { param_types: [Tp.Message.$gtype] },
+    }
+}, class ChatNotification extends MessageTray.Notification {
+    _init(source) {
+        super._init(source, source.title, null,
+            { secondaryGIcon: source.getSecondaryIcon() });
         this.setUrgency(MessageTray.Urgency.HIGH);
         this.setResident(true);
 
@@ -653,7 +660,7 @@ var ChatNotification = class extends MessageTray.Notification {
      *   sender: the name of the sender,
      *   timestamp: the time the message was sent
      *   direction: a #NotificationDirection
-     * 
+     *
      * @noTimestamp: Whether to add a timestamp. If %true, no timestamp
      *   will be added, regardless of the difference since the
      *   last timestamp
@@ -673,8 +680,8 @@ var ChatNotification = class extends MessageTray.Notification {
                         { datetime: GLib.DateTime.new_from_unix_local (message.timestamp),
                           bannerMarkup: true });
 
-        let group = (message.direction == NotificationDirection.RECEIVED ?
-                     'received' : 'sent');
+        let group = (message.direction == NotificationDirection.RECEIVED
+            ? 'received' : 'sent');
 
         this._append({ body: messageBody,
                        group: group,
@@ -696,8 +703,8 @@ var ChatNotification = class extends MessageTray.Notification {
         // SCROLLBACK_RECENT_LENGTH previous messages. Otherwise
         // we'll keep SCROLLBACK_IDLE_LENGTH messages.
 
-        let maxLength = (lastMessageTime < currentTime - SCROLLBACK_RECENT_TIME) ?
-            SCROLLBACK_IDLE_LENGTH : SCROLLBACK_RECENT_LENGTH;
+        let maxLength = (lastMessageTime < currentTime - SCROLLBACK_RECENT_TIME)
+            ? SCROLLBACK_IDLE_LENGTH : SCROLLBACK_RECENT_LENGTH;
 
         let filteredHistory = this.messages.filter(item => item.realMessage);
         if (filteredHistory.length > maxLength) {
@@ -782,7 +789,7 @@ var ChatNotification = class extends MessageTray.Notification {
 
         this._filterMessages();
     }
-};
+}) : null;
 
 var ChatLineBox = GObject.registerClass(
 class ChatLineBox extends St.BoxLayout {
@@ -792,9 +799,10 @@ class ChatLineBox extends St.BoxLayout {
     }
 });
 
-var ChatNotificationBanner = class extends MessageTray.NotificationBanner {
-    constructor(notification) {
-        super(notification);
+var ChatNotificationBanner = GObject.registerClass(
+class ChatNotificationBanner extends MessageTray.NotificationBanner {
+    _init(notification) {
+        super._init(notification);
 
         this._responseEntry = new St.Entry({ style_class: 'chat-response',
                                              x_expand: true,
@@ -879,8 +887,7 @@ var ChatNotificationBanner = class extends MessageTray.NotificationBanner {
     }
 
     _addMessage(message) {
-        let highlighter = new MessageList.URLHighlighter(message.body, true, true);
-        let body = highlighter.actor;
+        let body = new MessageList.URLHighlighter(message.body, true, true);
 
         let styles = message.styles;
         for (let i = 0; i < styles.length; i++)
@@ -968,6 +975,6 @@ var ChatNotificationBanner = class extends MessageTray.NotificationBanner {
             this.notification.source.setChatState(Tp.ChannelChatState.ACTIVE);
         }
     }
-};
+});
 
 var Component = TelepathyComponent;

js/ui/dash.js

@@ -1,8 +1,8 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Dash */
 
-const { Clutter, GLib, GObject, Meta, Shell, St } = imports.gi;
-const Signals = imports.signals;
+const { Clutter, GLib, GObject,
+        Graphene, Meta, Shell, St } = imports.gi;
 
 const AppDisplay = imports.ui.appDisplay;
 const AppFavorites = imports.ui.appFavorites;
@@ -23,9 +23,10 @@ function getAppFromSource(source) {
     }
 }
 
-var DashIcon = class DashIcon extends AppDisplay.AppIcon {
-    constructor(app) {
-        super(app, {
+var DashIcon = GObject.registerClass(
+class DashIcon extends AppDisplay.AppIcon {
+    _init(app) {
+        super._init(app, {
             setSizeManually: true,
             showLabel: false
         });
@@ -45,7 +46,7 @@ var DashIcon = class DashIcon extends AppDisplay.AppIcon {
     acceptDrop() {
         return false;
     }
-};
+});
 
 // A container like StBin, but taking the child's scale into account
 // when requesting a size
@@ -53,7 +54,7 @@ var DashItemContainer = GObject.registerClass(
 class DashItemContainer extends St.Widget {
     _init() {
         super._init({ style_class: 'dash-item-container',
-                      pivot_point: new Clutter.Point({ x: .5, y: .5 }),
+                      pivot_point: new Graphene.Point({ x: .5, y: .5 }),
                       scale_x: 0,
                       scale_y: 0,
                       opacity: 0,
@@ -330,8 +331,10 @@ class DashActor extends St.Widget {
 
 const baseIconSizes = [16, 22, 24, 32, 48, 64];
 
-var Dash = class Dash {
-    constructor() {
+var Dash = GObject.registerClass({
+    Signals: { 'icon-size-changed': {} }
+}, class Dash extends St.Bin {
+    _init() {
         this._maxHeight = -1;
         this.iconSize = 64;
         this._shownInitially = false;
@@ -359,11 +362,11 @@ var Dash = class Dash {
 
         this._container.add_actor(this._showAppsIcon);
 
-        this.actor = new St.Bin({ child: this._container });
-        this.actor.connect('notify::height', () => {
-            if (this._maxHeight != this.actor.height)
+        super._init({ child: this._container });
+        this.connect('notify::height', () => {
+            if (this._maxHeight != this.height)
                 this._queueRedisplay();
-            this._maxHeight = this.actor.height;
+            this._maxHeight = this.height;
         });
 
         this._workId = Main.initializeDeferredWork(this._box, this._redisplay.bind(this));
@@ -386,7 +389,7 @@ var Dash = class Dash {
 
         // Translators: this is the name of the dock/favorites area on
         // the left of the overview
-        Main.ctrlAltTabManager.addGroup(this.actor, _("Dash"), 'user-bookmarks-symbolic');
+        Main.ctrlAltTabManager.addGroup(this, _("Dash"), 'user-bookmarks-symbolic');
     }
 
     _onDragBegin() {
@@ -481,11 +484,11 @@ var Dash = class Dash {
                         });
 
         let item = new DashItemContainer();
-        item.setChild(appIcon.actor);
+        item.setChild(appIcon);
 
         // Override default AppIcon label_actor, now the
         // accessible_name is set at DashItemContainer.setLabelText
-        appIcon.actor.label_actor = null;
+        appIcon.label_actor = null;
         item.setLabelText(app.get_name());
 
         appIcon.icon.setIconSize(this.iconSize);
@@ -623,7 +626,7 @@ var Dash = class Dash {
             icon.icon.ease({
                 width: targetWidth,
                 height: targetHeight,
-                time: DASH_ANIMATION_TIME,
+                duration: DASH_ANIMATION_TIME,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD
             });
         }
@@ -703,8 +706,8 @@ var Dash = class Dash {
             }
 
             // App moved
-            let nextApp = newApps.length > newIndex + 1 ? newApps[newIndex + 1]
-                                                        : null;
+            let nextApp = newApps.length > newIndex + 1
+                ? newApps[newIndex + 1] : null;
             let insertHere = nextApp && nextApp == oldApp;
             let alreadyRemoved = removedActors.reduce((result, actor) => {
                 let removedApp = actor.child._delegate.app;
@@ -902,5 +905,4 @@ var Dash = class Dash {
 
         return true;
     }
-};
-Signals.addSignalMethods(Dash.prototype);
+});

js/ui/dateMenu.js

@@ -25,24 +25,26 @@ function _isToday(date) {
            now.getDate() == date.getDate();
 }
 
-var TodayButton = class TodayButton {
-    constructor(calendar) {
+function _gDateTimeToDate(datetime) {
+    return new Date(datetime.to_unix() * 1000 + datetime.get_microsecond() / 1000);
+}
+
+var TodayButton = GObject.registerClass(
+class TodayButton extends St.Button {
+    _init(calendar) {
         // Having the ability to go to the current date if the user is already
         // on the current date can be confusing. So don't make the button reactive
         // until the selected date changes.
-        this.actor = new St.Button({
+        super._init({
             style_class: 'datemenu-today-button',
             x_align: St.Align.START,
             x_expand: true,
             can_focus: true,
-            reactive: false,
-        });
-        this.actor.connect('clicked', () => {
-            this._calendar.setDate(new Date(), false);
+            reactive: false
         });
 
         let hbox = new St.BoxLayout({ vertical: true });
-        this.actor.add_actor(hbox);
+        this.add_actor(hbox);
 
         this._dayLabel = new St.Label({ style_class: 'day-label',
                                         x_align: Clutter.ActorAlign.START });
@@ -52,13 +54,17 @@ var TodayButton = class TodayButton {
         hbox.add_actor(this._dateLabel);
 
         this._calendar = calendar;
-        this._calendar.connect('selected-date-changed', (calendar, date) => {
+        this._calendar.connect('selected-date-changed', (_calendar, datetime) => {
             // Make the button reactive only if the selected date is not the
             // current date.
-            this.actor.reactive = !_isToday(date);
+            this.reactive = !_isToday(_gDateTimeToDate(datetime));
         });
     }
 
+    vfunc_clicked() {
+        this._calendar.setDate(new Date(), false);
+    }
+
     setDate(date) {
         this._dayLabel.set_text(date.toLocaleFormat('%A'));
 
@@ -75,34 +81,29 @@ var TodayButton = class TodayButton {
          * date, e.g. "Tuesday February 17 2015".
          */
         dateFormat = Shell.util_translate_time_string (N_("%A %B %e %Y"));
-        this.actor.accessible_name = date.toLocaleFormat(dateFormat);
+        this.accessible_name = date.toLocaleFormat(dateFormat);
     }
-};
+});
 
-var WorldClocksSection = class WorldClocksSection {
-    constructor() {
+var WorldClocksSection = GObject.registerClass(
+class WorldClocksSection extends St.Button {
+    _init() {
+        super._init({
+            style_class: 'world-clocks-button',
+            x_fill: true,
+            can_focus: true
+        });
         this._clock = new GnomeDesktop.WallClock();
         this._clockNotifyId = 0;
 
         this._locations = [];
 
-        this.actor = new St.Button({ style_class: 'world-clocks-button',
-                                     x_fill: true,
-                                     can_focus: true });
-        this.actor.connect('clicked', () => {
-            if (this._clocksApp)
-                this._clocksApp.activate();
-
-            Main.overview.hide();
-            Main.panel.closeCalendar();
-        });
-
         let layout = new Clutter.GridLayout({ orientation: Clutter.Orientation.VERTICAL });
         this._grid = new St.Widget({ style_class: 'world-clocks-grid',
                                      layout_manager: layout });
         layout.hookup_style(this._grid);
 
-        this.actor.child = this._grid;
+        this.child = this._grid;
 
         this._clocksApp = null;
         this._clocksProxy = new ClocksProxy(
@@ -125,9 +126,17 @@ var WorldClocksSection = class WorldClocksSection {
         this._sync();
     }
 
+    vfunc_clicked() {
+        if (this._clocksApp)
+            this._clocksApp.activate();
+
+        Main.overview.hide();
+        Main.panel.closeCalendar();
+    }
+
     _sync() {
         this._clocksApp = this._appSystem.lookup_app('org.gnome.clocks.desktop');
-        this.actor.visible = this._clocksApp != null;
+        this.visible = this._clocksApp != null;
     }
 
     _clocksChanged() {
@@ -148,13 +157,14 @@ var WorldClocksSection = class WorldClocksSection {
         });
 
         let layout = this._grid.layout_manager;
-        let title = (this._locations.length == 0) ? _("Add world clocks…")
-                                                  : _("World Clocks");
+        let title = (this._locations.length == 0)
+            ? _("Add world clocks…")
+            : _("World Clocks");
         let header = new St.Label({ style_class: 'world-clocks-header',
                                     x_align: Clutter.ActorAlign.START,
                                     text: title });
         layout.attach(header, 0, 0, 2, 1);
-        this.actor.label_actor = header;
+        this.label_actor = header;
 
         let localOffset = GLib.DateTime.new_now_local().get_utc_offset();
 
@@ -235,30 +245,23 @@ var WorldClocksSection = class WorldClocksSection {
         this._settings.set_value('locations',
             new GLib.Variant('av', this._clocksProxy.Locations));
     }
-};
+});
+
+var WeatherSection = GObject.registerClass(
+class WeatherSection extends St.Button {
+    _init() {
+        super._init({
+            style_class: 'weather-button',
+            x_fill: true,
+            can_focus: true
+        });
 
-var WeatherSection = class WeatherSection {
-    constructor() {
         this._weatherClient = new Weather.WeatherClient();
 
-        this.actor = new St.Button({ style_class: 'weather-button',
-                                     x_fill: true,
-                                     can_focus: true });
-        this.actor.connect('clicked', () => {
-            this._weatherClient.activateApp();
-
-            Main.overview.hide();
-            Main.panel.closeCalendar();
-        });
-        this.actor.connect('notify::mapped', () => {
-            if (this.actor.mapped)
-                this._weatherClient.update();
-        });
-
         let box = new St.BoxLayout({ style_class: 'weather-box',
                                      vertical: true });
 
-        this.actor.child = box;
+        this.child = box;
 
         let titleBox = new St.BoxLayout();
         titleBox.add_child(new St.Label({ style_class: 'weather-header',
@@ -281,6 +284,18 @@ var WeatherSection = class WeatherSection {
         this._sync();
     }
 
+    vfunc_map() {
+        this._weatherClient.update();
+        super.vfunc_map();
+    }
+
+    vfunc_clicked() {
+        this._weatherClient.activateApp();
+
+        Main.overview.hide();
+        Main.panel.closeCalendar();
+    }
+
     _getInfos() {
         let info = this._weatherClient.info;
         let forecasts = info.get_forecast_list();
@@ -371,23 +386,27 @@ var WeatherSection = class WeatherSection {
     }
 
     _sync() {
-        this.actor.visible = this._weatherClient.available;
+        this.visible = this._weatherClient.available;
 
-        if (!this.actor.visible)
+        if (!this.visible)
             return;
 
         this._titleLocation.visible = this._weatherClient.hasLocation;
 
         this._updateForecasts();
     }
-};
+});
 
-var MessagesIndicator = class MessagesIndicator {
-    constructor() {
-        this.actor = new St.Icon({ icon_name: 'message-indicator-symbolic',
-                                   icon_size: 16,
-                                   visible: false, y_expand: true,
-                                   y_align: Clutter.ActorAlign.CENTER });
+var MessagesIndicator = GObject.registerClass(
+class MessagesIndicator extends St.Icon {
+    _init() {
+        super._init({
+            icon_name: 'message-indicator-symbolic',
+            icon_size: 16,
+            visible: false,
+            y_expand: true,
+            y_align: Clutter.ActorAlign.CENTER
+        });
 
         this._sources = [];
 
@@ -400,7 +419,7 @@ var MessagesIndicator = class MessagesIndicator {
     }
 
     _onSourceAdded(tray, source) {
-        source.connect('count-updated', this._updateCount.bind(this));
+        source.connect('notify::count', this._updateCount.bind(this));
         this._sources.push(source);
         this._updateCount();
     }
@@ -412,12 +431,12 @@ 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);
+        this.visible = (count > 0);
     }
-};
+});
 
 var IndicatorPad = GObject.registerClass(
 class IndicatorPad extends St.Widget {
@@ -510,9 +529,9 @@ class DateMenuButton extends PanelMenu.Button {
         this._indicator = new MessagesIndicator();
 
         let box = new St.BoxLayout();
-        box.add_actor(new IndicatorPad(this._indicator.actor));
+        box.add_actor(new IndicatorPad(this._indicator));
         box.add_actor(this._clockDisplay);
-        box.add_actor(this._indicator.actor);
+        box.add_actor(this._indicator);
 
         this.label_actor = this._clockDisplay;
         this.add_actor(box);
@@ -528,11 +547,11 @@ class DateMenuButton extends PanelMenu.Button {
         bin.add_actor(hbox);
 
         this._calendar = new Calendar.Calendar();
-        this._calendar.connect('selected-date-changed',
-                               (calendar, date) => {
-                                   layout.frozen = !_isToday(date);
-                                   this._messageList.setDate(date);
-                               });
+        this._calendar.connect('selected-date-changed', (_calendar, datetime) => {
+            let date = _gDateTimeToDate(datetime);
+            layout.frozen = !_isToday(date);
+            this._messageList.setDate(date);
+        });
 
         this.menu.connect('open-state-changed', (menu, isOpen) => {
             // Whenever the menu is opened, select today
@@ -546,19 +565,19 @@ class DateMenuButton extends PanelMenu.Button {
 
         // Fill up the first column
         this._messageList = new Calendar.CalendarMessageList();
-        hbox.add(this._messageList.actor, { expand: true, y_fill: false, y_align: St.Align.START });
+        hbox.add(this._messageList, { expand: true, y_fill: false, y_align: St.Align.START });
 
         // Fill up the second column
-        let boxLayout = new CalendarColumnLayout(this._calendar.actor);
+        let boxLayout = new CalendarColumnLayout(this._calendar);
         vbox = new St.Widget({ style_class: 'datemenu-calendar-column',
                                layout_manager: boxLayout });
         boxLayout.hookup_style(vbox);
         hbox.add(vbox);
 
         this._date = new TodayButton(this._calendar);
-        vbox.add_actor(this._date.actor);
+        vbox.add_actor(this._date);
 
-        vbox.add_actor(this._calendar.actor);
+        vbox.add_actor(this._calendar);
 
         this._displaysSection = new St.ScrollView({ style_class: 'datemenu-displays-section vfade',
                                                     x_expand: true, x_fill: true,
@@ -571,10 +590,10 @@ class DateMenuButton extends PanelMenu.Button {
         this._displaysSection.add_actor(displaysBox);
 
         this._clocksItem = new WorldClocksSection();
-        displaysBox.add(this._clocksItem.actor, { x_fill: true });
+        displaysBox.add(this._clocksItem, { x_fill: true });
 
         this._weatherItem = new WeatherSection();
-        displaysBox.add(this._weatherItem.actor, { x_fill: true });
+        displaysBox.add(this._weatherItem, { x_fill: true });
 
         // Done with hbox for calendar and event list
 

js/ui/dnd.js

@@ -573,11 +573,15 @@ var _Draggable = class _Draggable {
         while (target) {
             if (target._delegate && target._delegate.acceptDrop) {
                 let [r_, targX, targY] = target.transform_stage_point(dropX, dropY);
-                if (target._delegate.acceptDrop(this.actor._delegate,
-                                                this._dragActor,
-                                                targX,
-                                                targY,
-                                                event.get_time())) {
+                let accepted = false;
+                try {
+                    accepted = target._delegate.acceptDrop(this.actor._delegate,
+                        this._dragActor, targX, targY, event.get_time());
+                } catch (e) {
+                    // On error, skip this target
+                    logError(e, "Skipping drag target");
+                }
+                if (accepted) {
                     // If it accepted the drop without taking the actor,
                     // handle it ourselves.
                     if (this._dragActor && this._dragActor.get_parent() == Main.uiGroup) {

js/ui/endSessionDialog.js

@@ -207,10 +207,10 @@ function _setCheckBoxLabel(checkBox, text) {
 
     if (text) {
         label.set_text(text);
-        checkBox.actor.show();
+        checkBox.show();
     } else {
         label.set_text('');
-        checkBox.actor.hide();
+        checkBox.hide();
     }
 }
 
@@ -297,8 +297,8 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
                             y_align: St.Align.START });
 
         this._checkBox = new CheckBox.CheckBox();
-        this._checkBox.actor.connect('clicked', this._sync.bind(this));
-        messageLayout.add(this._checkBox.actor);
+        this._checkBox.connect('clicked', this._sync.bind(this));
+        messageLayout.add(this._checkBox);
 
         this._batteryWarning = new St.Label({ style_class: 'end-session-dialog-warning',
                                               text: _("Running on battery power: please plug in before installing updates.") });
@@ -376,12 +376,12 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
         let subject = dialogContent.subject;
 
         // Use different title when we are installing updates
-        if (dialogContent.subjectWithUpdates && this._checkBox.actor.checked)
+        if (dialogContent.subjectWithUpdates && this._checkBox.checked)
             subject = dialogContent.subjectWithUpdates;
 
         if (dialogContent.showBatteryWarning) {
             // Warn when running on battery power
-            if (this._powerProxy.OnBattery && this._checkBox.actor.checked)
+            if (this._powerProxy.OnBattery && this._checkBox.checked)
                 this._batteryWarning.opacity = 255;
             else
                 this._batteryWarning.opacity = 0;
@@ -429,7 +429,7 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
             let avatarWidget = new UserWidget.Avatar(this._user,
                                                      { iconSize: _DIALOG_ICON_SIZE,
                                                        styleClass: dialogContent.iconStyleClass });
-            this._iconBin.child = avatarWidget.actor;
+            this._iconBin.child = avatarWidget;
             avatarWidget.update();
         }
 
@@ -485,13 +485,13 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
         };
 
         // Offline update not available; just emit the signal
-        if (!this._checkBox.actor.visible) {
+        if (!this._checkBox.visible) {
             callback();
             return;
         }
 
         // Trigger the offline update as requested
-        if (this._checkBox.actor.checked) {
+        if (this._checkBox.checked) {
             switch (signal) {
             case "ConfirmedReboot":
                 this._triggerOfflineUpdateReboot(callback);
@@ -656,7 +656,7 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
 
         let actor = new St.BoxLayout({ style_class: 'end-session-dialog-session-list-item',
                                        can_focus: true });
-        actor.add(avatar.actor);
+        actor.add(avatar);
 
         let nameLabel = new St.Label({ text: userLabelText,
                                        style_class: 'end-session-dialog-session-list-item-name',
@@ -754,14 +754,14 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
         let updatesAllowed = this._updatesPermission && this._updatesPermission.allowed;
 
         _setCheckBoxLabel(this._checkBox, dialogContent.checkBoxText || '');
-        this._checkBox.actor.visible = (dialogContent.checkBoxText && updatePrepared && updatesAllowed);
-        this._checkBox.actor.checked = (updatePrepared && updateTriggered);
+        this._checkBox.visible = (dialogContent.checkBoxText && updatePrepared && updatesAllowed);
+        this._checkBox.checked = (updatePrepared && updateTriggered);
 
         // We show the warning either together with the checkbox, or when
         // updates have already been triggered, but the user doesn't have
         // enough permissions to cancel them.
         this._batteryWarning.visible = (dialogContent.showBatteryWarning &&
-                                        (this._checkBox.actor.visible || updatePrepared && updateTriggered && !updatesAllowed));
+                                        (this._checkBox.visible || updatePrepared && updateTriggered && !updatesAllowed));
 
         this._updateButtons();
 

js/ui/environment.js

@@ -105,12 +105,20 @@ function _easeActor(actor, params) {
         actor.set_easing_delay(params.delay);
     delete params.delay;
 
+    let repeatCount = 0;
+    if (params.repeatCount != undefined)
+        repeatCount = params.repeatCount;
+    delete params.repeatCount;
+
+    let autoReverse = false;
+    if (params.autoReverse != undefined)
+        autoReverse = params.autoReverse;
+    delete params.autoReverse;
+
     if (params.mode != undefined)
         actor.set_easing_mode(params.mode);
     delete params.mode;
 
-    Meta.disable_unredirect_for_display(global.display);
-
     let cleanup = () => Meta.enable_unredirect_for_display(global.display);
     let callback = _makeEaseCallback(params, cleanup);
 
@@ -121,11 +129,20 @@ function _easeActor(actor, params) {
     actor.set(params);
     actor.restore_easing_state();
 
-    let transition = actor.get_transition(animatedProps[0]);
-    if (transition)
-        transition.connect('stopped', (t, finished) => callback(finished));
+    let transition = animatedProps.map(p => actor.get_transition(p))
+        .find(t => t !== null);
+
+    if (transition && transition.delay)
+        transition.connect('started', () => Meta.disable_unredirect_for_display(global.display));
     else
+        Meta.disable_unredirect_for_display(global.display);
+
+    if (transition) {
+        transition.set({ repeatCount, autoReverse });
+        transition.connect('stopped', (t, finished) => callback(finished));
+    } else {
         callback(true);
+    }
 }
 
 function _easeActorProperty(actor, propName, target, params) {
@@ -138,13 +155,21 @@ function _easeActorProperty(actor, propName, target, params) {
         params.duration = adjustAnimationTime(params.duration);
     let duration = Math.floor(params.duration || 0);
 
+    let repeatCount = 0;
+    if (params.repeatCount != undefined)
+        repeatCount = params.repeatCount;
+    delete params.repeatCount;
+
+    let autoReverse = false;
+    if (params.autoReverse != undefined)
+        autoReverse = params.autoReverse;
+    delete params.autoReverse;
+
     // Copy Clutter's behavior for implicit animations, see
     // should_skip_implicit_transition()
     if (actor instanceof Clutter.Actor && !actor.mapped)
         duration = 0;
 
-    Meta.disable_unredirect_for_display(global.display);
-
     let cleanup = () => Meta.enable_unredirect_for_display(global.display);
     let callback = _makeEaseCallback(params, cleanup);
 
@@ -155,6 +180,7 @@ function _easeActorProperty(actor, propName, target, params) {
         let [obj, prop] = _getPropertyTarget(actor, propName);
         obj[prop] = target;
 
+        Meta.disable_unredirect_for_display(global.display);
         callback(true);
 
         return;
@@ -164,12 +190,19 @@ function _easeActorProperty(actor, propName, target, params) {
     let transition = new Clutter.PropertyTransition(Object.assign({
         property_name: propName,
         interval: new Clutter.Interval({ value_type: pspec.value_type }),
-        remove_on_complete: true
+        remove_on_complete: true,
+        repeat_count: repeatCount,
+        auto_reverse: autoReverse,
     }, params));
     actor.add_transition(propName, transition);
 
     transition.set_to(target);
 
+    if (transition.delay)
+        transition.connect('started', () => Meta.disable_unredirect_for_display(global.display));
+    else
+        Meta.disable_unredirect_for_display(global.display);
+
     transition.connect('stopped', (t, finished) => callback(finished));
 }
 

js/ui/extensionSystem.js

@@ -286,7 +286,7 @@ var ExtensionManager = class {
     reloadExtension(oldExtension) {
         // Grab the things we'll need to pass to createExtensionObject
         // to reload it.
-        let { uuid: uuid, dir: dir, type: type } = oldExtension;
+        let { uuid, dir, type } = oldExtension;
 
         // Then unload the old extension.
         this.unloadExtension(oldExtension);

js/ui/ibusCandidatePopup.js

@@ -1,8 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported CandidatePopup */
 
-const { Clutter, IBus, St } = imports.gi;
-const Signals = imports.signals;
+const { Clutter, GObject, IBus, St } = imports.gi;
 
 const BoxPointer = imports.ui.boxpointer;
 const Main = imports.ui.main;
@@ -12,11 +11,23 @@ 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 CandidateArea = class CandidateArea {
-    constructor() {
-        this.actor = new St.BoxLayout({ vertical: true,
-                                        reactive: true,
-                                        visible: false });
+var CandidateArea = GObject.registerClass({
+    Signals: {
+        'candidate-clicked': { param_types: [GObject.TYPE_UINT,
+                                             GObject.TYPE_UINT,
+                                             Clutter.ModifierType.$gtype] },
+        'cursor-down': {},
+        'cursor-up': {},
+        'next-page': {},
+        'previous-page': {},
+    }
+}, class CandidateArea extends St.BoxLayout {
+    _init() {
+        super._init({
+            vertical: true,
+            reactive: true,
+            visible: false
+        });
         this._candidateBoxes = [];
         for (let i = 0; i < MAX_CANDIDATES_PER_PAGE; ++i) {
             let box = new St.BoxLayout({ style_class: 'candidate-box',
@@ -27,7 +38,7 @@ var CandidateArea = class CandidateArea {
             box.add(box._indexLabel, { y_fill: false });
             box.add(box._candidateLabel, { y_fill: false });
             this._candidateBoxes.push(box);
-            this.actor.add(box);
+            this.add(box);
 
             let j = i;
             box.connect('button-release-event', (actor, event) => {
@@ -36,19 +47,6 @@ var CandidateArea = class CandidateArea {
             });
         }
 
-        this.actor.connect('scroll-event', (actor, event) => {
-            let direction = event.get_scroll_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;
-        });
-
         this._buttonBox = new St.BoxLayout({ style_class: 'candidate-page-button-box' });
 
         this._previousButton = new St.Button({ style_class: 'candidate-page-button candidate-page-button-previous button' });
@@ -59,7 +57,7 @@ var CandidateArea = class CandidateArea {
         this._nextButton.child = new St.Icon({ style_class: 'candidate-page-button-icon' });
         this._buttonBox.add(this._nextButton, { expand: true });
 
-        this.actor.add(this._buttonBox);
+        this.add(this._buttonBox);
 
         this._previousButton.connect('clicked', () => {
             this.emit('previous-page');
@@ -72,6 +70,18 @@ var CandidateArea = class CandidateArea {
         this._cursorPosition = 0;
     }
 
+    vfunc_scroll_event(scrollEvent) {
+        switch (scrollEvent.direction) {
+        case Clutter.ScrollDirection.UP:
+            this.emit('cursor-up');
+            break;
+        case Clutter.ScrollDirection.DOWN:
+            this.emit('cursor-down');
+            break;
+        }
+        return Clutter.EVENT_PROPAGATE;
+    }
+
     setOrientation(orientation) {
         if (this._orientation == orientation)
             return;
@@ -79,15 +89,15 @@ var CandidateArea = class CandidateArea {
         this._orientation = orientation;
 
         if (this._orientation == IBus.Orientation.HORIZONTAL) {
-            this.actor.vertical = false;
-            this.actor.remove_style_class_name('vertical');
-            this.actor.add_style_class_name('horizontal');
+            this.vertical = false;
+            this.remove_style_class_name('vertical');
+            this.add_style_class_name('horizontal');
             this._previousButton.child.icon_name = 'go-previous-symbolic';
             this._nextButton.child.icon_name = 'go-next-symbolic';
         } else {                // VERTICAL || SYSTEM
-            this.actor.vertical = true;
-            this.actor.add_style_class_name('vertical');
-            this.actor.remove_style_class_name('horizontal');
+            this.vertical = true;
+            this.add_style_class_name('vertical');
+            this.remove_style_class_name('horizontal');
             this._previousButton.child.icon_name = 'go-up-symbolic';
             this._nextButton.child.icon_name = 'go-down-symbolic';
         }
@@ -121,19 +131,23 @@ var CandidateArea = class CandidateArea {
         this._previousButton.reactive = wrapsAround || page > 0;
         this._nextButton.reactive = wrapsAround || page < nPages - 1;
     }
-};
-Signals.addSignalMethods(CandidateArea.prototype);
+});
 
-var CandidatePopup = class CandidatePopup {
-    constructor() {
-        this._boxPointer = new BoxPointer.BoxPointer(St.Side.TOP);
-        this._boxPointer.visible = false;
-        this._boxPointer.style_class = 'candidate-popup-boxpointer';
-        Main.layoutManager.addChrome(this._boxPointer);
+var CandidatePopup = GObject.registerClass(
+class IbusCandidatePopup extends BoxPointer.BoxPointer {
+    _init() {
+        super._init(St.Side.TOP);
+        this.visible = false;
+        this.style_class = 'candidate-popup-boxpointer';
+
+        this._dummyCursor = new St.Widget({ opacity: 0 });
+        Main.layoutManager.uiGroup.add_actor(this._dummyCursor);
+
+        Main.layoutManager.addChrome(this);
 
         let box = new St.BoxLayout({ style_class: 'candidate-popup-content',
                                      vertical: true });
-        this._boxPointer.bin.set_child(box);
+        this.bin.set_child(box);
 
         this._preeditText = new St.Label({ style_class: 'candidate-popup-text',
                                            visible: false });
@@ -144,7 +158,7 @@ var CandidatePopup = class CandidatePopup {
         box.add(this._auxText);
 
         this._candidateArea = new CandidateArea();
-        box.add(this._candidateArea.actor);
+        box.add(this._candidateArea);
 
         this._candidateArea.connect('previous-page', () => {
             this._panelService.page_up();
@@ -222,7 +236,7 @@ var CandidatePopup = class CandidatePopup {
             this._updateVisibility();
         });
         panelService.connect('update-lookup-table', (_ps, lookupTable, visible) => {
-            this._candidateArea.actor.visible = visible;
+            this._candidateArea.visible = visible;
             this._updateVisibility();
 
             let nCandidates = lookupTable.get_number_of_candidates();
@@ -258,37 +272,39 @@ var CandidatePopup = class CandidatePopup {
             this._candidateArea.updateButtons(lookupTable.is_round(), page, nPages);
         });
         panelService.connect('show-lookup-table', () => {
-            this._candidateArea.actor.show();
+            this._candidateArea.show();
             this._updateVisibility();
         });
         panelService.connect('hide-lookup-table', () => {
-            this._candidateArea.actor.hide();
+            this._candidateArea.hide();
             this._updateVisibility();
         });
         panelService.connect('focus-out', () => {
-            this._boxPointer.close(BoxPointer.PopupAnimation.NONE);
+            this.close(BoxPointer.PopupAnimation.NONE);
             Main.keyboard.resetSuggestions();
         });
     }
 
     _setDummyCursorGeometry(x, y, w, h) {
-        Main.layoutManager.setDummyCursorGeometry(x, y, w, h);
-        if (this._boxPointer.visible)
-            this._boxPointer.setPosition(Main.layoutManager.dummyCursor, 0);
+        this._dummyCursor.set_position(Math.round(x), Math.round(y));
+        this._dummyCursor.set_size(Math.round(w), Math.round(h));
+
+        if (this.visible)
+            this.setPosition(this._dummyCursor, 0);
     }
 
     _updateVisibility() {
         let isVisible = (!Main.keyboard.visible &&
                          (this._preeditText.visible ||
                           this._auxText.visible ||
-                          this._candidateArea.actor.visible));
+                          this._candidateArea.visible));
 
         if (isVisible) {
-            this._boxPointer.setPosition(Main.layoutManager.dummyCursor, 0);
-            this._boxPointer.open(BoxPointer.PopupAnimation.NONE);
-            this._boxPointer.raise_top();
+            this.setPosition(this._dummyCursor, 0);
+            this.open(BoxPointer.PopupAnimation.NONE);
+            this.raise_top();
         } else {
-            this._boxPointer.close(BoxPointer.PopupAnimation.NONE);
+            this.close(BoxPointer.PopupAnimation.NONE);
         }
     }
 
@@ -298,4 +314,4 @@ var CandidatePopup = class CandidatePopup {
             if (attr.get_attr_type() == IBus.AttrType.BACKGROUND)
                 clutterText.set_selection(attr.get_start_index(), attr.get_end_index());
     }
-};
+});

js/ui/iconGrid.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported BaseIcon, IconGrid, PaginatedIconGrid */
 
-const { Clutter, GLib, GObject, Meta, St } = imports.gi;
+const { Clutter, GLib, GObject, Graphene, Meta, St } = imports.gi;
 
 const Params = imports.misc.params;
 const Main = imports.ui.main;
@@ -142,6 +142,10 @@ class BaseIcon extends St.Bin {
         zoomOutActor(this.child);
     }
 
+    animateZoomOutAtPos(x, y) {
+        zoomOutActorAtPos(this.child, x, y);
+    }
+
     update() {
         this._createIconTexture(this.iconSize);
     }
@@ -152,10 +156,15 @@ function clamp(value, min, max) {
 }
 
 function zoomOutActor(actor) {
+    let [x, y] = actor.get_transformed_position();
+    zoomOutActorAtPos(actor, x, y);
+}
+
+function zoomOutActorAtPos(actor, x, y) {
     let actorClone = new Clutter.Clone({ source: actor,
                                          reactive: false });
     let [width, height] = actor.get_transformed_size();
-    let [x, y] = actor.get_transformed_position();
+
     actorClone.set_size(width, height);
     actorClone.set_position(x, y);
     actorClone.opacity = 255;
@@ -222,18 +231,18 @@ var IconGrid = GObject.registerClass({
         this._fixedHItemSize = this._fixedVItemSize = undefined;
         this.connect('style-changed', this._onStyleChanged.bind(this));
 
-        // Cancel animations when hiding the overview, to avoid icons
-        // swarming into the void ...
-        this.connect('notify::mapped', () => {
-            if (!this.mapped)
-                this._resetAnimationActors();
-        });
-
         this.connect('actor-added', this._childAdded.bind(this));
         this.connect('actor-removed', this._childRemoved.bind(this));
         this.connect('destroy', this._onDestroy.bind(this));
     }
 
+    vfunc_unmap() {
+        // Cancel animations when hiding the overview, to avoid icons
+        // swarming into the void ...
+        this._resetAnimationActors();
+        super.vfunc_unmap();
+    }
+
     _onDestroy() {
         if (this._updateIconSizesLaterId) {
             Meta.later_remove (this._updateIconSizesLaterId);
@@ -273,9 +282,9 @@ var IconGrid = GObject.registerClass({
             return [0, 0];
 
         let nChildren = this.get_n_children();
-        let nColumns = this._colLimit ? Math.min(this._colLimit,
-                                                 nChildren)
-                                      : nChildren;
+        let nColumns = this._colLimit
+            ? Math.min(this._colLimit, nChildren)
+            : nChildren;
         let totalSpacing = Math.max(0, nColumns - 1) * this._getSpacing();
         // Kind of a lie, but not really an issue right now.  If
         // we wanted to support some sort of hidden/overflow that would
@@ -393,7 +402,7 @@ var IconGrid = GObject.registerClass({
         let allocationBox = this.get_allocation_box();
         let paintBox = themeNode.get_paint_box(allocationBox);
 
-        let origin = new Clutter.Vertex();
+        let origin = new Graphene.Point3D();
         origin.x = paintBox.x1 - allocationBox.x1;
         origin.y = paintBox.y1 - allocationBox.y1;
         origin.z = 0.0;
@@ -708,13 +717,13 @@ var IconGrid = GObject.registerClass({
 
         this._items.push(item);
         if (index !== undefined)
-            this.insert_child_at_index(item.actor, index);
+            this.insert_child_at_index(item, index);
         else
-            this.add_actor(item.actor);
+            this.add_actor(item);
     }
 
     removeItem(item) {
-        this.remove_child(item.actor);
+        this.remove_child(item);
     }
 
     getItemAtIndex(index) {
@@ -787,8 +796,9 @@ var IconGrid = GObject.registerClass({
             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);
+            let neededSpacePerItem = (neededWidth > neededHeight)
+                ? Math.ceil(neededWidth / this._minColumns)
+                : Math.ceil(neededHeight / this._minRows);
             this._fixedHItemSize = Math.max(this._hItemSize - neededSpacePerItem, MIN_ICON_SIZE);
             this._fixedVItemSize = Math.max(this._vItemSize - neededSpacePerItem, MIN_ICON_SIZE);
 
@@ -953,7 +963,7 @@ var PaginatedIconGrid = GObject.registerClass({
     */
     openExtraSpace(sourceItem, side, nRows) {
         let children = this._getVisibleChildren();
-        let index = children.indexOf(sourceItem.actor);
+        let index = children.indexOf(sourceItem);
         if (index == -1)
             throw new Error('Item not found.');
 
@@ -963,8 +973,7 @@ var PaginatedIconGrid = GObject.registerClass({
         let childrenPerRow = this._childrenPerPage / this._rowsPerPage;
         let sourceRow = Math.floor((index - pageOffset) / childrenPerRow);
 
-        let nRowsAbove = (side == St.Side.TOP) ? sourceRow + 1
-                                               : sourceRow;
+        let nRowsAbove = (side == St.Side.TOP) ? sourceRow + 1 : sourceRow;
         let nRowsBelow = this._rowsPerPage - nRowsAbove;
 
         let nRowsUp, nRowsDown;

js/ui/inhibitShortcutsDialog.js

@@ -76,8 +76,9 @@ var InhibitShortcutsDialog = GObject.registerClass({
         let name = this._app ? this._app.get_name() : this._window.title;
 
         /* Translators: %s is an application name like "Settings" */
-        let title = name ? _("%s wants to inhibit shortcuts").format(name)
-                         : _("Application wants to inhibit shortcuts");
+        let title = name
+            ? _("%s wants to inhibit shortcuts").format(name)
+            : _("Application wants to inhibit shortcuts");
         let icon = new Gio.ThemedIcon({ name: 'dialog-warning-symbolic' });
 
         let contentParams = { icon, title };

js/ui/kbdA11yDialog.js

@@ -28,23 +28,23 @@ class KbdA11yDialog extends GObject.Object {
         if (whatChanged & Clutter.KeyboardA11yFlags.SLOW_KEYS_ENABLED) {
             key = KEY_SLOW_KEYS_ENABLED;
             enabled = (newFlags & Clutter.KeyboardA11yFlags.SLOW_KEYS_ENABLED) > 0;
-            title = enabled ?
-                    _("Slow Keys Turned On") :
-                    _("Slow Keys Turned Off");
+            title = enabled
+                ? _("Slow Keys Turned On")
+                : _("Slow Keys Turned Off");
             body = _("You just held down the Shift key for 8 seconds. This is the shortcut " +
                      "for the Slow Keys feature, which affects the way your keyboard works.");
 
         } else  if (whatChanged & Clutter.KeyboardA11yFlags.STICKY_KEYS_ENABLED) {
             key = KEY_STICKY_KEYS_ENABLED;
             enabled = (newFlags & Clutter.KeyboardA11yFlags.STICKY_KEYS_ENABLED) > 0;
-            title = enabled ?
-                    _("Sticky Keys Turned On") :
-                    _("Sticky Keys Turned Off");
-            body = enabled ?
-                   _("You just pressed the Shift key 5 times in a row. This is the shortcut " +
-                     "for the Sticky Keys feature, which affects the way your keyboard works.") :
-                   _("You just pressed two keys at once, or pressed the Shift key 5 times in a row. " +
-                     "This turns off the Sticky Keys feature, which affects the way your keyboard works.");
+            title = enabled
+                ? _("Sticky Keys Turned On")
+                : _("Sticky Keys Turned Off");
+            body = enabled
+                ? _("You just pressed the Shift key 5 times in a row. This is the shortcut " +
+                  "for the Sticky Keys feature, which affects the way your keyboard works.")
+                : _("You just pressed two keys at once, or pressed the Shift key 5 times in a row. " +
+                  "This turns off the Sticky Keys feature, which affects the way your keyboard works.");
         } else {
             return;
         }

js/ui/keyboard.js

@@ -1,5 +1,5 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
-/* exported Keyboard */
+/* exported KeyboardManager */
 
 const { Clutter, Gio, GLib, GObject, Meta, St } = imports.gi;
 const Signals = imports.signals;
@@ -89,8 +89,11 @@ class KeyContainer extends St.Widget {
         let gridLayout = new Clutter.GridLayout({ orientation: Clutter.Orientation.HORIZONTAL,
                                                   column_homogeneous: true,
                                                   row_homogeneous: true });
-        super._init({ layout_manager: gridLayout,
-                      x_expand: true, y_expand: true });
+        super._init({
+            layout_manager: gridLayout,
+            x_expand: true,
+            y_expand: true
+        });
         this._gridLayout = gridLayout;
         this._currentRow = 0;
         this._currentCol = 0;
@@ -104,9 +107,10 @@ class KeyContainer extends St.Widget {
         this._currentRow++;
         this._currentCol = 0;
 
-        let row = new Object();
-        row.keys = [];
-        row.width = 0;
+        let row = {
+            keys: [],
+            width: 0,
+        };
         this._rows.push(row);
     }
 
@@ -160,24 +164,23 @@ class KeyContainer extends St.Widget {
     }
 });
 
-var Suggestions = class {
-    constructor() {
-        this.actor = new St.BoxLayout({ style_class: 'word-suggestions',
-                                        vertical: false });
-        this.actor.show();
+var Suggestions = GObject.registerClass(
+class Suggestions extends St.BoxLayout {
+    _init() {
+        super._init({ style_class: 'word-suggestions', vertical: false });
+        this.show();
     }
 
     add(word, callback) {
         let button = new St.Button({ label: word });
         button.connect('clicked', callback);
-        this.actor.add(button);
+        this.add(button);
     }
 
     clear() {
-        this.actor.remove_all_children();
+        this.remove_all_children();
     }
-};
-Signals.addSignalMethods(Suggestions.prototype);
+});
 
 var LanguageSelectionPopup = class extends PopupMenu.PopupMenu {
     constructor(actor) {
@@ -242,17 +245,25 @@ var LanguageSelectionPopup = class extends PopupMenu.PopupMenu {
     }
 };
 
-var Key = class Key {
-    constructor(key, extendedKeys) {
+var Key = GObject.registerClass({
+    Signals: {
+        'activated': {},
+        'long-press': {},
+        'pressed': { param_types: [GObject.TYPE_UINT, GObject.TYPE_STRING] },
+        'released': { param_types: [GObject.TYPE_UINT, GObject.TYPE_STRING] },
+    }
+}, class Key extends St.BoxLayout {
+    _init(key, extendedKeys) {
+        super._init({ style_class: 'key-container' });
+
         this.key = key || "";
         this.keyButton = this._makeKey(this.key);
 
         /* Add the key in a container, so keys can be padded without losing
          * logical proportions between those.
          */
-        this.actor = new St.BoxLayout ({ style_class: 'key-container' });
-        this.actor.add(this.keyButton, { expand: true, x_fill: true });
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.add(this.keyButton, { expand: true, x_fill: true });
+        this.connect('destroy', this._onDestroy.bind(this));
 
         this._extended_keys = extendedKeys;
         this._extended_keyboard = null;
@@ -460,8 +471,7 @@ var Key = class Key {
         else
             this.keyButton.remove_style_pseudo_class('latched');
     }
-};
-Signals.addSignalMethods(Key.prototype);
+});
 
 var KeyboardModel = class {
     constructor(groupName) {
@@ -589,7 +599,6 @@ var EmojiPager = GObject.registerClass({
             reactive: true,
             clip_to_allocation: true
         });
-
         this._sections = sections;
         this._nCols = nCols;
         this._nRows = nRows;
@@ -800,7 +809,7 @@ var EmojiPager = GObject.registerClass({
                 this.emit('emoji', str);
             });
 
-            gridLayout.attach(key.actor, col, row, 1, 1);
+            gridLayout.attach(key, col, row, 1, 1);
 
             col++;
             if (col >= this._nCols) {
@@ -842,7 +851,7 @@ var EmojiPager = GObject.registerClass({
         }
 
         let page = this._pages[nPage];
-        this.emit('page-changed', page.section, page.page, page.nPages);
+        this.emit('page-changed', page.section.label, page.page, page.nPages);
     }
 
     setCurrentSection(section, nPage) {
@@ -857,8 +866,21 @@ var EmojiPager = GObject.registerClass({
     }
 });
 
