workspace, workspaceThumbnail: Use window content (WIP)

NEWS

@@ -1,29 +1,3 @@
-3.33.4
-======
-* Fix unintentional interference between gestures [Jonas; !598]
-* Fix unintentional loop while polkit dialog is active [Ray; !602]
-* Fix alt-tab icon size on HiDPI [Jonas; !587]
-* Style fixes and improvements [Frederik, Jakub; !610, #1446, #1449]
-* Fix style updates for non-background CSS properties [Florian; #1212]
-* Fix cursor visibility in screen recordings [Illya; #1208]
-* Add option for disabling the hot corner [Florian; #688320]
-* Use more fine-grained levels in battery indicator [Florian; !561, #1442]
-* Fix the calculation of the maximum number of app search results [Jonas; !110]
-* Handle horizontal workspace layout with gestures/animations [Florian; !575]
-* Improve handling of session mode extensions [Florian, Didier; #789852]
-* Misc. bug fixes and cleanups [Jonas, Florian, Sonny, Carlos, Mario, Benjamin,
-  Marco, Ting-Wei; !599, !600, !591, !606, !152, !607, !604, !495, !608, !611,
-  !614, !612, !615, !618, #369, !620, #774, !621, !616, #1065, !609, !626,
-  !491, !631, !632, !633, #1457]
-
-Contributors:
-  Benjamin Berg, Jonas Dreßler, Frederik Feichtmeier, Carlos Garnacho,
-  Illya Klymov, Ting-Wei Lan, Florian Müllner, Sonny Piers, Mario Sanchez Prada,
-  Didier Roche, Jakub Steiner, Ray Strode, Jor Teron, Marco Trevisan (Treviño)
-
-Translators:
-  Jordi Mas [ca], Jor Teron [mjw]
-
 3.33.3
 ======
 * Prepare for optional X11 [Carlos; !378]

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

@@ -173,30 +173,6 @@
       <arg type="s" direction="in" name="uuid"/>
     </method>
 
-    <!--
-        EnableExtension:
-        @uuid: The UUID of the extension
-        @success: Whether the operation was successful
-
-        Enable an extension.
-    -->
-    <method name="EnableExtension"> \
-      <arg type="s" direction="in" name="uuid"/> \
-      <arg type="b" direction="out" name="success"/> \
-    </method> \
-
-    <!--
-        DisableExtension:
-        @uuid: The UUID of the extension
-        @success: Whether the operation was successful
-
-        Disable an extension.
-    -->
-    <method name="DisableExtension"> \
-      <arg type="s" direction="in" name="uuid"/> \
-      <arg type="b" direction="out" name="success"/> \
-    </method> \
-
     <!--
         LaunchExtensionPrefs:
         @uuid: The UUID of the extension
@@ -213,15 +189,6 @@
     -->
     <method name="CheckForUpdates"/>
 
-    <signal name="ExtensionStateChanged">
-      <arg type="s" name="uuid"/>
-      <arg type="a{sv}" name="state"/>
-    </signal>
-
-    <!--
-        ExtensionStatusChanged:
-        Deprecated for ExtensionStateChanged
-    -->
     <signal name="ExtensionStatusChanged">
       <arg type="s" name="uuid"/>
       <arg type="i" name="state"/>

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

@@ -21,17 +21,6 @@
         EnableExtension and DisableExtension D-Bus methods on org.gnome.Shell.
       </description>
     </key>
-    <key name="disabled-extensions" type="as">
-      <default>[]</default>
-      <summary>UUIDs of extensions to force disabling</summary>
-      <description>
-        GNOME Shell extensions have a UUID property; this key lists extensions
-        which should be disabled, even if loaded as part of the current mode.
-        You can also manipulate this list with the EnableExtension and
-        DisableExtension D-Bus methods on org.gnome.Shell.
-        This key takes precedence over the “enabled-extensions” setting.
-      </description>
-    </key>
     <key name="disable-user-extensions" type="b">
       <default>false</default>
       <summary>Disable user extensions</summary>

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

@@ -624,12 +624,16 @@ StScrollBar {
  *************/
 /* Outline for low res icons */
 .lowres-icon {
-    icon-shadow: 0 1px 2px rgba(0,0,0,0.3);
+    icon-shadow: 0 -1px rgba(0,0,0,0.05),
+      1px 0 rgba(0,0,0,0.1),
+      0 1px rgba(0,0,0,0.3),
+      -1px 0 rgba(0,0,0,0.1);
 }
 
 /* Drapshadow for large icons */
 .icon-dropshadow {
-  icon-shadow: 0 1px 2px rgba(0,0,0,0.4);
+  icon-shadow: 0 2px 12px rgba(0,0,0,0.1),
+               0 1px 2px rgba(0,0,0,0.5);
 }
 
 /* OSD */
@@ -740,8 +744,7 @@ StScrollBar {
     spacing: 8px;
   }
 
-  .ws-switcher-active-up, .ws-switcher-active-down,
-  .ws-switcher-active-left, .ws-switcher-active-right {
+  .ws-switcher-active-up, .ws-switcher-active-down {
     height: 50px;
     background-color: $selected_bg_color;
     color: $selected_fg_color;

js/extensionPrefs/main.js

@@ -8,8 +8,6 @@ const Config = imports.misc.config;
 const ExtensionUtils = imports.misc.extensionUtils;
 const { loadInterfaceXML } = imports.misc.fileUtils;
 
-const { ExtensionState } = ExtensionUtils;
-
 const GnomeShellIface = loadInterfaceXML('org.gnome.Shell.Extensions');
 const GnomeShellProxy = Gio.DBusProxy.makeProxyWrapper(GnomeShellIface);
 
@@ -19,54 +17,74 @@ function stripPrefix(string, prefix) {
     return string;
 }
 
-var Application = GObject.registerClass({
-    GTypeName: 'ExtensionPrefs_Application'
-}, class Application extends Gtk.Application {
-    _init() {
+var Application = class {
+    constructor() {
         GLib.set_prgname('gnome-shell-extension-prefs');
-        super._init({
+        this.application = new Gtk.Application({
             application_id: 'org.gnome.shell.ExtensionPrefs',
             flags: Gio.ApplicationFlags.HANDLES_COMMAND_LINE
         });
 
+        this.application.connect('activate', this._onActivate.bind(this));
+        this.application.connect('command-line', this._onCommandLine.bind(this));
+        this.application.connect('startup', this._onStartup.bind(this));
+
+        this._extensionPrefsModules = {};
+
         this._startupUuid = null;
         this._loaded = false;
         this._skipMainWindow = false;
-        this._shellProxy = null;
     }
 
-    get shellProxy() {
-        return this._shellProxy;
-    }
+    _extensionAvailable(uuid) {
+        let extension = ExtensionUtils.extensions[uuid];
 
-    _showPrefs(uuid) {
-        let row = this._extensionSelector.get_children().find(c => {
-            return c.uuid === uuid && c.hasPrefs;
-        });
-
-        if (!row)
+        if (!extension)
             return false;
 
+        if (!extension.dir.get_child('prefs.js').query_exists(null))
+            return false;
+
+        return true;
+    }
+
+    _getExtensionPrefsModule(extension) {
+        let uuid = extension.metadata.uuid;
+
+        if (this._extensionPrefsModules.hasOwnProperty(uuid))
+            return this._extensionPrefsModules[uuid];
+
+        ExtensionUtils.installImporter(extension);
+
+        let prefsModule = extension.imports.prefs;
+        prefsModule.init(extension.metadata);
+
+        this._extensionPrefsModules[uuid] = prefsModule;
+        return prefsModule;
+    }
+
+    _selectExtension(uuid) {
+        if (!this._extensionAvailable(uuid))
+            return;
+
+        let extension = ExtensionUtils.extensions[uuid];
         let widget;
 
         try {
-            widget = row.prefsModule.buildPrefsWidget();
+            let prefsModule = this._getExtensionPrefsModule(extension);
+            widget = prefsModule.buildPrefsWidget();
         } catch (e) {
-            widget = this._buildErrorUI(row, e);
+            widget = this._buildErrorUI(extension, e);
         }
 
-        let dialog = new Gtk.Window({
-            modal: !this._skipMainWindow,
-            type_hint: Gdk.WindowTypeHint.DIALOG
-        });
-        dialog.set_titlebar(new Gtk.HeaderBar({
-            show_close_button: true,
-            title: row.name,
-            visible: true
-        }));
+        let dialog = new Gtk.Window({ modal: !this._skipMainWindow,
+                                      type_hint: Gdk.WindowTypeHint.DIALOG });
+        dialog.set_titlebar(new Gtk.HeaderBar({ show_close_button: true,
+                                                title: extension.metadata.name,
+                                                visible: true }));
 
         if (this._skipMainWindow) {
-            this.add_window(dialog);
+            this.application.add_window(dialog);
             if (this._window)
                 this._window.destroy();
             this._window = dialog;
@@ -80,7 +98,7 @@ var Application = GObject.registerClass({
         dialog.show();
     }
 
-    _buildErrorUI(row, exc) {
+    _buildErrorUI(extension, exc) {
         let scroll = new Gtk.ScrolledWindow({
             hscrollbar_policy: Gtk.PolicyType.NEVER,
             propagate_natural_height: true
@@ -152,7 +170,7 @@ var Application = GObject.registerClass({
             let clipboard = Gtk.Clipboard.get_default(w.get_display());
             // markdown for pasting in gitlab issues
             let lines = [
-                `The settings of extension ${row.uuid} had an error:`,
+                `The settings of extension ${extension.uuid} had an error:`,
                 '```',
                 `${exc}`,
                 '```',
@@ -174,13 +192,13 @@ var Application = GObject.registerClass({
             label: _("Homepage"),
             tooltip_text: _("Visit extension homepage"),
             no_show_all: true,
-            visible: row.url != null
+            visible: extension.metadata.url != null
         });
         toolbar.add(urlButton);
 
         urlButton.connect('clicked', w => {
             let context = w.get_display().get_app_launch_context();
-            Gio.AppInfo.launch_default_for_uri(row.url, context);
+            Gio.AppInfo.launch_default_for_uri(extension.metadata.url, context);
         });
 
         let expandedBox = new Gtk.Box({
@@ -195,8 +213,8 @@ var Application = GObject.registerClass({
         return scroll;
     }
 
-    _buildUI() {
-        this._window = new Gtk.ApplicationWindow({ application: this,
+    _buildUI(app) {
+        this._window = new Gtk.ApplicationWindow({ application: app,
                                                    window_position: Gtk.WindowPosition.CENTER });
 
         this._window.set_default_size(800, 500);
@@ -230,14 +248,18 @@ var Application = GObject.registerClass({
         this._mainStack.add_named(new EmptyPlaceholder(), 'placeholder');
 
         this._shellProxy = new GnomeShellProxy(Gio.DBus.session, 'org.gnome.Shell', '/org/gnome/Shell');
-        this._shellProxy.connectSignal('ExtensionStateChanged',
-            this._onExtensionStateChanged.bind(this));
+        this._shellProxy.connectSignal('ExtensionStatusChanged', (proxy, senderName, [uuid, state, error]) => {
+            if (ExtensionUtils.extensions[uuid] !== undefined)
+                this._scanExtensions();
+        });
 
         this._window.show_all();
     }
 
     _sortList(row1, row2) {
-        return row1.name.localeCompare(row2.name);
+        let name1 = ExtensionUtils.extensions[row1.uuid].metadata.name;
+        let name2 = ExtensionUtils.extensions[row2.uuid].metadata.name;
+        return name1.localeCompare(name2);
     }
 
