a197ce6f53
The dynamic-workspaces key was introduced to allow us to opt out of writing the num-workspaces setting (which is ignored with the dynamic workspace management anyway), but there'll be some expectations that the setting will have an effect on the UI. It's actually not very hard to support, so here's to the graybeards ... https://bugzilla.gnome.org/show_bug.cgi?id=671568
921 lines
30 KiB
JavaScript
921 lines
30 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Gdk = imports.gi.Gdk;
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Meta = imports.gi.Meta;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const AutomountManager = imports.ui.automountManager;
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const AutorunManager = imports.ui.autorunManager;
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const CtrlAltTab = imports.ui.ctrlAltTab;
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const EndSessionDialog = imports.ui.endSessionDialog;
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const PolkitAuthenticationAgent = imports.ui.polkitAuthenticationAgent;
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const KeyringPrompt = imports.ui.keyringPrompt;
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const Environment = imports.ui.environment;
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const ExtensionSystem = imports.ui.extensionSystem;
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const Keyboard = imports.ui.keyboard;
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const MessageTray = imports.ui.messageTray;
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const Overview = imports.ui.overview;
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const Panel = imports.ui.panel;
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const PlaceDisplay = imports.ui.placeDisplay;
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const RunDialog = imports.ui.runDialog;
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const Layout = imports.ui.layout;
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const LookingGlass = imports.ui.lookingGlass;
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const NetworkAgent = imports.ui.networkAgent;
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const NotificationDaemon = imports.ui.notificationDaemon;
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const WindowAttentionHandler = imports.ui.windowAttentionHandler;
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const Scripting = imports.ui.scripting;
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const ShellDBus = imports.ui.shellDBus;
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const TelepathyClient = imports.ui.telepathyClient;
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const WindowManager = imports.ui.windowManager;
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const Magnifier = imports.ui.magnifier;
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const XdndHandler = imports.ui.xdndHandler;
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const StatusIconDispatcher = imports.ui.statusIconDispatcher;
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const Util = imports.misc.util;
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const OVERRIDES_SCHEMA = 'org.gnome.shell.overrides';
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const DEFAULT_BACKGROUND_COLOR = new Clutter.Color();
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DEFAULT_BACKGROUND_COLOR.from_pixel(0x2266bbff);
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let automountManager = null;
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let autorunManager = null;
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let panel = null;
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let hotCorners = [];
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let placesManager = null;
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let overview = null;
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let runDialog = null;
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let lookingGlass = null;
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let wm = null;
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let messageTray = null;
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let notificationDaemon = null;
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let windowAttentionHandler = null;
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let telepathyClient = null;
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let ctrlAltTabManager = null;
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let recorder = null;
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let shellDBusService = null;
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let modalCount = 0;
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let modalActorFocusStack = [];
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let uiGroup = null;
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let magnifier = null;
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let xdndHandler = null;
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let statusIconDispatcher = null;
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let keyboard = null;
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let layoutManager = null;
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let networkAgent = null;
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let _errorLogStack = [];
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let _startDate;
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let _defaultCssStylesheet = null;
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let _cssStylesheet = null;
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let _gdmCssStylesheet = null;
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let _overridesSettings = null;
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let background = null;
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function _createUserSession() {
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// Load the calendar server. Note that we are careful about
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// not loading any events until the user presses the clock
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global.launch_calendar_server();
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placesManager = new PlaceDisplay.PlacesManager();
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telepathyClient = new TelepathyClient.Client();
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automountManager = new AutomountManager.AutomountManager();
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autorunManager = new AutorunManager.AutorunManager();
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networkAgent = new NetworkAgent.NetworkAgent();
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}
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function _createGDMSession() {
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// We do this this here instead of at the top to prevent GDM
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// related code from getting loaded in normal user sessions
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const LoginDialog = imports.gdm.loginDialog;
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let loginDialog = new LoginDialog.LoginDialog();
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loginDialog.connect('loaded', function() {
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loginDialog.open();
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});
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}
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function _initRecorder() {
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let recorderSettings = new Gio.Settings({ schema: 'org.gnome.shell.recorder' });
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global.screen.connect('toggle-recording', function() {
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if (recorder == null) {
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recorder = new Shell.Recorder({ stage: global.stage });
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}
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if (recorder.is_recording()) {
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recorder.pause();
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Meta.enable_unredirect_for_screen(global.screen);
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} else {
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// read the parameters from GSettings always in case they have changed
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recorder.set_framerate(recorderSettings.get_int('framerate'));
