chrome/browser/resources/settings/search_page/search_page.js

   1 // Copyright 2015 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  * @fileoverview
   7  * 'cr-settings-search-page' is the settings page containing search settings.
   8  *
   9  * Example:
  10  *
  11  *    <iron-animated-pages>
  12  *      <cr-settings-search-page prefs="{{prefs}}"></cr-settings-search-page>
  13  *      ... other pages ...
  14  *    </iron-animated-pages>
  15  *
  16  * @group Chrome Settings Elements
  17  * @element cr-settings-search-page
  18  */
  19 Polymer({
  20   is: 'cr-settings-search-page',
  21
  22   properties: {
  23     /**
  24      * The current active route.
  25      */
  26     currentRoute: {
  27       type: Object,
  28       notify: true,
  29     },
  30
  31     /**
  32      * List of default search engines available.
  33      * @type {?Array<!SearchEngine>}
  34      */
  35     searchEngines: {
  36       type: Array,
  37       value: function() { return []; },
  38     },
  39   },
  40
  41   /** @override */
  42   created: function() {
  43     chrome.searchEnginesPrivate.onSearchEnginesChanged.addListener(
  44         this.updateSearchEngines_.bind(this));
  45     chrome.searchEnginesPrivate.getSearchEngines(
  46         this.updateSearchEngines_.bind(this));
  47   },
  48
  49   /**
  50    * Persists the new default search engine back to Chrome. Called when the
  51    * user selects a new default in the search engines dropdown.
  52    * @private
  53    */
  54   defaultEngineGuidChanged_: function() {
  55     chrome.searchEnginesPrivate.setSelectedSearchEngine(
  56         this.$.searchEnginesMenu.value);
  57   },
  58
  59
  60   /**
  61    * Updates the list of default search engines based on the given |engines|.
  62    * @param {!Array<!SearchEngine>} engines All the search engines.
  63    * @private
  64    */
  65   updateSearchEngines_: function(engines) {
  66     var defaultEngines = [];
  67
  68     engines.forEach(function(engine) {
  69       if (engine.type ==
  70           chrome.searchEnginesPrivate.SearchEngineType.DEFAULT) {
  71         defaultEngines.push(engine);
  72         if (engine.isSelected) {
  73           this.$.searchEnginesMenu.value = engine.guid;
  74         }
  75       }
  76     }, this);
  77
  78     this.searchEngines = defaultEngines;
  79   },
  80
  81   /** @private */
  82   onSearchEnginesTap_: function() {
  83     this.$.pages.setSubpageChain(['search-engines']);
  84   },
  85
  86   /** @private */
  87   onSearchEnginesAdvancedTap_: function() {
  88     this.$.pages.setSubpageChain(['search-engines', 'search-engines-advanced']);
  89   },
  90 });