     _updateHeader(row, before) {
@@ -248,55 +270,19 @@ var Application = GObject.registerClass({
         row.set_header(sep);
     }
 
-    _findExtensionRow(uuid) {
-        return this._extensionSelector.get_children().find(c => c.uuid === uuid);
-    }
-
-    _onExtensionStateChanged(proxy, senderName, [uuid, newState]) {
-        let row = this._findExtensionRow(uuid);
-        if (row) {
-            let { state } = ExtensionUtils.deserializeExtension(newState);
-            if (state == ExtensionState.UNINSTALLED)
-                row.destroy();
-            return; // we only deal with new and deleted extensions here
-        }
-
-        this._shellProxy.GetExtensionInfoRemote(uuid, ([serialized]) => {
-            let extension = ExtensionUtils.deserializeExtension(serialized);
-            if (!extension)
-                return;
-            // check the extension wasn't added in between
-            if (this._findExtensionRow(uuid) != null)
-                return;
-            this._addExtensionRow(extension);
-        });
-    }
-
     _scanExtensions() {
-        this._shellProxy.ListExtensionsRemote(([extensionsMap], e) => {
-            if (e) {
-                if (e instanceof Gio.DBusError) {
-                    log(`Failed to connect to shell proxy: ${e}`);
-                    this._mainStack.add_named(new NoShellPlaceholder(), 'noshell');
-                    this._mainStack.visible_child_name = 'noshell';
-                } else
-                    throw e;
-                return;
-            }
-
-            for (let uuid in extensionsMap) {
-                let extension = ExtensionUtils.deserializeExtension(extensionsMap[uuid]);
-                this._addExtensionRow(extension);
-            }
-            this._extensionsLoaded();
-        });
+        let finder = new ExtensionUtils.ExtensionFinder();
+        finder.connect('extension-found', this._extensionFound.bind(this));
+        finder.scanExtensions();
+        this._extensionsLoaded();
     }
 
-    _addExtensionRow(extension) {
-        let row = new ExtensionRow(extension);
+    _extensionFound(finder, extension) {
+        let row = new ExtensionRow(extension.uuid);
 
+        row.prefsButton.visible = this._extensionAvailable(row.uuid);
         row.prefsButton.connect('clicked', () => {
-            this._showPrefs(row.uuid);
+            this._selectExtension(row.uuid);
         });
 
         row.show_all();
@@ -309,26 +295,24 @@ var Application = GObject.registerClass({
         else
             this._mainStack.visible_child_name = 'placeholder';
 
-        if (this._startupUuid)
-            this._showPrefs(this._startupUuid);
+        if (this._startupUuid && this._extensionAvailable(this._startupUuid))
+            this._selectExtension(this._startupUuid);
         this._startupUuid = null;
         this._skipMainWindow = false;
         this._loaded = true;
     }
 
-    vfunc_activate() {
+    _onActivate() {
         this._window.present();
     }
 
-    vfunc_startup() {
-        super.vfunc_startup();
-
-        this._buildUI();
+    _onStartup(app) {
+        this._buildUI(app);
         this._scanExtensions();
     }
 
-    vfunc_command_line(commandLine) {
-        this.activate();
+    _onCommandLine(app, commandLine) {
+        app.activate();
         let args = commandLine.get_arguments();
 
         if (args.length) {
@@ -339,14 +323,16 @@ var Application = GObject.registerClass({
             // Strip off "extension:///" prefix which fakes a URI, if it exists
             uuid = stripPrefix(uuid, "extension:///");
 
-            if (!this._loaded)
+            if (this._extensionAvailable(uuid))
+                this._selectExtension(uuid);
+            else if (!this._loaded)
                 this._startupUuid = uuid;
-            else if (!this._showPrefs(uuid))
+            else
                 this._skipMainWindow = false;
         }
         return 0;
     }
-});
+};
 
 var Expander = GObject.registerClass({
     Properties: {
@@ -513,35 +499,6 @@ class EmptyPlaceholder extends Gtk.Box {
     }
 });
 
-var NoShellPlaceholder = GObject.registerClass(
-class NoShellPlaceholder extends Gtk.Box {
-    _init() {
-        super._init({
-            orientation: Gtk.Orientation.VERTICAL,
-            spacing: 12,
-            margin: 100,
-            margin_bottom: 60
-        });
-
-        let label = new Gtk.Label({
-            label: '<span size="x-large">%s</span>'.format(
-                _("Something’s gone wrong")),
-            use_markup: true
-        });
-        label.get_style_context().add_class(Gtk.STYLE_CLASS_DIM_LABEL);
-        this.add(label);
-
-        label = new Gtk.Label({
-            label: _("We’re very sorry, but it was not possible to get the list of installed extensions. Make sure you are logged into GNOME and try again."),
-            justify: Gtk.Justification.CENTER,
-            wrap: true
-        });
-        this.add(label);
-
-        this.show_all();
-    }
-});
-
 var DescriptionLabel = GObject.registerClass(
 class DescriptionLabel extends Gtk.Label {
     vfunc_get_preferred_height_for_width(width) {
@@ -554,55 +511,30 @@ class DescriptionLabel extends Gtk.Label {
 
 var ExtensionRow = GObject.registerClass(
 class ExtensionRow extends Gtk.ListBoxRow {
-    _init(extension) {
+    _init(uuid) {
         super._init();
 
-        this._app = Gio.Application.get_default();
-        this._extension = extension;
-        this._prefsModule = null;
+        this.uuid = uuid;
 
-        this._extensionStateChangedId = this._app.shellProxy.connectSignal(
-            'ExtensionStateChanged', (p, sender, [uuid, newState]) => {
-                if (this.uuid !== uuid)
-                    return;
-
-                this._extension = ExtensionUtils.deserializeExtension(newState);
-                let state = (this._extension.state == ExtensionState.ENABLED);
-                this._switch.state = state;
-                this._switch.sensitive = this._canToggle();
+        this._settings = new Gio.Settings({ schema_id: 'org.gnome.shell' });
+        this._settings.connect('changed::enabled-extensions', () => {
+            this._switch.state = this._isEnabled();
+        });
+        this._settings.connect('changed::disable-extension-version-validation',
+            () => {
+                this._switch.sensitive = this._canEnable();
+            });
+        this._settings.connect('changed::disable-user-extensions',
+            () => {
+                this._switch.sensitive = this._canEnable();
             });
-
-        this.connect('destroy', this._onDestroy.bind(this));
 
         this._buildUI();
     }
 
-    get uuid() {
-        return this._extension.uuid;
-    }
-
-    get name() {
-        return this._extension.metadata.name;
-    }
-
-    get hasPrefs() {
-        return this._extension.hasPrefs;
-    }
-
-    get url() {
-        return this._extension.metadata.url;
-    }
-
-    _onDestroy() {
-        if (!this._app.shellProxy)
-            return;
-
-        if (this._extensionStateChangedId)
-            this._app.shellProxy.disconnectSignal(this._extensionStateChangedId);
-        this._extensionStateChangedId = 0;
-    }
-
     _buildUI() {
+        let extension = ExtensionUtils.extensions[this.uuid];
+
         let hbox = new Gtk.Box({ orientation: Gtk.Orientation.HORIZONTAL,
                                  hexpand: true, margin_end: 24, spacing: 24,
                                  margin: 12 });
@@ -612,20 +544,19 @@ class ExtensionRow extends Gtk.ListBoxRow {
                                  spacing: 6, hexpand: true });
         hbox.add(vbox);
 
-        let name = GLib.markup_escape_text(this.name, -1);
+        let name = GLib.markup_escape_text(extension.metadata.name, -1);
         let label = new Gtk.Label({ label: '<b>' + name + '</b>',
                                     use_markup: true,
                                     halign: Gtk.Align.START });
         vbox.add(label);
 
-        let desc = this._extension.metadata.description.split('\n')[0];
+        let desc = extension.metadata.description.split('\n')[0];
         label = new DescriptionLabel({ label: desc, wrap: true, lines: 2,
                                        ellipsize: Pango.EllipsizeMode.END,
                                        xalign: 0, yalign: 0 });
         vbox.add(label);
 
         let button = new Gtk.Button({ valign: Gtk.Align.CENTER,
-                                      visible: this.hasPrefs,
                                       no_show_all: true });
         button.set_image(new Gtk.Image({ icon_name: 'emblem-system-symbolic',
                                          icon_size: Gtk.IconSize.BUTTON,
@@ -635,37 +566,51 @@ class ExtensionRow extends Gtk.ListBoxRow {
 
         this.prefsButton = button;
 
-        this._switch = new Gtk.Switch({
-            valign: Gtk.Align.CENTER,
-            sensitive: this._canToggle(),
-            state: this._extension.state === ExtensionState.ENABLED
-        });
+        this._switch = new Gtk.Switch({ valign: Gtk.Align.CENTER,
+                                        sensitive: this._canEnable(),
+                                        state: this._isEnabled() });
         this._switch.connect('notify::active', () => {
             if (this._switch.active)
-                this._app.shellProxy.EnableExtensionRemote(this.uuid);
+                this._enable();
             else
-                this._app.shellProxy.DisableExtensionRemote(this.uuid);
+                this._disable();
         });
         this._switch.connect('state-set', () => true);
         hbox.add(this._switch);
     }
 
-    _canToggle() {
-        return this._extension.canChange;
+    _canEnable() {
+        let extension = ExtensionUtils.extensions[this.uuid];
+        let checkVersion = !this._settings.get_boolean('disable-extension-version-validation');
+
+        return !this._settings.get_boolean('disable-user-extensions') &&
+               !(checkVersion && ExtensionUtils.isOutOfDate(extension));
     }
 
-    get prefsModule() {
-        if (!this._prefsModule) {
-            ExtensionUtils.installImporter(this._extension);
+    _isEnabled() {
+        let extensions = this._settings.get_strv('enabled-extensions');
+        return extensions.includes(this.uuid);
+    }
 
-            // give extension prefs access to their own extension object
-            ExtensionUtils.getCurrentExtension = () => this._extension;
+    _enable() {
+        let extensions = this._settings.get_strv('enabled-extensions');
+        if (extensions.includes(this.uuid))
+            return;
 
-            this._prefsModule = this._extension.imports.prefs;
-            this._prefsModule.init(this._extension.metadata);
-        }
+        extensions.push(this.uuid);
+        this._settings.set_strv('enabled-extensions', extensions);
+    }
 
-        return this._prefsModule;
+    _disable() {
+        let extensions = this._settings.get_strv('enabled-extensions');
+        let pos = extensions.indexOf(this.uuid);
+        if (pos == -1)
+            return;
+        do {
+            extensions.splice(pos, 1);
+            pos = extensions.indexOf(this.uuid);
+        } while (pos != -1);
+        this._settings.set_strv('enabled-extensions', extensions);
     }
 });
 
