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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 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 })();
     95