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| -rw-r--r-- | js/ui/main.js | 958 |
1 files changed, 958 insertions, 0 deletions
diff --git a/js/ui/main.js b/js/ui/main.js new file mode 100644 index 0000000..2d8804a --- /dev/null +++ b/js/ui/main.js @@ -0,0 +1,958 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported componentManager, notificationDaemon, windowAttentionHandler, + ctrlAltTabManager, padOsdService, osdWindowManager, + osdMonitorLabeler, shellMountOpDBusService, shellDBusService, + shellAccessDialogDBusService, shellAudioSelectionDBusService, + screenSaverDBus, uiGroup, magnifier, xdndHandler, keyboard, + kbdA11yDialog, introspectService, start, pushModal, popModal, + activateWindow, moveWindowToMonitorAndWorkspace, + createLookingGlass, initializeDeferredWork, + getThemeStylesheet, setThemeStylesheet, screenshotUI */ + +const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi; + +const AccessDialog = imports.ui.accessDialog; +const AudioDeviceSelection = imports.ui.audioDeviceSelection; +const Components = imports.ui.components; +const CtrlAltTab = imports.ui.ctrlAltTab; +const EndSessionDialog = imports.ui.endSessionDialog; +const ExtensionSystem = imports.ui.extensionSystem; +const ExtensionDownloader = imports.ui.extensionDownloader; +const InputMethod = imports.misc.inputMethod; +const Introspect = imports.misc.introspect; +const Keyboard = imports.ui.keyboard; +const MessageTray = imports.ui.messageTray; +const ModalDialog = imports.ui.modalDialog; +const OsdWindow = imports.ui.osdWindow; +const OsdMonitorLabeler = imports.ui.osdMonitorLabeler; +const Overview = imports.ui.overview; +const PadOsd = imports.ui.padOsd; +const Panel = imports.ui.panel; +const Params = imports.misc.params; +const RunDialog = imports.ui.runDialog; +const WelcomeDialog = imports.ui.welcomeDialog; +const Layout = imports.ui.layout; +const LoginManager = imports.misc.loginManager; +const LookingGlass = imports.ui.lookingGlass; +const NotificationDaemon = imports.ui.notificationDaemon; +const WindowAttentionHandler = imports.ui.windowAttentionHandler; +const Screenshot = imports.ui.screenshot; +const ScreenShield = imports.ui.screenShield; +const Scripting = imports.ui.scripting; +const SessionMode = imports.ui.sessionMode; +const ShellDBus = imports.ui.shellDBus; +const ShellMountOperation = imports.ui.shellMountOperation; +const WindowManager = imports.ui.windowManager; +const Magnifier = imports.ui.magnifier; +const XdndHandler = imports.ui.xdndHandler; +const KbdA11yDialog = imports.ui.kbdA11yDialog; +const LocatePointer = imports.ui.locatePointer; +const PointerA11yTimeout = imports.ui.pointerA11yTimeout; +const ParentalControlsManager = imports.misc.parentalControlsManager; +const Config = imports.misc.config; +const Util = imports.misc.util; + +const WELCOME_DIALOG_LAST_SHOWN_VERSION = 'welcome-dialog-last-shown-version'; +// Make sure to mention the point release, otherwise it will show every time +// until this version is current +const WELCOME_DIALOG_LAST_TOUR_CHANGE = '40.beta'; +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; +var lookingGlass = null; +var welcomeDialog = null; +var wm = null; +var messageTray = null; +var screenShield = null; +var notificationDaemon = null; +var windowAttentionHandler = null; +var ctrlAltTabManager = null; +var padOsdService = null; +var osdWindowManager = null; +var osdMonitorLabeler = null; +var sessionMode = null; +var screenshotUI = null; +var shellAccessDialogDBusService = null; +var shellAudioSelectionDBusService = null; +var shellDBusService = null; +var shellMountOpDBusService = null; +var screenSaverDBus = null; +var modalCount = 0; +var actionMode = Shell.ActionMode.NONE; +var modalActorFocusStack = []; +var uiGroup = null; +var magnifier = null; +var xdndHandler = null; +var keyboard = null; +var layoutManager = null; +var kbdA11yDialog = null; +var inputMethod = null; +var introspectService = null; +var locatePointer = null; +let _startDate; +let _defaultCssStylesheet = null; +let _cssStylesheet = null; +let _themeResource = null; +let _oskResource = null; +let _iconResource = null; + +Gio._promisify(Gio.File.prototype, 'delete_async'); +Gio._promisify(Gio.File.prototype, 'touch_async'); + +let _remoteAccessInhibited = false; + +function _sessionUpdated() { + if (sessionMode.isPrimary) + _loadDefaultStylesheet(); + + wm.allowKeybinding('overlay-key', Shell.ActionMode.NORMAL | + Shell.ActionMode.OVERVIEW); + + wm.allowKeybinding('locate-pointer-key', Shell.ActionMode.ALL); + + wm.setCustomKeybindingHandler('panel-run-dialog', + Shell.ActionMode.NORMAL | + Shell.ActionMode.OVERVIEW, + sessionMode.hasRunDialog ? openRunDialog : null); + + if (!sessionMode.hasRunDialog) { + if (runDialog) + runDialog.close(); + if (lookingGlass) + lookingGlass.close(); + if (welcomeDialog) + welcomeDialog.close(); + } + + let remoteAccessController = global.backend.get_remote_access_controller(); + if (remoteAccessController && !global.backend.is_headless()) { + if (sessionMode.allowScreencast && _remoteAccessInhibited) { + remoteAccessController.uninhibit_remote_access(); + _remoteAccessInhibited = false; + } else if (!sessionMode.allowScreencast && !_remoteAccessInhibited) { + remoteAccessController.inhibit_remote_access(); + _remoteAccessInhibited = true; + } + } +} + +/** + * @param {any...} args a list of values to log + */ +function _loggingFunc(...args) { + let fields = { 'MESSAGE': args.join(', ') }; + let domain = 'GNOME Shell'; + + // If the caller is an extension, add it as metadata + let extension = imports.misc.extensionUtils.getCurrentExtension(); + if (extension != null) { + domain = extension.metadata.name; + fields['GNOME_SHELL_EXTENSION_UUID'] = extension.uuid; + fields['GNOME_SHELL_EXTENSION_NAME'] = extension.metadata.name; + } + + GLib.log_structured(domain, GLib.LogLevelFlags.LEVEL_MESSAGE, fields); +} + +function start() { + globalThis.log = _loggingFunc; + + // These are here so we don't break compatibility. + global.logError = globalThis.log; + global.log = globalThis.log; + + // Chain up async errors reported from C + global.connect('notify-error', (global, msg, detail) => { + notifyError(msg, detail); + }); + + let currentDesktop = GLib.getenv('XDG_CURRENT_DESKTOP'); + if (!currentDesktop || !currentDesktop.split(':').includes('GNOME')) + Gio.DesktopAppInfo.set_desktop_env('GNOME'); + + sessionMode = new SessionMode.SessionMode(); + sessionMode.connect('updated', _sessionUpdated); + + St.Settings.get().connect('notify::high-contrast', _loadDefaultStylesheet); + + // Initialize ParentalControlsManager before the UI + ParentalControlsManager.getDefault(); + + _initializeUI(); + + shellAccessDialogDBusService = new AccessDialog.AccessDialogDBus(); + shellAudioSelectionDBusService = new AudioDeviceSelection.AudioDeviceSelectionDBus(); + shellDBusService = new ShellDBus.GnomeShell(); + shellMountOpDBusService = new ShellMountOperation.GnomeShellMountOpHandler(); + + const watchId = Gio.DBus.session.watch_name('org.gnome.Shell.Notifications', + Gio.BusNameWatcherFlags.AUTO_START, + bus => bus.unwatch_name(watchId), + bus => bus.unwatch_name(watchId)); + + _sessionUpdated(); +} + +function _initializeUI() { + // Ensure ShellWindowTracker and ShellAppUsage are initialized; this will + // also initialize ShellAppSystem