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/* Translators: this is a filename used for screencast recording */
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// xgettext:no-c-format
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recorder.set_filename(_("Screencast from %d %t") + '.' + recorderSettings.get_string('file-extension'));
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let pipeline = recorderSettings.get_string('pipeline');
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if (!pipeline.match(/^\s*$/))
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recorder.set_pipeline(pipeline);
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else
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recorder.set_pipeline(null);
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Meta.disable_unredirect_for_screen(global.screen);
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recorder.record();
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}
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});
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}
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function _initUserSession() {
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_initRecorder();
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global.screen.override_workspace_layout(Meta.ScreenCorner.TOPLEFT, false, -1, 1);
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ExtensionSystem.init();
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ExtensionSystem.loadExtensions();
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Meta.keybindings_set_custom_handler('panel-run-dialog', function() {
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getRunDialog().open();
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});
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Meta.keybindings_set_custom_handler('panel-main-menu', function () {
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overview.toggle();
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});
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global.display.connect('overlay-key', Lang.bind(overview, overview.toggle));
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}
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function start() {
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// Monkey patch utility functions into the global proxy;
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// This is easier and faster than indirecting down into global
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// if we want to call back up into JS.
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global.logError = _logError;
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global.log = _logDebug;
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// Chain up async errors reported from C
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global.connect('notify-error', function (global, msg, detail) { notifyError(msg, detail); });
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Gio.DesktopAppInfo.set_desktop_env('GNOME');
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shellDBusService = new ShellDBus.GnomeShell();
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// Ensure ShellWindowTracker and ShellAppUsage are initialized; this will
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// also initialize ShellAppSystem first. ShellAppSystem
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// needs to load all the .desktop files, and ShellWindowTracker
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// will use those to associate with windows. Right now
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// the Monitor doesn't listen for installed app changes
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// and recalculate application associations, so to avoid
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// races for now we initialize it here. It's better to
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// be predictable anyways.
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Shell.WindowTracker.get_default();
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Shell.AppUsage.get_default();
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// The stage is always covered so Clutter doesn't need to clear it; however
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// the color is used as the default contents for the Mutter root background
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// actor so set it anyways.
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global.stage.color = DEFAULT_BACKGROUND_COLOR;
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global.stage.no_clear_hint = true;
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_defaultCssStylesheet = global.datadir + '/theme/gnome-shell.css';
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_gdmCssStylesheet = global.datadir + '/theme/gdm.css';
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loadTheme();
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// Set up stage hierarchy to group all UI actors under one container.
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uiGroup = new Shell.GenericContainer({ name: 'uiGroup' });
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uiGroup.connect('allocate',
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function (actor, box, flags) {
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let children = uiGroup.get_children();
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for (let i = 0; i < children.length; i++)
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children[i].allocate_preferred_size(flags);
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});
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let constraint = new Clutter.BindConstraint({ source: global.stage,
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coordinate: Clutter.BindCoordinate.SIZE });
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uiGroup.add_constraint(constraint);
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global.window_group.reparent(uiGroup);
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global.overlay_group.reparent(uiGroup);
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global.stage.add_actor(uiGroup);
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layoutManager = new Layout.LayoutManager();
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xdndHandler = new XdndHandler.XdndHandler();
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ctrlAltTabManager = new CtrlAltTab.CtrlAltTabManager();
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// This overview object is just a stub for non-user sessions
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overview = new Overview.Overview({ isDummy: global.session_type != Shell.SessionType.USER });
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magnifier = new Magnifier.Magnifier();
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statusIconDispatcher = new StatusIconDispatcher.StatusIconDispatcher();
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panel = new Panel.Panel();
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wm = new WindowManager.WindowManager();
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messageTray = new MessageTray.MessageTray();
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keyboard = new Keyboard.Keyboard();
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notificationDaemon = new NotificationDaemon.NotificationDaemon();
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windowAttentionHandler = new WindowAttentionHandler.WindowAttentionHandler();
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if (global.session_type == Shell.SessionType.USER)
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_createUserSession();
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else if (global.session_type == Shell.SessionType.GDM)
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_createGDMSession();
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panel.startStatusArea();
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layoutManager.init();
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keyboard.init();
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overview.init();
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if (global.session_type == Shell.SessionType.USER)
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_initUserSession();
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statusIconDispatcher.start(messageTray.actor);
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// Provide the bus object for gnome-session to
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// initiate logouts.