@@ -693,5 +638,6 @@ function main(argv) {
     Gettext.bindtextdomain(Config.GETTEXT_PACKAGE, Config.LOCALEDIR);
     Gettext.textdomain(Config.GETTEXT_PACKAGE);
 
-    new Application().run(argv);
+    let app = new Application();
+    app.application.run(argv);
 }

js/misc/extensionUtils.js

@@ -3,32 +3,21 @@
 // Common utils for the extension system and the extension
 // preferences tool
 
-const { Gio, GLib } = imports.gi;
-
 const Gettext = imports.gettext;
-const Lang = imports.lang;
+const Signals = imports.signals;
+
+const Gio = imports.gi.Gio;
 
 const Config = imports.misc.config;
+const FileUtils = imports.misc.fileUtils;
 
 var ExtensionType = {
     SYSTEM: 1,
     PER_USER: 2
 };
 
-var ExtensionState = {
-    ENABLED: 1,
-    DISABLED: 2,
-    ERROR: 3,
-    OUT_OF_DATE: 4,
-    DOWNLOADING: 5,
-    INITIALIZED: 6,
-
-    // Used as an error state for operations on unknown extensions,
-    // should never be in a real extensionMeta object.
-    UNINSTALLED: 99
-};
-
-const SERIALIZED_PROPERTIES = ['type', 'state', 'path', 'error', 'hasPrefs', 'canChange'];
+// Maps uuid -> metadata object
+var extensions = {};
 
 /**
  * getCurrentExtension:
@@ -60,17 +49,13 @@ function getCurrentExtension() {
     if (!match)
         return null;
 
-    // local import, as the module is used from outside the gnome-shell process
-    // as well (not this function though)
-    let extensionManager = imports.ui.main.extensionManager;
-
     let path = match[1];
     let file = Gio.File.new_for_path(path);
 
     // Walk up the directory tree, looking for an extension with
     // the same UUID as a directory name.
     while (file != null) {
-        let extension = extensionManager.lookup(file.get_basename());
+        let extension = extensions[file.get_basename()];
         if (extension !== undefined)
             return extension;
         file = file.get_parent();
@@ -176,50 +161,52 @@ function isOutOfDate(extension) {
     return false;
 }
 
-function serializeExtension(extension) {
-    let obj = {};
-    Lang.copyProperties(extension.metadata, obj);
+function createExtensionObject(uuid, dir, type) {
+    let metadataFile = dir.get_child('metadata.json');
+    if (!metadataFile.query_exists(null)) {
+        throw new Error('Missing metadata.json');
+    }
 
-    SERIALIZED_PROPERTIES.forEach(prop => {
-        obj[prop] = extension[prop];
-    });
+    let metadataContents, success, tag;
+    try {
+        [success, metadataContents, tag] = metadataFile.load_contents(null);
+        if (metadataContents instanceof Uint8Array)
+            metadataContents = imports.byteArray.toString(metadataContents);
+    } catch (e) {
+        throw new Error(`Failed to load metadata.json: ${e}`);
+    }
+    let meta;
+    try {
+        meta = JSON.parse(metadataContents);
+    } catch (e) {
+        throw new Error(`Failed to parse metadata.json: ${e}`);
+    }
 
-    let res = {};
-    for (let key in obj) {
-        let val = obj[key];
-        let type;
-        switch (typeof val) {
-        case 'string':
-            type = 's';
-            break;
-        case 'number':
-            type = 'd';
-            break;
-        case 'boolean':
-            type = 'b';
-            break;
-        default:
-            continue;
+    let requiredProperties = ['uuid', 'name', 'description', 'shell-version'];
+    for (let i = 0; i < requiredProperties.length; i++) {
+        let prop = requiredProperties[i];
+        if (!meta[prop]) {
+            throw new Error(`missing "${prop}" property in metadata.json`);
         }
-        res[key] = GLib.Variant.new(type, val);
     }
 
-    return res;
-}
-
-function deserializeExtension(variant) {
-    let res = { metadata: {} };
-    for (let prop in variant) {
-        let val = variant[prop].unpack();
-        if (SERIALIZED_PROPERTIES.includes(prop))
-            res[prop] = val;
-        else
-            res.metadata[prop] = val;
+    if (uuid != meta.uuid) {
+        throw new Error(`uuid "${meta.uuid}" from metadata.json does not match directory name "${uuid}"`);
     }
-    // add the 2 additional properties to create a valid extension object, as createExtensionObject()
-    res.uuid = res.metadata.uuid;
-    res.dir = Gio.File.new_for_path(res.path);
-    return res;
+
+    let extension = {};
+
+    extension.metadata = meta;
+    extension.uuid = meta.uuid;
+    extension.type = type;
+    extension.dir = dir;
+    extension.path = dir.get_path();
+    extension.error = '';
+    extension.hasPrefs = dir.get_child('prefs.js').query_exists(null);
+
+    extensions[uuid] = extension;
+
+    return extension;
 }
 
 function installImporter(extension) {
@@ -230,3 +217,36 @@ function installImporter(extension) {
     extension.imports = imports[extension.uuid];
     imports.searchPath = oldSearchPath;
 }
+
+var ExtensionFinder = class {
+    _loadExtension(extensionDir, info, perUserDir) {
+        let fileType = info.get_file_type();
+        if (fileType != Gio.FileType.DIRECTORY)
+            return;
+        let uuid = info.get_name();
+        let existing = extensions[uuid];
+        if (existing) {
+            log('Extension %s already installed in %s. %s will not be loaded'.format(uuid, existing.path, extensionDir.get_path()));
+            return;
+        }
+
+        let extension;
+        let type = extensionDir.has_prefix(perUserDir) ? ExtensionType.PER_USER
+                                                       : ExtensionType.SYSTEM;
+        try {
+            extension = createExtensionObject(uuid, extensionDir, type);
+        } catch (e) {
+            logError(e, 'Could not load extension %s'.format(uuid));
+            return;
+        }
+        this.emit('extension-found', extension);
+    }
+
+    scanExtensions() {
+        let perUserDir = Gio.File.new_for_path(global.userdatadir);
+        FileUtils.collectFromDatadirs('extensions', true, (dir, info) => {
+            this._loadExtension(dir, info, perUserDir);
+        });
+    }
+};
+Signals.addSignalMethods(ExtensionFinder.prototype);

js/ui/background.js

@@ -633,7 +633,7 @@ var Animation = class Animation {
     }
 
     load(callback) {
-        this._show = new GnomeDesktop.BGSlideShow({ file: this.file });
+        this._show = new GnomeDesktop.BGSlideShow({ filename: this.file.get_path() });
 
         this._show.load_async(null, (object, result) => {
             this.loaded = true;

js/ui/extensionDownloader.js

@@ -5,8 +5,8 @@ const { Clutter, Gio, GLib, GObject, Soup } = imports.gi;
 const Config = imports.misc.config;
 const Dialog = imports.ui.dialog;
 const ExtensionUtils = imports.misc.extensionUtils;
+const ExtensionSystem = imports.ui.extensionSystem;
 const FileUtils = imports.misc.fileUtils;
-const Main = imports.ui.main;
 const ModalDialog = imports.ui.modalDialog;
 
 var REPOSITORY_URL_BASE = 'https://extensions.gnome.org';
@@ -24,7 +24,7 @@ function installExtension(uuid, invocation) {
 
     _httpSession.queue_message(message, (session, message) => {
         if (message.status_code != Soup.KnownStatusCode.OK) {
-            Main.extensionManager.logExtensionError(uuid, `downloading info: ${message.status_code}`);
+            ExtensionSystem.logExtensionError(uuid, `downloading info: ${message.status_code}`);
             invocation.return_dbus_error('org.gnome.Shell.DownloadInfoError', message.status_code.toString());
             return;
         }
@@ -33,7 +33,7 @@ function installExtension(uuid, invocation) {
         try {
             info = JSON.parse(message.response_body.data);
         } catch (e) {
-            Main.extensionManager.logExtensionError(uuid, `parsing info: ${e}`);
+            ExtensionSystem.logExtensionError(uuid, `parsing info: ${e}`);
             invocation.return_dbus_error('org.gnome.Shell.ParseInfoError', e.toString());
             return;
         }
@@ -44,7 +44,7 @@ function installExtension(uuid, invocation) {
 }
 
 function uninstallExtension(uuid) {
-    let extension = Main.extensionManager.lookup(uuid);
+    let extension = ExtensionUtils.extensions[uuid];
     if (!extension)
         return false;
 
@@ -52,7 +52,7 @@ function uninstallExtension(uuid) {
     if (extension.type != ExtensionUtils.ExtensionType.PER_USER)
         return false;
 
-    if (!Main.extensionManager.unloadExtension(extension))
+    if (!ExtensionSystem.unloadExtension(extension))
         return false;
 
     FileUtils.recursivelyDeleteDir(extension.dir, true);
@@ -113,10 +113,10 @@ function updateExtension(uuid) {
 
     _httpSession.queue_message(message, (session, message) => {
         gotExtensionZipFile(session, message, uuid, newExtensionTmpDir, () => {
-            let oldExtension = Main.extensionManager.lookup(uuid);
+            let oldExtension = ExtensionUtils.extensions[uuid];
             let extensionDir = oldExtension.dir;
 
-            if (!Main.extensionManager.unloadExtension(oldExtension))
+            if (!ExtensionSystem.unloadExtension(oldExtension))
                 return;
 
             FileUtils.recursivelyMoveDir(extensionDir, oldExtensionTmpDir);
@@ -125,11 +125,11 @@ function updateExtension(uuid) {
             let extension = null;
 
             try {
-                extension = Main.extensionManager.createExtensionObject(uuid, extensionDir, ExtensionUtils.ExtensionType.PER_USER);
-                Main.extensionManager.loadExtension(extension);
+                extension = ExtensionUtils.createExtensionObject(uuid, extensionDir, ExtensionUtils.ExtensionType.PER_USER);
+                ExtensionSystem.loadExtension(extension);
             } catch (e) {
                 if (extension)
-                    Main.extensionManager.unloadExtension(extension);
+                    ExtensionSystem.unloadExtension(extension);
 
                 logError(e, 'Error loading extension %s'.format(uuid));
 
@@ -138,7 +138,7 @@ function updateExtension(uuid) {
 
                 // Restore what was there before. We can't do much if we
                 // fail here.
-                Main.extensionManager.loadExtension(oldExtension);
+                ExtensionSystem.loadExtension(oldExtension);
                 return;
             }
 
