chrome/browser/resources/net_internals/sockets_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 information on the state of all socket pools.
   7  *
   8  *   - Shows a summary of the state of each socket pool at the top.
   9  *   - For each pool with allocated sockets or connect jobs, shows all its
  10  *     groups with any allocated sockets.
  11  */
  12 var SocketsView = (function() {
  13   'use strict';
  14
  15   // We inherit from DivView.
  16   var superClass = DivView;
  17
  18   /**
  19    * @constructor
  20    */
  21   function SocketsView() {
  22     assertFirstConstructorCall(SocketsView);
  23
  24     // Call superclass's constructor.
  25     superClass.call(this, SocketsView.MAIN_BOX_ID);
  26
  27     g_browser.addSocketPoolInfoObserver(this, true);
  28     this.socketPoolDiv_ = $(SocketsView.SOCKET_POOL_DIV_ID);
  29     this.socketPoolGroupsDiv_ = $(SocketsView.SOCKET_POOL_GROUPS_DIV_ID);
  30
  31     var closeIdleButton = $(SocketsView.CLOSE_IDLE_SOCKETS_BUTTON_ID);
  32     closeIdleButton.onclick = this.closeIdleSockets.bind(this);
  33
  34     var flushSocketsButton = $(SocketsView.SOCKET_POOL_FLUSH_BUTTON_ID);
  35     flushSocketsButton.onclick = this.flushSocketPools.bind(this);
  36   }
  37
  38   SocketsView.TAB_ID = 'tab-handle-sockets';
  39   SocketsView.TAB_NAME = 'Sockets';
  40   SocketsView.TAB_HASH = '#sockets';
  41
  42   // IDs for special HTML elements in sockets_view.html
  43   SocketsView.MAIN_BOX_ID = 'sockets-view-tab-content';
  44   SocketsView.SOCKET_POOL_DIV_ID = 'sockets-view-pool-div';
  45   SocketsView.SOCKET_POOL_GROUPS_DIV_ID = 'sockets-view-pool-groups-div';
  46   SocketsView.CLOSE_IDLE_SOCKETS_BUTTON_ID = 'sockets-view-close-idle-button';
  47   SocketsView.SOCKET_POOL_FLUSH_BUTTON_ID = 'sockets-view-flush-button';
  48
  49   cr.addSingletonGetter(SocketsView);
  50
  51   SocketsView.prototype = {
  52     // Inherit the superclass's methods.
  53     __proto__: superClass.prototype,
  54
  55     onLoadLogFinish: function(data) {
  56       return this.onSocketPoolInfoChanged(data.socketPoolInfo);
  57     },
  58
  59     onSocketPoolInfoChanged: function(socketPoolInfo) {
  60       this.socketPoolDiv_.innerHTML = '';
  61       this.socketPoolGroupsDiv_.innerHTML = '';
  62
  63       if (!socketPoolInfo)
  64         return false;
  65
  66       var socketPools = SocketPoolWrapper.createArrayFrom(socketPoolInfo);
  67       var tablePrinter = SocketPoolWrapper.createTablePrinter(socketPools);
  68       tablePrinter.toHTML(this.socketPoolDiv_, 'styled-table');
  69
  70       // Add table for each socket pool with information on each of its groups.
  71       for (var i = 0; i < socketPools.length; ++i) {
  72         if (socketPools[i].origPool.groups != undefined) {
  73           var p = addNode(this.socketPoolGroupsDiv_, 'p');
  74           var br = addNode(p, 'br');
  75           var groupTablePrinter = socketPools[i].createGroupTablePrinter();
  76           groupTablePrinter.toHTML(p, 'styled-table');
  77         }
  78       }
  79       return true;
  80     },
  81
  82     closeIdleSockets: function() {
  83       g_browser.sendCloseIdleSockets();
  84       g_browser.checkForUpdatedInfo(false);
  85     },
  86
  87     flushSocketPools: function() {
  88       g_browser.sendFlushSocketPools();
  89       g_browser.checkForUpdatedInfo(false);
  90     }
  91   };
  92
  93   return SocketsView;
  94 })();