chrome/browser/resources/options/content_settings.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 cr.exportPath('options');
   6
   7 /**
   8  * @typedef {{appId: string,
   9  *            appName: (string|undefined),
  10  *            embeddingOrigin: (string|undefined),
  11  *            origin: string,
  12  *            setting: string,
  13  *            source: string,
  14  *            video: (string|undefined)}}
  15  */
  16 options.Exception;
  17
  18 cr.define('options', function() {
  19   /** @const */ var Page = cr.ui.pageManager.Page;
  20   /** @const */ var PageManager = cr.ui.pageManager.PageManager;
  21
  22   // Lookup table to generate the i18n strings.
  23   /** @const */ var permissionsLookup = {
  24     'cookies': 'cookies',
  25     'images': 'images',
  26     'javascript': 'javascript',
  27     'location': 'location',
  28     'media-stream-camera': 'mediaStreamCamera',
  29     'media-stream-mic': 'mediaStreamMic',
  30     'multiple-automatic-downloads': 'multipleAutomaticDownloads',
  31     'notifications': 'notifications',
  32     'plugins': 'plugins',
  33     'popups': 'popups',
  34   };
  35
  36   //////////////////////////////////////////////////////////////////////////////
  37   // ContentSettings class:
  38
  39   /**
  40    * Encapsulated handling of content settings page.
  41    * @constructor
  42    * @extends {cr.ui.pageManager.Page}
  43    */
  44   function ContentSettings() {
  45     this.activeNavTab = null;
  46     Page.call(this, 'content',
  47               loadTimeData.getString('contentSettingsPageTabTitle'),
  48               'content-settings-page');
  49   }
  50
  51   cr.addSingletonGetter(ContentSettings);
  52
  53   ContentSettings.prototype = {
  54     __proto__: Page.prototype,
  55
  56     /** @override */
  57     initializePage: function() {
  58       Page.prototype.initializePage.call(this);
  59
  60       var exceptionsButtons =
  61           this.pageDiv.querySelectorAll('.exceptions-list-button');
  62       for (var i = 0; i < exceptionsButtons.length; i++) {
  63         exceptionsButtons[i].onclick = function(event) {
  64           var hash = event.currentTarget.getAttribute('contentType');
  65           PageManager.showPageByName('contentExceptions', true,
  66                                      {hash: '#' + hash});
  67         };
  68       }
  69
  70       var manageHandlersButton = $('manage-handlers-button');
  71       if (manageHandlersButton) {
  72         manageHandlersButton.onclick = function(event) {
  73           PageManager.showPageByName('handlers');
  74         };
  75       }
  76
  77       if (cr.isChromeOS) {
  78         // Disable some controls for Guest in Chrome OS.
  79         UIAccountTweaks.applyGuestSessionVisibility(document);
  80
  81         // Disable some controls for Public session in Chrome OS.
  82         UIAccountTweaks.applyPublicSessionVisibility(document);
  83       }
  84
  85       // Cookies filter page ---------------------------------------------------
  86       $('show-cookies-button').onclick = function(event) {
  87         chrome.send('coreOptionsUserMetricsAction', ['Options_ShowCookies']);
  88         PageManager.showPageByName('cookies');
  89       };
  90
  91       $('content-settings-overlay-confirm').onclick =
  92           PageManager.closeOverlay.bind(PageManager);
  93
  94       $('media-pepper-flash-default-mic').hidden = true;
  95       $('media-pepper-flash-default-camera').hidden = true;
  96       $('media-pepper-flash-exceptions-mic').hidden = true;
  97       $('media-pepper-flash-exceptions-camera').hidden = true;
  98
  99       $('media-select-mic').addEventListener('change',
 100           ContentSettings.setDefaultMicrophone_);
 101       $('media-select-camera').addEventListener('change',
 102           ContentSettings.setDefaultCamera_);
 103     },
 104   };
 105
 106   ContentSettings.updateHandlersEnabledRadios = function(enabled) {
 107     var selector = '#content-settings-page input[type=radio][value=' +
 108         (enabled ? 'allow' : 'block') + '].handler-radio';
 109     document.querySelector(selector).checked = true;
 110   };
 111
 112   /**
 113    * Sets the values for all the content settings radios and labels.
 114    * @param {Object<{managedBy: string, value: string}>} dict A mapping from
 115    *     radio groups to the checked value for that group.
 116    */
 117   ContentSettings.setContentFilterSettingsValue = function(dict) {
 118     for (var group in dict) {
 119       var settingLabel = $(group + '-default-string');
 120       if (settingLabel) {
 121         var value = dict[group].value;
 122         var valueId =
 123             permissionsLookup[group] + value[0].toUpperCase() + value.slice(1);
 124         settingLabel.textContent = loadTimeData.getString(valueId);
 125       }
 126
 127       var managedBy = dict[group].managedBy;
 128       var controlledBy = managedBy == 'policy' || managedBy == 'extension' ?
 129           managedBy : null;
 130       document.querySelector('input[type=radio][name=' + group + '][value=' +
 131                              dict[group].value + ']').checked = true;
 132       var radios = document.querySelectorAll('input[type=radio][name=' +
 133                                              group + ']');
 134       for (var i = 0, len = radios.length; i < len; i++) {
 135         radios[i].disabled = (managedBy != 'default');
 136         radios[i].controlledBy = controlledBy;
 137       }
 138       var indicators = document.querySelectorAll(
 139           'span.controlled-setting-indicator[content-setting=' + group + ']');
 140       if (indicators.length == 0)
 141         continue;
 142       // Create a synthetic pref change event decorated as
 143       // CoreOptionsHandler::CreateValueForPref() does.