@@ -151,9 +151,9 @@ function updateExtension(uuid) {
 
 function checkForUpdates() {
     let metadatas = {};
-    Main.extensionManager.getUuids().forEach(uuid => {
-        metadatas[uuid] = Main.extensionManager.extensions[uuid].metadata;
-    });
+    for (let uuid in ExtensionUtils.extensions) {
+        metadatas[uuid] = ExtensionUtils.extensions[uuid].metadata;
+    }
 
     let params = { shell_version: Config.PACKAGE_VERSION,
                    installed: JSON.stringify(metadatas) };
@@ -224,11 +224,16 @@ class InstallExtensionDialog extends ModalDialog.ModalDialog {
         }
 
         function callback() {
+            // Add extension to 'enabled-extensions' for the user, always...
+            let enabledExtensions = global.settings.get_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY);
+            if (!enabledExtensions.includes(uuid)) {
+                enabledExtensions.push(uuid);
+                global.settings.set_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY, enabledExtensions);
+            }
+
             try {
-                let extension = Main.extensionManager.createExtensionObject(uuid, dir, ExtensionUtils.ExtensionType.PER_USER);
-                Main.extensionManager.loadExtension(extension);
-                if (!Main.extensionManager.enableExtension(uuid))
-                    throw new Error(`Cannot add ${uuid} to enabled extensions gsettings key`);
+                let extension = ExtensionUtils.createExtensionObject(uuid, dir, ExtensionUtils.ExtensionType.PER_USER);
+                ExtensionSystem.loadExtension(extension);
             } catch (e) {
                 uninstallExtension(uuid);
                 errback('LoadExtensionError', e);

js/ui/extensionSystem.js

@@ -4,519 +4,371 @@ const { Gio, St } = imports.gi;
 const Signals = imports.signals;
 
 const ExtensionUtils = imports.misc.extensionUtils;
-const FileUtils = imports.misc.fileUtils;
 const Main = imports.ui.main;
 
-const { ExtensionState, ExtensionType } = ExtensionUtils;
+var ExtensionState = {
+    ENABLED: 1,
+    DISABLED: 2,
+    ERROR: 3,
+    OUT_OF_DATE: 4,
+    DOWNLOADING: 5,
+    INITIALIZED: 6,
+
+    // Used as an error state for operations on unknown extensions,
+    // should never be in a real extensionMeta object.
+    UNINSTALLED: 99
+};
+
+// Arrays of uuids
+var enabledExtensions;
+// Contains the order that extensions were enabled in.
+var extensionOrder = [];
+
+// We don't really have a class to add signals on. So, create
+// a simple dummy object, add the signal methods, and export those
+// publically.
+var _signals = {};
+Signals.addSignalMethods(_signals);
+
+var connect = _signals.connect.bind(_signals);
+var disconnect = _signals.disconnect.bind(_signals);
 
 const ENABLED_EXTENSIONS_KEY = 'enabled-extensions';
-const DISABLED_EXTENSIONS_KEY = 'disabled-extensions';
 const DISABLE_USER_EXTENSIONS_KEY = 'disable-user-extensions';
 const EXTENSION_DISABLE_VERSION_CHECK_KEY = 'disable-extension-version-validation';
 
-var ExtensionManager = class {
-    constructor() {
-        this._initted = false;
-        this._enabled = false;
+var initted = false;
+var enabled;
 
-        this._extensions = new Map();
-        this._enabledExtensions = [];
-        this._extensionOrder = [];
+function disableExtension(uuid) {
+    let extension = ExtensionUtils.extensions[uuid];
+    if (!extension)
+        return;
 
-        Main.sessionMode.connect('updated', this._sessionUpdated.bind(this));
-    }
+    if (extension.state != ExtensionState.ENABLED)
+        return;
 
-    init() {
-        this._sessionUpdated();
-    }
+    // "Rebase" the extension order by disabling and then enabling extensions
+    // in order to help prevent conflicts.
 
-    lookup(uuid) {
-        return this._extensions.get(uuid);
-    }
+    // Example:
+    //   order = [A, B, C, D, E]
+    //   user disables C
+    //   this should: disable E, disable D, disable C, enable D, enable E
 
-    getUuids() {
-        return [...this._extensions.keys()];
-    }
+    let orderIdx = extensionOrder.indexOf(uuid);
+    let order = extensionOrder.slice(orderIdx + 1);
+    let orderReversed = order.slice().reverse();
 
-    _callExtensionDisable(uuid) {
-        let extension = this.lookup(uuid);
-        if (!extension)
-            return;
-
-        if (extension.state != ExtensionState.ENABLED)
-            return;
-
-        // "Rebase" the extension order by disabling and then enabling extensions
-        // in order to help prevent conflicts.
-
-        // Example:
-        //   order = [A, B, C, D, E]
-        //   user disables C
-        //   this should: disable E, disable D, disable C, enable D, enable E
-
-        let orderIdx = this._extensionOrder.indexOf(uuid);
-        let order = this._extensionOrder.slice(orderIdx + 1);
-        let orderReversed = order.slice().reverse();
-
-        for (let i = 0; i < orderReversed.length; i++) {
-            let uuid = orderReversed[i];
-            try {
-                this.lookup(uuid).stateObj.disable();
-            } catch (e) {
-                this.logExtensionError(uuid, e);
-            }
+    for (let i = 0; i < orderReversed.length; i++) {
+        let uuid = orderReversed[i];
+        try {
+            ExtensionUtils.extensions[uuid].stateObj.disable();
+        } catch (e) {
+            logExtensionError(uuid, e);
         }
+    }
 
+    if (extension.stylesheet) {
+        let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
+        theme.unload_stylesheet(extension.stylesheet);
+        delete extension.stylesheet;
+    }
+
+    try {
+        extension.stateObj.disable();
+    } catch (e) {
+        logExtensionError(uuid, e);
+    }
+
+    for (let i = 0; i < order.length; i++) {
+        let uuid = order[i];
+        try {
+            ExtensionUtils.extensions[uuid].stateObj.enable();
+        } catch (e) {
+            logExtensionError(uuid, e);
+        }
+    }
+
+    extensionOrder.splice(orderIdx, 1);
+
+    if ( extension.state != ExtensionState.ERROR ) {
+        extension.state = ExtensionState.DISABLED;
+        _signals.emit('extension-state-changed', extension);
+    }
+}
+
+function enableExtension(uuid) {
+    let extension = ExtensionUtils.extensions[uuid];
+    if (!extension)
+        return;
+
+    if (extension.state == ExtensionState.INITIALIZED)
+        initExtension(uuid);
+
+    if (extension.state != ExtensionState.DISABLED)
+        return;
+
+    extensionOrder.push(uuid);
+
+    let stylesheetNames = [`${global.session_mode}.css`, 'stylesheet.css'];
+    let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
+    for (let i = 0; i < stylesheetNames.length; i++) {
+        try {
+            let stylesheetFile = extension.dir.get_child(stylesheetNames[i]);
+            theme.load_stylesheet(stylesheetFile);
+            extension.stylesheet = stylesheetFile;
+            break;
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND))
+                continue; // not an error
+            log(`Failed to load stylesheet for extension ${uuid}: ${e.message}`);
+            return;
+        }
+    }
+
+    try {
+        extension.stateObj.enable();
+        extension.state = ExtensionState.ENABLED;
+        _signals.emit('extension-state-changed', extension);
+        return;
+    } catch (e) {
         if (extension.stylesheet) {
-            let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
             theme.unload_stylesheet(extension.stylesheet);
             delete extension.stylesheet;
         }
-
-        try {
-            extension.stateObj.disable();
-        } catch (e) {
-            this.logExtensionError(uuid, e);
-        }
-
-        for (let i = 0; i < order.length; i++) {
-            let uuid = order[i];
-            try {
-                this.lookup(uuid).stateObj.enable();
-            } catch (e) {
-                this.logExtensionError(uuid, e);
-            }
-        }
-
-        this._extensionOrder.splice(orderIdx, 1);
-
-        if (extension.state != ExtensionState.ERROR) {
-            extension.state = ExtensionState.DISABLED;
-            this.emit('extension-state-changed', extension);
-        }
+        logExtensionError(uuid, e);
+        return;
     }
+}
 
-    _callExtensionEnable(uuid) {
-        let extension = this.lookup(uuid);
-        if (!extension)
-            return;
+function logExtensionError(uuid, error) {
+    let extension = ExtensionUtils.extensions[uuid];
+    if (!extension)
+        return;
 
-        if (extension.state == ExtensionState.INITIALIZED)
-            this._callExtensionInit(uuid);
+    let message = `${error}`;
 
-        if (extension.state != ExtensionState.DISABLED)
-            return;
+    extension.state = ExtensionState.ERROR;
+    if (!extension.errors)
+        extension.errors = [];
+    extension.errors.push(message);
 
-        this._extensionOrder.push(uuid);
+    log('Extension "%s" had error: %s'.format(uuid, message));
+    _signals.emit('extension-state-changed', { uuid: uuid,
+                                               error: message,
+                                               state: extension.state });
+}
 