-var EmojiSelection = class EmojiSelection {
-    constructor() {
+var EmojiSelection = GObject.registerClass({
+    Signals: {
+        'emoji-selected': { param_types: [GObject.TYPE_STRING] },
+        'close-request': {},
+        'toggle': {},
+    }
+}, class EmojiSelection extends St.BoxLayout {
+    _init() {
+        super._init({
+            style_class: 'emoji-panel',
+            x_expand: true,
+            y_expand: true,
+            vertical: true
+        });
+
         this._sections = [
             { first: 'grinning face', label: '🙂️' },
             { first: 'selfie', label: '👍️' },
@@ -873,38 +895,44 @@ var EmojiSelection = class EmojiSelection {
 
         this._populateSections();
 
-        this.actor = new St.BoxLayout({ style_class: 'emoji-panel',
-                                        x_expand: true,
-                                        y_expand: true,
-                                        vertical: true });
-        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) => {
-            this._onPageChanged(section, page, nPages);
+        this._emojiPager.connect('page-changed', (pager, sectionLabel, page, nPages) => {
+            this._onPageChanged(sectionLabel, page, nPages);
         });
         this._emojiPager.connect('emoji', (pager, str) => {
             this.emit('emoji-selected', str);
         });
-        this.actor.add(this._emojiPager.actor, { expand: true });
+        this.add(this._emojiPager, { expand: true });
 
-        this._pageIndicator = new PageIndicators.PageIndicators(false);
-        this.actor.add(this._pageIndicator, { expand: true, x_fill: false, y_fill: false });
+        this._pageIndicator = new PageIndicators.PageIndicators(
+            Clutter.Orientation.HORIZONTAL
+        );
+        this.add(this._pageIndicator, { expand: true, x_fill: false, y_fill: false });
         this._pageIndicator.setReactive(false);
 
         let bottomRow = this._createBottomRow();
-        this.actor.add(bottomRow, { expand: true, x_fill: false, y_fill: false });
+        this.add(bottomRow, { expand: true, x_fill: false, y_fill: false });
 
         this._emojiPager.setCurrentPage(0);
     }
 
-    _onPageChanged(section, page, nPages) {
+    vfunc_map() {
+        this._emojiPager.setCurrentPage(0);
+        super.vfunc_map();
+    }
+
+    vfunc_unmap() {
+        super.vfunc_unmap();
+        this._emojiPager.setCurrentPage(0);
+    }
+
+    _onPageChanged(sectionLabel, page, nPages) {
         this._pageIndicator.setNPages(nPages);
         this._pageIndicator.setCurrentPage(page);
 
         for (let i = 0; i < this._sections.length; i++) {
             let sect = this._sections[i];
-            sect.button.setLatched(section == sect);
+            sect.button.setLatched(sectionLabel == sect.label);
         }
     }
 
@@ -960,14 +988,14 @@ var EmojiSelection = class EmojiSelection {
         key = new Key('ABC', []);
         key.keyButton.add_style_class_name('default-key');
         key.connect('released', () => this.emit('toggle'));
-        row.appendKey(key.actor, 1.5);
+        row.appendKey(key, 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));
-            row.appendKey(key.actor);
+            row.appendKey(key);
 
             section.button = key;
         }
@@ -976,9 +1004,9 @@ var EmojiSelection = class EmojiSelection {
         key.keyButton.add_style_class_name('default-key');
         key.keyButton.add_style_class_name('hide-key');
         key.connect('released', () => {
-            this.emit('hide');
+            this.emit('close-request');
         });
-        row.appendKey(key.actor);
+        row.appendKey(key);
         row.layoutButtons();
 
         let actor = new AspectContainer({ layout_manager: new Clutter.BinLayout(),
@@ -992,11 +1020,14 @@ var EmojiSelection = class EmojiSelection {
 
         return actor;
     }
-};
-Signals.addSignalMethods(EmojiSelection.prototype);
+});
 
-var Keypad = class Keypad {
-    constructor() {
+var Keypad = GObject.registerClass({
+    Signals: {
+        'keyval': { param_types: [GObject.TYPE_UINT] },
+    }
+}, class Keypad extends AspectContainer {
+    _init() {
         let keys = [
             { label: '1', keyval: Clutter.KEY_1, left: 0, top: 0 },
             { label: '2', keyval: Clutter.KEY_2, left: 1, top: 0 },
@@ -1012,14 +1043,17 @@ var Keypad = class Keypad {
             { keyval: Clutter.KEY_Return, extraClassName: 'enter-key', left: 3, top: 1, height: 2 },
         ];
 
-        this.actor = new AspectContainer({ layout_manager: new Clutter.BinLayout(),
-                                           x_expand: true, y_expand: true });
+        super._init({
+            layout_manager: new Clutter.BinLayout(),
+            x_expand: true,
+            y_expand: true
+        });
 
         let gridLayout = new Clutter.GridLayout({ orientation: Clutter.Orientation.HORIZONTAL,
                                                   column_homogeneous: true,
                                                   row_homogeneous: true });
         this._box = new St.Widget({ layout_manager: gridLayout, x_expand: true, y_expand: true });
-        this.actor.add_child(this._box);
+        this.add_child(this._box);
 
         for (let i = 0; i < keys.length; i++) {
             let cur = keys[i];
@@ -1031,86 +1065,32 @@ var Keypad = class Keypad {
             let w, h;
             w = cur.width || 1;
             h = cur.height || 1;
-            gridLayout.attach(key.actor, cur.left, cur.top, w, h);
+            gridLayout.attach(key, cur.left, cur.top, w, h);
 
             key.connect('released', () => {
                 this.emit('keyval', cur.keyval);
             });
         }
     }
-};
-Signals.addSignalMethods(Keypad.prototype);
+});
 
-var Keyboard = class Keyboard {
+var KeyboardManager = class KeyBoardManager {
     constructor() {
-        this.actor = null;
-        this._focusInExtendedKeys = false;
-        this._emojiActive = false;
-
-        this._languagePopup = null;
-        this._currentFocusWindow = null;
-        this._animFocusedWindow = null;
-        this._delayedAnimFocusWindow = null;
-
-        this._enableKeyboard = false; // a11y settings value
-        this._enabled = false; // enabled state (by setting or device type)
-        this._latched = false; // current level is latched
-
+        this._keyboard = null;
         this._a11yApplicationsSettings = new Gio.Settings({ schema_id: A11Y_APPLICATIONS_SCHEMA });
         this._a11yApplicationsSettings.connect('changed', this._syncEnabled.bind(this));
+
         this._lastDeviceId = null;
-        this._suggestions = null;
-        this._emojiKeyVisible = Meta.is_wayland_compositor();
+        Meta.get_backend().connect('last-device-changed', (backend, deviceId) => {
+            let manager = Clutter.DeviceManager.get_default();
+            let device = manager.get_device(deviceId);
 
-        this._focusTracker = new FocusTracker();
-        this._focusTracker.connect('position-changed', this._onFocusPositionChanged.bind(this));
-        this._focusTracker.connect('reset', () => {
-            this._delayedAnimFocusWindow = null;
-            this._animFocusedWindow = null;
-            this._oskFocusWindow = null;
+            if (device.get_device_name().indexOf('XTEST') < 0) {
+                this._lastDeviceId = deviceId;
+                this._syncEnabled();
+            }
         });
-        this._focusTracker.connect('focus-changed', (tracker, focused) => {
-            // Valid only for X11
-            if (Meta.is_wayland_compositor())
-                return;
-
-            if (focused)
-                this.show(Main.layoutManager.focusIndex);
-            else
-                this.hide();
-        });
-
-        Meta.get_backend().connect('last-device-changed', 
-            (backend, deviceId) => {
-                let manager = Clutter.DeviceManager.get_default();
-                let device = manager.get_device(deviceId);
-
-                if (!device.get_device_name().includes('XTEST')) {
-                    this._lastDeviceId = deviceId;
-                    this._syncEnabled();
-                }
-            });
         this._syncEnabled();
-
-        this._showIdleId = 0;
-
-        this._keyboardVisible = false;
-        Main.layoutManager.connect('keyboard-visible-changed', (o, visible) => {
-            this._keyboardVisible = visible;
-        });
-        this._keyboardRequested = false;
-        this._keyboardRestingId = 0;
-
-        Main.layoutManager.connect('monitors-changed', this._relayout.bind(this));
-    }
-
-    get visible() {
-        return this._keyboardVisible;
-    }
-
-    _onFocusPositionChanged(focusTracker) {
-        let rect = focusTracker.getCurrentRect();
-        this.setCursorLocation(focusTracker.currentWindow, rect.x, rect.y, rect.width, rect.height);
     }
 
     _lastDeviceIsTouchscreen() {
@@ -1127,38 +1107,143 @@ var Keyboard = class Keyboard {
     }
 
     _syncEnabled() {
-        let wasEnabled = this._enabled;
-        this._enableKeyboard = this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD);
-        this._enabled = this._enableKeyboard || this._lastDeviceIsTouchscreen();
-        if (!this._enabled && !this._keyboardController)
+        let enableKeyboard = this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD);
+        let enabled = enableKeyboard || this._lastDeviceIsTouchscreen();
+        if (!enabled && !this._keyboard)
             return;
 
-        if (this._enabled && !this._keyboardController)
-            this._setupKeyboard();
-        else if (!this._enabled)
-            this.setCursorLocation(null);
-
-        if (!this._enabled && wasEnabled)
+        if (enabled && !this._keyboard) {
+            this._keyboard = new Keyboard();
+        } else if (!enabled && this._keyboard) {
+            this._keyboard.setCursorLocation(null);
             Main.layoutManager.hideKeyboard(true);
+            this._keyboard.destroy();
+            this._keyboard = null;
+        }
     }
 
-    _destroyKeyboard() {
-        if (this._keyboardNotifyId)
-            this._keyboardController.disconnect(this._keyboardNotifyId);
-        if (this._keyboardGroupsChangedId)
-            this._keyboardController.disconnect(this._keyboardGroupsChangedId);
-        if (this._keyboardStateId)
-            this._keyboardController.disconnect(this._keyboardStateId);
-        if (this._emojiKeyVisibleId)
-            this._keyboardController.disconnect(this._emojiKeyVisibleId);
-        if (this._keypadVisibleId)
-            this._keyboardController.disconnect(this._keypadVisibleId);
-        if (this._focusNotifyId)
-            global.stage.disconnect(this._focusNotifyId);
+    get keyboardActor() {
+        return this._keyboard;
+    }
+
+    get visible() {
+        return this._keyboard && this._keyboard.visible;
+    }
+
+    open(monitor) {
+        if (this._keyboard)
+            this._keyboard.open(monitor);
+    }
+
+    close() {
+        if (this._keyboard)
+            this._keyboard.close();
+    }
+
+    addSuggestion(text, callback) {
+        if (this._keyboard)
+            this._keyboard.addSuggestion(text, callback);
+    }
+
+    resetSuggestions() {
+        if (this._keyboard)
+            this._keyboard.resetSuggestions();
+    }
+
+    shouldTakeEvent(event) {
+        if (!this._keyboard)
+            return false;
+
+        let actor = event.get_source();
+        return Main.layoutManager.keyboardBox.contains(actor) ||
+               !!actor._extended_keys || !!actor.extended_key;
+    }
+};
+
+var Keyboard = GObject.registerClass(
+class Keyboard extends St.BoxLayout {
+    _init() {
+        super._init({ name: 'keyboard', vertical: true });
+        this._focusInExtendedKeys = false;
+        this._emojiActive = false;
+
+        this._languagePopup = null;
+        this._currentFocusWindow = null;
+        this._animFocusedWindow = null;
+        this._delayedAnimFocusWindow = null;
+
+        this._latched = false; // current level is latched
+
+        this._suggestions = null;
+        this._emojiKeyVisible = Meta.is_wayland_compositor();
+
+        this._focusTracker = new FocusTracker();
+        this._connectSignal(this._focusTracker, 'position-changed',
+            this._onFocusPositionChanged.bind(this));
+        this._connectSignal(this._focusTracker, 'reset', () => {
+            this._delayedAnimFocusWindow = null;
+            this._animFocusedWindow = null;
+            this._oskFocusWindow = null;
+        });
+        // Valid only for X11
+        if (!Meta.is_wayland_compositor()) {
+            this._connectSignal(this._focusTracker, 'focus-changed', (_tracker, focused) => {
+                if (focused)
+                    this.open(Main.layoutManager.focusIndex);
+                else
+                    this.close();
+            });
+        }
+
+        this._showIdleId = 0;
+
+        this._keyboardVisible = false;
+        this._connectSignal(Main.layoutManager, 'keyboard-visible-changed', (_lm, visible) => {
+            this._keyboardVisible = visible;
+        });
+        this._keyboardRequested = false;
+        this._keyboardRestingId = 0;
+
+        this._connectSignal(Main.layoutManager, 'monitors-changed', this._relayout.bind(this));
+
+        this._setupKeyboard();
+
+        this.connect('destroy', this._onDestroy.bind(this));
+    }
+
+    _connectSignal(obj, signal, callback) {
+        if (!this._connectionsIDs)
+            this._connectionsIDs = [];
+
+        let id = obj.connect(signal, callback);
+        this._connectionsIDs.push([obj, id]);
+        return id;
+    }
+
+    get visible() {
+        return this._keyboardVisible && super.visible;
+    }
+
+    _onFocusPositionChanged(focusTracker) {
+        let rect = focusTracker.getCurrentRect();
+        this.setCursorLocation(focusTracker.currentWindow, rect.x, rect.y, rect.width, rect.height);
+    }
+
+    _onDestroy() {
+        for (let [obj, id] of this._connectionsIDs)
+            obj.disconnect(id);
+        delete this._connectionsIDs;
+
         this._clearShowIdle();
-        this._keyboard = null;
-        this.actor.destroy();
-        this.actor = null;
+
+        this._keyboardController = null;
+        this._suggestions = null;
+        this._aspectContainer = null;
+        this._emojiSelection = null;
+        this._keypad = null;
+
+        Main.layoutManager.untrackChrome(this);
+        Main.layoutManager.keyboardBox.remove_actor(this);
 
         if (this._languagePopup) {
             this._languagePopup.destroy();
@@ -1167,9 +1252,8 @@ var Keyboard = class Keyboard {
     }
 
     _setupKeyboard() {
-        this.actor = new St.BoxLayout({ name: 'keyboard', vertical: true, reactive: true });
-        Main.layoutManager.keyboardBox.add_actor(this.actor);
-        Main.layoutManager.trackChrome(this.actor);
+        Main.layoutManager.keyboardBox.add_actor(this);
+        Main.layoutManager.trackChrome(this);
 
         this._keyboardController = new KeyboardController();
 
@@ -1177,30 +1261,28 @@ var Keyboard = class Keyboard {
         this._currentPage = null;
 
         this._suggestions = new Suggestions();
-        this.actor.add(this._suggestions.actor,
-                       { x_align: St.Align.MIDDLE,
-                         x_fill: false });
+        this.add(this._suggestions, { x_align: St.Align.MIDDLE, x_fill: false });
 
         this._aspectContainer = new AspectContainer({ layout_manager: new Clutter.BinLayout() });
-        this.actor.add(this._aspectContainer, { expand: true });
+        this.add(this._aspectContainer, { expand: true });
 
         this._emojiSelection = new EmojiSelection();
         this._emojiSelection.connect('toggle', this._toggleEmoji.bind(this));
-        this._emojiSelection.connect('hide', () => this.hide());
+        this._emojiSelection.connect('close-request', () => this.close());
         this._emojiSelection.connect('emoji-selected', (selection, emoji) => {
             this._keyboardController.commitString(emoji);
         });
 
-        this._aspectContainer.add_child(this._emojiSelection.actor);
-        this._emojiSelection.actor.hide();
+        this._aspectContainer.add_child(this._emojiSelection);
+        this._emojiSelection.hide();
 
         this._keypad = new Keypad();
-        this._keypad.connect('keyval', (keypad, keyval) => {
+        this._connectSignal(this._keypad, 'keyval', (_keypad, keyval) => {
             this._keyboardController.keyvalPress(keyval);
             this._keyboardController.keyvalRelease(keyval);
         });
-        this._aspectContainer.add_child(this._keypad.actor);
-        this._keypad.actor.hide();
+        this._aspectContainer.add_child(this._keypad);
+        this._keypad.hide();
         this._keypadVisible = false;
 
         this._ensureKeysForGroup(this._keyboardController.getCurrentGroup());
@@ -1209,16 +1291,22 @@ var Keyboard = class Keyboard {
         // Keyboard models are defined in LTR, we must override
         // the locale setting in order to avoid flipping the
         // keyboard on RTL locales.
-        this.actor.text_direction = Clutter.TextDirection.LTR;
+        this.text_direction = Clutter.TextDirection.LTR;
 
-        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._keypadVisibleId = this._keyboardController.connect('keypad-visible', this._onKeypadVisible.bind(this));
-        this._focusNotifyId = global.stage.connect('notify::key-focus', this._onKeyFocusChanged.bind(this));
+        this._connectSignal(this._keyboardController, 'active-group',
+            this._onGroupChanged.bind(this));
+        this._connectSignal(this._keyboardController, 'groups-changed',
+            this._onKeyboardGroupsChanged.bind(this));
+        this._connectSignal(this._keyboardController, 'panel-state',
+            this._onKeyboardStateChanged.bind(this));
+        this._connectSignal(this._keyboardController, 'keypad-visible',
+            this._onKeypadVisible.bind(this));
+        this._connectSignal(global.stage, 'notify::key-focus',
+            this._onKeyFocusChanged.bind(this));
 
         if (Meta.is_wayland_compositor())
-            this._emojiKeyVisibleId = this._keyboardController.connect('emoji-visible', this._onEmojiKeyVisible.bind(this));
+            this._connectSignal(this._keyboardController, 'emoji-visible',
+                this._onEmojiKeyVisible.bind(this));
 
         this._relayout();
     }
@@ -1234,17 +1322,17 @@ var Keyboard = class Keyboard {
             return;
 
         if (!(focus instanceof Clutter.Text)) {
-            this.hide();
+            this.close();
             return;
         }
 
         if (!this._showIdleId) {
             this._showIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT_IDLE, () => {
-                this.show(Main.layoutManager.focusIndex);
+                this.open(Main.layoutManager.focusIndex);
                 this._showIdleId = 0;
                 return GLib.SOURCE_REMOVE;
             });
-            GLib.Source.set_name_by_id(this._showIdleId, '[gnome-shell] this.show');
+            GLib.Source.set_name_by_id(this._showIdleId, '[gnome-shell] this.open');
         }
     }
 
@@ -1308,7 +1396,7 @@ var Keyboard = class Keyboard {
                     this._setActiveLayer(0);
             });
 
-            layout.appendKey(button.actor, button.keyButton.keyWidth);
+            layout.appendKey(button, button.keyButton.keyWidth);
         }
     }
 
@@ -1356,7 +1444,7 @@ var Keyboard = class Keyboard {
                 if (keyval != null)
                     this._keyboardController.keyvalRelease(keyval);
                 else if (action == 'hide')
-                    this.hide();
+                    this.close();
                 else if (action == 'languageMenu')
                     this._popupLanguageMenu(actor);
                 else if (action == 'emoji')
@@ -1379,7 +1467,7 @@ var Keyboard = class Keyboard {
                     /* Only hide the key actor, so the container still takes space */
                     extraButton.keyButton.hide();
                 } else {
-                    extraButton.actor.hide();
+                    extraButton.hide();
                 }
                 extraButton.setWidth(1.5);
             } else if (key.right && numKeys > 8) {
@@ -1390,7 +1478,7 @@ var Keyboard = class Keyboard {
                 extraButton.setWidth(1.5);
             }
 
-            layout.appendKey(extraButton.actor, extraButton.keyButton.keyWidth);
+            layout.appendKey(extraButton, extraButton.keyButton.keyWidth);
         }
     }
 
@@ -1401,7 +1489,7 @@ var Keyboard = class Keyboard {
 
     _setEmojiActive(active) {
         this._emojiActive = active;
-        this._emojiSelection.actor.visible = this._emojiActive;
+        this._emojiSelection.visible = this._emojiActive;
         this._updateCurrentPageVisible();
     }
 
@@ -1469,12 +1557,12 @@ var Keyboard = class Keyboard {
     _relayout() {
         let monitor = Main.layoutManager.keyboardMonitor;
 
-        if (this.actor == null || monitor == null)
+        if (!monitor)
             return;
 
         let maxHeight = monitor.height / 3;
-        this.actor.width = monitor.width;
-        this.actor.height = maxHeight;
+        this.width = monitor.width;
+        this.height = maxHeight;
     }
 
     _onGroupChanged() {
@@ -1483,7 +1571,7 @@ var Keyboard = class Keyboard {
     }
 
     _onKeyboardGroupsChanged() {
-        let nonGroupActors = [this._emojiSelection.actor, this._keypad.actor];
+        let nonGroupActors = [this._emojiSelection, this._keypad];
         this._aspectContainer.get_children().filter(c => !nonGroupActors.includes(c)).forEach(c => {
             c.destroy();
         });
@@ -1497,7 +1585,7 @@ var Keyboard = class Keyboard {
             return;
 
         this._keypadVisible = visible;
-        this._keypad.actor.visible = this._keypadVisible;
+        this._keypad.visible = this._keypadVisible;
         this._updateCurrentPageVisible();
     }
 
@@ -1522,9 +1610,9 @@ var Keyboard = class Keyboard {
             return;
 
         if (enabled)
-            this.show(Main.layoutManager.focusIndex);
+            this.open(Main.layoutManager.focusIndex);
         else
-            this.hide();
+            this.close();
     }
 
     _setActiveLayer(activeLevel) {
@@ -1551,12 +1639,6 @@ var Keyboard = class Keyboard {
         this._updateCurrentPageVisible();
     }
 
-    shouldTakeEvent(event) {
-        let actor = event.get_source();
-        return Main.layoutManager.keyboardBox.contains(actor) ||
-               !!actor._extended_keys || !!actor.extended_key;
-    }
-
     _clearKeyboardRestTimer() {
         if (!this._keyboardRestingId)
             return;
@@ -1564,10 +1646,7 @@ var Keyboard = class Keyboard {
         this._keyboardRestingId = 0;
     }
 
-    show(monitor) {
-        if (!this._enabled)
-            return;
-
+    open(monitor) {
         this._clearShowIdle();
         this._keyboardRequested = true;
 
@@ -1584,13 +1663,13 @@ var Keyboard = class Keyboard {
                                                    KEYBOARD_REST_TIME,
                                                    () => {
                                                        this._clearKeyboardRestTimer();
-                                                       this._show(monitor);
+                                                       this._open(monitor);
                                                        return GLib.SOURCE_REMOVE;
                                                    });
         GLib.Source.set_name_by_id(this._keyboardRestingId, '[gnome-shell] this._clearKeyboardRestTimer');
     }
 
-    _show(monitor) {
+    _open(monitor) {
         if (!this._keyboardRequested)
             return;
 
@@ -1606,10 +1685,7 @@ var Keyboard = class Keyboard {
         }
     }
 
-    hide() {
-        if (!this._enabled)
-            return;
-
+    close() {
         this._clearShowIdle();
         this._keyboardRequested = false;
 
@@ -1621,13 +1697,13 @@ var Keyboard = class Keyboard {
                                                    KEYBOARD_REST_TIME,
                                                    () => {
                                                        this._clearKeyboardRestTimer();
-                                                       this._hide();
+                                                       this._close();
                                                        return GLib.SOURCE_REMOVE;
                                                    });
         GLib.Source.set_name_by_id(this._keyboardRestingId, '[gnome-shell] this._clearKeyboardRestTimer');
     }
 
-    _hide() {
+    _close() {
         if (this._keyboardRequested)
             return;
 
@@ -1644,7 +1720,7 @@ var Keyboard = class Keyboard {
         if (!this._suggestions)
             return;
         this._suggestions.add(text, callback);
-        this._suggestions.actor.show();
+        this._suggestions.show();
     }
 
     _clearShowIdle() {
@@ -1721,7 +1797,7 @@ var Keyboard = class Keyboard {
 
         this._oskFocusWindow = window;
     }
-};
+});
 
 var KeyboardController = class {
     constructor() {

js/ui/layout.js

@@ -606,17 +606,17 @@ var LayoutManager = GObject.registerClass({
             return;
         }
         this._systemBackground = new Background.SystemBackground();
-        this._systemBackground.actor.hide();
+        this._systemBackground.hide();
 
-        global.stage.insert_child_below(this._systemBackground.actor, null);
+        global.stage.insert_child_below(this._systemBackground, null);
 
         let constraint = new Clutter.BindConstraint({ source: global.stage,
                                                       coordinate: Clutter.BindCoordinate.ALL });
-        this._systemBackground.actor.add_constraint(constraint);
+        this._systemBackground.add_constraint(constraint);
 
         let signalId = this._systemBackground.connect('loaded', () => {
             this._systemBackground.disconnect(signalId);
-            this._systemBackground.actor.show();
+            this._systemBackground.show();
             global.stage.show();
 
             this._prepareStartupAnimation();
@@ -722,7 +722,7 @@ var LayoutManager = GObject.registerClass({
         this._coverPane.destroy();
         this._coverPane = null;
 
-        this._systemBackground.actor.destroy();
+        this._systemBackground.destroy();
         this._systemBackground = null;
 
         this._startingUp = false;
@@ -771,8 +771,7 @@ var LayoutManager = GObject.registerClass({
         this.keyboardBox.ease({
             anchor_y: 0,
             opacity: 0,
-            duration: immediate ? 0
-                                : KEYBOARD_ANIMATION_TIME,
+            duration: immediate ? 0 : KEYBOARD_ANIMATION_TIME,
             mode: Clutter.AnimationMode.EASE_IN_QUAD,
             onComplete: () => {
                 this._hideKeyboardComplete();
@@ -856,8 +855,9 @@ var LayoutManager = GObject.registerClass({
             index = this._findActor(ancestor);
         }
 
-        let ancestorData = ancestor ? this._trackedActors[index]
-                                    : defaultParams;
+        let ancestorData = ancestor
+            ? this._trackedActors[index]
+            : defaultParams;
         // We can't use Params.parse here because we want to drop
         // the extra values like ancestorData.actor
         for (let prop in defaultParams) {
@@ -1015,11 +1015,6 @@ var LayoutManager = GObject.registerClass({
         if (Main.modalCount > 0)
             return GLib.SOURCE_REMOVE;
 
-        // Bug workaround - get_transformed_position()/get_transformed_size() don't work after
-        // a change in stage size until the first pick or paint.
-        // https://bugzilla.gnome.org/show_bug.cgi?id=761565
-        global.stage.get_actor_at_pos(Clutter.PickMode.ALL, 0, 0);
-
         let rects = [], struts = [], i;
         let isPopupMenuVisible = global.top_window_group.get_children().some(isPopupMetaWindow);
         let wantsInputRegion = !isPopupMenuVisible;
@@ -1075,16 +1070,17 @@ var LayoutManager = GObject.registerClass({
                         side = Meta.Side.RIGHT;
                     else
                         continue;
-                } else if (x1 <= monitor.x)
+                } else if (x1 <= monitor.x) {
                     side = Meta.Side.LEFT;
-                else if (y1 <= monitor.y)
+                } else if (y1 <= monitor.y) {
                     side = Meta.Side.TOP;
-                else if (x2 >= monitor.x + monitor.width)
+                } else if (x2 >= monitor.x + monitor.width) {
                     side = Meta.Side.RIGHT;
-                else if (y2 >= monitor.y + monitor.height)
+                } else if (y2 >= monitor.y + monitor.height) {
                     side = Meta.Side.BOTTOM;
-                else
+                } else {
                     continue;
+                }
 
                 let strutRect = new Meta.Rectangle({ x: x1, y: y1, width: x2 - x1, height: y2 - y1 });
                 let strut = new Meta.Strut({ rect: strutRect, side: side });
@@ -1116,8 +1112,11 @@ var LayoutManager = GObject.registerClass({
 //
 // This class manages a "hot corner" that can toggle switching to
 // overview.
-var HotCorner = class HotCorner {
-    constructor(layoutManager, monitor, x, y) {
+var HotCorner = GObject.registerClass(
+class HotCorner extends Clutter.Actor {
+    _init(layoutManager, monitor, x, y) {
+        super._init();
+
         // We use this flag to mark the case where the user has entered the
         // hot corner and has not left both the hot corner and a surrounding
         // guard area (the "environs"). This avoids triggering the hot corner
@@ -1146,6 +1145,8 @@ var HotCorner = class HotCorner {
 
         this._ripples = new Ripples.Ripples(px, py, 'ripple-box');
         this._ripples.addTo(layoutManager.uiGroup);
+
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
     setBarrierSize(size) {
@@ -1185,11 +1186,14 @@ var HotCorner = class HotCorner {
 
     _setupFallbackCornerIfNeeded(layoutManager) {
         if (!global.display.supports_extended_barriers()) {
-            this.actor = new Clutter.Actor({ name: 'hot-corner-environs',
-                                             x: this._x, y: this._y,
-                                             width: 3,
-                                             height: 3,
-                                             reactive: true });
+            this.set({
+                name: 'hot-corner-environs',
+                x: this._x,
+                y: this._y,
+                width: 3,
+                height: 3,
+                reactive: true
+            });
 
             this._corner = new Clutter.Actor({ name: 'hot-corner',
                                                width: 1,
@@ -1198,19 +1202,16 @@ var HotCorner = class HotCorner {
                                                reactive: true });
             this._corner._delegate = this;
 
-            this.actor.add_child(this._corner);
-            layoutManager.addChrome(this.actor);
+            this.add_child(this._corner);
+            layoutManager.addChrome(this);
 
             if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL) {
-                this._corner.set_position(this.actor.width - this._corner.width, 0);
-                this.actor.set_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
+                this._corner.set_position(this.width - this._corner.width, 0);
+                this.set_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
             } else {
                 this._corner.set_position(0, 0);
             }
 
-            this.actor.connect('leave-event',
-                               this._onEnvironsLeft.bind(this));
-
             this._corner.connect('enter-event',
                                  this._onCornerEntered.bind(this));
             this._corner.connect('leave-event',
@@ -1218,14 +1219,11 @@ var HotCorner = class HotCorner {
         }
     }
 
-    destroy() {
+    _onDestroy() {
         this.setBarrierSize(0);
         this._pressureBarrier.destroy();
         this._pressureBarrier = null;
 
-        if (this.actor)
-            this.actor.destroy();
-
         this._ripples.destroy();
     }
 
@@ -1257,18 +1255,18 @@ var HotCorner = class HotCorner {
     }
 
     _onCornerLeft(actor, event) {
-        if (event.get_related() != this.actor)
+        if (event.get_related() != this)
             this._entered = false;
         // Consume event, otherwise this will confuse onEnvironsLeft
         return Clutter.EVENT_STOP;
     }
 
-    _onEnvironsLeft(actor, event) {
-        if (event.get_related() != this._corner)
+    vfunc_leave_event(crossingEvent) {
+        if (crossingEvent.related != this._corner)
             this._entered = false;
         return Clutter.EVENT_PROPAGATE;
     }
-};
+});
 
 var PressureBarrier = class PressureBarrier {
     constructor(threshold, timeout, actionMode) {

js/ui/lightbox.js

@@ -2,7 +2,6 @@
 /* exported Lightbox */
 
 const { Clutter, GObject, Shell, St } = imports.gi;
-const Signals = imports.signals;
 
 const Params = imports.misc.params;
 
@@ -89,8 +88,8 @@ var RadialShaderEffect = GObject.registerClass({
  *           - inhibitEvents: whether to inhibit events for @container
  *           - width: shade actor width
  *           - height: shade actor height
- *           - fadeInTime: milliseconds used to fade in
- *           - fadeOutTime: milliseconds used to fade out
+ *           - fadeFactor: fading opacity factor
+ *           - radialEffect: whether to enable the GLSL radial effect
  *
  * Lightbox creates a dark translucent "shade" actor to hide the
  * contents of @container, and allows you to specify particular actors
@@ -106,8 +105,13 @@ var RadialShaderEffect = GObject.registerClass({
  * @container and will track any changes in its size. You can override
  * this by passing an explicit width and height in @params.
  */
-var Lightbox = class Lightbox {
-    constructor(container, params) {
+var Lightbox = GObject.registerClass({
+    Properties: {
+        'active': GObject.ParamSpec.boolean(
+            'active', 'active', 'active', GObject.ParamFlags.READABLE, false),
+    }
+}, class Lightbox extends St.Bin {
+    _init(container, params) {
         params = Params.parse(params, {
             inhibitEvents: false,
             width: null,
@@ -116,32 +120,34 @@ var Lightbox = class Lightbox {
             radialEffect: false,
         });
 
+        super._init({
+            reactive: params.inhibitEvents,
+            width: params.width,
+            height: params.height,
+            visible: false
+        });
+
+        this._active = false;
         this._container = container;
         this._children = container.get_children();
         this._fadeFactor = params.fadeFactor;
         this._radialEffect = Clutter.feature_available(Clutter.FeatureFlags.SHADERS_GLSL) && params.radialEffect;
 
-        this.actor = new St.Bin({ reactive: params.inhibitEvents });
-
         if (this._radialEffect)
-            this.actor.add_effect(new RadialShaderEffect({ name: 'radial' }));
+            this.add_effect(new RadialShaderEffect({ name: 'radial' }));
         else
-            this.actor.set({ opacity: 0, style_class: 'lightbox' });
+            this.set({ opacity: 0, style_class: 'lightbox' });
 
-        container.add_actor(this.actor);
-        this.actor.raise_top();
-        this.actor.hide();
-        this.shown = false;
+        container.add_actor(this);
+        this.raise_top();
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
 
-        if (params.width && params.height) {
-            this.actor.width = params.width;
-            this.actor.height = params.height;
-        } else {
-            let constraint = new Clutter.BindConstraint({ source: container,
-                                                          coordinate: Clutter.BindCoordinate.ALL });
-            this.actor.add_constraint(constraint);
+        if (!params.width || !params.height) {
+            this.add_constraint(new Clutter.BindConstraint({
+                source: container,
+                coordinate: Clutter.BindCoordinate.ALL
+            }));
         }
 
         this._actorAddedSignalId = container.connect('actor-added', this._actorAdded.bind(this));
@@ -150,16 +156,20 @@ var Lightbox = class Lightbox {
         this._highlighted = null;
     }
 
+    get active() {
+        return this._active;
+    }
+
     _actorAdded(container, newChild) {
         let children = this._container.get_children();
-        let myIndex = children.indexOf(this.actor);
+        let myIndex = children.indexOf(this);
         let newChildIndex = children.indexOf(newChild);
 
         if (newChildIndex > myIndex) {
             // The child was added above the shade (presumably it was
             // made the new top-most child). Move it below the shade,
             // and add it to this._children as the new topmost actor.
-            newChild.lower(this.actor);
+            this._container.set_child_above_sibling(this, newChild);
             this._children.push(newChild);
         } else if (newChildIndex == 0) {
             // Bottom of stack
@@ -172,8 +182,8 @@ var Lightbox = class Lightbox {
         }
     }
 
-    show(fadeInTime) {
-        this.actor.remove_all_transitions();
+    lightOn(fadeInTime) {
+        this.remove_all_transitions();
 
         let easeProps = {
             duration: fadeInTime || 0,
@@ -181,44 +191,46 @@ var Lightbox = class Lightbox {
         };
 
         let onComplete = () => {
-            this.shown = true;
-            this.emit('shown');
+            this._active = true;
+            this.notify('active');
         };
 
+        this.show();
+
         if (this._radialEffect) {
-            this.actor.ease_property(
+            this.ease_property(
                 '@effects.radial.brightness', VIGNETTE_BRIGHTNESS, easeProps);
-            this.actor.ease_property(
+            this.ease_property(
                 '@effects.radial.sharpness', VIGNETTE_SHARPNESS,
                 Object.assign({ onComplete }, easeProps));
         } else {
-            this.actor.ease(Object.assign(easeProps, {
+            this.ease(Object.assign(easeProps, {
                 opacity: 255 * this._fadeFactor,
                 onComplete
             }));
         }
-
-        this.actor.show();
     }
 
-    hide(fadeOutTime) {
-        this.shown = false;
-        this.actor.remove_all_transitions();
+    lightOff(fadeOutTime) {
+        this.remove_all_transitions();
+
+        this._active = false;
+        this.notify('active');
 
         let easeProps = {
             duration: fadeOutTime || 0,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD
         };
 
-        let onComplete = () => this.actor.hide();
+        let onComplete = () => this.hide();
 
         if (this._radialEffect) {
-            this.actor.ease_property(
+            this.ease_property(
                 '@effects.radial.brightness', 1.0, easeProps);
-            this.actor.ease_property(
+            this.ease_property(
                 '@effects.radial.sharpness', 0.0, Object.assign({ onComplete }, easeProps));
         } else {
-            this.actor.ease(Object.assign(easeProps, { opacity: 0, onComplete }));
+            this.ease(Object.assign(easeProps, { opacity: 0, onComplete }));
         }
     }
 
@@ -249,7 +261,7 @@ var Lightbox = class Lightbox {
         // case we may need to indicate some *other* actor as the new
         // sibling of the to-be-lowered one.
 
-        let below = this.actor;
+        let below = this;
         for (let i = this._children.length - 1; i >= 0; i--) {
             if (this._children[i] == window)
                 this._children[i].raise_top();
@@ -262,15 +274,6 @@ var Lightbox = class Lightbox {
         this._highlighted = window;
     }
 
-    /**
-     * destroy:
-     *
-     * Destroys the lightbox.
-     */
-    destroy() {
-        this.actor.destroy();
-    }
-
     /**
      * _onDestroy:
      *
@@ -278,10 +281,15 @@ var Lightbox = class Lightbox {
      * by destroying its container or by explicitly calling this.destroy().
      */
     _onDestroy() {
-        this._container.disconnect(this._actorAddedSignalId);
-        this._container.disconnect(this._actorRemovedSignalId);
+        if (this._actorAddedSignalId) {
+            this._container.disconnect(this._actorAddedSignalId);
+            this._actorAddedSignalId = 0;
+        }
+        if (this._actorRemovedSignalId) {
+            this._container.disconnect(this._actorRemovedSignalId);
+            this._actorRemovedSignalId = 0;
+        }
 
         this.highlight(null);
     }
-};
-Signals.addSignalMethods(Lightbox.prototype);
+});

js/ui/lookingGlass.js

@@ -1,8 +1,8 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported LookingGlass */
 
-const { Clutter, Cogl, Gio, GLib,
-        GObject, Meta, Pango, Shell, St } = imports.gi;
+const { Clutter, Cogl, Gio, GLib, GObject,
+        Graphene, Meta, Pango, Shell, St } = imports.gi;
 const Signals = imports.signals;
 const System = imports.system;
 
@@ -110,9 +110,11 @@ var AutoComplete = class AutoComplete {
 Signals.addSignalMethods(AutoComplete.prototype);
 
 
-var Notebook = class Notebook {
-    constructor() {
-        this.actor = new St.BoxLayout({ vertical: true });
+var Notebook = GObject.registerClass({
+    Signals: { 'selection': { param_types: [Clutter.Actor.$gtype] } },
+}, class Notebook extends St.BoxLayout {
+    _init() {
+        super._init({ vertical: true });
 
         this.tabControls = new St.BoxLayout({ style_class: 'labels' });
 
@@ -143,7 +145,7 @@ var Notebook = class Notebook {
                         _scrollToBottom: false };
         this._tabs.push(tabData);
         scrollview.hide();
-        this.actor.add(scrollview, { expand: true });
+        this.add(scrollview, { expand: true });
 
         let vAdjust = scrollview.vscroll.adjustment;
         vAdjust.connect('changed', () => this._onAdjustScopeChanged(tabData));
@@ -174,7 +176,7 @@ var Notebook = class Notebook {
         // Focus the new tab before unmapping the old one
         let tabData = this._tabs[index];
         if (!tabData.scrollView.navigate_focus(null, St.DirectionType.TAB_FORWARD, false))
-            this.actor.grab_key_focus();
+            this.grab_key_focus();
 
         this._unselect();
 
@@ -234,8 +236,7 @@ var Notebook = class Notebook {
 
         this.selectIndex(prevIndex);
     }
-};
-Signals.addSignalMethods(Notebook.prototype);
+});
 
 function objectToString(o) {
     if (typeof o == typeof objectToString) {
@@ -246,57 +247,64 @@ function objectToString(o) {
     }
 }
 
-var ObjLink = class ObjLink {
-    constructor(lookingGlass, o, title) {
+var ObjLink = GObject.registerClass(
+class ObjLink extends St.Button {
+    _init(lookingGlass, o, title) {
         let text;
         if (title)
             text = title;
         else
             text = objectToString(o);
         text = GLib.markup_escape_text(text, -1);
+
+        super._init({
+            reactive: true,
+            track_hover: true,
+            style_class: 'shell-link',
+            label: text
+        });
+        this.get_child().single_line_mode = true;
+
         this._obj = o;
-
-        this.actor = new St.Button({ reactive: true,
-                                     track_hover: true,
-                                     style_class: 'shell-link',
-                                     label: text });
-        this.actor.get_child().single_line_mode = true;
-        this.actor.connect('clicked', this._onClicked.bind(this));
-
         this._lookingGlass = lookingGlass;
     }
 
-    _onClicked() {
-        this._lookingGlass.inspectObject(this._obj, this.actor);
+    vfunc_clicked() {
+        this._lookingGlass.inspectObject(this._obj, this);
     }
-};
+});
+
+var Result = GObject.registerClass({
+    GTypeName: 'LookingClass_Result'
+}, class Result extends St.BoxLayout {
+    _init(lookingGlass, command, o, index) {
+        super._init({ vertical: true });
 
-var Result = class Result {
-    constructor(lookingGlass, command, o, index) {
         this.index = index;
         this.o = o;
 
-        this.actor = new St.BoxLayout({ vertical: true });
         this._lookingGlass = lookingGlass;
 
         let cmdTxt = new St.Label({ text: command });
         cmdTxt.clutter_text.ellipsize = Pango.EllipsizeMode.END;
-        this.actor.add(cmdTxt);
+        this.add(cmdTxt);
         let box = new St.BoxLayout({});
-        this.actor.add(box);
+        this.add(box);
         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);
-        box.add(objLink.actor);
+        box.add(objLink);
     }
-};
+});
 
-var WindowList = class WindowList {
-    constructor(lookingGlass) {
-        this.actor = new St.BoxLayout({ name: 'Windows', vertical: true, style: 'spacing: 8px' });
+var WindowList = GObject.registerClass({
+    GTypeName: 'LookingClass_WindowList'
+}, class WindowList extends St.BoxLayout {
+    _init(lookingGlass) {
+        super._init({ name: 'Windows', vertical: true, style: 'spacing: 8px' });
         let tracker = Shell.WindowTracker.get_default();
-        this._updateId = Main.initializeDeferredWork(this.actor, this._updateWindowList.bind(this));
+        this._updateId = Main.initializeDeferredWork(this, this._updateWindowList.bind(this));
         global.display.connect('window-created', this._updateWindowList.bind(this));
         tracker.connect('tracked-windows-changed', this._updateWindowList.bind(this));
 
@@ -307,7 +315,7 @@ var WindowList = class WindowList {
         if (!this._lookingGlass.isOpen)
             return;
 
-        this.actor.destroy_all_children();
+        this.destroy_all_children();
         let windows = global.get_window_actors();
         let tracker = Shell.WindowTracker.get_default();
         for (let i = 0; i < windows.length; i++) {
@@ -318,9 +326,9 @@ var WindowList = class WindowList {
                 metaWindow._lookingGlassManaged = true;
             }
             let box = new St.BoxLayout({ vertical: true });
-            this.actor.add(box);
+            this.add(box);
             let windowLink = new ObjLink(this._lookingGlass, metaWindow, metaWindow.title);
-            box.add(windowLink.actor, { x_align: St.Align.START, x_fill: false });
+            box.add(windowLink, { 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()}` }));
@@ -331,7 +339,7 @@ var WindowList = class WindowList {
                 propsBox.add(propBox);
                 propBox.add(new St.Label({ text: 'app: ' }), { y_fill: false });
                 let appLink = new ObjLink(this._lookingGlass, app, app.get_id());
-                propBox.add(appLink.actor, { y_fill: false });
+                propBox.add(appLink, { y_fill: false });
                 propBox.add(icon, { y_fill: false });
             } else {
                 propsBox.add(new St.Label({ text: '<untracked>' }));
@@ -342,23 +350,27 @@ var WindowList = class WindowList {
     update() {
         this._updateWindowList();
     }
-};
-Signals.addSignalMethods(WindowList.prototype);
+});
+
+var ObjInspector = GObject.registerClass(
+class ObjInspector extends St.ScrollView {
+    _init(lookingGlass) {
+        super._init({
+            pivot_point: new Graphene.Point({ x: 0.5, y: 0.5 }),
+            x_fill: true,
+            y_fill: true
+        });
 
-var ObjInspector = class ObjInspector {
-    constructor(lookingGlass) {
         this._obj = null;
         this._previousObj = null;
 
         this._parentList = [];
 
-        this.actor = new St.ScrollView({ pivot_point: new Clutter.Point({ x: 0.5, y: 0.5 }),
-                                         x_fill: true, y_fill: true });
-        this.actor.get_hscroll_bar().hide();
+        this.get_hscroll_bar().hide();
         this._container = new St.BoxLayout({ name: 'LookingGlassPropertyInspector',
                                              style_class: 'lg-dialog',
                                              vertical: true });
-        this.actor.add_actor(this._container);
+        this.add_actor(this._container);
 
         this._lookingGlass = lookingGlass;
     }
@@ -404,7 +416,7 @@ var ObjInspector = class ObjInspector {
                 let link;
                 try {
                     let prop = obj[propName];
-                    link = new ObjLink(this._lookingGlass, prop).actor;
+                    link = new ObjLink(this._lookingGlass, prop);
                 } catch (e) {
                     link = new St.Label({ text: '<error>' });
                 }
@@ -421,17 +433,17 @@ var ObjInspector = class ObjInspector {
             return;
         this._previousObj = null;
         this._open = true;
-        this.actor.show();
+        this.show();
         if (sourceActor) {
-            this.actor.set_scale(0, 0);
-            this.actor.ease({
+            this.set_scale(0, 0);
+            this.ease({
                 scale_x: 1,
                 scale_y: 1,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-                time: 200
+                duration: 200
             });
         } else {
-            this.actor.set_scale(1, 1);
+            this.set_scale(1, 1);
         }
     }
 
@@ -439,7 +451,7 @@ var ObjInspector = class ObjInspector {
         if (!this._open)
             return;
         this._open = false;
-        this.actor.hide();
+        this.hide();
         this._previousObj = null;
         this._obj = null;
     }
@@ -453,7 +465,7 @@ var ObjInspector = class ObjInspector {
     _onBack() {
         this.selectObject(this._previousObj, true);
     }
-};
+});
 
 var RedBorderEffect = GObject.registerClass(
 class RedBorderEffect extends Clutter.Effect {
@@ -465,16 +477,16 @@ class RedBorderEffect extends Clutter.Effect {
         color.init_from_4ub(0xff, 0, 0, 0xc4);
         Cogl.set_source_color(color);
 
-        let geom = actor.get_allocation_geometry();
+        let alloc = actor.get_allocation_box();
         let width = 2;
 
