Replaced file structures for themes in the correct format

1 files changed, 1535 insertions, 0 deletions

diff --git a/raveos-gnome-theme/theme-data/extensions/installed/dash-to-dock@micxgx.gmail.com/locations.js b/raveos-gnome-theme/theme-data/extensions/installed/dash-to-dock@micxgx.gmail.com/locations.js
new file mode 100644
index 0000000..534466c
--- /dev/null
+++ b/raveos-gnome-theme/theme-data/extensions/installed/dash-to-dock@micxgx.gmail.com/locations.js
@@ -0,0 +1,1535 @@
+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+
+import {
+    Gio,
+    GioUnix,
+    GLib,
+    GObject,
+    Shell,
+    St,
+} from './dependencies/gi.js';
+
+import {ShellMountOperation} from './dependencies/shell/ui.js';
+
+import {
+    Docking,
+    Utils,
+} from './imports.js';
+
+import {Extension} from './dependencies/shell/extensions/extension.js';
+
+// Use __ () and N__() for the extension gettext domain, and reuse
+// the shell domain with the default _() and N_()
+const {gettext: __} = Extension;
+
+const {signals: Signals} = imports;
+
+const FALLBACK_REMOVABLE_MEDIA_ICON = 'drive-removable-media';
+const FALLBACK_TRASH_ICON = 'user-trash';
+const FILE_MANAGER_DESKTOP_APP_ID = 'org.gnome.Nautilus.desktop';
+const ATTRIBUTE_METADATA_CUSTOM_ICON = 'metadata::custom-icon';
+const TRASH_URI = 'trash://';
+const UPDATE_TRASH_DELAY = 1000;
+const LAUNCH_HANDLER_MAX_WAIT = 200;
+
+const NautilusFileOperations2Interface = '<node>\
+    <interface name="org.gnome.Nautilus.FileOperations2">\
+        <method name="EmptyTrash">\
+            <arg type="b" name="ask_confirmation" direction="in"/>\
+            <arg type="a{sv}" name="platform_data" direction="in"/>\
+        </method>\
+    </interface>\
+</node>';
+
+const NautilusFileOperations2ProxyInterface =
+    Gio.DBusProxy.makeProxyWrapper(NautilusFileOperations2Interface);
+
+const Labels = Object.freeze({
+    LOCATION_WINDOWS: Symbol('location-windows'),
+    WINDOWS_CHANGED: Symbol('windows-changed'),
+});
+
+const GJS_SUPPORTS_FILE_IFACE_PROMISES = imports.system.version >= 17101;
+
+if (GJS_SUPPORTS_FILE_IFACE_PROMISES) {
+    Gio._promisify(Gio.File.prototype, 'query_info_async');
+    Gio._promisify(Gio.File.prototype, 'query_default_handler_async');
+}
+
+
+/**
+ *
+ */
+function makeNautilusFileOperationsProxy() {
+    const proxy = new NautilusFileOperations2ProxyInterface(
+        Gio.DBus.session,
+        'org.gnome.Nautilus',
+        '/org/gnome/Nautilus/FileOperations2', (_p, error) => {
+            if (error)
+                logError(error, 'Error connecting to Nautilus');
+        }
+    );
+
+    proxy.platformData = params => {
+        const defaultParams = {
+            parentHandle: '',
+            timestamp: global.get_current_time(),
+            windowPosition: 'center',
+        };
+        const {parentHandle, timestamp, windowPosition} = {
+            ...defaultParams,
+            ...params,
+        };
+
+        return {
+            'parent-handle': new GLib.Variant('s', parentHandle),
+            'timestamp': new GLib.Variant('u', timestamp),
+            'window-position': new GLib.Variant('s', windowPosition),
+        };
+    };
+
+    return proxy;
+}
+
+export const LocationAppInfo = GObject.registerClass({
+    Implements: [Gio.AppInfo],
+    Properties: {
+        'location': GObject.ParamSpec.object(
+            'location', 'location', 'location',
+            GObject.ParamFlags.READWRITE,
+            Gio.File.$gtype),
+        'name': GObject.ParamSpec.string(
+            'name', 'name', 'name',
+            GObject.ParamFlags.READWRITE,
+            null),
+        'icon': GObject.ParamSpec.object(
+            'icon', 'icon', 'icon',
+            GObject.ParamFlags.READWRITE,
+            Gio.Icon.$gtype),
+        'cancellable': GObject.ParamSpec.object(
+            'cancellable', 'cancellable', 'cancellable',
+            GObject.ParamFlags.READWRITE,
+            Gio.Cancellable.$gtype),
+    },
+}, class LocationAppInfo extends GioUnix.DesktopAppInfo {
+    static get GJS_BINARY_PATH() {
+        if (!this._gjsBinaryPath)
+            this._gjsBinaryPath = GLib.find_program_in_path('gjs');
+
+        return this._gjsBinaryPath;
+    }
+
+    list_actions() {
+        return [];
+    }
+
+    get_action_name() {
+        return null;
+    }
+
+    get_boolean() {
+        return false;
+    }
+
+    vfunc_dup() {
+        return new LocationAppInfo({
+            location: this.location,
+            name: this.name,
+            icon: this.icon,
+            cancellable: this.cancellable,
+        });
+    }
+
+    vfunc_equal(other) {
+        if (this.location)
+            return this.location.equal(other?.location);
+
+        return this.name === other.name &&
+            (this.icon ? this.icon.equal(other?.icon) : !other?.icon);
+    }
+
+    vfunc_get_id() {
+        return 'location:%s'.format(this.location?.get_uri());
+    }
+
+    vfunc_get_name() {
+        return this.name;
+    }
+
+    vfunc_get_description() {
+        return null;
+    }
+
+    vfunc_get_executable() {
+        return null;
+    }
+
+    vfunc_get_icon() {
+        return this.icon;
+    }
+
+    vfunc_launch(files, context) {
+        if (files?.length) {
+            throw new GLib.Error(Gio.IOErrorEnum,
+                Gio.IOErrorEnum.NOT_SUPPORTED, 'Launching with files not supported');
+        }
+
+        return this.getHandlerApp().launch_uris([this.location.get_uri()], context);
+    }
+
+    vfunc_supports_uris() {
+        return false;
+    }
+
+    vfunc_supports_files() {
+        return false;
+    }
+
+    vfunc_launch_uris(uris, context) {
+        return this.launch(uris, context);
+    }
+
+    vfunc_should_show() {
+        return true;
+    }
+
+    vfunc_set_as_default_for_type() {
+        throw new GLib.Error(Gio.IOErrorEnum,