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EndSessionDialog.init();
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// Attempt to become a PolicyKit authentication agent
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PolkitAuthenticationAgent.init()
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// Become a prompter for gnome keyring
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KeyringPrompt.init();
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_startDate = new Date();
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global.stage.connect('captured-event', _globalKeyPressHandler);
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_log('info', 'loaded at ' + _startDate);
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log('GNOME Shell started at ' + _startDate);
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let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
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if (perfModuleName) {
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let perfOutput = GLib.getenv("SHELL_PERF_OUTPUT");
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let module = eval('imports.perf.' + perfModuleName + ';');
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Scripting.runPerfScript(module, perfOutput);
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}
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_overridesSettings = new Gio.Settings({ schema: OVERRIDES_SCHEMA });
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_overridesSettings.connect('changed::dynamic-workspaces', _queueCheckWorkspaces);
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global.screen.connect('notify::n-workspaces', _nWorkspacesChanged);
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global.screen.connect('window-entered-monitor', _windowEnteredMonitor);
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global.screen.connect('window-left-monitor', _windowLeftMonitor);
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global.screen.connect('restacked', _windowsRestacked);
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_nWorkspacesChanged();
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}
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let _workspaces = [];
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let _checkWorkspacesId = 0;
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/*
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* When the last window closed on a workspace is a dialog or splash
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* screen, we assume that it might be an initial window shown before
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* the main window of an application, and give the app a grace period
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* where it can map another window before we remove the workspace.
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*/
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const LAST_WINDOW_GRACE_TIME = 1000;
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function _checkWorkspaces() {
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let i;
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let emptyWorkspaces = [];
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if (!Meta.prefs_get_dynamic_workspaces()) {
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_checkWorkspacesId = 0;
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return false;
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}
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for (i = 0; i < _workspaces.length; i++) {
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let lastRemoved = _workspaces[i]._lastRemovedWindow;
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if (lastRemoved &&
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(lastRemoved.get_window_type() == Meta.WindowType.SPLASHSCREEN ||
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lastRemoved.get_window_type() == Meta.WindowType.DIALOG ||
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lastRemoved.get_window_type() == Meta.WindowType.MODAL_DIALOG))
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emptyWorkspaces[i] = false;
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else
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emptyWorkspaces[i] = true;
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}
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let windows = global.get_window_actors();
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for (i = 0; i < windows.length; i++) {
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let win = windows[i];
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if (win.get_meta_window().is_on_all_workspaces())
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continue;
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let workspaceIndex = win.get_workspace();
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emptyWorkspaces[workspaceIndex] = false;
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}
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// If we don't have an empty workspace at the end, add one
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if (!emptyWorkspaces[emptyWorkspaces.length -1]) {
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global.screen.append_new_workspace(false, global.get_current_time());
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emptyWorkspaces.push(false);
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}
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let activeWorkspaceIndex = global.screen.get_active_workspace_index();
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let removingCurrentWorkspace = (emptyWorkspaces[activeWorkspaceIndex] &&
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activeWorkspaceIndex < emptyWorkspaces.length - 1);
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// Don't enter the overview when removing multiple empty workspaces at startup
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let showOverview = (removingCurrentWorkspace &&
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!emptyWorkspaces.every(function(x) { return x; }));
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if (removingCurrentWorkspace) {
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// "Merge" the empty workspace we are removing with the one at the end
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wm.blockAnimations();
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}
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// Delete other empty workspaces; do it from the end to avoid index changes
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for (i = emptyWorkspaces.length - 2; i >= 0; i--) {
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if (emptyWorkspaces[i])
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global.screen.remove_workspace(_workspaces[i], global.get_current_time());
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}
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if (removingCurrentWorkspace) {
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global.screen.get_workspace_by_index(global.screen.n_workspaces - 1).activate(global.get_current_time());
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wm.unblockAnimations();
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if (!overview.visible && showOverview)
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overview.show();
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}
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_checkWorkspacesId = 0;
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return false;
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}
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function _windowRemoved(workspace, window) {
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workspace._lastRemovedWindow = window;
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_queueCheckWorkspaces();
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Mainloop.timeout_add(LAST_WINDOW_GRACE_TIME, function() {
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if (workspace._lastRemovedWindow == window) {
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workspace._lastRemovedWindow = null;
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_queueCheckWorkspaces();
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}
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return false;
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});
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}
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function _windowLeftMonitor(metaScreen, monitorIndex, metaWin) {
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// If the window left the primary monitor, that
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// might make that workspace empty
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if (monitorIndex == layoutManager.primaryIndex)
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_queueCheckWorkspaces();
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}
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function _windowEnteredMonitor(metaScreen, monitorIndex, metaWin) {
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// If the window entered the primary monitor, that
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// might make that workspace non-empty
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if (monitorIndex == layoutManager.primaryIndex)
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_queueCheckWorkspaces();
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}
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function _windowsRestacked() {
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// Figure out where the pointer is in case we lost track of
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// it during a grab. (In particular, if a trayicon popup menu
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// is dismissed, see if we need to close the message tray.)
