remoting/webapp/app_remoting/js/window_activation_menu.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /**
   6  * @fileoverview
   7  * Class to update the application's context menu to include host-side windows
   8  * and to notify the host when one of these menu items is selected.
   9  */
  10
  11 'use strict';
  12
  13 /** @suppress {duplicate} */
  14 var remoting = remoting || {};
  15
  16 /**
  17  * @param {remoting.ContextMenuAdapter} adapter
  18  * @constructor
  19  */
  20 remoting.WindowActivationMenu = function(adapter) {
  21   /**
  22    * @type {remoting.SubmenuManager}
  23    * @private
  24    */
  25   this.submenuManager_ = new remoting.SubmenuManager(
  26       adapter,
  27       chrome.i18n.getMessage(/*i18n-content*/'WINDOWS_SUBMENU_TITLE'),
  28       false);
  29
  30   adapter.addListener(this.onContextMenu_.bind(this));
  31 };
  32
  33 /**
  34  * Add a window to the application's context menu, or update the title of an
  35  * existing window.
  36  *
  37  * @param {number} id The window id.
  38  * @param {string} title The window title.
  39  */
  40 remoting.WindowActivationMenu.prototype.add = function(id, title) {
  41   this.submenuManager_.add(this.makeMenuId_(id), title);
  42   // TODO(jamiewalch): Once crbug.com/426283 is fixed, call drawAttention()
  43   // here if the window does not have focus.
  44 };
  45
  46 /**
  47  * Remove a window from the application's context menu.
  48  *
  49  * @param {number} id The window id.
  50  */
  51 remoting.WindowActivationMenu.prototype.remove = function(id) {
  52   this.submenuManager_.remove(this.makeMenuId_(id));
  53 };
  54
  55 /**
  56  * Create a menu id from the given window id.
  57  *
  58  * @param {number} windowId
  59  * @return {string}
  60  * @private
  61  */
  62 remoting.WindowActivationMenu.prototype.makeMenuId_ = function(windowId) {
  63   return 'window-' + windowId;
  64 };
  65
  66 /**
  67  * Handle a click on the application's context menu.
  68  *
  69  * @param {OnClickData=} info
  70  * @private
  71  */
  72 remoting.WindowActivationMenu.prototype.onContextMenu_ = function(info) {
  73   /** @type {Array<string>} */
  74   var components = info.menuItemId.split('-');
  75   if (components.length == 2 &&
  76       this.makeMenuId_(parseInt(components[1], 10)) == info.menuItemId) {
  77     remoting.clientSession.sendClientMessage(
  78         'activateWindow',
  79         JSON.stringify({ id: parseInt(components[1], 0) }));
  80     if (chrome.app.window.current().isMinimized()) {
  81       chrome.app.window.current().restore();
  82     }
  83   }
  84 };