+            Gio.IOErrorEnum.NOT_SUPPORTED, 'Not supported');
+    }
+
+    vfunc_set_as_default_for_extension() {
+        throw new GLib.Error(Gio.IOErrorEnum,
+            Gio.IOErrorEnum.NOT_SUPPORTED, 'Not supported');
+    }
+
+    vfunc_add_supports_type() {
+        throw new GLib.Error(Gio.IOErrorEnum,
+            Gio.IOErrorEnum.NOT_SUPPORTED, 'Not supported');
+    }
+
+    vfunc_can_remove_supports_type() {
+        return false;
+    }
+
+    vfunc_remove_supports_type() {
+        return false;
+    }
+
+    vfunc_can_delete() {
+        return false;
+    }
+
+    vfunc_do_delete() {
+        return false;
+    }
+
+    vfunc_get_commandline() {
+        try {
+            return this.getHandlerApp().get_commandline();
+        } catch {
+            return this._getFallbackCommandLine();
+        }
+    }
+
+    vfunc_get_display_name() {
+        return this.name;
+    }
+
+    vfunc_set_as_last_used_for_type() {
+        throw new GLib.Error(Gio.IOErrorEnum,
+            Gio.IOErrorEnum.NOT_SUPPORTED, 'Not supported');
+    }
+
+    vfunc_get_supported_types() {
+        return [];
+    }
+
+    _getFallbackCommandLine() {
+        return `gio open ${this.location?.get_uri()}`;
+    }
+
+    async _queryLocationIcons(params) {
+        const icons = {standard: null, custom: null};
+        if (!this.location)
+            return icons;
+
+        const cancellable = params.cancellable ?? this.cancellable;
+        const iconsQuery = [];
+        if (params?.standard)
+            iconsQuery.push(Gio.FILE_ATTRIBUTE_STANDARD_ICON);
+
+        if (params?.custom)
+            iconsQuery.push(ATTRIBUTE_METADATA_CUSTOM_ICON);
+
+        if (!iconsQuery.length)
+            throw new Error('Invalid Query Location Icons parameters');
+
+        let info;
+        try {
+            if (!GJS_SUPPORTS_FILE_IFACE_PROMISES) {
+                Gio._promisify(this.location.constructor.prototype,
+                    'query_info_async', 'query_info_finish');
+            }
+            info = await this.location.query_info_async(
+                iconsQuery.join(','),
+                Gio.FileQueryInfoFlags.NONE,
+                GLib.PRIORITY_LOW, cancellable);
+            if (info.has_attribute(Gio.FILE_ATTRIBUTE_STANDARD_ICON))
+                icons.standard = info.get_icon();
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND) ||
+                e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_MOUNTED))
+                return icons;
+            throw e;
+        }
+
+        const customIcon = info.get_attribute_string(ATTRIBUTE_METADATA_CUSTOM_ICON);
+        if (customIcon) {
+            const customIconFile = GLib.uri_parse_scheme(customIcon)
+                ? Gio.File.new_for_uri(customIcon) : Gio.File.new_for_path(customIcon);
+            const iconFileInfo = await customIconFile.query_info_async(
+                Gio.FILE_ATTRIBUTE_STANDARD_TYPE,
+                Gio.FileQueryInfoFlags.NONE,
+                GLib.PRIORITY_LOW, cancellable);
+
+            if (iconFileInfo.get_file_type() === Gio.FileType.REGULAR)
+                icons.custom = Gio.FileIcon.new(customIconFile);
+        }
+
+        return icons;
+    }
+
+    async _updateLocationIcon(params = {standard: true, custom: true}) {
+        const cancellable = new Utils.CancellableChild(this.cancellable);
+
+        try {
+            this._updateIconCancellable?.cancel();
+            this._updateIconCancellable = cancellable;
+
+            const icons = await this._queryLocationIcons({cancellable, ...params});
+            const icon = icons.custom ?? icons.standard;
+
+            if (icon && !icon.equal(this.icon))
+                this.icon = icon;
+        } catch (e) {
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                logError(e, 'Impossible to update icon for %s'.format(this.get_id()));
+        } finally {
+            cancellable.cancel();
+            if (this._updateIconCancellable === cancellable)
+                delete this._updateIconCancellable;
+        }
+    }
+
+    async _getHandlerAppAsync(cancellable) {
+        if (!this.location)
+            return null;
+
+        try {
+            if (!GJS_SUPPORTS_FILE_IFACE_PROMISES) {
+                Gio._promisify(this.location.constructor.prototype,
+                    'query_default_handler_async',
+                    'query_default_handler_finish');
+            }
+
+            return await this.location.query_default_handler_async(
+                GLib.PRIORITY_DEFAULT, cancellable);
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_MOUNTED))
+                return getFileManagerApp()?.appInfo;
+
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
+                logError(e, 'Impossible to find an URI handler for %s'.format(
+                    this.get_id()));
+            }
+
+            throw e;
+        }
+    }
+
+    _getHandlerAppFromWorker(cancellable) {
+        const locationsWorker = GLib.build_filenamev([
+            Docking.DockManager.extension.path,
+            'locationsWorker.js',
+        ]);
+        const locationsWorkerArgs = [LocationAppInfo.GJS_BINARY_PATH, '-m',
+            locationsWorker, 'handler', this.location.get_uri(),
+            '--timeout', `${LAUNCH_HANDLER_MAX_WAIT}`];
+        const subProcess = Gio.Subprocess.new(locationsWorkerArgs,
+            Gio.SubprocessFlags.STDOUT_PIPE | Gio.SubprocessFlags.STDERR_PIPE);
+
+        try {
+            const [, stdOut, stdErr] = subProcess.communicate(null, cancellable);
+            subProcess.wait(cancellable);
+            const errorCode = subProcess.get_exit_status();
+            const textDecoder = new TextDecoder();
+
+            if (errorCode) {
+                const errorLines = textDecoder.decode(stdErr.toArray()).split('\n');
