[Chromoting] Create core Application interface for CRD.

remoting/webapp/crd/js/client_session.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 handling creation and teardown of a remoting client session.
  *
  * The ClientSession class controls lifetime of the client plugin
  * object and provides the plugin with the functionality it needs to
@@ skipping 625 matching lines @@
 remoting.ClientSession.prototype.disconnect = function(error) {
   var state = (error == remoting.Error.NONE) ?
                   remoting.ClientSession.State.CLOSED :
                   remoting.ClientSession.State.FAILED;
 
   // The plugin won't send a state change notification, so we explicitly log
   // the fact that the connection has closed.
   this.logToServer.logClientSessionStateChange(state, error);
   this.error_ = error;
   this.setState_(state);
+  remoting.app.onDisconnected();
 };
 
 /**
  * Deletes the <embed> element from the container and disconnects.
  *
  * @return {void} Nothing.
  */
 remoting.ClientSession.prototype.cleanup = function() {
   this.sendIq_(
       '<cli:iq ' +
@@ skipping 631 matching lines @@
   // Position the container.
   // Note that clientWidth/Height take into account scrollbars.
   var clientWidth = document.documentElement.clientWidth;
   var clientHeight = document.documentElement.clientHeight;
   var parentNode = this.plugin_.element().parentNode;
 
   console.log('plugin dimensions: ' +
               parentNode.style.left + ',' +
               parentNode.style.top + '-' +
               pluginWidth + 'x' + pluginHeight + '.');
+
+  // When we receive the first plugin dimensions from the host, we know that
+  // remote host has started.
+  remoting.app.onVideoStreamingStarted();
 };
 
 /**
  * Returns an associative array with a set of stats for this connection.
  *
  * @return {remoting.ClientSession.PerfStats} The connection statistics.
  */
 remoting.ClientSession.prototype.getPerfStats = function() {
   return this.plugin_.getPerfStats();
 };
@@ skipping 337 matching lines @@
  * @param {string} data Contents of the extension message.
  * @return {boolean} True if the message was recognized, false otherwise.
  */
 remoting.ClientSession.prototype.handleExtensionMessage =
     function(type, data) {
   if (this.videoFrameRecorder_) {
     return this.videoFrameRecorder_.handleMessage(type, data);
   }
   return false;
 }