chrome/renderer/resources/extensions/chrome_web_view.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 // This module implements chrome-specific <webview> API.
   6
   7 var ChromeWebView = require('chromeWebViewInternal').ChromeWebView;
   8 var CreateEvent = require('webViewEvents').CreateEvent;
   9 var EventBindings = require('event_bindings');
  10 var WebViewImpl = require('webView').WebViewImpl;
  11
  12 var CHROME_WEB_VIEW_EVENTS = {
  13   'contextmenu': {
  14     evt: CreateEvent('chromeWebViewInternal.contextmenu'),
  15     cancelable: true,
  16     customHandler: function(handler, event, webViewEvent) {
  17       handler.webViewImpl.maybeHandleContextMenu(event, webViewEvent);
  18     },
  19     fields: ['items']
  20   }
  21 };
  22
  23 /**
  24  * Implemented when the ChromeWebView API is available.
  25  * @private
  26  */
  27 WebViewImpl.prototype.maybeGetChromeWebViewEvents = function() {
  28   return CHROME_WEB_VIEW_EVENTS;
  29 };
  30
  31 /**
  32  * Calls to show contextmenu right away instead of dispatching a 'contextmenu'
  33  * event.
  34  * This will be overridden in chrome_web_view_experimental.js to implement
  35  * contextmenu  API.
  36  */
  37 WebViewImpl.prototype.maybeHandleContextMenu = function(e, webViewEvent) {
  38   var requestId = e.requestId;
  39   // Setting |params| = undefined will show the context menu unmodified, hence
  40   // the 'contextmenu' API is disabled for stable channel.
  41   var params = undefined;
  42   ChromeWebView.showContextMenu(this.guestInstanceId, requestId, params);
  43 };