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global.sync_pointer();
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}
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function _queueCheckWorkspaces() {
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if (_checkWorkspacesId == 0)
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_checkWorkspacesId = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, _checkWorkspaces);
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}
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function _nWorkspacesChanged() {
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let oldNumWorkspaces = _workspaces.length;
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let newNumWorkspaces = global.screen.n_workspaces;
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if (oldNumWorkspaces == newNumWorkspaces)
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return false;
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let lostWorkspaces = [];
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if (newNumWorkspaces > oldNumWorkspaces) {
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let w;
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// Assume workspaces are only added at the end
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for (w = oldNumWorkspaces; w < newNumWorkspaces; w++)
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_workspaces[w] = global.screen.get_workspace_by_index(w);
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for (w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
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let workspace = _workspaces[w];
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workspace._windowAddedId = workspace.connect('window-added', _queueCheckWorkspaces);
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workspace._windowRemovedId = workspace.connect('window-removed', _windowRemoved);
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}
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} else {
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// Assume workspaces are only removed sequentially
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// (e.g. 2,3,4 - not 2,4,7)
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let removedIndex;
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let removedNum = oldNumWorkspaces - newNumWorkspaces;
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for (let w = 0; w < oldNumWorkspaces; w++) {
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let workspace = global.screen.get_workspace_by_index(w);
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if (_workspaces[w] != workspace) {
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removedIndex = w;
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break;
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}
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}
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let lostWorkspaces = _workspaces.splice(removedIndex, removedNum);
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lostWorkspaces.forEach(function(workspace) {
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workspace.disconnect(workspace._windowAddedId);
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workspace.disconnect(workspace._windowRemovedId);
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});
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}
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_queueCheckWorkspaces();
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return false;
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}
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/**
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* getThemeStylesheet:
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*
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* Get the theme CSS file that the shell will load
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*
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* Returns: A file path that contains the theme CSS,
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* null if using the default
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*/
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function getThemeStylesheet()
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{
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return _cssStylesheet;
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}
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/**
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* setThemeStylesheet:
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* @cssStylesheet: A file path that contains the theme CSS,
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* set it to null to use the default
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*
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* Set the theme CSS file that the shell will load
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*/
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function setThemeStylesheet(cssStylesheet)
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{
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_cssStylesheet = cssStylesheet;
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}
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/**
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* loadTheme:
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*
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* Reloads the theme CSS file
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*/
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function loadTheme() {
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let themeContext = St.ThemeContext.get_for_stage (global.stage);
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let previousTheme = themeContext.get_theme();
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let cssStylesheet = _defaultCssStylesheet;
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if (_cssStylesheet != null)
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cssStylesheet = _cssStylesheet;
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let theme = new St.Theme ({ application_stylesheet: cssStylesheet });
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if (global.session_type == Shell.SessionType.GDM)
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theme.load_stylesheet(_gdmCssStylesheet);
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if (previousTheme) {
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let customStylesheets = previousTheme.get_custom_stylesheets();
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for (let i = 0; i < customStylesheets.length; i++)
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theme.load_stylesheet(customStylesheets[i]);
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}
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themeContext.set_theme (theme);
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}
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/**
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* notify:
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* @msg: A message
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* @details: Additional information
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*/
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function notify(msg, details) {
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let source = new MessageTray.SystemNotificationSource();
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messageTray.add(source);
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let notification = new MessageTray.Notification(source, msg, details);
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notification.setTransient(true);
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source.notify(notification);
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}
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/**
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* notifyError:
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* @msg: An error message
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* @details: Additional information
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*
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* See shell_global_notify_problem().