+                const error = new GLib.Error(Gio.IOErrorEnum,
+                    errorCode === GLib.MAXUINT8 ? 0 : errorCode, errorLines[0]);
+                error.stack = `${errorLines.slice(3).join('\n')}${error.stack}`;
+                throw error;
+            }
+
+            const desktopId = textDecoder.decode(stdOut.toArray()).trim();
+            const handlerApp = Shell.AppSystem.get_default().lookup_app(desktopId)?.appInfo;
+            return handlerApp;
+        } finally {
+            subProcess.force_exit();
+        }
+    }
+
+    getHandlerApp() {
+        if (this._handlerApp)
+            return this._handlerApp;
+
+        if (!this.location)
+            return null;
+
+        const cancellable = new Utils.CancellableChild(this.cancellable);
+
+        try {
+            if (LocationAppInfo.GJS_BINARY_PATH)
+                this._handlerApp = this._getHandlerAppFromWorker(cancellable);
+            else
+                this._handlerApp = this.location.query_default_handler(cancellable);
+
+            if (!this._handlerApp) {
+                throw new GLib.Error(Gio.IOErrorEnum,
+                    Gio.IOErrorEnum.NOT_FOUND, `Handler for ${this.location} not found`);
+            }
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_MOUNTED))
+                return getFileManagerApp()?.appInfo;
+
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
+                logError(e, 'Impossible to find an URI handler for %s'.format(
+                    this.get_id()));
+            }
+
+            throw e;
+        }
+
+        return this._handlerApp;
+    }
+
+    destroy() {
+        this.location = null;
+        this.icon = null;
+        this.name = null;
+        this._handlerApp = null;
+        this.cancellable?.cancel();
+    }
+});
+
+const RemovableAction = Object.freeze({
+    MOUNT: 'mount',
+    UNMOUNT: 'unmount',
+    EJECT: 'eject',
+});
+
+const MountableVolumeAppInfo = GObject.registerClass({
+    Implements: [Gio.AppInfo],
+    Properties: {
+        'volume': GObject.ParamSpec.object(
+            'volume', 'volume', 'volume',
+            GObject.ParamFlags.READWRITE | GObject.ParamFlags.CONSTRUCT_ONLY,
+            Gio.Volume.$gtype),
+        'mount': GObject.ParamSpec.object(
+            'mount', 'mount', 'mount',
+            GObject.ParamFlags.READWRITE,
+            Gio.Mount.$gtype),
+        'busy': GObject.ParamSpec.boolean(
+            'busy', 'busy', 'busy',
+            GObject.ParamFlags.READWRITE,
+            false),
+    },
+},
+class MountableVolumeAppInfo extends LocationAppInfo {
+    _init(volume, cancellable = null) {
+        super._init({
+            volume,
+            cancellable,
+        });
+
+        this._signalsHandler = new Utils.GlobalSignalsHandler();
+
+        const updateAndMonitor = () => {
+            this._update();
+            this._monitorChanges();
+        };
+        updateAndMonitor();
+        this._mountChanged = this.connect('notify::mount', updateAndMonitor);
+
+        if (!this.mount && this.volume.get_identifier('class') === 'network') {
+            // For some devices the mount point isn't advertised promptly
+            // even if it's already existing, and there's no signaling about
+            this._lazyUpdater = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, 2, () => {
+                this._update();
+                delete this._lazyUpdater;
+                return GLib.SOURCE_REMOVE;
+            });
+        }
+    }
+
+    get busy() {
+        return !!this._currentAction;
+    }
+
+    get currentAction() {
+        return this._currentAction;
+    }
+
+    destroy() {
+        if (this._lazyUpdater) {
+            GLib.source_remove(this._lazyUpdater);
+            delete this._lazyUpdater;
+        }
+        this.disconnect(this._mountChanged);
+        this.mount = null;
+        this._signalsHandler.destroy();
+
+        super.destroy();
+    }
+
+    vfunc_dup() {
+        return new MountableVolumeAppInfo({
+            volume: this.volume,
+            cancellable: this.cancellable,
+        });
+    }
+
+    vfunc_get_id() {
+        const uuid = this.mount?.get_uuid() ?? this.volume.get_uuid();
+        return uuid ? 'mountable-volume:%s'.format(uuid) : super.vfunc_get_id();
+    }
+
+    vfunc_equal(other) {
+        if (this.volume === other?.volume && this.mount === other?.mount)
+            return true;
+
+        return this.get_id() === other?.get_id();
+    }
+
+    list_actions() {
+        const actions = [];
+        const {mount} = this;
+
+        if (mount) {
+            if (this.mount.can_unmount())
+                actions.push(RemovableAction.UNMOUNT);
+            if (this.mount.can_eject())
+                actions.push(RemovableAction.EJECT);
+
+            return actions;
+        }
+
+        if (this.volume.can_mount())
+            actions.push(RemovableAction.MOUNT);
+        if (this.volume.can_eject())
+            actions.push(RemovableAction.EJECT);
+
+        return actions;
+    }
+
+    get_action_name(action) {
+        switch (action) {
+        case RemovableAction.MOUNT:
+            return __('Mount');
+        case RemovableAction.UNMOUNT:
+            return __('Unmount');
+        case RemovableAction.EJECT:
+            return __('Eject');
+        default:
+            return null;
+        }
+    }
+
+    vfunc_launch(files, context) {
+        if (this.mount || files?.length)
+            return super.vfunc_launch(files, context);
+
+        this.mountAndLaunch(files, context);
+        return true;
+    }
+
+    _update() {
+        this.mount = this.volume.get_mount();
+
+        const removable = this.mount ?? this.volume;
+        this.name = removable.get_name();
+        this.icon = removable.get_icon();
+
+        this.location = this.mount?.get_default_location() ??