-        let stylesheetNames = [`${global.session_mode}.css`, 'stylesheet.css'];
-        let theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
-        for (let i = 0; i < stylesheetNames.length; i++) {
-            try {
-                let stylesheetFile = extension.dir.get_child(stylesheetNames[i]);
-                theme.load_stylesheet(stylesheetFile);
-                extension.stylesheet = stylesheetFile;
-                break;
-            } catch (e) {
-                if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND))
-                    continue; // not an error
-                log(`Failed to load stylesheet for extension ${uuid}: ${e.message}`);
+function loadExtension(extension) {
+    // Default to error, we set success as the last step
+    extension.state = ExtensionState.ERROR;
+
+    let checkVersion = !global.settings.get_boolean(EXTENSION_DISABLE_VERSION_CHECK_KEY);
+
+    if (checkVersion && ExtensionUtils.isOutOfDate(extension)) {
+        extension.state = ExtensionState.OUT_OF_DATE;
+    } else {
+        let enabled = enabledExtensions.includes(extension.uuid);
+        if (enabled) {
+            if (!initExtension(extension.uuid))
                 return;
-            }
-        }
-
-        try {
-            extension.stateObj.enable();
-            extension.state = ExtensionState.ENABLED;
-            this.emit('extension-state-changed', extension);
-            return;
-        } catch (e) {
-            if (extension.stylesheet) {
-                theme.unload_stylesheet(extension.stylesheet);
-                delete extension.stylesheet;
-            }
-            this.logExtensionError(uuid, e);
-            return;
-        }
-    }
-
-    enableExtension(uuid) {
-        if (!this._extensions.has(uuid))
-            return false;
-
-        let enabledExtensions = global.settings.get_strv(ENABLED_EXTENSIONS_KEY);
-        let disabledExtensions = global.settings.get_strv(DISABLED_EXTENSIONS_KEY);
-
-        if (disabledExtensions.includes(uuid)) {
-            disabledExtensions = disabledExtensions.filter(item => item !== uuid);
-            global.settings.set_strv(DISABLED_EXTENSIONS_KEY, disabledExtensions);
-        }
-
-        if (!enabledExtensions.includes(uuid)) {
-            enabledExtensions.push(uuid);
-            global.settings.set_strv(ENABLED_EXTENSIONS_KEY, enabledExtensions);
-        }
-
-        return true;
-    }
-
-    disableExtension(uuid) {
-        if (!this._extensions.has(uuid))
-            return false;
-
-        let enabledExtensions = global.settings.get_strv(ENABLED_EXTENSIONS_KEY);
-        let disabledExtensions = global.settings.get_strv(DISABLED_EXTENSIONS_KEY);
-
-        if (enabledExtensions.includes(uuid)) {
-            enabledExtensions = enabledExtensions.filter(item => item !== uuid);
-            global.settings.set_strv(ENABLED_EXTENSIONS_KEY, enabledExtensions);
-        }
-
-        if (!disabledExtensions.includes(uuid)) {
-            disabledExtensions.push(uuid);
-            global.settings.set_strv(DISABLED_EXTENSIONS_KEY, disabledExtensions);
-        }
-
-        return true;
-    }
-
-    logExtensionError(uuid, error) {
-        let extension = this.lookup(uuid);
-        if (!extension)
-            return;
-
-        let message = `${error}`;
-
-        extension.error = message;
-        extension.state = ExtensionState.ERROR;
-        if (!extension.errors)
-            extension.errors = [];
-        extension.errors.push(message);
-
-        log('Extension "%s" had error: %s'.format(uuid, message));
-        this.emit('extension-state-changed', extension);
-    }
-
-    createExtensionObject(uuid, dir, type) {
-        let metadataFile = dir.get_child('metadata.json');
-        if (!metadataFile.query_exists(null)) {
-            throw new Error('Missing metadata.json');
-        }
-
-        let metadataContents, success;
-        try {
-            [success, metadataContents] = metadataFile.load_contents(null);
-            if (metadataContents instanceof Uint8Array)
-                metadataContents = imports.byteArray.toString(metadataContents);
-        } catch (e) {
-            throw new Error(`Failed to load metadata.json: ${e}`);
-        }
-        let meta;
-        try {
-            meta = JSON.parse(metadataContents);
-        } catch (e) {
-            throw new Error(`Failed to parse metadata.json: ${e}`);
-        }
-
-        let requiredProperties = ['uuid', 'name', 'description', 'shell-version'];
-        for (let i = 0; i < requiredProperties.length; i++) {
-            let prop = requiredProperties[i];
-            if (!meta[prop]) {
-                throw new Error(`missing "${prop}" property in metadata.json`);
-            }
-        }
-
-        if (uuid != meta.uuid) {
-            throw new Error(`uuid "${meta.uuid}" from metadata.json does not match directory name "${uuid}"`);
-        }
-
-        let extension = {
-            metadata: meta,
-            uuid: meta.uuid,
-            type,
-            dir,
-            path: dir.get_path(),
-            error: '',
-            hasPrefs: dir.get_child('prefs.js').query_exists(null),
-            canChange: false
-        };
-        this._extensions.set(uuid, extension);
-
-        return extension;
-    }
-
-    loadExtension(extension) {
-        // Default to error, we set success as the last step
-        extension.state = ExtensionState.ERROR;
-
-        let checkVersion = !global.settings.get_boolean(EXTENSION_DISABLE_VERSION_CHECK_KEY);
-
-        if (checkVersion && ExtensionUtils.isOutOfDate(extension)) {
-            extension.state = ExtensionState.OUT_OF_DATE;
+            if (extension.state == ExtensionState.DISABLED)
+                enableExtension(extension.uuid);
         } else {
-            let enabled = this._enabledExtensions.includes(extension.uuid);
-            if (enabled) {
-                if (!this._callExtensionInit(extension.uuid))
-                    return;
-                if (extension.state == ExtensionState.DISABLED)
-                    this._callExtensionEnable(extension.uuid);
-            } else {
-                extension.state = ExtensionState.INITIALIZED;
-            }
+            extension.state = ExtensionState.INITIALIZED;
         }
-
-        this._updateCanChange(extension);
-        this.emit('extension-state-changed', extension);
     }
 
-    unloadExtension(extension) {
-        // Try to disable it -- if it's ERROR'd, we can't guarantee that,
-        // but it will be removed on next reboot, and hopefully nothing
-        // broke too much.
-        this._callExtensionDisable(extension.uuid);
+    _signals.emit('extension-state-changed', extension);
+}
 
-        extension.state = ExtensionState.UNINSTALLED;
-        this.emit('extension-state-changed', extension);
+function unloadExtension(extension) {
+    // Try to disable it -- if it's ERROR'd, we can't guarantee that,
+    // but it will be removed on next reboot, and hopefully nothing
+    // broke too much.
+    disableExtension(extension.uuid);
 
-        this._extensions.delete(extension.uuid);
-        return true;
+    extension.state = ExtensionState.UNINSTALLED;
+    _signals.emit('extension-state-changed', extension);
+
+    delete ExtensionUtils.extensions[extension.uuid];
+    return true;
+}
+
+function reloadExtension(oldExtension) {
+    // Grab the things we'll need to pass to createExtensionObject
+    // to reload it.
+    let { uuid: uuid, dir: dir, type: type } = oldExtension;
+
+    // Then unload the old extension.
+    unloadExtension(oldExtension);
+
+    // Now, recreate the extension and load it.
+    let newExtension;
+    try {
+        newExtension = ExtensionUtils.createExtensionObject(uuid, dir, type);
+    } catch (e) {
+        logExtensionError(uuid, e);
+        return;
     }
 
-    reloadExtension(oldExtension) {
-        // Grab the things we'll need to pass to createExtensionObject
-        // to reload it.
-        let { uuid: uuid, dir: dir, type: type } = oldExtension;
+    loadExtension(newExtension);
+}
 
-        // Then unload the old extension.
-        this.unloadExtension(oldExtension);
+function initExtension(uuid) {
+    let extension = ExtensionUtils.extensions[uuid];
+    let dir = extension.dir;
 
-        // Now, recreate the extension and load it.
-        let newExtension;
+    if (!extension)
+        throw new Error("Extension was not properly created. Call loadExtension first");
+
+    let extensionJs = dir.get_child('extension.js');
+    if (!extensionJs.query_exists(null)) {
+        logExtensionError(uuid, new Error('Missing extension.js'));
+        return false;
+    }
+
+    let extensionModule;
+    let extensionState = null;
+
+    ExtensionUtils.installImporter(extension);
+    try {
+        extensionModule = extension.imports.extension;
+    } catch (e) {
+        logExtensionError(uuid, e);
+        return false;
+    }
+
+    if (extensionModule.init) {
         try {
-            newExtension = this.createExtensionObject(uuid, dir, type);
+            extensionState = extensionModule.init(extension);
         } catch (e) {
-            this.logExtensionError(uuid, e);
-            return;
-        }
-
-        this.loadExtension(newExtension);
-    }
-
-    _callExtensionInit(uuid) {
-        let extension = this.lookup(uuid);
-        let dir = extension.dir;
-
-        if (!extension)
-            throw new Error("Extension was not properly created. Call loadExtension first");
-
-        let extensionJs = dir.get_child('extension.js');
-        if (!extensionJs.query_exists(null)) {
-            this.logExtensionError(uuid, new Error('Missing extension.js'));
+            logExtensionError(uuid, e);
             return false;
         }
-
-        let extensionModule;
-        let extensionState = null;
-
-        ExtensionUtils.installImporter(extension);
-        try {
-            extensionModule = extension.imports.extension;
-        } catch (e) {
-            this.logExtensionError(uuid, e);
-            return false;
-        }
-
-        if (extensionModule.init) {
-            try {
-                extensionState = extensionModule.init(extension);
-            } catch (e) {
-                this.logExtensionError(uuid, e);
-                return false;
-            }
-        }
-
-        if (!extensionState)
-            extensionState = extensionModule;
-        extension.stateObj = extensionState;
-
-        extension.state = ExtensionState.DISABLED;
-        this.emit('extension-loaded', uuid);
-        return true;
     }
 
-    _getModeExtensions() {
-        if (Array.isArray(Main.sessionMode.enabledExtensions))
-            return Main.sessionMode.enabledExtensions;
-        return [];
-    }
+    if (!extensionState)
+        extensionState = extensionModule;
+    extension.stateObj = extensionState;
 
-    _updateCanChange(extension) {
-        let hasError =
-            extension.state == ExtensionState.ERROR ||
-            extension.state == ExtensionState.OUT_OF_DATE;
+    extension.state = ExtensionState.DISABLED;
+    _signals.emit('extension-loaded', uuid);
+    return true;
+}
 
-        let isMode = this._getModeExtensions().includes(extension.uuid);
-        let modeOnly = global.settings.get_boolean(DISABLE_USER_EXTENSIONS_KEY);
+function getEnabledExtensions() {
+    let extensions;
+    if (Array.isArray(Main.sessionMode.enabledExtensions))
+        extensions = Main.sessionMode.enabledExtensions;
+    else
+        extensions = [];
 
-        let changeKey = isMode
-            ? DISABLE_USER_EXTENSIONS_KEY
-            : ENABLED_EXTENSIONS_KEY;
+    if (global.settings.get_boolean(DISABLE_USER_EXTENSIONS_KEY))
+        return extensions;
 
-        extension.canChange =
-            !hasError &&
-            global.settings.is_writable(changeKey) &&
-            (isMode || !modeOnly);
-    }
+    return extensions.concat(global.settings.get_strv(ENABLED_EXTENSIONS_KEY));
+}
 
-    _getEnabledExtensions() {
-        let extensions = this._getModeExtensions();
+function onEnabledExtensionsChanged() {
+    let newEnabledExtensions = getEnabledExtensions();
 
-        if (!global.settings.get_boolean(DISABLE_USER_EXTENSIONS_KEY))
-            extensions = extensions.concat(global.settings.get_strv(ENABLED_EXTENSIONS_KEY));
+    if (!enabled)
+        return;
 
-        // filter out 'disabled-extensions' which takes precedence
-        let disabledExtensions = global.settings.get_strv(DISABLED_EXTENSIONS_KEY);
-        return extensions.filter(item => !disabledExtensions.includes(item));
-    }
+    // Find and enable all the newly enabled extensions: UUIDs found in the
+    // new setting, but not in the old one.
+    newEnabledExtensions.filter(
+        uuid => !enabledExtensions.includes(uuid)
+    ).forEach(uuid => {
+        enableExtension(uuid);
+    });
 
-    _onUserExtensionsEnabledChanged() {
-        this._onEnabledExtensionsChanged();
-        this._onSettingsWritableChanged();
-    }
+    // Find and disable all the newly disabled extensions: UUIDs found in the
+    // old setting, but not in the new one.
+    enabledExtensions.filter(
+        item => !newEnabledExtensions.includes(item)
+    ).forEach(uuid => {
+        disableExtension(uuid);
+    });
 
-    _onEnabledExtensionsChanged() {
-        let newEnabledExtensions = this._getEnabledExtensions();
+    enabledExtensions = newEnabledExtensions;
+}
 
-        if (!this._enabled)
-            return;
+function _onVersionValidationChanged() {
+    // we want to reload all extensions, but only enable
+    // extensions when allowed by the sessionMode, so
+    // temporarily disable them all
+    enabledExtensions = [];
+    for (let uuid in ExtensionUtils.extensions)
+        reloadExtension(ExtensionUtils.extensions[uuid]);
+    enabledExtensions = getEnabledExtensions();
 
-        // Find and enable all the newly enabled extensions: UUIDs found in the
-        // new setting, but not in the old one.
-        newEnabledExtensions.filter(
-            uuid => !this._enabledExtensions.includes(uuid)
-        ).forEach(uuid => {
-            this._callExtensionEnable(uuid);
+    if (Main.sessionMode.allowExtensions) {
+        enabledExtensions.forEach(uuid => {
+            enableExtension(uuid);
         });
+    }
+}
 