         // clockwise order
-        Cogl.rectangle(0, 0, geom.width, width);
-        Cogl.rectangle(geom.width - width, width,
-                       geom.width, geom.height);
-        Cogl.rectangle(0, geom.height,
-                       geom.width - width, geom.height - width);
-        Cogl.rectangle(0, geom.height - width,
+        Cogl.rectangle(0, 0, alloc.get_width(), width);
+        Cogl.rectangle(alloc.get_width() - width, width,
+                       alloc.get_width(), alloc.get_height());
+        Cogl.rectangle(0, alloc.get_height(),
+                       alloc.get_width() - width, alloc.get_height() - width);
+        Cogl.rectangle(0, alloc.get_height() - width,
                        width, width);
     }
 });
@@ -484,8 +496,7 @@ var Inspector = GObject.registerClass({
                'target': { param_types: [Clutter.Actor.$gtype, GObject.TYPE_DOUBLE, GObject.TYPE_DOUBLE] } },
 }, class Inspector extends Clutter.Actor {
     _init(lookingGlass) {
-        super._init({ width: 0,
-                      height: 0 });
+        super._init({ width: 0, height: 0 });
 
         Main.uiGroup.add_actor(this);
 
@@ -620,18 +631,20 @@ var Inspector = GObject.registerClass({
     }
 });
 
-var Extensions = class Extensions {
-    constructor(lookingGlass) {
+var Extensions = GObject.registerClass({
+    GTypeName: 'LookingClass_Extensions'
+}, class Extensions extends St.BoxLayout {
+    _init(lookingGlass) {
+        super._init({ vertical: true, name: 'lookingGlassExtensions' });
+
         this._lookingGlass = lookingGlass;
-        this.actor = new St.BoxLayout({ vertical: true,
-                                        name: 'lookingGlassExtensions' });
         this._noExtensions = new St.Label({ style_class: 'lg-extensions-none',
                                             text: _("No extensions installed") });
         this._numExtensions = 0;
         this._extensionsList = new St.BoxLayout({ vertical: true,
                                                   style_class: 'lg-extensions-list' });
         this._extensionsList.add(this._noExtensions);
-        this.actor.add(this._extensionsList);
+        this.add(this._extensionsList);
 
         Main.extensionManager.getUuids().forEach(uuid => {
             this._loadExtension(null, uuid);
@@ -759,10 +772,19 @@ var Extensions = class Extensions {
 
         return box;
     }
-};
+});
+
+var LookingGlass = GObject.registerClass(
+class LookingGlass extends St.BoxLayout {
+    _init() {
+        super._init({
+            name: 'LookingGlassDialog',
+            style_class: 'lg-dialog',
+            vertical: true,
+            visible: false,
+            reactive: true
+        });
 
-var LookingGlass = class LookingGlass {
-    constructor() {
         this._borderPaintTarget = null;
         this._redBorderEffect = new RedBorderEffect();
 
@@ -770,26 +792,18 @@ var LookingGlass = class LookingGlass {
 
         this._it = null;
         this._offset = 0;
-        this._results = [];
 
         // Sort of magic, but...eh.
         this._maxItems = 150;
 
-        this.actor = new St.BoxLayout({ name: 'LookingGlassDialog',
-                                        style_class: 'lg-dialog',
-                                        vertical: true,
-                                        visible: false,
-                                        reactive: true });
-        this.actor.connect('key-press-event', this._globalKeyPressEvent.bind(this));
-
         this._interfaceSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.interface' });
         this._interfaceSettings.connect('changed::monospace-font-name',
                                         this._updateFont.bind(this));
         this._updateFont();
 
         // We want it to appear to slide out from underneath the panel
-        Main.uiGroup.add_actor(this.actor);
-        Main.uiGroup.set_child_below_sibling(this.actor,
+        Main.uiGroup.add_actor(this);
+        Main.uiGroup.set_child_below_sibling(this,
                                              Main.layoutManager.panelBox);
         Main.layoutManager.panelBox.connect('allocation-changed',
                                             this._queueResize.bind(this));
@@ -797,11 +811,11 @@ var LookingGlass = class LookingGlass {
                                                this._queueResize.bind(this));
 
         this._objInspector = new ObjInspector(this);
-        Main.uiGroup.add_actor(this._objInspector.actor);
-        this._objInspector.actor.hide();
+        Main.uiGroup.add_actor(this._objInspector);
+        this._objInspector.hide();
 
         let toolbar = new St.BoxLayout({ name: 'Toolbar' });
-        this.actor.add_actor(toolbar);
+        this.add_actor(toolbar);
         let inspectIcon = new St.Icon({ icon_name: 'gtk-color-picker',
                                         icon_size: 24 });
         toolbar.add_actor(inspectIcon);
@@ -812,10 +826,10 @@ var LookingGlass = class LookingGlass {
                 this._pushResult(`inspect(${Math.round(stageX)}, ${Math.round(stageY)})`, target);
             });
             inspector.connect('closed', () => {
-                this.actor.show();
+                this.show();
                 global.stage.set_key_focus(this._entry);
             });
-            this.actor.hide();
+            this.hide();
             return Clutter.EVENT_STOP;
         });
 
@@ -837,7 +851,7 @@ var LookingGlass = class LookingGlass {
 
         let notebook = new Notebook();
         this._notebook = notebook;
-        this.actor.add(notebook.actor, { expand: true });
+        this.add(notebook, { expand: true });
 
         let emptyBox = new St.Bin();
         toolbar.add(emptyBox, { expand: true });
@@ -860,10 +874,10 @@ var LookingGlass = class LookingGlass {
         this._entryArea.add(this._entry, { expand: true });
 
         this._windowList = new WindowList(this);
-        notebook.appendPage('Windows', this._windowList.actor);
+        notebook.appendPage('Windows', this._windowList);
 
         this._extensions = new Extensions(this);
-        notebook.appendPage('Extensions', this._extensions.actor);
+        notebook.appendPage('Extensions', this._extensions);
 
         this._entry.clutter_text.connect('activate', (o, _e) => {
             // Hide any completions we are currently showing
@@ -881,7 +895,7 @@ var LookingGlass = class LookingGlass {
             return true;
         });
 
-        this._history = new History.HistoryManager({ gsettingsKey: HISTORY_KEY, 
+        this._history = new History.HistoryManager({ gsettingsKey: HISTORY_KEY,
                                                      entry: this._entry.clutter_text });
 
         this._autoComplete = new AutoComplete(this._entry);
@@ -905,7 +919,7 @@ var LookingGlass = class LookingGlass {
         // monospace font to be bold/oblique/etc. Could easily be added here.
         let size = fontDesc.get_size() / 1024.;
         let unit = fontDesc.get_size_is_absolute() ? 'px' : 'pt';
-        this.actor.style = `
+        this.style = `
             font-size: ${size}${unit};
             font-family: "${fontDesc.get_family()}";`;
     }
@@ -919,17 +933,14 @@ var LookingGlass = class LookingGlass {
     }
 
     _pushResult(command, obj) {
-        let index = this._results.length + this._offset;
+        let index = this._resultsArea.get_n_children() + this._offset;
         let result = new Result(this, CHEVRON + command, obj, index);
-        this._results.push(result);
-        this._resultsArea.add(result.actor);
+        this._resultsArea.add(result);
         if (obj instanceof Clutter.Actor)
             this.setBorderPaintTarget(obj);
 
-        let children = this._resultsArea.get_children();
-        if (children.length > this._maxItems) {
-            this._results.shift();
-            children[0].destroy();
+        if (this._resultsArea.get_n_children() > this._maxItems) {
+            this._resultsArea.get_first_child().destroy();
             this._offset++;
         }
         this._it = obj;
@@ -1016,7 +1027,7 @@ var LookingGlass = class LookingGlass {
 
     getResult(idx) {
         try {
-            return this._results[idx - this._offset].o;
+            return this._resultsArea.get_child_at_index(idx - this._offset).o;
         } catch (e) {
             throw new Error(`Unknown result at index ${idx}`);
         }
@@ -1041,15 +1052,15 @@ var LookingGlass = class LookingGlass {
         let myWidth = primary.width * 0.7;
         let availableHeight = primary.height - Main.layoutManager.keyboardBox.height;
         let myHeight = Math.min(primary.height * 0.7, availableHeight * 0.9);
-        this.actor.x = primary.x + (primary.width - myWidth) / 2;
+        this.x = primary.x + (primary.width - myWidth) / 2;
         this._hiddenY = primary.y + Main.layoutManager.panelBox.height - myHeight;
         this._targetY = this._hiddenY + myHeight;
-        this.actor.y = this._hiddenY;
-        this.actor.width = myWidth;
-        this.actor.height = myHeight;
-        this._objInspector.actor.set_size(Math.floor(myWidth * 0.8), Math.floor(myHeight * 0.8));
-        this._objInspector.actor.set_position(this.actor.x + Math.floor(myWidth * 0.1),
-                                              this._targetY + Math.floor(myHeight * 0.1));
+        this.y = this._hiddenY;
+        this.width = myWidth;
+        this.height = myHeight;
+        this._objInspector.set_size(Math.floor(myWidth * 0.8), Math.floor(myHeight * 0.8));
+        this._objInspector.set_position(this.x + Math.floor(myWidth * 0.1),
+                                        this._targetY + Math.floor(myHeight * 0.1));
     }
 
     insertObject(obj) {
@@ -1062,11 +1073,10 @@ var LookingGlass = class LookingGlass {
     }
 
     // Handle key events which are relevant for all tabs of the LookingGlass
-    _globalKeyPressEvent(actor, event) {
-        let symbol = event.get_key_symbol();
-        let modifierState = event.get_state();
+    vfunc_key_press_event(keyPressEvent) {
+        let symbol = keyPressEvent.keyval;
         if (symbol == Clutter.Escape) {
-            if (this._objInspector.actor.visible) {
+            if (this._objInspector.visible) {
                 this._objInspector.close();
             } else {
                 this.close();
@@ -1074,7 +1084,7 @@ var LookingGlass = class LookingGlass {
             return Clutter.EVENT_STOP;
         }
         // Ctrl+PgUp and Ctrl+PgDown switches tabs in the notebook view
-        if (modifierState & Clutter.ModifierType.CONTROL_MASK) {
+        if (keyPressEvent.modifier_state & Clutter.ModifierType.CONTROL_MASK) {
             if (symbol == Clutter.KEY_Page_Up) {
                 this._notebook.prevTab();
             } else if (symbol == Clutter.KEY_Page_Down) {
@@ -1092,16 +1102,16 @@ var LookingGlass = class LookingGlass {
             return;
 
         this._notebook.selectIndex(0);
-        this.actor.show();
+        this.show();
         this._open = true;
         this._history.lastItem();
 
-        this.actor.remove_all_transitions();
+        this.remove_all_transitions();
 
         // We inverse compensate for the slow-down so you can change the factor
         // through LookingGlass without long waits.
         let duration = LG_ANIMATION_TIME / St.Settings.get().slow_down_factor;
-        this.actor.ease({
+        this.ease({
             y: this._targetY,
             duration,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD
@@ -1114,10 +1124,10 @@ var LookingGlass = class LookingGlass {
         if (!this._open)
             return;
 
-        this._objInspector.actor.hide();
+        this._objInspector.hide();
 
         this._open = false;
-        this.actor.remove_all_transitions();
+        this.remove_all_transitions();
 
         this.setBorderPaintTarget(null);
 
@@ -1126,16 +1136,15 @@ var LookingGlass = class LookingGlass {
         let settings = St.Settings.get();
         let duration = Math.min(LG_ANIMATION_TIME / settings.slow_down_factor,
                                 LG_ANIMATION_TIME);
-        this.actor.ease({
+        this.ease({
             y: this._hiddenY,
             duration,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-            onComplete: () => this.actor.hide()
+            onComplete: () => this.hide()
         });
     }
 
     get isOpen() {
         return this._open;
     }
-};
-Signals.addSignalMethods(LookingGlass.prototype);
+});

js/ui/magnifier.js

@@ -264,7 +264,7 @@ var Magnifier = class Magnifier {
         zoomRegion.setViewPort(viewPort);
 
         // We ignore the redundant width/height on the ROI
-        let fixedROI = new Object(roi);
+        let fixedROI = Object.create(roi);
         fixedROI.width = viewPort.width / xMagFactor;
         fixedROI.height = viewPort.height / yMagFactor;
         zoomRegion.setROI(fixedROI);
@@ -451,15 +451,11 @@ var Magnifier = class Magnifier {
      * @clip:   Flag to indicate whether to clip the crosshairs.
      */
     setCrosshairsClip(clip) {
-        if (clip) {
-            if (this._crossHairs)
-                this._crossHairs.setClip(CROSSHAIRS_CLIP_SIZE);
-        } else {
-            // Setting no clipping on crosshairs means a zero sized clip
-            // rectangle.
-            if (this._crossHairs)
-                this._crossHairs.setClip([0, 0]);
-        }
+        if (!this._crossHairs)
+            return;
+
+        // Setting no clipping on crosshairs means a zero sized clip rectangle.
+        this._crossHairs.setClip(clip ? CROSSHAIRS_CLIP_SIZE : [0, 0]);
     }
 
     /**
@@ -1294,7 +1290,7 @@ var ZoomRegion = class ZoomRegion {
 
         // Add a background for when the magnified uiGroup is scrolled
         // out of view (don't want to see desktop showing through).
-        this._background = (new Background.SystemBackground()).actor;
+        this._background = new Background.SystemBackground();
         mainGroup.add_actor(this._background);
 
         // Clone the group that contains all of UI on the screen.  This is the
@@ -1591,8 +1587,9 @@ var ZoomRegion = class ZoomRegion {
     }
 };
 
-var Crosshairs = class Crosshairs {
-    constructor() {
+var Crosshairs = GObject.registerClass(
+class Crosshairs extends Clutter.Actor {
+    _init() {
 
         // Set the group containing the crosshairs to three times the desktop
         // size in case the crosshairs need to appear to be infinite in
@@ -1600,7 +1597,7 @@ var Crosshairs = class Crosshairs {
         let groupWidth = global.screen_width * 3;
         let groupHeight = global.screen_height * 3;
 
-        this._actor = new Clutter.Actor({
+        super._init({
             clip_to_allocation: false,
             width: groupWidth,
             height: groupHeight
@@ -1609,10 +1606,10 @@ var Crosshairs = class Crosshairs {
         this._horizRightHair = new Clutter.Actor();
         this._vertTopHair = new Clutter.Actor();
         this._vertBottomHair = new Clutter.Actor();
-        this._actor.add_actor(this._horizLeftHair);
-        this._actor.add_actor(this._horizRightHair);
-        this._actor.add_actor(this._vertTopHair);
-        this._actor.add_actor(this._vertBottomHair);
+        this.add_actor(this._horizLeftHair);
+        this.add_actor(this._horizRightHair);
+        this.add_actor(this._vertTopHair);
+        this.add_actor(this._vertBottomHair);
         this._clipSize = [0, 0];
         this._clones = [];
         this.reCenter();
@@ -1622,7 +1619,7 @@ var Crosshairs = class Crosshairs {
     }
 
     _monitorsChanged() {
-        this._actor.set_size(global.screen_width * 3, global.screen_height * 3);
+        this.set_size(global.screen_width * 3, global.screen_height * 3);
         this.reCenter();
     }
 
@@ -1643,12 +1640,15 @@ var Crosshairs = class Crosshairs {
         if (zoomRegion && magnifiedMouse) {
             let container = magnifiedMouse.get_parent();
             if (container) {
-                crosshairsActor = this._actor;
-                if (this._actor.get_parent() != null) {
-                    crosshairsActor = new Clutter.Clone({ source: this._actor });
+                crosshairsActor = this;
+                if (this.get_parent() != null) {
+                    crosshairsActor = new Clutter.Clone({ source: this });
                     this._clones.push(crosshairsActor);
+
+                    // Clones don't share visibility.
+                    this.bind_property('visible', crosshairsActor, 'visible',
+                                       GObject.BindingFlags.SYNC_CREATE);
                 }
-                crosshairsActor.visible = this._actor.visible;
 
                 container.add_actor(crosshairsActor);
                 container.raise_child(magnifiedMouse, crosshairsActor);
@@ -1667,7 +1667,7 @@ var Crosshairs = class Crosshairs {
      * child actor if it was just a clone of the crosshairs actor.
      */
     removeFromParent(childActor) {
-        if (childActor == this._actor)
+        if (childActor == this)
             childActor.get_parent().remove_actor(childActor);
         else
             childActor.destroy();
@@ -1777,28 +1777,6 @@ var Crosshairs = class Crosshairs {
         }
     }
 
-    /**
-     * show:
-     * Show the crosshairs.
-     */
-    show() {
-        this._actor.show();
-        // Clones don't share visibility.
-        for (let i = 0; i < this._clones.length; i++)
-            this._clones[i].show();
-    }
-
-    /**
-     * hide:
-     * Hide the crosshairs.
-     */
-    hide() {
-        this._actor.hide();
-        // Clones don't share visibility.
-        for (let i = 0; i < this._clones.length; i++)
-            this._clones[i].hide();
-    }
-
     /**
      * reCenter:
      * Reposition the horizontal and vertical hairs such that they cross at
@@ -1807,7 +1785,7 @@ var Crosshairs = class Crosshairs {
      * @clipSize:  Optional.  If present, an array of the form [width, height].
      */
     reCenter(clipSize) {
-        let [groupWidth, groupHeight] = this._actor.get_size();
+        let [groupWidth, groupHeight] = this.get_size();
         let leftLength = this._horizLeftHair.get_width();
         let topLength = this._vertTopHair.get_height();
         let thickness = this._horizLeftHair.get_height();
@@ -1829,7 +1807,7 @@ var Crosshairs = class Crosshairs {
         this._vertTopHair.set_position((groupWidth - thickness) / 2, top);
         this._vertBottomHair.set_position((groupWidth - thickness) / 2, bottom);
     }
-};
+});
 
 var MagShaderEffects = class MagShaderEffects {
     constructor(uiGroupClone) {

js/ui/main.js

@@ -189,7 +189,7 @@ function _initializeUI() {
 
     messageTray = new MessageTray.MessageTray();
     panel = new Panel.Panel();
-    keyboard = new Keyboard.Keyboard();
+    keyboard = new Keyboard.KeyboardManager();
     notificationDaemon = new NotificationDaemon.NotificationDaemon();
     windowAttentionHandler = new WindowAttentionHandler.WindowAttentionHandler();
     componentManager = new Components.ComponentManager();
@@ -229,7 +229,11 @@ function _initializeUI() {
     EndSessionDialog.init();
 
     // We're ready for the session manager to move to the next phase
-    Meta.register_with_session();
+    GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
+        Shell.util_sd_notify();
+        Meta.register_with_session();
+        return GLib.SOURCE_REMOVE;
+    });
 
     _startDate = new Date();
 
@@ -258,6 +262,19 @@ function _initializeUI() {
             });
         }
 
+        let credentials = new Gio.Credentials();
+        if (credentials.get_unix_user() === 0) {
+            notify(_('Logged in as a privileged user'),
+                   _('Running a session as a privileged user should be avoided for security reasons. If possible, you should log in as a normal user.'));
+        }
+
+        if (sessionMode.currentMode !== 'gdm' &&
+            sessionMode.currentMode !== 'initial-setup' &&
+            screenShield === null) {
+            notify(_('Screen Lock disabled'),
+                   _('Screen Locking requires the GNOME display manager.'));
+        }
+
         LoginManager.registerSessionWithGDM();
 
         let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
@@ -386,7 +403,7 @@ function notify(msg, details) {
     messageTray.add(source);
     let notification = new MessageTray.Notification(source, msg, details);
     notification.setTransient(true);
-    source.notify(notification);
+    source.showNotification(notification);
 }
 
 /**
@@ -705,7 +722,6 @@ function queueDeferredWork(workId) {
         _deferredWorkQueue.push(workId);
     if (data.actor.mapped) {
         _queueBeforeRedraw(workId);
-        return;
     } else if (_deferredTimeoutId == 0) {
         _deferredTimeoutId = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, DEFERRED_TIMEOUT_SECONDS, () => {
             _runAllDeferredWork();

js/ui/messageList.js

@@ -1,7 +1,8 @@
-const { Atk, Clutter, Gio, GLib, GObject, Meta, Pango, St } = imports.gi;
+/* exported MessageListSection */
+const { Atk, Clutter, Gio, GLib,
+        GObject, Graphene, Meta, Pango, St } = imports.gi;
 const Main = imports.ui.main;
 const MessageTray = imports.ui.messageTray;
-const Signals = imports.signals;
 
 const Calendar = imports.ui.calendar;
 const Util = imports.misc.util;
@@ -31,13 +32,18 @@ function _fixMarkup(text, allowMarkup) {
     return GLib.markup_escape_text(text, -1);
 }
 
-var URLHighlighter = class URLHighlighter {
-    constructor(text = '', lineWrap, allowMarkup) {
-        this.actor = new St.Label({ reactive: true, style_class: 'url-highlighter',
-                                    x_expand: true, x_align: Clutter.ActorAlign.START });
+var URLHighlighter = GObject.registerClass(
+class URLHighlighter extends St.Label {
+    _init(text = '', lineWrap, allowMarkup) {
+        super._init({
+            reactive: true,
+            style_class: 'url-highlighter',
+            x_expand: true,
+            x_align: Clutter.ActorAlign.START
+        });
         this._linkColor = '#ccccff';
-        this.actor.connect('style-changed', () => {
-            let [hasColor, color] = this.actor.get_theme_node().lookup_color('link-color', false);
+        this.connect('style-changed', () => {
+            let [hasColor, color] = this.get_theme_node().lookup_color('link-color', false);
             if (hasColor) {
                 let linkColor = color.to_string().substr(0, 7);
                 if (linkColor != this._linkColor) {
@@ -46,70 +52,75 @@ var URLHighlighter = class URLHighlighter {
                 }
             }
         });
-        this.actor.clutter_text.line_wrap = lineWrap;
-        this.actor.clutter_text.line_wrap_mode = Pango.WrapMode.WORD_CHAR;
+        this.clutter_text.line_wrap = lineWrap;
+        this.clutter_text.line_wrap_mode = Pango.WrapMode.WORD_CHAR;
 
         this.setMarkup(text, allowMarkup);
-        this.actor.connect('button-press-event', (actor, event) => {
-            // Don't try to URL highlight when invisible.
-            // The MessageTray doesn't actually hide us, so
-            // we need to check for paint opacities as well.
-            if (!actor.visible || actor.get_paint_opacity() == 0)
-                return Clutter.EVENT_PROPAGATE;
+    }
 
-            // Keep Notification.actor from seeing this and taking
-            // a pointer grab, which would block our button-release-event
-            // handler, if an URL is clicked
-            return this._findUrlAtPos(event) != -1;
-        });
-        this.actor.connect('button-release-event', (actor, event) => {
-            if (!actor.visible || actor.get_paint_opacity() == 0)
-                return Clutter.EVENT_PROPAGATE;
-
-            let urlId = this._findUrlAtPos(event);
-            if (urlId != -1) {
-                let url = this._urls[urlId].url;
-                if (!url.includes(':'))
-                    url = 'http://' + url;
-
-                Gio.app_info_launch_default_for_uri(url, global.create_app_launch_context(0, -1));
-                return Clutter.EVENT_STOP;
-            }
+    vfunc_button_press_event(buttonEvent) {
+        // Don't try to URL highlight when invisible.
+        // The MessageTray doesn't actually hide us, so
+        // we need to check for paint opacities as well.
+        if (!this.visible || this.get_paint_opacity() == 0)
             return Clutter.EVENT_PROPAGATE;
-        });
-        this.actor.connect('motion-event', (actor, event) => {
-            if (!actor.visible || actor.get_paint_opacity() == 0)
-                return Clutter.EVENT_PROPAGATE;
 
-            let urlId = this._findUrlAtPos(event);
-            if (urlId != -1 && !this._cursorChanged) {
-                global.display.set_cursor(Meta.Cursor.POINTING_HAND);
-                this._cursorChanged = true;
-            } else if (urlId == -1) {
-                global.display.set_cursor(Meta.Cursor.DEFAULT);
-                this._cursorChanged = false;
-            }
-            return Clutter.EVENT_PROPAGATE;
-        });
-        this.actor.connect('leave-event', () => {
-            if (!this.actor.visible || this.actor.get_paint_opacity() == 0)
-                return Clutter.EVENT_PROPAGATE;
+        // Keep Notification from seeing this and taking
+        // a pointer grab, which would block our button-release-event
+        // handler, if an URL is clicked
+        return this._findUrlAtPos(buttonEvent) != -1;
+    }
 
-            if (this._cursorChanged) {
-                this._cursorChanged = false;
-                global.display.set_cursor(Meta.Cursor.DEFAULT);
-            }
+    vfunc_button_release_event(buttonEvent) {
+        if (!this.visible || this.get_paint_opacity() == 0)
             return Clutter.EVENT_PROPAGATE;
-        });
+
+        let urlId = this._findUrlAtPos(buttonEvent);
+        if (urlId != -1) {
+            let url = this._urls[urlId].url;
+            if (!url.includes(':'))
+                url = 'http://' + url;
+
+            Gio.app_info_launch_default_for_uri(
+                url, global.create_app_launch_context(0, -1));
+            return Clutter.EVENT_STOP;
+        }
+        return Clutter.EVENT_PROPAGATE;
+    }
+
+    vfunc_motion_event(motionEvent) {
+        if (!this.visible || this.get_paint_opacity() == 0)
+            return Clutter.EVENT_PROPAGATE;
+
+        let urlId = this._findUrlAtPos(motionEvent);
+        if (urlId != -1 && !this._cursorChanged) {
+            global.display.set_cursor(Meta.Cursor.POINTING_HAND);
+            this._cursorChanged = true;
+        } else if (urlId == -1) {
+            global.display.set_cursor(Meta.Cursor.DEFAULT);
+            this._cursorChanged = false;
+        }
+        return Clutter.EVENT_PROPAGATE;
+    }
+
+    vfunc_leave_event(crossingEvent) {
+        if (!this.visible || this.get_paint_opacity() == 0)
+            return Clutter.EVENT_PROPAGATE;
+
+        if (this._cursorChanged) {
+            this._cursorChanged = false;
+            global.display.set_cursor(Meta.Cursor.DEFAULT);
+        }
+        return super.vfunc_leave_event(crossingEvent);
     }
 
     setMarkup(text, allowMarkup) {
         text = text ? _fixMarkup(text, allowMarkup) : '';
         this._text = text;
 
-        this.actor.clutter_text.set_markup(text);
+        this.clutter_text.set_markup(text);
         /* clutter_text.text contain text without markup */
-        this._urls = Util.findUrls(this.actor.clutter_text.text);
+        this._urls = Util.findUrls(this.clutter_text.text);
         this._highlightUrls();
     }
 
@@ -125,16 +136,15 @@ var URLHighlighter = class URLHighlighter {
             pos = url.pos + url.url.length;
         }
         markup += this._text.substr(pos);
-        this.actor.clutter_text.set_markup(markup);
+        this.clutter_text.set_markup(markup);
     }
 
     _findUrlAtPos(event) {
-        let success_;
-        let [x, y] = event.get_coords();
-        [success_, x, y] = this.actor.transform_stage_point(x, y);
+        let { x, y } = event;
+        [, x, y] = this.transform_stage_point(x, y);
         let findPos = -1;
-        for (let i = 0; i < this.actor.clutter_text.text.length; i++) {
-            let [success_, px, py, lineHeight] = this.actor.clutter_text.position_to_coords(i);
+        for (let i = 0; i < this.clutter_text.text.length; i++) {
+            let [, px, py, lineHeight] = this.clutter_text.position_to_coords(i);
             if (py > y || py + lineHeight < y || x < px)
                 continue;
             findPos = i;
@@ -147,7 +157,7 @@ var URLHighlighter = class URLHighlighter {
         }
         return -1;
     }
-};
+});
 
 var ScaleLayout = GObject.registerClass(
 class ScaleLayout extends Clutter.BinLayout {
@@ -283,21 +293,29 @@ var LabelExpanderLayout = GObject.registerClass({
     }
 });
 
-var Message = class Message {
-    constructor(title, body) {
-        this.expanded = false;
 
+var Message = GObject.registerClass({
+    GTypeName: 'MessageList_Message',
+    Signals: {
+        'close': {},
+        'expanded': {},
+        'unexpanded': {},
+    }
+}, class Message extends St.Button {
+    _init(title, body) {
+        super._init({
+            style_class: 'message',
+            accessible_role: Atk.Role.NOTIFICATION,
+            can_focus: true,
+            x_expand: true,
+            x_fill: true
+        });
+
+        this.expanded = false;
         this._useBodyMarkup = false;
 
-        this.actor = new St.Button({ style_class: 'message',
-                                     accessible_role: Atk.Role.NOTIFICATION,
-                                     can_focus: true,
-                                     x_expand: true, x_fill: true });
-        this.actor.connect('key-press-event',
-                           this._onKeyPressed.bind(this));
-
         let vbox = new St.BoxLayout({ vertical: true });
-        this.actor.set_child(vbox);
+        this.set_child(vbox);
 
         let hbox = new St.BoxLayout();
         vbox.add_actor(hbox);
@@ -341,15 +359,14 @@ var Message = class Message {
         contentBox.add_actor(this._bodyStack);
 
         this.bodyLabel = new URLHighlighter('', false, this._useBodyMarkup);
-        this.bodyLabel.actor.add_style_class_name('message-body');
-        this._bodyStack.add_actor(this.bodyLabel.actor);
+        this.bodyLabel.add_style_class_name('message-body');
+        this._bodyStack.add_actor(this.bodyLabel);
         this.setBody(body);
 
         this._closeButton.connect('clicked', this.close.bind(this));
-        let actorHoverId = this.actor.connect('notify::hover', this._sync.bind(this));
-        this._closeButton.connect('destroy', this.actor.disconnect.bind(this.actor, actorHoverId));
-        this.actor.connect('clicked', this._onClicked.bind(this));
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        let actorHoverId = this.connect('notify::hover', this._sync.bind(this));
+        this._closeButton.connect('destroy', this.disconnect.bind(this, actorHoverId));
+        this.connect('destroy', this._onDestroy.bind(this));
         this._sync();
     }
 
@@ -435,7 +452,7 @@ var Message = class Message {
         if (this._bodyStack.get_n_children() < 2) {
             this._expandedLabel = new URLHighlighter(this._bodyText,
                                                      true, this._useBodyMarkup);
-            this.setExpandedBody(this._expandedLabel.actor);
+            this.setExpandedBody(this._expandedLabel);
         }
 
         if (animate) {
@@ -488,19 +505,16 @@ var Message = class Message {
     }
 
     _sync() {
-        let visible = this.actor.hover && this.canClose();
+        let visible = this.hover && this.canClose();
         this._closeButton.opacity = visible ? 255 : 0;
         this._closeButton.reactive = visible;
     }
 
-    _onClicked() {
-    }
-
     _onDestroy() {
     }
 
-    _onKeyPressed(a, event) {
-        let keysym = event.get_key_symbol();
+    vfunc_key_press_event(keyEvent) {
+        let keysym = keyEvent.keyval;
 
         if (keysym == Clutter.KEY_Delete ||
             keysym == Clutter.KEY_KP_Delete) {
@@ -509,37 +523,66 @@ var Message = class Message {
         }
         return Clutter.EVENT_PROPAGATE;
     }
-};
-Signals.addSignalMethods(Message.prototype);
+});
 
-var MessageListSection = class MessageListSection {
-    constructor() {
-        this.actor = new St.BoxLayout({ style_class: 'message-list-section',
-                                        clip_to_allocation: true,
-                                        x_expand: true, vertical: true });
+var MessageListSection = GObject.registerClass({
+    Properties: {
+        'can-clear': GObject.ParamSpec.boolean(
+            'can-clear', 'can-clear', 'can-clear',
+            GObject.ParamFlags.READABLE,
+            false),
+        'empty': GObject.ParamSpec.boolean(
+            'empty', 'empty', 'empty',
+            GObject.ParamFlags.READABLE,
+            true),
+    },
+    Signals: {
+        'can-clear-changed': {},
+        'empty-changed': {},
+        'message-focused': { param_types: [Message.$gtype] },
+    }
+}, class MessageListSection extends St.BoxLayout {
+    _init() {
+        super._init({
+            style_class: 'message-list-section',
+            clip_to_allocation: true,
+            vertical: true,
+            x_expand: true
+        });
 
         this._list = new St.BoxLayout({ style_class: 'message-list-section-list',
                                         vertical: true });
-        this.actor.add_actor(this._list);
+        this.add_actor(this._list);
 
         this._list.connect('actor-added', this._sync.bind(this));
         this._list.connect('actor-removed', this._sync.bind(this));
 
         let id = Main.sessionMode.connect('updated',
                                           this._sync.bind(this));
-        this.actor.connect('destroy', () => {
+        this.connect('destroy', () => {
             Main.sessionMode.disconnect(id);
         });
 
-        this._messages = new Map();
         this._date = new Date();
-        this.empty = true;
-        this.canClear = false;
+        this._empty = true;
+        this._canClear = false;
         this._sync();
     }
 
-    _onKeyFocusIn(actor) {
-        this.emit('key-focus-in', actor);
+    get empty() {
+        return this._empty;
+    }
+
+    get canClear() {
+        return this._canClear;
+    }
+
+    get _messages() {
+        return this._list.get_children().map(i => i.child);
+    }
+
+    _onKeyFocusIn(messageActor) {
+        this.emit('message-focused', messageActor);
     }
 
     get allowed() {
@@ -558,58 +601,62 @@ var MessageListSection = class MessageListSection {
     }
 
     addMessageAtIndex(message, index, animate) {
-        let obj = {
-            container: null,
-            destroyId: 0,
-            keyFocusId: 0,
-            closeId: 0
-        };
-        let pivot = new Clutter.Point({ x: .5, y: .5 });
-        let scale = animate ? 0 : 1;
-        obj.container = new St.Widget({ layout_manager: new ScaleLayout(),
-                                        pivot_point: pivot,
-                                        scale_x: scale, scale_y: scale });
-        obj.keyFocusId = message.actor.connect('key-focus-in',
-            this._onKeyFocusIn.bind(this));
-        obj.destroyId = message.actor.connect('destroy', () => {
-            this.removeMessage(message, false);
+        if (this._messages.includes(message))
+            throw new Error('Message was already added previously');
+
+        let listItem = new St.Bin({
+            child: message,
+            x_fill: true,
+            y_fill: true,
+            layout_manager: new ScaleLayout(),
+            pivot_point: new Graphene.Point({ x: .5, y: .5 }),
         });
-        obj.closeId = message.connect('close', () => {
+        listItem._connectionsIds = [];
+
+        listItem._connectionsIds.push(message.connect('key-focus-in',
+            this._onKeyFocusIn.bind(this)));
+        listItem._connectionsIds.push(message.connect('close', () => {
             this.removeMessage(message, true);
-        });
+        }));
+        listItem._connectionsIds.push(message.connect('destroy', () => {
+            listItem._connectionsIds.forEach(id => message.disconnect(id));
+            listItem.destroy();
+        }));
 
-        this._messages.set(message, obj);
-        obj.container.add_actor(message.actor);
+        this._list.insert_child_at_index(listItem, index);
 
-        this._list.insert_child_at_index(obj.container, index);
-
-        if (animate)
-            obj.container.ease({
+        if (animate) {
+            listItem.set({ scale_x: 0, scale_y: 0 });
+            listItem.ease({
                 scale_x: 1,
                 scale_y: 1,
                 duration: MESSAGE_ANIMATION_TIME,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD
             });
+        }
     }
 
     moveMessage(message, index, animate) {
-        let obj = this._messages.get(message);
+        if (!this._messages.includes(message))
+            throw new Error(`Impossible to move the untracked message ${message}`);
+
+        let listItem = message.get_parent();
 
         if (!animate) {
-            this._list.set_child_at_index(obj.container, index);
+            this._list.set_child_at_index(listItem, index);
             return;
         }
 
         let onComplete = () => {
-            this._list.set_child_at_index(obj.container, index);
-            obj.container.ease({
+            this._list.set_child_at_index(listItem, index);
+            listItem.ease({
                 scale_x: 1,
                 scale_y: 1,
                 duration: MESSAGE_ANIMATION_TIME,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD
             });
         };
-        obj.container.ease({
+        listItem.ease({
             scale_x: 0,
             scale_y: 0,
             duration: MESSAGE_ANIMATION_TIME,
@@ -619,33 +666,31 @@ var MessageListSection = class MessageListSection {
     }
 
     removeMessage(message, animate) {
-        let obj = this._messages.get(message);
+        if (!this._messages.includes(message))
+            throw new Error(`Impossible to remove the untracked message ${message}`);
 
-        message.actor.disconnect(obj.destroyId);
-        message.actor.disconnect(obj.keyFocusId);
-        message.disconnect(obj.closeId);
-
-        this._messages.delete(message);
+        let listItem = message.get_parent();
+        listItem._connectionsIds.forEach(id => message.disconnect(id));
 
         if (animate) {
-            obj.container.ease({
+            listItem.ease({
                 scale_x: 0,
                 scale_y: 0,
                 duration: MESSAGE_ANIMATION_TIME,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD,
                 onComplete: () => {
-                    obj.container.destroy();
+                    listItem.destroy();
                     global.sync_pointer();
                 }
             });
         } else {
-            obj.container.destroy();
+            listItem.destroy();
             global.sync_pointer();
         }
     }
 
     clear() {
-        let messages = [...this._messages.keys()].filter(msg => msg.canClose());
+        let messages = this._messages.filter(msg => msg.canClose());
 
         // If there are few messages, letting them all zoom out looks OK
         if (messages.length < 2) {
@@ -658,9 +703,8 @@ var MessageListSection = class MessageListSection {
             let delay = MESSAGE_ANIMATION_TIME / Math.max(messages.length, 5);
             for (let i = 0; i < messages.length; i++) {
                 let message = messages[i];
-                let obj = this._messages.get(message);
-                obj.container.ease({
-                    anchor_x: this._list.width,
+                message.get_parent().ease({
+                    translation_x: this._list.width,
                     opacity: 0,
                     duration: MESSAGE_ANIMATION_TIME,
                     delay: i * delay,
@@ -671,33 +715,25 @@ var MessageListSection = class MessageListSection {
         }
     }
 
-    _canClear() {
-        for (let message of this._messages.keys())
-            if (message.canClose())
-                return true;
-        return false;
-    }
-
     _shouldShow() {
         return !this.empty;
     }
 
     _sync() {
-        let empty = this._list.get_n_children() == 0;
-        let changed = this.empty !== empty;
-        this.empty = empty;
+        let messages = this._messages;
+        let empty = messages.length == 0;
 
-        if (changed)
-            this.emit('empty-changed');
+        if (this._empty != empty) {
+            this._empty = empty;
+            this.notify('empty');
+        }
 
-        let canClear = this._canClear();
-        changed = this.canClear !== canClear;
-        this.canClear = canClear;
+        let canClear = messages.some(m => m.canClose());
+        if (this._canClear != canClear) {
+            this._canClear = canClear;
+            this.notify('can-clear');
+        }
 
-        if (changed)
-            this.emit('can-clear-changed');
-
-        this.actor.visible = this.allowed && this._shouldShow();
+        this.visible = this.allowed && this._shouldShow();
     }
-};
-Signals.addSignalMethods(MessageListSection.prototype);
+});

js/ui/messageTray.js

@@ -4,7 +4,6 @@
    SystemNotificationSource, MessageTray */
 
 const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
-const Signals = imports.signals;
 
 const Calendar = imports.ui.calendar;
 const GnomeSession = imports.misc.gnomeSession;
@@ -134,72 +133,84 @@ var FocusGrabber = class FocusGrabber {
 // source, such as whether to play sound or honour the critical bit.
 //
 // A notification without a policy object will inherit the default one.
-var NotificationPolicy = class NotificationPolicy {
-    constructor(params) {
-        params = Params.parse(params, {
-            enable: true,
-            enableSound: true,
-            showBanners: true,
-            forceExpanded: false,
-            showInLockScreen: true,
-            detailsInLockScreen: false,
-        });
-        Object.getOwnPropertyNames(params).forEach(key => {
-            let desc = Object.getOwnPropertyDescriptor(params, key);
-            Object.defineProperty(this, `_${key}`, desc);
-        });
+var NotificationPolicy = GObject.registerClass({
+    GTypeName: 'MessageTray_NotificationPolicy',
+    Properties: {
+        'enable': GObject.ParamSpec.boolean(
+            'enable', 'enable', 'enable',
+            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+            true),
+        'enable-sound': GObject.ParamSpec.boolean(
+            'enable-sound', 'enable-sound', 'enable-sound',
+            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+            true),
+        'show-banners': GObject.ParamSpec.boolean(
+            'show-banners', 'show-banners', 'show-banners',
+            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+            true),
+        'force-expanded': GObject.ParamSpec.boolean(
+            'force-expanded', 'force-expanded', 'force-expanded',
+            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+            false),
+        'show-in-lock-screen': GObject.ParamSpec.boolean(
+            'show-in-lock-screen', 'show-in-lock-screen', 'show-in-lock-screen',
+            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+            false),
+        'details-in-lock-screen': GObject.ParamSpec.boolean(
+            'details-in-lock-screen', 'details-in-lock-screen', 'details-in-lock-screen',
+            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+            false),
     }
-
+}, class NotificationPolicy extends GObject.Object {
     // Do nothing for the default policy. These methods are only useful for the
     // GSettings policy.
     store() { }
 
-    destroy() { }
-
-    get enable() {
-        return this._enable;
+    destroy() {
+        this.run_dispose();
     }
 
     get enableSound() {
-        return this._enableSound;
+        return this.enable_sound;
     }
 
     get showBanners() {
-        return this._showBanners;
+        return this.show_banners;
     }
 
     get forceExpanded() {
-        return this._forceExpanded;
+        return this.force_expanded;
     }
 
     get showInLockScreen() {
-        return this._showInLockScreen;
+        return this.show_in_lock_screen;
     }
 
     get detailsInLockScreen() {
-        return this._detailsInLockScreen;
+        return this.details_in_lock_screen;
     }
-};
-Signals.addSignalMethods(NotificationPolicy.prototype);
+});
 
-var NotificationGenericPolicy =
-class NotificationGenericPolicy extends NotificationPolicy {
-    constructor() {
-        super();
+var NotificationGenericPolicy = GObject.registerClass({
+    GTypeName: 'MessageTray_NotificationGenericPolicy'
+}, class NotificationGenericPolicy extends NotificationPolicy {
+    _init() {
+        super._init();
         this.id = 'generic';
 
         this._masterSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.notifications' });
         this._masterSettings.connect('changed', this._changed.bind(this));
     }
 
-    store() { }
-
     destroy() {
         this._masterSettings.run_dispose();
+
+        super.destroy();
     }
 
     _changed(settings, key) {
-        this.emit('policy-changed', key);
+        if (this.constructor.find_property(key))
+            this.notify(key);
     }
 
     get showBanners() {
@@ -209,12 +220,13 @@ class NotificationGenericPolicy extends NotificationPolicy {
     get showInLockScreen() {
         return this._masterSettings.get_boolean('show-in-lock-screen');
     }
-};
+});
 
-var NotificationApplicationPolicy =
-class NotificationApplicationPolicy extends NotificationPolicy {
-    constructor(id) {
-        super();
+var NotificationApplicationPolicy = GObject.registerClass({
+    GTypeName: 'MessageTray_NotificationApplicationPolicy'
+}, class NotificationApplicationPolicy extends NotificationPolicy {
+    _init(id) {
+        super._init();
 
         this.id = id;
         this._canonicalId = this._canonicalizeId(id);
@@ -240,12 +252,13 @@ class NotificationApplicationPolicy extends NotificationPolicy {
     destroy() {
         this._masterSettings.run_dispose();
         this._settings.run_dispose();
+
+        super.destroy();
     }
 
     _changed(settings, key) {
-        this.emit('policy-changed', key);
-        if (key == 'enable')
-            this.emit('enable-changed');
+        if (this.constructor.find_property(key))
+            this.notify(key);
     }
 
     _canonicalizeId(id) {
@@ -279,7 +292,7 @@ class NotificationApplicationPolicy extends NotificationPolicy {
     get detailsInLockScreen() {
         return this._settings.get_boolean('details-in-lock-screen');
     }
-};
+});
 
 // Notification:
 // @source: the notification's Source
@@ -335,13 +348,27 @@ class NotificationApplicationPolicy extends NotificationPolicy {
 // event sound is played when the notification is shown (if the policy for
 // @source allows playing sounds).
 //
-// [1] https://developer.gnome.org/notification-spec/#markup 
-var Notification = class Notification {
-    constructor(source, title, banner, params) {
+// [1] https://developer.gnome.org/notification-spec/#markup
+var Notification = GObject.registerClass({
+    GTypeName: 'MessageTray_Notification',
+    Properties: {
+        'acknowledged': GObject.ParamSpec.boolean(
+            'acknowledged', 'acknowledged', 'acknowledged',
+            GObject.ParamFlags.READWRITE,
+            false),
+    },
+    Signals: {
+        'activated': {},
+        'destroy': { param_types: [GObject.TYPE_UINT] },
+        'updated': { param_types: [GObject.TYPE_BOOLEAN] },
+    }
+}, class Notification extends GObject.Object {
+    _init(source, title, banner, params) {
+        super._init();
+
         this.source = source;
         this.title = title;
         this.urgency = Urgency.NORMAL;
-        this.resident = false;
         // 'transient' is a reserved keyword in JS, so we have to use an alternate variable name
         this.isTransient = false;
         this.privacyScope = PrivacyScope.USER;
@@ -353,6 +380,7 @@ var Notification = class Notification {
         this._soundFile = null;
         this._soundPlayed = false;
         this.actions = [];
+        this.setResident(false);
 
         // If called with only one argument we assume the caller
         // will call .update() later on. This is the case of
@@ -422,7 +450,7 @@ var Notification = class Notification {
         if (this._acknowledged == v)
             return;
         this._acknowledged = v;
-        this.emit('acknowledged-changed');
+        this.notify('acknowledged');
     }
 
     setUrgency(urgency) {
@@ -431,6 +459,15 @@ var Notification = class Notification {
 
     setResident(resident) {
         this.resident = resident;
+
+        if (this.resident) {
+            if (this._activatedId) {
+                this.disconnect(this._activatedId);
+                this._activatedId = 0;
+            }
+        } else if (!this._activatedId) {
+            this._activatedId = this.connect_after('activated', () => this.destroy());
+        }
     }
 
     setTransient(isTransient) {
@@ -472,23 +509,30 @@ var Notification = class Notification {
 
     activate() {
         this.emit('activated');
-        if (!this.resident)
-            this.destroy();
     }
 
     destroy(reason = NotificationDestroyedReason.DISMISSED) {
+        if (this._activatedId) {
+            this.disconnect(this._activatedId);
+            delete this._activatedId;
+        }
+
         this.emit('destroy', reason);
+        this.run_dispose();
     }
-};
-Signals.addSignalMethods(Notification.prototype);
+});
 
-var NotificationBanner =
-class NotificationBanner extends Calendar.NotificationMessage {
-    constructor(notification) {
-        super(notification);
+var NotificationBanner = GObject.registerClass({
+    Signals: {
+        'done-displaying': {},
+        'unfocused': {},
+    }
+}, class NotificationBanner extends Calendar.NotificationMessage {
+    _init(notification) {
+        super._init(notification);
 
-        this.actor.can_focus = false;
-        this.actor.add_style_class_name('notification-banner');
+        this.can_focus = false;
+        this.add_style_class_name('notification-banner');
 
         this._buttonBox = null;
 
@@ -575,7 +619,7 @@ class NotificationBanner extends Calendar.NotificationMessage {
 
         return this.addButton(button, callback);
     }
-};
+});
 
 var SourceActor = GObject.registerClass(
 class SourceActor extends St.Widget {
@@ -640,7 +684,7 @@ class SourceActorWithLabel extends SourceActor {
 
         this.add_actor(this._counterBin);
 
