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1// Copyright (c) 2011 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// AddLanguageOverlay class:
7
8cr.define('options', function() {
9  const OptionsPage = options.OptionsPage;
10
11  /**
12   * Encapsulated handling of ChromeOS add language overlay page.
13   * @constructor
14   */
15  function AddLanguageOverlay() {
16    OptionsPage.call(this, 'addLanguage',
17                     localStrings.getString('add_button'),
18                     'add-language-overlay-page');
19  }
20
21  cr.addSingletonGetter(AddLanguageOverlay);
22
23  AddLanguageOverlay.prototype = {
24    // Inherit AddLanguageOverlay from OptionsPage.
25    __proto__: OptionsPage.prototype,
26
27    /**
28     * Initializes AddLanguageOverlay page.
29     * Calls base class implementation to starts preference initialization.
30     */
31    initializePage: function() {
32      // Call base class implementation to starts preference initialization.
33      OptionsPage.prototype.initializePage.call(this);
34
35      // Set up the cancel button.
36      $('add-language-overlay-cancel-button').onclick = function(e) {
37        OptionsPage.closeOverlay();
38      };
39
40      // Create the language list with which users can add a language.
41      var addLanguageList = $('add-language-overlay-language-list');
42      var languageListData = templateData.languageList;
43      for (var i = 0; i < languageListData.length; i++) {
44        var language = languageListData[i];
45        var displayText = language.displayName;
46        // If the native name is different, add it.
47        if (language.displayName != language.nativeDisplayName) {
48          displayText += ' - ' + language.nativeDisplayName;
49        }
50        if (cr.isChromeOS) {
51          var button = document.createElement('button');
52          button.className = 'link-button';
53          button.textContent = displayText;
54          button.languageCode = language.code;
55          var li = document.createElement('li');
56          li.languageCode = language.code;
57          li.appendChild(button);
58          addLanguageList.appendChild(li);
59        } else {
60          var option = document.createElement('option');
61          option.value = language.code;
62          option.textContent = displayText;
63          addLanguageList.appendChild(option);
64        }
65      }
66    },
67  };
68
69  return {
70    AddLanguageOverlay: AddLanguageOverlay
71  };
72});
73