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      1 // Copyright (c) 2012 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  * This view displays a summary of the state of each SPDY sessions, and
      7  * has links to display them in the events tab.
      8  */
      9 var SpdyView = (function() {
     10   'use strict';
     11 
     12   // We inherit from DivView.
     13   var superClass = DivView;
     14 
     15   /**
     16    * @constructor
     17    */
     18   function SpdyView() {
     19     assertFirstConstructorCall(SpdyView);
     20 
     21     // Call superclass's constructor.
     22     superClass.call(this, SpdyView.MAIN_BOX_ID);
     23 
     24     g_browser.addSpdySessionInfoObserver(this, true);
     25     g_browser.addSpdyStatusObserver(this, true);
     26     g_browser.addSpdyAlternateProtocolMappingsObserver(this, true);
     27   }
     28 
     29   SpdyView.TAB_ID = 'tab-handle-spdy';
     30   SpdyView.TAB_NAME = 'SPDY';
     31   SpdyView.TAB_HASH = '#spdy';
     32 
     33   // IDs for special HTML elements in spdy_view.html
     34   SpdyView.MAIN_BOX_ID = 'spdy-view-tab-content';
     35   SpdyView.STATUS_ID = 'spdy-view-status';
     36   SpdyView.SESSION_INFO_ID = 'spdy-view-session-info';
     37   SpdyView.ALTERNATE_PROTOCOL_MAPPINGS_ID =
     38       'spdy-view-alternate-protocol-mappings';
     39 
     40   cr.addSingletonGetter(SpdyView);
     41 
     42   SpdyView.prototype = {
     43     // Inherit the superclass's methods.
     44     __proto__: superClass.prototype,
     45 
     46     onLoadLogFinish: function(data) {
     47       return this.onSpdySessionInfoChanged(data.spdySessionInfo) &&
     48              this.onSpdyStatusChanged(data.spdyStatus) &&
     49              this.onSpdyAlternateProtocolMappingsChanged(
     50                  data.spdyAlternateProtocolMappings);
     51     },
     52 
     53     /**
     54      * If |spdySessionInfo| contains any sessions, displays a single table with
     55      * information on each SPDY session.  Otherwise, displays "None".
     56      */
     57     onSpdySessionInfoChanged: function(spdySessionInfo) {
     58       if (!spdySessionInfo)
     59         return false;
     60       var input = new JsEvalContext({ spdySessionInfo: spdySessionInfo });
     61       jstProcess(input, $(SpdyView.SESSION_INFO_ID));
     62       return true;
     63     },
     64 
     65     /**
     66      * Displays information on the global SPDY status.
     67      */
     68     onSpdyStatusChanged: function(spdyStatus) {
     69       if (!spdyStatus)
     70         return false;
     71       var input = new JsEvalContext(spdyStatus);
     72       jstProcess(input, $(SpdyView.STATUS_ID));
     73       return true;
     74     },
     75 
     76     /**
     77      * Displays information on the SPDY alternate protocol mappings.
     78      */
     79     onSpdyAlternateProtocolMappingsChanged: function(
     80         spdyAlternateProtocolMappings) {
     81       if (!spdyAlternateProtocolMappings)
     82         return false;
     83       var input = new JsEvalContext(
     84           {spdyAlternateProtocolMappings: spdyAlternateProtocolMappings});
     85       jstProcess(input, $(SpdyView.ALTERNATE_PROTOCOL_MAPPINGS_ID));
     86       return true;
     87     }
     88   };
     89 
     90   return SpdyView;
     91 })();
     92