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 remoting.ContextMenuChrome.prototype.dispose = function() {
  22   chrome.contextMenus.removeAll();
  23 };
  24
  25 /**
  26  * @param {string} id An identifier for the menu entry.
  27  * @param {string} title The text to display in the menu.
  28  * @param {boolean} isCheckable True if the state of this menu entry should
  29  *     have a check-box and manage its toggle state automatically.
  30  * @param {string=} opt_parentId The id of the parent menu item for submenus.
  31  */
  32 remoting.ContextMenuChrome.prototype.create = function(
  33     id, title, isCheckable, opt_parentId) {
  34   if (!opt_parentId) {
  35     var message = {
  36       method: 'addContextMenuId',
  37       id: id
  38     };
  39     chrome.runtime.getBackgroundPage(this.postMessage_.bind(this, message));
  40   }
  41   var params = {
  42     id: id,
  43     contexts: ['launcher'],
  44     title: title,
  45     parentId: opt_parentId
  46   };
  47   if (isCheckable) {
  48     params.type = 'checkbox';
  49   }
  50   chrome.contextMenus.create(params);
  51 };
  52
  53 /**
  54  * @param {string} id
  55  * @param {string} title
  56  */
  57 remoting.ContextMenuChrome.prototype.updateTitle = function(id, title) {
  58   chrome.contextMenus.update(id, {title: title});
  59 };
  60
  61 /**
  62  * @param {string} id
  63  * @param {boolean} checked
  64  */
  65 remoting.ContextMenuChrome.prototype.updateCheckState = function(id, checked) {
  66   chrome.contextMenus.update(id, {checked: checked});
  67 };
  68
  69 /**
  70  * @param {string} id
  71  */
  72 remoting.ContextMenuChrome.prototype.remove = function(id) {
  73   chrome.contextMenus.remove(id);
  74   var message = {
  75     method: 'removeContextMenuId',
  76     id: id
  77   };
  78   chrome.runtime.getBackgroundPage(this.postMessage_.bind(this, message));
  79 };
  80
  81 /**
  82  * @param {function(OnClickData):void} listener
  83  */
  84 remoting.ContextMenuChrome.prototype.addListener = function(listener) {
  85   chrome.contextMenus.onClicked.addListener(
  86       /** @type {function(Object, Tab=)} */ (listener));
  87 };
  88
  89 /**
  90  * @param {*} message
  91  * @param {Window=} backgroundPage
  92  */
  93 remoting.ContextMenuChrome.prototype.postMessage_ = function(
  94     message, backgroundPage) {
  95   backgroundPage.postMessage(message, '*');
  96 };