chrome/browser/resources/net_internals/chromeos_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 ChromeOS specific features.
   7  */
   8 var CrosView = (function() {
   9   'use strict';
  10
  11   var fileContent;
  12   var passcode = '';
  13
  14   /**
  15    *  Clear file input div
  16    *
  17    *  @private
  18    */
  19   function clearFileInput_() {
  20     $(CrosView.IMPORT_DIV_ID).innerHTML = $(CrosView.IMPORT_DIV_ID).innerHTML;
  21     $(CrosView.IMPORT_ONC_ID).addEventListener('change',
  22                                                handleFileChangeEvent_,
  23                                                false);
  24   }
  25
  26   /**
  27    *  Send file contents and passcode to C++ cros network library.
  28    *
  29    *  @private
  30    */
  31   function importONCFile_() {
  32     clearParseStatus_();
  33     if (fileContent)
  34       g_browser.importONCFile(fileContent, passcode);
  35     else
  36       setParseStatus_('ONC file parse failed: cannot read file');
  37     clearFileInput_();
  38   }
  39
  40   /**
  41    *  Set the passcode var, and trigger onc import.
  42    *
  43    *  @param {string} value The passcode value.
  44    *  @private
  45    */
  46   function setPasscode_(value) {
  47     passcode = value;
  48     if (passcode)
  49       importONCFile_();
  50   }
  51
  52   /**
  53    *  Unhide the passcode prompt input field and give it focus.
  54    *
  55    *  @private
  56    */
  57   function promptForPasscode_() {
  58     $(CrosView.PASSCODE_ID).hidden = false;
  59     $(CrosView.PASSCODE_INPUT_ID).focus();
  60     $(CrosView.PASSCODE_INPUT_ID).select();
  61   }
  62
  63   /**
  64    *  Set the fileContent var, and trigger onc import if the file appears to
  65    *  not be encrypted, or prompt for passcode if the file is encrypted.
  66    *
  67    *  @private
  68    *  @param {string} text contents of selected file.
  69    */
  70   function setFileContent_(result) {
  71     fileContent = result;
  72     // Parse the JSON to get at the top level "Type" property.
  73     var jsonObject;
  74     // Ignore any parse errors: they'll get handled in the C++ import code.
  75     try {
  76       jsonObject = JSON.parse(fileContent);
  77     } catch (error) {}
  78     // Check if file is encrypted.
  79     if (jsonObject &&
  80         jsonObject.hasOwnProperty('Type') &&
  81         jsonObject.Type == 'EncryptedConfiguration') {
  82       promptForPasscode_();
  83     } else {
  84       importONCFile_();
  85     }
  86   }
  87
  88   /**
  89    *  Clear ONC file parse status.  Clears and hides the parse status div.
  90    *
  91    *  @private
  92    */
  93   function clearParseStatus_(error) {
  94     var parseStatus = $(CrosView.PARSE_STATUS_ID);
  95     parseStatus.hidden = true;
  96     parseStatus.textContent = '';
  97   }
  98
  99   /**
 100    *  Set ONC file parse status.
 101    *
 102    *  @private
 103    */
 104   function setParseStatus_(error) {
 105     var parseStatus = $(CrosView.PARSE_STATUS_ID);
 106     parseStatus.hidden = false;
 107     parseStatus.textContent = error ?
 108         'ONC file parse failed: ' + error : 'ONC file successfully parsed';
 109     reset_();
 110   }
 111
 112   /**
 113    *  Set storing debug logs status.
 114    *
 115    *  @private
 116    */
 117   function setStoreDebugLogsStatus_(status) {
 118     $(CrosView.STORE_DEBUG_LOGS_STATUS_ID).innerText = status;
 119   }
 120
 121   /**
 122    *  Set status for current debug mode.
 123    *
 124    *  @private
 125    */
 126   function setNetworkDebugModeStatus_(status) {
 127     $(CrosView.DEBUG_STATUS_ID).innerText = status;
 128   }
 129
 130   /**
 131    *  An event listener for the file selection field.
 132    *
 133    *  @private
 134    */
 135   function handleFileChangeEvent_(event) {
 136     clearParseStatus_();
 137     var file = event.target.files[0];
 138     var reader = new FileReader();
 139     reader.onloadend = function(e) {
 140       setFileContent_(reader.result);
 141     };
 142     reader.readAsText(file);
 143   }
 144
 145   /**
 146    *  Add event listeners for the file selection, passcode input
 147    *  fields, for the button for debug logs storing and for buttons
 148    *  for debug mode selection.