-        this._countUpdatedId = this._source.connect('count-updated', this._updateCount.bind(this));
+        this._countUpdatedId = this._source.connect('notify::count', this._updateCount.bind(this));
         this._updateCount();
 
         this.connect('destroy', () => {
@@ -688,11 +732,34 @@ class SourceActorWithLabel extends SourceActor {
     }
 });
 
-var Source = class Source {
-    constructor(title, iconName) {
+var Source = GObject.registerClass({
+    GTypeName: 'MessageTray_Source',
+    Properties: {
+        'count': GObject.ParamSpec.int(
+            'count', 'count', 'count',
+            GObject.ParamFlags.READABLE,
+            0, GLib.MAXINT32, 0),
+        'policy': GObject.ParamSpec.object(
+            'policy', 'policy', 'policy',
+            GObject.ParamFlags.READWRITE,
+            NotificationPolicy.$gtype),
+        'title': GObject.ParamSpec.string(
+            'title', 'title', 'title',
+            GObject.ParamFlags.READWRITE,
+            null),
+    },
+    Signals: {
+        'destroy': { param_types: [GObject.TYPE_UINT] },
+        'icon-updated': {},
+        'notification-added': { param_types: [Notification.$gtype] },
+        'notification-show': { param_types: [Notification.$gtype] },
+    }
+}, class Source extends GObject.Object {
+    _init(title, iconName) {
+        super._init({ title: title });
+
         this.SOURCE_ICON_SIZE = 48;
 
-        this.title = title;
         this.iconName = iconName;
 
         this.isChat = false;
@@ -727,7 +794,7 @@ var Source = class Source {
     }
 
     countUpdated() {
-        this.emit('count-updated');
+        super.notify('count');
     }
 
     _createPolicy() {
@@ -735,13 +802,17 @@ var Source = class Source {
     }
 
     get narrowestPrivacyScope() {
-        return this.notifications.every(n => n.privacyScope == PrivacyScope.SYSTEM) ? PrivacyScope.SYSTEM
-                                                                                    : PrivacyScope.USER;
+        return this.notifications.every(n => n.privacyScope == PrivacyScope.SYSTEM)
+            ? PrivacyScope.SYSTEM
+            : PrivacyScope.USER;
     }
 
     setTitle(newTitle) {
+        if (this.title == newTitle)
+            return;
+
         this.title = newTitle;
-        this.emit('title-changed');
+        this.notify('title');
     }
 
     createBanner(notification) {
@@ -766,10 +837,10 @@ var Source = class Source {
             return;
 
         this.notifications.splice(index, 1);
+        this.countUpdated();
+
         if (this.notifications.length == 0)
             this.destroy();
-
-        this.countUpdated();
     }
 
     pushNotification(notification) {
@@ -780,24 +851,39 @@ var Source = class Source {
             this.notifications.shift().destroy(NotificationDestroyedReason.EXPIRED);
 
         notification.connect('destroy', this._onNotificationDestroy.bind(this));
-        notification.connect('acknowledged-changed', this.countUpdated.bind(this));
+        notification.connect('notify::acknowledged', this.countUpdated.bind(this));
         this.notifications.push(notification);
         this.emit('notification-added', notification);
 
         this.countUpdated();
     }
 
-    notify(notification) {
+    showNotification(notification) {
         notification.acknowledged = false;
         this.pushNotification(notification);
 
         if (this.policy.showBanners || notification.urgency == Urgency.CRITICAL) {
-            this.emit('notify', notification);
+            this.emit('notification-show', notification);
         } else {
             notification.playSound();
         }
     }
 
+    notify(propName) {
+        if (propName instanceof Notification) {
+            try {
+                throw new Error('Source.notify() has been moved to Source.showNotification()' +
+                                'this code will break in the future');
+            } catch (e) {
+                logError(e);
+                this.showNotification(propName);
+                return;
+            }
+        }
+
+        super.notify(propName);
+    }
+
     destroy(reason) {
         this.policy.destroy();
 
@@ -808,6 +894,8 @@ var Source = class Source {
             notifications[i].destroy(reason);
 
         this.emit('destroy', reason);
+
+        this.run_dispose();
     }
 
     iconUpdated() {
@@ -822,14 +910,23 @@ var Source = class Source {
         for (let i = this.notifications.length - 1; i >= 0; i--)
             if (!this.notifications[i].resident)
                 this.notifications[i].destroy();
-
-        this.countUpdated();
     }
-};
-Signals.addSignalMethods(Source.prototype);
+});
+
+var MessageTray = GObject.registerClass({
+    Signals: {
+        'queue-changed': {},
+        'source-added': { param_types: [Source.$gtype] },
+        'source-removed': { param_types: [Source.$gtype] },
+    }
+}, class MessageTray extends St.Widget {
+    _init() {
+        super._init({
+            visible: false,
+            clip_to_allocation: true,
+            layout_manager: new Clutter.BinLayout()
+        });
 
-var MessageTray = class MessageTray {
-    constructor() {
         this._presence = new GnomeSession.Presence((proxy, _error) => {
             this._onStatusChanged(proxy.status);
         });
@@ -846,18 +943,15 @@ var MessageTray = class MessageTray {
             // so fix up Clutter's view of the pointer position in
             // that case.
             let related = ev.get_related();
-            if (!related || this.actor.contains(related))
+            if (!related || this.contains(related))
                 global.sync_pointer();
         });
 
-        this.actor = new St.Widget({ visible: false,
-                                     clip_to_allocation: true,
-                                     layout_manager: new Clutter.BinLayout() });
         let constraint = new Layout.MonitorConstraint({ primary: true });
         Main.layoutManager.panelBox.bind_property('visible',
                                                   constraint, 'work-area',
                                                   GObject.BindingFlags.SYNC_CREATE);
-        this.actor.add_constraint(constraint);
+        this.add_constraint(constraint);
 
         this._bannerBin = new St.Widget({ name: 'notification-container',
                                           reactive: true,
@@ -871,7 +965,7 @@ var MessageTray = class MessageTray {
                                 this._onNotificationKeyRelease.bind(this));
         this._bannerBin.connect('notify::hover',
                                 this._onNotificationHoverChanged.bind(this));
-        this.actor.add_actor(this._bannerBin);
+        this.add_actor(this._bannerBin);
 
         this._notificationFocusGrabber = new FocusGrabber(this._bannerBin);
         this._notificationQueue = [];
@@ -900,7 +994,7 @@ var MessageTray = class MessageTray {
         this._notificationTimeoutId = 0;
         this._notificationRemoved = false;
 
-        Main.layoutManager.addChrome(this.actor, { affectsInputRegion: false });
+        Main.layoutManager.addChrome(this, { affectsInputRegion: false });
         Main.layoutManager.trackChrome(this._bannerBin, { affectsInputRegion: true });
 
         global.display.connect('in-fullscreen-changed', this._updateState.bind(this));
@@ -943,11 +1037,11 @@ var MessageTray = class MessageTray {
     }
 
     _onDragBegin() {
-        Shell.util_set_hidden_from_pick(this.actor, true);
+        Shell.util_set_hidden_from_pick(this, true);
     }
 
     _onDragEnd() {
-        Shell.util_set_hidden_from_pick(this.actor, false);
+        Shell.util_set_hidden_from_pick(this, false);
     }
 
     get bannerAlignment() {
@@ -996,22 +1090,22 @@ var MessageTray = class MessageTray {
         // Register that we got a notification for this source
         source.policy.store();
 
-        source.policy.connect('enable-changed', () => {
+        source.policy.connect('notify::enable', () => {
             this._onSourceEnableChanged(source.policy, source);
         });
-        source.policy.connect('policy-changed', this._updateState.bind(this));
+        source.policy.connect('notify', this._updateState.bind(this));
         this._onSourceEnableChanged(source.policy, source);
     }
 
     _addSource(source) {
         let obj = {
-            notifyId: 0,
+            showId: 0,
             destroyId: 0,
         };
 
         this._sources.set(source, obj);
 
-        obj.notifyId = source.connect('notify', this._onNotify.bind(this));
+        obj.showId = source.connect('notification-show', this._onNotificationShow.bind(this));
         obj.destroyId = source.connect('destroy', this._onSourceDestroy.bind(this));
 
         this.emit('source-added', source);
@@ -1021,7 +1115,7 @@ var MessageTray = class MessageTray {
         let obj = this._sources.get(source);
         this._sources.delete(source);
 
-        source.disconnect(obj.notifyId);
+        source.disconnect(obj.showId);
         source.disconnect(obj.destroyId);
 
         this.emit('source-removed', source);
@@ -1062,7 +1156,7 @@ var MessageTray = class MessageTray {
         }
     }
 
-    _onNotify(source, notification) {
+    _onNotificationShow(_source, notification) {
         if (this._notification == notification) {
             // If a notification that is being shown is updated, we update
             // how it is shown and extend the time until it auto-hides.
@@ -1194,7 +1288,7 @@ var MessageTray = class MessageTray {
     // at the present time.
     _updateState() {
         let hasMonitor = Main.layoutManager.primaryMonitor != null;
-        this.actor.visible = !this._bannerBlocked && hasMonitor && this._banner != null;
+        this.visible = !this._bannerBlocked && hasMonitor && this._banner != null;
         if (this._bannerBlocked || !hasMonitor)
             return;
 
@@ -1274,11 +1368,11 @@ var MessageTray = class MessageTray {
             this._updateState();
         });
 
-        this._bannerBin.add_actor(this._banner.actor);
+        this._bannerBin.add_actor(this._banner);
 
         this._bannerBin.opacity = 0;
-        this._bannerBin.y = -this._banner.actor.height;
-        this.actor.show();
+        this._bannerBin.y = -this._banner.height;
+        this.show();
 
         Meta.disable_unredirect_for_display(global.display);
         this._updateShowingNotification();
@@ -1425,16 +1519,16 @@ var MessageTray = class MessageTray {
     _hideNotificationCompleted() {
         let notification = this._notification;
         this._notification = null;
-        if (notification.isTransient)
+        if (!this._notificationRemoved && notification.isTransient)
             notification.destroy(NotificationDestroyedReason.EXPIRED);
 
         this._pointerInNotification = false;
         this._notificationRemoved = false;
         Meta.enable_unredirect_for_display(global.display);
 
-        this._banner.actor.destroy();
+        this._banner.destroy();
         this._banner = null;
-        this.actor.hide();
+        this.hide();
     }
 
     _expandActiveNotification() {
@@ -1456,15 +1550,15 @@ var MessageTray = class MessageTray {
     _ensureBannerFocused() {
         this._notificationFocusGrabber.grabFocus();
     }
-};
-Signals.addSignalMethods(MessageTray.prototype);
+});
 
-var SystemNotificationSource = class SystemNotificationSource extends Source {
-    constructor() {
-        super(_("System Information"), 'dialog-information-symbolic');
+var SystemNotificationSource = GObject.registerClass(
+class SystemNotificationSource extends Source {
+    _init() {
+        super._init(_("System Information"), 'dialog-information-symbolic');
     }
 
     open() {
         this.destroy();
     }
-};
+});

js/ui/modalDialog.js

@@ -121,7 +121,7 @@ var ModalDialog = GObject.registerClass({
 
         this.dialogLayout.opacity = 255;
         if (this._lightbox)
-            this._lightbox.show();
+            this._lightbox.lightOn();
         this.opacity = 0;
         this.show();
         this.ease({
@@ -253,7 +253,7 @@ var ModalDialog = GObject.registerClass({
             opacity: 0,
             duration: FADE_OUT_DIALOG_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-            onComplete: () => this.state = State.FADED_OUT
+            onComplete: () => (this.state = State.FADED_OUT)
         });
     }
 });

js/ui/mpris.js

@@ -1,5 +1,5 @@
 /* exported MediaSection */
-const { Gio, Shell, St } = imports.gi;
+const { Gio, GObject, Shell, St } = imports.gi;
 const Signals = imports.signals;
 
 const Calendar = imports.ui.calendar;
@@ -19,9 +19,10 @@ const MprisPlayerProxy = Gio.DBusProxy.makeProxyWrapper(MprisPlayerIface);
 
 const MPRIS_PLAYER_PREFIX = 'org.mpris.MediaPlayer2.';
 
-var MediaMessage = class MediaMessage extends MessageList.Message {
-    constructor(player) {
-        super('', '');
+var MediaMessage = GObject.registerClass(
+class MediaMessage extends MessageList.Message {
+    _init(player) {
+        super._init('', '');
 
         this._player = player;
 
@@ -48,7 +49,7 @@ var MediaMessage = class MediaMessage extends MessageList.Message {
         this._update();
     }
 
-    _onClicked() {
+    vfunc_clicked() {
         this._player.raise();
         Main.panel.closeCalendar();
     }
@@ -71,14 +72,15 @@ var MediaMessage = class MediaMessage extends MessageList.Message {
         }
 
         let isPlaying = this._player.status == 'Playing';
-        let iconName = isPlaying ? 'media-playback-pause-symbolic'
-                                 : 'media-playback-start-symbolic';
+        let iconName = isPlaying
+            ? 'media-playback-pause-symbolic'
+            : 'media-playback-start-symbolic';
         this._playPauseButton.child.icon_name = iconName;
 
         this._updateNavButton(this._prevButton, this._player.canGoPrevious);
         this._updateNavButton(this._nextButton, this._player.canGoNext);
     }
-};
+});
 
 var MprisPlayer = class MprisPlayer {
     constructor(busName) {
@@ -193,9 +195,10 @@ var MprisPlayer = class MprisPlayer {
 };
 Signals.addSignalMethods(MprisPlayer.prototype);
 
-var MediaSection = class MediaSection extends MessageList.MessageListSection {
-    constructor() {
-        super();
+var MediaSection = GObject.registerClass(
+class MediaSection extends MessageList.MessageListSection {
+    _init() {
+        super._init();
 
         this._players = new Map();
 
@@ -246,4 +249,4 @@ var MediaSection = class MediaSection extends MessageList.MessageListSection {
         if (newOwner && !oldOwner)
             this._addPlayer(name);
     }
-};
+});

js/ui/notificationDaemon.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported NotificationDaemon */
 
-const { GdkPixbuf, Gio, GLib, Shell, St } = imports.gi;
+const { GdkPixbuf, Gio, GLib, GObject, Shell, St } = imports.gi;
 
 const Config = imports.misc.config;
 const Main = imports.ui.main;
@@ -346,8 +346,9 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
         notification.setTransient(!!hints['transient']);
 
         let privacyScope = (hints['x-gnome-privacy-scope'] || 'user');
-        notification.setPrivacyScope(privacyScope == 'system' ? MessageTray.PrivacyScope.SYSTEM
-                                                              : MessageTray.PrivacyScope.USER);
+        notification.setPrivacyScope(privacyScope == 'system'
+            ? MessageTray.PrivacyScope.SYSTEM
+            : MessageTray.PrivacyScope.USER);
 
         let sourceGIcon = source.useNotificationIcon ? gicon : null;
         source.processNotification(notification, sourceGIcon);
@@ -411,10 +412,10 @@ var FdoNotificationDaemon = class FdoNotificationDaemon {
     }
 };
 
-var FdoNotificationDaemonSource =
+var FdoNotificationDaemonSource = GObject.registerClass(
 class FdoNotificationDaemonSource extends MessageTray.Source {
-    constructor(title, pid, sender, appId) {
-        super(title);
+    _init(title, pid, sender, appId) {
+        super._init(title);
 
         this.pid = pid;
         this.app = this._getApp(appId);
@@ -463,7 +464,7 @@ class FdoNotificationDaemonSource extends MessageTray.Source {
         if (notification.resident && this.app && tracker.focus_app == this.app)
             this.pushNotification(notification);
         else
-            this.notify(notification);
+            this.showNotification(notification);
     }
 
     _getApp(appId) {
@@ -525,7 +526,7 @@ class FdoNotificationDaemonSource extends MessageTray.Source {
             return null;
         }
     }
-};
+});
 
 const PRIORITY_URGENCY_MAP = {
     low: MessageTray.Urgency.LOW,
@@ -534,28 +535,29 @@ const PRIORITY_URGENCY_MAP = {
     urgent: MessageTray.Urgency.CRITICAL
 };
 
-var GtkNotificationDaemonNotification =
+var GtkNotificationDaemonNotification = GObject.registerClass(
 class GtkNotificationDaemonNotification extends MessageTray.Notification {
-    constructor(source, notification) {
-        super(source);
+    _init(source, notification) {
+        super._init(source);
         this._serialized = GLib.Variant.new('a{sv}', notification);
 
-        let { "title": title,
-              "body": body,
-              "icon": gicon,
-              "urgent": urgent,
-              "priority": priority,
-              "buttons": buttons,
+        let { title,
+              body,
+              icon: gicon,
+              urgent,
+              priority,
+              buttons,
               "default-action": defaultAction,
               "default-action-target": defaultActionTarget,
-              "timestamp": time } = notification;
+              timestamp: time } = notification;
 
         if (priority) {
             let urgency = PRIORITY_URGENCY_MAP[priority.unpack()];
             this.setUrgency(urgency != undefined ? urgency : MessageTray.Urgency.NORMAL);
         } else if (urgent) {
-            this.setUrgency(urgent.unpack() ? MessageTray.Urgency.CRITICAL
-                            : MessageTray.Urgency.NORMAL);
+            this.setUrgency(urgent.unpack()
+                ? MessageTray.Urgency.CRITICAL
+                : MessageTray.Urgency.NORMAL);
         } else {
             this.setUrgency(MessageTray.Urgency.NORMAL);
         }
@@ -588,8 +590,8 @@ class GtkNotificationDaemonNotification extends MessageTray.Notification {
     }
 
     _onButtonClicked(button) {
-        let { 'action': action, 'target': actionTarget } = button;
-        this._activateAction(action.unpack(), actionTarget);
+        let { action, target } = button;
+        this._activateAction(action.unpack(), target);
     }
 
     activate() {
@@ -600,7 +602,7 @@ class GtkNotificationDaemonNotification extends MessageTray.Notification {
     serialize() {
         return this._serialized;
     }
-};
+});
 
 const FdoApplicationIface = loadInterfaceXML('org.freedesktop.Application');
 const FdoApplicationProxy = Gio.DBusProxy.makeProxyWrapper(FdoApplicationIface);
@@ -616,9 +618,9 @@ function getPlatformData() {
 
 function InvalidAppError() {}
 
-var GtkNotificationDaemonAppSource = 
+var GtkNotificationDaemonAppSource = GObject.registerClass(
 class GtkNotificationDaemonAppSource extends MessageTray.Source {
-    constructor(appId) {
+    _init(appId) {
         let objectPath = objectPathFromAppId(appId);
         if (!GLib.Variant.is_object_path(objectPath))
             throw new InvalidAppError();
@@ -627,7 +629,7 @@ class GtkNotificationDaemonAppSource extends MessageTray.Source {
         if (!app)
             throw new InvalidAppError();
 
-        super(app.get_name());
+        super._init(app.get_name());
 
         this._appId = appId;
         this._app = app;
@@ -688,7 +690,7 @@ class GtkNotificationDaemonAppSource extends MessageTray.Source {
         this._notifications[notificationId] = notification;
 
         if (showBanner)
-            this.notify(notification);
+            this.showNotification(notification);
         else
             this.pushNotification(notification);
 
@@ -714,7 +716,7 @@ class GtkNotificationDaemonAppSource extends MessageTray.Source {
         }
         return [this._appId, notifications];
     }
-};
+});
 
 const GtkNotificationsIface = loadInterfaceXML('org.gtk.Notifications');
 
@@ -740,7 +742,7 @@ var GtkNotificationDaemon = class GtkNotificationDaemon {
             delete this._sources[appId];
             this._saveNotifications();
         });
-        source.connect('count-updated', this._saveNotifications.bind(this));
+        source.connect('notify::count', this._saveNotifications.bind(this));
         Main.messageTray.add(source);
         this._sources[appId] = source;
         return source;

js/ui/osdMonitorLabeler.js

@@ -1,30 +1,33 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported OsdMonitorLabeler */
 
-const { Clutter, Gio, Meta, St } = imports.gi;
+const { Clutter, Gio, GObject, Meta, St } = imports.gi;
 
 const Main = imports.ui.main;
 
-var OsdMonitorLabel = class {
-    constructor(monitor, label) {
-        this._actor = new St.Widget({ x_expand: true,
-                                      y_expand: true });
+var OsdMonitorLabel = GObject.registerClass(
+class OsdMonitorLabel extends St.Widget {
+    _init(monitor, label) {
+        super._init({ x_expand: true, y_expand: true });
 
         this._monitor = monitor;
 
         this._box = new St.BoxLayout({ style_class: 'osd-window',
                                        vertical: true });
-        this._actor.add_actor(this._box);
+        this.add_actor(this._box);
 
         this._label = new St.Label({ style_class: 'osd-monitor-label',
                                      text: label });
         this._box.add(this._label);
 
-        Main.uiGroup.add_child(this._actor);
-        Main.uiGroup.set_child_above_sibling(this._actor, null);
+        Main.uiGroup.add_child(this);
+        Main.uiGroup.set_child_above_sibling(this, null);
         this._position();
 
         Meta.disable_unredirect_for_display(global.display);
+        this.connect('destroy', () => {
+            Meta.enable_unredirect_for_display(global.display);
+        });
     }
 
     _position() {
@@ -37,12 +40,7 @@ var OsdMonitorLabel = class {
 
         this._box.y = workArea.y;
     }
-
-    destroy() {
-        this._actor.destroy();
-        Meta.enable_unredirect_for_display(global.display);
-    }
-};
+});
 
 var OsdMonitorLabeler = class {
     constructor() {

js/ui/osdWindow.js

@@ -41,22 +41,25 @@ class OsdWindowConstraint extends Clutter.Constraint {
     }
 });
 
-var OsdWindow = class {
-    constructor(monitorIndex) {
-        this.actor = new St.Widget({ x_expand: true,
-                                     y_expand: true,
-                                     x_align: Clutter.ActorAlign.CENTER,
-                                     y_align: Clutter.ActorAlign.CENTER });
+var OsdWindow = GObject.registerClass(
+class OsdWindow extends St.Widget {
+    _init(monitorIndex) {
+        super._init({
+            x_expand: true,
+            y_expand: true,
+            x_align: Clutter.ActorAlign.CENTER,
+            y_align: Clutter.ActorAlign.CENTER
+        });
 
         this._monitorIndex = monitorIndex;
         let constraint = new Layout.MonitorConstraint({ index: monitorIndex });
-        this.actor.add_constraint(constraint);
+        this.add_constraint(constraint);
 
         this._boxConstraint = new OsdWindowConstraint();
         this._box = new St.BoxLayout({ style_class: 'osd-window',
                                        vertical: true });
         this._box.add_constraint(this._boxConstraint);
-        this.actor.add_actor(this._box);
+        this.add_actor(this._box);
 
         this._icon = new St.Icon();
         this._box.add(this._icon, { expand: true });
@@ -73,7 +76,7 @@ var OsdWindow = class {
         this._hideTimeoutId = 0;
         this._reset();
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
 
         this._monitorsChangedId =
             Main.layoutManager.connect('monitors-changed',
@@ -83,7 +86,7 @@ var OsdWindow = class {
             themeContext.connect('notify::scale-factor',
                                  this._relayout.bind(this));
         this._relayout();
-        Main.uiGroup.add_child(this.actor);
+        Main.uiGroup.add_child(this);
     }
 
     _onDestroy() {
@@ -110,7 +113,7 @@ var OsdWindow = class {
     setLevel(value) {
         this._level.visible = (value != undefined);
         if (value != undefined) {
-            if (this.actor.visible)
+            if (this.visible)
                 this._level.ease_property('value', value, {
                     mode: Clutter.AnimationMode.EASE_OUT_QUAD,
                     duration: LEVEL_ANIMATION_TIME
@@ -128,13 +131,13 @@ var OsdWindow = class {
         if (!this._icon.gicon)
             return;
 
-        if (!this.actor.visible) {
+        if (!this.visible) {
             Meta.disable_unredirect_for_display(global.display);
-            this.actor.show();
-            this.actor.opacity = 0;
-            this.actor.get_parent().set_child_above_sibling(this.actor, null);
+            super.show();
+            this.opacity = 0;
+            this.get_parent().set_child_above_sibling(this, null);
 
-            this.actor.ease({
+            this.ease({
                 opacity: 255,
                 duration: FADE_TIME,
                 mode: Clutter.AnimationMode.EASE_OUT_QUAD
@@ -158,7 +161,7 @@ var OsdWindow = class {
 
     _hide() {
         this._hideTimeoutId = 0;
-        this.actor.ease({
+        this.ease({
             opacity: 0,
             duration: FADE_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
@@ -171,7 +174,7 @@ var OsdWindow = class {
     }
 
     _reset() {
-        this.actor.hide();
+        super.hide();
         this.setLabel(null);
         this.setMaxLevel(null);
         this.setLevel(null);
@@ -193,7 +196,7 @@ var OsdWindow = class {
         this._box.translation_y = Math.round(monitor.height / 4);
         this._boxConstraint.minSize = popupSize;
     }
-};
+});
 
 var OsdWindowManager = class {
     constructor() {
@@ -210,7 +213,7 @@ var OsdWindowManager = class {
         }
 
         for (let i = Main.layoutManager.monitors.length; i < this._osdWindows.length; i++) {
-            this._osdWindows[i].actor.destroy();
+            this._osdWindows[i].destroy();
             this._osdWindows[i] = null;
         }
 

js/ui/overview.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Overview */
 
-const { Clutter, GLib, Meta, Shell, St } = imports.gi;
+const { Clutter, GLib, GObject, Meta, Shell, St } = imports.gi;
 const Signals = imports.signals;
 
 const Background = imports.ui.background;
@@ -72,36 +72,108 @@ var ShellInfo = class {
         if (undoCallback)
             notification.addAction(_("Undo"), this._onUndoClicked.bind(this));
 
-        this._source.notify(notification);
+        this._source.showNotification(notification);
     }
 };
 
+var OverviewActor = GObject.registerClass(
+class OverviewActor extends St.BoxLayout {
+    _init() {
+        super._init({
+            name: 'overview',
+            /* Translators: This is the main view to select
+                activities. See also note for "Activities" string. */
+            accessible_name: _("Overview"),
+            vertical: true
+        });
+
+        this.add_constraint(new LayoutManager.MonitorConstraint({ primary: true }));
+
+        // Add a clone of the panel to the overview so spacing and such is
+        // automatic
+        let panelGhost = new St.Bin({
+            child: new Clutter.Clone({ source: Main.panel }),
+            reactive: false,
+            opacity: 0
+        });
+        this.add_actor(panelGhost);
+
+        this._searchEntry = new St.Entry({
+            style_class: 'search-entry',
+            /* Translators: this is the text displayed
+               in the search entry when no search is
+               active; it should not exceed ~30
+               characters. */
+            hint_text: _("Type to search…"),
+            track_hover: true,
+            can_focus: true
+        });
+        let searchEntryBin = new St.Bin({
+            child: this._searchEntry,
+            x_align: St.Align.MIDDLE
+        });
+        this.add_actor(searchEntryBin);
+
+        this._controls = new OverviewControls.ControlsManager(this._searchEntry);
+
+        // Add our same-line elements after the search entry
+        this.add(this._controls, { y_fill: true, expand: true });
+    }
+
+    get dash() {
+        return this._controls.dash;
+    }
+
+    get searchEntry() {
+        return this._searchEntry;
+    }
+
+    get viewSelector() {
+        return this._controls.viewSelector;
+    }
+});
+
 var Overview = class {
     constructor() {
-        this._overviewCreated = false;
         this._initCalled = false;
 
         Main.sessionMode.connect('updated', this._sessionUpdated.bind(this));
         this._sessionUpdated();
     }
 
+    get dash() {
+        return this._overview.dash;
+    }
+
+    get dashIconSize() {
+        logError(new Error('Usage of Overview.\'dashIconSize\' is deprecated, ' +
+            'use \'dash.iconSize\' property instead'));
+        return this.dash.iconSize;
+    }
+
+    get viewSelector() {
+        return this._overview.viewSelector;
+    }
+
+    get animationInProgress() {
+        return this._animationInProgress;
+    }
+
+    get visible() {
+        return this._visible;
+    }
+
+    get visibleTarget() {
+        return this._visibleTarget;
+    }
+
     _createOverview() {
-        if (this._overviewCreated)
+        if (this._overview)
             return;
 
         if (this.isDummy)
             return;
 
-        this._overviewCreated = true;
-
-        this._overview = new St.BoxLayout({ name: 'overview',
-                                            /* Translators: This is the main view to select
-                                               activities. See also note for "Activities" string. */
-                                            accessible_name: _("Overview"),
-                                            vertical: true });
-        this._overview.add_constraint(new LayoutManager.MonitorConstraint({ primary: true }));
-        this._overview._delegate = this;
-
         // The main Background actors are inside global.window_group which are
         // hidden when displaying the overview, so we create a new
         // one. Instances of this class share a single CoglTexture behind the
@@ -116,11 +188,11 @@ var Overview = class {
 
         this._activationTime = 0;
 
-        this.visible = false;           // animating to overview, in overview, animating out
+        this._visible = false;          // animating to overview, in overview, animating out
         this._shown = false;            // show() and not hide()
         this._modal = false;            // have a modal grab
-        this.animationInProgress = false;
-        this.visibleTarget = false;
+        this._animationInProgress = false;
+        this._visibleTarget = false;
 
         // During transitions, we raise this to the top to avoid having the overview
         // area be reactive; it causes too many issues such as double clicks on
@@ -129,9 +201,6 @@ var Overview = class {
                                               reactive: true });
         Main.layoutManager.overviewGroup.add_child(this._coverPane);
         this._coverPane.connect('event', () => Clutter.EVENT_STOP);
-
-        Main.layoutManager.overviewGroup.add_child(this._overview);
-
         this._coverPane.hide();
 
         // XDND
@@ -213,41 +282,12 @@ var Overview = class {
         if (this.isDummy)
             return;
 
+        this._overview = new OverviewActor();
+        this._overview._delegate = this;
+        Main.layoutManager.overviewGroup.add_child(this._overview);
+
         this._shellInfo = new ShellInfo();
 
-        // Add a clone of the panel to the overview so spacing and such is
-        // automatic
-        this._panelGhost = new St.Bin({ child: new Clutter.Clone({ source: Main.panel }),
-                                        reactive: false,
-                                        opacity: 0 });
-        this._overview.add_actor(this._panelGhost);
-
-        this._searchEntry = new St.Entry({ style_class: 'search-entry',
-                                           /* Translators: this is the text displayed
-                                              in the search entry when no search is
-                                              active; it should not exceed ~30
-                                              characters. */
-                                           hint_text: _("Type to search…"),
-                                           track_hover: true,
-                                           can_focus: true });
-        this._searchEntryBin = new St.Bin({ child: this._searchEntry,
-                                            x_align: St.Align.MIDDLE });
-        this._overview.add_actor(this._searchEntryBin);
-
-        // Create controls
-        this._controls = new OverviewControls.ControlsManager(this._searchEntry);
-        this._dash = this._controls.dash;
-        this.viewSelector = this._controls.viewSelector;
-
-        // Add our same-line elements after the search entry
-        this._overview.add(this._controls.actor, { y_fill: true, expand: true });
-
-        // TODO - recalculate everything when desktop size changes
-        this.dashIconSize = this._dash.iconSize;
-        this._dash.connect('icon-size-changed', () => {
-            this.dashIconSize = this._dash.iconSize;
-        });
-
         Main.layoutManager.connect('monitors-changed', this._relayout.bind(this));
         this._relayout();
     }
@@ -426,7 +466,7 @@ var Overview = class {
 
     focusSearch() {
         this.show();
-        this._searchEntry.grab_key_focus();
+        this._overview.searchEntry.grab_key_focus();
     }
 
     fadeInDesktop() {
@@ -452,7 +492,7 @@ var Overview = class {
         this._desktopFade.show();
         this._desktopFade.ease({
             opacity: 0,
-            mode: Clutter.Animates.EASE_OUT_QUAD,
+            mode: Clutter.AnimationMode.EASE_OUT_QUAD,
             duration: ANIMATION_TIME
         });
     }
@@ -464,11 +504,11 @@ var Overview = class {
     // the overview if the user both triggered the hot corner and
     // clicked the Activities button.
     shouldToggleByCornerOrButton() {
-        if (this.animationInProgress)
+        if (this._animationInProgress)
             return false;
         if (this._inItemDrag || this._inWindowDrag)
             return false;
-        if (this._activationTime == 0 ||
+        if (!this._activationTime ||
             GLib.get_monotonic_time() / GLib.USEC_PER_SEC - this._activationTime > OVERVIEW_ACTIVATION_TIMEOUT)
             return true;
         return false;
@@ -478,7 +518,7 @@ var Overview = class {
         // We delay grab changes during animation so that when removing the
         // overview we don't have a problem with the release of a press/release
         // going to an application.
-        if (this.animationInProgress)
+        if (this._animationInProgress)
             return true;
 
         if (this._shown) {
@@ -520,12 +560,12 @@ var Overview = class {
 
 
     _animateVisible() {
-        if (this.visible || this.animationInProgress)
+        if (this._visible || this._animationInProgress)
             return;
 
-        this.visible = true;
-        this.animationInProgress = true;
-        this.visibleTarget = true;
+        this._visible = true;
+        this._animationInProgress = true;
+        this._visibleTarget = true;
         this._activationTime = GLib.get_monotonic_time() / GLib.USEC_PER_SEC;
 
         Meta.disable_unredirect_for_display(global.display);
@@ -546,7 +586,7 @@ var Overview = class {
     }
 
     _showDone() {
-        this.animationInProgress = false;
+        this._animationInProgress = false;
         this._desktopFade.hide();
         this._coverPane.hide();
 
@@ -586,11 +626,11 @@ var Overview = class {
     }
 
     _animateNotVisible() {
-        if (!this.visible || this.animationInProgress)
+        if (!this._visible || this._animationInProgress)
             return;
 
-        this.animationInProgress = true;
-        this.visibleTarget = false;
+        this._animationInProgress = true;
+        this._visibleTarget = false;
 
         this.viewSelector.animateFromOverview();
 
@@ -616,8 +656,8 @@ var Overview = class {
         this._desktopFade.hide();
         this._coverPane.hide();
 
-        this.visible = false;
-        this.animationInProgress = false;
+        this._visible = false;
+        this._animationInProgress = false;
 
         this.emit('hidden');
         // Handle any calls to show* while we were hiding
@@ -633,14 +673,17 @@ var Overview = class {
         if (this.isDummy)
             return;
 
-        if (this.visible)
+        if (this._visible)
             this.hide();
         else
             this.show();
     }
 
     getShowAppsButton() {
-        return this._dash.showAppsButton;
+        logError(new Error('Usage of Overview.\'getShowAppsButton\' is deprecated, ' +
+            'use \'dash.showAppsButton\' property instead'));
+
+        return this.dash.showAppsButton;
     }
 };
 Signals.addSignalMethods(Overview.prototype);

js/ui/overviewControls.js

@@ -14,8 +14,8 @@ var SIDE_CONTROLS_ANIMATION_TIME = 160;
 function getRtlSlideDirection(direction, actor) {
     let rtl = (actor.text_direction == Clutter.TextDirection.RTL);
     if (rtl)
-        direction = (direction == SlideDirection.LEFT) ?
-            SlideDirection.RIGHT : SlideDirection.LEFT;
+        direction = (direction == SlideDirection.LEFT)
+            ? SlideDirection.RIGHT : SlideDirection.LEFT;
 
     return direction;
 }
@@ -67,8 +67,9 @@ var SlideLayout = GObject.registerClass({
         // flags only determine what to do if the allocated box is bigger
         // than the actor's box.
         let realDirection = getRtlSlideDirection(this._direction, child);
-        let alignX = (realDirection == SlideDirection.LEFT) ? (availWidth - natWidth)
-                                                            : (availWidth - natWidth * this._slideX);
+        let alignX = (realDirection == SlideDirection.LEFT)
+            ? availWidth - natWidth
+            : availWidth - natWidth * this._slideX;
 
         let actorBox = new Clutter.ActorBox();
         actorBox.x1 = box.x1 + alignX + this._translationX;
@@ -117,18 +118,21 @@ var SlideLayout = GObject.registerClass({
     }
 });
 
-var SlidingControl = class {
-    constructor(params) {
+var SlidingControl = GObject.registerClass(
+class SlidingControl extends St.Widget {
+    _init(params) {
         params = Params.parse(params, { slideDirection: SlideDirection.LEFT });
 
-        this._visible = true;
-        this._inDrag = false;
-
         this.layout = new SlideLayout();
         this.layout.slideDirection = params.slideDirection;
-        this.actor = new St.Widget({ layout_manager: this.layout,
-                                     style_class: 'overview-controls',
-                                     clip_to_allocation: true });
+        super._init({
+            layout_manager: this.layout,
+            style_class: 'overview-controls',
+            clip_to_allocation: true
+        });
+
+        this._visible = true;
+        this._inDrag = false;
 
         Main.overview.connect('hiding', this._onOverviewHiding.bind(this));
 
@@ -146,20 +150,20 @@ var SlidingControl = class {
     }
 
     _updateSlide() {
-        this.actor.ease_property('@layout.slide-x', this._getSlide(), {
+        this.ease_property('@layout.slide-x', this._getSlide(), {
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
             duration: SIDE_CONTROLS_ANIMATION_TIME,
         });
     }
 
     getVisibleWidth() {
-        let child = this.actor.get_first_child();
+        let child = this.get_first_child();
         let [, , natWidth] = child.get_preferred_size();
         return natWidth;
     }
 
     _getTranslation() {
-        let child = this.actor.get_first_child();
+        let child = this.get_first_child();
         let direction = getRtlSlideDirection(this.layout.slideDirection, child);
         let visibleWidth = this.getVisibleWidth();
 
@@ -185,7 +189,7 @@ var SlidingControl = class {
             return;
 
         this.layout.translation_x = translationStart;
-        this.actor.ease_property('@layout.translation-x', translationEnd, {
+        this.ease_property('@layout.translation-x', translationEnd, {
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
             duration: SIDE_CONTROLS_ANIMATION_TIME,
         });
@@ -217,7 +221,7 @@ var SlidingControl = class {
     }
 
     fadeIn() {
-        this.actor.ease({
+        this.ease({
             opacity: 255,
             duration: SIDE_CONTROLS_ANIMATION_TIME / 2,
             mode: Clutter.AnimationMode.EASE_IN_QUAD
@@ -225,7 +229,7 @@ var SlidingControl = class {
     }
 
     fadeHalf() {
-        this.actor.ease({
+        this.ease({
             opacity: 128,
             duration: SIDE_CONTROLS_ANIMATION_TIME / 2,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD
@@ -248,37 +252,38 @@ var SlidingControl = class {
         // selector; this means we can now safely set the full slide for
         // the next page, since slideIn or slideOut might have been called,
         // changing the visiblity
-        this.actor.remove_transition('@layout.slide-x');
+        this.remove_transition('@layout.slide-x');
         this.layout.slide_x = this._getSlide();
         this._updateTranslation();
     }
-};
+});
 
-var ThumbnailsSlider = class extends SlidingControl {
-    constructor(thumbnailsBox) {
-        super({ slideDirection: SlideDirection.RIGHT });
+var ThumbnailsSlider = GObject.registerClass(
+class ThumbnailsSlider extends SlidingControl {
+    _init(thumbnailsBox) {
+        super._init({ slideDirection: SlideDirection.RIGHT });
 
         this._thumbnailsBox = thumbnailsBox;
 
-        this.actor.request_mode = Clutter.RequestMode.WIDTH_FOR_HEIGHT;
-        this.actor.reactive = true;
-        this.actor.track_hover = true;
-        this.actor.add_actor(this._thumbnailsBox);
+        this.request_mode = Clutter.RequestMode.WIDTH_FOR_HEIGHT;
+        this.reactive = true;
+        this.track_hover = true;
+        this.add_actor(this._thumbnailsBox);
 
         Main.layoutManager.connect('monitors-changed', this._updateSlide.bind(this));
         global.workspace_manager.connect('active-workspace-changed',
                                          this._updateSlide.bind(this));
         global.workspace_manager.connect('notify::n-workspaces',
                                          this._updateSlide.bind(this));
-        this.actor.connect('notify::hover', this._updateSlide.bind(this));
-        this._thumbnailsBox.bind_property('visible', this.actor, 'visible', GObject.BindingFlags.SYNC_CREATE);
+        this.connect('notify::hover', this._updateSlide.bind(this));
+        this._thumbnailsBox.bind_property('visible', this, 'visible', GObject.BindingFlags.SYNC_CREATE);
     }
 
     _getAlwaysZoomOut() {
         // Always show the pager on hover, during a drag, or if workspaces are
         // actually used, e.g. there are windows on any non-active workspace
         let workspaceManager = global.workspace_manager;
-        let alwaysZoomOut = this.actor.hover ||
+        let alwaysZoomOut = this.hover ||
                             this._inDrag ||
                             !Meta.prefs_get_dynamic_workspaces() ||
                             workspaceManager.n_workspaces > 2 ||
@@ -303,12 +308,12 @@ var ThumbnailsSlider = class extends SlidingControl {
     }
 
     getNonExpandedWidth() {
-        let child = this.actor.get_first_child();
+        let child = this.get_first_child();
         return child.get_theme_node().get_length('visible-width');
     }
 
     _onDragEnd() {
-        this.actor.sync_hover();
+        this.sync_hover();
         super._onDragEnd();
     }
 
@@ -320,7 +325,7 @@ var ThumbnailsSlider = class extends SlidingControl {
         if (alwaysZoomOut)
             return 1;
 
-        let child = this.actor.get_first_child();
+        let child = this.get_first_child();
         let preferredHeight = child.get_preferred_height(-1)[1];
         let expandedWidth = child.get_preferred_width(preferredHeight)[1];
 
@@ -334,24 +339,25 @@ var ThumbnailsSlider = class extends SlidingControl {
         else
             return this.getNonExpandedWidth();
     }
-};
+});
 
-var DashSlider = class extends SlidingControl {
-    constructor(dash) {
-        super({ slideDirection: SlideDirection.LEFT });
+var DashSlider = GObject.registerClass(
+class DashSlider extends SlidingControl {
+    _init(dash) {
+        super._init({ slideDirection: SlideDirection.LEFT });
 
         this._dash = dash;
 
         // SlideLayout reads the actor's expand flags to decide
         // whether to allocate the natural size to its child, or the whole
         // available allocation
-        this._dash.actor.x_expand = true;
+        this._dash.x_expand = true;
 
-        this.actor.x_expand = true;
-        this.actor.x_align = Clutter.ActorAlign.START;
-        this.actor.y_expand = true;
+        this.x_expand = true;
+        this.x_align = Clutter.ActorAlign.START;
+        this.y_expand = true;
 
-        this.actor.add_actor(this._dash.actor);
+        this.add_actor(this._dash);
 
         this._dash.connect('icon-size-changed', this._updateSlide.bind(this));
     }
@@ -370,7 +376,7 @@ var DashSlider = class extends SlidingControl {
     _onWindowDragEnd() {
         this.fadeIn();
     }
-};
+});
 
 var DashSpacer = GObject.registerClass(
 class DashSpacer extends St.Widget {
@@ -415,12 +421,21 @@ var ControlsLayout = GObject.registerClass({
     }
 });
 
-var ControlsManager = class {
-    constructor(searchEntry) {
+var ControlsManager = GObject.registerClass(
+class ControlsManager extends St.Widget {
+    _init(searchEntry) {
+        let layout = new ControlsLayout();
+        super._init({
+            layout_manager: layout,
+            x_expand: true,
+            y_expand: true,
+            clip_to_allocation: true
+        });
+
         this.dash = new Dash.Dash();
         this._dashSlider = new DashSlider(this.dash);
         this._dashSpacer = new DashSpacer();
-        this._dashSpacer.setDashActor(this._dashSlider.actor);
+        this._dashSpacer.setDashActor(this._dashSlider);
 
         this._thumbnailsBox = new WorkspaceThumbnail.ThumbnailsBox();
         this._thumbnailsSlider = new ThumbnailsSlider(this._thumbnailsBox);
@@ -430,20 +445,15 @@ var ControlsManager = class {
         this.viewSelector.connect('page-changed', this._setVisibility.bind(this));
         this.viewSelector.connect('page-empty', this._onPageEmpty.bind(this));
 
-        let layout = new ControlsLayout();
-        this.actor = new St.Widget({ layout_manager: layout,
-                                     x_expand: true, y_expand: true,
-                                     clip_to_allocation: true });
         this._group = new St.BoxLayout({ name: 'overview-group',
                                          x_expand: true, y_expand: true });
-        this.actor.add_actor(this._group);
+        this.add_actor(this._group);
 
-        this.actor.add_actor(this._dashSlider.actor);
+        this.add_actor(this._dashSlider);
 
         this._group.add_actor(this._dashSpacer);
-        this._group.add(this.viewSelector.actor, { x_fill: true,
-                                                   expand: true });
-        this._group.add_actor(this._thumbnailsSlider.actor);
+        this._group.add(this.viewSelector, { x_fill: true, expand: true });
+        this._group.add_actor(this._thumbnailsSlider);
 
         layout.connect('allocation-changed', this._updateWorkspacesGeometry.bind(this));
 
@@ -451,18 +461,18 @@ var ControlsManager = class {
     }
 
     _updateWorkspacesGeometry() {
-        let [x, y] = this.actor.get_transformed_position();
-        let [width, height] = this.actor.get_transformed_size();
+        let [x, y] = this.get_transformed_position();
+        let [width, height] = this.get_transformed_size();
         let geometry = { x: x, y: y, width: width, height: height };
 
-        let spacing = this.actor.get_theme_node().get_length('spacing');
+        let spacing = this.get_theme_node().get_length('spacing');
         let dashWidth = this._dashSlider.getVisibleWidth() + spacing;
         let thumbnailsWidth = this._thumbnailsSlider.getNonExpandedWidth() + spacing;
 
         geometry.width -= dashWidth;
         geometry.width -= thumbnailsWidth;
 
-        if (this.actor.get_text_direction() == Clutter.TextDirection.LTR)
+        if (this.get_text_direction() == Clutter.TextDirection.LTR)
             geometry.x += dashWidth;
         else
             geometry.x += thumbnailsWidth;
@@ -509,4 +519,4 @@ var ControlsManager = class {
 
         this._updateSpacerVisibility();
     }
-};
+});

js/ui/padOsd.js

@@ -1,5 +1,5 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
-/* exported PadOsdService */
+/* exported PadOsd, PadOsdService */
 
 const { Atk, Clutter, GDesktopEnums, Gio,
         GLib, GObject, Gtk, Meta, Rsvg, St } = imports.gi;
@@ -22,40 +22,45 @@ const CCW = 1;
 const UP = 0;
 const DOWN = 1;
 