-        // Find and disable all the newly disabled extensions: UUIDs found in the
-        // old setting, but not in the new one.
-        this._enabledExtensions.filter(
-            item => !newEnabledExtensions.includes(item)
-        ).forEach(uuid => {
-            this._callExtensionDisable(uuid);
+function _loadExtensions() {
+    global.settings.connect(`changed::${ENABLED_EXTENSIONS_KEY}`, onEnabledExtensionsChanged);
+    global.settings.connect(`changed::${DISABLE_USER_EXTENSIONS_KEY}`, onEnabledExtensionsChanged);
+    global.settings.connect(`changed::${EXTENSION_DISABLE_VERSION_CHECK_KEY}`, _onVersionValidationChanged);
+
+    enabledExtensions = getEnabledExtensions();
+
+    let finder = new ExtensionUtils.ExtensionFinder();
+    finder.connect('extension-found', (finder, extension) => {
+        loadExtension(extension);
+    });
+    finder.scanExtensions();
+}
+
+function enableAllExtensions() {
+    if (enabled)
+        return;
+
+    if (!initted) {
+        _loadExtensions();
+        initted = true;
+    } else {
+        enabledExtensions.forEach(uuid => {
+            enableExtension(uuid);
         });
-
-        this._enabledExtensions = newEnabledExtensions;
     }
+    enabled = true;
+}
 
-    _onSettingsWritableChanged() {
-        for (let extension of this._extensions.values()) {
-            this._updateCanChange(extension);
-            this.emit('extension-state-changed', extension);
-        }
-    }
+function disableAllExtensions() {
+    if (!enabled)
+        return;
 
-    _onVersionValidationChanged() {
-        // we want to reload all extensions, but only enable
-        // extensions when allowed by the sessionMode, so
-        // temporarily disable them all
-        this._enabledExtensions = [];
-
-        // The loop modifies the extensions map, so iterate over a copy
-        let extensions = [...this._extensions.values()];
-        for (let extension of extensions)
-            this.reloadExtension(extension);
-        this._enabledExtensions = this._getEnabledExtensions();
-
-        if (Main.sessionMode.allowExtensions) {
-            this._enabledExtensions.forEach(uuid => {
-                this._callExtensionEnable(uuid);
-            });
-        }
-    }
-
-    _loadExtensions() {
-        global.settings.connect(`changed::${ENABLED_EXTENSIONS_KEY}`,
-            this._onEnabledExtensionsChanged.bind(this));
-        global.settings.connect(`changed::${DISABLED_EXTENSIONS_KEY}`,
-            this._onEnabledExtensionsChanged.bind(this));
-        global.settings.connect(`changed::${DISABLE_USER_EXTENSIONS_KEY}`,
-            this._onUserExtensionsEnabledChanged.bind(this));
-        global.settings.connect(`changed::${EXTENSION_DISABLE_VERSION_CHECK_KEY}`,
-            this._onVersionValidationChanged.bind(this));
-        global.settings.connect(`writable-changed::${ENABLED_EXTENSIONS_KEY}`,
-            this._onSettingsWritableChanged.bind(this));
-        global.settings.connect(`writable-changed::${DISABLED_EXTENSIONS_KEY}`,
-            this._onSettingsWritableChanged.bind(this));
-
-        this._enabledExtensions = this._getEnabledExtensions();
-
-        let perUserDir = Gio.File.new_for_path(global.userdatadir);
-        FileUtils.collectFromDatadirs('extensions', true, (dir, info) => {
-            let fileType = info.get_file_type();
-            if (fileType != Gio.FileType.DIRECTORY)
-                return;
-            let uuid = info.get_name();
-            let existing = this.lookup(uuid);
-            if (existing) {
-                log(`Extension ${uuid} already installed in ${existing.path}. ${dir.get_path()} will not be loaded`);
-                return;
-            }
-
-            let extension;
-            let type = dir.has_prefix(perUserDir)
-                ? ExtensionType.PER_USER
-                : ExtensionType.SYSTEM;
-            try {
-                extension = this.createExtensionObject(uuid, dir, type);
-            } catch (e) {
-                logError(e, `Could not load extension ${uuid}`);
-                return;
-            }
-            this.loadExtension(extension);
+    if (initted) {
+        extensionOrder.slice().reverse().forEach(uuid => {
+            disableExtension(uuid);
         });
     }
 
-    _enableAllExtensions() {
-        if (this._enabled)
-            return;
+    enabled = false;
+}
 
-        if (!this._initted) {
-            this._loadExtensions();
-            this._initted = true;
-        } else {
-            this._enabledExtensions.forEach(uuid => {
-                this._callExtensionEnable(uuid);
-            });
-        }
-        this._enabled = true;
+function _sessionUpdated() {
+    // For now sessionMode.allowExtensions controls extensions from both the
+    // 'enabled-extensions' preference and the sessionMode.enabledExtensions
+    // property; it might make sense to make enabledExtensions independent
+    // from allowExtensions in the future
+    if (Main.sessionMode.allowExtensions) {
+        if (initted)
+            enabledExtensions = getEnabledExtensions();
+        enableAllExtensions();
+    } else {
+        disableAllExtensions();
     }
+}
 
-    _disableAllExtensions() {
-        if (!this._enabled)
-            return;
-
-        if (this._initted) {
-            this._extensionOrder.slice().reverse().forEach(uuid => {
-                this._callExtensionDisable(uuid);
-            });
-        }
-
-        this._enabled = false;
-    }
-
-    _sessionUpdated() {
-        // For now sessionMode.allowExtensions controls extensions from both the
-        // 'enabled-extensions' preference and the sessionMode.enabledExtensions
-        // property; it might make sense to make enabledExtensions independent
-        // from allowExtensions in the future
-        if (Main.sessionMode.allowExtensions) {
-            if (this._initted)
-                this._enabledExtensions = this._getEnabledExtensions();
-            this._enableAllExtensions();
-        } else {
-            this._disableAllExtensions();
-        }
-    }
-};
-Signals.addSignalMethods(ExtensionManager.prototype);
+function init() {
+    Main.sessionMode.connect('updated', _sessionUpdated);
+    _sessionUpdated();
+}

js/ui/lookingGlass.js

@@ -7,14 +7,13 @@ const Signals = imports.signals;
 const System = imports.system;
 
 const History = imports.misc.history;
+const ExtensionSystem = imports.ui.extensionSystem;
 const ExtensionUtils = imports.misc.extensionUtils;
 const ShellEntry = imports.ui.shellEntry;
 const Tweener = imports.ui.tweener;
 const Main = imports.ui.main;
 const JsParse = imports.misc.jsParse;
 
-const { ExtensionState } = ExtensionUtils;
-
 const CHEVRON = '>>> ';
 
 /* Imports...feel free to add here as needed */
@@ -624,16 +623,15 @@ var Extensions = class Extensions {
         this._extensionsList.add(this._noExtensions);
         this.actor.add(this._extensionsList);
 
-        Main.extensionManager.getUuids().forEach(uuid => {
+        for (let uuid in ExtensionUtils.extensions)
             this._loadExtension(null, uuid);
-        });
 
-        Main.extensionManager.connect('extension-loaded',
-                                      this._loadExtension.bind(this));
+        ExtensionSystem.connect('extension-loaded',
+                                this._loadExtension.bind(this));
     }
 
     _loadExtension(o, uuid) {
-        let extension = Main.extensionManager.lookup(uuid);
+        let extension = ExtensionUtils.extensions[uuid];
         // There can be cases where we create dummy extension metadata
         // that's not really a proper extension. Don't bother with these.
         if (!extension.metadata.name)
@@ -690,16 +688,16 @@ var Extensions = class Extensions {
 
     _stateToString(extensionState) {
         switch (extensionState) {
-        case ExtensionState.ENABLED:
+        case ExtensionSystem.ExtensionState.ENABLED:
             return _("Enabled");
-        case ExtensionState.DISABLED:
-        case ExtensionState.INITIALIZED:
+        case ExtensionSystem.ExtensionState.DISABLED:
+        case ExtensionSystem.ExtensionState.INITIALIZED:
             return _("Disabled");
-        case ExtensionState.ERROR:
+        case ExtensionSystem.ExtensionState.ERROR:
             return _("Error");
-        case ExtensionState.OUT_OF_DATE:
+        case ExtensionSystem.ExtensionState.OUT_OF_DATE:
             return _("Out of date");
-        case ExtensionState.DOWNLOADING:
+        case ExtensionSystem.ExtensionState.DOWNLOADING:
             return _("Downloading");
         }
         return 'Unknown'; // Not translated, shouldn't appear

js/ui/main.js

@@ -46,7 +46,6 @@ const LOG_DOMAIN = 'GNOME Shell';
 const GNOMESHELL_STARTED_MESSAGE_ID = 'f3ea493c22934e26811cd62abe8e203a';
 
 var componentManager = null;
-var extensionManager = null;
 var panel = null;
 var overview = null;
 var runDialog = null;
@@ -227,8 +226,7 @@ function _initializeUI() {
     _startDate = new Date();
 
     ExtensionDownloader.init();
-    extensionManager = new ExtensionSystem.ExtensionManager();
-    extensionManager.init();
+    ExtensionSystem.init();
 
     if (sessionMode.isGreeter && screenShield) {
         layoutManager.connect('startup-prepared', () => {

js/ui/shellDBus.js

@@ -1,8 +1,10 @@
 // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
 
 const { Gio, GLib, Meta, Shell } = imports.gi;
+const Lang = imports.lang;
 
 const Config = imports.misc.config;
+const ExtensionSystem = imports.ui.extensionSystem;
 const ExtensionDownloader = imports.ui.extensionDownloader;
 const ExtensionUtils = imports.misc.extensionUtils;
 const Main = imports.ui.main;
@@ -249,26 +251,59 @@ var GnomeShellExtensions = class {
     constructor() {
         this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(GnomeShellExtensionsIface, this);
         this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell');
-        Main.extensionManager.connect('extension-state-changed',
-                                      this._extensionStateChanged.bind(this));
+        ExtensionSystem.connect('extension-state-changed',
+                                this._extensionStateChanged.bind(this));
     }
 
     ListExtensions() {
         let out = {};
-        Main.extensionManager.getUuids().forEach(uuid => {
+        for (let uuid in ExtensionUtils.extensions) {
             let dbusObj = this.GetExtensionInfo(uuid);
             out[uuid] = dbusObj;
-        });
+        }
         return out;
     }
 
     GetExtensionInfo(uuid) {
-        let extension = Main.extensionManager.lookup(uuid) || {};
-        return ExtensionUtils.serializeExtension(extension);
+        let extension = ExtensionUtils.extensions[uuid];
+        if (!extension)
+            return {};
+
+        let obj = {};
+        Lang.copyProperties(extension.metadata, obj);
+
+        // Only serialize the properties that we actually need.
+        const serializedProperties = ["type", "state", "path", "error", "hasPrefs"];
+
+        serializedProperties.forEach(prop => {
+            obj[prop] = extension[prop];
+        });
+
+        let out = {};
+        for (let key in obj) {
+            let val = obj[key];
+            let type;
+            switch (typeof val) {
+            case 'string':
+                type = 's';
+                break;
+            case 'number':
+                type = 'd';
+                break;
+            case 'boolean':
+                type = 'b';
+                break;
+            default:
+                continue;
+            }
+            out[key] = GLib.Variant.new(type, val);
+        }
+
+        return out;
     }
 
