Protocol plumbing for audio toggle.

remoting/webapp/client_plugin_async.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * Class that wraps low-level details of interacting with the client plugin.
  *
  * This abstracts a <embed> element and controls the plugin which does
  * the actual remoting work. It also handles differences between
@@ skipping 381 matching lines @@
  */
 remoting.ClientPluginAsync.prototype.pauseVideo =
     function(pause) {
   if (!this.hasFeature(remoting.ClientPlugin.Feature.PAUSE_VIDEO))
     return;
   this.plugin.postMessage(JSON.stringify(
       { method: 'pauseVideo', data: { pause: pause }}));
 };
 
 /**
+ * Requests that the host pause or resume sending audio updates.
+ *
+ * @param {boolean} pause True to suspend audio updates, false otherwise.
+ */
+remoting.ClientPluginAsync.prototype.pauseAudio =
+    function(pause) {
+  if (!this.hasFeature(remoting.ClientPlugin.Feature.PAUSE_AUDIO))
+    return;
+  this.plugin.postMessage(JSON.stringify(
+      { method: 'pauseAudio', data: { pause: pause }}));
+};
+
+/**
  * If we haven't yet received a "hello" message from the plugin, change its
  * size so that the user can confirm it if click-to-play is enabled, or can
  * see the "this plugin is disabled" message if it is actually disabled.
  * @private
  */
 remoting.ClientPluginAsync.prototype.showPluginForClickToPlay_ = function() {
   if (!this.helloReceived_) {
     var width = 200;
     var height = 200;
     this.plugin.width = width;
     this.plugin.height = height;
     // Center the plugin just underneath the "Connnecting..." dialog.
     var parentNode = this.plugin.parentNode;
     var dialog = document.getElementById('client-dialog');
     var dialogRect = dialog.getBoundingClientRect();
     parentNode.style.top = (dialogRect.bottom + 16) + 'px';
     parentNode.style.left = (window.innerWidth - width) / 2 + 'px';
   }
 };