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*/
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function notifyError(msg, details) {
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// Also print to stderr so it's logged somewhere
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if (details)
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log('error: ' + msg + ': ' + details);
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else
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log('error: ' + msg);
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notify(msg, details);
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}
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/**
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* _log:
|
|
* @category: string message type ('info', 'error')
|
|
* @msg: A message string
|
|
* ...: Any further arguments are converted into JSON notation,
|
|
* and appended to the log message, separated by spaces.
|
|
*
|
|
* Log a message into the LookingGlass error
|
|
* stream. This is primarily intended for use by the
|
|
* extension system as well as debugging.
|
|
*/
|
|
function _log(category, msg) {
|
|
let text = msg;
|
|
if (arguments.length > 2) {
|
|
text += ': ';
|
|
for (let i = 2; i < arguments.length; i++) {
|
|
text += JSON.stringify(arguments[i]);
|
|
if (i < arguments.length - 1)
|
|
text += ' ';
|
|
}
|
|
}
|
|
_errorLogStack.push({timestamp: new Date().getTime(),
|
|
category: category,
|
|
message: text });
|
|
}
|
|
|
|
function _logError(msg) {
|
|
return _log('error', msg);
|
|
}
|
|
|
|
function _logDebug(msg) {
|
|
return _log('debug', msg);
|
|
}
|
|
|
|
// Used by the error display in lookingGlass.js
|
|
function _getAndClearErrorStack() {
|
|
let errors = _errorLogStack;
|
|
_errorLogStack = [];
|
|
return errors;
|
|
}
|
|
|
|
function logStackTrace(msg) {
|
|
try {
|
|
throw new Error();
|
|
} catch (e) {
|
|
// e.stack must have at least two lines, with the first being
|
|
// logStackTrace() (which we strip off), and the second being
|
|
// our caller.
|
|
let trace = e.stack.substr(e.stack.indexOf('\n') + 1);
|
|
log(msg ? (msg + '\n' + trace) : trace);
|
|
}
|
|
}
|
|
|
|
function isWindowActorDisplayedOnWorkspace(win, workspaceIndex) {
|
|
return win.get_workspace() == workspaceIndex ||
|
|
(win.get_meta_window() && win.get_meta_window().is_on_all_workspaces());
|
|
}
|
|
|
|
function getWindowActorsForWorkspace(workspaceIndex) {
|
|
return global.get_window_actors().filter(function (win) {
|
|
return isWindowActorDisplayedOnWorkspace(win, workspaceIndex);
|
|
});
|
|
}
|
|
|
|
// This function encapsulates hacks to make certain global keybindings
|
|
// work even when we are in one of our modes where global keybindings
|
|
// are disabled with a global grab. (When there is a global grab, then
|
|
// all key events will be delivered to the stage, so ::captured-event
|
|
// on the stage can be used for global keybindings.)
|
|
function _globalKeyPressHandler(actor, event) {
|
|
if (modalCount == 0)
|
|
return false;
|
|
if (event.type() != Clutter.EventType.KEY_PRESS)
|
|
return false;
|
|
|
|
let symbol = event.get_key_symbol();
|
|
let keyCode = event.get_key_code();
|
|
let modifierState = event.get_state();
|
|
|
|
// This relies on the fact that Clutter.ModifierType is the same as Gdk.ModifierType
|
|
let action = global.display.get_keybinding_action(keyCode, modifierState);
|
|
|
|
// Other bindings are only available to the user session when the overview is up and
|
|
// no modal dialog is present.
