chrome/browser/resources/net_internals/modules_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 installed Chrome extensions / apps as well
   7  * as Winsock layered service providers and namespace providers.
   8  *
   9  * For each layered service provider, shows the name, dll, and type
  10  * information.  For each namespace provider, shows the name and
  11  * whether or not it's active.
  12  */
  13 var ModulesView = (function() {
  14   'use strict';
  15
  16   // We inherit from DivView.
  17   var superClass = DivView;
  18
  19   /**
  20    * @constructor
  21    */
  22   function ModulesView() {
  23     assertFirstConstructorCall(ModulesView);
  24
  25     // Call superclass's constructor.
  26     superClass.call(this, ModulesView.MAIN_BOX_ID);
  27
  28     this.serviceProvidersTbody_ =
  29         $(ModulesView.SERVICE_PROVIDERS_TBODY_ID);
  30     this.namespaceProvidersTbody_ =
  31         $(ModulesView.NAMESPACE_PROVIDERS_TBODY_ID);
  32
  33     g_browser.addServiceProvidersObserver(this, false);
  34     g_browser.addExtensionInfoObserver(this, true);
  35   }
  36
  37   ModulesView.TAB_ID = 'tab-handle-modules';
  38   ModulesView.TAB_NAME = 'Modules';
  39   ModulesView.TAB_HASH = '#modules';
  40
  41   // IDs for special HTML elements in modules_view.html.
  42   ModulesView.MAIN_BOX_ID = 'modules-view-tab-content';
  43   ModulesView.EXTENSION_INFO_ID = 'modules-view-extension-info';
  44   ModulesView.WINDOWS_SERVICE_PROVIDERS_ID =
  45       'modules-view-windows-service-providers';
  46
  47   cr.addSingletonGetter(ModulesView);
  48
  49   ModulesView.prototype = {
  50     // Inherit the superclass's methods.
  51     __proto__: superClass.prototype,
  52
  53     onLoadLogFinish: function(data) {
  54       // Show the tab if there are either service providers or extension info.
  55       var hasExtensionInfo = this.onExtensionInfoChanged(data.extensionInfo);
  56       var hasSpiInfo = this.onServiceProvidersChanged(data.serviceProviders);
  57       return hasExtensionInfo || hasSpiInfo;
  58     },
  59
  60     onExtensionInfoChanged: function(extensionInfo) {
  61       var input = new JsEvalContext({extensionInfo: extensionInfo});
  62       jstProcess(input, $(ModulesView.EXTENSION_INFO_ID));
  63       return !!extensionInfo;
  64     },
  65
  66     onServiceProvidersChanged: function(serviceProviders) {
  67       var input = new JsEvalContext(serviceProviders);
  68       jstProcess(input, $(ModulesView.WINDOWS_SERVICE_PROVIDERS_ID));
  69       return !!serviceProviders;
  70     },
  71   };
  72
  73   /**
  74    * Returns type of a layered service provider.
  75    */
  76   ModulesView.getLayeredServiceProviderType = function(serviceProvider) {
  77     if (serviceProvider.chain_length == 0)
  78       return 'Layer';
  79     if (serviceProvider.chain_length == 1)
  80       return 'Base';
  81     return 'Chain';
  82   };
  83
  84   var SOCKET_TYPE = {
  85     '1': 'SOCK_STREAM',
  86     '2': 'SOCK_DGRAM',
  87     '3': 'SOCK_RAW',
  88     '4': 'SOCK_RDM',
  89     '5': 'SOCK_SEQPACKET'
  90   };
  91
  92   /**
  93    * Returns socket type of a layered service provider as a string.
  94    */
  95   ModulesView.getLayeredServiceProviderSocketType = function(serviceProvider) {
  96     return tryGetValueWithKey(SOCKET_TYPE, serviceProvider.socket_type);
  97   };
  98
  99   var PROTOCOL_TYPE = {
 100     '1': 'IPPROTO_ICMP',
 101     '6': 'IPPROTO_TCP',
 102     '17': 'IPPROTO_UDP',
 103     '58': 'IPPROTO_ICMPV6'
 104   };
 105
 106   /**
 107    * Returns protocol type of a layered service provider as a string.
 108    */
 109   ModulesView.getLayeredServiceProviderProtocolType =
 110       function(serviceProvider) {
 111     return tryGetValueWithKey(PROTOCOL_TYPE, serviceProvider.socket_protocol);
 112   }
 113
 114   var NAMESPACE_PROVIDER_PTYPE = {
 115     '12': 'NS_DNS',
 116     '15': 'NS_NLA',
 117     '16': 'NS_BTH',
 118     '32': 'NS_NTDS',
 119     '37': 'NS_EMAIL',
 120     '38': 'NS_PNRPNAME',
 121     '39': 'NS_PNRPCLOUD'
 122   };
 123
 124   /**
 125    * Returns the type of a namespace provider as a string.
 126    */
 127   ModulesView.getNamespaceProviderType = function(namespaceProvider) {
 128     return tryGetValueWithKey(NAMESPACE_PROVIDER_PTYPE,
 129                               namespaceProvider.type);
 130   };
 131
 132   return ModulesView;
 133 })();