gnome-shell/js/ui/userMenu.js
Giovanni Campagna 9eb671bb08 screensaver, gnomesession: port to GDBus based bindings
Port org.gnome.ScreenSaver and org.gnome.SessionManager glue code
to use GDBus, and move /org/gnome/Shell/EndSessionDialog to the
GDBus connection, so it is backed by the org.gnome.Shell name.

https://bugzilla.gnome.org/show_bug.cgi?id=648651
2011-11-15 08:54:39 -05:00

746 lines
28 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const AccountsService = imports.gi.AccountsService;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Pango = imports.gi.Pango;
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';
const DIALOG_ICON_SIZE = 64;
const IMStatus = {
AVAILABLE: 0,
BUSY: 1,
HIDDEN: 2,
AWAY: 3,
IDLE: 4,
OFFLINE: 5,
LAST: 6
};
// 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 IMStatusItem(label, iconName) {
this._init(label, iconName);
}
IMStatusItem.prototype = {
__proto__: PopupMenu.PopupBaseMenuItem.prototype,
_init: function(label, iconName) {
PopupMenu.PopupBaseMenuItem.prototype._init.call(this);
this.actor.add_style_class_name('status-chooser-status-item');
this._icon = new St.Icon({ style_class: 'popup-menu-icon' });
this.addActor(this._icon);
if (iconName)
this._icon.icon_name = iconName;
this.label = new St.Label({ text: label });
this.addActor(this.label);
}
};
function IMUserNameItem() {
this._init();
}
IMUserNameItem.prototype = {
__proto__: PopupMenu.PopupBaseMenuItem.prototype,
_init: function() {
PopupMenu.PopupBaseMenuItem.prototype._init.call(this,
{ reactive: false,
style_class: 'status-chooser-user-name' });
this._wrapper = new Shell.GenericContainer();
this._wrapper.connect('get-preferred-width',
Lang.bind(this, this._wrapperGetPreferredWidth));
this._wrapper.connect('get-preferred-height',
Lang.bind(this, this._wrapperGetPreferredHeight));
this._wrapper.connect('allocate',
Lang.bind(this, this._wrapperAllocate));
this.addActor(this._wrapper, { expand: true, span: -1 });
this.label = new St.Label();
this.label.clutter_text.set_line_wrap(true);
this.label.clutter_text.set_ellipsize(Pango.EllipsizeMode.NONE);
this._wrapper.add_actor(this.label);
},
_wrapperGetPreferredWidth: function(actor, forHeight, alloc) {
alloc.min_size = 1;
alloc.natural_size = 1;
},
_wrapperGetPreferredHeight: function(actor, forWidth, alloc) {
[alloc.min_size, alloc.natural_size] = this.label.get_preferred_height(forWidth);
},
_wrapperAllocate: function(actor, box, flags) {
this.label.allocate(box, flags);
}
};
function IMStatusChooserItem() {
this._init();
}
IMStatusChooserItem.prototype = {
__proto__: PopupMenu.PopupBaseMenuItem.prototype,
_init: function() {
PopupMenu.PopupBaseMenuItem.prototype._init.call (this,
{ reactive: false,
style_class: 'status-chooser' });
this._iconBin = new St.Button({ style_class: 'status-chooser-user-icon' });
this.addActor(this._iconBin);
this._iconBin.connect('clicked', Lang.bind(this,
function() {
this.activate();
}));
this._section = new PopupMenu.PopupMenuSection();
this.addActor(this._section.actor);
this._name = new IMUserNameItem();
this._section.addMenuItem(this._name);
this._combo = new PopupMenu.PopupComboBoxMenuItem({ style_class: 'status-chooser-combo' });
this._section.addMenuItem(this._combo);
let item;
item = new IMStatusItem(_("Available"), 'user-available');
this._combo.addMenuItem(item, IMStatus.AVAILABLE);
item = new IMStatusItem(_("Busy"), 'user-busy');
this._combo.addMenuItem(item, IMStatus.BUSY);
item = new IMStatusItem(_("Hidden"), 'user-invisible');
this._combo.addMenuItem(item, IMStatus.HIDDEN);
item = new IMStatusItem(_("Away"), 'user-away');
this._combo.addMenuItem(item, IMStatus.AWAY);
item = new IMStatusItem(_("Idle"), 'user-idle');
this._combo.addMenuItem(item, IMStatus.IDLE);
item = new IMStatusItem(_("Unavailable"), 'user-offline');
this._combo.addMenuItem(item, IMStatus.OFFLINE);
this._combo.connect('active-item-changed',
Lang.bind(this, this._changeIMStatus));
this._presence = new GnomeSession.Presence();
this._presence.connectSignal('StatusChanged', Lang.bind(this, function(proxy, senderName, [status]) {
this._sessionStatusChanged(status);
}));
this._sessionPresenceRestored = false;
this._imPresenceRestored = false;
this._currentPresence = undefined;