-var PadChooser = class {
-    constructor(device, groupDevices) {
-        this.actor = new St.Button({ style_class: 'pad-chooser-button',
-                                     toggle_mode: true,
-                                     x_fill: false,
-                                     y_fill: false,
-                                     x_align: St.Align.MIDDLE,
-                                     y_align: St.Align.MIDDLE });
+var PadChooser = GObject.registerClass({
+    Signals: { 'pad-selected': { param_types: [Clutter.InputDevice.$gtype] } }
+}, class PadChooser extends St.Button {
+    _init(device, groupDevices) {
+        super._init({
+            style_class: 'pad-chooser-button',
+            toggle_mode: true,
+            x_fill: false,
+            y_fill: false,
+            x_align: St.Align.MIDDLE,
+            y_align: St.Align.MIDDLE
+        });
         this.currentDevice = device;
         this._padChooserMenu = null;
 
         let arrow = new St.Icon({ style_class: 'popup-menu-arrow',
                                   icon_name: 'pan-down-symbolic',
                                   accessible_role: Atk.Role.ARROW });
-        this.actor.set_child(arrow);
+        this.set_child(arrow);
         this._ensureMenu(groupDevices);
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-        this.actor.connect('clicked', actor => {
-            if (actor.get_checked()) {
-                if (this._padChooserMenu != null)
-                    this._padChooserMenu.open(true);
-                else
-                    this.set_checked(false);
-            } else {
-                this._padChooserMenu.close(true);
-            }
-        });
+        this.connect('destroy', this._onDestroy.bind(this));
+    }
+
+    vfunc_clicked() {
+        if (this.get_checked()) {
+            if (this._padChooserMenu != null)
+                this._padChooserMenu.open(true);
+            else
+                this.set_checked(false);
+        } else {
+            this._padChooserMenu.close(true);
+        }
     }
 
     _ensureMenu(devices) {
-        this._padChooserMenu =  new PopupMenu.PopupMenu(this.actor, 0.5, St.Side.TOP);
+        this._padChooserMenu =  new PopupMenu.PopupMenu(this, 0.5, St.Side.TOP);
         this._padChooserMenu.connect('menu-closed', () => {
-            this.actor.set_checked(false);
+            this.set_checked(false);
         });
         this._padChooserMenu.actor.hide();
         Main.uiGroup.add_actor(this._padChooserMenu.actor);
@@ -78,24 +83,20 @@ var PadChooser = class {
     update(devices) {
         if (this._padChooserMenu)
             this._padChooserMenu.actor.destroy();
-        this.actor.set_checked(false);
+        this.set_checked(false);
         this._ensureMenu(devices);
     }
+});
 
-    destroy() {
-        this.actor.destroy();
-    }
-};
-Signals.addSignalMethods(PadChooser.prototype);
-
-var KeybindingEntry = class {
-    constructor() {
-        this.actor = new St.Entry({ hint_text: _("New shortcut…"),
-                                    style: 'width: 10em' });
-        this.actor.connect('captured-event', this._onCapturedEvent.bind(this));
+var KeybindingEntry = GObject.registerClass({
+    GTypeName: 'PadOsd_KeybindingEntry',
+    Signals: { 'keybinding-edited': {} }
+}, class KeybindingEntry extends St.Entry {
+    _init() {
+        super._init({ hint_text: _("New shortcut…"), style: 'width: 10em' });
     }
 
-    _onCapturedEvent(actor, event) {
+    vfunc_captured_event(event) {
         if (event.type() != Clutter.EventType.KEY_PRESS)
             return Clutter.EVENT_PROPAGATE;
 
@@ -103,23 +104,24 @@ var KeybindingEntry = class {
                                                     event.get_key_symbol(),
                                                     event.get_key_code(),
                                                     event.get_state());
-        this.actor.set_text(str);
+        this.set_text(str);
         this.emit('keybinding-edited', str);
         return Clutter.EVENT_STOP;
     }
-};
-Signals.addSignalMethods(KeybindingEntry.prototype);
+});
 
-var ActionComboBox = class {
-    constructor() {
-        this.actor = new St.Button({ style_class: 'button' });
-        this.actor.connect('clicked', this._onButtonClicked.bind(this));
-        this.actor.set_toggle_mode(true);
+var ActionComboBox = GObject.registerClass({
+    GTypeName: 'PadOsd_ActionComboBox',
+    Signals: { 'action-selected': { param_types: [GObject.TYPE_INT] } }
+}, class ActionComboBox extends St.Button {
+    _init() {
+        super._init({ style_class: 'button' });
+        this.set_toggle_mode(true);
 
         let boxLayout = new Clutter.BoxLayout({ orientation: Clutter.Orientation.HORIZONTAL,
                                                 spacing: 6 });
         let box = new St.Widget({ layout_manager: boxLayout });
-        this.actor.set_child(box);
+        this.set_child(box);
 
         this._label = new St.Label({ style_class: 'combo-box-label' });
         box.add_child(this._label);
@@ -131,9 +133,9 @@ var ActionComboBox = class {
                                   y_align: Clutter.ActorAlign.CENTER });
         box.add_child(arrow);
 
-        this._editMenu = new PopupMenu.PopupMenu(this.actor, 0, St.Side.TOP);
+        this._editMenu = new PopupMenu.PopupMenu(this, 0, St.Side.TOP);
         this._editMenu.connect('menu-closed', () => {
-            this.actor.set_checked(false);
+            this.set_checked(false);
         });
         this._editMenu.actor.hide();
         Main.uiGroup.add_actor(this._editMenu.actor);
@@ -179,8 +181,8 @@ var ActionComboBox = class {
         this._editMenu.close(true);
     }
 
-    _onButtonClicked() {
-        if (this.actor.get_checked())
+    vfunc_clicked() {
+        if (this.get_checked())
             this.popup();
         else
             this.popdown();
@@ -189,38 +191,40 @@ var ActionComboBox = class {
     setButtonActionsActive(active) {
         this._buttonItems.forEach(item => item.setSensitive(active));
     }
-};
-Signals.addSignalMethods(ActionComboBox.prototype);
+});
 
-var ActionEditor = class {
-    constructor() {
+var ActionEditor = GObject.registerClass({
+    GTypeName: 'PadOsd_ActionEditor',
+    Signals: { 'done': {} }
+}, class ActionEditor extends St.Widget {
+    _init() {
         let boxLayout = new Clutter.BoxLayout({ orientation: Clutter.Orientation.HORIZONTAL,
                                                 spacing: 12 });
 
-        this.actor = new St.Widget({ layout_manager: boxLayout });
+        super._init({ layout_manager: boxLayout });
 
         this._actionComboBox = new ActionComboBox();
         this._actionComboBox.connect('action-selected', this._onActionSelected.bind(this));
-        this.actor.add_actor(this._actionComboBox.actor);
+        this.add_actor(this._actionComboBox);
 
         this._keybindingEdit = new KeybindingEntry();
         this._keybindingEdit.connect('keybinding-edited', this._onKeybindingEdited.bind(this));
-        this.actor.add_actor(this._keybindingEdit.actor);
+        this.add_actor(this._keybindingEdit);
 
         this._doneButton = new St.Button({ label: _("Done"),
                                            style_class: 'button',
                                            x_expand: false });
         this._doneButton.connect('clicked', this._onEditingDone.bind(this));
-        this.actor.add_actor(this._doneButton);
+        this.add_actor(this._doneButton);
     }
 
     _updateKeybindingEntryState() {
         if (this._currentAction == GDesktopEnums.PadButtonAction.KEYBINDING) {
-            this._keybindingEdit.actor.set_text(this._currentKeybinding);
-            this._keybindingEdit.actor.show();
-            this._keybindingEdit.actor.grab_key_focus();
+            this._keybindingEdit.set_text(this._currentKeybinding);
+            this._keybindingEdit.show();
+            this._keybindingEdit.grab_key_focus();
         } else {
-            this._keybindingEdit.actor.hide();
+            this._keybindingEdit.hide();
         }
     }
 
@@ -238,7 +242,7 @@ var ActionEditor = class {
 
     close() {
         this._actionComboBox.popdown();
-        this.actor.hide();
+        this.hide();
     }
 
     _onKeybindingEdited(entry, keybinding) {
@@ -272,8 +276,7 @@ var ActionEditor = class {
         this.close();
         this.emit('done');
     }
-};
-Signals.addSignalMethods(ActionEditor.prototype);
+});
 
 var PadDiagram = GObject.registerClass({
     Properties: {
@@ -615,8 +618,18 @@ var PadDiagram = GObject.registerClass({
     }
 });
 
-var PadOsd = class {
-    constructor(padDevice, settings, imagePath, editionMode, monitorIndex) {
+var PadOsd = GObject.registerClass({
+    Signals: { 'pad-selected': { param_types: [Clutter.InputDevice.$gtype] } }
+}, class PadOsd extends St.BoxLayout {
+    _init(padDevice, settings, imagePath, editionMode, monitorIndex) {
+        super._init({
+            style_class: 'pad-osd-window',
+            vertical: true,
+            x_expand: true,
+            y_expand: true,
+            reactive: true
+        });
+
         this.padDevice = padDevice;
         this._groupPads = [padDevice];
         this._settings = settings;
@@ -653,23 +666,18 @@ var PadOsd = class {
                 this._groupPads.push(device);
         });
 
-        this.actor = new St.BoxLayout({ style_class: 'pad-osd-window',
-                                        x_expand: true,
-                                        y_expand: true,
-                                        vertical: true,
-                                        reactive: true });
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-        Main.uiGroup.add_actor(this.actor);
+        this.connect('destroy', this._onDestroy.bind(this));
+        Main.uiGroup.add_actor(this);
 
         this._monitorIndex = monitorIndex;
         let constraint = new Layout.MonitorConstraint({ index: monitorIndex });
-        this.actor.add_constraint(constraint);
+        this.add_constraint(constraint);
 
         this._titleBox = new St.BoxLayout({ style_class: 'pad-osd-title-box',
                                             vertical: false,
                                             x_expand: false,
                                             x_align: Clutter.ActorAlign.CENTER });
-        this.actor.add_actor(this._titleBox);
+        this.add_actor(this._titleBox);
 
         let labelBox = new St.BoxLayout({ style_class: 'pad-osd-title-menu-box',
                                           vertical: true });
@@ -690,10 +698,10 @@ var PadOsd = class {
 
         this._padDiagram = new PadDiagram({ image: this._imagePath,
                                             left_handed: settings.get_boolean('left-handed'),
-                                            editor_actor: this._actionEditor.actor,
+                                            editor_actor: this._actionEditor,
                                             x_expand: true,
                                             y_expand: true });
-        this.actor.add_actor(this._padDiagram);
+        this.add_actor(this._padDiagram);
 
         // FIXME: Fix num buttons.
         let i = 0;
@@ -724,7 +732,7 @@ var PadOsd = class {
                                         x_expand: true,
                                         x_align: Clutter.ActorAlign.CENTER,
                                         y_align: Clutter.ActorAlign.CENTER });
-        this.actor.add_actor(buttonBox);
+        this.add_actor(buttonBox);
         this._editButton = new St.Button({ label: _("Edit…"),
                                            style_class: 'button',
                                            x_align: Clutter.ActorAlign.CENTER,
@@ -735,7 +743,7 @@ var PadOsd = class {
         buttonBox.add_actor(this._editButton);
 
         this._syncEditionMode();
-        Main.pushModal(this.actor);
+        Main.pushModal(this);
     }
 
     _updatePadChooser() {
@@ -745,7 +753,7 @@ var PadOsd = class {
                 this._padChooser.connect('pad-selected', (chooser, pad) => {
                     this._requestForOtherPad(pad);
                 });
-                this._titleBox.add_child(this._padChooser.actor);
+                this._titleBox.add_child(this._padChooser);
             } else {
                 this._padChooser.update(this._groupPads);
             }
@@ -918,12 +926,8 @@ var PadOsd = class {
         this._syncEditionMode();
     }
 
-    destroy() {
-        this.actor.destroy();
-    }
-
     _onDestroy() {
-        Main.popModal(this.actor);
+        Main.popModal(this);
         this._actionEditor.close();
 
         let deviceManager = Clutter.DeviceManager.get_default();
@@ -941,11 +945,9 @@ var PadOsd = class {
             this._capturedEventId = 0;
         }
 
-        this.actor = null;
         this.emit('closed');
     }
-};
-Signals.addSignalMethods(PadOsd.prototype);
+});
 
 const PadOsdIface = loadInterfaceXML('org.gnome.Shell.Wacom.PadOsd');
 

js/ui/pageIndicators.js

@@ -20,14 +20,17 @@ var ANIMATION_DELAY = 100;
 var PageIndicators = GObject.registerClass({
     Signals: { 'page-activated': { param_types: [GObject.TYPE_INT] } }
 }, class PageIndicators extends St.BoxLayout {
-    _init(vertical = true) {
-        super._init({ style_class: 'page-indicators',
-                      vertical,
-                      x_expand: true, y_expand: true,
-                      x_align: vertical ? Clutter.ActorAlign.END : Clutter.ActorAlign.CENTER,
-                      y_align: vertical ? Clutter.ActorAlign.CENTER : Clutter.ActorAlign.END,
-                      reactive: true,
-                      clip_to_allocation: true });
+    _init(orientation = Clutter.Orientation.VERTICAL) {
+        let vertical = orientation == Clutter.Orientation.VERTICAL;
+        super._init({
+            style_class: 'page-indicators',
+            vertical,
+            x_expand: true, y_expand: true,
+            x_align: vertical ? Clutter.ActorAlign.END : Clutter.ActorAlign.CENTER,
+            y_align: vertical ? Clutter.ActorAlign.CENTER : Clutter.ActorAlign.END,
+            reactive: true,
+            clip_to_allocation: true
+        });
         this._nPages = 0;
         this._currentPage = undefined;
         this._reactive = true;
@@ -93,18 +96,26 @@ var PageIndicators = GObject.registerClass({
 var AnimatedPageIndicators = GObject.registerClass(
 class AnimatedPageIndicators extends PageIndicators {
     _init() {
-        super._init(true);
+        super._init();
+        this.connect('destroy', this._onDestroy.bind(this));
+    }
 
-        this.connect('notify::mapped', () => {
-            if (!this.mapped)
-                return;
+    _onDestroy() {
+        if (this.animateLater) {
+            Meta.later_remove(this.animateLater);
+            this.animateLater = 0;
+        }
+    }
 
-            // Implicit animations are skipped for unmapped actors, and our
-            // children aren't mapped yet, so defer to a later handler
-            Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
-                this.animateIndicators(AnimationDirection.IN);
-                return GLib.SOURCE_REMOVE;
-            });
+    vfunc_map() {
+        super.vfunc_map();
+
+        // Implicit animations are skipped for unmapped actors, and our
+        // children aren't mapped yet, so defer to a later handler
+        this.animateLater = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
+            this.animateLater = 0;
+            this.animateIndicators(AnimationDirection.IN);
+            return GLib.SOURCE_REMOVE;
         });
     }
 
@@ -126,12 +137,14 @@ class AnimatedPageIndicators extends PageIndicators {
             offset = children[0].width;
 
         let isAnimationIn = animationDirection == AnimationDirection.IN;
-        let delay = isAnimationIn ? INDICATORS_ANIMATION_DELAY :
-                                    INDICATORS_ANIMATION_DELAY_OUT;
+        let delay = isAnimationIn
+            ? INDICATORS_ANIMATION_DELAY
+            : INDICATORS_ANIMATION_DELAY_OUT;
         let baseTime = isAnimationIn ? INDICATORS_BASE_TIME : INDICATORS_BASE_TIME_OUT;
         let totalAnimationTime = baseTime + delay * this._nPages;
-        let maxTime = isAnimationIn ? INDICATORS_ANIMATION_MAX_TIME :
-                                      INDICATORS_ANIMATION_MAX_TIME_OUT;
+        let maxTime = isAnimationIn
+            ? INDICATORS_ANIMATION_MAX_TIME
+            : INDICATORS_ANIMATION_MAX_TIME_OUT;
         if (totalAnimationTime > maxTime)
             delay -= (totalAnimationTime - maxTime) / this._nPages;
 

js/ui/panel.js

@@ -235,7 +235,7 @@ var AppMenuButton = GObject.registerClass({
         this._overviewShowingId = Main.overview.connect('showing', this._sync.bind(this));
 
         this._spinner = new Animation.Spinner(PANEL_ICON_SIZE, true);
-        this._container.add_actor(this._spinner.actor);
+        this._container.add_actor(this._spinner);
 
         let menu = new AppMenu(this);
         this.setMenu(menu);
@@ -430,9 +430,6 @@ class ActivitiesButton extends PanelMenu.Button {
 
         this.label_actor = this._label;
 
-        this.connect('captured-event', this._onCapturedEvent.bind(this));
-        this.connect_after('key-release-event', this._onKeyRelease.bind(this));
-
         Main.overview.connect('showing', () => {
             this.add_style_pseudo_class('overview');
             this.add_accessible_state (Atk.StateType.CHECKED);
@@ -459,7 +456,7 @@ class ActivitiesButton extends PanelMenu.Button {
         return DND.DragMotionResult.CONTINUE;
     }
 
-    _onCapturedEvent(actor, event) {
+    vfunc_captured_event(event) {
         if (event.type() == Clutter.EventType.BUTTON_PRESS ||
             event.type() == Clutter.EventType.TOUCH_BEGIN) {
             if (!Main.overview.shouldToggleByCornerOrButton())
@@ -468,9 +465,7 @@ class ActivitiesButton extends PanelMenu.Button {
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onEvent(actor, event) {
-        super._onEvent(actor, event);
-
+    vfunc_event(event) {
         if (event.type() == Clutter.EventType.TOUCH_END ||
             event.type() == Clutter.EventType.BUTTON_RELEASE)
             if (Main.overview.shouldToggleByCornerOrButton())
@@ -479,13 +474,16 @@ class ActivitiesButton extends PanelMenu.Button {
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onKeyRelease(actor, event) {
-        let symbol = event.get_key_symbol();
-        if (symbol == Clutter.KEY_Return || symbol == Clutter.KEY_space) {
-            if (Main.overview.shouldToggleByCornerOrButton())
-                Main.overview.toggle();
+    vfunc_key_release_event(keyEvent) {
+        let ret = super.vfunc_key_release_event(keyEvent);
+        if (ret == Clutter.EVENT_PROPAGATE) {
+            let symbol = keyEvent.keyval;
+            if (symbol == Clutter.KEY_Return || symbol == Clutter.KEY_space) {
+                if (Main.overview.shouldToggleByCornerOrButton())
+                    Main.overview.toggle();
+            }
         }
-        return Clutter.EVENT_PROPAGATE;
+        return ret;
     }
 
     _xdndToggleOverview() {
@@ -501,13 +499,12 @@ class ActivitiesButton extends PanelMenu.Button {
     }
 });
 
-var PanelCorner = class {
-    constructor(side) {
+var PanelCorner = GObject.registerClass(
+class PanelCorner extends St.DrawingArea {
+    _init(side) {
         this._side = side;
 
-        this.actor = new St.DrawingArea({ style_class: 'panel-corner' });
-        this.actor.connect('style-changed', this._styleChanged.bind(this));
-        this.actor.connect('repaint', this._repaint.bind(this));
+        super._init({ style_class: 'panel-corner' });
     }
 
     _findRightmostButton(container) {
@@ -597,7 +594,7 @@ var PanelCorner = class {
             this._buttonStyleChangedSignalId = button.connect('style-changed',
                 () => {
                     let pseudoClass = button.get_style_pseudo_class();
-                    this.actor.set_style_pseudo_class(pseudoClass);
+                    this.set_style_pseudo_class(pseudoClass);
                 });
 
             // The corner doesn't support theme transitions, so override
@@ -606,8 +603,8 @@ var PanelCorner = class {
         }
     }
 
-    _repaint() {
-        let node = this.actor.get_theme_node();
+    vfunc_repaint() {
+        let node = this.get_theme_node();
 
         let cornerRadius = node.get_length("-panel-corner-radius");
         let borderWidth = node.get_length('-panel-corner-border-width');
@@ -618,7 +615,7 @@ var PanelCorner = class {
         let overlap = borderColor.alpha != 0;
         let offsetY = overlap ? 0 : borderWidth;
 
-        let cr = this.actor.get_context();
+        let cr = this.get_context();
         cr.setOperator(Cairo.Operator.SOURCE);
 
         cr.moveTo(0, offsetY);
@@ -654,16 +651,17 @@ var PanelCorner = class {
         cr.$dispose();
     }
 
-    _styleChanged() {
-        let node = this.actor.get_theme_node();
+    vfunc_style_changed() {
+        super.vfunc_style_changed();
+        let node = this.get_theme_node();
 
         let cornerRadius = node.get_length("-panel-corner-radius");
         let borderWidth = node.get_length('-panel-corner-border-width');
 
-        this.actor.set_size(cornerRadius, borderWidth + cornerRadius);
-        this.actor.set_anchor_point(0, borderWidth);
+        this.set_size(cornerRadius, borderWidth + cornerRadius);
+        this.set_anchor_point(0, borderWidth);
     }
-};
+});
 
 var AggregateLayout = GObject.registerClass(
 class AggregateLayout extends Clutter.BoxLayout {
@@ -728,20 +726,20 @@ class AggregateMenu extends PanelMenu.Button {
         this._nightLight = new imports.ui.status.nightLight.Indicator();
         this._thunderbolt = new imports.ui.status.thunderbolt.Indicator();
 
-        this._indicators.add_child(this._thunderbolt.indicators);
-        this._indicators.add_child(this._screencast.indicators);
-        this._indicators.add_child(this._location.indicators);
-        this._indicators.add_child(this._nightLight.indicators);
+        this._indicators.add_child(this._thunderbolt);
+        this._indicators.add_child(this._screencast);
+        this._indicators.add_child(this._location);
+        this._indicators.add_child(this._nightLight);
         if (this._network) {
-            this._indicators.add_child(this._network.indicators);
+            this._indicators.add_child(this._network);
         }
         if (this._bluetooth) {
-            this._indicators.add_child(this._bluetooth.indicators);
+            this._indicators.add_child(this._bluetooth);
         }
-        this._indicators.add_child(this._remoteAccess.indicators);
-        this._indicators.add_child(this._rfkill.indicators);
-        this._indicators.add_child(this._volume.indicators);
-        this._indicators.add_child(this._power.indicators);
+        this._indicators.add_child(this._remoteAccess);
+        this._indicators.add_child(this._rfkill);
+        this._indicators.add_child(this._volume);
+        this._indicators.add_child(this._power);
         this._indicators.add_child(PopupMenu.arrowIcon(St.Side.BOTTOM));
 
         this.menu.addMenuItem(this._volume.menu);
@@ -799,14 +797,10 @@ class Panel extends St.Widget {
         this.add_child(this._rightBox);
 
         this._leftCorner = new PanelCorner(St.Side.LEFT);
-        this.add_child(this._leftCorner.actor);
+        this.add_child(this._leftCorner);
 
         this._rightCorner = new PanelCorner(St.Side.RIGHT);
-        this.add_child(this._rightCorner.actor);
-
-        this.connect('button-press-event', this._onButtonPress.bind(this));
-        this.connect('touch-event', this._onButtonPress.bind(this));
-        this.connect('key-press-event', this._onKeyPress.bind(this));
+        this.add_child(this._rightCorner);
 
         Main.overview.connect('showing', () => {
             this.add_style_pseudo_class('overview');
@@ -895,62 +889,65 @@ class Panel extends St.Widget {
 
         let cornerWidth, cornerHeight;
 
-        [, cornerWidth] = this._leftCorner.actor.get_preferred_width(-1);
-        [, cornerHeight] = this._leftCorner.actor.get_preferred_height(-1);
+        [, cornerWidth] = this._leftCorner.get_preferred_width(-1);
+        [, cornerHeight] = this._leftCorner.get_preferred_height(-1);
         childBox.x1 = 0;
         childBox.x2 = cornerWidth;
         childBox.y1 = allocHeight;
         childBox.y2 = allocHeight + cornerHeight;
-        this._leftCorner.actor.allocate(childBox, flags);
+        this._leftCorner.allocate(childBox, flags);
 
-        [, cornerWidth] = this._rightCorner.actor.get_preferred_width(-1);
-        [, cornerHeight] = this._rightCorner.actor.get_preferred_height(-1);
+        [, cornerWidth] = this._rightCorner.get_preferred_width(-1);
+        [, cornerHeight] = this._rightCorner.get_preferred_height(-1);
         childBox.x1 = allocWidth - cornerWidth;
         childBox.x2 = allocWidth;
         childBox.y1 = allocHeight;
         childBox.y2 = allocHeight + cornerHeight;
-        this._rightCorner.actor.allocate(childBox, flags);
+        this._rightCorner.allocate(childBox, flags);
     }
 
-    _onButtonPress(actor, event) {
+    _tryDragWindow(event) {
         if (Main.modalCount > 0)
             return Clutter.EVENT_PROPAGATE;
 
-        if (event.get_source() != actor)
+        if (event.source != this)
             return Clutter.EVENT_PROPAGATE;
 
-        let type = event.type();
-        let isPress = type == Clutter.EventType.BUTTON_PRESS;
-        if (!isPress && type != Clutter.EventType.TOUCH_BEGIN)
-            return Clutter.EVENT_PROPAGATE;
-
-        let button = isPress ? event.get_button() : -1;
-        if (isPress && button != 1)
-            return Clutter.EVENT_PROPAGATE;
-
-        let [stageX, stageY] = event.get_coords();
-
-        let dragWindow = this._getDraggableWindowForPosition(stageX);
+        let { x, y } = event;
+        let dragWindow = this._getDraggableWindowForPosition(x);
 
         if (!dragWindow)
             return Clutter.EVENT_PROPAGATE;
 
-        global.display.begin_grab_op(dragWindow,
-                                     Meta.GrabOp.MOVING,
-                                     false, /* pointer grab */
-                                     true, /* frame action */
-                                     button,
-                                     event.get_state(),
-                                     event.get_time(),
-                                     stageX, stageY);
-
-        return Clutter.EVENT_STOP;
+        return global.display.begin_grab_op(
+            dragWindow,
+            Meta.GrabOp.MOVING,
+            false, /* pointer grab */
+            true, /* frame action */
+            event.button || -1,
+            event.modifier_state,
+            event.time,
+            x, y) ? Clutter.EVENT_STOP : Clutter.EVENT_PROPAGATE;
     }
 
-    _onKeyPress(actor, event) {
-        let symbol = event.get_key_symbol();
+    vfunc_button_press_event(buttonEvent) {
+        if (buttonEvent.button != 1)
+            return Clutter.EVENT_PROPAGATE;
+
+        return this._tryDragWindow(buttonEvent);
+    }
+
+    vfunc_touch_event(touchEvent) {
+        if (touchEvent.type != Clutter.EventType.TOUCH_BEGIN)
+            return Clutter.EVENT_PROPAGATE;
+
+        return this._tryDragWindow(touchEvent);
+    }
+
+    vfunc_key_press_event(keyEvent) {
+        let symbol = keyEvent.keyval;
         if (symbol == Clutter.KEY_Escape) {
-            global.display.focus_default_window(event.get_time());
+            global.display.focus_default_window(keyEvent.time);
             return Clutter.EVENT_STOP;
         }
 
@@ -1114,14 +1111,14 @@ class Panel extends St.Widget {
 
     _addStyleClassName(className) {
         this.add_style_class_name(className);
-        this._rightCorner.actor.add_style_class_name(className);
-        this._leftCorner.actor.add_style_class_name(className);
+        this._rightCorner.add_style_class_name(className);
+        this._leftCorner.add_style_class_name(className);
     }
 
     _removeStyleClassName(className) {
         this.remove_style_class_name(className);
-        this._rightCorner.actor.remove_style_class_name(className);
-        this._leftCorner.actor.remove_style_class_name(className);
+        this._rightCorner.remove_style_class_name(className);
+        this._leftCorner.remove_style_class_name(className);
     }
 
     _onMenuSet(indicator) {

js/ui/panelMenu.js

@@ -2,7 +2,6 @@
 /* exported Button, SystemIndicator */
 
 const { Atk, Clutter, GObject, St } = imports.gi;
-const Signals = imports.signals;
 
 const Main = imports.ui.main;
 const Params = imports.misc.params;
@@ -101,9 +100,6 @@ var Button = GObject.registerClass({
                       accessible_name: nameText ? nameText : "",
                       accessible_role: Atk.Role.MENU });
 
-        this.connect('event', this._onEvent.bind(this));
-        this.connect('notify::visible', this._onVisibilityChanged.bind(this));
-
         if (dontCreateMenu)
             this.menu = new PopupMenu.PopupDummyMenu(this);
         else
@@ -132,7 +128,7 @@ var Button = GObject.registerClass({
         this.emit('menu-set');
     }
 
-    _onEvent(actor, event) {
+    vfunc_event(event) {
         if (this.menu &&
             (event.type() == Clutter.EventType.TOUCH_BEGIN ||
              event.type() == Clutter.EventType.BUTTON_PRESS))
@@ -141,11 +137,10 @@ var Button = GObject.registerClass({
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onVisibilityChanged() {
-        if (!this.menu)
-            return;
+    vfunc_hide() {
+        super.vfunc_hide();
 
-        if (!this.visible)
+        if (this.menu)
             this.menu.close();
     }
 
@@ -200,24 +195,34 @@ var Button = GObject.registerClass({
  * of an icon and a menu section, which will be composed into the
  * aggregate menu.
  */
-var SystemIndicator = class {
-    constructor() {
-        this.indicators = new St.BoxLayout({ style_class: 'panel-status-indicators-box',
-                                             reactive: true });
-        this.indicators.hide();
+var SystemIndicator = GObject.registerClass({
+    GTypeName: 'PanelMenu_SystemIndicator',
+}, class SystemIndicator extends St.BoxLayout {
+    _init() {
+        super._init({
+            style_class: 'panel-status-indicators-box',
+            reactive: true,
+            visible: false
+        });
         this.menu = new PopupMenu.PopupMenuSection();
     }
 
+    get indicators() {
+        let klass = this.constructor.name;
+        let { stack } = new Error();
+        log(`Usage of indicator.indicators is deprecated for ${klass}\n${stack}`);
+        return this;
+    }
+
     _syncIndicatorsVisible() {
-        this.indicators.visible = this.indicators.get_children().some(a => a.visible);
+        this.visible = this.get_children().some(a => a.visible);
     }
 
     _addIndicator() {
         let icon = new St.Icon({ style_class: 'system-status-icon' });
-        this.indicators.add_actor(icon);
+        this.add_actor(icon);
         icon.connect('notify::visible', this._syncIndicatorsVisible.bind(this));
         this._syncIndicatorsVisible();
         return icon;
     }
-};
-Signals.addSignalMethods(SystemIndicator.prototype);
+});

js/ui/popupMenu.js

@@ -3,7 +3,7 @@
             PopupImageMenuItem, PopupMenu, PopupDummyMenu, PopupSubMenu,
             PopupMenuSection, PopupSubMenuMenuItem, PopupMenuManager */
 
-const { Atk, Clutter, Gio, GObject, Shell, St } = imports.gi;
+const { Atk, Clutter, Gio, GObject, Graphene, Shell, St } = imports.gi;
 const Signals = imports.signals;
 
 const BoxPointer = imports.ui.boxpointer;
@@ -15,6 +15,7 @@ var Ornament = {
     NONE: 0,
     DOT: 1,
     CHECK: 2,
+    HIDDEN: 3,
 };
 
 function isPopupMenuItemVisible(child) {
@@ -96,12 +97,6 @@ var PopupBaseMenuItem = GObject.registerClass({
         if (params.style_class)
             this.add_style_class_name(params.style_class);
 
-        if (this._activatable) {
-            this.connect('button-press-event', this._onButtonPressEvent.bind(this));
-            this.connect('button-release-event', this._onButtonReleaseEvent.bind(this));
-            this.connect('touch-event', this._onTouchEvent.bind(this));
-            this.connect('key-press-event', this._onKeyPressEvent.bind(this));
-        }
         if (params.reactive && params.hover)
             this.bind_property('hover', this, 'active', GObject.BindingFlags.SYNC_CREATE);
     }
@@ -123,32 +118,44 @@ var PopupBaseMenuItem = GObject.registerClass({
         this._parent = parent;
     }
 
-    _onButtonPressEvent() {
+    vfunc_button_press_event(buttonEvent) {
+        if (!this._activatable)
+            return super.vfunc_button_press_event(buttonEvent);
+
         // This is the CSS active state
         this.add_style_pseudo_class('active');
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onButtonReleaseEvent(actor, event) {
+    vfunc_button_release_event(buttonEvent) {
+        if (!this._activatable)
+            return super.vfunc_button_release_event(buttonEvent);
+
         this.remove_style_pseudo_class('active');
-        this.activate(event);
+        this.activate(Clutter.get_current_event());
         return Clutter.EVENT_STOP;
     }
 
-    _onTouchEvent(actor, event) {
-        if (event.type() == Clutter.EventType.TOUCH_END) {
+    vfunc_touch_event(touchEvent) {
+        if (!this._activatable)
+            return super.vfunc_touch_event(touchEvent);
+
+        if (touchEvent.type == Clutter.EventType.TOUCH_END) {
             this.remove_style_pseudo_class('active');
-            this.activate(event);
+            this.activate(Clutter.get_current_event());
             return Clutter.EVENT_STOP;
-        } else if (event.type() == Clutter.EventType.TOUCH_BEGIN) {
+        } else if (touchEvent.type == Clutter.EventType.TOUCH_BEGIN) {
             // This is the CSS active state
             this.add_style_pseudo_class('active');
         }
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onKeyPressEvent(actor, event) {
-        let state = event.get_state();
+    vfunc_key_press_event(keyEvent) {
+        if (!this._activatable)
+            return super.vfunc_key_press_event(keyEvent);
+
+        let state = keyEvent.modifier_state;
 
         // if user has a modifier down (except capslock and numlock)
         // then don't handle the key press here
@@ -159,9 +166,9 @@ var PopupBaseMenuItem = GObject.registerClass({
         if (state)
             return Clutter.EVENT_PROPAGATE;
 
-        let symbol = event.get_key_symbol();
+        let symbol = keyEvent.keyval;
         if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
-            this.activate(event);
+            this.activate(Clutter.get_current_event());
             return Clutter.EVENT_STOP;
         }
         return Clutter.EVENT_PROPAGATE;
@@ -248,10 +255,12 @@ var PopupBaseMenuItem = GObject.registerClass({
         } else if (ornament == Ornament.CHECK) {
             this._ornamentLabel.text = '\u2713';
             this.add_accessible_state(Atk.StateType.CHECKED);
-        } else if (ornament == Ornament.NONE) {
+        } else if (ornament == Ornament.NONE || ornament == Ornament.HIDDEN) {
             this._ornamentLabel.text = '';
             this.remove_accessible_state(Atk.StateType.CHECKED);
         }
+
+        this._ornamentLabel.visible = ornament != Ornament.HIDDEN;
     }
 });
 
@@ -425,6 +434,7 @@ var PopupMenuBase = class {
             throw new TypeError(`Cannot instantiate abstract class ${this.constructor.name}`);
 
         this.sourceActor = sourceActor;
+        this.focusActor = sourceActor;
         this._parent = null;
 
         if (styleClass !== undefined) {
@@ -549,7 +559,7 @@ var PopupMenuBase = class {
     }
 
     _connectItemSignals(menuItem) {
-        menuItem._activeChangeId = menuItem.connect('notify::active', (menuItem) => {
+        menuItem._activeChangeId = menuItem.connect('notify::active', menuItem => {
             let active = menuItem.active;
             if (active && this._activeMenuItem != menuItem) {
                 if (this._activeMenuItem)
@@ -613,8 +623,8 @@ var PopupMenuBase = class {
         while (childBeforeIndex >= 0 && !isPopupMenuItemVisible(children[childBeforeIndex]))
             childBeforeIndex--;
 
-        if (childBeforeIndex < 0
-            || children[childBeforeIndex]._delegate instanceof PopupSeparatorMenuItem) {
+        if (childBeforeIndex < 0 ||
+            children[childBeforeIndex]._delegate instanceof PopupSeparatorMenuItem) {
             menuItem.actor.hide();
             return;
         }
@@ -624,8 +634,8 @@ var PopupMenuBase = class {
         while (childAfterIndex < children.length && !isPopupMenuItemVisible(children[childAfterIndex]))
             childAfterIndex++;
 
-        if (childAfterIndex >= children.length
-            || children[childAfterIndex]._delegate instanceof PopupSeparatorMenuItem) {
+        if (childAfterIndex >= children.length ||
+            children[childAfterIndex]._delegate instanceof PopupSeparatorMenuItem) {
             menuItem.actor.hide();
             return;
         }
@@ -718,10 +728,11 @@ var PopupMenuBase = class {
                 this.disconnect(openStateChangeId);
                 menuItem.disconnect(destroyId);
             });
-        } else if (menuItem instanceof PopupBaseMenuItem)
+        } else if (menuItem instanceof PopupBaseMenuItem) {
             this._connectItemSignals(menuItem);
-        else
+        } else {
             throw TypeError("Invalid argument to PopupMenuBase.addMenuItem()");
+        }
 
         menuItem._setParent(this);
 
@@ -1125,7 +1136,7 @@ class PopupSubMenuMenuItem extends PopupBaseMenuItem {
         this.add(expander, { expand: true });
 
         this._triangle = arrowIcon(St.Side.RIGHT);
-        this._triangle.pivot_point = new Clutter.Point({ x: 0.5, y: 0.6 });
+        this._triangle.pivot_point = new Graphene.Point({ x: 0.5, y: 0.6 });
 
         this._triangleBin = new St.Widget({ y_expand: true,
                                             y_align: Clutter.ActorAlign.CENTER });
@@ -1180,8 +1191,8 @@ class PopupSubMenuMenuItem extends PopupBaseMenuItem {
         return this.menu.isOpen;
     }
 
-    _onKeyPressEvent(actor, event) {
-        let symbol = event.get_key_symbol();
+    vfunc_key_press_event(keyPressEvent) {
+        let symbol = keyPressEvent.keyval;
 
         if (symbol == Clutter.KEY_Right) {
             this._setOpenState(true);
@@ -1192,14 +1203,14 @@ class PopupSubMenuMenuItem extends PopupBaseMenuItem {
             return Clutter.EVENT_STOP;
         }
 
-        return super._onKeyPressEvent(actor, event);
+        return super.vfunc_key_press_event(keyPressEvent);
     }
 
     activate(_event) {
         this._setOpenState(true);
     }
 
-    _onButtonReleaseEvent() {
+    vfunc_button_release_event() {
         // Since we override the parent, we need to manage what the parent does
         // with the active style class
         this.remove_style_pseudo_class('active');
@@ -1207,8 +1218,8 @@ class PopupSubMenuMenuItem extends PopupBaseMenuItem {
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onTouchEvent(actor, event) {
-        if (event.type() == Clutter.EventType.TOUCH_END) {
+    vfunc_touch_event(touchEvent) {
+        if (touchEvent.type == Clutter.EventType.TOUCH_END) {
             // Since we override the parent, we need to manage what the parent does
             // with the active style class
             this.remove_style_pseudo_class('active');
@@ -1296,18 +1307,20 @@ var PopupMenuManager = class {
         if (open) {
             if (this.activeMenu)
                 this.activeMenu.close(BoxPointer.PopupAnimation.FADE);
-            this._grabHelper.grab({ actor: menu.actor, focus: menu.sourceActor,
-                                    onUngrab: isUser => {
-                                        this._closeMenu(isUser, menu);
-                                    } });
+            this._grabHelper.grab({
+                actor: menu.actor,
+                focus: menu.focusActor,
+                onUngrab: isUser => this._closeMenu(isUser, menu),
+            });
         } else {
             this._grabHelper.ungrab({ actor: menu.actor });
         }
     }
 
     _changeMenu(newMenu) {
-        newMenu.open(this.activeMenu ? BoxPointer.PopupAnimation.FADE
-                                     : BoxPointer.PopupAnimation.FULL);
+        newMenu.open(this.activeMenu
+            ? BoxPointer.PopupAnimation.FADE
+            : BoxPointer.PopupAnimation.FULL);
     }
 
     _onMenuSourceEnter(menu) {

js/ui/ripples.js

@@ -67,7 +67,7 @@ var Ripples = class Ripples {
             delay,
             duration,
             mode: Clutter.AnimationMode.LINEAR,
-            onComplete: () => ripple.visible = false
+            onComplete: () => (ripple.visible = false)
         });
     }
 

js/ui/runDialog.js

@@ -104,7 +104,7 @@ class RunDialog extends ModalDialog.ModalDialog {
 
         this._history = new History.HistoryManager({ gsettingsKey: HISTORY_KEY,
                                                      entry: this._entryText });
-        this._entryText.connect('activate', (o) => {
+        this._entryText.connect('activate', o => {
             this.popModal();
             this._run(o.get_text(),
                       Clutter.get_current_event().get_state() & Clutter.ModifierType.CONTROL_MASK);

js/ui/screenShield.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
 const { AccountsService, Clutter, Cogl, Gio, GLib,
-        GnomeDesktop, GObject, Meta, Shell, St } = imports.gi;
+        GnomeDesktop, GObject, Graphene, Meta, Shell, St } = imports.gi;
 const Cairo = imports.cairo;
 const Signals = imports.signals;
 
@@ -17,6 +17,8 @@ const MessageTray = imports.ui.messageTray;
 const ShellDBus = imports.ui.shellDBus;
 const SmartcardManager = imports.misc.smartcardManager;
 
+const { adjustAnimationTime } = imports.ui.environment;
+
 const SCREENSAVER_SCHEMA = 'org.gnome.desktop.screensaver';
 const LOCK_ENABLED_KEY = 'lock-enabled';
 const LOCK_DELAY_KEY = 'lock-delay';
@@ -46,21 +48,23 @@ var STANDARD_FADE_TIME = 10000;
 var MANUAL_FADE_TIME = 300;
 var CURTAIN_SLIDE_TIME = 300;
 
-var Clock = class {
-    constructor() {
-        this.actor = new St.BoxLayout({ style_class: 'screen-shield-clock',
-                                        vertical: true });
+var Clock = GObject.registerClass(
+class ScreenShieldClock extends St.BoxLayout {
+    _init() {
+        super._init({ style_class: 'screen-shield-clock', vertical: true });
 
         this._time = new St.Label({ style_class: 'screen-shield-clock-time' });
         this._date = new St.Label({ style_class: 'screen-shield-clock-date' });
 
-        this.actor.add(this._time, { x_align: St.Align.MIDDLE });
-        this.actor.add(this._date, { x_align: St.Align.MIDDLE });
+        this.add(this._time, { x_align: St.Align.MIDDLE });
+        this.add(this._date, { x_align: St.Align.MIDDLE });
 
         this._wallClock = new GnomeDesktop.WallClock({ time_only: true });
         this._wallClock.connect('notify::clock', this._updateClock.bind(this));
 
         this._updateClock();
+
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
     _updateClock() {
@@ -73,17 +77,20 @@ var Clock = class {
         this._date.text = date.toLocaleFormat(dateFormat);
     }
 
-    destroy() {
-        this.actor.destroy();
+    _onDestroy() {
         this._wallClock.run_dispose();
     }
-};
+});
 
-var NotificationsBox = class {
-    constructor() {
-        this.actor = new St.BoxLayout({ vertical: true,
-                                        name: 'screenShieldNotifications',
-                                        style_class: 'screen-shield-notifications-container' });
+var NotificationsBox = GObject.registerClass({
+    Signals: { 'wake-up-screen': {} }
+}, class NotificationsBox extends St.BoxLayout {
+    _init() {
+        super._init({
+            vertical: true,
+            name: 'screenShieldNotifications',
+            style_class: 'screen-shield-notifications-container'
+        });
 
         this._scrollView = new St.ScrollView({ x_fill: false, x_align: St.Align.START,
                                                hscrollbar_policy: St.PolicyType.NEVER });
@@ -91,7 +98,7 @@ var NotificationsBox = class {
                                                    style_class: 'screen-shield-notifications-container' });
         this._scrollView.add_actor(this._notificationBox);
 
-        this.actor.add(this._scrollView, { x_fill: true, x_align: St.Align.START });
+        this.add(this._scrollView, { x_fill: true, x_align: St.Align.START });
 
         this._sources = new Map();
         Main.messageTray.getSources().forEach(source => {
@@ -100,9 +107,11 @@ var NotificationsBox = class {
         this._updateVisibility();
 
         this._sourceAddedId = Main.messageTray.connect('source-added', this._sourceAdded.bind(this));
+
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
-    destroy() {
+    _onDestroy() {
         if (this._sourceAddedId) {
             Main.messageTray.disconnect(this._sourceAddedId);
             this._sourceAddedId = 0;
@@ -112,15 +121,13 @@ var NotificationsBox = class {
         for (let [source, obj] of items) {
             this._removeSource(source, obj);
         }
-
-        this.actor.destroy();
     }
 
     _updateVisibility() {
         this._notificationBox.visible =
             this._notificationBox.get_children().some(a => a.visible);
 
-        this.actor.visible = this._notificationBox.visible;
+        this.visible = this._notificationBox.visible;
     }
 
     _makeNotificationCountText(count, isChat) {
@@ -173,8 +180,9 @@ var NotificationsBox = class {
 
             let body = '';
             if (n.bannerBodyText) {
-                body = n.bannerBodyMarkup ? n.bannerBodyText
-                                          : GLib.markup_escape_text(n.bannerBodyText, -1);
+                body = n.bannerBodyMarkup
+                    ? n.bannerBodyText
+                    : GLib.markup_escape_text(n.bannerBodyText, -1);
             }
 
             let label = new St.Label({ style_class: 'screen-shield-notification-count-text' });
@@ -221,14 +229,14 @@ var NotificationsBox = class {
         this._showSource(source, obj, obj.sourceBox);
         this._notificationBox.add(obj.sourceBox, { x_fill: false, x_align: St.Align.START });
 
-        obj.sourceCountChangedId = source.connect('count-updated', source => {
+        obj.sourceCountChangedId = source.connect('notify::count', source => {
             this._countChanged(source, obj);
         });
-        obj.sourceTitleChangedId = source.connect('title-changed', source => {
+        obj.sourceTitleChangedId = source.connect('notify::title', source => {
             this._titleChanged(source, obj);
         });
-        obj.policyChangedId = source.policy.connect('policy-changed', (policy, key) => {
-            if (key == 'show-in-lock-screen')
+        obj.policyChangedId = source.policy.connect('notify', (policy, pspec) => {
+            if (pspec.name == 'show-in-lock-screen')
                 this._visibleChanged(source, obj);
             else
                 this._detailedChanged(source, obj);
@@ -335,8 +343,7 @@ var NotificationsBox = class {
 
         this._sources.delete(source);
     }
-};
-Signals.addSignalMethods(NotificationsBox.prototype);
+});
 
 var Arrow = GObject.registerClass(
 class ScreenShieldArrow extends St.Bin {
@@ -485,7 +492,7 @@ var ScreenShield = class {
         this._lockDialogGroup = new St.Widget({ x_expand: true,
                                                 y_expand: true,
                                                 reactive: true,
-                                                pivot_point: new Clutter.Point({ x: 0.5, y: 0.5 }),
+                                                pivot_point: new Graphene.Point({ x: 0.5, y: 0.5 }),
                                                 name: 'lockDialogGroup' });
 
         this.actor.add_actor(this._lockDialogGroup);
@@ -556,11 +563,11 @@ var ScreenShield = class {
         this._longLightbox = new Lightbox.Lightbox(Main.uiGroup,
                                                    { inhibitEvents: true,
                                                      fadeFactor: 1 });
-        this._longLightbox.connect('shown', this._onLongLightboxShown.bind(this));
+        this._longLightbox.connect('notify::active', this._onLongLightbox.bind(this));
         this._shortLightbox = new Lightbox.Lightbox(Main.uiGroup,
                                                     { inhibitEvents: true,
                                                       fadeFactor: 1 });
-        this._shortLightbox.connect('shown', this._onShortLightboxShown.bind(this));
+        this._shortLightbox.connect('notify::active', this._onShortLightbox.bind(this));
 
         this.idleMonitor = Meta.IdleMonitor.get_core();
         this._cursorTracker = Meta.CursorTracker.get_for_display(global.display);
@@ -806,7 +813,7 @@ var ScreenShield = class {
 
         this._maybeCancelDialog();
 
