gnome-shell/js/ui/statusMenu.js
Cosimo Cecchi 6004e3d2e1 screensaver: factor out a ScreenSaverProxy helper class
This class will be shared between StatusMenu and the upcoming
AutomountManager classes.

https://bugzilla.gnome.org/show_bug.cgi?id=653520
2011-07-13 14:39:35 -04:00

346 lines
13 KiB
JavaScript

/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Gdm = imports.gi.Gdm;
const DBus = imports.dbus;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Tp = imports.gi.TelepathyGLib;
const UPowerGlib = imports.gi.UPowerGlib;
const GnomeSession = imports.misc.gnomeSession;
const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const ScreenSaver = imports.misc.screenSaver;
const Util = imports.misc.util;
const LOCKDOWN_SCHEMA = 'org.gnome.desktop.lockdown';
const DISABLE_USER_SWITCH_KEY = 'disable-user-switching';
const DISABLE_LOCK_SCREEN_KEY = 'disable-lock-screen';
const DISABLE_LOG_OUT_KEY = 'disable-log-out';
// Adapted from gdm/gui/user-switch-applet/applet.c
//
// Copyright (C) 2004-2005 James M. Cape <jcape@ignore-your.tv>.
// Copyright (C) 2008,2009 Red Hat, Inc.
function StatusMenuButton() {
this._init();
}
StatusMenuButton.prototype = {
__proto__: PanelMenu.Button.prototype,
_init: function() {
PanelMenu.Button.prototype._init.call(this, 0.0);
let box = new St.BoxLayout({ name: 'panelStatusMenu' });
this.actor.set_child(box);
this._lockdownSettings = new Gio.Settings({ schema: LOCKDOWN_SCHEMA });
this._gdm = Gdm.UserManager.ref_default();
this._gdm.queue_load();
this._user = this._gdm.get_user(GLib.get_user_name());
this._presence = new GnomeSession.Presence();
this._presenceItems = {};
this._session = new GnomeSession.SessionManager();
this._haveShutdown = true;
this._account_mgr = Tp.AccountManager.dup()
this._upClient = new UPowerGlib.Client();
this._screenSaverProxy = new ScreenSaver.ScreenSaverProxy();
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this._iconBox = new St.Bin();
box.add(this._iconBox, { y_align: St.Align.MIDDLE, y_fill: false });
let textureCache = St.TextureCache.get_default();
this._availableIcon = new St.Icon({ icon_name: 'user-available', style_class: 'popup-menu-icon' });
this._busyIcon = new St.Icon({ icon_name: 'user-busy', style_class: 'popup-menu-icon' });
this._invisibleIcon = new St.Icon({ icon_name: 'user-invisible', style_class: 'popup-menu-icon' });
this._idleIcon = new St.Icon({ icon_name: 'user-idle', style_class: 'popup-menu-icon' });
this._presence.connect('StatusChanged', Lang.bind(this, this._updatePresenceIcon));
this._presence.getStatus(Lang.bind(this, this._updatePresenceIcon));
this._name = new St.Label();
box.add(this._name, { y_align: St.Align.MIDDLE, y_fill: false });
this._userLoadedId = this._user.connect('notify::is-loaded', Lang.bind(this, this._updateUserName));
this._userChangedId = this._user.connect('changed', Lang.bind(this, this._updateUserName));
this._createSubMenu();
this._gdm.connect('notify::is-loaded', Lang.bind(this, this._updateSwitchUser));
this._gdm.connect('user-added', Lang.bind(this, this._updateSwitchUser));
this._gdm.connect('user-removed', Lang.bind(this, this._updateSwitchUser));
this._lockdownSettings.connect('changed::' + DISABLE_USER_SWITCH_KEY,
Lang.bind(this, this._updateSwitchUser));
this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
Lang.bind(this, this._updateLogout));
this._lockdownSettings.connect('changed::' + DISABLE_LOCK_SCREEN_KEY,
Lang.bind(this, this._updateLockScreen));
this._updateSwitchUser();
this._updateLogout();
this._updateLockScreen();
// Whether shutdown is available or not depends on both lockdown
// settings (disable-log-out) and Polkit policy - the latter doesn't
// notify, so we update the menu item each time the menu opens or
// the lockdown setting changes, which should be close enough.