this._accountMgr = Tp.AccountManager.dup();
this._accountMgr.connect('most-available-presence-changed',
Lang.bind(this, this._IMStatusChanged));
this._accountMgr.connect('account-enabled',
Lang.bind(this, this._IMAccountsChanged));
this._accountMgr.connect('account-disabled',
Lang.bind(this, this._IMAccountsChanged));
this._accountMgr.connect('account-removed',
Lang.bind(this, this._IMAccountsChanged));
this._accountMgr.prepare_async(null, Lang.bind(this,
function(mgr) {
let [presence, status, msg] = mgr.get_most_available_presence();
let savedPresence = global.settings.get_int('saved-im-presence');
this._IMAccountsChanged(mgr);
if (savedPresence == presence) {
this._IMStatusChanged(mgr, presence, status, msg);
} else {
this._setComboboxPresence(savedPresence);
status = this._statusForPresence(savedPresence);
msg = msg ? msg : '';
mgr.set_all_requested_presences(savedPresence, status, msg);
}
}));
this._userManager = AccountsService.UserManager.get_default();
this._user = this._userManager.get_user(GLib.get_user_name());
this._userLoadedId = this._user.connect('notify::is-loaded',
Lang.bind(this,
this._updateUser));
this._userChangedId = this._user.connect('changed',
Lang.bind(this,
this._updateUser));
this.actor.connect('notify::mapped', Lang.bind(this, function() {
if (this.actor.mapped)
this._updateUser();
}));
},
destroy: function() {
// clean up signal handlers
if (this._userLoadedId != 0) {
this._user.disconnect(this._userLoadedId);
this._userLoadedId = 0;
}
if (this._userChangedId != 0) {
this._user.disconnect(this._userChangedId);
this._userChangedId = 0;
}
PopupMenu.PopupBaseMenuItem.prototype.destroy.call(this);
},
// Override getColumnWidths()/setColumnWidths() to make the item
// independent from the overall column layout of the menu
getColumnWidths: function() {
return [];
},
setColumnWidths: function(widths) {
},
_updateUser: function() {
let iconFile = null;
if (this._user.is_loaded) {
this._name.label.set_text(this._user.get_real_name());
iconFile = this._user.get_icon_file();
if (!GLib.file_test(iconFile, GLib.FileTest.EXISTS))
iconFile = null;
} else {
this._name.label.set_text("");
}
if (iconFile)
this._setIconFromFile(iconFile);
else
this._setIconFromName('avatar-default');
},
_setIconFromFile: function(iconFile) {
this._iconBin.set_style('background-image: url("' + iconFile + '");');
this._iconBin.child = null;
},
_setIconFromName: function(iconName) {
this._iconBin.set_style(null);
if (iconName != null) {
let textureCache = St.TextureCache.get_default();
let icon = textureCache.load_icon_name(this._iconBin.get_theme_node(),
iconName,
St.IconType.SYMBOLIC,
DIALOG_ICON_SIZE);
this._iconBin.child = icon;
this._iconBin.show();
} else {
this._iconBin.child = null;
this._iconBin.hide();
}
},
_statusForPresence: function(presence) {
switch(presence) {
case Tp.ConnectionPresenceType.AVAILABLE:
return 'available';
case Tp.ConnectionPresenceType.BUSY:
return 'busy';
case Tp.ConnectionPresenceType.OFFLINE:
return 'offline';
case Tp.ConnectionPresenceType.HIDDEN:
return 'hidden';
case Tp.ConnectionPresenceType.AWAY:
return 'away';
case Tp.ConnectionPresenceType.EXTENDED_AWAY:
return 'xa';
default:
return 'unknown';
}
},
_IMAccountsChanged: function(mgr) {
let accounts = mgr.get_valid_accounts().filter(function(account) {
return account.enabled;
});
this._combo.setSensitive(accounts.length > 0);
},
_IMStatusChanged: function(accountMgr, presence, status, message) {
if (!this._imPresenceRestored)
this._imPresenceRestored = true;
if (presence == this._currentPresence)
return;
this._currentPresence = presence;
this._setComboboxPresence(presence);
if (!this._sessionPresenceRestored) {
this._presence.connectSignal('StatusChanged', Lang.bind(this, function (proxy, senderName, [status]) {
this._sessionStatusChanged(status);
}));
return;
}
if (presence == Tp.ConnectionPresenceType.AVAILABLE)
this._presence.status = GnomeSession.PresenceStatus.AVAILABLE;
// We ignore the actual value of _expectedPresence and never safe
// the first presence change after an "automatic" change, assuming
// that it is the response to our request; this is to account for
// mission control falling back to "similar" presences if an account
// type does not implement the requested presence.