     GetExtensionErrors(uuid) {
-        let extension = Main.extensionManager.lookup(uuid);
+        let extension = ExtensionUtils.extensions[uuid];
         if (!extension)
             return [];
 
@@ -286,14 +321,6 @@ var GnomeShellExtensions = class {
         return ExtensionDownloader.uninstallExtension(uuid);
     }
 
-    EnableExtension(uuid) {
-        return Main.extensionManager.enableExtension(uuid);
-    }
-
-    DisableExtension(uuid) {
-        return Main.extensionManager.disableExtension(uuid);
-    }
-
     LaunchExtensionPrefs(uuid) {
         let appSys = Shell.AppSystem.get_default();
         let app = appSys.lookup_app('gnome-shell-extension-prefs.desktop');
@@ -304,11 +331,11 @@ var GnomeShellExtensions = class {
     }
 
     ReloadExtension(uuid) {
-        let extension = Main.extensionManager.lookup(uuid);
+        let extension = ExtensionUtils.extensions[uuid];
         if (!extension)
             return;
 
-        Main.extensionManager.reloadExtension(extension);
+        ExtensionSystem.reloadExtension(extension);
     }
 
     CheckForUpdates() {
@@ -320,10 +347,6 @@ var GnomeShellExtensions = class {
     }
 
     _extensionStateChanged(_, newState) {
-        let state = ExtensionUtils.serializeExtension(newState);
-        this._dbusImpl.emit_signal('ExtensionStateChanged',
-            new GLib.Variant('(sa{sv})', [newState.uuid, state]));
-
         this._dbusImpl.emit_signal('ExtensionStatusChanged',
                                    GLib.Variant.new('(sis)', [newState.uuid, newState.state, newState.error]));
     }

js/ui/status/power.js

@@ -114,15 +114,8 @@ var Indicator = class extends PanelMenu.SystemIndicator {
             ? 'battery-level-100-charged-symbolic'
             : `battery-level-${fillLevel}${chargingState}-symbolic`;
 
-        // Make sure we fall back to fallback-icon-name and not GThemedIcon's
-        // default fallbacks
-        let gicon = new Gio.ThemedIcon({
-            name: icon,
-            use_default_fallbacks: false
-        });
-
-        this._indicator.gicon = gicon;
-        this._item.icon.gicon = gicon;
+        this._indicator.icon_name = icon;
+        this._item.icon.icon_name = icon;
 
         let fallbackIcon = this._proxy.IconName;
         this._indicator.fallback_icon_name = fallbackIcon;

js/ui/windowManager.js

@@ -2132,8 +2132,6 @@ var WindowManager = class {
         let [action,,, target] = binding.get_name().split('-');
         let newWs;
         let direction;
-        let vertical = workspaceManager.layout_rows == -1;
-        let rtl = Clutter.get_default_text_direction() == Clutter.TextDirection.RTL;
 
         if (action == 'move') {
             // "Moving" a window to another workspace doesn't make sense when
@@ -2146,12 +2144,7 @@ var WindowManager = class {
         }
 
         if (target == 'last') {
-            if (vertical)
-                direction = Meta.MotionDirection.DOWN;
-            else if (rtl)
-                direction = Meta.MotionDirection.LEFT;
-            else
-                direction = Meta.MotionDirection.RIGHT;
+            direction = Meta.MotionDirection.DOWN;
             newWs = workspaceManager.get_workspace_by_index(workspaceManager.n_workspaces - 1);
         } else if (isNaN(target)) {
             // Prepend a new workspace dynamically
@@ -2167,33 +2160,16 @@ var WindowManager = class {
             target--;
             newWs = workspaceManager.get_workspace_by_index(target);
 
-            if (workspaceManager.get_active_workspace().index() > target) {
-                if (vertical)
-                    direction = Meta.MotionDirection.UP;
-                else if (rtl)
-                    direction = Meta.MotionDirection.RIGHT;
-                else
-                    direction = Meta.MotionDirection.LEFT;
-            } else {
-                if (vertical)
-                    direction = Meta.MotionDirection.DOWN;
-                else if (rtl)
-                    direction = Meta.MotionDirection.LEFT;
-                else
-                    direction = Meta.MotionDirection.RIGHT;
-            }
+            if (workspaceManager.get_active_workspace().index() > target)
+                direction = Meta.MotionDirection.UP;
+            else
+                direction = Meta.MotionDirection.DOWN;
         }
 
-        if (workspaceManager.layout_rows == -1 &&
-            direction != Meta.MotionDirection.UP &&
+        if (direction != Meta.MotionDirection.UP &&
             direction != Meta.MotionDirection.DOWN)
             return;
 
-        if (workspaceManager.layout_columns == -1 &&
-            direction != Meta.MotionDirection.LEFT &&
-            direction != Meta.MotionDirection.RIGHT)
-            return;
-
         if (action == 'switch')
             this.actionMoveWorkspace(newWs);
         else

js/ui/workspace.js

@@ -86,7 +86,7 @@ class WindowCloneLayout extends Clutter.LayoutManager {
             if (child == container._delegate._windowClone)
                 realWindow = container._delegate.realWindow;
             else
-                realWindow = child.source;
+                realWindow = child.content.window_actor;
 
             child.allocate(this._makeBoxForWindow(realWindow.meta_window),
                            flags);
@@ -111,7 +111,7 @@ var WindowClone = GObject.registerClass({
         this.metaWindow._delegate = this;
         this._workspace = workspace;
 
-        this._windowClone = new Clutter.Clone({ source: realWindow });
+        this._windowClone = new Clutter.Actor({ content: realWindow.content });
         // We expect this to be used for all interaction rather than
         // this._windowClone; as the former is reactive and the latter
         // is not, this just works for most cases. However, for DND all
@@ -205,7 +205,7 @@ var WindowClone = GObject.registerClass({
         // Delete all windows, starting from the bottom-most (most-modal) one
         let windows = this.get_children();
         for (let i = windows.length - 1; i >= 1; i--) {
-            let realWindow = windows[i].source;
+            let realWindow = windows[i].content.window_actor;
             let metaWindow = realWindow.meta_window;
 
             metaWindow.delete(global.get_current_time());
@@ -237,7 +237,7 @@ var WindowClone = GObject.registerClass({
     }
 
     _doAddAttachedDialog(metaWin, realWin) {
-        let clone = new Clutter.Clone({ source: realWin });
+        let clone = new Clutter.Actor({ content: realWin.content });
         clone._sizeChangedId = metaWin.connect('size-changed',
             this._onMetaWindowSizeChanged.bind(this));
         clone._posChangedId = metaWin.connect('position-changed',
@@ -290,7 +290,7 @@ var WindowClone = GObject.registerClass({
             if (child == this._windowClone)
                 realWindow = this.realWindow;
             else
-                realWindow = child.source;
+                realWindow = child.content.window_actor;
 
             let metaWindow = realWindow.meta_window;
             rect = rect.union(metaWindow.get_frame_rect());
@@ -335,7 +335,7 @@ var WindowClone = GObject.registerClass({
             if (child == this._windowClone)
                 realWindow = this.realWindow;
             else
-                realWindow = child.source;
+                realWindow = child.content.window_actor;
 
             realWindow.meta_window.disconnect(child._sizeChangedId);
             realWindow.meta_window.disconnect(child._posChangedId);

js/ui/workspaceSwitcherPopup.js

@@ -17,74 +17,41 @@ class WorkspaceSwitcherPopupList extends St.Widget {
         this._itemSpacing = 0;
         this._childHeight = 0;
         this._childWidth = 0;
-        this._orientation = global.workspace_manager.layout_rows == -1
-            ? Clutter.Orientation.VERTICAL
-            : Clutter.Orientation.HORIZONTAL;
 
         this.connect('style-changed', () => {
             this._itemSpacing = this.get_theme_node().get_length('spacing');
         });
     }
 
-    _getPreferredSizeForOrientation(forSize) {
+    vfunc_get_preferred_height(forWidth) {
         let workArea = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
         let themeNode = this.get_theme_node();
 
-        let availSize;
-        if (this._orientation == Clutter.Orientation.HORIZONTAL)
-            availSize = workArea.width - themeNode.get_horizontal_padding();
-        else
-            availSize = workArea.height - themeNode.get_vertical_padding();
+        let availHeight = workArea.height;
+        availHeight -= themeNode.get_vertical_padding();
 
-        let size = 0;
+        let height = 0;
         for (let child of this.get_children()) {
             let [childMinHeight, childNaturalHeight] = child.get_preferred_height(-1);
-            let height = childNaturalHeight * workArea.width / workArea.height;
-
-            if (this._orientation == Clutter.Orientation.HORIZONTAL)
-                size += height * workArea.width / workArea.height;
-            else
-                size += height;
+            let [childMinWidth, childNaturalWidth] = child.get_preferred_width(childNaturalHeight);
+            height += childNaturalHeight * workArea.width / workArea.height;
         }
 
         let workspaceManager = global.workspace_manager;
         let spacing = this._itemSpacing * (workspaceManager.n_workspaces - 1);
-        size += spacing;
-        size = Math.min(size, availSize);
+        height += spacing;
+        height = Math.min(height, availHeight);
 
-        if (this._orientation == Clutter.Orientation.HORIZONTAL) {
-            this._childWidth = (size - spacing) / workspaceManager.n_workspaces;
-            return themeNode.adjust_preferred_width(size, size);
-        } else {
-            this._childHeight = (size - spacing) / workspaceManager.n_workspaces;
-            return themeNode.adjust_preferred_height(size, size);
-        }
-    }
+        this._childHeight = (height - spacing) / workspaceManager.n_workspaces;
 
-    _getSizeForOppositeOrientation() {
-        let workArea = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
-
-        if (this._orientation == Clutter.Orientation.HORIZONTAL) {
-            this._childHeight = Math.round(this._childWidth * workArea.height / workArea.width);
-            return [this._childHeight, this._childHeight];
-        } else {
-            this._childWidth = Math.round(this._childHeight * workArea.width / workArea.height);
-            return [this._childWidth, this._childWidth];
-        }
-    }
-
-    vfunc_get_preferred_height(forWidth) {
-        if (this._orientation == Clutter.Orientation.HORIZONTAL)
-            return this._getSizeForOppositeOrientation();
-        else
-            return this._getPreferredSizeForOrientation(forWidth);
+        return themeNode.adjust_preferred_height(height, height);
     }
 
     vfunc_get_preferred_width(forHeight) {
-        if (this._orientation == Clutter.Orientation.HORIZONTAL)
-            return this._getPreferredSizeForOrientation(forHeight);
-        else
-            return this._getSizeForOppositeOrientation();
+        let workArea = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
+        this._childWidth = Math.round(this._childHeight * workArea.width / workArea.height);
+
+        return [this._childWidth, this._childWidth];
     }
 
     vfunc_allocate(box, flags) {
@@ -95,23 +62,15 @@ class WorkspaceSwitcherPopupList extends St.Widget {
 
         let childBox = new Clutter.ActorBox();
 