-        if (this._longLightbox.actor.visible) {
+        if (this._longLightbox.visible) {
             // We're in the process of showing.
             return;
         }
@@ -831,7 +838,7 @@ var ScreenShield = class {
 
         if (shouldLock) {
             let lockTimeout = Math.max(
-                STANDARD_FADE_TIME,
+                adjustAnimationTime(STANDARD_FADE_TIME),
                 this._settings.get_uint(LOCK_DELAY_KEY) * 1000);
             this._lockTimeoutId = GLib.timeout_add(
                 GLib.PRIORITY_DEFAULT,
@@ -848,8 +855,8 @@ var ScreenShield = class {
     }
 
     _activateFade(lightbox, time) {
-        Main.uiGroup.set_child_above_sibling(lightbox.actor, null);
-        lightbox.show(time);
+        Main.uiGroup.set_child_above_sibling(lightbox, null);
+        lightbox.lightOn(time);
 
         if (this._becameActiveId == 0)
             this._becameActiveId = this.idleMonitor.add_user_active_watch(this._onUserBecameActive.bind(this));
@@ -878,19 +885,21 @@ var ScreenShield = class {
         this._becameActiveId = 0;
 
         if (this._isActive || this._isLocked) {
-            this._longLightbox.hide();
-            this._shortLightbox.hide();
+            this._longLightbox.lightOff();
+            this._shortLightbox.lightOff();
         } else {
             this.deactivate(false);
         }
     }
 
-    _onLongLightboxShown() {
-        this.activate(false);
+    _onLongLightbox(lightBox) {
+        if (lightBox.active)
+            this.activate(false);
     }
 
-    _onShortLightboxShown() {
-        this._completeLockScreenShown();
+    _onShortLightbox(lightBox) {
+        if (lightBox.active)
+            this._completeLockScreenShown();
     }
 
     showDialog() {
@@ -915,8 +924,8 @@ var ScreenShield = class {
         this._lockScreenGroup.hide();
 
         if (this._dialog) {
-            this._dialog.actor.grab_key_focus();
-            this._dialog.actor.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
+            this._dialog.grab_key_focus();
+            this._dialog.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
         }
     }
 
@@ -964,7 +973,6 @@ var ScreenShield = class {
 
             this._dialog = new constructor(this._lockDialogGroup);
 
-
             let time = global.get_current_time();
             if (!this._dialog.open(time, onPrimary)) {
                 // This is kind of an impossible error: we're already modal
@@ -1130,16 +1138,20 @@ var ScreenShield = class {
                                                          vertical: true,
                                                          style_class: 'screen-shield-contents-box' });
         this._clock = new Clock();
-        this._lockScreenContentsBox.add(this._clock.actor, { x_fill: true,
-                                                             y_fill: true });
+        this._lockScreenContentsBox.add(this._clock, {
+            x_fill: true,
+            y_fill: true
+        });
 
         this._lockScreenContents.add_actor(this._lockScreenContentsBox);
 
         this._notificationsBox = new NotificationsBox();
         this._wakeUpScreenId = this._notificationsBox.connect('wake-up-screen', this._wakeUpScreen.bind(this));
-        this._lockScreenContentsBox.add(this._notificationsBox.actor, { x_fill: true,
-                                                                        y_fill: true,
-                                                                        expand: true });
+        this._lockScreenContentsBox.add(this._notificationsBox, {
+            x_fill: true,
+            y_fill: true,
+            expand: true
+        });
 
         this._hasLockScreen = true;
     }
@@ -1232,8 +1244,8 @@ var ScreenShield = class {
             this._dialog = null;
         }
 
-        this._longLightbox.hide();
-        this._shortLightbox.hide();
+        this._longLightbox.lightOff();
+        this._shortLightbox.lightOff();
         this.actor.hide();
 
         if (this._becameActiveId != 0) {

js/ui/screenshot.js

@@ -1,8 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported ScreenshotService */
 
-const { Clutter, Gio, GLib, Meta, Shell, St } = imports.gi;
-const Signals = imports.signals;
+const { Clutter, Graphene, Gio, GObject, GLib, Meta, Shell, St } = imports.gi;
 
 const GrabHelper = imports.ui.grabHelper;
 const Lightbox = imports.ui.lightbox;
@@ -116,8 +115,8 @@ var ScreenshotService = class {
                 try {
                     let [result, area, filenameUsed] =
                         screenshot.screenshot_area_finish(res);
-                    this._onScreenshotComplete(result, area, filenameUsed,
-                                               flash, invocation);
+                    this._onScreenshotComplete(
+                        result, area, filenameUsed, flash, invocation);
                 } catch (e) {
                     invocation.return_gerror (e);
                 }
@@ -134,8 +133,8 @@ var ScreenshotService = class {
                 try {
                     let [result, area, filenameUsed] =
                         screenshot.screenshot_window_finish(res);
-                    this._onScreenshotComplete(result, area, filenameUsed,
-                                               flash, invocation);
+                    this._onScreenshotComplete(
+                        result, area, filenameUsed, flash, invocation);
                 } catch (e) {
                     invocation.return_gerror (e);
                 }
@@ -152,8 +151,8 @@ var ScreenshotService = class {
                 try {
                     let [result, area, filenameUsed] =
                         screenshot.screenshot_finish(res);
-                    this._onScreenshotComplete(result, area, filenameUsed,
-                                               flash, invocation);
+                    this._onScreenshotComplete(
+                        result, area, filenameUsed, flash, invocation);
                 } catch (e) {
                     invocation.return_gerror (e);
                 }
@@ -198,7 +197,7 @@ var ScreenshotService = class {
                 let screenshot = this._createScreenshot(invocation, false);
                 if (!screenshot)
                     return;
-                screenshot.pick_color(...coords, (o, res) => {
+                screenshot.pick_color(coords.x, coords.y, (_o, res) => {
                     let [success_, color] = screenshot.pick_color_finish(res);
                     let { red, green, blue } = color;
                     let retval = GLib.Variant.new('(a{sv})', [{
@@ -219,62 +218,62 @@ var ScreenshotService = class {
     }
 };
 
-var SelectArea = class {
-    constructor() {
+var SelectArea = GObject.registerClass({
+    GTypeName: 'Screenshot_SelectArea',
+    Signals: { 'finished': { param_types: [Meta.Rectangle.$gtype] } }
+}, class SelectArea extends St.Widget {
+    _init() {
         this._startX = -1;
         this._startY = -1;
         this._lastX = 0;
         this._lastY = 0;
         this._result = null;
 
-        this._group = new St.Widget({ visible: false,
-                                      reactive: true,
-                                      x: 0,
-                                      y: 0 });
-        Main.uiGroup.add_actor(this._group);
+        super._init({
+            visible: false,
+            reactive: true,
+            x: 0,
+            y: 0
+        });
+        Main.uiGroup.add_actor(this);
 
-        this._grabHelper = new GrabHelper.GrabHelper(this._group);
-
-        this._group.connect('button-press-event',
-                            this._onButtonPress.bind(this));
-        this._group.connect('button-release-event',
-                            this._onButtonRelease.bind(this));
-        this._group.connect('motion-event',
-                            this._onMotionEvent.bind(this));
+        this._grabHelper = new GrabHelper.GrabHelper(this);
 
         let constraint = new Clutter.BindConstraint({ source: global.stage,
                                                       coordinate: Clutter.BindCoordinate.ALL });
-        this._group.add_constraint(constraint);
+        this.add_constraint(constraint);
 
         this._rubberband = new St.Widget({
             style_class: 'select-area-rubberband',
             visible: false
         });
-        this._group.add_actor(this._rubberband);
+        this.add_actor(this._rubberband);
     }
 
-    show() {
-        if (!this._grabHelper.grab({ actor: this._group,
+    vfunc_show() {
+        if (!this._grabHelper.grab({ actor: this,
                                      onUngrab: this._onUngrab.bind(this) }))
             return;
 
         global.display.set_cursor(Meta.Cursor.CROSSHAIR);
-        Main.uiGroup.set_child_above_sibling(this._group, null);
-        this._group.visible = true;
+        Main.uiGroup.set_child_above_sibling(this, null);
+        super.vfunc_show();
     }
 
     _getGeometry() {
-        return { x: Math.min(this._startX, this._lastX),
-                 y: Math.min(this._startY, this._lastY),
-                 width: Math.abs(this._startX - this._lastX) + 1,
-                 height: Math.abs(this._startY - this._lastY) + 1 };
+        return new Meta.Rectangle({
+            x: Math.min(this._startX, this._lastX),
+            y: Math.min(this._startY, this._lastY),
+            width: Math.abs(this._startX - this._lastX) + 1,
+            height: Math.abs(this._startY - this._lastY) + 1
+        });
     }
 
-    _onMotionEvent(actor, event) {
+    vfunc_motion_event(motionEvent) {
         if (this._startX == -1 || this._startY == -1 || this._result)
             return Clutter.EVENT_PROPAGATE;
 
-        [this._lastX, this._lastY] = event.get_coords();
+        [this._lastX, this._lastY] = [motionEvent.x, motionEvent.y];
         this._lastX = Math.floor(this._lastX);
         this._lastY = Math.floor(this._lastY);
         let geometry = this._getGeometry();
@@ -286,8 +285,8 @@ var SelectArea = class {
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onButtonPress(actor, event) {
-        [this._startX, this._startY] = event.get_coords();
+    vfunc_button_press_event(buttonEvent) {
+        [this._startX, this._startY] = [buttonEvent.x, buttonEvent.y];
         this._startX = Math.floor(this._startX);
         this._startY = Math.floor(this._startY);
         this._rubberband.set_position(this._startX, this._startY);
@@ -295,9 +294,9 @@ var SelectArea = class {
         return Clutter.EVENT_PROPAGATE;
     }
 
-    _onButtonRelease() {
+    vfunc_button_release_event() {
         this._result = this._getGeometry();
-        this._group.ease({
+        this.ease({
             opacity: 0,
             duration: 200,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
@@ -311,43 +310,43 @@ var SelectArea = class {
         this.emit('finished', this._result);
 
         GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
-            this._group.destroy();
+            this.destroy();
             return GLib.SOURCE_REMOVE;
         });
     }
-};
-Signals.addSignalMethods(SelectArea.prototype);
+});
+
+var PickPixel = GObject.registerClass({
+    GTypeName: 'Screenshot_PickPixel',
+    Signals: { 'finished': { param_types: [Graphene.Point.$gtype] } }
+}, class PickPixel extends St.Widget {
+    _init() {
+        super._init({ visible: false, reactive: true });
 
-var PickPixel = class {
-    constructor() {
         this._result = null;
 
-        this._group = new St.Widget({ visible: false,
-                                      reactive: true });
-        Main.uiGroup.add_actor(this._group);
+        Main.uiGroup.add_actor(this);
 
-        this._grabHelper = new GrabHelper.GrabHelper(this._group);
-
-        this._group.connect('button-release-event',
-                            this._onButtonRelease.bind(this));
+        this._grabHelper = new GrabHelper.GrabHelper(this);
 
         let constraint = new Clutter.BindConstraint({ source: global.stage,
                                                       coordinate: Clutter.BindCoordinate.ALL });
-        this._group.add_constraint(constraint);
+        this.add_constraint(constraint);
     }
 
-    show() {
-        if (!this._grabHelper.grab({ actor: this._group,
+    vfunc_show() {
+        if (!this._grabHelper.grab({ actor: this,
                                      onUngrab: this._onUngrab.bind(this) }))
             return;
 
         global.display.set_cursor(Meta.Cursor.CROSSHAIR);
-        Main.uiGroup.set_child_above_sibling(this._group, null);
-        this._group.visible = true;
+        Main.uiGroup.set_child_above_sibling(this, null);
+        super.vfunc_show();
     }
 
-    _onButtonRelease(actor, event) {
-        this._result = event.get_coords();
+    vfunc_button_release_event(buttonEvent) {
+        let { x, y } = buttonEvent;
+        this._result = new Graphene.Point({ x, y });
         this._grabHelper.ungrab();
         return Clutter.EVENT_PROPAGATE;
     }
@@ -357,29 +356,29 @@ var PickPixel = class {
         this.emit('finished', this._result);
 
         GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
-            this._group.destroy();
+            this.destroy();
             return GLib.SOURCE_REMOVE;
         });
     }
-};
-Signals.addSignalMethods(PickPixel.prototype);
+});
 
 var FLASHSPOT_ANIMATION_OUT_TIME = 500; // milliseconds
 
-var Flashspot = class extends Lightbox.Lightbox {
-    constructor(area) {
-        super(Main.uiGroup, { inhibitEvents: true,
-                              width: area.width,
-                              height: area.height });
-
-        this.actor.style_class = 'flashspot';
-        this.actor.set_position(area.x, area.y);
+var Flashspot = GObject.registerClass(
+class Flashspot extends Lightbox.Lightbox {
+    _init(area) {
+        super._init(Main.uiGroup, {
+            inhibitEvents: true,
+            width: area.width,
+            height: area.height
+        });
+        this.style_class = 'flashspot';
+        this.set_position(area.x, area.y);
     }
 
     fire(doneCallback) {
-        this.actor.show();
-        this.actor.opacity = 255;
-        this.actor.ease({
+        this.set({ visible: true, opacity: 255 });
+        this.ease({
             opacity: 0,
             duration: FLASHSPOT_ANIMATION_OUT_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
@@ -390,4 +389,4 @@ var Flashspot = class extends Lightbox.Lightbox {
             }
         });
     }
-};
+});

js/ui/scripting.js

@@ -317,7 +317,7 @@ async function runPerfScript(scriptModule, outputFile) {
 
     for (let step of scriptModule.run()) {
         try {
-            await step;
+            await step; // eslint-disable-line no-await-in-loop
         } catch (err) {
             log(`Script failed: ${err}\n${err.stack}`);
             Meta.exit(Meta.ExitCode.ERROR);

js/ui/search.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported SearchResultsView */
 
 const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
-const Signals = imports.signals;
 
 const AppDisplay = imports.ui.appDisplay;
 const IconGrid = imports.ui.iconGrid;
@@ -32,39 +32,47 @@ class MaxWidthBox extends St.BoxLayout {
     }
 });
 
-var SearchResult = class {
-    constructor(provider, metaInfo, resultsView) {
+var SearchResult = GObject.registerClass(
+class SearchResult extends St.Button {
+    _init(provider, metaInfo, resultsView) {
         this.provider = provider;
         this.metaInfo = metaInfo;
         this._resultsView = resultsView;
 
-        this.actor = new St.Button({ reactive: true,
-                                     can_focus: true,
-                                     track_hover: true,
-                                     x_align: St.Align.START,
-                                     y_fill: true });
+        super._init({
+            reactive: true,
+            can_focus: true,
+            track_hover: true,
+            x_align: St.Align.START,
+            y_fill: true
+        });
+    }
 
-        this.actor._delegate = this;
-        this.actor.connect('clicked', this.activate.bind(this));
+    vfunc_clicked() {
+        this.activate();
     }
 
     activate() {
-        this.emit('activate', this.metaInfo.id);
+        this.provider.activateResult(this.metaInfo.id, this._resultsView.terms);
+
+        if (this.metaInfo.clipboardText)
+            St.Clipboard.get_default().set_text(
+                St.ClipboardType.CLIPBOARD, this.metaInfo.clipboardText);
+        Main.overview.toggle();
     }
-};
-Signals.addSignalMethods(SearchResult.prototype);
+});
 
-var ListSearchResult = class extends SearchResult {
+var ListSearchResult = GObject.registerClass(
+class ListSearchResult extends SearchResult {
+    _init(provider, metaInfo, resultsView) {
+        super._init(provider, metaInfo, resultsView);
 
-    constructor(provider, metaInfo, resultsView) {
-        super(provider, metaInfo, resultsView);
-
-        this.actor.style_class = 'list-search-result';
-        this.actor.x_fill = true;
+        this.style_class = 'list-search-result';
+        this.x_fill = true;
 
         let content = new St.BoxLayout({ style_class: 'list-search-result-content',
                                          vertical: false });
-        this.actor.set_child(content);
+        this.set_child(content);
 
         this._termsChangedId = 0;
 
@@ -87,7 +95,7 @@ var ListSearchResult = class extends SearchResult {
                               x_align: St.Align.START,
                               y_align: St.Align.MIDDLE });
 
-        this.actor.label_actor = title;
+        this.label_actor = title;
 
         if (this.metaInfo['description']) {
             this._descriptionLabel = new St.Label({ style_class: 'list-search-result-description' });
@@ -103,7 +111,7 @@ var ListSearchResult = class extends SearchResult {
             this._highlightTerms();
         }
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
     get ICON_SIZE() {
@@ -120,50 +128,53 @@ var ListSearchResult = class extends SearchResult {
             this._resultsView.disconnect(this._termsChangedId);
         this._termsChangedId = 0;
     }
-};
+});
 
-var GridSearchResult = class extends SearchResult {
-    constructor(provider, metaInfo, resultsView) {
-        super(provider, metaInfo, resultsView);
+var GridSearchResult = GObject.registerClass(
+class GridSearchResult extends SearchResult {
+    _init(provider, metaInfo, resultsView) {
+        super._init(provider, metaInfo, resultsView);
 
-        this.actor.style_class = 'grid-search-result';
+        this.style_class = 'grid-search-result';
 
         this.icon = new IconGrid.BaseIcon(this.metaInfo['name'],
                                           { createIcon: this.metaInfo['createIcon'] });
         let content = new St.Bin({ child: this.icon });
-        this.actor.set_child(content);
-        this.actor.label_actor = this.icon.label;
+        this.set_child(content);
+        this.label_actor = this.icon.label;
     }
-};
+});
+
+var SearchResultsBase = GObject.registerClass({
+    GTypeFlags: GObject.TypeFlags.ABSTRACT,
+    Properties: {
+        'focus-child': GObject.ParamSpec.object(
+            'focus-child', 'focus-child', 'focus-child',
+            GObject.ParamFlags.READABLE,
+            Clutter.Actor.$gtype),
+    }
+}, class SearchResultsBase extends St.BoxLayout {
+    _init(provider, resultsView) {
+        super._init({ style_class: 'search-section', vertical: true });
 
-var SearchResultsBase = class {
-    constructor(provider, resultsView) {
         this.provider = provider;
         this._resultsView = resultsView;
 
         this._terms = [];
-
-        this.actor = new St.BoxLayout({ style_class: 'search-section',
-                                        vertical: true });
+        this._focusChild = null;
 
         this._resultDisplayBin = new St.Bin({ x_fill: true,
                                               y_fill: true });
-        this.actor.add(this._resultDisplayBin, { expand: true });
+        this.add(this._resultDisplayBin, { expand: true });
 
         let separator = new St.Widget({ style_class: 'search-section-separator' });
-        this.actor.add(separator);
+        this.add(separator);
 
         this._resultDisplays = {};
 
-        this._clipboard = St.Clipboard.get_default();
-
         this._cancellable = new Gio.Cancellable();
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-    }
-
-    destroy() {
-        this.actor.destroy();
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
     _onDestroy() {
@@ -180,21 +191,21 @@ var SearchResultsBase = class {
     clear() {
         this._cancellable.cancel();
         for (let resultId in this._resultDisplays)
-            this._resultDisplays[resultId].actor.destroy();
+            this._resultDisplays[resultId].destroy();
         this._resultDisplays = {};
         this._clearResultDisplay();
-        this.actor.hide();
+        this.hide();
+    }
+
+    get focusChild() {
+        return this._focusChild;
     }
 
     _keyFocusIn(actor) {
-        this.emit('key-focus-in', actor);
-    }
-
-    _activateResult(result, id) {
-        this.provider.activateResult(id, this._terms);
-        if (result.metaInfo.clipboardText)
-            this._clipboard.set_text(St.ClipboardType.CLIPBOARD, result.metaInfo.clipboardText);
-        Main.overview.toggle();
+        if (this._focusChild == actor)
+            return;
+        this._focusChild = actor;
+        this.notify('focus-child');
     }
 
     _setMoreCount(_count) {
@@ -233,8 +244,7 @@ var SearchResultsBase = class {
                 metasNeeded.forEach((resultId, i) => {
                     let meta = metas[i];
                     let display = this._createResultDisplay(meta);
-                    display.connect('activate', this._activateResult.bind(this));
-                    display.actor.connect('key-focus-in', this._keyFocusIn.bind(this));
+                    display.connect('key-focus-in', this._keyFocusIn.bind(this));
                     this._resultDisplays[resultId] = display;
                 });
                 callback(true);
@@ -246,7 +256,7 @@ var SearchResultsBase = class {
         this._terms = terms;
         if (providerResults.length == 0) {
             this._clearResultDisplay();
-            this.actor.hide();
+            this.hide();
             callback();
         } else {
             let maxResults = this._getMaxDisplayedResults();
@@ -265,22 +275,23 @@ var SearchResultsBase = class {
                 // To avoid CSS transitions causing flickering when
                 // the first search result stays the same, we hide the
                 // content while filling in the results.
-                this.actor.hide();
+                this.hide();
                 this._clearResultDisplay();
                 results.forEach(resultId => {
                     this._addItem(this._resultDisplays[resultId]);
                 });
                 this._setMoreCount(this.provider.canLaunchSearch ? moreCount : 0);
-                this.actor.show();
+                this.show();
                 callback();
             });
         }
     }
-};
+});
 
-var ListSearchResults = class extends SearchResultsBase {
-    constructor(provider, resultsView) {
-        super(provider, resultsView);
+var ListSearchResults = GObject.registerClass(
+class ListSearchResults extends SearchResultsBase {
+    _init(provider, resultsView) {
+        super._init(provider, resultsView);
 
         this._container = new St.BoxLayout({ style_class: 'search-section-content' });
         this.providerInfo = new ProviderInfo(provider);
@@ -321,21 +332,21 @@ var ListSearchResults = class extends SearchResultsBase {
     }
 
     _addItem(display) {
-        this._content.add_actor(display.actor);
+        this._content.add_actor(display);
     }
 
     getFirstResult() {
         if (this._content.get_n_children() > 0)
-            return this._content.get_child_at_index(0)._delegate;
+            return this._content.get_child_at_index(0);
         else
             return null;
     }
-};
-Signals.addSignalMethods(ListSearchResults.prototype);
+});
 
-var GridSearchResults = class extends SearchResultsBase {
-    constructor(provider, resultsView) {
-        super(provider, resultsView);
+var GridSearchResults = GObject.registerClass(
+class GridSearchResults extends SearchResultsBase {
+    _init(provider, resultsView) {
+        super._init(provider, resultsView);
 
         this._grid = new IconGrid.IconGrid({ rowLimit: MAX_GRID_SEARCH_RESULTS_ROWS,
                                              xAlign: St.Align.START });
@@ -357,7 +368,7 @@ var GridSearchResults = class extends SearchResultsBase {
 
     updateSearch(...args) {
         if (this._notifyAllocationId)
-            this.actor.disconnect(this._notifyAllocationId);
+            this.disconnect(this._notifyAllocationId);
         if (this._updateSearchLater) {
             Meta.later_remove(this._updateSearchLater);
             delete this._updateSearchLater;
@@ -365,7 +376,7 @@ var GridSearchResults = class extends SearchResultsBase {
 
         // Make sure the maximum number of results calculated by
         // _getMaxDisplayedResults() is updated after width changes.
-        this._notifyAllocationId = this.actor.connect('notify::allocation', () => {
+        this._notifyAllocationId = this.connect('notify::allocation', () => {
             if (this._updateSearchLater)
                 return;
             this._updateSearchLater = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
@@ -379,7 +390,7 @@ var GridSearchResults = class extends SearchResultsBase {
     }
 
     _getMaxDisplayedResults() {
-        let width = this.actor.allocation.x2 - this.actor.allocation.x1;
+        let width = this.allocation.get_width();
         if (width == 0)
             return -1;
 
@@ -402,17 +413,17 @@ var GridSearchResults = class extends SearchResultsBase {
 
     getFirstResult() {
         if (this._grid.visibleItemsCount() > 0)
-            return this._grid.getItemAtIndex(0)._delegate;
+            return this._grid.getItemAtIndex(0);
         else
             return null;
     }
-};
-Signals.addSignalMethods(GridSearchResults.prototype);
+});
 
-var SearchResults = class {
-    constructor() {
-        this.actor = new St.BoxLayout({ name: 'searchResults',
-                                        vertical: true });
+var SearchResultsView = GObject.registerClass({
+    Signals: { 'terms-changed': {} }
+}, class SearchResultsView extends St.BoxLayout {
+    _init() {
+        super._init({ name: 'searchResults', vertical: true });
 
         this._content = new MaxWidthBox({ name: 'searchResultsContent',
                                           vertical: true });
@@ -428,16 +439,18 @@ var SearchResults = class {
         action.connect('pan', this._onPan.bind(this));
         this._scrollView.add_action(action);
 
-        this.actor.add(this._scrollView, { x_fill: true,
-                                           y_fill: true,
-                                           expand: true,
-                                           x_align: St.Align.START,
-                                           y_align: St.Align.START });
+        this.add(this._scrollView, {
+            x_fill: true,
+            y_fill: true,
+            expand: true,
+            x_align: St.Align.START,
+            y_align: St.Align.STAR
+        });
 
         this._statusText = new St.Label({ style_class: 'search-statustext' });
         this._statusBin = new St.Bin({ x_align: St.Align.MIDDLE,
                                        y_align: St.Align.MIDDLE });
-        this.actor.add(this._statusBin, { expand: true });
+        this.add(this._statusBin, { expand: true });
         this._statusBin.add_actor(this._statusText);
 
         this._highlightDefault = false;
@@ -467,6 +480,10 @@ var SearchResults = class {
         this._reloadRemoteProviders();
     }
 
+    get terms() {
+        return this._terms;
+    }
+
     _reloadRemoteProviders() {
         let remoteProviders = this._providers.filter(p => p.isRemoteProvider);
         remoteProviders.forEach(provider => {
@@ -591,12 +608,12 @@ var SearchResults = class {
     _onPan(action) {
         let [dist_, dx_, dy] = action.get_motion_delta(0);
         let adjustment = this._scrollView.vscroll.adjustment;
-        adjustment.value -= (dy / this.actor.height) * adjustment.page_size;
+        adjustment.value -= (dy / this.height) * adjustment.page_size;
         return false;
     }
 
-    _keyFocusIn(provider, actor) {
-        Util.ensureActorVisibleInScrollView(this._scrollView, actor);
+    _focusChildChanged(provider) {
+        Util.ensureActorVisibleInScrollView(this._scrollView, provider.focusChild);
     }
 
     _ensureProviderDisplay(provider) {
@@ -609,9 +626,9 @@ var SearchResults = class {
         else
             providerDisplay = new GridSearchResults(provider, this);
 
-        providerDisplay.connect('key-focus-in', this._keyFocusIn.bind(this));
-        providerDisplay.actor.hide();
-        this._content.add(providerDisplay.actor);
+        providerDisplay.connect('notify::focus-child', this._focusChildChanged.bind(this));
+        providerDisplay.hide();
+        this._content.add(providerDisplay);
         provider.display = providerDisplay;
     }
 
@@ -629,7 +646,7 @@ var SearchResults = class {
             let provider = providers[i];
             let display = provider.display;
 
-            if (!display.actor.visible)
+            if (!display.visible)
                 continue;
 
             let firstResult = display.getFirstResult();
@@ -704,21 +721,22 @@ var SearchResults = class {
             this._doSearch();
 
         if (this._defaultResult)
-            this._defaultResult.actor.popup_menu();
+            this._defaultResult.popup_menu();
     }
 
     navigateFocus(direction) {
-        let rtl = this.actor.get_text_direction() == Clutter.TextDirection.RTL;
+        let rtl = this.get_text_direction() == Clutter.TextDirection.RTL;
         if (direction == St.DirectionType.TAB_BACKWARD ||
-            direction == (rtl ? St.DirectionType.RIGHT
-                              : St.DirectionType.LEFT) ||
+            direction == (rtl
+                ? St.DirectionType.RIGHT
+                : St.DirectionType.LEFT) ||
             direction == St.DirectionType.UP) {
-            this.actor.navigate_focus(null, direction, false);
+            this.navigate_focus(null, direction, false);
             return;
         }
 
-        let from = this._defaultResult ? this._defaultResult.actor : null;
-        this.actor.navigate_focus(from, direction, false);
+        let from = this._defaultResult ? this._defaultResult : null;
+        this.navigate_focus(from, direction, false);
     }
 
     _setSelected(result, selected) {
@@ -726,10 +744,10 @@ var SearchResults = class {
             return;
 
         if (selected) {
-            result.actor.add_style_pseudo_class('selected');
-            Util.ensureActorVisibleInScrollView(this._scrollView, result.actor);
+            result.add_style_pseudo_class('selected');
+            Util.ensureActorVisibleInScrollView(this._scrollView, result);
         } else {
-            result.actor.remove_style_pseudo_class('selected');
+            result.remove_style_pseudo_class('selected');
         }
     }
 
@@ -742,8 +760,7 @@ var SearchResults = class {
 
         return description.replace(this._highlightRegex, '<b>$1</b>');
     }
-};
-Signals.addSignalMethods(SearchResults.prototype);
+});
 
 var ProviderInfo = GObject.registerClass(
 class ProviderInfo extends St.Button {

js/ui/sessionMode.js

@@ -92,11 +92,11 @@ const _modes = {
         isLocked: false,
         isPrimary: true,
         unlockDialog: imports.ui.unlockDialog.UnlockDialog,
-        components: Config.HAVE_NETWORKMANAGER ?
-                    ['networkAgent', 'polkitAgent', 'telepathyClient',
-                     'keyring', 'autorunManager', 'automountManager'] :
-                    ['polkitAgent', 'telepathyClient',
-                     'keyring', 'autorunManager', 'automountManager'],
+        components: Config.HAVE_NETWORKMANAGER
+            ? ['networkAgent', 'polkitAgent', 'telepathyClient',
+               'keyring', 'autorunManager', 'automountManager']
+            : ['polkitAgent', 'telepathyClient',
+               'keyring', 'autorunManager', 'automountManager'],
 
         panel: {
             left: ['activities', 'appMenu'],

js/ui/shellDBus.js

@@ -151,9 +151,13 @@ var GnomeShell = class {
         let connection = this._dbusImpl.get_connection();
         let info = this._dbusImpl.get_info();
         let params = { 'device-id': GLib.Variant.new('u', device.get_device_id()),
-                       'device-node': GLib.Variant.new('s', device.get_device_node()),
                        'timestamp': GLib.Variant.new('u', timestamp),
                        'action-mode': GLib.Variant.new('u', Main.actionMode) };
+
+        let deviceNode = device.get_device_node();
+        if (deviceNode)
+            params['device-node'] = GLib.Variant.new('s', deviceNode);
+
         connection.emit_signal(destination,
                                this._dbusImpl.get_object_path(),
                                info ? info.name : null,

js/ui/shellMountOperation.js

@@ -2,7 +2,6 @@
 /* exported ShellMountOperation, GnomeShellMountOpHandler */
 
 const { Clutter, Gio, GLib, GObject, Pango, Shell, St } = imports.gi;
-const Signals = imports.signals;
 
 const Animation = imports.ui.animation;
 const CheckBox = imports.ui.checkBox;
@@ -44,18 +43,22 @@ function _setLabelsForMessage(content, message) {
 
 /* -------------------------------------------------------- */
 
-var ListItem = class {
-    constructor(app) {
-        this._app = app;
-
+var ListItem = GObject.registerClass({
+    GTypeName: 'ShellMountOperation_ListItem',
+    Signals: { 'activate': {} }
+}, class ListItem extends St.Button {
+    _init(app) {
         let layout = new St.BoxLayout({ vertical: false });
+        super._init({
+            style_class: 'mount-dialog-app-list-item',
+            can_focus: true,
+            child: layout,
+            reactive: true,
+            x_align: St.Align.START,
+            x_fill: true
+        });
 
-        this.actor = new St.Button({ style_class: 'mount-dialog-app-list-item',
-                                     can_focus: true,
-                                     child: layout,
-                                     reactive: true,
-                                     x_align: St.Align.START,
-                                     x_fill: true });
+        this._app = app;
 
         this._icon = this._app.create_icon_texture(LIST_ITEM_ICON_SIZE);
 
@@ -68,16 +71,13 @@ var ListItem = class {
         let labelBin = new St.Bin({ y_align: St.Align.MIDDLE,
                                     child: this._nameLabel });
         layout.add(labelBin);
-
-        this.actor.connect('clicked', this._onClicked.bind(this));
     }
 
-    _onClicked() {
+    vfunc_clicked() {
         this.emit('activate');
         this._app.activate();
     }
-};
-Signals.addSignalMethods(ListItem.prototype);
+});
 
 var ShellMountOperation = class {
     constructor(source, params) {
@@ -202,7 +202,7 @@ var ShellMountOperation = class {
     _onShowUnmountProgress(op, message, timeLeft, bytesLeft) {
         if (!this._notifier)
             this._notifier = new ShellUnmountNotifier();
-            
+
         if (bytesLeft == 0)
             this._notifier.done(message);
         else
@@ -219,9 +219,10 @@ var ShellMountOperation = class {
     }
 };
 
-var ShellUnmountNotifier = class extends MessageTray.Source {
-    constructor() {
-        super('', 'media-removable');
+var ShellUnmountNotifier = GObject.registerClass(
+class ShellUnmountNotifier extends MessageTray.Source {
+    _init() {
+        super._init('', 'media-removable');
 
         this._notification = null;
         Main.messageTray.add(this);
@@ -238,7 +239,7 @@ var ShellUnmountNotifier = class extends MessageTray.Source {
             this._notification.update(header, text);
         }
 
-        this.notify(this._notification);
+        this.showNotification(this._notification);
     }
 
     done(message) {
@@ -251,10 +252,10 @@ var ShellUnmountNotifier = class extends MessageTray.Source {
             let notification = new MessageTray.Notification(this, message, null);
             notification.setTransient(true);
 
-            this.notify(notification);
+            this.showNotification(notification);
         }
     }
-};
+});
 
 var ShellMountQuestionDialog = GObject.registerClass({
     Signals: { 'response': { param_types: [GObject.TYPE_INT] } }
@@ -303,14 +304,14 @@ var ShellMountPasswordDialog = GObject.registerClass({
                                                   visible: false }));
 
             this._hiddenVolume = new CheckBox.CheckBox(_("Hidden Volume"));
-            content.messageBox.add(this._hiddenVolume.actor);
+            content.messageBox.add(this._hiddenVolume);
 
             this._systemVolume = new CheckBox.CheckBox(_("Windows System Volume"));
-            content.messageBox.add(this._systemVolume.actor);
+            content.messageBox.add(this._systemVolume);
 
             this._keyfilesCheckbox = new CheckBox.CheckBox(_("Uses Keyfiles"));
-            this._keyfilesCheckbox.actor.connect("clicked", this._onKeyfilesCheckboxClicked.bind(this));
-            content.messageBox.add(this._keyfilesCheckbox.actor);
+            this._keyfilesCheckbox.connect("clicked", this._onKeyfilesCheckboxClicked.bind(this));
+            content.messageBox.add(this._keyfilesCheckbox);
 
             this._keyfilesLabel.clutter_text.set_markup(
                 /* Translators: %s is the Disks application */
@@ -360,7 +361,7 @@ var ShellMountPasswordDialog = GObject.registerClass({
         ShellEntry.addContextMenu(this._passwordEntry, { isPassword: true });
         this.setInitialKeyFocus(this._passwordEntry);
         this._workSpinner = new Animation.Spinner(WORK_SPINNER_ICON_SIZE, true);
-        this._passwordEntry.secondary_icon = this._workSpinner.actor;
+        this._passwordEntry.secondary_icon = this._workSpinner;
 
         if (rtl) {
             layout.attach(this._passwordEntry, 0, 1, 1, 1);
@@ -381,9 +382,9 @@ var ShellMountPasswordDialog = GObject.registerClass({
 
         if (flags & Gio.AskPasswordFlags.SAVING_SUPPORTED) {
             this._rememberChoice = new CheckBox.CheckBox(_("Remember Password"));
-            this._rememberChoice.actor.checked =
+            this._rememberChoice.checked =
                 global.settings.get_boolean(REMEMBER_MOUNT_PASSWORD_KEY);
-            content.messageBox.add(this._rememberChoice.actor);
+            content.messageBox.add(this._rememberChoice);
         } else {
             this._rememberChoice = null;
         }
@@ -439,22 +440,22 @@ var ShellMountPasswordDialog = GObject.registerClass({
         }
 
         global.settings.set_boolean(REMEMBER_MOUNT_PASSWORD_KEY,
-            this._rememberChoice && this._rememberChoice.actor.checked);
+            this._rememberChoice && this._rememberChoice.checked);
 
         this._workSpinner.play();
         this.emit('response', 1,
             this._passwordEntry.get_text(),
             this._rememberChoice &&
-            this._rememberChoice.actor.checked,
+            this._rememberChoice.checked,
             this._hiddenVolume &&
-            this._hiddenVolume.actor.checked,
+            this._hiddenVolume.checked,
             this._systemVolume &&
-            this._systemVolume.actor.checked,
+            this._systemVolume.checked,
             parseInt(pim));
     }
 
     _onKeyfilesCheckboxClicked() {
-        let useKeyfiles = this._keyfilesCheckbox.actor.checked;
+        let useKeyfiles = this._keyfilesCheckbox.checked;
         this._passwordEntry.reactive = !useKeyfiles;
         this._passwordEntry.can_focus = !useKeyfiles;
         this._passwordEntry.clutter_text.editable = !useKeyfiles;
@@ -463,8 +464,8 @@ var ShellMountPasswordDialog = GObject.registerClass({
         this._pimEntry.can_focus = !useKeyfiles;
         this._pimEntry.clutter_text.editable = !useKeyfiles;
         this._pimEntry.clutter_text.selectable = !useKeyfiles;
-        this._rememberChoice.actor.reactive = !useKeyfiles;
-        this._rememberChoice.actor.can_focus = !useKeyfiles;
+        this._rememberChoice.reactive = !useKeyfiles;
+        this._rememberChoice.can_focus = !useKeyfiles;
         this._keyfilesLabel.visible = useKeyfiles;
         this.setButtons(useKeyfiles ? this._usesKeyfilesButtons : this._defaultButtons);
     }
@@ -527,7 +528,7 @@ var ShellProcessesDialog = GObject.registerClass({
                 return;
 
             let item = new ListItem(app);
-            this._applicationList.add(item.actor, { x_fill: true });
+            this._applicationList.add(item, { x_fill: true });
 
             item.connect('activate', () => {
                 // use -1 to indicate Cancel

js/ui/slider.js

@@ -22,12 +22,7 @@ var Slider = GObject.registerClass({
             accessible_role: Atk.Role.SLIDER
         });
 
-        this.connect('button-press-event', this._startDragging.bind(this));
-        this.connect('touch-event', this._touchDragging.bind(this));
-        this.connect('scroll-event', this._onScrollEvent.bind(this));
-        this.connect('key-press-event', this.onKeyPressEvent.bind(this));
-
-        this._releaseId = this._motionId = 0;
+        this._releaseId = 0;
         this._dragging = false;
 
         this._customAccessible.connect('get-minimum-increment', this._getMinimumIncrement.bind(this));
@@ -62,8 +57,8 @@ var Slider = GObject.registerClass({
         cr.$dispose();
     }
 
-    _startDragging(actor, event) {
-        return this.startDragging(event);
+    vfunc_button_press_event() {
+        return this.startDragging(Clutter.get_current_event());
     }
 
     startDragging(event) {
@@ -83,11 +78,6 @@ var Slider = GObject.registerClass({
         this._grabbedDevice = device;
         this._grabbedSequence = sequence;
 
-        if (sequence == null) {
-            this._releaseId = this.connect('button-release-event', this._endDragging.bind(this));
-            this._motionId = this.connect('motion-event', this._motionEvent.bind(this));
-        }
-
         // We need to emit 'drag-begin' before moving the handle to make
         // sure that no 'notify::value' signal is emitted before this one.
         this.emit('drag-begin');
@@ -100,10 +90,10 @@ var Slider = GObject.registerClass({
 
     _endDragging() {
         if (this._dragging) {
-            if (this._releaseId)
+            if (this._releaseId) {
                 this.disconnect(this._releaseId);
-            if (this._motionId)
-                this.disconnect(this._motionId);
+                this._releaseId = 0;
+            }
 
             if (this._grabbedSequence != null)
                 this._grabbedDevice.sequence_ungrab(this._grabbedSequence);
@@ -119,7 +109,15 @@ var Slider = GObject.registerClass({
         return Clutter.EVENT_STOP;
     }
 
-    _touchDragging(actor, event) {
+    vfunc_button_release_event() {
+        if (this._dragging && !this._grabbedSequence)
+            return this._endDragging();
+
+        return Clutter.EVENT_PROPAGATE;
+    }
+
+    vfunc_touch_event() {
+        let event = Clutter.get_current_event();
         let device = event.get_device();
         let sequence = event.get_event_sequence();
 
@@ -127,9 +125,9 @@ var Slider = GObject.registerClass({
             event.type() == Clutter.EventType.TOUCH_BEGIN) {
             this.startDragging(event);
             return Clutter.EVENT_STOP;
-        } else if (device.sequence_get_grabbed_actor(sequence) == actor) {
+        } else if (device.sequence_get_grabbed_actor(sequence) == this) {
             if (event.type() == Clutter.EventType.TOUCH_UPDATE)
-                return this._motionEvent(actor, event);
+                return this._motionEvent(this, event);
             else if (event.type() == Clutter.EventType.TOUCH_END)
                 return this._endDragging();
         }
@@ -160,8 +158,15 @@ var Slider = GObject.registerClass({
         return Clutter.EVENT_STOP;
     }
 
-    _onScrollEvent(actor, event) {
-        return this.scroll(event);
+    vfunc_scroll_event() {
+        return this.scroll(Clutter.get_current_event());
+    }
+
+    vfunc_motion_event() {
+        if (this._dragging && !this._grabbedSequence)
+            return this._motionEvent(this, Clutter.get_current_event());
+
+        return Clutter.EVENT_PROPAGATE;
     }
 
     _motionEvent(actor, event) {
@@ -171,8 +176,8 @@ var Slider = GObject.registerClass({
         return Clutter.EVENT_STOP;
     }
 
-    onKeyPressEvent(actor, event) {
-        let key = event.get_key_symbol();
+    vfunc_key_press_event(keyPressEvent) {
+        let key = keyPressEvent.keyval;
         if (key == Clutter.KEY_Right || key == Clutter.KEY_Left) {
             let delta = key == Clutter.KEY_Right ? 0.1 : -0.1;
             this.emit('drag-begin');

js/ui/status/accessibility.js

@@ -102,7 +102,7 @@ class ATIndicator extends PanelMenu.Button {
     _buildItemExtended(string, initialValue, writable, onSet) {
         let widget = new PopupMenu.PopupSwitchMenuItem(string, initialValue);
         if (!writable)
-            widget.actor.reactive = false;
+            widget.reactive = false;
         else
             widget.connect('toggled', item => {
                 onSet(item.state);
@@ -179,8 +179,8 @@ class ATIndicator extends PanelMenu.Button {
             settings.is_writable(KEY_TEXT_SCALING_FACTOR),
             enabled => {
                 if (enabled)
-                    settings.set_double(KEY_TEXT_SCALING_FACTOR,
-                                        DPI_FACTOR_LARGE);
+                    settings.set_double(
+                        KEY_TEXT_SCALING_FACTOR, DPI_FACTOR_LARGE);
                 else
                     settings.reset(KEY_TEXT_SCALING_FACTOR);
             });

js/ui/status/bluetooth.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Indicator */
 
-const { Gio, GnomeBluetooth } = imports.gi;
+const { Gio, GnomeBluetooth, GObject } = imports.gi;
 
 const Main = imports.ui.main;
 const PanelMenu = imports.ui.panelMenu;
@@ -17,9 +17,11 @@ const RfkillManagerProxy = Gio.DBusProxy.makeProxyWrapper(RfkillManagerInterface
 
 const HAD_BLUETOOTH_DEVICES_SETUP = 'had-bluetooth-devices-setup';
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'Bluetooth_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._indicator = this._addIndicator();
         this._indicator.icon_name = 'bluetooth-active-symbolic';
@@ -133,4 +135,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
 
         this._toggleItem.label.text = this._proxy.BluetoothAirplaneMode ? _("Turn On") : _("Turn Off");
     }
-};
+});

js/ui/status/brightness.js

@@ -15,9 +15,11 @@ const OBJECT_PATH = '/org/gnome/SettingsDaemon/Power';
 const BrightnessInterface = loadInterfaceXML('org.gnome.SettingsDaemon.Power.Screen');
 const BrightnessProxy = Gio.DBusProxy.makeProxyWrapper(BrightnessInterface);
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super('display-brightness-symbolic');
+var Indicator = GObject.registerClass({
+    GTypeName: 'Brightness_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
         this._proxy = new BrightnessProxy(Gio.DBus.session, BUS_NAME, OBJECT_PATH,
                                           (proxy, error) => {
                                               if (error) {
@@ -45,7 +47,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
             return this._slider.startDragging(event);
         });
         this._item.connect('key-press-event', (actor, event) => {
-            return this._slider.onKeyPressEvent(actor, event);
+            return this._slider.emit('key-press-event', event);
         });
 
     }
@@ -67,4 +69,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         if (visible)
             this._changeSlider(this._proxy.Brightness / 100.0);
     }
-};
+});

js/ui/status/keyboard.js

@@ -923,7 +923,7 @@ class InputSourceIndicator extends PanelMenu.Button {
     }
 
     _buildPropSection(properties) {
-        this._propSeparator.actor.hide();
+        this._propSeparator.hide();
         this._propSection.actor.hide();
         this._propSection.removeAll();
 
@@ -931,7 +931,7 @@ class InputSourceIndicator extends PanelMenu.Button {
 
         if (!this._propSection.isEmpty()) {
             this._propSection.actor.show();
-            this._propSeparator.actor.show();
+            this._propSeparator.show();
         }
     }
 
@@ -976,8 +976,8 @@ class InputSourceIndicator extends PanelMenu.Button {
                 item.prop = prop;
                 radioGroup.push(item);
                 item.radioGroup = radioGroup;
-                item.setOrnament(prop.get_state() == IBus.PropState.CHECKED ?
-                                 PopupMenu.Ornament.DOT : PopupMenu.Ornament.NONE);
+                item.setOrnament(prop.get_state() == IBus.PropState.CHECKED
+                    ? PopupMenu.Ornament.DOT : PopupMenu.Ornament.NONE);
                 item.connect('activate', () => {
                     if (item.prop.get_state() == IBus.PropState.CHECKED)
                         return;

js/ui/status/location.js

@@ -42,9 +42,11 @@ const GeoclueManager = Gio.DBusProxy.makeProxyWrapper(GeoclueIface);
 
 var AgentIface = loadInterfaceXML('org.freedesktop.GeoClue2.Agent');
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'Location_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._settings = new Gio.Settings({ schema_id: LOCATION_SCHEMA });
         this._settings.connect(`changed::${ENABLED}`,
@@ -168,8 +170,9 @@ var Indicator = class extends PanelMenu.SystemIndicator {
 