this.menu.connect('open-state-changed', Lang.bind(this,
function(menu, open) {
if (open)
this._updateHaveShutdown();
}));
this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
Lang.bind(this, this._updateHaveShutdown));
this._upClient.connect('notify::can-suspend', Lang.bind(this, this._updateSuspendOrPowerOff));
},
_onDestroy: function() {
this._user.disconnect(this._userLoadedId);
this._user.disconnect(this._userChangedId);
},
_updateUserName: function() {
if (this._user.is_loaded)
this._name.set_text(this._user.get_real_name());
else
this._name.set_text("");
},
_updateSessionSeparator: function() {
let sessionItemsVisible = this._loginScreenItem.actor.visible ||
this._logoutItem.actor.visible ||
this._lockScreenItem.actor.visible;
let showSessionSeparator = sessionItemsVisible &&
this._suspendOrPowerOffItem.actor.visible;
let showSettingsSeparator = sessionItemsVisible ||
this._suspendOrPowerOffItem.actor.visible;
if (showSessionSeparator)
this._sessionSeparator.actor.show();
else
this._sessionSeparator.actor.hide();
if (showSettingsSeparator)
this._settingsSeparator.actor.show();
else
this._settingsSeparator.actor.hide();
},
_updateSwitchUser: function() {
let allowSwitch = !this._lockdownSettings.get_boolean(DISABLE_USER_SWITCH_KEY);
if (allowSwitch && this._gdm.can_switch ())
this._loginScreenItem.actor.show();
else
this._loginScreenItem.actor.hide();
this._updateSessionSeparator();
},
_updateLogout: function() {
let allowLogout = !this._lockdownSettings.get_boolean(DISABLE_LOG_OUT_KEY);
if (allowLogout)
this._logoutItem.actor.show();
else
this._logoutItem.actor.hide();
this._updateSessionSeparator();
},
_updateLockScreen: function() {
let allowLockScreen = !this._lockdownSettings.get_boolean(DISABLE_LOCK_SCREEN_KEY);
if (allowLockScreen)
this._lockScreenItem.actor.show();
else
this._lockScreenItem.actor.hide();
this._updateSessionSeparator();
},
_updateHaveShutdown: function() {
this._session.CanShutdownRemote(Lang.bind(this,
function(result, error) {
if (!error) {
this._haveShutdown = result;
this._updateSuspendOrPowerOff();
}
}));
},
_updateSuspendOrPowerOff: function() {
this._haveSuspend = this._upClient.get_can_suspend();
if (!this._suspendOrPowerOffItem)
return;
if (!this._haveShutdown && !this._haveSuspend)
this._suspendOrPowerOffItem.actor.hide();
else
this._suspendOrPowerOffItem.actor.show();
this._updateSessionSeparator();
// If we can't suspend show Power Off... instead
// and disable the alt key
if (!this._haveSuspend) {
this._suspendOrPowerOffItem.updateText(_("Power Off..."), null);
} else if (!this._haveShutdown) {
this._suspendOrPowerOffItem.updateText(_("Suspend"), null);
} else {
this._suspendOrPowerOffItem.updateText(_("Suspend"), _("Power Off..."));
}
},
_updatePresenceIcon: function(presence, status) {
if (status == GnomeSession.PresenceStatus.AVAILABLE)
this._iconBox.child = this._availableIcon;
else if (status == GnomeSession.PresenceStatus.BUSY)
this._iconBox.child = this._busyIcon;
else if (status == GnomeSession.PresenceStatus.INVISIBLE)
this._iconBox.child = this._invisibleIcon;
else
this._iconBox.child = this._idleIcon;
for (let itemStatus in this._presenceItems)
this._presenceItems[itemStatus].setShowDot(itemStatus == status);
},
_createSubMenu: function() {
let item;
item = new PopupMenu.PopupImageMenuItem(_("Available"), 'user-available');
item.connect('activate', Lang.bind(this, this._setPresenceStatus, GnomeSession.PresenceStatus.AVAILABLE));
this.menu.addMenuItem(item);
this._presenceItems[GnomeSession.PresenceStatus.AVAILABLE] = item;
item = new PopupMenu.PopupImageMenuItem(_("Busy"), 'user-busy');
item.connect('activate', Lang.bind(this, this._setPresenceStatus, GnomeSession.PresenceStatus.BUSY));