|
|
if (global.session_type == Shell.SessionType.USER && (!overview.visible || modalCount > 1))
|
|
return false;
|
|
|
|
// This isn't a Meta.KeyBindingAction yet
|
|
if (symbol == Clutter.Super_L || symbol == Clutter.Super_R) {
|
|
overview.hide();
|
|
return true;
|
|
}
|
|
|
|
if (action == Meta.KeyBindingAction.SWITCH_PANELS) {
|
|
ctrlAltTabManager.popup(modifierState & Clutter.ModifierType.SHIFT_MASK,
|
|
modifierState);
|
|
return true;
|
|
}
|
|
|
|
// None of the other bindings are relevant outside of the user's session
|
|
if (global.session_type != Shell.SessionType.USER)
|
|
return false;
|
|
|
|
switch (action) {
|
|
// left/right would effectively act as synonyms for up/down if we enabled them;
|
|
// but that could be considered confusing; we also disable them in the main view.
|
|
//
|
|
// case Meta.KeyBindingAction.WORKSPACE_LEFT:
|
|
// wm.actionMoveWorkspaceLeft();
|
|
// return true;
|
|
// case Meta.KeyBindingAction.WORKSPACE_RIGHT:
|
|
// wm.actionMoveWorkspaceRight();
|
|
// return true;
|
|
case Meta.KeyBindingAction.WORKSPACE_UP:
|
|
wm.actionMoveWorkspaceUp();
|
|
return true;
|
|
case Meta.KeyBindingAction.WORKSPACE_DOWN:
|
|
wm.actionMoveWorkspaceDown();
|
|
return true;
|
|
case Meta.KeyBindingAction.PANEL_RUN_DIALOG:
|
|
case Meta.KeyBindingAction.COMMAND_2:
|
|
getRunDialog().open();
|
|
return true;
|
|
case Meta.KeyBindingAction.PANEL_MAIN_MENU:
|
|
overview.hide();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function _findModal(actor) {
|
|
for (let i = 0; i < modalActorFocusStack.length; i++) {
|
|
if (modalActorFocusStack[i].actor == actor)
|
|
return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* pushModal:
|
|
* @actor: #ClutterActor which will be given keyboard focus
|
|
* @timestamp: optional timestamp
|
|
*
|
|
* 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.
|
|
*
|
|
* @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.
|
|
*
|
|
* @options: optional Meta.ModalOptions flags to indicate that the
|
|
* pointer is alrady grabbed
|
|
*
|
|
* Returns: true iff we successfully acquired a grab or already had one
|
|
*/
|
|
function pushModal(actor, timestamp, options) {
|
|
if (timestamp == undefined)
|
|
timestamp = global.get_current_time();
|
|
|
|
if (modalCount == 0) {
|
|
if (!global.begin_modal(timestamp, options ? options : 0)) {
|
|
log('pushModal: invocation of begin_modal failed');
|
|
return false;
|
|
}
|
|
}
|
|
|
|
global.set_stage_input_mode(Shell.StageInputMode.FULLSCREEN);
|
|
|
|
modalCount += 1;
|
|
let actorDestroyId = actor.connect('destroy', function() {
|
|
let index = _findModal(actor);
|
|
if (index >= 0)
|
|
modalActorFocusStack.splice(index, 1);
|
|
});
|
|
let curFocus = global.stage.get_key_focus();
|
|
let curFocusDestroyId;
|
|
if (curFocus != null) {
|
|
curFocusDestroyId = curFocus.connect('destroy', function() {
|
|
let index = _findModal(actor);
|
|
if (index >= 0)
|
|
modalActorFocusStack[index].actor = null;
|
|
});
|
|
}
|
|
modalActorFocusStack.push({ actor: actor,
|
|
focus: curFocus,
|
|
destroyId: actorDestroyId,
|
|
focusDestroyId: curFocusDestroyId });
|
|
|
|
global.stage.set_key_focus(actor);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* popModal:
|
|
* @actor: #ClutterActor passed to original invocation of pushModal().