first. ShellAppSystem + // needs to load all the .desktop files, and ShellWindowTracker + // will use those to associate with windows. Right now + // the Monitor doesn't listen for installed app changes + // and recalculate application associations, so to avoid + // races for now we initialize it here. It's better to + // be predictable anyways. + Shell.WindowTracker.get_default(); + Shell.AppUsage.get_default(); + + reloadThemeResource(); + _loadIcons(); + _loadOskLayouts(); + _loadDefaultStylesheet(); + + new AnimationsSettings(); + + // Setup the stage hierarchy early + layoutManager = new Layout.LayoutManager(); + + // Various parts of the codebase still refer to Main.uiGroup + // instead of using the layoutManager. This keeps that code + // working until it's updated. + uiGroup = layoutManager.uiGroup; + + padOsdService = new PadOsd.PadOsdService(); + xdndHandler = new XdndHandler.XdndHandler(); + ctrlAltTabManager = new CtrlAltTab.CtrlAltTabManager(); + osdWindowManager = new OsdWindow.OsdWindowManager(); + osdMonitorLabeler = new OsdMonitorLabeler.OsdMonitorLabeler(); + overview = new Overview.Overview(); + kbdA11yDialog = new KbdA11yDialog.KbdA11yDialog(); + wm = new WindowManager.WindowManager(); + magnifier = new Magnifier.Magnifier(); + locatePointer = new LocatePointer.LocatePointer(); + + if (LoginManager.canLock()) + screenShield = new ScreenShield.ScreenShield(); + + inputMethod = new InputMethod.InputMethod(); + Clutter.get_default_backend().set_input_method(inputMethod); + + screenshotUI = new Screenshot.ScreenshotUI(); + + messageTray = new MessageTray.MessageTray(); + panel = new Panel.Panel(); + keyboard = new Keyboard.KeyboardManager(); + notificationDaemon = new NotificationDaemon.NotificationDaemon(); + windowAttentionHandler = new WindowAttentionHandler.WindowAttentionHandler(); + componentManager = new Components.ComponentManager(); + + introspectService = new Introspect.IntrospectService(); + + layoutManager.init(); + overview.init(); + + new PointerA11yTimeout.PointerA11yTimeout(); + + global.connect('locate-pointer', () => { + locatePointer.show(); + }); + + global.display.connect('show-restart-message', (display, message) => { + showRestartMessage(message); + return true; + }); + + global.display.connect('restart', () => { + global.reexec_self(); + return true; + }); + + global.display.connect('gl-video-memory-purged', loadTheme); + + global.context.connect('notify::unsafe-mode', () => { + if (!global.context.unsafe_mode) + return; // we're safe + if (lookingGlass?.isOpen) + return; // assume user action + + const source = new MessageTray.SystemNotificationSource(); + messageTray.add(source); + const notification = new MessageTray.Notification(source, + _('System was put in unsafe mode'), + _('Applications now have unrestricted access')); + notification.addAction(_('Undo'), + () => (global.context.unsafe_mode = false)); + notification.setTransient(true); + source.showNotification(notification); + }); + + // Provide the bus object for gnome-session to + // initiate logouts. + EndSessionDialog.init(); + + // We're ready for the session manager to move to the next phase + GLib.idle_add(GLib.PRIORITY_DEFAULT, () => { + Shell.util_sd_notify(); + global.context.notify_ready(); + return GLib.SOURCE_REMOVE; + }); + + _startDate = new Date(); + + ExtensionDownloader.init(); + extensionManager = new ExtensionSystem.ExtensionManager(); + extensionManager.init(); + + if (sessionMode.isGreeter && screenShield) { + layoutManager.connect('startup-prepared', () => { + screenShield.showDialog(); + }); + } + + layoutManager.connect('startup-complete', () => { + if (actionMode == Shell.ActionMode.NONE) + actionMode = Shell.ActionMode.NORMAL; + + if (screenShield) + screenShield.lockIfWasLocked(); + + if (sessionMode.currentMode != 'gdm' && + sessionMode.currentMode != 'initial-setup') { + GLib.log_structured(LOG_DOMAIN, GLib.LogLevelFlags.LEVEL_MESSAGE, { + 'MESSAGE': `GNOME Shell started at ${_startDate}`, + 'MESSAGE_ID': GNOMESHELL_STARTED_MESSAGE_ID, + }); + } + + let credentials = new Gio.Credentials(); + if (credentials.get_unix_user() === 0) { + notify(_('Logged in as a privileged user'), + _('Running a session as a privileged user should be avoided for security reasons. If possible, you should log in as a normal user.')); + } else if (sessionMode.showWelcomeDialog) { + _handleShowWelcomeScreen(); + } + + if (sessionMode.currentMode !== 'gdm' && + sessionMode.currentMode !== 'initial-setup') + _handleLockScreenWarning(); + + LoginManager.registerSessionWithGDM(); + + let perfModuleName = GLib.getenv("SHELL_PERF_MODULE"); + if (perfModuleName) { + let perfOutput = GLib.getenv("SHELL_PERF_OUTPUT"); + let module = eval(`imports.perf.${perfModuleName};`); + Scripting.runPerfScript(module, perfOutput); + } + }); +} + +function _handleShowWelcomeScreen() { + const lastShownVersion = global.settings.get_string(WELCOME_DIALOG_LAST_SHOWN_VERSION); + if (Util.GNOMEversionCompare(WELCOME_DIALOG_LAST_TOUR_CHANGE, lastShownVersion) > 0) { + openWelcomeDialog(); + global.settings.set_string(WELCOME_DIALOG_LAST_SHOWN_VERSION, Config.PACKAGE_VERSION); + } +} + +async function _handleLockScreenWarning() { + const path = `${global.userdatadir}/lock-warning-shown`; + const file = Gio.File.new_for_path(path); + + const hasLockScreen = screenShield !== null; + if (hasLockScreen) { + try { + await file.delete_async(0, null); + } catch (e) { + if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND)) + logError(e); + } + } else { + try { + if (!await file.touch_async()) + return; + } catch (e) { + logError(e); + } + + notify( + _('Screen Lock disabled'), + _('Screen Locking requires the GNOME display manager.')); + } +} + +function _getStylesheet(name) { + let stylesheet; + + stylesheet = Gio.File.new_for_uri(`resource:///org/gnome/shell/theme/${name}`); + if (stylesheet.query_exists(null)) + return stylesheet; + + let dataDirs = GLib.get_system_data_dirs(); + for (let i = 0; i < dataDirs.length; i++) { + let path = GLib.build_filenamev([dataDirs[i], 'gnome-shell', 'theme', name]); + stylesheet = Gio.file_new_for_path(path); + if (stylesheet.query_exists(null)) + return stylesheet; + } + + stylesheet = Gio.File.new_for_path(`${global.datadir}/theme/${name}`); + if (stylesheet.query_exists(null)) + return stylesheet; + + return null; +} + +function _getDefaultStylesheet() { + let stylesheet = null; + let name = sessionMode.stylesheetName; + + // Look for a high-contrast variant first + if (St.Settings.get().high_contrast) + stylesheet = _getStylesheet(name.replace('.css', '-high-contrast.css')); + + if (stylesheet == null) + stylesheet = _getStylesheet(sessionMode.stylesheetName); + + return stylesheet; +} + +function _loadDefaultStylesheet() { + let stylesheet = _getDefaultStylesheet(); + if (_defaultCssStylesheet && _defaultCssStylesheet.equal(stylesheet)) + return; + + _defaultCssStylesheet = stylesheet; + loadTheme(); +} + +/** + * getThemeStylesheet: + * + * Get the theme CSS file that the shell will load + * + * @returns {?Gio.File}: A #GFile that contains the theme CSS, + * null if using the default + */ +function getThemeStylesheet() { + return _cssStylesheet; +} + +/** + * setThemeStylesheet: + * @param {string=} cssStylesheet: A file path that contains the theme CSS, + * set it to null