if (!this._expectedPresence)
global.settings.set_int('saved-im-presence', presence);
else
this._expectedPresence = undefined;
},
_setComboboxPresence: function(presence) {
let activatedItem;
if (presence == Tp.ConnectionPresenceType.AVAILABLE)
activatedItem = IMStatus.AVAILABLE;
else if (presence == Tp.ConnectionPresenceType.BUSY)
activatedItem = IMStatus.BUSY;
else if (presence == Tp.ConnectionPresenceType.HIDDEN)
activatedItem = IMStatus.HIDDEN;
else if (presence == Tp.ConnectionPresenceType.AWAY)
activatedItem = IMStatus.AWAY;
else if (presence == Tp.ConnectionPresenceType.EXTENDED_AWAY)
activatedItem = IMStatus.IDLE;
else
activatedItem = IMStatus.OFFLINE;
this._combo.setActiveItem(activatedItem);
for (let i = 0; i < IMStatus.LAST; i++) {
if (i == IMStatus.AVAILABLE || i == IMStatus.OFFLINE)
continue; // always visible
this._combo.setItemVisible(i, i == activatedItem);
}
},
_changeIMStatus: function(menuItem, id) {
let [presence, s, msg] = this._accountMgr.get_most_available_presence();
let newPresence, status;
if (id == IMStatus.AVAILABLE) {
newPresence = Tp.ConnectionPresenceType.AVAILABLE;
} else if (id == IMStatus.OFFLINE) {
newPresence = Tp.ConnectionPresenceType.OFFLINE;
} else
return;
status = this._statusForPresence(newPresence);
msg = msg ? msg : '';
this._accountMgr.set_all_requested_presences(newPresence, status, msg);
},
getIMPresenceForSessionStatus: function(sessionStatus) {
// Restore the last user-set presence when coming back from
// BUSY/IDLE (otherwise the last user-set presence matches
// the current one)
if (sessionStatus == GnomeSession.PresenceStatus.AVAILABLE)
return global.settings.get_int('saved-im-presence');
if (sessionStatus == GnomeSession.PresenceStatus.BUSY) {
// Only change presence if the current one is "more present" than
// busy, or if coming back from idle
if (this._currentPresence == Tp.ConnectionPresenceType.AVAILABLE ||
this._currentPresence == Tp.ConnectionPresenceType.EXTENDED_AWAY)
return Tp.ConnectionPresenceType.BUSY;
}
if (sessionStatus == GnomeSession.PresenceStatus.IDLE) {
// Only change presence if the current one is "more present" than
// idle
if (this._currentPresence != Tp.ConnectionPresenceType.OFFLINE)
return Tp.ConnectionPresenceType.EXTENDED_AWAY;
}
return this._currentPresence;
},
_sessionStatusChanged: function(sessionStatus) {
if (!this._imPresenceRestored)
return;
if (!this._sessionPresenceRestored) {
let savedStatus = global.settings.get_int('saved-session-presence');
if (sessionStatus != savedStatus) {
this._presence.status = savedStatus;
return;
}
this._sessionPresenceRestored = true;
}
global.settings.set_int('saved-session-presence', sessionStatus);
let [presence, s, msg] = this._accountMgr.get_most_available_presence();
let newPresence, status;
let newPresence = this.getIMPresenceForSessionStatus(sessionStatus);
if (!newPresence || newPresence == presence)
return;
status = this._statusForPresence(newPresence);
msg = msg ? msg : '';
this._expectedPresence = newPresence;
this._accountMgr.set_all_requested_presences(newPresence, status, msg);
}
};
function UserMenuButton() {
this._init();
}
UserMenuButton.prototype = {
__proto__: PanelMenu.Button.prototype,
_init: function() {
PanelMenu.Button.prototype._init.call(this, 0.0);
let box = new St.BoxLayout({ name: 'panelUserMenu' });
this.actor.add_actor(box);
this._lockdownSettings = new Gio.Settings({ schema: LOCKDOWN_SCHEMA });
this._userManager = AccountsService.UserManager.get_default();
this._user = this._userManager.get_user(GLib.get_user_name());
this._presence = new GnomeSession.Presence();
this._session = new GnomeSession.SessionManager();
this._haveShutdown = true;
this._accountMgr = 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._offlineIcon = new St.Icon({ icon_name: 'user-offline',
style_class: 'popup-menu-icon' });
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._awayIcon = new St.Icon({ icon_name: 'user-away',
style_class: 'popup-menu-icon' });
this._idleIcon = new St.Icon({ icon_name: 'user-idle',
style_class: 'popup-menu-icon' });
this._presence.connectSignal('StatusChanged', Lang.bind(this, function (proxy, senderName, [status]) {
this._updateSwitch(status);
}));
this._accountMgr.connect('most-available-presence-changed',
Lang.bind(this, this._updatePresenceIcon));
this._accountMgr.prepare_async(null, Lang.bind(this,
function(mgr) {
let [presence, s, msg] = mgr.get_most_available_presence();
this._updatePresenceIcon(mgr, presence, s, msg);