|
|
* @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(actor, timestamp) {
|
|
if (timestamp == undefined)
|
|
timestamp = global.get_current_time();
|
|
|
|
let focusIndex = _findModal(actor);
|
|
if (focusIndex < 0) {
|
|
global.stage.set_key_focus(null);
|
|
global.end_modal(timestamp);
|
|
global.set_stage_input_mode(Shell.StageInputMode.NORMAL);
|
|
|
|
throw new Error('incorrect pop');
|
|
}
|
|
|
|
modalCount -= 1;
|
|
|
|
let record = modalActorFocusStack[focusIndex];
|
|
record.actor.disconnect(record.destroyId);
|
|
|
|
if (focusIndex == modalActorFocusStack.length - 1) {
|
|
if (record.focus)
|
|
record.focus.disconnect(record.focusDestroyId);
|
|
global.stage.set_key_focus(record.focus);
|
|
} else {
|
|
let t = modalActorFocusStack[modalActorFocusStack.length - 1];
|
|
if (t.focus)
|
|
t.focus.disconnect(t.focusDestroyId);
|
|
// Remove from the middle, shift the focus chain up
|
|
for (let i = modalActorFocusStack.length - 1; i > focusIndex; i--) {
|
|
modalActorFocusStack[i].focus = modalActorFocusStack[i - 1].focus;
|
|
modalActorFocusStack[i].focusDestroyId = modalActorFocusStack[i - 1].focusDestroyId;
|
|
}
|
|
}
|
|
modalActorFocusStack.splice(focusIndex, 1);
|
|
|
|
if (modalCount > 0)
|
|
return;
|
|
|
|
global.end_modal(timestamp);
|
|
global.set_stage_input_mode(Shell.StageInputMode.NORMAL);
|
|
}
|
|
|
|
function createLookingGlass() {
|
|
if (lookingGlass == null) {
|
|
lookingGlass = new LookingGlass.LookingGlass();
|
|
}
|
|
return lookingGlass;
|
|
}
|
|
|
|
function getRunDialog() {
|
|
if (runDialog == null) {
|
|
runDialog = new RunDialog.RunDialog();
|
|
}
|
|
return runDialog;
|
|
}
|
|
|
|
/**
|
|
* activateWindow:
|
|
* @window: the Meta.Window to activate
|
|
* @time: (optional) current event time
|
|
* @workspaceNum: (optional) 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 activeWorkspaceNum = global.screen.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 = global.screen.get_workspace_by_index(windowWorkspaceNum);
|
|
workspace.activate_with_focus(window, time);
|
|
} else {
|
|
window.activate(time);
|
|
}
|
|
|
|
overview.hide();
|
|
}
|
|
|
|
// 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.
|
|
const 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) {
|
|
Mainloop.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, function () {
|
|
_runBeforeRedrawQueue();
|
|
return false;
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* initializeDeferredWork:
|
|
* @actor: A #ClutterActor
|
|
* @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: A string work identifer
|
|
*/
|
|
function initializeDeferredWork(actor, callback, props) {
|
|
// Turn into a string so we can use as an object property
|
|
let workId = '' + (++_deferredWorkSequence);
|
|
_deferredWorkData[workId] = { 'actor': actor,
|
|
'callback': callback };
|
|
actor.connect('notify::mapped', function () {
|
|
if (!(actor.mapped && _deferredWorkQueue.indexOf(workId) >= 0))
|
|
return;
|
|
_queueBeforeRedraw(workId);
|
|
});
|
|
actor.connect('destroy', function() {
|
|
let index = _deferredWorkQueue.indexOf(workId);
|
|
if (index >= 0)
|
|
_deferredWorkQueue.splice(index, 1);
|
|
delete _deferredWorkData[workId];
|
|
});
|
|
queueDeferredWork(workId);
|
|
return workId;
|
|
}
|
|
|
|
/**
|
|
* queueDeferredWork:
|
|
* @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) {
|
|
global.logError('invalid work id ', workId);
|
|
return;
|
|
}
|
|
if (_deferredWorkQueue.indexOf(workId) < 0)
|
|
_deferredWorkQueue.push(workId);
|
|
if (data.actor.mapped) {
|
|
_queueBeforeRedraw(workId);
|
|
return;
|
|
} else if (_deferredTimeoutId == 0) {
|
|
_deferredTimeoutId = Mainloop.timeout_add_seconds(DEFERRED_TIMEOUT_SECONDS, function () {
|
|
_runAllDeferredWork();
|
|
_deferredTimeoutId = 0;
|
|
return false;
|
|
});
|
|
}
|
|
}
|