%PDF- %PDF-
Direktori : /usr/share/gnome-shell/extensions/ding@rastersoft.com/app/ |
Current File : //usr/share/gnome-shell/extensions/ding@rastersoft.com/app/dbusUtils.js |
/* DING: Desktop Icons New Generation for GNOME Shell * * Copyright (C) 2019-2022 Sergio Costas (rastersoft@gmail.com) * Based on code original (C) Carlos Soriano * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* exported GtkVfsMetadata, extensionControl, discreteGpuAvailable, RemoteFileOperations, init */ 'use strict'; const {Gio, GLib, Gdk, Gtk} = imports.gi; const Signals = imports.signals; const DBusInterfaces = imports.dbusInterfaces; const DesktopIconsUtil = imports.desktopIconsUtil; const Enums = imports.enums; var NautilusFileOperations2 = null; var FreeDesktopFileManager = null; var GnomeNautilusPreview = null; var SwitcherooControl = null; var GnomeArchiveManager = null; var GtkVfsMetadata = null; var extensionControl = null; var discreteGpuAvailable = false; var dbusManagerObject; var RemoteFileOperations; const Gettext = imports.gettext.domain('ding'); const _ = Gettext.gettext; class ProxyManager { /* * This class manages a DBus object through a DBusProxy. Any access to the proxy when the * object isn't available results in a notification specifying that an specific program * is needed to run that option. * * The proxy itself is accessed through the 'proxy' property (read-only). Any access to * it will check the availability and show the notification if it isn't available. To get * access to it without triggering this, it is possible to use the 'proxyNoCheck' property. * * Whether the object is or not available can be checked with the 'isAvailable' property. * Also, every time the availability changes, the signal 'changed-status' is emitted. */ constructor(dbusManager, serviceName, objectName, interfaceName, inSystemBus, programNeeded) { this._dbusManager = dbusManager; this._serviceName = serviceName; this._objectName = objectName; this._interfaceName = interfaceName; this._inSystemBus = inSystemBus; this._signals = {}; this._signalsIDs = {}; this._connectSignals = {}; this._connectSignalsIDs = {}; this._beingLaunched = false; if (typeof programNeeded == 'string') { // if 'programNeeded' is a string, create a generic message for the notification. this._programNeeded = [ _('"${programName}" is needed for Desktop Icons').replace('${programName}', programNeeded), _('For this functionality to work in Desktop Icons, you must install "${programName}" in your system.').replace('${programName}', programNeeded), programNeeded, ]; } else { // instead, if it's not, it is presumed to be an array with two sentences, one for the notification title and another for the main text. this._programNeeded = programNeeded; } this._timeout = 0; this._available = false; this._proxy = null; if (this._dbusManager.checkIsAvailable(this._serviceName, this._inSystemBus)) { this.makeNewProxy(); } dbusManager.connect(inSystemBus ? 'changed-availability-system' : 'changed-availability-local', () => { const newAvailability = this._dbusManager.checkIsAvailable(this._serviceName, this._inSystemBus); if (newAvailability != this._available) { if (newAvailability) { this.makeNewProxy(); } else { this._available = false; this._proxy = null; this.emit('changed-status', false); } } }); } connectSignalToProxy(signal, cb) { this._connectSignals[signal] = cb; if (this._proxy) { this._connectSignalsIDs[signal] = this._proxy.connectSignal(signal, cb); } } connectToProxy(signal, cb) { this._signals[signal] = cb; if (this._proxy) { this._signalsIDs[signal] = this._proxy.connect(signal, cb); } } disconnectFromProxy(signal) { if (signal in this._signalsIDs) { if (this._proxy) { this._proxy.disconnect(this._signalsIDs[signal]); } delete this._signalsIDs[signal]; } } disconnectSignalFromProxy(signal) { if (signal in this._connectSignalsIDs) { if (this._proxy) { this._proxy.disconnectSignal(this._connectSignalsIDs[signal]); } delete this._connectSignalsIDs[signal]; } } async makeNewProxy(delay = 0) { if (delay !== 0) { await DesktopIconsUtil.waitDelayMs(delay); if (!this._dbusManager.checkIsAvailable(this._serviceName, this._inSystemBus)) { return; } } if (this._beingLaunched) { return; } this._interfaceXML = this._dbusManager.getInterface(this._serviceName, this._objectName, this._interfaceName, this._inSystemBus, false); if (this._interfaceXML) { this._beingLaunched = true; try { new Gio.DBusProxy.makeProxyWrapper(this._interfaceXML)( this._inSystemBus ? Gio.DBus.system : Gio.DBus.session, this._serviceName, this._objectName, (proxy, error) => { this._beingLaunched = false; if (error === null) { for (let signal in this._signals) { this._signalsIDs[signal] = proxy.connect(signal, this._signals[signal]); } for (let signal in this._connectSignals) { this._connectSignalsIDs[signal] = proxy.connectSignal(signal, this._connectSignals[signal]); } this._available = true; this._proxy = proxy; print(`DBus interface for ${this._programNeeded[2]} (${this._interfaceName}) is now available.