to use the default + * + * Set the theme CSS file that the shell will load + */ +function setThemeStylesheet(cssStylesheet) { + _cssStylesheet = cssStylesheet ? Gio.File.new_for_path(cssStylesheet) : null; +} + +function reloadThemeResource() { + if (_themeResource) + _themeResource._unregister(); + + _themeResource = Gio.Resource.load( + `${global.datadir}/${sessionMode.themeResourceName}`); + _themeResource._register(); +} + +/** @private */ +function _loadIcons() { + _iconResource = Gio.Resource.load(`${global.datadir}/gnome-shell-icons.gresource`); + _iconResource._register(); +} + +function _loadOskLayouts() { + _oskResource = Gio.Resource.load(`${global.datadir}/gnome-shell-osk-layouts.gresource`); + _oskResource._register(); +} + +/** + * loadTheme: + * + * Reloads the theme CSS file + */ +function loadTheme() { + let themeContext = St.ThemeContext.get_for_stage(global.stage); + let previousTheme = themeContext.get_theme(); + + let theme = new St.Theme({ + application_stylesheet: _cssStylesheet, + default_stylesheet: _defaultCssStylesheet, + }); + + if (theme.default_stylesheet == null) + throw new Error(`No valid stylesheet found for '${sessionMode.stylesheetName}'`); + + if (previousTheme) { + let customStylesheets = previousTheme.get_custom_stylesheets(); + + for (let i = 0; i < customStylesheets.length; i++) + theme.load_stylesheet(customStylesheets[i]); + } + + themeContext.set_theme(theme); +} + +/** + * notify: + * @param {string} msg: A message + * @param {string} details: Additional information + */ +function notify(msg, details) { + let source = new MessageTray.SystemNotificationSource(); + messageTray.add(source); + let notification = new MessageTray.Notification(source, msg, details); + notification.setTransient(true); + source.showNotification(notification); +} + +/** + * notifyError: + * @param {string} msg: An error message + * @param {string} details: Additional information + * + * See shell_global_notify_problem(). + */ +function notifyError(msg, details) { + // Also print to stderr so it's logged somewhere + if (details) + console.warn(`error: ${msg}: ${details}`); + else + console.warn(`error: ${msg}`); + + notify(msg, details); +} + +/** + * _findModal: + * + * @param {Clutter.Grab} grab - grab + * + * Private function. + * + */ +function _findModal(grab) { + for (let i = 0; i < modalActorFocusStack.length; i++) { + if (modalActorFocusStack[i].grab === grab) + return i; + } + return -1; +} + +/** + * pushModal: + * @param {Clutter.Actor} actor: actor which will be given keyboard focus + * @param {Object=} params: optional parameters + * + * Ensure we are in a mode where all keyboard and mouse input goes to + * the stage, and focus @actor. Multiple calls to this function act in + * a stacking fashion; the effect will be undone when an equal number + * of popModal() invocations have been made. + * + * Next, record the current Clutter keyboard focus on a stack. If the + * modal stack returns to this actor, reset the focus to the actor + * which was focused at the time pushModal() was invoked. + * + * @params may be used to provide the following parameters: + * - timestamp: used to associate the call with a specific user initiated + * event. If not provided then the value of + * global.get_current_time() is assumed. + * + * - options: Meta.ModalOptions flags to indicate that the pointer is + * already grabbed + * + * - actionMode: used to set the current Shell.ActionMode to filter + * global keybindings; the default of NONE will filter + * out all keybindings + * + * @returns {Clutter.Grab}: the grab handle created + */ +function pushModal(actor, params) { + params = Params.parse(params, { + timestamp: global.get_current_time(), + options: 0, + actionMode: Shell.ActionMode.NONE, + }); + + let grab = global.stage.grab(actor); + + if (modalCount === 0) + Meta.disable_unredirect_for_display(global.display); + + modalCount += 1; + let actorDestroyId = actor.connect('destroy', () => { + let index = _findModal(grab); + if (index >= 0) + popModal(grab); + }); + + let prevFocus = global.stage.get_key_focus(); + let prevFocusDestroyId; + if (prevFocus != null) { + prevFocusDestroyId = prevFocus.connect('destroy', () => { + const index = modalActorFocusStack.findIndex( + record => record.prevFocus === prevFocus); + + if (index >= 0) + modalActorFocusStack[index].prevFocus = null; + }); + } + modalActorFocusStack.push({ + actor, + grab, + destroyId: actorDestroyId, + prevFocus, + prevFocusDestroyId, + actionMode, + }); + + actionMode = params.actionMode; + global.stage.set_key_focus(actor); + return grab; +} + +/** + * popModal: + * @param {Clutter.Grab} grab - the grab given by pushModal() + * @param {number=} timestamp - optional timestamp + * + * Reverse the effect of pushModal(). If this invocation is undoing + * the topmost invocation, then the focus will be restored to the + * previous focus at the time when pushModal() was invoked. + * + * @timestamp is optionally used to associate the call with a specific user + * initiated event. If not provided then the value of + * global.get_current_time() is assumed. + */ +function popModal(grab, timestamp) { + if (timestamp == undefined) + timestamp = global.get_current_time(); + + let focusIndex = _findModal(grab); + if (focusIndex < 0) { + global.stage.set_key_focus(null); + actionMode = Shell.ActionMode.NORMAL; + + throw new Error('incorrect pop'); + } + + modalCount -= 1; + + let record = modalActorFocusStack[focusIndex]; + record.actor.disconnect(record.destroyId); + + record.grab.dismiss(); + + if (focusIndex == modalActorFocusStack.length - 1) { + if (record.prevFocus) + record.prevFocus.disconnect(record.prevFocusDestroyId); + actionMode = record.actionMode; + global.stage.set_key_focus(record.prevFocus); + } else { + // If we have: + // global.stage.set_focus(a); + // Main.pushModal(b); + // Main.pushModal(c); + // Main.pushModal(d); + // + // then we have the stack: + // [{ prevFocus: a, actor: b }, + // { prevFocus: b, actor: c }, + // { prevFocus: c, actor: d }] + // + // When actor c is destroyed/popped, if we only simply remove the + // record, then the focus stack will be [a, c], rather than the correct + // [a, b]. Shift the focus stack up before removing the record to ensure + // that we get the correct result. + let t = modalActorFocusStack[modalActorFocusStack.length - 1]; + if (t.prevFocus) + t.prevFocus.disconnect(t.prevFocusDestroyId); + // Remove from the middle, shift the focus chain up + for (let i = modalActorFocusStack.length - 1; i > focusIndex; i--) { + modalActorFocusStack[i].prevFocus = modalActorFocusStack[i - 1].prevFocus; + modalActorFocusStack[i].prevFocusDestroyId = modalActorFocusStack[i - 1].prevFocusDestroyId; + modalActorFocusStack[i].actionMode = modalActorFocusStack[i - 1].actionMode; + } + } + modalActorFocusStack.splice(focusIndex, 1); + + if (modalCount > 0) + return; + + layoutManager.modalEnded(); + Meta.enable_unredirect_for_display(global.display); + actionMode = Shell.ActionMode.NORMAL; +} + +function createLookingGlass() { + if (lookingGlass == null) + lookingGlass = new LookingGlass.LookingGlass(); + + return lookingGlass; +} + +function openRunDialog() { + if (runDialog == null) + runDialog = new RunDialog.RunDialog(); + + runDialog.open(); +} + +function openWelcomeDialog() { + if (welcomeDialog === null) + welcomeDialog = new WelcomeDialog.WelcomeDialog(); + + welcomeDialog.open(); +} + +/** + * activateWindow: + * @param {Meta.Window} window: the window to activate + * @param {number=} time: current event time + * @param {number=} workspaceNum: window's workspace number + * + * Activates @window, switching to its workspace first if necessary, + * and switching out of the overview if it's currently active + */ +function activateWindow(window, time, workspaceNum) { + let workspaceManager = global.workspace_manager; + let activeWorkspaceNum = workspaceManager.get_active_workspace_index(); + let windowWorkspaceNum = workspaceNum !== undefined ? workspaceNum : window.get_workspace().index(); + + if (!time) + time = global.get_current_time(); + + if (windowWorkspaceNum != activeWorkspaceNum) { + let workspace = workspaceManager.get_workspace_by_index(windowWorkspaceNum); + workspace.activate_with_focus(window, time); + } else { + window.activate(time); + } + + overview.hide(); + panel.closeCalendar(); +} + +/** + * Move @window to the specified monitor and workspace. + * + * @param {Meta.Window} window - the window to move + * @param {number} monitorIndex - the requested monitor + * @param {number} workspaceIndex - the requested workspace + * @param {bool} append - create workspace if it doesn't exist + */ +function moveWindowToMonitorAndWorkspace(window, monitorIndex, workspaceIndex, append = false) { + // We need to move the window before changing the workspace, because + // the move itself could cause a workspace change if the window enters + // the primary monitor + if (window.get_monitor() !== monitorIndex) { + // Wait for the monitor change to take effect + const id = global.display.connect('window-entered-monitor', + (dsp, num, w) => { + if (w !== window) + return; + window.change_workspace_by_index(workspaceIndex, append); + global.display.disconnect(id); + }); + window.move_to_monitor(monitorIndex); + } else { + window.change_workspace_by_index(workspaceIndex, append); + } +} + +// TODO - replace this timeout with some system to guess when the user might +// be e.g. just reading the screen and not likely to interact. +var DEFERRED_TIMEOUT_SECONDS = 20; +var _deferredWorkData = {}; +// Work scheduled for some point in the future +var _deferredWorkQueue = []; +// Work we need to process before the next redraw +var _beforeRedrawQueue = []; +// Counter to assign work ids +var _deferredWorkSequence = 0; +var _deferredTimeoutId = 0; + +function _runDeferredWork(workId) { + if (!_deferredWorkData[workId]) + return; + let index = _deferredWorkQueue.indexOf(workId); + if (index < 0) + return; + + _deferredWorkQueue.splice(index, 1); + _deferredWorkData[workId].callback(); + if (_deferredWorkQueue.length == 0 && _deferredTimeoutId > 0) { + GLib.source_remove(_deferredTimeoutId); + _deferredTimeoutId = 0; + } +} + +function _runAllDeferredWork() { + while (_deferredWorkQueue.length > 0) + _runDeferredWork(_deferredWorkQueue[0]); +} + +function _runBeforeRedrawQueue() { + for (let i = 0; i < _beforeRedrawQueue.length; i++) { + let workId = _beforeRedrawQueue[i]; + _runDeferredWork(workId); + } + _beforeRedrawQueue = []; +} + +function _queueBeforeRedraw(workId) { + _beforeRedrawQueue.push(workId); + if (_beforeRedrawQueue.length == 1) { + Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => { + _runBeforeRedrawQueue(); + return false; + }); + } +} + +/** + * initializeDeferredWork: + * @param {Clutter.Actor} actor: an actor + * @param {callback} callback: Function to invoke to perform work + * + * This function sets up a callback to be invoked when either the + * given actor