     _updateMenuLabels() {
         if (this._settings.get_boolean(ENABLED)) {
-            this._item.label.text = this._indicator.visible ? _("Location In Use")
-                                                            : _("Location Enabled");
+            this._item.label.text = this._indicator.visible
+                ? _("Location In Use")
+                : _("Location Enabled");
             this._onOffAction.label.text = _("Disable");
         } else {
             this._item.label.text = _("Location Disabled");
@@ -221,7 +224,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
 
         this._permStoreProxy = proxy;
     }
-};
+});
 
 function clamp(value, min, max) {
     return Math.max(min, Math.min(max, value));

js/ui/status/network.js

@@ -630,7 +630,6 @@ var NMWirelessDialogItem = GObject.registerClass({
                       can_focus: true,
                       reactive: true });
 
-        this.connect('key-focus-in', () => this.emit('selected'));
         let action = new Clutter.ClickAction();
         action.connect('clicked', () => this.grab_key_focus());
         this.add_action(action);
@@ -659,6 +658,10 @@ var NMWirelessDialogItem = GObject.registerClass({
         this._sync();
     }
 
+    vfunc_key_focus_in() {
+        this.emit('selected');
+    }
+
     _sync() {
         this._signalIcon.icon_name = this._getSignalIcon();
     }
@@ -860,7 +863,7 @@ class NMWirelessDialog extends ModalDialog.ModalDialog {
                                                  y_align: Clutter.ActorAlign.CENTER });
 
         this._noNetworksSpinner = new Animation.Spinner(16);
-        this._noNetworksBox.add_actor(this._noNetworksSpinner.actor);
+        this._noNetworksBox.add_actor(this._noNetworksSpinner);
         this._noNetworksBox.add_actor(new St.Label({ style_class: 'no-networks-label',
                                                      text: _("No Networks") }));
         this._stack.add_child(this._noNetworksBox);
@@ -909,8 +912,8 @@ class NMWirelessDialog extends ModalDialog.ModalDialog {
             this._client.activate_connection_async(connection, this._device, null, null, null);
         } else {
             let accessPoints = network.accessPoints;
-            if ((accessPoints[0]._secType == NMAccessPointSecurity.WPA2_ENT)
-                || (accessPoints[0]._secType == NMAccessPointSecurity.WPA_ENT)) {
+            if ((accessPoints[0]._secType == NMAccessPointSecurity.WPA2_ENT) ||
+                (accessPoints[0]._secType == NMAccessPointSecurity.WPA_ENT)) {
                 // 802.1x-enabled APs require further configuration, so they're
                 // handled in gnome-control-center
                 Util.spawn(['gnome-control-center', 'wifi', 'connect-8021x-wifi',
@@ -1588,9 +1591,11 @@ var DeviceCategory = class extends PopupMenu.PopupMenuSection {
     }
 };
 
-var NMApplet = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var NMApplet = GObject.registerClass({
+    GTypeName: 'Network_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._primaryIndicator = this._addIndicator();
         this._vpnIndicator = this._addIndicator();
@@ -1676,7 +1681,7 @@ var NMApplet = class extends PanelMenu.SystemIndicator {
                                                   'network-transmit-receive');
             this._source.policy = new MessageTray.NotificationApplicationPolicy('gnome-network-panel');
 
-            this._source.connect('destroy', () => this._source = null);
+            this._source.connect('destroy', () => (this._source = null));
             Main.messageTray.add(this._source);
         }
     }
@@ -1706,7 +1711,7 @@ var NMApplet = class extends PanelMenu.SystemIndicator {
         this._notification.connect('destroy', () => {
             this._notification = null;
         });
-        this._source.notify(this._notification);
+        this._source.showNotification(this._notification);
     }
 
     _onActivationFailed(_device, _reason) {
@@ -1939,7 +1944,7 @@ var NMApplet = class extends PanelMenu.SystemIndicator {
     }
 
     _syncNMState() {
-        this.indicators.visible = this._client.nm_running;
+        this.visible = this._client.nm_running;
         this.menu.actor.visible = this._client.networking_enabled;
 
         this._updateIcon();
@@ -1976,7 +1981,6 @@ var NMApplet = class extends PanelMenu.SystemIndicator {
             // or we get to full connectivity through other means
         } else if (result == PortalHelperResult.COMPLETED) {
             this._closeConnectivityCheck(path);
-            return;
         } else if (result == PortalHelperResult.RECHECK) {
             this._client.check_connectivity_async(null, (client, result) => {
                 try {
@@ -2059,4 +2063,4 @@ var NMApplet = class extends PanelMenu.SystemIndicator {
         this._vpnIndicator.icon_name = this._vpnSection.getIndicatorIcon();
         this._vpnIndicator.visible = (this._vpnIndicator.icon_name != '');
     }
-};
+});

js/ui/status/nightLight.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Indicator */
 
-const Gio = imports.gi.Gio;
+const { Gio, GObject } = imports.gi;
 
 const Main = imports.ui.main;
 const PanelMenu = imports.ui.panelMenu;
@@ -15,9 +15,11 @@ const OBJECT_PATH = '/org/gnome/SettingsDaemon/Color';
 const ColorInterface = loadInterfaceXML('org.gnome.SettingsDaemon.Color');
 const ColorProxy = Gio.DBusProxy.makeProxyWrapper(ColorInterface);
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'NightLight_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._indicator = this._addIndicator();
         this._indicator.icon_name = 'night-light-symbolic';
@@ -58,10 +60,12 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         let visible = this._proxy.NightLightActive;
         let disabled = this._proxy.DisabledUntilTomorrow;
 
-        this._item.label.text = disabled ? _("Night Light Disabled")
-                                         : _("Night Light On");
-        this._disableItem.label.text = disabled ? _("Resume")
-                                                : _("Disable Until Tomorrow");
+        this._item.label.text = disabled
+            ? _("Night Light Disabled")
+            : _("Night Light On");
+        this._disableItem.label.text = disabled
+            ? _("Resume")
+            : _("Disable Until Tomorrow");
         this._item.visible = this._indicator.visible = visible;
     }
-};
+});

js/ui/status/power.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Indicator */
 
-const { Clutter, Gio, St, UPowerGlib: UPower } = imports.gi;
+const { Clutter, Gio, GObject, St, UPowerGlib: UPower } = imports.gi;
 
 const Main = imports.ui.main;
 const PanelMenu = imports.ui.panelMenu;
@@ -17,9 +17,11 @@ const PowerManagerProxy = Gio.DBusProxy.makeProxyWrapper(DisplayDeviceInterface)
 
 const SHOW_BATTERY_PERCENTAGE       = 'show-battery-percentage';
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'Power_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._desktopSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.interface' });
         this._desktopSettings.connect(`changed::${SHOW_BATTERY_PERCENTAGE}`,
@@ -28,8 +30,8 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         this._indicator = this._addIndicator();
         this._percentageLabel = new St.Label({ y_expand: true,
                                                y_align: Clutter.ActorAlign.CENTER });
-        this.indicators.add(this._percentageLabel, { expand: true, y_fill: true });
-        this.indicators.add_style_class_name('power-status');
+        this.add(this._percentageLabel, { expand: true, y_fill: true });
+        this.add_style_class_name('power-status');
 
         this._proxy = new PowerManagerProxy(Gio.DBus.system, BUS_NAME, OBJECT_PATH,
                                             (proxy, error) => {
@@ -110,7 +112,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         // The icons
         let chargingState = this._proxy.State == UPower.DeviceState.CHARGING
             ? '-charging' : '';
-        let fillLevel = 10 * Math.ceil(this._proxy.Percentage / 10);
+        let fillLevel = 10 * Math.floor(this._proxy.Percentage / 10);
         let icon = this._proxy.State == UPower.DeviceState.FULLY_CHARGED
             ? 'battery-level-100-charged-symbolic'
             : `battery-level-${fillLevel}${chargingState}-symbolic`;
@@ -140,4 +142,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         // The status label
         this._item.label.text = this._getStatus();
     }
-};
+});

js/ui/status/remoteAccess.js

@@ -1,14 +1,16 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported RemoteAccessApplet */
 
-const Meta = imports.gi.Meta;
+const { GObject, Meta } = imports.gi;
 
 const PanelMenu = imports.ui.panelMenu;
 const PopupMenu = imports.ui.popupMenu;
 
-var RemoteAccessApplet = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var RemoteAccessApplet = GObject.registerClass({
+    GTypeName: 'RemoteAccess_Indicator'
+}, class RemoteAccessApplet extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         let backend = Meta.get_backend();
         let controller = backend.get_remote_access_controller();
@@ -75,4 +77,4 @@ var RemoteAccessApplet = class extends PanelMenu.SystemIndicator {
             this._sync();
         }
     }
-};
+});

js/ui/status/rfkill.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Indicator */
 
-const Gio = imports.gi.Gio;
+const { Gio, GObject } = imports.gi;
 const Signals = imports.signals;
 
 const Main = imports.ui.main;
@@ -61,9 +61,11 @@ function getRfkillManager() {
     return _manager;
 }
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'Rfkill_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._manager = getRfkillManager();
         this._manager.connect('airplane-mode-changed', this._sync.bind(this));
@@ -106,4 +108,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         else
             this._offItem.label.text = _("Turn Off");
     }
-};
+});

js/ui/status/screencast.js

@@ -1,12 +1,16 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Indicator */
 
+const GObject = imports.gi.GObject;
+
 const Main = imports.ui.main;
 const PanelMenu = imports.ui.panelMenu;
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'Screencast_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._indicator = this._addIndicator();
         this._indicator.icon_name = 'media-record-symbolic';
@@ -19,4 +23,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
     _sync() {
         this._indicator.visible = Main.screencastService.isRecording;
     }
-};
+});

js/ui/status/system.js

@@ -10,8 +10,10 @@ const PanelMenu = imports.ui.panelMenu;
 const PopupMenu = imports.ui.popupMenu;
 
 
-var AltSwitcher = class {
-    constructor(standard, alternate) {
+var AltSwitcher = GObject.registerClass(
+class AltSwitcher extends St.Bin {
+    _init(standard, alternate) {
+        super._init();
         this._standard = standard;
         this._standard.connect('notify::visible', this._sync.bind(this));
         if (this._standard instanceof St.Button)
@@ -31,9 +33,17 @@ var AltSwitcher = class {
         this._clickAction = new Clutter.ClickAction();
         this._clickAction.connect('long-press', this._onLongPress.bind(this));
 
-        this.actor = new St.Bin();
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-        this.actor.connect('notify::mapped', () => this._flipped = false);
+        this.connect('destroy', this._onDestroy.bind(this));
+    }
+
+    vfunc_map() {
+        super.vfunc_map();
+        this._flipped = false;
+    }
+
+    vfunc_unmap() {
+        super.vfunc_unmap();
+        this._flipped = false;
     }
 
     _sync() {
@@ -51,11 +61,11 @@ var AltSwitcher = class {
         } else if (this._alternate.visible) {
             childToShow = this._alternate;
         } else {
-            this.actor.hide();
+            this.hide();
             return;
         }
 
-        let childShown = this.actor.get_child();
+        let childShown = this.get_child();
         if (childShown != childToShow) {
             if (childShown) {
                 if (childShown.fake_release)
@@ -64,8 +74,8 @@ var AltSwitcher = class {
             }
             childToShow.add_action(this._clickAction);
 
-            let hasFocus = this.actor.contains(global.stage.get_key_focus());
-            this.actor.set_child(childToShow);
+            let hasFocus = this.contains(global.stage.get_key_focus());
+            this.set_child(childToShow);
             if (hasFocus)
                 childToShow.grab_key_focus();
 
@@ -74,7 +84,7 @@ var AltSwitcher = class {
             global.sync_pointer();
         }
 
-        this.actor.show();
+        this.show();
     }
 
     _onDestroy() {
@@ -104,11 +114,13 @@ var AltSwitcher = class {
         this._sync();
         return true;
     }
-};
+});
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'System_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         let userManager = AccountsService.UserManager.get_default();
         this._user = userManager.get_user(GLib.get_user_name());
@@ -289,7 +301,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
                                           bindFlags);
 
         this._altSwitcher = new AltSwitcher(this._powerOffAction, this._suspendAction);
-        item.add(this._altSwitcher.actor, { expand: true, x_fill: false });
+        item.add(this._altSwitcher, { expand: true, x_fill: false });
 
         this.menu.addMenuItem(item);
 
@@ -297,7 +309,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
             this._settingsAction,
             this._orientationLockAction,
             this._lockScreenAction,
-            this._altSwitcher.actor,
+            this._altSwitcher,
         ];
 
         for (let actor of visibilityGroup) {
@@ -312,4 +324,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         Main.overview.hide();
         this._settingsApp.activate();
     }
-};
+});

js/ui/status/thunderbolt.js

@@ -3,7 +3,7 @@
 
 // the following is a modified version of bolt/contrib/js/client.js
 
-const { Gio, GLib, Polkit, Shell } = imports.gi;
+const { Gio, GLib, GObject, Polkit, Shell } = imports.gi;
 const Signals = imports.signals;
 
 const Main = imports.ui.main;
@@ -156,12 +156,12 @@ var AuthRobot = class {
 
         /* check if authorization is enabled in the daemon. if not
          * we won't even bother authorizing, because we will only
-         * get an error back. The exact contents of AuthMode might 
+         * get an error back. The exact contents of AuthMode might
          * change in the future, but must contain AuthMode.ENABLED
          * if it is enabled. */
         if (!cli.authMode.split('|').includes(AuthMode.ENABLED))
             return;
-        
+
         /* check if we should enroll the device */
         let res = [false];
         this.emit('enroll-device', dev, res);
@@ -221,9 +221,11 @@ Signals.addSignalMethods(AuthRobot.prototype);
 
 /* eof client.js  */
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'Thunderbolt_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._indicator = this._addIndicator();
         this._indicator.icon_name = 'thunderbolt-symbolic';
@@ -260,7 +262,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         if (!this._source) {
             this._source = new MessageTray.Source(_("Thunderbolt"),
                                                   'thunderbolt-symbolic');
-            this._source.connect('destroy', () => this._source = null);
+            this._source.connect('destroy', () => (this._source = null));
 
             Main.messageTray.add(this._source);
         }
@@ -284,7 +286,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
             if (app)
                 app.activate();
         });
-        this._source.notify(this._notification);
+        this._source.showNotification(this._notification);
     }
 
     /* Session callbacks */
@@ -334,4 +336,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         const body = _("Could not authorize the Thunderbolt device: %s").format(error.message);
         this._notify(title, body);
     }
-};
+});

js/ui/status/volume.js

@@ -47,7 +47,7 @@ var StreamSlider = class {
             return this._slider.startDragging(event);
         });
         this.item.connect('key-press-event', (actor, event) => {
-            return this._slider.onKeyPressEvent(actor, event);
+            return this._slider.emit('key-press-event', event);
         });
 
         this._stream = null;
@@ -228,9 +228,9 @@ var OutputStreamSlider = class extends StreamSlider {
     }
 
     _updateSliderIcon() {
-        this._icon.icon_name = (this._hasHeadphones ?
-                                'audio-headphones-symbolic' :
-                                'audio-speakers-symbolic');
+        this._icon.icon_name = (this._hasHeadphones
+            ? 'audio-headphones-symbolic'
+            : 'audio-speakers-symbolic');
     }
 
     _portChanged() {
@@ -259,18 +259,17 @@ var InputStreamSlider = class extends StreamSlider {
     _maybeShowInput() {
         // only show input widgets if any application is recording audio
         let showInput = false;
-        let recordingApps = this._control.get_source_outputs();
-        if (this._stream && recordingApps) {
-            for (let i = 0; i < recordingApps.length; i++) {
-                let outputStream = recordingApps[i];
-                let id = outputStream.get_application_id();
-                // but skip gnome-volume-control and pavucontrol
-                // (that appear as recording because they show the input level)
-                if (!id || (id != 'org.gnome.VolumeControl' && id != 'org.PulseAudio.pavucontrol')) {
-                    showInput = true;
-                    break;
-                }
-            }
+        if (this._stream) {
+            // skip gnome-volume-control and pavucontrol which appear
+            // as recording because they show the input level
+            let skippedApps = [
+                'org.gnome.VolumeControl',
+                'org.PulseAudio.pavucontrol'
+            ];
+
+            showInput = this._control.get_source_outputs().some(output => {
+                return !skippedApps.includes(output.get_application_id());
+            });
         }
 
         this._showInput = showInput;
@@ -300,6 +299,9 @@ var VolumeMenu = class extends PopupMenu.PopupMenuSection {
         this.addMenuItem(this._output.item);
 
         this._input = new InputStreamSlider(this._control);
+        this._input.item.connect('notify::visible', () => {
+            this.emit('input-visible-changed');
+        });
         this.addMenuItem(this._input.item);
 
         this.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
@@ -339,34 +341,44 @@ var VolumeMenu = class extends PopupMenu.PopupMenuSection {
     getMaxLevel() {
         return this._output.getMaxLevel();
     }
+
+    getInputVisible() {
+        return this._input.item.visible;
+    }
 };
 
-var Indicator = class extends PanelMenu.SystemIndicator {
-    constructor() {
-        super();
+var Indicator = GObject.registerClass({
+    GTypeName: 'Volume_Indicator'
+}, class Indicator extends PanelMenu.SystemIndicator {
+    _init() {
+        super._init();
 
         this._primaryIndicator = this._addIndicator();
+        this._inputIndicator = this._addIndicator();
 
         this._control = getMixerControl();
         this._volumeMenu = new VolumeMenu(this._control);
         this._volumeMenu.connect('icon-changed', () => {
             let icon = this._volumeMenu.getIcon();
 
-            if (icon != null) {
-                this.indicators.show();
+            if (icon != null)
                 this._primaryIndicator.icon_name = icon;
-            } else {
-                this.indicators.hide();
-            }
+            this._primaryIndicator.visible = icon !== null;
+        });
+
+        this._inputIndicator.set({
+            icon_name: 'audio-input-microphone-symbolic',
+            visible: this._volumeMenu.getInputVisible(),
+        });
+        this._volumeMenu.connect('input-visible-changed', () => {
+            this._inputIndicator.visible = this._volumeMenu.getInputVisible();
         });
 
         this.menu.addMenuItem(this._volumeMenu);
-
-        this.indicators.connect('scroll-event', this._onScrollEvent.bind(this));
     }
 
-    _onScrollEvent(actor, event) {
-        let result = this._volumeMenu.scroll(event);
+    vfunc_scroll_event() {
+        let result = this._volumeMenu.scroll(Clutter.get_current_event());
         if (result == Clutter.EVENT_PROPAGATE || this.menu.actor.mapped)
             return result;
 
@@ -376,4 +388,4 @@ var Indicator = class extends PanelMenu.SystemIndicator {
         Main.osdWindowManager.show(-1, gicon, null, level, maxLevel);
         return result;
     }
-};
+});

js/ui/switcherPopup.js

@@ -105,12 +105,6 @@ var SwitcherPopup = GObject.registerClass({
         this._haveModal = true;
         this._modifierMask = primaryModifier(mask);
 
-        this.connect('key-press-event', this._keyPressEvent.bind(this));
-        this.connect('key-release-event', this._keyReleaseEvent.bind(this));
-
-        this.connect('button-press-event', this._clickedOutside.bind(this));
-        this.connect('scroll-event', this._scrollEvent.bind(this));
-
         this.add_actor(this._switcherList);
         this._switcherList.connect('item-activated', this._itemActivated.bind(this));
         this._switcherList.connect('item-entered', this._itemEntered.bind(this));
@@ -166,9 +160,10 @@ var SwitcherPopup = GObject.registerClass({
         throw new GObject.NotImplementedError(`_keyPressHandler in ${this.constructor.name}`);
     }
 
-    _keyPressEvent(actor, event) {
-        let keysym = event.get_key_symbol();
-        let action = global.display.get_keybinding_action(event.get_key_code(), event.get_state());
+    vfunc_key_press_event(keyEvent) {
+        let keysym = keyEvent.keyval;
+        let action = global.display.get_keybinding_action(
+            keyEvent.hardware_keycode, keyEvent.modifier_state);
 
         this._disableHover();
 
@@ -183,13 +178,13 @@ var SwitcherPopup = GObject.registerClass({
         return Clutter.EVENT_STOP;
     }
 
-    _keyReleaseEvent(actor, event) {
+    vfunc_key_release_event(keyEvent) {
         if (this._modifierMask) {
             let [x_, y_, mods] = global.get_pointer();
             let state = mods & this._modifierMask;
 
             if (state == 0)
-                this._finish(event.get_time());
+                this._finish(keyEvent.time);
         } else {
             this._resetNoModsTimeout();
         }
@@ -197,7 +192,8 @@ var SwitcherPopup = GObject.registerClass({
         return Clutter.EVENT_STOP;
     }
 
-    _clickedOutside() {
+    vfunc_button_press_event() {
+        /* We clicked outside */
         this.fadeAndDestroy();
         return Clutter.EVENT_PROPAGATE;
     }
@@ -209,8 +205,8 @@ var SwitcherPopup = GObject.registerClass({
             this._select(this._next());
     }
 
-    _scrollEvent(actor, event) {
-        this._scrollHandler(event.get_scroll_direction());
+    vfunc_scroll_event(scrollEvent) {
+        this._scrollHandler(scrollEvent.scroll_direction);
         return Clutter.EVENT_PROPAGATE;
     }
 

js/ui/unlockDialog.js

@@ -2,8 +2,7 @@
 /* exported UnlockDialog */
 
 const { AccountsService, Atk, Clutter,
-        Gdm, Gio, GLib, Meta, Shell, St } = imports.gi;
-const Signals = imports.signals;
+        Gdm, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
 
 const Layout = imports.ui.layout;
 const Main = imports.ui.main;
@@ -13,15 +12,19 @@ const AuthPrompt = imports.gdm.authPrompt;
 // The timeout before going back automatically to the lock screen (in seconds)
 const IDLE_TIMEOUT = 2 * 60;
 
-var UnlockDialog = class {
-    constructor(parentActor) {
-        this.actor = new St.Widget({ accessible_role: Atk.Role.WINDOW,
-                                     style_class: 'login-dialog',
-                                     layout_manager: new Clutter.BoxLayout(),
-                                     visible: false });
+var UnlockDialog = GObject.registerClass({
+    Signals: { 'failed': {} },
+}, class UnlockDialog extends St.Widget {
+    _init(parentActor) {
+        super._init({
+            accessible_role: Atk.Role.WINDOW,
+            style_class: 'login-dialog',
+            layout_manager: new Clutter.BoxLayout(),
+            visible: false,
+        });
 
-        this.actor.add_constraint(new Layout.MonitorConstraint({ primary: true }));
-        parentActor.add_child(this.actor);
+        this.add_constraint(new Layout.MonitorConstraint({ primary: true }));
+        parentActor.add_child(this);
 
         this._userManager = AccountsService.UserManager.get_default();
         this._userName = GLib.get_user_name();
@@ -32,7 +35,7 @@ var UnlockDialog = class {
                                              y_align: Clutter.ActorAlign.CENTER,
                                              x_expand: true,
                                              y_expand: true });
-        this.actor.add_child(this._promptBox);
+        this.add_child(this._promptBox);
 
         this._authPrompt = new AuthPrompt.AuthPrompt(new Gdm.Client(), AuthPrompt.AuthPromptMode.UNLOCK_ONLY);
         this._authPrompt.connect('failed', this._fail.bind(this));
@@ -41,7 +44,7 @@ var UnlockDialog = class {
         this._authPrompt.setPasswordChar('\u25cf');
         this._authPrompt.nextButton.label = _("Unlock");
 
-        this._promptBox.add_child(this._authPrompt.actor);
+        this._promptBox.add_child(this._authPrompt);
 
         this.allowCancel = false;
 
@@ -64,10 +67,12 @@ var UnlockDialog = class {
         this._authPrompt.reset();
         this._updateSensitivity(true);
 
-        Main.ctrlAltTabManager.addGroup(this.actor, _("Unlock Window"), 'dialog-password-symbolic');
+        Main.ctrlAltTabManager.addGroup(this, _("Unlock Window"), 'dialog-password-symbolic');
 
         this._idleMonitor = Meta.IdleMonitor.get_core();
         this._idleWatchId = this._idleMonitor.add_idle_watch(IDLE_TIMEOUT * 1000, this._escape.bind(this));
+
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
     _updateSensitivity(sensitive) {
@@ -106,9 +111,8 @@ var UnlockDialog = class {
         this._authPrompt.cancel();
     }
 
-    destroy() {
+    _onDestroy() {
         this.popModal();
-        this.actor.destroy();
 
         if (this._idleWatchId) {
             this._idleMonitor.remove_watch(this._idleWatchId);
@@ -131,13 +135,16 @@ var UnlockDialog = class {
     }
 
     open(timestamp) {
-        this.actor.show();
+        this.show();
 
         if (this._isModal)
             return true;
 
-        if (!Main.pushModal(this.actor, { timestamp: timestamp,
-                                          actionMode: Shell.ActionMode.UNLOCK_SCREEN }))
+        let modalParams = {
+            timestamp,
+            actionMode: Shell.ActionMode.UNLOCK_SCREEN,
+        };
+        if (!Main.pushModal(this, modalParams))
             return false;
 
         this._isModal = true;
@@ -147,9 +154,8 @@ var UnlockDialog = class {
 
     popModal(timestamp) {
         if (this._isModal) {
-            Main.popModal(this.actor, timestamp);
+            Main.popModal(this, timestamp);
             this._isModal = false;
         }
     }
-};
-Signals.addSignalMethods(UnlockDialog.prototype);
+});

js/ui/userWidget.js

@@ -14,29 +14,47 @@ var AVATAR_ICON_SIZE = 64;
 // Copyright (C) 2004-2005 James M. Cape <jcape@ignore-your.tv>.
 // Copyright (C) 2008,2009 Red Hat, Inc.
 
-var Avatar = class {
-    constructor(user, params) {
-        this._user = user;
+var Avatar = GObject.registerClass({
+    GTypeName: 'UserWidget_Avatar'
+}, class Avatar extends St.Bin {
+    _init(user, params) {
+        let themeContext = St.ThemeContext.get_for_stage(global.stage);
         params = Params.parse(params, { reactive: false,
                                         iconSize: AVATAR_ICON_SIZE,
                                         styleClass: 'user-icon' });
-        this._iconSize = params.iconSize;
 
-        let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
-        this.actor = new St.Bin({ style_class: params.styleClass,
-                                  track_hover: params.reactive,
-                                  reactive: params.reactive,
-                                  width: this._iconSize * scaleFactor,
-                                  height: this._iconSize * scaleFactor });
+        super._init({
+            style_class: params.styleClass,
+            reactive: params.reactive,
+            width: params.iconSize * themeContext.scaleFactor,
+            height: params.iconSize * themeContext.scaleFactor
+        });
+
+        this._iconSize = params.iconSize;
+        this._user = user;
+
+        this.bind_property('reactive', this, 'track-hover',
+            GObject.BindingFlags.SYNC_CREATE);
+        this.bind_property('reactive', this, 'can-focus',
+            GObject.BindingFlags.SYNC_CREATE);
 
         // Monitor the scaling factor to make sure we recreate the avatar when needed.
-        let themeContext = St.ThemeContext.get_for_stage(global.stage);
-        themeContext.connect('notify::scale-factor', this.update.bind(this));
+        this._scaleFactorChangeId =
+            themeContext.connect('notify::scale-factor', this.update.bind(this));
+
+        this.connect('destroy', this._onDestroy.bind(this));
+    }
+
+    _onDestroy() {
+        if (this._scaleFactorChangeId) {
+            let themeContext = St.ThemeContext.get_for_stage(global.stage);
+            themeContext.disconnect(this._scaleFactorChangeId);
+            delete this._scaleFactorChangeId;
+        }
     }
 
     setSensitive(sensitive) {
-        this.actor.can_focus = sensitive;
-        this.actor.reactive = sensitive;
+        this.reactive = sensitive;
     }
 
     update() {
@@ -45,21 +63,21 @@ var Avatar = class {
             iconFile = null;
 
         if (iconFile) {
-            this.actor.child = null;
+            this.child = null;
             let { scaleFactor } = St.ThemeContext.get_for_stage(global.stage);
-            this.actor.set_size(
+            this.set_size(
                 this._iconSize * scaleFactor,
                 this._iconSize * scaleFactor);
-            this.actor.style = `
+            this.style = `
                 background-image: url("${iconFile}");
                 background-size: cover;`;
         } else {
-            this.actor.style = null;
-            this.actor.child = new St.Icon({ icon_name: 'avatar-default-symbolic',
-                                             icon_size: this._iconSize });
+            this.style = null;
+            this.child = new St.Icon({ icon_name: 'avatar-default-symbolic',
+                                       icon_size: this._iconSize });
         }
     }
-};
+});
 
 var UserWidgetLabel = GObject.registerClass(
 class UserWidgetLabel extends St.Widget {
@@ -140,21 +158,22 @@ class UserWidgetLabel extends St.Widget {
     }
 });
 
-var UserWidget = class {
-    constructor(user) {
+var UserWidget = GObject.registerClass(
+class UserWidget extends St.BoxLayout {
+    _init(user) {
+        super._init({ style_class: 'user-widget', vertical: false });
+
         this._user = user;
 
-        this.actor = new St.BoxLayout({ style_class: 'user-widget',
-                                        vertical: false });
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
 
         this._avatar = new Avatar(user);
-        this.actor.add_child(this._avatar.actor);
+        this.add_child(this._avatar);
 
         this._label = new UserWidgetLabel(user);
-        this.actor.add_child(this._label);
+        this.add_child(this._label);
 
-        this._label.bind_property('label-actor', this.actor, 'label-actor',
+        this._label.bind_property('label-actor', this, 'label-actor',
                                   GObject.BindingFlags.SYNC_CREATE);
 
         this._userLoadedId = this._user.connect('notify::is-loaded', this._updateUser.bind(this));
@@ -177,4 +196,4 @@ var UserWidget = class {
     _updateUser() {
         this._avatar.update();
     }
-};
+});

js/ui/viewSelector.js

@@ -123,9 +123,14 @@ var ShowOverviewAction = GObject.registerClass({
     }
 });
 
-var ViewSelector = class {
-    constructor(searchEntry, showAppsButton) {
-        this.actor = new Shell.Stack({ name: 'viewSelector' });
+var ViewSelector = GObject.registerClass({
+    Signals: {
+        'page-changed': {},
+        'page-empty': {},
+    }
+}, class ViewSelector extends Shell.Stack {
+    _init(searchEntry, showAppsButton) {
+        super._init({ name: 'viewSelector' });
 
         this._showAppsButton = showAppsButton;
         this._showAppsButton.connect('notify::checked', this._onShowAppsButtonToggled.bind(this));
@@ -165,15 +170,15 @@ var ViewSelector = class {
         this._capturedEventId = 0;
 
         this._workspacesDisplay = new WorkspacesView.WorkspacesDisplay();
-        this._workspacesPage = this._addPage(this._workspacesDisplay.actor,
+        this._workspacesPage = this._addPage(this._workspacesDisplay,
                                              _("Windows"), 'focus-windows-symbolic');
 
         this.appDisplay = new AppDisplay.AppDisplay();
-        this._appsPage = this._addPage(this.appDisplay.actor,
+        this._appsPage = this._addPage(this.appDisplay,
                                        _("Applications"), 'view-app-grid-symbolic');
 
-        this._searchResults = new Search.SearchResults();
-        this._searchPage = this._addPage(this._searchResults.actor,
+        this._searchResults = new Search.SearchResultsView();
+        this._searchPage = this._addPage(this._searchResults,
                                          _("Search"), 'edit-find-symbolic',
                                          { a11yFocus: this._entry });
 
@@ -184,9 +189,9 @@ var ViewSelector = class {
         this._focusTrap.connect('key-focus-in', () => {
             this._entry.grab_key_focus();
         });
-        this._searchResults.actor.add_actor(this._focusTrap);
+        this._searchResults.add_actor(this._focusTrap);
 
-        global.focus_manager.add_group(this._searchResults.actor);
+        global.focus_manager.add_group(this._searchResults);
 
         this._stageKeyPressId = 0;
         Main.overview.connect('showing', () => {
@@ -310,11 +315,11 @@ var ViewSelector = class {
             Main.ctrlAltTabManager.addGroup(params.a11yFocus, name, a11yIcon);
         else
             Main.ctrlAltTabManager.addGroup(actor, name, a11yIcon, {
-                proxy: this.actor,
+                proxy: this,
                 focusCallback: () => this._a11yFocusPage(page),
             });
         page.hide();
-        this.actor.add_actor(page);
+        this.add_actor(page);
         return page;
     }
 
@@ -389,8 +394,8 @@ var ViewSelector = class {
     }
 
     _onShowAppsButtonToggled() {
-        this._showPage(this._showAppsButton.checked ?
-                       this._appsPage : this._workspacesPage);
+        this._showPage(this._showAppsButton.checked
+            ? this._appsPage : this._workspacesPage);
     }
 
     _onStageKeyPress(actor, event) {
@@ -424,8 +429,9 @@ var ViewSelector = class {
     }
 
     _searchCancelled() {
-        this._showPage(this._showAppsButton.checked ? this._appsPage
-                                                    : this._workspacesPage);
+        this._showPage(this._showAppsButton.checked
+            ? this._appsPage
+            : this._workspacesPage);
 
         // Leave the entry focused when it doesn't have any text;
         // when replacing a selected search term, Clutter emits
@@ -453,7 +459,7 @@ var ViewSelector = class {
     _onStageKeyFocusChanged() {
         let focus = global.stage.get_key_focus();
         let appearFocused = (this._entry.contains(focus) ||
-                             this._searchResults.actor.contains(focus));
+                             this._searchResults.contains(focus));
 
         this._text.set_cursor_visible(appearFocused);
 
@@ -576,6 +582,7 @@ var ViewSelector = class {
         if (event.type() == Clutter.EventType.BUTTON_PRESS) {
             let source = event.get_source();
             if (source != this._text &&
+                this._text.has_key_focus() &&
                 this._text.text == '' &&
                 !this._text.has_preedit () &&
                 !Main.layoutManager.keyboardBox.contains(source)) {
@@ -597,5 +604,4 @@ var ViewSelector = class {
         else
             return ViewPage.SEARCH;
     }
-};
-Signals.addSignalMethods(ViewSelector.prototype);
+});

js/ui/windowAttentionHandler.js

@@ -1,7 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported WindowAttentionHandler */
 
-const Shell = imports.gi.Shell;
+const { GObject, Shell } = imports.gi;
 
 const Main = imports.ui.main;
 const MessageTray = imports.ui.messageTray;
@@ -34,7 +34,7 @@ var WindowAttentionHandler = class {
             return;
 
         let app = this._tracker.get_window_app(window);
-        let source = new Source(app, window);
+        let source = new WindowAttentionSource(app, window);
         Main.messageTray.add(source);
 
         let [title, banner] = this._getTitleAndBanner(app, window);
@@ -45,7 +45,7 @@ var WindowAttentionHandler = class {
         });
         notification.setForFeedback(true);
 
-        source.notify(notification);
+        source.showNotification(notification);
 
         source.signalIDs.push(window.connect('notify::title', () => {
             let [title, banner] = this._getTitleAndBanner(app, window);
@@ -54,9 +54,10 @@ var WindowAttentionHandler = class {
     }
 };
 
-var Source = class WindowAttentionSource extends MessageTray.Source {
-    constructor(app, window) {
-        super(app.get_name());
+var WindowAttentionSource = GObject.registerClass(
+class WindowAttentionSource extends MessageTray.Source {
+    _init(app, window) {
+        super._init(app.get_name());
 
         this._window = window;
         this._app = app;
@@ -102,4 +103,4 @@ var Source = class WindowAttentionSource extends MessageTray.Source {
     open() {
         Main.activateWindow(this._window);
     }
-};
+});

js/ui/windowManager.js

@@ -40,6 +40,8 @@ const GSD_WACOM_OBJECT_PATH = '/org/gnome/SettingsDaemon/Wacom';
 const GsdWacomIface = loadInterfaceXML('org.gnome.SettingsDaemon.Wacom');
 const GsdWacomProxy = Gio.DBusProxy.makeProxyWrapper(GsdWacomIface);
 
+const WINDOW_DIMMER_EFFECT_NAME = "gnome-shell-window-dimmer";
+
 var DisplayChangeDialog = GObject.registerClass(
 class DisplayChangeDialog extends ModalDialog.ModalDialog {
     _init(wm) {
@@ -114,21 +116,20 @@ class DisplayChangeDialog extends ModalDialog.ModalDialog {
     }
 });
 
-var WindowDimmer = class {
-    constructor(actor) {
-        this._brightnessEffect = new Clutter.BrightnessContrastEffect({
-            name: 'dim',
+var WindowDimmer = GObject.registerClass(
+class WindowDimmer extends Clutter.BrightnessContrastEffect {
+    _init() {
+        super._init({
+            name: WINDOW_DIMMER_EFFECT_NAME,
             enabled: false
         });
-        actor.add_effect(this._brightnessEffect);
-        this.actor = actor;
         this._enabled = true;
     }
 
     _syncEnabled() {
-        let animating = this.actor.get_transition('@effects.dim.brightness') != null;
-        let dimmed = this._brightnessEffect.brightness.red != 127;
-        this._brightnessEffect.enabled = this._enabled && (animating || dimmed);
+        let animating = this.actor.get_transition(`@effects.${this.name}.brightness`) != null;
+        let dimmed = this.brightness.red != 127;
+        this.enabled = this._enabled && (animating || dimmed);
     }
 
     setEnabled(enabled) {
@@ -140,7 +141,7 @@ var WindowDimmer = class {
         let val = 127 * (1 + (dimmed ? 1 : 0) * DIM_BRIGHTNESS);
         let color = Clutter.Color.new(val, val, val, 255);
 
-        this.actor.ease_property('@effects.dim.brightness', color, {
+        this.actor.ease_property(`@effects.${this.name}.brightness`, color, {
             mode: Clutter.AnimationMode.LINEAR,
             duration: (dimmed ? DIM_TIME : UNDIM_TIME) * (animate ? 1 : 0),
             onComplete: () => this._syncEnabled()
@@ -148,20 +149,19 @@ var WindowDimmer = class {
 
         this._syncEnabled();
     }
-};
+});
 
 function getWindowDimmer(actor) {
     let enabled = Meta.prefs_get_attach_modal_dialogs();
-    if (actor._windowDimmer)
-        actor._windowDimmer.setEnabled(enabled);
+    let effect = actor.get_effect(WINDOW_DIMMER_EFFECT_NAME);
 
-    if (enabled) {
-        if (!actor._windowDimmer)
-            actor._windowDimmer = new WindowDimmer(actor);
-        return actor._windowDimmer;
-    } else {
-        return null;
+    if (effect) {
+        effect.setEnabled(enabled);
+    } else if (enabled) {
+        effect = new WindowDimmer();
+        actor.add_effect(effect);
     }
+    return effect;
 }
 
 /*
@@ -187,6 +187,9 @@ var WorkspaceTracker = class {
         let workspaceManager = global.workspace_manager;
         workspaceManager.connect('notify::n-workspaces',
                                  this._nWorkspacesChanged.bind(this));
+        workspaceManager.connect('workspaces-reordered', () => {
+            this._workspaces.sort((a, b) => a.index() - b.index());
+        });
         global.window_manager.connect('switch-workspace',
                                       this._queueCheckWorkspaces.bind(this));
 
@@ -376,21 +379,22 @@ var WorkspaceTracker = class {
     }
 };
 
-var TilePreview = class {
-    constructor() {
-        this.actor = new St.Widget();
-        global.window_group.add_actor(this.actor);
+var TilePreview = GObject.registerClass(
+class TilePreview extends St.Widget {
+    _init() {
+        super._init();
+        global.window_group.add_actor(this);
 
         this._reset();
         this._showing = false;
     }
 
-    show(window, tileRect, monitorIndex) {
+    open(window, tileRect, monitorIndex) {
         let windowActor = window.get_compositor_private();
         if (!windowActor)
             return;
 
-        global.window_group.set_child_below_sibling(this.actor, windowActor);
+        global.window_group.set_child_below_sibling(this, windowActor);
 
         if (this._rect && this._rect.equal(tileRect))
             return;
@@ -411,14 +415,14 @@ var TilePreview = class {
                                                    width: monitor.width,
                                                    height: monitor.height });
             let [, rect] = window.get_frame_rect().intersect(monitorRect);
-            this.actor.set_size(rect.width, rect.height);
-            this.actor.set_position(rect.x, rect.y);
-            this.actor.opacity = 0;
+            this.set_size(rect.width, rect.height);
+            this.set_position(rect.x, rect.y);
+            this.opacity = 0;
         }
 
         this._showing = true;
-        this.actor.show();
-        this.actor.ease({
+        this.show();
+        this.ease({
             x: tileRect.x,
             y: tileRect.y,
             width: tileRect.width,
@@ -429,12 +433,12 @@ var TilePreview = class {
         });
     }
 
-    hide() {
+    close() {
         if (!this._showing)
             return;
 
         this._showing = false;
-        this.actor.ease({
+        this.ease({
             opacity: 0,
             duration: WINDOW_ANIMATION_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
@@ -443,7 +447,7 @@ var TilePreview = class {
     }
 
     _reset() {
-        this.actor.hide();
+        this.hide();
         this._rect = null;
         this._monitorIndex = -1;
     }
@@ -457,9 +461,9 @@ var TilePreview = class {
         if (this._rect.x + this._rect.width == monitor.x + monitor.width)
             styles.push('tile-preview-right');
 
-        this.actor.style_class = styles.join(' ');
+        this.style_class = styles.join(' ');
     }
-};
+});
 
 var TouchpadWorkspaceSwitchAction = class {
     constructor(actor, allowedModes) {
@@ -630,9 +634,9 @@ var AppSwitchAction = GObject.registerClass({
         let nPoints = this.get_n_current_points();
         let event = this.get_last_event (nPoints - 1);
 
-        if (nPoints == 3)
+        if (nPoints == 3) {
             this._longPressStartTime = event.get_time();
-        else if (nPoints == 4) {
+        } else if (nPoints == 4) {
             // Check whether the 4th finger press happens after a 3-finger long press,
             // this only needs to be checked on the first 4th finger press
             if (this._longPressStartTime != null &&
@@ -666,15 +670,16 @@ var AppSwitchAction = GObject.registerClass({
     }
 });
 
-var ResizePopup = class {
-    constructor() {
-        this._widget = new St.Widget({ layout_manager: new Clutter.BinLayout() });
+var ResizePopup = GObject.registerClass(
+class ResizePopup extends St.Widget {
+    _init() {
+        super._init({ layout_manager: new Clutter.BinLayout() });
         this._label = new St.Label({ style_class: 'resize-popup',
                                      x_align: Clutter.ActorAlign.CENTER,
                                      y_align: Clutter.ActorAlign.CENTER,
                                      x_expand: true, y_expand: true });
-        this._widget.add_child(this._label);
-        Main.uiGroup.add_actor(this._widget);
+        this.add_child(this._label);
+        Main.uiGroup.add_actor(this);
     }
 
     set(rect, displayW, displayH) {
@@ -683,15 +688,10 @@ var ResizePopup = class {
         let text = _("%d × %d").format(displayW, displayH);
         this._label.set_text(text);
 
-        this._widget.set_position(rect.x, rect.y);
-        this._widget.set_size(rect.width, rect.height);
+        this.set_position(rect.x, rect.y);
+        this.set_size(rect.width, rect.height);
     }
-
-    destroy() {
-        this._widget.destroy();
-        this._widget = null;
-    }
-};
+});
 
 var WindowManager = class {
     constructor() {
@@ -713,7 +713,7 @@ var WindowManager = class {
         this._isWorkspacePrepended = false;
 
         this._switchData = null;
-        this._shellwm.connect('kill-switch-workspace', (shellwm) => {
+        this._shellwm.connect('kill-switch-workspace', shellwm => {
             if (this._switchData) {
                 if (this._switchData.inProgress)
                     this._switchWorkspaceDone(shellwm);
@@ -1022,7 +1022,6 @@ var WindowManager = class {
                                                 (proxy, error) => {
                                                     if (error) {
                                                         log(error.message);
-                                                        return;
                                                     }
                                                 });
 
@@ -1087,7 +1086,7 @@ var WindowManager = class {
         let mode = Shell.ActionMode.ALL & ~Shell.ActionMode.LOCK_SCREEN;
         let bottomDragAction = new EdgeDragAction.EdgeDragAction(St.Side.BOTTOM, mode);
         bottomDragAction.connect('activated', () => {
-            Main.keyboard.show(Main.layoutManager.bottomIndex);
+            Main.keyboard.open(Main.layoutManager.bottomIndex);
         });
         Main.layoutManager.connect('keyboard-visible-changed', (manager, visible) => {
             bottomDragAction.cancel();
@@ -1115,9 +1114,9 @@ var WindowManager = class {
 
     _showPadOsd(display, device, settings, imagePath, editionMode, monitorIndex) {
         this._currentPadOsd = new PadOsd.PadOsd(device, settings, imagePath, editionMode, monitorIndex);
-        this._currentPadOsd.connect('closed', () => this._currentPadOsd = null);
+        this._currentPadOsd.connect('closed', () => (this._currentPadOsd = null));
 
-        return this._currentPadOsd.actor;
+        return this._currentPadOsd;
     }
 
     _switchWorkspaceMotion(action, xRel, yRel) {
@@ -1210,9 +1209,41 @@ var WindowManager = class {
         if (!Meta.prefs_get_dynamic_workspaces())
             return;
 
-        let newWs = workspaceManager.append_new_workspace(
-            false, global.get_current_time());
-        workspaceManager.reorder_workspace(newWs, pos);
+        workspaceManager.append_new_workspace(false, global.get_current_time());
+
+        let windows = global.get_window_actors().map(a => a.meta_window);
+
+        // To create a new workspace, we slide all the windows on workspaces
+        // below us to the next workspace, leaving a blank workspace for us
+        // to recycle.
+        windows.forEach(window => {
+            // If the window is attached to an ancestor, we don't need/want
+            // to move it
+            if (window.get_transient_for() != null)
+                return;
+            // Same for OR windows
+            if (window.is_override_redirect())
+                return;
+            // Sticky windows don't need moving, in fact moving would
+            // unstick them
+            if (window.on_all_workspaces)
+                return;
+            // Windows on workspaces below pos don't need moving
+            let index = window.get_workspace().index();
+            if (index < pos)
+                return;
+            window.change_workspace_by_index(index + 1, true);
+        });
+
+        // If the new workspace was inserted before the active workspace,
+        // activate the workspace to which its windows went
+        let activeIndex = workspaceManager.get_active_workspace_index();
+        if (activeIndex >= pos) {
+            let newWs = workspaceManager.get_workspace_by_index(activeIndex + 1);
+            this._blockAnimations = true;
+            newWs.activate(global.get_current_time());
+            this._blockAnimations = false;
+        }
     }
 
     keepWorkspaceAlive(workspace, duration) {
@@ -1682,7 +1713,6 @@ var WindowManager = class {
             break;
         default:
             shellwm.completed_map(actor);
-            return;
         }
     }
 
@@ -1763,7 +1793,6 @@ var WindowManager = class {
             break;
         default:
             shellwm.completed_destroy(actor);
-            return;
         }
     }
 
@@ -2013,13 +2042,13 @@ var WindowManager = class {
     _showTilePreview(shellwm, window, tileRect, monitorIndex) {
         if (!this._tilePreview)
             this._tilePreview = new TilePreview();
-        this._tilePreview.show(window, tileRect, monitorIndex);
+        this._tilePreview.open(window, tileRect, monitorIndex);
     }
 