 149    *
 150    *  @private
 151    */
 152   function addEventListeners_() {
 153     $(CrosView.IMPORT_ONC_ID).addEventListener('change',
 154                                                handleFileChangeEvent_,
 155                                                false);
 156
 157     $(CrosView.PASSCODE_INPUT_ID).addEventListener('change', function(event) {
 158       setPasscode_(this.value);
 159     }, false);
 160
 161     $(CrosView.STORE_DEBUG_LOGS_ID).addEventListener('click', function(event) {
 162       $(CrosView.STORE_DEBUG_LOGS_STATUS_ID).innerText = '';
 163       g_browser.storeDebugLogs();
 164     }, false);
 165
 166     $(CrosView.DEBUG_WIFI_ID).addEventListener('click', function(event) {
 167         setNetworkDebugMode_('wifi');
 168     }, false);
 169     $(CrosView.DEBUG_ETHERNET_ID).addEventListener('click', function(event) {
 170         setNetworkDebugMode_('ethernet');
 171     }, false);
 172     $(CrosView.DEBUG_CELLULAR_ID).addEventListener('click', function(event) {
 173         setNetworkDebugMode_('cellular');
 174     }, false);
 175     $(CrosView.DEBUG_WIMAX_ID).addEventListener('click', function(event) {
 176         setNetworkDebugMode_('wimax');
 177     }, false);
 178     $(CrosView.DEBUG_NONE_ID).addEventListener('click', function(event) {
 179         setNetworkDebugMode_('none');
 180     }, false);
 181   }
 182
 183   /**
 184    *  Reset fileContent and passcode vars.
 185    *
 186    *  @private
 187    */
 188   function reset_() {
 189     fileContent = undefined;
 190     passcode = '';
 191     $(CrosView.PASSCODE_ID).hidden = true;
 192   }
 193
 194   /**
 195    *  Enables or disables debug mode for a specified subsystem.
 196    *
 197    *  @private
 198    */
 199   function setNetworkDebugMode_(subsystem) {
 200     $(CrosView.DEBUG_STATUS_ID).innerText = '';
 201     g_browser.setNetworkDebugMode(subsystem);
 202   }
 203
 204   /**
 205    *  @constructor
 206    *  @extends {DivView}
 207    */
 208   function CrosView() {
 209     assertFirstConstructorCall(CrosView);
 210
 211     // Call superclass's constructor.
 212     DivView.call(this, CrosView.MAIN_BOX_ID);
 213
 214     g_browser.addCrosONCFileParseObserver(this);
 215     g_browser.addStoreDebugLogsObserver(this);
 216     g_browser.addSetNetworkDebugModeObserver(this);
 217     addEventListeners_();
 218   }
 219
 220   CrosView.TAB_ID = 'tab-handle-chromeos';
 221   CrosView.TAB_NAME = 'ChromeOS';
 222   CrosView.TAB_HASH = '#chromeos';
 223
 224   CrosView.MAIN_BOX_ID = 'chromeos-view-tab-content';
 225   CrosView.IMPORT_DIV_ID = 'chromeos-view-import-div';
 226   CrosView.IMPORT_ONC_ID = 'chromeos-view-import-onc';
 227   CrosView.PASSCODE_ID = 'chromeos-view-password-div';
 228   CrosView.PASSCODE_INPUT_ID = 'chromeos-view-onc-password';
 229   CrosView.PARSE_STATUS_ID = 'chromeos-view-parse-status';
 230   CrosView.STORE_DEBUG_LOGS_ID = 'chromeos-view-store-debug-logs';
 231   CrosView.STORE_DEBUG_LOGS_STATUS_ID = 'chromeos-view-store-debug-logs-status';
 232   CrosView.DEBUG_WIFI_ID = 'chromeos-view-network-debugging-wifi';
 233   CrosView.DEBUG_ETHERNET_ID = 'chromeos-view-network-debugging-ethernet';
 234   CrosView.DEBUG_CELLULAR_ID = 'chromeos-view-network-debugging-cellular';
 235   CrosView.DEBUG_WIMAX_ID = 'chromeos-view-network-debugging-wimax';
 236   CrosView.DEBUG_NONE_ID = 'chromeos-view-network-debugging-none';
 237   CrosView.DEBUG_STATUS_ID = 'chromeos-view-network-debugging-status';
 238
 239   cr.addSingletonGetter(CrosView);
 240
 241   CrosView.prototype = {
 242     // Inherit from DivView.
 243     __proto__: DivView.prototype,
 244
 245     onONCFileParse: setParseStatus_,
 246     onStoreDebugLogs: setStoreDebugLogsStatus_,
 247     onSetNetworkDebugMode: setNetworkDebugModeStatus_,
 248   };
 249
 250   return CrosView;
 251 })();