diff options
Diffstat (limited to 'js/ui/shellDBus.js')
| -rw-r--r-- | js/ui/shellDBus.js | 540 |
1 files changed, 540 insertions, 0 deletions
diff --git a/js/ui/shellDBus.js b/js/ui/shellDBus.js new file mode 100644 index 0000000..284d92b --- /dev/null +++ b/js/ui/shellDBus.js @@ -0,0 +1,540 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported GnomeShell, ScreenSaverDBus */ + +const { Gio, GLib, Meta, Shell } = imports.gi; + +const Config = imports.misc.config; +const ExtensionDownloader = imports.ui.extensionDownloader; +const ExtensionUtils = imports.misc.extensionUtils; +const Main = imports.ui.main; +const Screenshot = imports.ui.screenshot; + +const { loadInterfaceXML } = imports.misc.fileUtils; +const { DBusSenderChecker } = imports.misc.util; +const { ControlsState } = imports.ui.overviewControls; + +const GnomeShellIface = loadInterfaceXML('org.gnome.Shell'); +const ScreenSaverIface = loadInterfaceXML('org.gnome.ScreenSaver'); + +var GnomeShell = class { + constructor() { + this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(GnomeShellIface, this); + this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell'); + + this._senderChecker = new DBusSenderChecker([ + 'org.gnome.Settings', + 'org.gnome.SettingsDaemon.MediaKeys', + ]); + + this._extensionsService = new GnomeShellExtensions(); + this._screenshotService = new Screenshot.ScreenshotService(); + + this._grabbedAccelerators = new Map(); + this._grabbers = new Map(); + + global.display.connect('accelerator-activated', + (display, action, device, timestamp) => { + this._emitAcceleratorActivated(action, device, timestamp); + }); + + this._cachedOverviewVisible = false; + Main.overview.connect('showing', + this._checkOverviewVisibleChanged.bind(this)); + Main.overview.connect('hidden', + this._checkOverviewVisibleChanged.bind(this)); + } + + /** + * Eval: + * @param {string} code: A string containing JavaScript code + * @returns {Array} + * + * This function executes arbitrary code in the main + * loop, and returns a boolean success and + * JSON representation of the object as a string. + * + * If evaluation completes without throwing an exception, + * then the return value will be [true, JSON.stringify(result)]. + * If evaluation fails, then the return value will be + * [false, JSON.stringify(exception)]; + * + */ + Eval(code) { + if (!global.context.unsafe_mode) + return [false, '']; + + let returnValue; + let success; + try { + returnValue = JSON.stringify(eval(code)); + // A hack; DBus doesn't have null/undefined + if (returnValue == undefined) + returnValue = ''; + success = true; + } catch (e) { + returnValue = `${e}`; + success = false; + } + return [success, returnValue]; + } + + /** + * Focus the overview's search entry + * + * @async + * @param {...any} params - method parameters + * @param {Gio.DBusMethodInvocation} invocation - the invocation + * @returns {void} + */ + async FocusSearchAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + Main.overview.focusSearch(); + invocation.return_value(null); + } + + /** + * Show OSD with the specified parameters + * + * @async + * @param {...any} params - method parameters + * @param {Gio.DBusMethodInvocation} invocation - the invocation + * @returns {void} + */ + async ShowOSDAsync([params], invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + for (let param in params) + params[param] = params[param].deepUnpack(); + + const { + connector, + label, + level, + max_level: maxLevel, + icon: serializedIcon, + } = params; + + let monitorIndex = -1; + if (connector) { + let monitorManager = Meta.MonitorManager.get(); + monitorIndex = monitorManager.get_monitor_for_connector(connector); + } + + let icon = null; + if (serializedIcon) + icon = Gio.Icon.new_for_string(serializedIcon); + + Main.osdWindowManager.show(monitorIndex, icon, label, level, maxLevel); + invocation.return_value(null); + } + + /** + * Focus specified app in the overview's app grid + * + * @async + * @param {string} id - an application ID + * @param {Gio.DBusMethodInvocation} invocation - the invocation + * @returns {void} + */ + async FocusAppAsync([id], invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + const appSys = Shell.AppSystem.get_default(); + if (appSys.lookup_app(id) === null) { + invocation.return_error_literal( + Gio.DBusError, + Gio.DBusError.FILE_NOT_FOUND, + `No application with ID ${id}`); + return; + } + + Main.overview.selectApp(id); + invocation.return_value(null); + } + + /** + * Show the overview's app grid + * + * @async + * @param {...any} params - method parameters + * @param {Gio.DBusMethodInvocation} invocation - the invocation + * @returns {void} + */ + async ShowApplicationsAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + Main.overview.show(ControlsState.APP_GRID); + invocation.return_value(null); + } + + async GrabAcceleratorAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + let [accel, modeFlags, grabFlags] = params; + let sender = invocation.get_sender(); + let bindingAction = this._grabAcceleratorForSender(accel, modeFlags, grabFlags, sender); + invocation.return_value(GLib.Variant.new('(u)', [bindingAction])); + } + + async GrabAcceleratorsAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + let [accels] = params; + let sender = invocation.get_sender(); + let bindingActions = []; + for (let i = 0; i < accels.length; i++) { + let [accel, modeFlags, grabFlags] = accels[i]; + bindingActions.push(this._grabAcceleratorForSender(accel, modeFlags, grabFlags, sender)); + } + invocation.return_value(GLib.Variant.new('(au)', [bindingActions])); + } + + async UngrabAcceleratorAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + let [action] = params; + let sender = invocation.get_sender(); + let ungrabSucceeded = this._ungrabAcceleratorForSender(action, sender); + + invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded])); + } + + async UngrabAcceleratorsAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + let [actions] = params; + let sender = invocation.get_sender(); + let ungrabSucceeded = true; + + for (let i = 0; i < actions.length; i++) + ungrabSucceeded &= this._ungrabAcceleratorForSender(actions[i], sender); + + invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded])); + } + + async ScreenTransitionAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + Main.layoutManager.screenTransition.run(); + + invocation.return_value(null); + } + + _emitAcceleratorActivated(action, device, timestamp) { + let destination = this._grabbedAccelerators.get(action); + if (!destination) + return; + + let connection = this._dbusImpl.get_connection(); + let info = this._dbusImpl.get_info(); + let params = { + 'timestamp': GLib.Variant.new('u', timestamp), + 'action-mode': GLib.Variant.new('u', Main.actionMode), + }; + + let deviceNode = device.get_device_node(); + if (deviceNode) + params['device-node'] = GLib.Variant.new('s', deviceNode); + + connection.emit_signal( + destination, + this._dbusImpl.get_object_path(), + info?.name ?? null, + 'AcceleratorActivated', + GLib.Variant.new('(ua{sv})', [action, params])); + } + + _grabAcceleratorForSender(accelerator, modeFlags, grabFlags, sender) { + let bindingAction = global.display.grab_accelerator(accelerator, grabFlags); + if (bindingAction == Meta.KeyBindingAction.NONE) + return Meta.KeyBindingAction.NONE; + + let bindingName = Meta.external_binding_name_for_action(bindingAction); + Main.wm.allowKeybinding(bindingName, modeFlags); + + this._grabbedAccelerators.set(bindingAction, sender); + + if (!this._grabbers.has(sender)) { + let id = Gio.bus_watch_name(Gio.BusType.SESSION, sender, 0, null, + this._onGrabberBusNameVanished.bind(this)); + this._grabbers.set(sender, id); + } + + return bindingAction; + } + + _ungrabAccelerator(action) { + let ungrabSucceeded = global.display.ungrab_accelerator(action); + if (ungrabSucceeded) + this._grabbedAccelerators.delete(action); + + return ungrabSucceeded; + } + + _ungrabAcceleratorForSender(action, sender) { + let grabbedBy = this._grabbedAccelerators.get(action); + if (sender != grabbedBy) + return false; + + return this._ungrabAccelerator(action); + } + + _onGrabberBusNameVanished(connection, name) { + let grabs = this._grabbedAccelerators.entries(); + for (let [action, sender] of grabs) { + if (sender == name) + this._ungrabAccelerator(action); + } + Gio.bus_unwatch_name(this._grabbers.get(name)); + this._grabbers.delete(name); + } + + async ShowMonitorLabelsAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + let sender = invocation.get_sender(); + let [dict] = params; + Main.osdMonitorLabeler.show(sender, dict); + invocation.return_value(null); + } + + async HideMonitorLabelsAsync(params, invocation) { + try { + await this._senderChecker.checkInvocation(invocation); + } catch (e) { + invocation.return_gerror(e); + return; + } + + let sender = invocation.get_sender(); + Main.osdMonitorLabeler.hide(sender); + invocation.return_value(null); + } + + _checkOverviewVisibleChanged() { + if (Main.overview.visible !