     _hideTilePreview() {
         if (!this._tilePreview)
             return;
-        this._tilePreview.hide();
+        this._tilePreview.close();
     }
 
     _showWindowMenu(shellwm, window, menu, rect) {

js/ui/windowMenu.js

@@ -178,7 +178,7 @@ var WindowMenu = class extends PopupMenu.PopupMenu {
         }
 
         let waitId = 0;
-        let id = global.display.connect('grab-op-end', (display) => {
+        let id = global.display.connect('grab-op-end', display => {
             display.disconnect(id);
             GLib.source_remove(waitId);
 

js/ui/workspace.js

@@ -1,7 +1,8 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 /* exported Workspace */
 
-const { Atk, Clutter, GLib, GObject, Meta, Pango, Shell, St } = imports.gi;
+const { Atk, Clutter, GLib, GObject,
+        Graphene, Meta, Pango, Shell, St } = imports.gi;
 const Signals = imports.signals;
 
 const DND = imports.ui.dnd;
@@ -93,6 +94,7 @@ class WindowCloneLayout extends Clutter.LayoutManager {
 });
 
 var WindowClone = GObject.registerClass({
+    GTypeName: 'Workspace_WindowClone',
     Signals: {
         'drag-begin': {},
         'drag-cancelled': {},
@@ -102,7 +104,7 @@ var WindowClone = GObject.registerClass({
         'show-chrome': {},
         'size-changed': {}
     },
-}, class WorkspaceWindowClone extends St.Widget {
+}, class WindowClone extends St.Widget {
     _init(realWindow, workspace) {
         this.realWindow = realWindow;
         this.metaWindow = realWindow.meta_window;
@@ -157,18 +159,13 @@ var WindowClone = GObject.registerClass({
         this.x = this._boundingBox.x;
         this.y = this._boundingBox.y;
 
+        this._computeWindowCenter();
+
         let clickAction = new Clutter.ClickAction();
         clickAction.connect('clicked', this._onClicked.bind(this));
         clickAction.connect('long-press', this._onLongPress.bind(this));
         this.add_action(clickAction);
         this.connect('destroy', this._onDestroy.bind(this));
-        this.connect('key-press-event', this._onKeyPress.bind(this));
-
-        this.connect('enter-event', () => this.emit('show-chrome'));
-        this.connect('key-focus-in', () => this.emit('show-chrome'));
-
-        this.connect('leave-event', () => this.emit('hide-chrome'));
-        this.connect('key-focus-out', () => this.emit('hide-chrome'));
 
         this._draggable = DND.makeDraggable(this,
                                             { restoreOnSuccess: true,
@@ -299,6 +296,18 @@ var WindowClone = GObject.registerClass({
         this.layout_manager.boundingBox = rect;
     }
 
+    get windowCenter() {
+        return this._windowCenter;
+    }
+
+    _computeWindowCenter() {
+        let box = this.realWindow.get_allocation_box();
+        this._windowCenter = new Graphene.Point({
+            x: box.get_x() + box.get_width() / 2,
+            y: box.get_y() + box.get_height() / 2,
+        });
+    }
+
     // Find the actor just below us, respecting reparenting done by DND code
     getActualStackAbove() {
         if (this._stackAbove == null)
@@ -368,8 +377,28 @@ var WindowClone = GObject.registerClass({
         this.emit('selected', global.get_current_time());
     }
 
-    _onKeyPress(actor, event) {
-        let symbol = event.get_key_symbol();
+    vfunc_enter_event(crossingEvent) {
+        this.emit('show-chrome');
+        return super.vfunc_enter_event(crossingEvent);
+    }
+
+    vfunc_leave_event(crossingEvent) {
+        this.emit('hide-chrome');
+        return super.vfunc_leave_event(crossingEvent);
+    }
+
+    vfunc_key_focus_in() {
+        super.vfunc_key_focus_in();
+        this.emit('show-chrome');
+    }
+
+    vfunc_key_focus_out() {
+        super.vfunc_key_focus_out();
+        this.emit('hide-chrome');
+    }
+
+    vfunc_key_press_event(keyEvent) {
+        let symbol = keyEvent.keyval;
         let isEnter = (symbol == Clutter.KEY_Return || symbol == Clutter.KEY_KP_Enter);
         if (isEnter) {
             this._activate();
@@ -412,8 +441,6 @@ var WindowClone = GObject.registerClass({
 
     _onDragBegin(_draggable, _time) {
         this._dragSlot = this._slot;
-        [this.dragOrigX, this.dragOrigY] = this.get_position();
-        this.dragOrigScale = this.scale_x;
         this.inDrag = true;
         this.emit('drag-begin');
     }
@@ -423,7 +450,7 @@ var WindowClone = GObject.registerClass({
     }
 
     acceptDrop(source, actor, x, y, time) {
-        this._workspace.acceptDrop(source, actor, x, y, time);
+        return this._workspace.acceptDrop(source, actor, x, y, time);
     }
 
     _onDragCancelled(_draggable, _time) {
@@ -468,7 +495,8 @@ var WindowOverlay = class {
         this.border = new St.Bin({ style_class: 'window-clone-border' });
 
         this.title = new St.Label({ style_class: 'window-caption',
-                                    text: this._getCaption() });
+                                    text: this._getCaption(),
+                                    reactive: true });
         this.title.clutter_text.ellipsize = Pango.EllipsizeMode.END;
         windowClone.label_actor = this.title;
 
@@ -493,7 +521,6 @@ var WindowOverlay = class {
         this.closeButton.hide();
 
         // Don't block drop targets
-        Shell.util_set_hidden_from_pick(this.title, true);
         Shell.util_set_hidden_from_pick(this.border, true);
 
         parentActor.add_actor(this.border);
@@ -686,19 +713,22 @@ var WindowOverlay = class {
     }
 
     _onHideChrome() {
-        if (this._idleHideOverlayId == 0) {
-            this._idleHideOverlayId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, WINDOW_OVERLAY_IDLE_HIDE_TIMEOUT, this._idleHideOverlay.bind(this));
-            GLib.Source.set_name_by_id(this._idleHideOverlayId, '[gnome-shell] this._idleHideOverlay');
-        }
+        if (this._idleHideOverlayId > 0)
+            GLib.source_remove(this._idleHideOverlayId);
+
+        this._idleHideOverlayId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, WINDOW_OVERLAY_IDLE_HIDE_TIMEOUT, this._idleHideOverlay.bind(this));
+        GLib.Source.set_name_by_id(this._idleHideOverlayId, '[gnome-shell] this._idleHideOverlay');
     }
 
     _idleHideOverlay() {
-        this._idleHideOverlayId = 0;
+        if (this.closeButton['has-pointer'] ||
+            this.title['has-pointer'])
+            return GLib.SOURCE_CONTINUE;
 
-        if (!this._windowClone['has-pointer'] &&
-            !this.closeButton['has-pointer'])
+        if (!this._windowClone['has-pointer'])
             this._animateInvisible();
 
+        this._idleHideOverlayId = 0;
         return GLib.SOURCE_REMOVE;
     }
 
@@ -903,7 +933,7 @@ var LayoutStrategy = class {
     computeWindowSlots(layout, area) {
         this._computeRowSizes(layout);
 
-        let { rows: rows, scale: scale } = layout;
+        let { rows, scale } = layout;
 
         let slots = [];
 
@@ -978,7 +1008,7 @@ var LayoutStrategy = class {
 
 var UnalignedLayoutStrategy = class extends LayoutStrategy {
     _computeRowSizes(layout) {
-        let { rows: rows, scale: scale } = layout;
+        let { rows, scale } = layout;
         for (let i = 0; i < rows.length; i++) {
             let row = rows[i];
             row.width = row.fullWidth * scale + (row.windows.length - 1) * this._columnSpacing;
@@ -1002,11 +1032,7 @@ var UnalignedLayoutStrategy = class extends LayoutStrategy {
     _sortRow(row) {
         // Sort windows horizontally to minimize travel distance.
         // This affects in what order the windows end up in a row.
-        row.windows.sort((a, b) => {
-            let aCenter = a.realWindow.x + a.realWindow.width / 2;
-            let bCenter = b.realWindow.x + b.realWindow.width / 2;
-            return aCenter - bCenter;
-        });
+        row.windows.sort((a, b) => a.windowCenter.x - b.windowCenter.x);
     }
 
     computeLayout(windows, layout) {
@@ -1025,11 +1051,7 @@ var UnalignedLayoutStrategy = class extends LayoutStrategy {
         // Sort windows vertically to minimize travel distance.
         // This affects what rows the windows get placed in.
         let sortedWindows = windows.slice();
-        sortedWindows.sort((a, b) => {
-            let aCenter = a.realWindow.y + a.realWindow.height / 2;
-            let bCenter = b.realWindow.y + b.realWindow.height / 2;
-            return aCenter - bCenter;
-        });
+        sortedWindows.sort((a, b) => a.windowCenter.y - b.windowCenter.y);
 
         let windowIdx = 0;
         for (let i = 0; i < numRows; i++) {
@@ -1093,23 +1115,14 @@ function rectEqual(one, two) {
             one.height == two.height);
 }
 
-const WorkspaceActor = GObject.registerClass(
-class WorkspaceActor extends St.Widget {
-    vfunc_get_focus_chain() {
-        return this.get_children().filter(c => c.visible).sort((a, b) => {
-            if (a instanceof WindowClone && b instanceof WindowClone)
-                return a.slotId - b.slotId;
-
-            return 0;
-        });
-    }
-});
-
 /**
  * @metaWorkspace: a #Meta.Workspace, or null
  */
-var Workspace = class {
-    constructor(metaWorkspace, monitorIndex) {
+var Workspace = GObject.registerClass(
+class Workspace extends St.Widget {
+    _init(metaWorkspace, monitorIndex) {
+        super._init({ style_class: 'window-picker' });
+
         // When dragging a window, we use this slot for reserve space.
         this._reservedSlot = null;
         this._reservedSlotWindow = null;
@@ -1135,18 +1148,17 @@ var Workspace = class {
         // Without this the drop area will be overlapped.
         this._windowOverlaysGroup.set_size(0, 0);
 
-        this.actor = new WorkspaceActor({ style_class: 'window-picker' });
         if (monitorIndex != Main.layoutManager.primaryIndex)
-            this.actor.add_style_class_name('external-monitor');
-        this.actor.set_size(0, 0);
+            this.add_style_class_name('external-monitor');
+        this.set_size(0, 0);
 
         this._dropRect = new Clutter.Actor({ opacity: 0 });
         this._dropRect._delegate = this;
 
-        this.actor.add_actor(this._dropRect);
-        this.actor.add_actor(this._windowOverlaysGroup);
+        this.add_actor(this._dropRect);
+        this.add_actor(this._windowOverlaysGroup);
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
 
         let windows = global.get_window_actors().filter(this._isMyWindow, this);
 
@@ -1176,10 +1188,19 @@ var Workspace = class {
 
         this._positionWindowsFlags = 0;
         this._positionWindowsId = 0;
+    }
 
-        this.actor.connect('notify::mapped', () => {
-            if (this.actor.mapped)
-                this._syncActualGeometry();
+    vfunc_map() {
+        super.vfunc_map();
+        this._syncActualGeometry();
+    }
+
+    vfunc_get_focus_chain() {
+        return this.get_children().filter(c => c.visible).sort((a, b) => {
+            if (a instanceof WindowClone && b instanceof WindowClone)
+                return a.slotId - b.slotId;
+
+            return 0;
         });
     }
 
@@ -1189,7 +1210,7 @@ var Workspace = class {
 
         this._fullGeometry = geom;
 
-        if (this.actor.mapped)
+        if (this.mapped)
             this._recalculateWindowPositions(WindowPositionFlags.NONE);
     }
 
@@ -1200,7 +1221,7 @@ var Workspace = class {
         this._actualGeometry = geom;
         this._actualGeometryDirty = true;
 
-        if (this.actor.mapped)
+        if (this.mapped)
             this._syncActualGeometry();
     }
 
@@ -1212,7 +1233,7 @@ var Workspace = class {
 
         this._actualGeometryLater = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
             this._actualGeometryLater = 0;
-            if (!this.actor.mapped)
+            if (!this.mapped)
                 return false;
 
             let geom = this._actualGeometry;
@@ -1503,8 +1524,7 @@ var Workspace = class {
             // Newly-created windows are added to a workspace before
             // the compositor finds out about them...
             let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
-                if (this.actor &&
-                    metaWin.get_compositor_private() &&
+                if (metaWin.get_compositor_private() &&
                     metaWin.get_workspace() == this.metaWorkspace)
                     this._doAddWindow(metaWin);
                 return GLib.SOURCE_REMOVE;
@@ -1540,8 +1560,8 @@ var Workspace = class {
         let [clone, overlay_] = this._addWindowClone(win, false);
 
         if (win._overviewHint) {
-            let x = win._overviewHint.x - this.actor.x;
-            let y = win._overviewHint.y - this.actor.y;
+            let x = win._overviewHint.x - this.x;
+            let y = win._overviewHint.y - this.y;
             let scale = win._overviewHint.scale;
             delete win._overviewHint;
 
@@ -1776,10 +1796,6 @@ var Workspace = class {
         }
     }
 
-    destroy() {
-        this.actor.destroy();
-    }
-
     _onDestroy() {
         if (this._overviewHiddenId) {
             Main.overview.disconnect(this._overviewHiddenId);
@@ -1860,11 +1876,11 @@ var Workspace = class {
             this._removeWindowClone(clone.metaWindow);
         });
 
-        this.actor.add_actor(clone);
+        this.add_actor(clone);
 
         overlay.connect('chrome-visible', () => {
             let focus = global.stage.key_focus;
-            if (focus == null || this.actor.contains(focus))
+            if (focus == null || this.contains(focus))
                 clone.grab_key_focus();
 
             this._windowOverlays.forEach(o => {
@@ -1948,7 +1964,7 @@ var Workspace = class {
     }
 
     _getSpacingAndPadding() {
-        let node = this.actor.get_theme_node();
+        let node = this.get_theme_node();
 
         // Window grid spacing
         let columnSpacing = node.get_length('-horizontal-spacing');
@@ -1993,13 +2009,20 @@ var Workspace = class {
     handleDragOver(source, _actor, _x, _y, _time) {
         if (source.realWindow && !this._isMyWindow(source.realWindow))
             return DND.DragMotionResult.MOVE_DROP;
-        if (source.shellWorkspaceLaunch)
+        if (source.app && source.app.can_open_new_window())
+            return DND.DragMotionResult.COPY_DROP;
+        if (!source.app && source.shellWorkspaceLaunch)
             return DND.DragMotionResult.COPY_DROP;
 
         return DND.DragMotionResult.CONTINUE;
     }
 
     acceptDrop(source, actor, x, y, time) {
+        let workspaceManager = global.workspace_manager;
+        let workspaceIndex = this.metaWorkspace
+            ? this.metaWorkspace.index()
+            : workspaceManager.get_active_workspace_index();
+
         if (source.realWindow) {
             let win = source.realWindow;
             if (this._isMyWindow(win))
@@ -2021,17 +2044,22 @@ var Workspace = class {
             if (metaWindow.get_monitor() != this.monitorIndex)
                 metaWindow.move_to_monitor(this.monitorIndex);
 
-            let workspaceManager = global.workspace_manager;
-            let index = this.metaWorkspace ? this.metaWorkspace.index() : workspaceManager.get_active_workspace_index();
-            metaWindow.change_workspace_by_index(index, false);
+            metaWindow.change_workspace_by_index(workspaceIndex, false);
             return true;
-        } else if (source.shellWorkspaceLaunch) {
-            source.shellWorkspaceLaunch({ workspace: this.metaWorkspace ? this.metaWorkspace.index() : -1,
+        } else if (source.app && source.app.can_open_new_window()) {
+            if (source.animateLaunchAtPos)
+                source.animateLaunchAtPos(actor.x, actor.y);
+
+            source.app.open_new_window(workspaceIndex);
+            return true;
+        } else if (!source.app && source.shellWorkspaceLaunch) {
+            // While unused in our own drag sources, shellWorkspaceLaunch allows
+            // extensions to define custom actions for their drag sources.
+            source.shellWorkspaceLaunch({ workspace: workspaceIndex,
                                           timestamp: time });
             return true;
         }
 
         return false;
     }
-};
-Signals.addSignalMethods(Workspace.prototype);
+});

js/ui/workspaceThumbnail.js

@@ -2,7 +2,6 @@
 /* exported WorkspaceThumbnail, ThumbnailsBox */
 
 const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
-const Signals = imports.signals;
 
 const Background = imports.ui.background;
 const DND = imports.ui.dnd;
@@ -44,36 +43,40 @@ class PrimaryActorLayout extends Clutter.FixedLayout {
     }
 });
 
-var WindowClone = class {
-    constructor(realWindow) {
-        this.clone = new Clutter.Clone({ source: realWindow });
+var WindowClone = GObject.registerClass({
+    GTypeName: 'WorkspaceThumbnail_WindowClone',
+    Signals: {
+        'drag-begin': {},
+        'drag-cancelled': {},
+        'drag-end': {},
+        'selected': { param_types: [GObject.TYPE_UINT] },
+    }
+}, class WindowClone extends Clutter.Actor {
+    _init(realWindow) {
+        let clone = new Clutter.Clone({ source: realWindow });
+        super._init({
+            layout_manager: new PrimaryActorLayout(clone),
+            reactive: true
+        });
+        this._delegate = this;
 
-        /* Can't use a Shell.GenericContainer because of DND and reparenting... */
-        this.actor = new Clutter.Actor({ layout_manager: new PrimaryActorLayout(this.clone),
-                                         reactive: true });
-        this.actor._delegate = this;
-        this.actor.add_child(this.clone);
+        this.add_child(clone);
         this.realWindow = realWindow;
         this.metaWindow = realWindow.meta_window;
 
-        this.clone._updateId = this.realWindow.connect('notify::position',
-                                                       this._onPositionChanged.bind(this));
-        this.clone._destroyId = this.realWindow.connect('destroy', () => {
+        clone._updateId = this.realWindow.connect('notify::position',
+                                                  this._onPositionChanged.bind(this));
+        clone._destroyId = this.realWindow.connect('destroy', () => {
             // First destroy the clone and then destroy everything
             // This will ensure that we never see it in the _disconnectSignals loop
-            this.clone.destroy();
+            clone.destroy();
             this.destroy();
         });
         this._onPositionChanged();
 
-        this.actor.connect('button-release-event',
-                           this._onButtonRelease.bind(this));
-        this.actor.connect('touch-event',
-                           this._onTouchEvent.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-
-        this._draggable = DND.makeDraggable(this.actor,
+        this._draggable = DND.makeDraggable(this,
                                             { restoreOnSuccess: true,
                                               dragActorMaxSize: Workspace.WINDOW_DND_SIZE,
                                               dragActorOpacity: Workspace.DRAGGING_WINDOW_OPACITY });
@@ -124,13 +127,9 @@ var WindowClone = class {
 
         let actualAbove = this.getActualStackAbove();
         if (actualAbove == null)
-            this.actor.lower_bottom();
+            this.lower_bottom();
         else
-            this.actor.raise(actualAbove);
-    }
-
-    destroy() {
-        this.actor.destroy();
+            this.raise(actualAbove);
     }
 
     addAttachedDialog(win) {
@@ -147,7 +146,7 @@ var WindowClone = class {
         clone._destroyId = realDialog.connect('destroy', () => {
             clone.destroy();
         });
-        this.actor.add_child(clone);
+        this.add_child(clone);
     }
 
     _updateDialogPosition(realDialog, cloneDialog) {
@@ -159,11 +158,11 @@ var WindowClone = class {
     }
 
     _onPositionChanged() {
-        this.actor.set_position(this.realWindow.x, this.realWindow.y);
+        this.set_position(this.realWindow.x, this.realWindow.y);
     }
 
     _disconnectSignals() {
-        this.actor.get_children().forEach(child => {
+        this.get_children().forEach(child => {
             let realWindow = child.source;
 
             realWindow.disconnect(child._updateId);
@@ -174,28 +173,30 @@ var WindowClone = class {
     _onDestroy() {
         this._disconnectSignals();
 
-        this.actor._delegate = null;
+        this._delegate = null;
 
         if (this.inDrag) {
             this.emit('drag-end');
             this.inDrag = false;
         }
-
-        this.disconnectAll();
     }
 
-    _onButtonRelease(actor, event) {
-        this.emit('selected', event.get_time());
+    vfunc_button_press_event() {
+        return Clutter.EVENT_STOP;
+    }
+
+    vfunc_button_release_event(buttonEvent) {
+        this.emit('selected', buttonEvent.time);
 
         return Clutter.EVENT_STOP;
     }
 
-    _onTouchEvent(actor, event) {
-        if (event.type() != Clutter.EventType.TOUCH_END ||
-            !global.display.is_pointer_emulating_sequence(event.get_event_sequence()))
+    vfunc_touch_event(touchEvent) {
+        if (touchEvent.type != Clutter.EventType.TOUCH_END ||
+            !global.display.is_pointer_emulating_sequence(touchEvent.sequence))
             return Clutter.EVENT_PROPAGATE;
 
-        this.emit('selected', event.get_time());
+        this.emit('selected', touchEvent.time);
         return Clutter.EVENT_STOP;
     }
 
@@ -214,18 +215,17 @@ var WindowClone = class {
         // We may not have a parent if DnD completed successfully, in
         // which case our clone will shortly be destroyed and replaced
         // with a new one on the target workspace.
-        if (this.actor.get_parent() != null) {
+        if (this.get_parent() != null) {
             if (this._stackAbove == null)
-                this.actor.lower_bottom();
+                this.lower_bottom();
             else
-                this.actor.raise(this._stackAbove);
+                this.raise(this._stackAbove);
         }
 
 
         this.emit('drag-end');
     }
-};
-Signals.addSignalMethods(WindowClone.prototype);
+});
 
 
 var ThumbnailState = {
@@ -340,7 +340,7 @@ var WorkspaceThumbnail = GObject.registerClass({
                 clone.setStackAbove(this._bgManager.backgroundActor);
             } else {
                 let previousClone = this._windows[i - 1];
-                clone.setStackAbove(previousClone.actor);
+                clone.setStackAbove(previousClone);
             }
         }
     }
@@ -522,15 +522,15 @@ var WorkspaceThumbnail = GObject.registerClass({
         clone.connect('drag-end', () => {
             Main.overview.endWindowDrag(clone.metaWindow);
         });
-        clone.actor.connect('destroy', () => {
+        clone.connect('destroy', () => {
             this._removeWindowClone(clone.metaWindow);
         });
-        this._contents.add_actor(clone.actor);
+        this._contents.add_actor(clone);
 
         if (this._windows.length == 0)
             clone.setStackAbove(this._bgManager.backgroundActor);
         else
-            clone.setStackAbove(this._windows[this._windows.length - 1].actor);
+            clone.setStackAbove(this._windows[this._windows.length - 1]);
 
         this._windows.push(clone);
 
@@ -561,7 +561,7 @@ var WorkspaceThumbnail = GObject.registerClass({
     }
 
     // Draggable target interface used only by ThumbnailsBox
-    handleDragOverInternal(source, time) {
+    handleDragOverInternal(source, actor, time) {
         if (source == Main.xdndHandler) {
             this.metaWorkspace.activate(time);
             return DND.DragMotionResult.CONTINUE;
@@ -572,13 +572,15 @@ var WorkspaceThumbnail = GObject.registerClass({
 
         if (source.realWindow && !this._isMyWindow(source.realWindow))
             return DND.DragMotionResult.MOVE_DROP;
-        if (source.shellWorkspaceLaunch)
+        if (source.app && source.app.can_open_new_window())
+            return DND.DragMotionResult.COPY_DROP;
+        if (!source.app && source.shellWorkspaceLaunch)
             return DND.DragMotionResult.COPY_DROP;
 
         return DND.DragMotionResult.CONTINUE;
     }
 
-    acceptDropInternal(source, time) {
+    acceptDropInternal(source, actor, time) {
         if (this.state > ThumbnailState.NORMAL)
             return false;
 
@@ -597,8 +599,16 @@ var WorkspaceThumbnail = GObject.registerClass({
 
             metaWindow.change_workspace_by_index(this.metaWorkspace.index(), false);
             return true;
-        } else if (source.shellWorkspaceLaunch) {
-            source.shellWorkspaceLaunch({ workspace: this.metaWorkspace ? this.metaWorkspace.index() : -1,
+        } else if (source.app && source.app.can_open_new_window()) {
+            if (source.animateLaunchAtPos)
+                source.animateLaunchAtPos(actor.x, actor.y);
+
+            source.app.open_new_window(this.metaWorkspace.index());
+            return true;
+        } else if (!source.app && source.shellWorkspaceLaunch) {
+            // While unused in our own drag sources, shellWorkspaceLaunch allows
+            // extensions to define custom actions for their drag sources.
+            source.shellWorkspaceLaunch({ workspace: this.metaWorkspace.index(),
                                           timestamp: time });
             return true;
         }
@@ -658,10 +668,6 @@ var ThumbnailsBox = GObject.registerClass({
 
         this._thumbnails = [];
 
-        this.connect('button-press-event', () => Clutter.EVENT_STOP);
-        this.connect('button-release-event', this._onButtonRelease.bind(this));
-        this.connect('touch-event', this._onTouchEvent.bind(this));
-
         Main.overview.connect('showing',
                               this._createThumbnails.bind(this));
         Main.overview.connect('hidden',
@@ -718,17 +724,17 @@ var ThumbnailsBox = GObject.registerClass({
             thumbnail.activate(time);
     }
 
-    _onButtonRelease(actor, event) {
-        let [stageX, stageY] = event.get_coords();
-        this._activateThumbnailAtPoint(stageX, stageY, event.get_time());
+    vfunc_button_release_event(buttonEvent) {
+        let { x, y } = buttonEvent;
+        this._activateThumbnailAtPoint(x, y, buttonEvent.time);
         return Clutter.EVENT_STOP;
     }
 
-    _onTouchEvent(actor, event) {
-        if (event.type() == Clutter.EventType.TOUCH_END &&
-            global.display.is_pointer_emulating_sequence(event.get_event_sequence())) {
-            let [stageX, stageY] = event.get_coords();
-            this._activateThumbnailAtPoint(stageX, stageY, event.get_time());
+    vfunc_touch_event(touchEvent) {
+        if (touchEvent.type == Clutter.EventType.TOUCH_END &&
+            global.display.is_pointer_emulating_sequence(touchEvent.sequence)) {
+            let { x, y } = touchEvent;
+            this._activateThumbnailAtPoint(x, y, touchEvent.time);
         }
 
         return Clutter.EVENT_STOP;
@@ -779,7 +785,10 @@ var ThumbnailsBox = GObject.registerClass({
 
     // Draggable target interface
     handleDragOver(source, actor, x, y, time) {
-        if (!source.realWindow && !source.shellWorkspaceLaunch && source != Main.xdndHandler)
+        if (!source.realWindow &&
+            (!source.app || !source.app.can_open_new_window()) &&
+            (source.app || !source.shellWorkspaceLaunch) &&
+            source != Main.xdndHandler)
             return DND.DragMotionResult.CONTINUE;
 
         let canCreateWorkspaces = Meta.prefs_get_dynamic_workspaces();
@@ -825,7 +834,7 @@ var ThumbnailsBox = GObject.registerClass({
         }
 
         if (this._dropWorkspace != -1)
-            return this._thumbnails[this._dropWorkspace].handleDragOverInternal(source, time);
+            return this._thumbnails[this._dropWorkspace].handleDragOverInternal(source, actor, time);
         else if (this._dropPlaceholderPos != -1)
             return source.realWindow ? DND.DragMotionResult.MOVE_DROP : DND.DragMotionResult.COPY_DROP;
         else
@@ -834,9 +843,11 @@ var ThumbnailsBox = GObject.registerClass({
 
     acceptDrop(source, actor, x, y, time) {
         if (this._dropWorkspace != -1) {
-            return this._thumbnails[this._dropWorkspace].acceptDropInternal(source, time);
+            return this._thumbnails[this._dropWorkspace].acceptDropInternal(source, actor, time);
         } else if (this._dropPlaceholderPos != -1) {
-            if (!source.realWindow && !source.shellWorkspaceLaunch)
+            if (!source.realWindow &&
+                (!source.app || !source.app.can_open_new_window()) &&
+                (source.app || !source.shellWorkspaceLaunch))
                 return false;
 
             let isWindow = !!source.realWindow;
@@ -853,9 +864,19 @@ var ThumbnailsBox = GObject.registerClass({
                 if (source.metaWindow.get_monitor() != thumbMonitor)
                     source.metaWindow.move_to_monitor(thumbMonitor);
                 source.metaWindow.change_workspace_by_index(newWorkspaceIndex, true);
-            } else if (source.shellWorkspaceLaunch) {
+            } else if (source.app && source.app.can_open_new_window()) {
+                if (source.animateLaunchAtPos)
+                    source.animateLaunchAtPos(actor.x, actor.y);
+
+                source.app.open_new_window(newWorkspaceIndex);
+            } else if (!source.app && source.shellWorkspaceLaunch) {
+                // While unused in our own drag sources, shellWorkspaceLaunch allows
+                // extensions to define custom actions for their drag sources.
                 source.shellWorkspaceLaunch({ workspace: newWorkspaceIndex,
                                               timestamp: time });
+            }
+
+            if (source.app || (!source.app && source.shellWorkspaceLaunch)) {
                 // This new workspace will be automatically removed if the application fails
                 // to open its first window within some time, as tracked by Shell.WindowTracker.
                 // Here, we only add a very brief timeout to avoid the _immediate_ removal of the

js/ui/workspacesView.js

@@ -1,8 +1,7 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
-/* exported WorkspacesView */
+/* exported WorkspacesView, WorkspacesDisplay */
 
 const { Clutter, Gio, GObject, Meta, Shell, St } = imports.gi;
-const Signals = imports.signals;
 
 const Main = imports.ui.main;
 const WindowManager = imports.ui.windowManager;
@@ -17,15 +16,16 @@ var AnimationType = {
 
 const MUTTER_SCHEMA = 'org.gnome.mutter';
 
-var WorkspacesViewBase = class {
-    constructor(monitorIndex) {
-        this.actor = new St.Widget({ style_class: 'workspaces-view',
-                                     reactive: true });
-        this.actor.connect('destroy', this._onDestroy.bind(this));
-        global.focus_manager.add_group(this.actor);
+var WorkspacesViewBase = GObject.registerClass({
+    GTypeFlags: GObject.TypeFlags.ABSTRACT
+}, class WorkspacesViewBase extends St.Widget {
+    _init(monitorIndex) {
+        super._init({ style_class: 'workspaces-view', reactive: true });
+        this.connect('destroy', this._onDestroy.bind(this));
+        global.focus_manager.add_group(this);
 
         // The actor itself isn't a drop target, so we don't want to pick on its area
-        this.actor.set_size(0, 0);
+        this.set_size(0, 0);
 
         this._monitorIndex = monitorIndex;
 
@@ -60,10 +60,6 @@ var WorkspacesViewBase = class {
         this._setReservedSlot(null);
     }
 
-    destroy() {
-        this.actor.destroy();
-    }
-
     setFullGeometry(geom) {
         this._fullGeometry = geom;
         this._syncFullGeometry();
@@ -73,13 +69,14 @@ var WorkspacesViewBase = class {
         this._actualGeometry = geom;
         this._syncActualGeometry();
     }
-};
+});
 
-var WorkspacesView = class extends WorkspacesViewBase {
-    constructor(monitorIndex) {
+var WorkspacesView = GObject.registerClass(
+class WorkspacesView extends WorkspacesViewBase {
+    _init(monitorIndex) {
         let workspaceManager = global.workspace_manager;
 
-        super(monitorIndex);
+        super._init(monitorIndex);
 
         this._animating = false; // tweening
         this._scrolling = false; // swipe-scrolling
@@ -112,8 +109,8 @@ var WorkspacesView = class extends WorkspacesViewBase {
 
         this._overviewShownId =
             Main.overview.connect('shown', () => {
-                this.actor.set_clip(this._fullGeometry.x, this._fullGeometry.y,
-                                    this._fullGeometry.width, this._fullGeometry.height);
+                this.set_clip(this._fullGeometry.x, this._fullGeometry.y,
+                              this._fullGeometry.width, this._fullGeometry.height);
             });
 
         this._switchWorkspaceNotifyId =
@@ -153,7 +150,7 @@ var WorkspacesView = class extends WorkspacesViewBase {
     }
 
     animateFromOverview(animationType) {
-        this.actor.remove_clip();
+        this.remove_clip();
 
         for (let w = 0; w < this._workspaces.length; w++) {
             if (animationType == AnimationType.ZOOM)
@@ -187,12 +184,12 @@ var WorkspacesView = class extends WorkspacesViewBase {
         for (let w = 0; w < this._workspaces.length; w++) {
             let workspace = this._workspaces[w];
 
-            workspace.actor.remove_all_transitions();
+            workspace.remove_all_transitions();
 
             let params = {};
             if (workspaceManager.layout_rows == -1)
                 params.y = (w - active) * this._fullGeometry.height;
-            else if (this.actor.text_direction == Clutter.TextDirection.RTL)
+            else if (this.text_direction == Clutter.TextDirection.RTL)
                 params.x = (active - w) * this._fullGeometry.width;
             else
                 params.x = (w - active) * this._fullGeometry.width;
@@ -212,9 +209,9 @@ var WorkspacesView = class extends WorkspacesViewBase {
                         this._updateVisibility();
                     };
                 }
-                workspace.actor.ease(easeParams);
+                workspace.ease(easeParams);
             } else {
-                workspace.actor.set(params);
+                workspace.set(params);
                 if (w == 0)
                     this._updateVisibility();
             }
@@ -228,12 +225,12 @@ var WorkspacesView = class extends WorkspacesViewBase {
         for (let w = 0; w < this._workspaces.length; w++) {
             let workspace = this._workspaces[w];
             if (this._animating || this._scrolling || this._gestureActive) {
-                workspace.actor.show();
+                workspace.show();
             } else {
                 if (this._inDrag)
-                    workspace.actor.visible = (Math.abs(w - active) <= 1);
+                    workspace.visible = (Math.abs(w - active) <= 1);
                 else
-                    workspace.actor.visible = (w == active);
+                    workspace.visible = (w == active);
             }
         }
     }
@@ -247,7 +244,7 @@ var WorkspacesView = class extends WorkspacesViewBase {
         this.scrollAdjustment.ease(index, {
             mode: Clutter.AnimationMode.EASE_OUT_QUAD,
             duration: WORKSPACE_SWITCH_TIME,
-            onComplete: () => this._animatingScroll = false
+            onComplete: () => (this._animatingScroll = false)
         });
     }
 
@@ -263,7 +260,7 @@ var WorkspacesView = class extends WorkspacesViewBase {
 
             if (j >= this._workspaces.length) { /* added */
                 workspace = new Workspace.Workspace(metaWorkspace, this._monitorIndex);
-                this.actor.add_actor(workspace.actor);
+                this.add_actor(workspace);
                 this._workspaces[j] = workspace;
             } else  {
                 workspace = this._workspaces[j];
@@ -355,8 +352,8 @@ var WorkspacesView = class extends WorkspacesViewBase {
         let last = this._workspaces.length - 1;
 
         if (workspaceManager.layout_rows == -1) {
-            let firstWorkspaceY = this._workspaces[0].actor.y;
-            let lastWorkspaceY = this._workspaces[last].actor.y;
+            let firstWorkspaceY = this._workspaces[0].y;
+            let lastWorkspaceY = this._workspaces[last].y;
             let workspacesHeight = lastWorkspaceY - firstWorkspaceY;
 
             let currentY = firstWorkspaceY;
@@ -365,12 +362,12 @@ var WorkspacesView = class extends WorkspacesViewBase {
             let dy = newY - currentY;
 
             for (let i = 0; i < this._workspaces.length; i++) {
-                this._workspaces[i].actor.visible = Math.abs(i - adj.value) <= 1;
-                this._workspaces[i].actor.y += dy;
+                this._workspaces[i].visible = Math.abs(i - adj.value) <= 1;
+                this._workspaces[i].y += dy;
             }
         } else {
-            let firstWorkspaceX = this._workspaces[0].actor.x;
-            let lastWorkspaceX = this._workspaces[last].actor.x;
+            let firstWorkspaceX = this._workspaces[0].x;
+            let lastWorkspaceX = this._workspaces[last].x;
             let workspacesWidth = lastWorkspaceX - firstWorkspaceX;
 
             let currentX = firstWorkspaceX;
@@ -379,19 +376,19 @@ var WorkspacesView = class extends WorkspacesViewBase {
             let dx = newX - currentX;
 
             for (let i = 0; i < this._workspaces.length; i++) {
-                this._workspaces[i].actor.visible = Math.abs(i - adj.value) <= 1;
-                this._workspaces[i].actor.x += dx;
+                this._workspaces[i].visible = Math.abs(i - adj.value) <= 1;
+                this._workspaces[i].x += dx;
             }
         }
     }
-};
-Signals.addSignalMethods(WorkspacesView.prototype);
+});
 
-var ExtraWorkspaceView = class extends WorkspacesViewBase {
-    constructor(monitorIndex) {
-        super(monitorIndex);
+var ExtraWorkspaceView = GObject.registerClass(
+class ExtraWorkspaceView extends WorkspacesViewBase {
+    _init(monitorIndex) {
+        super._init(monitorIndex);
         this._workspace = new Workspace.Workspace(null, monitorIndex);
-        this.actor.add_actor(this._workspace.actor);
+        this.add_actor(this._workspace);
     }
 
     _setReservedSlot(window) {
@@ -439,21 +436,13 @@ var ExtraWorkspaceView = class extends WorkspacesViewBase {
 
     endTouchGesture() {
     }
-};
-
-var DelegateFocusNavigator = GObject.registerClass(
-class DelegateFocusNavigator extends St.Widget {
-    vfunc_navigate_focus(from, direction) {
-        return this._delegate.navigateFocus(from, direction);
-    }
 });
 
-var WorkspacesDisplay = class {
-    constructor() {
-        this.actor = new DelegateFocusNavigator({ clip_to_allocation: true });
-        this.actor._delegate = this;
-        this.actor.connect('notify::allocation', this._updateWorkspacesActualGeometry.bind(this));
-        this.actor.connect('parent-set', this._parentSet.bind(this));
+var WorkspacesDisplay = GObject.registerClass(
+class WorkspacesDisplay extends St.Widget {
+    _init() {
+        super._init({ clip_to_allocation: true });
+        this.connect('notify::allocation', this._updateWorkspacesActualGeometry.bind(this));
 
         let clickAction = new Clutter.ClickAction();
         clickAction.connect('clicked', action => {
@@ -467,7 +456,7 @@ var WorkspacesDisplay = class {
                 Main.overview.hide();
         });
         Main.overview.addAction(clickAction);
-        this.actor.bind_property('mapped', clickAction, 'enabled', GObject.BindingFlags.SYNC_CREATE);
+        this.bind_property('mapped', clickAction, 'enabled', GObject.BindingFlags.SYNC_CREATE);
 
         let panAction = new Clutter.PanAction({ threshold_trigger_edge: Clutter.GestureTriggerEdge.AFTER });
         panAction.connect('pan', this._onPan.bind(this));
@@ -490,7 +479,7 @@ var WorkspacesDisplay = class {
             this._endSwipeScroll();
         });
         Main.overview.addAction(panAction);
-        this.actor.bind_property('mapped', panAction, 'enabled', GObject.BindingFlags.SYNC_CREATE);
+        this.bind_property('mapped', panAction, 'enabled', GObject.BindingFlags.SYNC_CREATE);
 
         let allowedModes = Shell.ActionMode.OVERVIEW;
         let switchGesture = new WindowManager.WorkspaceSwitchAction(allowedModes);
@@ -498,20 +487,15 @@ var WorkspacesDisplay = class {
         switchGesture.connect('activated', this._onSwitchWorkspaceActivated.bind(this));
         switchGesture.connect('cancel', this._endTouchGesture.bind(this));
         Main.overview.addAction(switchGesture);
-        this.actor.bind_property('mapped', switchGesture, 'enabled', GObject.BindingFlags.SYNC_CREATE);
+        this.bind_property('mapped', switchGesture, 'enabled', GObject.BindingFlags.SYNC_CREATE);
 
         switchGesture = new WindowManager.TouchpadWorkspaceSwitchAction(global.stage, allowedModes);
         switchGesture.connect('motion', this._onSwitchWorkspaceMotion.bind(this));
         switchGesture.connect('activated', this._onSwitchWorkspaceActivated.bind(this));
         switchGesture.connect('cancel', this._endTouchGesture.bind(this));
-        this.actor.connect('notify::mapped', () => {
-            switchGesture.enabled = this.actor.mapped;
-        });
 
         this._primaryIndex = Main.layoutManager.primaryIndex;
-
         this._workspacesViews = [];
-        switchGesture.enabled = this.actor.mapped;
 
         this._settings = new Gio.Settings({ schema_id: MUTTER_SCHEMA });
         this._settings.connect('changed::workspaces-only-on-primary',
@@ -525,12 +509,12 @@ var WorkspacesDisplay = class {
 
         this._fullGeometry = null;
 
-        this.actor.connect('destroy', this._onDestroy.bind(this));
+        this.connect('destroy', this._onDestroy.bind(this));
     }
 
     _onDestroy() {
         if (this._notifyOpacityId) {
-            let parent = this.actor.get_parent();
+            let parent = this.get_parent();
             if (parent)
                 parent.disconnect(this._notifyOpacityId);
             this._notifyOpacityId = 0;
@@ -546,11 +530,11 @@ var WorkspacesDisplay = class {
         let [dist_, dx, dy] = action.get_motion_delta(0);
         let adjustment = this._scrollAdjustment;
         if (global.workspace_manager.layout_rows == -1)
-            adjustment.value -= (dy / this.actor.height) * adjustment.page_size;
-        else if (this.actor.text_direction == Clutter.TextDirection.RTL)
-            adjustment.value += (dx / this.actor.width) * adjustment.page_size;
+            adjustment.value -= (dy / this.height) * adjustment.page_size;
+        else if (this.text_direction == Clutter.TextDirection.RTL)
+            adjustment.value += (dx / this.width) * adjustment.page_size;
         else
-            adjustment.value -= (dx / this.actor.width) * adjustment.page_size;
+            adjustment.value -= (dx / this.width) * adjustment.page_size;
         return false;
     }
 
@@ -583,11 +567,11 @@ var WorkspacesDisplay = class {
         let active = workspaceManager.get_active_workspace_index();
         let adjustment = this._scrollAdjustment;
         if (workspaceManager.layout_rows == -1)
-            adjustment.value = (active - yRel / this.actor.height) * adjustment.page_size;
-        else if (this.actor.text_direction == Clutter.TextDirection.RTL)
-            adjustment.value = (active + xRel / this.actor.width) * adjustment.page_size;
+            adjustment.value = (active - yRel / this.height) * adjustment.page_size;
+        else if (this.text_direction == Clutter.TextDirection.RTL)
+            adjustment.value = (active + xRel / this.width) * adjustment.page_size;
         else
-            adjustment.value = (active - xRel / this.actor.width) * adjustment.page_size;
+            adjustment.value = (active - xRel / this.width) * adjustment.page_size;
     }
 
     _onSwitchWorkspaceActivated(action, direction) {
@@ -600,8 +584,8 @@ var WorkspacesDisplay = class {
         this._endTouchGesture();
     }
 
-    navigateFocus(from, direction) {
-        return this._getPrimaryView().actor.navigate_focus(from, direction, false);
+    vfunc_navigate_focus(from, direction) {
+        return this._getPrimaryView().navigate_focus(from, direction, false);
     }
 
     show(fadeOnPrimary) {
@@ -677,7 +661,7 @@ var WorkspacesDisplay = class {
             else
                 view = new WorkspacesView(i);
 
-            view.actor.connect('scroll-event', this._onScrollEvent.bind(this));
+            view.connect('scroll-event', this._onScrollEvent.bind(this));
             if (i == this._primaryIndex) {
                 this._scrollAdjustment = view.scrollAdjustment;
                 this._scrollAdjustment.connect('notify::value',
@@ -685,13 +669,13 @@ var WorkspacesDisplay = class {
             }
 
             // HACK: Avoid spurious allocation changes while updating views
-            view.actor.hide();
+            view.hide();
 
             this._workspacesViews.push(view);
-            Main.layoutManager.overviewGroup.add_actor(view.actor);
+            Main.layoutManager.overviewGroup.add_actor(view);
         }
 
-        this._workspacesViews.forEach(v => v.actor.show());
+        this._workspacesViews.forEach(v => v.show());
 
         this._updateWorkspacesFullGeometry();
         this._updateWorkspacesActualGeometry();
@@ -728,7 +712,7 @@ var WorkspacesDisplay = class {
         return this._getPrimaryView().getActiveWorkspace().hasMaximizedWindows();
     }
 
-    _parentSet(actor, oldParent) {
+    vfunc_parent_set(oldParent) {
         if (oldParent && this._notifyOpacityId)
             oldParent.disconnect(this._notifyOpacityId);
         this._notifyOpacityId = 0;
@@ -738,20 +722,20 @@ var WorkspacesDisplay = class {
 
         this._parentSetLater = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
             this._parentSetLater = 0;
-            let newParent = this.actor.get_parent();
+            let newParent = this.get_parent();
             if (!newParent)
                 return;
 
             // This is kinda hackish - we want the primary view to
-            // appear as parent of this.actor, though in reality it
+            // appear as parent of this, though in reality it
             // is added directly to Main.layoutManager.overviewGroup
             this._notifyOpacityId = newParent.connect('notify::opacity', () => {
-                let opacity = this.actor.get_parent().opacity;
+                let opacity = this.get_parent().opacity;
                 let primaryView = this._getPrimaryView();
                 if (!primaryView)
                     return;
-                primaryView.actor.opacity = opacity;
-                primaryView.actor.visible = opacity != 0;
+                primaryView.opacity = opacity;
+                primaryView.visible = opacity != 0;
             });
         });
     }
@@ -779,8 +763,8 @@ var WorkspacesDisplay = class {
         if (!this._workspacesViews.length)
             return;
 
-        let [x, y] = this.actor.get_transformed_position();
-        let allocation = this.actor.allocation;
+        let [x, y] = this.get_transformed_position();
+        let allocation = this.allocation;
         let width = allocation.x2 - allocation.x1;
         let height = allocation.y2 - allocation.y1;
         let primaryGeometry = { x: x, y: y, width: width, height: height };
@@ -798,7 +782,7 @@ var WorkspacesDisplay = class {
     }
 
     _onScrollEvent(actor, event) {
-        if (!this.actor.mapped)
+        if (!this.mapped)
             return Clutter.EVENT_PROPAGATE;
 
         if (this._workspacesOnlyOnPrimary &&
@@ -829,7 +813,7 @@ var WorkspacesDisplay = class {
     }
 
     _onKeyPressEvent(actor, event) {
-        if (!this.actor.mapped)
+        if (!this.mapped)
             return Clutter.EVENT_PROPAGATE;
         let workspaceManager = global.workspace_manager;
         let activeWs = workspaceManager.get_active_workspace();
@@ -847,5 +831,4 @@ var WorkspacesDisplay = class {
         Main.wm.actionMoveWorkspace(ws);
         return Clutter.EVENT_STOP;
     }
-};
-Signals.addSignalMethods(WorkspacesDisplay.prototype);
+});