this.menu.addMenuItem(item);
this._presenceItems[GnomeSession.PresenceStatus.BUSY] = item;
item = new PopupMenu.PopupSeparatorMenuItem();
this.menu.addMenuItem(item);
item = new PopupMenu.PopupMenuItem(_("My Account"));
item.connect('activate', Lang.bind(this, this._onMyAccountActivate));
this.menu.addMenuItem(item);
item = new PopupMenu.PopupMenuItem(_("System Settings"));
item.connect('activate', Lang.bind(this, this._onPreferencesActivate));
this.menu.addMenuItem(item);
item = new PopupMenu.PopupSeparatorMenuItem();
this.menu.addMenuItem(item);
this._settingsSeparator = item;
item = new PopupMenu.PopupMenuItem(_("Lock Screen"));
item.connect('activate', Lang.bind(this, this._onLockScreenActivate));
this.menu.addMenuItem(item);
this._lockScreenItem = item;
item = new PopupMenu.PopupMenuItem(_("Switch User"));
item.connect('activate', Lang.bind(this, this._onLoginScreenActivate));
this.menu.addMenuItem(item);
this._loginScreenItem = item;
item = new PopupMenu.PopupMenuItem(_("Log Out..."));
item.connect('activate', Lang.bind(this, this._onQuitSessionActivate));
this.menu.addMenuItem(item);
this._logoutItem = item;
item = new PopupMenu.PopupSeparatorMenuItem();
this.menu.addMenuItem(item);
this._sessionSeparator = item;
item = new PopupMenu.PopupAlternatingMenuItem(_("Suspend"),
_("Power Off..."));
this.menu.addMenuItem(item);
this._suspendOrPowerOffItem = item;
item.connect('activate', Lang.bind(this, this._onSuspendOrPowerOffActivate));
this._updateSuspendOrPowerOff();
},
_setPresenceStatus: function(item, event, status) {
this._presence.setStatus(status);
this._setIMStatus(status);
},
_onMyAccountActivate: function() {
Main.overview.hide();
let app = Shell.AppSystem.get_default().get_app('gnome-user-accounts-panel.desktop');
app.activate(-1);
},
_onPreferencesActivate: function() {
Main.overview.hide();
let app = Shell.AppSystem.get_default().get_app('gnome-control-center.desktop');
app.activate(-1);
},
_onLockScreenActivate: function() {
Main.overview.hide();
this._screenSaverProxy.LockRemote();
},
_onLoginScreenActivate: function() {
Main.overview.hide();
// Ensure we only move to GDM after the screensaver has activated; in some
// OS configurations, the X server may block event processing on VT switch
this._screenSaverProxy.setActiveRemote(true, Lang.bind(this, function() {
this._gdm.goto_login_session();
}));
},
_onQuitSessionActivate: function() {
Main.overview.hide();
this._session.LogoutRemote(0);
},
_onSuspendOrPowerOffActivate: function() {
Main.overview.hide();
if (this._haveSuspend &&
this._suspendOrPowerOffItem.state == PopupMenu.PopupAlternatingMenuItemState.DEFAULT) {
// Ensure we only suspend after the screensaver has activated
this._screenSaverProxy.SetActiveRemote(true, Lang.bind(this, function() {
this._upClient.suspend_sync(null);
}));
} else {
this._session.ShutdownRemote();
}
},
_setIMStatus: function(session_status) {
let [presence_type, presence_status, msg] = this._account_mgr.get_most_available_presence();
let type, status;
// We change the IM presence only if there are connected accounts
if (presence_type == Tp.ConnectionPresenceType.UNSET ||
presence_type == Tp.ConnectionPresenceType.OFFLINE ||
presence_type == Tp.ConnectionPresenceType.UNKNOWN ||
presence_type == Tp.ConnectionPresenceType.ERROR)
return;
if (session_status == GnomeSession.PresenceStatus.AVAILABLE) {
type = Tp.ConnectionPresenceType.AVAILABLE;
status = "available";
}
else if (session_status == GnomeSession.PresenceStatus.BUSY) {
type = Tp.ConnectionPresenceType.BUSY;
status = "busy";
}
else {
return;
}
this._account_mgr.set_all_requested_presences(type, status, msg);
}
};