Propagate connection state from networking layer to UI.

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 18 matching lines @@
 
   /** @param {string} iq The Iq stanza received from the host. */
   this.onOutgoingIqHandler = function (iq) {};
   /** @param {string} message Log message. */
   this.onDebugMessageHandler = function (message) {};
   /**
    * @param {number} state The connection state.
    * @param {number} error The error code, if any.
    */
   this.onConnectionStatusUpdateHandler = function(state, error) {};
+  /** @param {boolean} inactive Connection inactivity state. */
+  this.onConnectionInactiveHandler = function(inactive) {};
   this.onDesktopSizeUpdateHandler = function () {};

[Wez, 2012/07/16 18:51:23]

nit: Add a comment for the desktop size update handler, for consistency.

[Sergey Ulanov, 2012/07/17 01:17:18]

onDesktopSizeUpdateHandler() doesn't have any parameters, and we need the
comments for other event handler just to declare types for JS compiler. There
are comments for this callback in client_plugin.js.

 
   /** @type {number} */
   this.pluginApiVersion_ = -1;
   /** @type {Array.<string>} */
   this.pluginApiFeatures_ = [];
   /** @type {number} */
   this.pluginApiMinVersion_ = -1;
   /** @type {boolean} */
   this.helloReceived_ = false;
   /** @type {function(boolean)|null} */
@@ skipping 133 matching lines @@
       return;
     }
     if (remoting.clipboard) {
       remoting.clipboard.fromHost(message.data['mimeType'],
                                   message.data['item']);
     }
   } else if (message.method == 'onFirstFrameReceived') {
     if (remoting.clientSession) {
       remoting.clientSession.onFirstFrameReceived();
     }
+  } else if (message.method == 'onConnectionInactive') {
+    if (typeof message.data['inactive'] != 'boolean') {
+      console.error('Received incorrect onConnectionInactive message.');
+      return;
+    }
+    this.onConnectionInactiveHandler(message.data['inactive']);
   }
 }
 
 /**
  * Deletes the plugin.
  */
 remoting.ClientPluginAsync.prototype.cleanup = function() {
   this.plugin.parentNode.removeChild(this.plugin);
 };
 
@@ skipping 193 matching lines @@
     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';
   }
 };