remoting/webapp/app_remoting/js/context_menu_chrome.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  * remoting.ContextMenuAdapter implementation backed by chrome.contextMenus.
   8  */
   9
  10 'use strict';
  11
  12 /** @suppress {duplicate} */
  13 var remoting = remoting || {};
  14
  15 /**
  16  * @constructor
  17  * @implements {remoting.ContextMenuAdapter}
  18  */
  19 remoting.ContextMenuChrome = function() {
  20 };
  21
  22 /**
  23  * @param {string} id An identifier for the menu entry.
  24  * @param {string} title The text to display in the menu.
  25  * @param {boolean} isCheckable True if the state of this menu entry should
  26  *     have a check-box and manage its toggle state automatically.
  27  * @param {string=} opt_parentId The id of the parent menu item for submenus.
  28  */
  29 remoting.ContextMenuChrome.prototype.create = function(
  30     id, title, isCheckable, opt_parentId) {
  31   if (!opt_parentId) {
  32     var message = {
  33       method: 'addContextMenuId',
  34       id: id
  35     };
  36     chrome.runtime.getBackgroundPage(this.postMessage_.bind(this, message));
  37   }
  38   var params = {
  39     id: id,
  40     contexts: ['launcher'],
  41     title: title,
  42     parentId: opt_parentId
  43   };
  44   if (isCheckable) {
  45     params.type = 'checkbox';
  46   }
  47   chrome.contextMenus.create(params);
  48 };
  49
  50 /**
  51  * @param {string} id
  52  * @param {string} title
  53  */
  54 remoting.ContextMenuChrome.prototype.updateTitle = function(id, title) {
  55   chrome.contextMenus.update(id, {title: title});
  56 };
  57
  58 /**
  59  * @param {string} id
  60  * @param {boolean} checked
  61  */
  62 remoting.ContextMenuChrome.prototype.updateCheckState = function(id, checked) {
  63   chrome.contextMenus.update(id, {checked: checked});
  64 };
  65
  66 /**
  67  * @param {string} id
  68  */
  69 remoting.ContextMenuChrome.prototype.remove = function(id) {
  70   chrome.contextMenus.remove(id);
  71   var message = {
  72     method: 'removeContextMenuId',
  73     id: id
  74   };
  75   chrome.runtime.getBackgroundPage(this.postMessage_.bind(this, message));
  76 };
  77
  78 /**
  79  * @param {function(OnClickData):void} listener
  80  */
  81 remoting.ContextMenuChrome.prototype.addListener = function(listener) {
  82   chrome.contextMenus.onClicked.addListener(listener);
  83 };
  84
  85 /**
  86  * @param {*} message
  87  * @param {Window} backgroundPage
  88  */
  89 remoting.ContextMenuChrome.prototype.postMessage_ = function(
  90     message, backgroundPage) {
  91   backgroundPage.postMessage(message, '*');
  92 };