130 lines
4.3 KiB
JavaScript
130 lines
4.3 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/*
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* Copyright 2011 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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const Gio = imports.gi.Gio;
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const Lang = imports.lang;
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const LoginManager = imports.misc.loginManager;
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const GdmUtil = imports.gdm.util;
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const PanelMenu = imports.ui.panelMenu;
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const PopupMenu = imports.ui.popupMenu;
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const PowerMenuButton = new Lang.Class({
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Name: 'PowerMenuButton',
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Extends: PanelMenu.SystemStatusButton,
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_init: function() {
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/* Translators: accessible name of the power menu in the login screen */
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this.parent('system-shutdown-symbolic', _("Power"));
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this._loginManager = LoginManager.getLoginManager();
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this._settings = new Gio.Settings({ schema: GdmUtil.LOGIN_SCREEN_SCHEMA });
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this._settings.connect('changed::disable-restart-buttons',
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Lang.bind(this, this._updateVisibility));
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this._createSubMenu();
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// ConsoleKit doesn't send notifications when shutdown/reboot
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// are disabled, so we update the menu item each time the menu opens
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this.menu.connect('open-state-changed', Lang.bind(this,
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function(menu, open) {
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if (open) {
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this._updateHaveShutdown();
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this._updateHaveRestart();
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this._updateHaveSuspend();
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}
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}));
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this._updateHaveShutdown();
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this._updateHaveRestart();
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this._updateHaveSuspend();
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},
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_updateVisibility: function() {
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let shouldBeVisible = (this._haveSuspend || this._haveShutdown || this._haveRestart);
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this.actor.visible = shouldBeVisible && !this._settings.get_boolean('disable-restart-buttons');
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},
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_updateHaveShutdown: function() {
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this._loginManager.canPowerOff(Lang.bind(this, function(result) {
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this._haveShutdown = result;
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this._powerOffItem.actor.visible = this._haveShutdown;
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this._updateVisibility();
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}));
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},
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_updateHaveRestart: function() {
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this._loginManager.canReboot(Lang.bind(this, function(result) {
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this._haveRestart = result;
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this._restartItem.actor.visible = this._haveRestart;
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this._updateVisibility();
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}));
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},
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_updateHaveSuspend: function() {
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this._loginManager.canSuspend(Lang.bind(this, function(result) {
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this._haveSuspend = result;
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this._suspendItem.actor.visible = this._haveSuspend;
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this._updateVisibility();
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}));
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},
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_createSubMenu: function() {
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let item;
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item = new PopupMenu.PopupMenuItem(_("Suspend"));
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item.connect('activate', Lang.bind(this, this._onActivateSuspend));
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this.menu.addMenuItem(item);
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this._suspendItem = item;
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item = new PopupMenu.PopupMenuItem(_("Restart"));
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item.connect('activate', Lang.bind(this, this._onActivateRestart));
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this.menu.addMenuItem(item);
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this._restartItem = item;
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item = new PopupMenu.PopupMenuItem(_("Power Off"));
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item.connect('activate', Lang.bind(this, this._onActivatePowerOff));
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this.menu.addMenuItem(item);
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this._powerOffItem = item;
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},
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_onActivateSuspend: function() {
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if (!this._haveSuspend)
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return;
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this._loginManager.suspend();
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},
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_onActivateRestart: function() {
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if (!this._haveRestart)
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return;
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this._loginManager.reboot();
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},
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_onActivatePowerOff: function() {
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if (!this._haveShutdown)
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return;
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this._loginManager.powerOff();
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}
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});
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