 144       var event = new Event(group);
 145       event.value = {
 146         value: dict[group].value,
 147         controlledBy: controlledBy,
 148       };
 149       for (var i = 0; i < indicators.length; i++) {
 150         indicators[i].handlePrefChange(event);
 151       }
 152     }
 153   };
 154
 155   /**
 156    * Initializes an exceptions list.
 157    * @param {string} type The content type that we are setting exceptions for.
 158    * @param {Array<options.Exception>} exceptions An array of pairs, where the
 159    *     first element of each pair is the filter string, and the second is the
 160    *     setting (allow/block).
 161    */
 162   ContentSettings.setExceptions = function(type, exceptions) {
 163     this.getExceptionsList(type, 'normal').setExceptions(exceptions);
 164   };
 165
 166   ContentSettings.setHandlers = function(handlers) {
 167     $('handlers-list').setHandlers(handlers);
 168   };
 169
 170   ContentSettings.setIgnoredHandlers = function(ignoredHandlers) {
 171     $('ignored-handlers-list').setHandlers(ignoredHandlers);
 172   };
 173
 174   ContentSettings.setOTRExceptions = function(type, otrExceptions) {
 175     var exceptionsList = this.getExceptionsList(type, 'otr');
 176     // Settings for Guest hides many sections, so check for null first.
 177     if (exceptionsList) {
 178       exceptionsList.parentNode.hidden = false;
 179       exceptionsList.setExceptions(otrExceptions);
 180     }
 181   };
 182
 183   /**
 184    * @param {string} type The type of exceptions (e.g. "location") to get.
 185    * @param {string} mode The mode of the desired exceptions list (e.g. otr).
 186    * @return {?options.contentSettings.ExceptionsList} The corresponding
 187    *     exceptions list or null.
 188    */
 189   ContentSettings.getExceptionsList = function(type, mode) {
 190     var exceptionsList = document.querySelector(
 191         'div[contentType=' + type + '] list[mode=' + mode + ']');
 192     return !exceptionsList ? null :
 193         assertInstanceof(exceptionsList,
 194                          options.contentSettings.ExceptionsList);
 195   };
 196
 197   /**
 198    * The browser's response to a request to check the validity of a given URL
 199    * pattern.
 200    * @param {string} type The content type.
 201    * @param {string} mode The browser mode.
 202    * @param {string} pattern The pattern.
 203    * @param {boolean} valid Whether said pattern is valid in the context of
 204    *     a content exception setting.
 205    */
 206   ContentSettings.patternValidityCheckComplete =
 207       function(type, mode, pattern, valid) {
 208     this.getExceptionsList(type, mode).patternValidityCheckComplete(pattern,
 209                                                                     valid);
 210   };
 211
 212   /**
 213    * Shows/hides the link to the Pepper Flash camera or microphone,
 214    * default or exceptions settings.
 215    * Please note that whether the link is actually showed or not is also
 216    * affected by the style class pepper-flash-settings.
 217    * @param {string} linkType Can be 'default' or 'exceptions'.
 218    * @param {string} contentType Can be 'mic' or 'camera'.
 219    * @param {boolean} show Whether to show (or hide) the link.
 220    */
 221   ContentSettings.showMediaPepperFlashLink =
 222       function(linkType, contentType, show) {
 223     assert(['default', 'exceptions'].indexOf(linkType) >= 0);
 224     assert(['mic', 'camera'].indexOf(contentType) >= 0);
 225     $('media-pepper-flash-' + linkType + '-' + contentType).hidden = !show;
 226   };
 227
 228   /**
 229    * Updates the microphone/camera devices menu with the given entries.
 230    * @param {string} type The device type.
 231    * @param {Array} devices List of available devices.
 232    * @param {string} defaultdevice The unique id of the current default device.
 233    */
 234   ContentSettings.updateDevicesMenu = function(type, devices, defaultdevice) {
 235     var deviceSelect = '';
 236     if (type == 'mic') {
 237       deviceSelect = $('media-select-mic');
 238     } else if (type == 'camera') {
 239       deviceSelect = $('media-select-camera');
 240     } else {
 241       console.error('Unknown device type for <device select> UI element: ' +
 242                     type);
 243       return;
 244     }
 245
 246     deviceSelect.textContent = '';
 247
 248     var deviceCount = devices.length;
 249     var defaultIndex = -1;
 250     for (var i = 0; i < deviceCount; i++) {
 251       var device = devices[i];
 252       var option = new Option(device.name, device.id);
 253       if (option.value == defaultdevice)
 254         defaultIndex = i;
 255       deviceSelect.appendChild(option);
 256     }
 257     if (defaultIndex >= 0)
 258       deviceSelect.selectedIndex = defaultIndex;
 259   };
 260
 261   /**
 262    * Enables/disables the protected content exceptions button.
 263    * @param {boolean} enable Whether to enable the button.
 264    */
 265   ContentSettings.enableProtectedContentExceptions = function(enable) {
 266     var exceptionsButton = $('protected-content-exceptions');
 267     if (exceptionsButton)
 268       exceptionsButton.disabled = !enable;
 269   };
 270
 271   /**
 272    * Set the default microphone device based on the popup selection.
 273    * @private
 274    */
 275   ContentSettings.setDefaultMicrophone_ = function() {
 276     var deviceSelect = $('media-select-mic');
 277     chrome.send('setDefaultCaptureDevice', ['mic', deviceSelect.value]);
 278   };
 279
 280   /**
 281    * Set the default camera device based on the popup selection.
 282    * @private
 283    */
 284   ContentSettings.setDefaultCamera_ = function() {
 285     var deviceSelect = $('media-select-camera');
 286     chrome.send('setDefaultCaptureDevice', ['camera', deviceSelect.value]);
 287   };
 288
 289   // Export
 290   return {
 291     ContentSettings: ContentSettings
 292   };
 293
 294 });