}));
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._updateUserName();
this._createSubMenu();
this._updateSwitch(this._presence.status);
this._presence.connectSignal('StatusChanged', Lang.bind(this, function (proxy, senderName, [status]) {
this._updateSwitch(status);
}));
this._userManager.connect('notify::is-loaded',
Lang.bind(this, this._updateSwitchUser));
this._userManager.connect('notify::has-multiple-users',
Lang.bind(this, this._updateSwitchUser));
this._userManager.connect('user-added',
Lang.bind(this, this._updateSwitchUser));
this._userManager.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("");
},
_updateSwitchUser: function() {
let allowSwitch = !this._lockdownSettings.get_boolean(DISABLE_USER_SWITCH_KEY);
if (allowSwitch &&
this._userManager.can_switch() &&
this._userManager.has_multiple_users)
this._loginScreenItem.actor.show();
else
this._loginScreenItem.actor.hide();
},
_updateLogout: function() {
let allowLogout = !this._lockdownSettings.get_boolean(DISABLE_LOG_OUT_KEY);
if (allowLogout)
this._logoutItem.actor.show();
else
this._logoutItem.actor.hide();
},
_updateLockScreen: function() {
let allowLockScreen = !this._lockdownSettings.get_boolean(DISABLE_LOCK_SCREEN_KEY);
if (allowLockScreen)
this._lockScreenItem.actor.show();
else
this._lockScreenItem.actor.hide();
},
_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();
// 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..."));
}
},
_updateSwitch: function(status) {
let active = status == GnomeSession.PresenceStatus.AVAILABLE;
this._notificationsSwitch.setToggleState(active);
},
_updatePresenceIcon: function(accountMgr, presence, status, message) {
if (presence == Tp.ConnectionPresenceType.AVAILABLE)
this._iconBox.child = this._availableIcon;
else if (presence == Tp.ConnectionPresenceType.BUSY)
this._iconBox.child = this._busyIcon;
else if (presence == Tp.ConnectionPresenceType.HIDDEN)
this._iconBox.child = this._invisibleIcon;
else if (presence == Tp.ConnectionPresenceType.AWAY)
this._iconBox.child = this._awayIcon;
else if (presence == Tp.ConnectionPresenceType.EXTENDED_AWAY)
this._iconBox.child = this._idleIcon;
else
this._iconBox.child = this._offlineIcon;
},
_createSubMenu: function() {
let item;
item = new IMStatusChooserItem();
item.connect('activate', Lang.bind(this, this._onMyAccountActivate));
this.menu.addMenuItem(item);
this._statusChooser = item;
item = new PopupMenu.PopupSwitchMenuItem(_("Notifications"));
item.connect('activate', Lang.bind(this, this._updatePresenceStatus));
this.menu.addMenuItem(item);
this._notificationsSwitch = item;
item = new PopupMenu.PopupSeparatorMenuItem();
this.menu.addMenuItem(item);
item = new PopupMenu.PopupMenuItem(_("Online Accounts"));
item.connect('activate', Lang.bind(this, this._onOnlineAccountsActivate));
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);
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);
item = new PopupMenu.PopupAlternatingMenuItem(_("Suspend"),
_("Power Off..."));
this.menu.addMenuItem(item);
this._suspendOrPowerOffItem = item;
item.connect('activate', Lang.bind(this, this._onSuspendOrPowerOffActivate));
this._updateSuspendOrPowerOff();
},
_updatePresenceStatus: function(item, event) {
let status;
if (item.state) {
status = GnomeSession.PresenceStatus.AVAILABLE;
} else {
status = GnomeSession.PresenceStatus.BUSY;
let [presence, s, msg] = this._accountMgr.get_most_available_presence();
let newPresence = this._statusChooser.getIMPresenceForSessionStatus(status);
if (newPresence != presence &&
newPresence == Tp.ConnectionPresenceType.BUSY)
Main.notify(_("Your chat status will be set to busy"),
_("Notifications are now disabled, including chat messages. Your online status has been adjusted to let others know that you might not see their messages."));
}
this._presence.status = status;
},
_onMyAccountActivate: function() {
Main.overview.hide();
let app = Shell.AppSystem.get_default().lookup_setting('gnome-user-accounts-panel.desktop');
app.activate();
},
_onOnlineAccountsActivate: function() {
Main.overview.hide();
let app = Shell.AppSystem.get_default().lookup_setting('gnome-online-accounts-panel.desktop');
app.activate(-1);
},
_onPreferencesActivate: function() {
Main.overview.hide();
let app = Shell.AppSystem.get_default().lookup_app('gnome-control-center.desktop');
app.activate();
},
_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._userManager.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();
}
}
};