+            this.volume.get_activation_root();
+
+        this._updateLocationIcon({custom: true});
+    }
+
+    _monitorChanges() {
+        this._signalsHandler.destroy();
+
+        const removable = this.mount ?? this.volume;
+        this._signalsHandler.add(removable, 'changed', () => this._update());
+
+        if (this.mount) {
+            this._signalsHandler.add(this.mount, 'pre-unmount', () => this._update());
+            this._signalsHandler.add(this.mount, 'unmounted', () => this._update());
+        }
+    }
+
+    async mountAndLaunch(files, context) {
+        if (this.mount)
+            return super.vfunc_launch(files, context);
+
+        try {
+            await this.launchAction(RemovableAction.MOUNT);
+            if (!this.mount) {
+                throw new Error('No mounted location to open for %s'.format(
+                    this.get_id()));
+            }
+
+            return super.vfunc_launch(files, context);
+        } catch (e) {
+            logError(e, 'Mount and launch %s'.format(this.get_id()));
+            return false;
+        }
+    }
+
+    _notifyActionError(action, message) {
+        switch (action) {
+        case RemovableAction.MOUNT:
+            global.notify_error(__('Failed to mount “%s”'.format(
+                this.get_name())), message);
+            break;
+
+        case RemovableAction.UNMOUNT:
+            global.notify_error(__('Failed to unmount “%s”'.format(
+                this.get_name())), message);
+            break;
+
+        case RemovableAction.EJECT:
+            global.notify_error(__('Failed to eject “%s”'.format(
+                this.get_name())), message);
+            break;
+        }
+    }
+
+    async launchAction(action) {
+        if (!this.list_actions().includes(action))
+            throw new Error('Action %s is not supported by %s', action, this);
+
+        switch (this._currentAction) {
+        case RemovableAction.MOUNT:
+            this._notifyActionError(action,
+                __('Mount operation already in progress'));
+            break;
+
+        case RemovableAction.UNMOUNT:
+            this._notifyActionError(action,
+                __('Unmount operation already in progress'));
+            break;
+
+        case RemovableAction.EJECT:
+            this._notifyActionError(action,
+                __('Eject operation already in progress'));
+            break;
+
+        default:
+            if (this._currentAction) {
+                throw new Error('Another action %s is being performed in %s'.format(
+                    this._currentAction, this));
+            }
+        }
+
+        this._currentAction = action;
+        this.notify('busy');
+        const removable = this.mount ?? this.volume;
+        const operation = new ShellMountOperation.ShellMountOperation(removable);
+        try {
+            switch (action) {
+            case RemovableAction.MOUNT:
+                await this.volume.mount(Gio.MountMountFlags.NONE, operation.mountOp,
+                    this.cancellable);
+                return true;
+
+            case RemovableAction.UNMOUNT:
+                await this.mount.unmount_with_operation(Gio.MountUnmountFlags.FORCE,
+                    operation.mountOp, this.cancellable);
+                return true;
+
+            case RemovableAction.EJECT:
+                await removable.eject_with_operation(Gio.MountUnmountFlags.FORCE,
+                    operation.mountOp, this.cancellable);
+                return true;
+
+            default:
+                logError(new Error(), 'No action %s on removable %s'.format(action,
+                    removable.get_name()));
+                return false;
+            }
+        } catch (e) {
+            if (action === RemovableAction.MOUNT &&
+                e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.ALREADY_MOUNTED))
+                return true;
+            else if (action === RemovableAction.UNMOUNT &&
+                     e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_MOUNTED))
+                return true;
+
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.FAILED))
+                this._notifyActionError(action, e.message);
+
+            if (action === RemovableAction.MOUNT && this._isEncryptedMountError(e)) {
+                delete this._currentAction;
+                operation.close();
+                return this.launchAction(action);
+            }
+
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
+                logError(e, 'Impossible to %s removable %s'.format(action,
+                    removable.get_name()));
+            }
+
+            return false;
+        } finally {
+            delete this._currentAction;
+            this.notify('busy');
+            this._update();
+            operation.close();
+        }
+    }
+
+    _isEncryptedMountError(error) {
+        // FIXME: we will always get G_IO_ERROR_FAILED from the gvfs udisks
+        // backend, see https://bugs.freedesktop.org/show_bug.cgi?id=51271
+
+        if (!error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.FAILED))
+            return false;
+
+        // cryptsetup
+        if (error.message.includes('No key available with this passphrase'))
+            return true;
+
+        // udisks (no password)
+        if (error.message.includes('No key available to unlock device'))
+            return true;
+
+        // libblockdev wrong password opening LUKS device
+        if (error.message.includes('Failed to activate device: Incorrect passphrase'))
+            return true;
+
+        // cryptsetup returns EINVAL in many cases, including wrong TCRYPT password/parameters
+        if (error.message.includes('Failed to load device\'s parameters: Invalid argument') ||
+            error.message.includes(`Failed to load device's parameters: ${GLib.strerror(22 /* EINVAL */)}`))
+            return true;
+
+        // cryptsetup returns EPERM when the TCRYPT header can't be decrypted
+        // with the provided password/parameters.
+        if (error.message.includes('Failed to load device\'s parameters: Operation not permitted') ||
+            error.message.includes(`Failed to load device's parameters: ${GLib.strerror(1 /* EPERM */)}`))
+            return true;
+
+        return false;
+    }
+});
+
+const TrashAppInfo = GObject.registerClass({
+    Implements: [Gio.AppInfo],
+    Properties: {
+        'empty': GObject.ParamSpec.boolean(
+            'empty', 'empty', 'empty',
+            GObject.ParamFlags.READWRITE,
+            true),
+    },
+},
+class TrashAppInfo extends LocationAppInfo {
+    static initPromises(file) {
+        if (TrashAppInfo._promisified)
+            return;
+
+        const trashProto = file.constructor.prototype;
+        Gio._promisify(Gio.FileEnumerator.prototype, 'close_async', 'close_finish');
+        Gio._promisify(Gio.FileEnumerator.prototype, 'next_files_async', 'next_files_finish');