`); this.emit('changed-status', true); } else { console.error(error, `Error creating proxy, ${this._programNeeded[2]} (${this._interfaceName}); relaunching.\n`); this.makeNewProxy(1000); } } ); } catch (e) { console.error(e, `Error creating proxy, ${this._programNeeded[0]}`); this._beingLaunched = false; this.makeNewProxy(1000); } } } get isAvailable() { return this._available; } get proxyNoCheck() { return this._proxy; } get proxy() { if (!this._available) { if (this._programNeeded && (this._timeout == 0)) { print(this._programNeeded[0]); print(this._programNeeded[1]); this._dbusManager.doNotify(this._programNeeded[0], this._programNeeded[1]); this._timeout = GLib.timeout_add( GLib.PRIORITY_DEFAULT, 1000, () => { this._timeout = 0; return false; } ); } } return this._proxy; } } Signals.addSignalMethods(ProxyManager.prototype); class DBusManager { /* * This class manages all the DBus operations. A ProxyManager() class can subscribe to this to be notified * whenever a change in the bus has occurred (like a server has been added or removed). It also can ask * for a DBus interface, either getting it from the dbusInterfaces.js file or using DBus Introspection (which * allows to get the currently available interface and, that way, know if an object implements an specific * method, property or signal). * * ProxyManager() classes subscribe to the 'changed-availability-system' or 'changed-availability-local' signals, * which are emitted every time a change in the bus or in the configuration files happen. Then, it can use * checkIsAvailable() to determine if the desired service is available in the system or not. */ constructor() { this._availableInSystemBus = []; this._availableInLocalBus = []; this._pendingLocalSignal = false; this._pendingSystemSignal = false; this._signalTimerID = 0; let interfaceXML = this.getInterface( 'org.freedesktop.DBus', '/org/freedesktop/DBus', 'org.freedesktop.DBus', Enums.DBusBus.SYSTEM, // system bus true); // use DBus Introspection this._dbusSystemProxy = new Gio.DBusProxy.makeProxyWrapper(interfaceXML)( Gio.DBus.system, 'org.freedesktop.DBus', '/org/freedesktop/DBus', null ); let ASCinSystemBus = interfaceXML.includes('ActivatableServicesChanged'); // Don't presume that both system and local have the same interface (just in case) interfaceXML = this.getInterface( 'org.freedesktop.DBus', '/org/freedesktop/DBus', 'org.freedesktop.DBus', Enums.DBusBus.SESSION, true); // use DBus Introspection this._dbusLocalProxy = new Gio.DBusProxy.makeProxyWrapper(interfaceXML)( Gio.DBus.session, 'org.freedesktop.DBus', '/org/freedesktop/DBus', null ); let ASCinLocalBus = interfaceXML.includes('ActivatableServicesChanged'); this._updateAllAvailabilities(); this._dbusLocalProxy.connectSignal('NameOwnerChanged', () => { this._emitChangedSignal(true); }); if (ASCinLocalBus) { this._dbusLocalProxy.connectSignal('ActivatableServicesChanged', () => { this._emitChangedSignal(true); }); } this._dbusSystemProxy.connectSignal('NameOwnerChanged', () => { this._emitChangedSignal(false); }); if (ASCinSystemBus) { this._dbusSystemProxy.connectSignal('ActivatableServicesChanged', () => { this._emitChangedSignal(false); }); } interfaceXML = this.getInterface( 'org.freedesktop.Notifications', '/org/freedesktop/Notifications', 'org.freedesktop.Notifications', Enums.DBusBus.SESSION, false); // get interface from local code this._notifyProxy = new Gio.DBusProxy.makeProxyWrapper(interfaceXML)( Gio.DBus.session, 'org.freedesktop.Notifications', '/org/freedesktop/Notifications', null ); } _emitChangedSignal(localDBus) { if (localDBus) { this._pendingLocalSignal = true; } else { this._pendingSystemSignal = true; } if (this._signalTimerID) { GLib.source_remove(this._signalTimerID); } this._signalTimerID = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 1000, () => { this._signalTimerID = 0; this._updateAllAvailabilities(); if (this._pendingLocalSignal) { this.emit('changed-availability-local'); } if (this._pendingSystemSignal) { this.emit('changed-availability-system'); } this._pendingLocalSignal = false; this._pendingSystemSignal = false; return false; }); } checkIsAvailable(serviceName, inSystemBus) { if (inSystemBus) { return this._availableInSystemBus.includes(serviceName); } else { return this._availableInLocalBus.includes(serviceName); } } _updateAllAvailabilities() { this._availableInLocalBus = this._updateAvailability(this._dbusLocalProxy); this._availableInSystemBus = this._updateAvailability(this._dbusSystemProxy); } _updateAvailability(proxy) { // We read both the well-known names actually running and those available as activatables, // and generate a single list with both. Thus a service will be "enabled" if it is running // or if it is activatable. let availableNames = []; let names = proxy.ListNamesSync(); for (let n of names[0]) { if (n.startsWith(':')) { continue; } if (!(n in availableNames)) { availableNames.push(n); } } let names2 = proxy.ListActivatableNamesSync(); for (let n of names2[0]) { if (n.startsWith(':')) { continue; } if (!(n in availableNames)) { availableNames.push(n); } } return availableNames; } _getNextTag() { this._xmlIndex++; let pos = this._xmlData.indexOf('<', this._xmlIndex); if (pos == -1) { return null; } let pos2 = this._xmlData.indexOf('>', pos); if (pos2 == -1) { return null; } this._xmlIndex = pos; return this._xmlData.substring(pos + 1, pos2).trim(); } /* * Extracts the XML definition for an interface from the raw data returned by DBus Introspection. * This is needed because DBus Introspection returns a single XML file with all the interfaces * supported by an object, while DBusProxyWrapper requires an XML with only the desired interface. */ _parseXML(data, interfaceName) { this._xmlIndex = -1; this._xmlData = data; let tag; while (true) { tag = this._getNextTag(); if (tag === null) { return null; } if (!tag.startsWith('interface ')) { continue; } if (tag.includes(interfaceName)) { break; } } let start = this._xmlIndex; while (true) { tag = this._getNextTag(); if (tag === null) { return null; } if (!tag.startsWith('/interface')) { continue; } break; } return `<node>\n ${data.substring(start, 1 + data.indexOf('>', this._xmlIndex))}\n</node>`; } getInterface(serviceName, objectName, interfaceName, inSystemBus, forceIntrospection) { if ((interfaceName in DBusInterfaces.DBusInterfaces) && !forceIntrospection) { return DBusInterfaces.DBusInterfaces[interfaceName]; } else { let data = this.getIntrospectionData(serviceName, objectName, inSystemBus); if (data == null) { return null; } else { return this._parseXML(data, interfaceName); } } } getIntrospectionData(serviceName, objectName, inSystemBus) { let wraper = new Gio.DBusProxy.makeProxyWrapper(DBusInterfaces.DBusInterfaces['org.freedesktop.DBus.Introspectable'])( inSystemBus ? Gio.DBus.system : Gio.DBus.session, serviceName, objectName, null ); let data = null; try { data = wraper.IntrospectSync()[0]; } catch (e) { console.error(e, 'Error getting introspection data over Dbus.'); } if (data == null) { return null; } if (!data.includes('interface')) { return null; // if it doesn't exist, return null } return data; } doNotify(header, text) { /* * The notification interface in GLib.Application requires a .desktop file, which * we can't have, so we must use directly the Notification DBus interface */ this._notifyProxy.NotifyRemote('', 0, '', header, text, [], {}, -1, () => {}); } } Signals.addSignalMethods(DBusManager.prototype); class DbusOperationsManager { constructor(freeDesktopFileManager, gnomeNautilusPreview, gnomeArchiveManager) { this.freeDesktopFileManager = freeDesktopFileManager; this.gnomeNautilusPreviewManager = gnomeNautilusPreview; this.gnomeArchiveManager = gnomeArchiveManager; } _sendNoProxyError(callback) { if (callback) { GLib.idle_add(GLib.PRIORITY_LOW, () => { callback(null, 'noProxy'); return false; }); } } ShowItemPropertiesRemote(selection, timestamp, callback = null) { if (!this.freeDesktopFileManager.proxy) { this._sendNoProxyError(callback); return; } this.freeDesktopFileManager.proxy.ShowItemPropertiesRemote(selection, this._getStartupId(selection, timestamp), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error showing properties: ${error.message}`); } } ); } ShowItemsRemote(showInFilesList, timestamp, callback = null) { if (!this.freeDesktopFileManager.proxy) { this._sendNoProxyError(callback); return; } this.freeDesktopFileManager.proxy.ShowItemsRemote(showInFilesList, this._getStartupId(showInFilesList, timestamp), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error showing file on desktop: ${error.message}`); } } ); } ShowFileRemote(uri, integer, boolean, callback = null) { if (!this.gnomeNautilusPreviewManager.proxy) { this._sendNoProxyError(callback); return; } this.gnomeNautilusPreviewManager.proxy.ShowFileRemote(uri, integer, boolean, (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error previewing file: ${error.message}`); } }); } ExtractRemote(extractFileItem, folder, boolean, callback = null) { if (!this.gnomeArchiveManager.proxy) { this._sendNoProxyError(callback); return; } this.gnomeArchiveManager.proxy.ExtractRemote(extractFileItem, folder, true, (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error extracting files: ${error.message}`); } }); } CompressRemote(compressFileItems, folder, boolean, callback = null) { if (!this.gnomeArchiveManager.proxy) { this._sendNoProxyError(callback); return; } this.gnomeArchiveManager.proxy.CompressRemote(compressFileItems, folder, boolean, (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error compressing files: ${error.message}`); } } ); } _getStartupId(fileUris, timestamp) { if (!timestamp) { return ''; } const context = Gdk.Display.get_default().get_app_launch_context(); context.set_timestamp(timestamp); if (!this._fileManager) { this._fileManager = Gio.File.new_for_path('/').query_default_handler(null); } return context.get_startup_notify_id(this._fileManager, fileUris.map(uri => Gio.File.new_for_uri(uri))); } } class RemoteFileOperationsManager extends DbusOperationsManager { constructor(fileOperationsManager, freeDesktopFileManager, gnomeNautilusPreview, gnomeArchiveManager) { super(freeDesktopFileManager, gnomeNautilusPreview, gnomeArchiveManager); this.fileOperationsManager = fileOperationsManager; this._createPlatformData(); } _createPlatformData() { this.platformData = this.fileOperationsManager.platformData = () => { let parentWindow = Gtk.get_current_event()?.get_window(); let parentHandle = ''; if (parentWindow) { try { imports.gi.versions.GdkX11 = '3.0'; const {GdkX11} = imports.gi; const topLevel = parentWindow.get_effective_toplevel(); if (topLevel.constructor.$gtype === GdkX11.X11Window.$gtype) { const xid = GdkX11.X11Window.prototype.get_xid.call(topLevel); parentHandle = `x11:${xid}`; } /* else if (topLevel instanceof GdkWayland.Toplevel) { FIXME: Need Gtk4 to use GdkWayland const handle = GdkWayland.Toplevel.prototype.export_handle.call(topLevel); parentHandle = `wayland:${handle}`; } */ } catch (e) { console.error(e, 'Impossible to determine the parent window'); } } return { 'parent-handle': new GLib.Variant('s', parentHandle), 'timestamp': new GLib.Variant('u', Gtk.get_current_event_time()), 'window-position': new GLib.Variant('s', 'center'), }; }; } MoveURIsRemote(fileList, uri, callback) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.MoveURIsRemote( fileList, uri, this.platformData(), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error moving files: ${error.message}`); } } ); } CopyURIsRemote(fileList, uri, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.CopyURIsRemote( fileList, uri, this.platformData(), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error copying files: ${error.message}`); } } ); } RenameURIRemote(fileList, uri, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.RenameURIRemote( fileList, uri, this.platformData(), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error copying files: ${error.message}`); } } ); } TrashURIsRemote(fileList, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.TrashURIsRemote( fileList, this.platformData(), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error moving files: ${error.message}`); } } ); } DeleteURIsRemote(fileList, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.DeleteURIsRemote( fileList, this.platformData(), (source, error) => { if (callback) { callback(source, error); } if (error) { console.log(`Error deleting files on the desktop: ${error.message}`); } } ); } EmptyTrashRemote(askConfirmation, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.EmptyTrashRemote( askConfirmation, this.platformData(), (source, error) => { if (callback) { callback(source, error); } if (error) { console.log(`Error trashing files on the desktop: ${error.message}`); } } ); } UndoRemote(callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.UndoRemote( this.platformData(), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error performing undo: ${error.message}`); } } ); } RedoRemote(callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.RedoRemote( this.platformData(), (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error performing redo: ${error.message}`); } } ); } UndoStatus() { return this.fileOperationsManager.proxy.UndoStatus; } } class LegacyRemoteFileOperationsManager extends DbusOperationsManager { constructor(fileOperationsManager, freeDesktopFileManager, gnomeNautilusPreview, gnomeArchiveManager) { super(freeDesktopFileManager, gnomeNautilusPreview, gnomeArchiveManager); this.fileOperationsManager = fileOperationsManager; } MoveURIsRemote(fileList, uri, callback) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.MoveURIsRemote( fileList, uri, (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error moving files: ${error.message}`); } } ); } CopyURIsRemote(fileList, uri, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.CopyURIsRemote( fileList, uri, (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error copying files: ${error.message}`); } } ); } RenameURIRemote(fileList, uri, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.RenameFileRemote( fileList, uri, (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error renaming files: ${error.message}`); } } ); } TrashURIsRemote(fileList, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.TrashFilesRemote( fileList, (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error moving files: ${error.message}`); } } ); } DeleteURIsRemote(fileList, callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.TrashFilesRemote( fileList, (source, error) => { this.EmptyTrashRemote(); if (callback) { callback(source, error); } if (error) { console.log(`Error deleting files on the desktop: ${error.message}`); } } ); } EmptyTrashRemote(callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.EmptyTrashRemote( (source, error) => { if (callback) { callback(source, error); } if (error) { console.log(`Error trashing files on the desktop: ${error.message}`); } } ); } UndoRemote(callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.UndoRemote( (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error performing undo: ${error.message}`); } } ); } RedoRemote(callback = null) { if (!this.fileOperationsManager.proxy) { this._sendNoProxyError(callback); return; } this.fileOperationsManager.proxy.RedoRemote( (result, error) => { if (callback) { callback(result, error); } if (error) { console.log(`Error performing redo: ${error.message}`); } } ); } UndoStatus() { return this.fileOperationsManager.proxy.UndoStatus; } } /** * */ function init() { dbusManagerObject = new DBusManager(); let data = dbusManagerObject.getIntrospectionData( 'org.gnome.Nautilus', '/org/gnome/Nautilus/FileOperations2', Enums.DBusBus.SESSION); if (data) { // NautilusFileOperations2 NautilusFileOperations2 = new ProxyManager( dbusManagerObject, 'org.gnome.Nautilus', '/org/gnome/Nautilus/FileOperations2', 'org.gnome.Nautilus.FileOperations2', Enums.DBusBus.SESSION, 'Nautilus' ); } else { print('Emulating NautilusFileOperations2 with the old NautilusFileOperations interface'); // Emulate NautilusFileOperations2 with the old interface NautilusFileOperations2 = new ProxyManager( dbusManagerObject, 'org.gnome.Nautilus', '/org/gnome/Nautilus', 'org.gnome.Nautilus.FileOperations', Enums.DBusBus.SESSION, 'Nautilus' ); } FreeDesktopFileManager = new ProxyManager( dbusManagerObject, 'org.freedesktop.FileManager1', '/org/freedesktop/FileManager1', 'org.freedesktop.FileManager1', Enums.DBusBus.SESSION, 'Nautilus' ); GnomeNautilusPreview = new ProxyManager( dbusManagerObject, 'org.gnome.NautilusPreviewer', '/org/gnome/NautilusPreviewer', 'org.gnome.NautilusPreviewer', Enums.DBusBus.SESSION, 'Nautilus-Sushi' ); GnomeArchiveManager = new ProxyManager( dbusManagerObject, 'org.gnome.ArchiveManager1', '/org/gnome/ArchiveManager1', 'org.gnome.ArchiveManager1', Enums.DBusBus.SESSION, 'File-roller' ); GtkVfsMetadata = new ProxyManager( dbusManagerObject, 'org.gtk.vfs.Metadata', '/org/gtk/vfs/metadata', 'org.gtk.vfs.Metadata', Enums.DBusBus.SESSION, 'Gvfs daemon' ); SwitcherooControl = new ProxyManager( dbusManagerObject, 'net.hadess.SwitcherooControl', '/net/hadess/SwitcherooControl', 'net.hadess.SwitcherooControl', Enums.DBusBus.SYSTEM, 'Switcheroo control' ); discreteGpuAvailable = SwitcherooControl.isAvailable; SwitcherooControl.connect('changed-status', (obj, newStatus) => { discreteGpuAvailable = newStatus; }); if (data) { RemoteFileOperations = new RemoteFileOperationsManager(NautilusFileOperations2, FreeDesktopFileManager, GnomeNautilusPreview, GnomeArchiveManager); } else { RemoteFileOperations = new LegacyRemoteFileOperationsManager(NautilusFileOperations2, FreeDesktopFileManager, GnomeNautilusPreview, GnomeArchiveManager); } extensionControl = Gio.DBusActionGroup.get( Gio.DBus.session, 'com.rastersoft.dingextension', '/com/rastersoft/dingextension/control' ); return dbusManagerObject; }