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   /** @private {remoting.SubmenuManager} */
  22   this.submenuManager_ = new remoting.SubmenuManager(
  23       adapter,
  24       chrome.i18n.getMessage(/*i18n-content*/'WINDOWS_SUBMENU_TITLE'),
  25       false);
  26   /** @private {function(string, string)} */
  27   this.sendExtensionMessage_ = base.doNothing;
  28
  29   adapter.addListener(this.onContextMenu_.bind(this));
  30 };
  31
  32 /**
  33  * Add a window to the application's context menu, or update the title of an
  34  * existing window.
  35  *
  36  * @param {number} id The window id.
  37  * @param {string} title The window title.
  38  */
  39 remoting.WindowActivationMenu.prototype.add = function(id, title) {
  40   this.submenuManager_.add(this.makeMenuId_(id), title);
  41   // TODO(jamiewalch): Once crbug.com/426283 is fixed, call drawAttention()
  42   // here if the window does not have focus.
  43 };
  44
  45 /**
  46  * Remove a window from the application's context menu.
  47  *
  48  * @param {number} id The window id.
  49  */
  50 remoting.WindowActivationMenu.prototype.remove = function(id) {
  51   this.submenuManager_.remove(this.makeMenuId_(id));
  52 };
  53
  54 /**
  55  * Create a menu id from the given window id.
  56  *
  57  * @param {number} windowId
  58  * @return {string}
  59  * @private
  60  */
  61 remoting.WindowActivationMenu.prototype.makeMenuId_ = function(windowId) {
  62   return 'window-' + windowId;
  63 };
  64
  65 /** @param {function(string, string)} callback */
  66 remoting.WindowActivationMenu.prototype.setExtensionMessageSender =
  67     function(callback) {
  68   this.sendExtensionMessage_ = callback;
  69 };
  70
  71 /**
  72  * Handle a click on the application's context menu.
  73  *
  74  * @param {OnClickData=} info
  75  * @private
  76  */
  77 remoting.WindowActivationMenu.prototype.onContextMenu_ = function(info) {
  78   var menuId = info.menuItemId.toString();
  79   var components = menuId.split('-');
  80   if (components.length == 2 &&
  81       this.makeMenuId_(parseInt(components[1], 10)) == menuId) {
  82     this.sendExtensionMessage_(
  83         'activateWindow',
  84         JSON.stringify({ id: parseInt(components[1], 0) }));
  85     if (chrome.app.window.current().isMinimized()) {
  86       chrome.app.window.current().restore();
  87     }
  88   }
  89 };