+        Gio._promisify(trashProto, 'enumerate_children_async', 'enumerate_children_finish');
+        Gio._promisify(trashProto, 'query_info_async', 'query_info_finish');
+        TrashAppInfo._promisified = true;
+    }
+
+    _init(cancellable = null) {
+        super._init({
+            location: Gio.file_new_for_uri(TRASH_URI),
+            name: __('Trash'),
+            icon: Gio.ThemedIcon.new(FALLBACK_TRASH_ICON),
+            cancellable,
+        });
+        TrashAppInfo.initPromises(this.location);
+
+        try {
+            this._monitor = this.location.monitor_directory(0, this.cancellable);
+            this._schedUpdateId = 0;
+            this._monitorChangedId = this._monitor.connect('changed', () =>
+                this._onTrashChange());
+        } catch (e) {
+            if (e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                return;
+            logError(e, 'Impossible to monitor trash');
+        }
+        this._updateTrash();
+
+        this.connect('notify::empty', () => this._updateLocationIcon());
+        this.notify('empty');
+    }
+
+    destroy() {
+        if (this._schedUpdateId) {
+            GLib.source_remove(this._schedUpdateId);
+            this._schedUpdateId = 0;
+        }
+        this._updateTrashCancellable?.cancel();
+        this._monitor?.disconnect(this._monitorChangedId);
+        this._monitor = null;
+
+        super.destroy();
+    }
+
+    list_actions() {
+        return this.empty ? [] : ['empty-trash'];
+    }
+
+    get_action_name(action) {
+        switch (action) {
+        case 'empty-trash':
+            return __('Empty Trash');
+        default:
+            return null;
+        }
+    }
+
+    _onTrashChange() {
+        if (this._schedUpdateId) {
+            GLib.source_remove(this._schedUpdateId);
+            this._schedUpdateId = 0;
+        }
+
+        if (this._monitor.is_cancelled())
+            return;
+
+        this._schedUpdateId = GLib.timeout_add(GLib.PRIORITY_LOW,
+            UPDATE_TRASH_DELAY, () => {
+                this._schedUpdateId = 0;
+                this._updateTrash();
+                return GLib.SOURCE_REMOVE;
+            });
+    }
+
+    async _updateTrash() {
+        const priority = GLib.PRIORITY_LOW;
+        this._updateTrashCancellable?.cancel();
+        const cancellable = new Utils.CancellableChild(this.cancellable);
+        this._updateTrashCancellable = cancellable;
+
+        try {
+            const trashInfo = await this.location.query_info_async(
+                Gio.FILE_ATTRIBUTE_TRASH_ITEM_COUNT,
+                Gio.FileQueryInfoFlags.NONE,
+                priority, cancellable);
+            this.empty = !trashInfo.get_attribute_uint32(
+                Gio.FILE_ATTRIBUTE_TRASH_ITEM_COUNT);
+            return;
+        } catch (e) {
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                logError(e, 'Impossible to get trash children from infos');
+        } finally {
+            cancellable.cancel();
+            if (this._updateIconCancellable === cancellable)
+                delete this._updateTrashCancellable;
+        }
+
+        try {
+            const childrenEnumerator = await this.location.enumerate_children_async(
+                Gio.FILE_ATTRIBUTE_STANDARD_TYPE, Gio.FileQueryInfoFlags.NONE,
+                priority, cancellable);
+            const children = await childrenEnumerator.next_files_async(1,
+                priority, cancellable);
+            this.empty = !children.length;
+
+            await childrenEnumerator.close_async(priority, null);
+        } catch (e) {
+            if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
+                logError(e, 'Impossible to enumerate trash children');
+        } finally {
+            cancellable.cancel();
+            if (this._updateIconCancellable === cancellable)
+                delete this._updateTrashCancellable;
+        }
+    }
+
+    launchAction(action, timestamp) {
+        if (!this.list_actions().includes(action))
+            throw new Error('Action %s is not supported by %s', action, this);
+
+        const nautilus = makeNautilusFileOperationsProxy();
+        const askConfirmation = true;
+        nautilus.EmptyTrashRemote(askConfirmation,
+            nautilus.platformData({timestamp}), (_p, error) => {
+                if (error)
+                    logError(error, 'Empty trash failed');
+            }, this.cancellable);
+    }
+});
+
+/**
+ * @param shellApp
+ */
+function wrapWindowsBackedApp(shellApp) {
+    if (shellApp._dtdData)
+        throw new Error('%s has been already wrapped'.format(shellApp));
+
+    shellApp._dtdData = {
+        windows: [],
+        state: undefined,
+        startingWorkspace: 0,
+        isFocused: false,
+        proxyProperties: [],
+        sources: new Set(),
+        signalConnections: new Utils.GlobalSignalsHandler(),
+        methodInjections: new Utils.InjectionsHandler(),
+        propertyInjections: new Utils.PropertyInjectionsHandler(),
+        addProxyProperties(parent, proxyProperties) {
+            Object.entries(proxyProperties).forEach(([p, o]) => {
+                const publicProp = o.public ? p : `_${p}`;
+                const get = o.getter && o.value instanceof Function
+                    ? () => this[p]() : () => this[p];
+                Object.defineProperty(parent, publicProp, Object.assign({
+                    get,
+                    set: v => (this[p] = v),
+                    configurable: true,
+                    enumerable: !!o.enumerable,
+                }, o.readOnly ? {set: undefined} : {}));
+                if (o.value)
+                    this[p] = o.value;
+                this.proxyProperties.push(publicProp);
+            });
+        },
+        destroy() {
+            this.windows = [];
+            this.proxyProperties = [];
+            this.sources.forEach(s => GLib.source_remove(s));
+            this.sources.clear();
+            this.signalConnections.destroy();
+            this.methodInjections.destroy();
+            this.propertyInjections.destroy();
+        },
+    };
+
+    shellApp._dtdData.addProxyProperties(shellApp, {
+        windows: {},
+        state: {},
+        startingWorkspace: {},
+        isFocused: {public: true},
+        signalConnections: {readOnly: true},
+        sources: {readOnly: true},
+        checkFocused: {},
+        setDtdData: {},
+    });
+
+    shellApp._setDtdData = function (data, params = {}) {
+        for (const [name, value] of Object.entries(data)) {
+            if (params.readOnly && name in this._dtdData)
+                throw new Error('Property %s is already defined'.format(name));
+            const defaultParams = {public: true, readOnly: true};
+            this._dtdData.addProxyProperties(this, {
+                [name]: {...defaultParams, ...params, value},
+            });
+        }
+    };
+
