chrome/browser/resources/net_internals/spdy_view.js

   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 = 'HTTP/2';
  31   SpdyView.TAB_HASH = '#http2';
  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 })();