is mapped, or after some period of time when the machine + * is idle. This is useful if your actor isn't always visible on the + * screen (for example, all actors in the overview), and you don't want + * to consume resources updating if the actor isn't actually going to be + * displaying to the user. + * + * Note that queueDeferredWork is called by default immediately on + * initialization as well, under the assumption that new actors + * will need it. + * + * @returns {string}: A string work identifier + */ +function initializeDeferredWork(actor, callback) { + // Turn into a string so we can use as an object property + let workId = `${++_deferredWorkSequence}`; + _deferredWorkData[workId] = { + actor, + callback, + }; + actor.connect('notify::mapped', () => { + if (!(actor.mapped && _deferredWorkQueue.includes(workId))) + return; + _queueBeforeRedraw(workId); + }); + actor.connect('destroy', () => { + let index = _deferredWorkQueue.indexOf(workId); + if (index >= 0) + _deferredWorkQueue.splice(index, 1); + delete _deferredWorkData[workId]; + }); + queueDeferredWork(workId); + return workId; +} + +/** + * queueDeferredWork: + * @param {string} workId: work identifier + * + * Ensure that the work identified by @workId will be + * run on map or timeout. You should call this function + * for example when data being displayed by the actor has + * changed. + */ +function queueDeferredWork(workId) { + let data = _deferredWorkData[workId]; + if (!data) { + let message = `Invalid work id ${workId}`; + logError(new Error(message), message); + return; + } + if (!_deferredWorkQueue.includes(workId)) + _deferredWorkQueue.push(workId); + if (data.actor.mapped) { + _queueBeforeRedraw(workId); + } else if (_deferredTimeoutId == 0) { + _deferredTimeoutId = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, DEFERRED_TIMEOUT_SECONDS, () => { + _runAllDeferredWork(); + _deferredTimeoutId = 0; + return GLib.SOURCE_REMOVE; + }); + GLib.Source.set_name_by_id(_deferredTimeoutId, '[gnome-shell] _runAllDeferredWork'); + } +} + +var RestartMessage = GObject.registerClass( +class RestartMessage extends ModalDialog.ModalDialog { + _init(message) { + super._init({ + shellReactive: true, + styleClass: 'restart-message headline', + shouldFadeIn: false, + destroyOnClose: true, + }); + + let label = new St.Label({ + text: message, + x_align: Clutter.ActorAlign.CENTER, + y_align: Clutter.ActorAlign.CENTER, + }); + + this.contentLayout.add_child(label); + this.buttonLayout.hide(); + } +}); + +function showRestartMessage(message) { + let restartMessage = new RestartMessage(message); + restartMessage.open(); +} + +var AnimationsSettings = class { + constructor() { + let backend = global.backend; + if (!backend.is_rendering_hardware_accelerated()) { + St.Settings.get().inhibit_animations(); + return; + } + + let isXvnc = Shell.util_has_x11_display_extension( + global.display, 'VNC-EXTENSION'); + if (isXvnc) { + St.Settings.get().inhibit_animations(); + return; + } + + let remoteAccessController = backend.get_remote_access_controller(); + if (!remoteAccessController) + return; + + this._handles = new Set(); + remoteAccessController.connect('new-handle', + (_, handle) => this._onNewRemoteAccessHandle(handle)); + } + + _onRemoteAccessHandleStopped(handle) { + let settings = St.Settings.get(); + + settings.uninhibit_animations(); + this._handles.delete(handle); + } + + _onNewRemoteAccessHandle(handle) { + if (!handle.get_disable_animations()) + return; + + let settings = St.Settings.get(); + + settings.inhibit_animations(); + this._handles.add(handle); + handle.connect('stopped', this._onRemoteAccessHandleStopped.bind(this)); + } +}; |