+    const m = (...args) => shellApp._dtdData.methodInjections.add(shellApp, ...args);
+    const p = (...args) => shellApp._dtdData.propertyInjections.add(shellApp, ...args);
+
+    // mi is Method injector, pi is Property injector
+    shellApp._setDtdData({mi: m, pi: p}, {public: false});
+
+    m('get_state', () => shellApp._state ?? shellApp._getStateByWindows());
+    p('state', {get: () => shellApp.get_state()});
+
+    m('get_windows', () => shellApp._windows);
+    m('get_n_windows', () => shellApp._windows.length);
+    m('get_pids', () => shellApp._windows.reduce((pids, w) => {
+        if (w.get_pid() > 0 && !pids.includes(w.get_pid()))
+            pids.push(w.get_pid());
+        return pids;
+    }, []));
+    m('is_on_workspace', (_om, workspace) => shellApp._windows.some(w =>
+        w.get_workspace() === workspace) ||
+        (shellApp.state === Shell.AppState.STARTING &&
+         [-1, workspace.index()].includes(shellApp._startingWorkspace)));
+    m('request_quit', () => shellApp._windows.filter(w =>
+        w.can_close()).forEach(w => w.delete(global.get_current_time())));
+
+    shellApp._setDtdData({
+        _getStateByWindows() {
+            return this.get_n_windows() ? Shell.AppState.RUNNING : Shell.AppState.STOPPED;
+        },
+
+        _updateWindows() {
+            throw new GObject.NotImplementedError(`_updateWindows in ${this.constructor.name}`);
+        },
+
+        _notifyStateChanged() {
+            Shell.AppSystem.get_default().emit('app-state-changed', this);
+            this.notify('state');
+        },
+
+        _setState(state) {
+            const oldState = this.state;
+            this._state = state;
+
+            if (this.state !== oldState)
+                this._notifyStateChanged();
+        },
+
+        _setWindows(windows) {
+            const oldState = this.state;
+            const oldWindows = this._windows.slice();
+            const result = {windowsChanged: false, stateChanged: false};
+            this._state = undefined;
+
+            if (windows.length !== oldWindows.length ||
+                windows.some((win, index) => win !== oldWindows[index])) {
+                this._windows = windows.filter(w => !w.is_override_redirect());
+                this.emit('windows-changed');
+                result.windowsChanged = true;
+            }
+
+            if (this.state !== oldState) {
+                this._notifyStateChanged();
+                this._checkFocused();
+                result.stateChanged = true;
+            }
+
+            return result;
+        },
+    }, {readOnly: false});
+
+    shellApp._sources.add(GLib.idle_add(GLib.DEFAULT_PRIORITY, () => {
+        shellApp._updateWindows();
+        shellApp._sources.delete(GLib.main_current_source().source_id);
+        return GLib.SOURCE_REMOVE;
+    }));
+
+    const windowTracker = Shell.WindowTracker.get_default();
+    shellApp._checkFocused = function () {
+        if (this._windows.some(w => w.has_focus())) {
+            this.isFocused = true;
+            windowTracker.notify('focus-app');
+        } else if (this.isFocused) {
+            this.isFocused = false;
+            windowTracker.notify('focus-app');
+        }
+    };
+
+    shellApp._checkFocused();
+    shellApp._signalConnections.add(global.display, 'notify::focus-window', () =>
+        shellApp._checkFocused());
+
+    // Re-implements shell_app_activate_window for generic activation and alt-tab support
+    m('activate_window', function (_om, window, timestamp) {
+        /* eslint-disable no-invalid-this */
+        if (!window)
+            [window] = this.get_windows();
+        else if (!this._windows.includes(window))
+            return;
+
+        const currentWorkspace = global.workspace_manager.get_active_workspace();
+        const workspace = window.get_workspace();
+        const sameWorkspaceWindows = this.get_windows().filter(w =>
+            w.get_workspace() === workspace);
+        sameWorkspaceWindows.forEach(w => w.raise());
+
+        if (workspace !== currentWorkspace)
+            workspace.activate_with_focus(window, timestamp);
+        else
+            window.activate(timestamp);
+        /* eslint-enable no-invalid-this */
+    });
+
+    // Re-implements shell_app_activate_full for generic activation and dash support
+    m('activate_full', function (_om, workspace, timestamp) {
+        /* eslint-disable no-invalid-this */
+        if (!timestamp)
+            timestamp = global.get_current_time();
+
+        switch (this.state) {
+        case Shell.AppState.STOPPED:
+            try {
+                this._startingWorkspace = workspace;
+                this._setState(Shell.AppState.STARTING);
+                this.launch(timestamp, workspace, Shell.AppLaunchGpu.APP_PREF);
+            } catch (e) {
+                logError(e);
+                this._setState(Shell.AppState.STOPPED);
+                global.notify_error(_('Failed to launch “%s”'.format(
+                    this.get_name())), e.message);
+            }
+            break;
+        case Shell.AppState.RUNNING:
+            this.activate_window(null, timestamp);
+            break;
+        }
+        /* eslint-enable no-invalid-this */
+    });
+
+    m('activate', () => shellApp.activate_full(-1, 0));
+
+    m('compare', (_om, other) => Utils.shellAppCompare(shellApp, other));
+
+    const {destroy: defaultDestroy} = shellApp;
+    shellApp.destroy = function () {
+        /* eslint-disable no-invalid-this */
+        this._dtdData.proxyProperties.forEach(prop => delete this[prop]);
+        this._dtdData.destroy();
+        this._dtdData = undefined;
+        this.appInfo.destroy?.();
+        this.destroy = defaultDestroy;
+        defaultDestroy?.call(this);
+        /* eslint-enable no-invalid-this */
+    };
+
+    return shellApp;
+}
+
+/**
+ * We can't inherit from Shell.App as it's a final type, so let's patch it
+ *
+ * @param params
+ */
+function makeLocationApp(params) {
+    if (!(params?.appInfo instanceof LocationAppInfo))
+        throw new TypeError('Invalid location');
+
+    const {fallbackIconName} = params;
+    delete params.fallbackIconName;
+
+    const shellApp = new Shell.App(params);
+    wrapWindowsBackedApp(shellApp);
+
+    shellApp._setDtdData({
+        location: () => shellApp.appInfo.location,
+        isTrash: shellApp.appInfo instanceof TrashAppInfo,
+    }, {getter: true, enumerable: true});
+
+    shellApp._mi('toString', defaultToString =>
+        '[LocationApp "%s" - %s]'.format(shellApp.get_id(),
+            defaultToString.call(shellApp)));
+
+    shellApp._mi('launch', (_om, timestamp, workspace, _gpuPref) =>
+        shellApp.appInfo.launch([],
+            global.create_app_launch_context(timestamp, workspace)));
+
+    shellApp._mi('launch_action', (_om, actionName, ...args) =>
+        shellApp.appInfo.launchAction(actionName, ...args));
+
+    shellApp._mi('create_icon_texture', (_om, iconSize) => new St.Icon({