== this._cachedOverviewVisible) { + this._cachedOverviewVisible = Main.overview.visible; + this._dbusImpl.emit_property_changed('OverviewActive', new GLib.Variant('b', this._cachedOverviewVisible)); + } + } + + get Mode() { + return global.session_mode; + } + + get OverviewActive() { + return this._cachedOverviewVisible; + } + + set OverviewActive(visible) { + if (visible) + Main.overview.show(); + else + Main.overview.hide(); + } + + get ShellVersion() { + return Config.PACKAGE_VERSION; + } +}; + +const GnomeShellExtensionsIface = loadInterfaceXML('org.gnome.Shell.Extensions'); + +var GnomeShellExtensions = class { + constructor() { + this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(GnomeShellExtensionsIface, this); + this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell'); + + this._userExtensionsEnabled = this.UserExtensionsEnabled; + global.settings.connect('changed::disable-user-extensions', () => { + if (this._userExtensionsEnabled === this.UserExtensionsEnabled) + return; + + this._userExtensionsEnabled = this.UserExtensionsEnabled; + this._dbusImpl.emit_property_changed('UserExtensionsEnabled', + new GLib.Variant('b', this._userExtensionsEnabled)); + }); + + Main.extensionManager.connect('extension-state-changed', + this._extensionStateChanged.bind(this)); + } + + ListExtensions() { + let out = {}; + Main.extensionManager.getUuids().forEach(uuid => { + let dbusObj = this.GetExtensionInfo(uuid); + out[uuid] = dbusObj; + }); + return out; + } + + GetExtensionInfo(uuid) { + let extension = Main.extensionManager.lookup(uuid) || {}; + return ExtensionUtils.serializeExtension(extension); + } + + GetExtensionErrors(uuid) { + let extension = Main.extensionManager.lookup(uuid); + if (!extension) + return []; + + if (!extension.errors) + return []; + + return extension.errors; + } + + InstallRemoteExtensionAsync([uuid], invocation) { + return ExtensionDownloader.installExtension(uuid, invocation); + } + + UninstallExtension(uuid) { + return ExtensionDownloader.uninstallExtension(uuid); + } + + EnableExtension(uuid) { + return Main.extensionManager.enableExtension(uuid); + } + + DisableExtension(uuid) { + return Main.extensionManager.disableExtension(uuid); + } + + LaunchExtensionPrefs(uuid) { + this.OpenExtensionPrefs(uuid, '', {}); + } + + OpenExtensionPrefs(uuid, parentWindow, options) { + Main.extensionManager.openExtensionPrefs(uuid, parentWindow, options); + } + + ReloadExtensionAsync(params, invocation) { + invocation.return_error_literal( + Gio.DBusError, + Gio.DBusError.NOT_SUPPORTED, + 'ReloadExtension is deprecated and does not work'); + } + + CheckForUpdates() { + ExtensionDownloader.checkForUpdates(); + } + + get ShellVersion() { + return Config.PACKAGE_VERSION; + } + + get UserExtensionsEnabled() { + return !global.settings.get_boolean('disable-user-extensions'); + } + + set UserExtensionsEnabled(enable) { + global.settings.set_boolean('disable-user-extensions', !enable); + } + + _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])); + } +}; + +var ScreenSaverDBus = class { + constructor(screenShield) { + this._screenShield = screenShield; + screenShield.connect('active-changed', shield => { + this._dbusImpl.emit_signal('ActiveChanged', GLib.Variant.new('(b)', [shield.active])); + }); + screenShield.connect('wake-up-screen', () => { + this._dbusImpl.emit_signal('WakeUpScreen', null); + }); + + this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(ScreenSaverIface, this); + this._dbusImpl.export(Gio.DBus.session, '/org/gnome/ScreenSaver'); + + Gio.DBus.session.own_name('org.gnome.Shell.ScreenShield', + Gio.BusNameOwnerFlags.NONE, null, null); + } + + LockAsync(parameters, invocation) { + let tmpId = this._screenShield.connect('lock-screen-shown', () => { + this._screenShield.disconnect(tmpId); + + invocation.return_value(null); + }); + + this._screenShield.lock(true); + } + + SetActive(active) { + if (active) + this._screenShield.activate(true); + else + this._screenShield.deactivate(false); + } + + GetActive() { + return this._screenShield.active; + } + + GetActiveTime() { + let started = this._screenShield.activationTime; + if (started > 0) + return Math.floor((GLib.get_monotonic_time() - started) / 1000000); + else + return 0; + } +}; |