-        let rtl = this.text_direction == Clutter.TextDirection.RTL;
-        let x = rtl ? box.x2 - this._childWidth : box.x1;
         let y = box.y1;
+        let prevChildBoxY2 = box.y1 - this._itemSpacing;
         for (let child of this.get_children()) {
-            childBox.x1 = Math.round(x);
-            childBox.x2 = Math.round(x + this._childWidth);
-            childBox.y1 = Math.round(y);
+            childBox.x1 = box.x1;
+            childBox.x2 = box.x1 + this._childWidth;
+            childBox.y1 = prevChildBoxY2 + this._itemSpacing;
             childBox.y2 = Math.round(y + this._childHeight);
-
-            if (this._orientation == Clutter.Orientation.HORIZONTAL) {
-                if (rtl)
-                    x -= this._childWidth + this._itemSpacing;
-                else
-                    x += this._childWidth + this._itemSpacing;
-            } else {
-                y += this._childHeight + this._itemSpacing;
-            }
+            y += this._childHeight + this._itemSpacing;
+            prevChildBoxY2 = childBox.y2;
             child.allocate(childBox, flags);
         }
     }
@@ -162,10 +121,6 @@ class WorkspaceSwitcherPopup extends St.Widget {
                 indicator = new St.Bin({ style_class: 'ws-switcher-active-up' });
             else if (i == this._activeWorkspaceIndex && this._direction == Meta.MotionDirection.DOWN)
                 indicator = new St.Bin({ style_class: 'ws-switcher-active-down' });
-            else if (i == this._activeWorkspaceIndex && this._direction == Meta.MotionDirection.LEFT)
-                indicator = new St.Bin({ style_class: 'ws-switcher-active-left' });
-            else if (i == this._activeWorkspaceIndex && this._direction == Meta.MotionDirection.RIGHT)
-                indicator = new St.Bin({ style_class: 'ws-switcher-active-right' });
             else
                 indicator = new St.Bin({ style_class: 'ws-switcher-box' });
 

js/ui/workspaceThumbnail.js

@@ -47,7 +47,8 @@ class PrimaryActorLayout extends Clutter.FixedLayout {
 
 var WindowClone = class {
     constructor(realWindow) {
-        this.clone = new Clutter.Clone({ source: realWindow });
+        this.clone = new Clutter.Actor({ content: realWindow.content,
+                                         request_mode: Clutter.RequestMode.CONTENT_SIZE });
 
         /* Can't use a Shell.GenericContainer because of DND and reparenting... */
         this.actor = new Clutter.Actor({ layout_manager: new PrimaryActorLayout(this.clone),
@@ -139,7 +140,8 @@ var WindowClone = class {
     }
 
     _doAddAttachedDialog(metaDialog, realDialog) {
-        let clone = new Clutter.Clone({ source: realDialog });
+        let clone = new Clutter.Actor({ content: realDialog.content,
+                                        request_mode: Clutter.RequestMode.CONTENT_SIZE });
         this._updateDialogPosition(realDialog, clone);
 
         clone._updateId = realDialog.connect('notify::position', dialog => {
@@ -165,7 +167,7 @@ var WindowClone = class {
 
     _disconnectSignals() {
         this.actor.get_children().forEach(child => {
-            let realWindow = child.source;
+            let realWindow = child.content.window_actor;
 
             realWindow.disconnect(child._updateId);
             realWindow.disconnect(child._destroyId);

js/ui/workspacesView.js

@@ -189,32 +189,26 @@ var WorkspacesView = class extends WorkspacesViewBase {
 
             Tweener.removeTweens(workspace.actor);
 
-            let params = {};
-            if (workspaceManager.layout_rows == -1)
-                params.y = (w - active) * this._fullGeometry.height;
-            else if (this.actor.text_direction == Clutter.TextDirection.RTL)
-                params.x = (active - w) * this._fullGeometry.width;
-            else
-                params.x = (w - active) * this._fullGeometry.width;
+            let y = (w - active) * this._fullGeometry.height;
 
             if (showAnimation) {
-                let tweenParams = Object.assign(params, {
-                    time: WORKSPACE_SWITCH_TIME,
-                    transition: 'easeOutQuad'
-                });
+                let params = { y: y,
+                               time: WORKSPACE_SWITCH_TIME,
+                               transition: 'easeOutQuad'
+                             };
                 // we have to call _updateVisibility() once before the
                 // animation and once afterwards - it does not really
                 // matter which tween we use, so we pick the first one ...
                 if (w == 0) {
                     this._updateVisibility();
-                    tweenParams.onComplete = () => {
+                    params.onComplete = () => {
                         this._animating = false;
                         this._updateVisibility();
                     };
                 }
-                Tweener.addTween(workspace.actor, tweenParams);
+                Tweener.addTween(workspace.actor, params);
             } else {
-                workspace.actor.set(params);
+                workspace.actor.set_position(0, y);
                 if (w == 0)
                     this._updateVisibility();
             }
@@ -352,39 +346,22 @@ var WorkspacesView = class extends WorkspacesViewBase {
             metaWorkspace.activate(global.get_current_time());
         }
 
+        let last = this._workspaces.length - 1;
+        let firstWorkspaceY = this._workspaces[0].actor.y;
+        let lastWorkspaceY = this._workspaces[last].actor.y;
+        let workspacesHeight = lastWorkspaceY - firstWorkspaceY;
+
         if (adj.upper == 1)
             return;
 
-        let last = this._workspaces.length - 1;
+        let currentY = firstWorkspaceY;
+        let newY =  - adj.value / (adj.upper - 1) * workspacesHeight;
 
-        if (workspaceManager.layout_rows == -1) {
-            let firstWorkspaceY = this._workspaces[0].actor.y;
-            let lastWorkspaceY = this._workspaces[last].actor.y;
-            let workspacesHeight = lastWorkspaceY - firstWorkspaceY;
+        let dy = newY - currentY;
 
-            let currentY = firstWorkspaceY;
-            let newY = -adj.value / (adj.upper - 1) * workspacesHeight;
-
-            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;
-            }
-        } else {
-            let firstWorkspaceX = this._workspaces[0].actor.x;
-            let lastWorkspaceX = this._workspaces[last].actor.x;
-            let workspacesWidth = lastWorkspaceX - firstWorkspaceX;
-
-            let currentX = firstWorkspaceX;
-            let newX = -adj.value / (adj.upper - 1) * workspacesWidth;
-
-            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;
-            }
+        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;
         }
     }
 };
@@ -532,12 +509,7 @@ var WorkspacesDisplay = class {
     _onPan(action) {
         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;
-        else
-            adjustment.value -= (dx / this.actor.width) * adjustment.page_size;
+        adjustment.value -= (dy / this.actor.height) * adjustment.page_size;
         return false;
     }
 
@@ -569,12 +541,7 @@ var WorkspacesDisplay = class {
         let workspaceManager = global.workspace_manager;
         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;
-        else
-            adjustment.value = (active - xRel / this.actor.width) * adjustment.page_size;
+        adjustment.value = (active - yRel / this.actor.height) * adjustment.page_size;
     }
 
     _onSwitchWorkspaceActivated(action, direction) {
@@ -798,12 +765,6 @@ var WorkspacesDisplay = class {
         case Clutter.ScrollDirection.DOWN:
             ws = activeWs.get_neighbor(Meta.MotionDirection.DOWN);
             break;
-        case Clutter.ScrollDirection.LEFT:
-            ws = activeWs.get_neighbor(Meta.MotionDirection.LEFT);
-            break;
-        case Clutter.ScrollDirection.RIGHT:
-            ws = activeWs.get_neighbor(Meta.MotionDirection.RIGHT);
-            break;
         default:
             return Clutter.EVENT_PROPAGATE;
         }

meson.build

@@ -1,5 +1,5 @@
 project('gnome-shell', 'c',
-  version: '3.33.4',
+  version: '3.33.3',
   meson_version: '>= 0.47.0',
   license: 'GPLv2+'
 )
@@ -17,11 +17,13 @@ croco_req = '>= 0.6.8'
 ecal_req = '>= 3.33.1'
 eds_req = '>= 3.17.2'
 gcr_req = '>= 3.7.5'
+gdesktop_req = '>= 3.7.90'
 gio_req = '>= 2.56.0'
 gi_req = '>= 1.49.1'
 gjs_req = '>= 1.57.3'
 gtk_req = '>= 3.15.0'
-mutter_req = '>= 3.33.4'
+json_glib_req = '>= 0.13.2'
+mutter_req = '>= 3.33.3'
 polkit_req = '>= 0.100'
 schemas_req = '>= 3.27.90'
 startup_req = '>= 0.11'

src/main.c

@@ -372,7 +372,7 @@ dump_gjs_stack_alarm_sigaction (int signo)
 static void
 dump_gjs_stack_on_signal_handler (int signo)
 {
-  struct sigaction sa = { .sa_handler = dump_gjs_stack_alarm_sigaction };
+  struct sigaction sa = { 0 };
   gsize i;
 
   /* Ignore all the signals starting this point, a part the one we'll raise
@@ -388,6 +388,7 @@ dump_gjs_stack_on_signal_handler (int signo)
 
   /* Waiting at least 5 seconds for the dumpstack, if it fails, we raise the error */
   caught_signal = signo;
+  sa.sa_handler = dump_gjs_stack_alarm_sigaction;
   sigemptyset (&sa.sa_mask);
   sigaction (SIGALRM, &sa, NULL);
 
@@ -401,11 +402,10 @@ dump_gjs_stack_on_signal_handler (int signo)
 static void
 dump_gjs_stack_on_signal (int signo)
 {
-  struct sigaction sa = {
-    .sa_flags   = SA_RESETHAND | SA_NODEFER,
-    .sa_handler = dump_gjs_stack_on_signal_handler,
-  };
+  struct sigaction sa = { 0 };
 
+  sa.sa_flags   = SA_RESETHAND | SA_NODEFER;
+  sa.sa_handler = dump_gjs_stack_on_signal_handler;
   sigemptyset (&sa.sa_mask);
 
   sigaction (signo, &sa, NULL);

src/shell-secure-text-buffer.c

@@ -108,7 +108,7 @@ shell_secure_text_buffer_real_insert_text (ClutterTextBuffer *buffer,
 
   /* Actual text insertion */
   at = g_utf8_offset_to_pointer (self->text, position) - self->text;
-  memmove (self->text + at + n_bytes, self->text + at, self->text_bytes - at);
+  g_memmove (self->text + at + n_bytes, self->text + at, self->text_bytes - at);
   memcpy (self->text + at, chars, n_bytes);
 
   /* Book keeping */
@@ -138,7 +138,7 @@ shell_secure_text_buffer_real_delete_text (ClutterTextBuffer *buffer,
       start = g_utf8_offset_to_pointer (self->text, position) - self->text;
       end = g_utf8_offset_to_pointer (self->text, position + n_chars) - self->text;
 
-      memmove (self->text + start, self->text + end, self->text_bytes + 1 - end);
+      g_memmove (self->text + start, self->text + end, self->text_bytes + 1 - end);
       self->text_chars -= n_chars;
       self->text_bytes -= (end - start);