+        iconSize,
+        gicon: shellApp.icon,
+        fallbackIconName,
+    }));
+
+    // FIXME: We need to add a new API to Nautilus to open new windows
+    shellApp._mi('can_open_new_window', () => {
+        try {
+            if (!shellApp.get_n_windows())
+                return true;
+
+            const handlerApp = shellApp.appInfo.getHandlerApp();
+
+            if (handlerApp.has_key('SingleMainWindow'))
+                return !handlerApp.get_boolean('SingleMainWindow');
+
+            if (handlerApp.has_key('X-GNOME-SingleWindow'))
+                return !handlerApp.get_boolean('X-GNOME-SingleWindow');
+
+            if (handlerApp.get_commandline()?.split(' ').includes('--new-window'))
+                return true;
+
+            const [window] = shellApp.get_windows();
+            if (window && window.get_gtk_window_object_path())
+                return window.get_gtk_application_id() === null;
+
+            return true;
+        } catch {
+            return false;
+        }
+    });
+
+    shellApp._mi('open_new_window', function (_om, workspace) {
+        /* eslint-disable no-invalid-this */
+        const context = global.create_app_launch_context(0, workspace);
+        if (!this.get_n_windows()) {
+            this.appInfo.launch([], context);
+            return;
+        }
+        const appId = this.appInfo.get_id();
+        Gio.AppInfo.create_from_commandline(this.appInfo.get_commandline(),
+            this.appInfo.get_id(), appId
+                ? Gio.AppInfoCreateFlags.SUPPORTS_STARTUP_NOTIFICATION
+                : Gio.AppInfoCreateFlags.NONE).launch_uris(
+            [this.appInfo.location.get_uri()], context);
+        /* eslint-enable no-invalid-this */
+    });
+
+    if (shellApp.appInfo instanceof MountableVolumeAppInfo) {
+        shellApp._mi('get_busy', function (parentGetBusy) {
+            /* eslint-disable no-invalid-this */
+            if (this.appInfo.busy)
+                return true;
+            return parentGetBusy.call(this);
+            /* eslint-enable no-invalid-this */
+        });
+        shellApp._pi('busy', {get: () => shellApp.get_busy()});
+        shellApp._signalConnections.add(shellApp.appInfo, 'notify::busy', _ =>
+            shellApp.notify('busy'));
+    }
+
+    shellApp._mi('get_windows', function () {
+        /* eslint-disable no-invalid-this */
+        if (this._needsResort)
+            this._sortWindows();
+        return this._windows;
+        /* eslint-enable no-invalid-this */
+    });
+
+    const {fm1Client} = Docking.DockManager.getDefault();
+    shellApp._setDtdData({
+        _needsResort: true,
+
+        _windowsOrderChanged() {
+            this._needsResort = true;
+            this.emit('windows-changed');
+        },
+
+        _sortWindows() {
+            this._windows.sort(Utils.shellWindowsCompare);
+            this._needsResort = false;
+        },
+
+        _updateWindows() {
+            const windows = fm1Client.getWindows(this.location?.get_uri()).sort(
+                Utils.shellWindowsCompare);
+            const {windowsChanged} = this._setWindows(windows);
+
+            if (!windowsChanged)
+                return;
+
+            this._signalConnections.removeWithLabel(Labels.LOCATION_WINDOWS);
+            windows.forEach(w =>
+                this._signalConnections.addWithLabel(Labels.LOCATION_WINDOWS, w,
+                    'notify::user-time', () => {
+                        if (w !== this._windows[0])
+                            this._windowsOrderChanged();
+                    }));
+        },
+    }, {readOnly: false});
+
+    shellApp._signalConnections.add(fm1Client, 'windows-changed', () =>
+        shellApp._updateWindows());
+    shellApp._signalConnections.add(shellApp.appInfo, 'notify::icon', () =>
+        shellApp.notify('icon'));
+    shellApp._signalConnections.add(global.workspaceManager,
+        'workspace-switched', () => shellApp._windowsOrderChanged());
+
+    return shellApp;
+}
+
+/**
+ *
+ */
+function getFileManagerApp() {
+    return Shell.AppSystem.get_default().lookup_app(FILE_MANAGER_DESKTOP_APP_ID);
+}
+
+/**
+ *
+ */
+export function wrapFileManagerApp() {
+    const fileManagerApp = getFileManagerApp();
+    if (!fileManagerApp)
+        return null;
+
+    if (fileManagerApp._dtdData)
+        return fileManagerApp;
+
+    const originalGetWindows = fileManagerApp.get_windows;
+    wrapWindowsBackedApp(fileManagerApp);
+
+    const {removables, trash} = Docking.DockManager.getDefault();
+    fileManagerApp._signalConnections.addWithLabel(Labels.WINDOWS_CHANGED,
+        fileManagerApp, 'windows-changed', () => {
+            fileManagerApp.stop_emission_by_name('windows-changed');
+            // Let's wait for the location app to take control before of us
+            const id = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 50, () => {
+                fileManagerApp._sources.delete(id);
+                fileManagerApp._updateWindows();
+                return GLib.SOURCE_REMOVE;
+            });
+            fileManagerApp._sources.add(id);
+        });
+
+    fileManagerApp._signalConnections.add(global.workspaceManager,
+        'workspace-switched', () => {
+            fileManagerApp._signalConnections.blockWithLabel(Labels.WINDOWS_CHANGED);
+            fileManagerApp.emit('windows-changed');
+            fileManagerApp._signalConnections.unblockWithLabel(Labels.WINDOWS_CHANGED);
+        });
+
+    if (removables) {
+        fileManagerApp._signalConnections.add(removables, 'changed', () =>
+            fileManagerApp._updateWindows());
+        fileManagerApp._signalConnections.add(removables, 'windows-changed', () =>
+            fileManagerApp._updateWindows());
+    }
+
+    if (trash?.getApp()) {
+        fileManagerApp._signalConnections.add(trash.getApp(), 'windows-changed', () =>
+            fileManagerApp._updateWindows());
+    }
+
+    fileManagerApp._updateWindows = function () {
+        const locationWindows = [];
+        getRunningApps().forEach(a => locationWindows.push(...a.get_windows()));
+        const windows = originalGetWindows.call(this).filter(w =>
+            !locationWindows.includes(w));
+
+        this._signalConnections.blockWithLabel(Labels.WINDOWS_CHANGED);
+        this._setWindows(windows);
+        this._signalConnections.unblockWithLabel(Labels.WINDOWS_CHANGED);
+    };
+
+    fileManagerApp._mi('toString', defaultToString =>
+        '[FileManagerApp - %s]'.format(defaultToString.call(fileManagerApp)));
+
+    return fileManagerApp;
+}
+
+/**
+ *
+ */
+export function unWrapFileManagerApp() {
+    const fileManagerApp = getFileManagerApp();
+    if (!fileManagerApp || !fileManagerApp._dtdData)
+        return;
+
+    fileManagerApp.destroy();
+}
+
+/**
+ * This class maintains a Shell.App representing the Trash and keeps it
+ * up-to-date as the trash fills and is emptied over time.
+ */
+export class Trash {
+    destroy() {
+        this._trashApp?.destroy();
+    }
+
+    _ensureApp() {
+        if (this._trashApp)
+            return;
+
+        this._trashApp = makeLocationApp({
+            appInfo: new TrashAppInfo(new Gio.Cancellable()),
+            fallbackIconName: FALLBACK_TRASH_ICON,
+        });
+    }
+
+    getApp() {
+        this._ensureApp();
+        return this._trashApp;
+    }
+}
+
+/**
+ * This class maintains Shell.App representations for removable devices
+ * plugged into the system, and keeps the list of Apps up-to-date as
+ * devices come and go and are mounted and unmounted.
+ */
+export class Removables {
+    static initVolumePromises(object) {
+        // TODO: This can be simplified using actual interface type when we
+        // can depend on gjs 1.72
+        if (!(object instanceof Gio.Volume) || object.constructor.prototype._d2dPromisified)
+            return;
+
+        Gio._promisify(object.constructor.prototype, 'mount', 'mount_finish');
+        Gio._promisify(object.constructor.prototype, 'eject_with_operation',
+            'eject_with_operation_finish');
+        object.constructor.prototype._d2dPromisified = true;
+    }
+
+    static initMountPromises(object) {
+        // TODO: This can be simplified using actual interface type when we
+        // can depend on gjs 1.72
+        if (!(object instanceof Gio.Mount) || object.constructor.prototype._d2dPromisified)
+            return;
+
+        Gio._promisify(object.constructor.prototype, 'eject_with_operation',
+            'eject_with_operation_finish');
+        Gio._promisify(object.constructor.prototype, 'unmount_with_operation',
+            'unmount_with_operation_finish');
+        object.constructor.prototype._d2dPromisified = true;
+    }
+
+    constructor() {
+        this._signalsHandler = new Utils.GlobalSignalsHandler();
+
+        this._monitor = Gio.VolumeMonitor.get();
+        this._cancellable = new Gio.Cancellable();
+
+        this._monitor.get_mounts().forEach(m => Removables.initMountPromises(m));
+        this._updateVolumes();
+
+        this._signalsHandler.add([
+            this._monitor,
+            'volume-added',
+            (_, volume) => this._onVolumeAdded(volume),
+        ], [
+            this._monitor,
+            'volume-removed',
+            (_, volume) => this._onVolumeRemoved(volume),
+        ], [
+            this._monitor,
+            'mount-added',
+            (_, mount) => this._onMountAdded(mount),
+        ], [
+            Docking.DockManager.settings,
+            'changed::show-mounts-only-mounted',
+            () => this._updateVolumes(),
+        ], [
+            Docking.DockManager.settings,
+            'changed::show-mounts-network',
+            () => this._updateVolumes(),
+        ]);
+    }
+
+    destroy() {
+        this._volumeApps.forEach(a => a.destroy());
+        this._volumeApps = [];
+        this._cancellable.cancel();
+        this._cancellable = null;
+        this._signalsHandler.destroy();
+        this._monitor = null;
+    }
+
+    _updateVolumes() {
+        this._volumeApps?.forEach(a => a.destroy());
+        this._volumeApps = [];
+        this.emit('changed');
+
+        this._monitor.get_volumes().forEach(v => this._onVolumeAdded(v));
+    }
+
+    _onVolumeAdded(volume) {
+        Removables.initVolumePromises(volume);
+
+        if (!Docking.DockManager.settings.showMountsNetwork &&
+            volume.get_identifier('class') === 'network')
+            return;
+
+
+        const mount = volume.get_mount();
+        if (mount) {
+            if (mount.is_shadowed())
+                return;
+            if (!mount.can_eject() && !mount.can_unmount())
+                return;
+        } else {
+            if (Docking.DockManager.settings.showMountsOnlyMounted)
+                return;
+            if (!volume.can_mount() && !volume.can_eject())
+                return;
+        }
+
+        const appInfo = new MountableVolumeAppInfo(volume,
+            new Utils.CancellableChild(this._cancellable));
+        const volumeApp = makeLocationApp({
+            appInfo,
+            fallbackIconName: FALLBACK_REMOVABLE_MEDIA_ICON,
+        });
+
+        volumeApp._signalConnections.add(volumeApp, 'windows-changed',
+            () => this.emit('windows-changed', volumeApp));
+
+        if (Docking.DockManager.settings.showMountsOnlyMounted) {
+            volumeApp._signalConnections.add(appInfo, 'notify::mount',
+                () => !appInfo.mount && this._onVolumeRemoved(appInfo.volume));
+        }
+
+        this._volumeApps.push(volumeApp);
+        this.emit('changed');
+    }
+
+    _onVolumeRemoved(volume) {
+        const volumeIndex = this._volumeApps.findIndex(({appInfo}) =>
+            appInfo.volume === volume);
+        if (volumeIndex !== -1) {
+            const [volumeApp] = this._volumeApps.splice(volumeIndex, 1);
+            // We don't care about cancelling the ongoing operations from now on.
+            volumeApp.appInfo.cancellable = null;
+            volumeApp.destroy();
+            this.emit('changed');
+        }
+    }
+
+    _onMountAdded(mount) {
+        Removables.initMountPromises(mount);
+
+        if (!Docking.DockManager.settings.showMountsOnlyMounted)
+            return;
+
+        if (!this._volumeApps.find(({appInfo}) => appInfo.mount === mount)) {
+            // In some Gio.Mount implementations the volume may be set after
+            // mount is emitted, so we could just ignore it as we'll get it
+            // later via volume-added
+            const volume = mount.get_volume();
+            if (volume)
+                this._onVolumeAdded(volume);
+        }
+    }
+
+    getApps() {
+        return this._volumeApps;
+    }
+}
+Signals.addSignalMethods(Removables.prototype);
+
+/**
+ *
+ */
+function getApps() {
+    const dockManager = Docking.DockManager.getDefault();
+    const locationApps = [];
+
+    if (dockManager.removables)
+        locationApps.push(...dockManager.removables.getApps());
+
+    if (dockManager.trash)
+        locationApps.push(dockManager.trash.getApp());
+
+    return locationApps;
+}
+
+/**
+ *
+ */
+export function getRunningApps() {
+    return getApps().filter(a => a.state === Shell.AppState.RUNNING);
+}
+
+/**
+ *
+ */
+export function getStartingApps() {
+    return getApps().filter(a => a.state === Shell.AppState.STARTING);
+}