chrome/browser/resources/chromeos/login/oobe_screen_eula.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  * @fileoverview Oobe eula screen implementation.
   7  */
   8
   9 login.createScreen('EulaScreen', 'eula', function() {
  10   var CONTEXT_KEY_USAGE_STATS_ENABLED = 'usageStatsEnabled';
  11
  12   return {
  13     /** @override */
  14     decorate: function() {
  15       $('eula-chrome-credits-link').hidden = true;
  16       $('eula-chromeos-credits-link').hidden = true;
  17       $('stats-help-link').addEventListener('click', function(event) {
  18         chrome.send('eulaOnLearnMore');
  19       });
  20       $('installation-settings-link').addEventListener(
  21           'click', function(event) {
  22             chrome.send('eulaOnInstallationSettingsPopupOpened');
  23             $('popup-overlay').hidden = false;
  24             $('installation-settings-ok-button').focus();
  25           });
  26       $('installation-settings-ok-button').addEventListener(
  27           'click', function(event) {
  28             $('popup-overlay').hidden = true;
  29           });
  30       // Do not allow focus leaving the overlay.
  31       $('popup-overlay').addEventListener('focusout', function(event) {
  32         // WebKit does not allow immediate focus return.
  33         window.setTimeout(function() {
  34           // TODO(ivankr): focus cycling.
  35           $('installation-settings-ok-button').focus();
  36         }, 0);
  37         event.preventDefault();
  38       });
  39
  40       var self = this;
  41       $('usage-stats').addEventListener('click', function(event) {
  42         self.context.set(CONTEXT_KEY_USAGE_STATS_ENABLED,
  43                          $('usage-stats').checked);
  44         self.commitContextChanges();
  45         event.stopPropagation();
  46       });
  47     },
  48
  49     /**
  50      * Event handler that is invoked when 'chrome://terms' is loaded.
  51      */
  52     onFrameLoad: function() {
  53       $('accept-button').disabled = false;
  54       $('eula').classList.remove('eula-loading');
  55       // Initially, the back button is focused and the accept button is
  56       // disabled.
  57       // Move the focus to the accept button now but only if the user has not
  58       // moved the focus anywhere in the meantime.
  59       if (!$('back-button').blurred)
  60         $('accept-button').focus();
  61     },
  62
  63     /**
  64      * Event handler that is invoked just before the screen is shown.
  65      * @param {object} data Screen init payload.
  66      */
  67     onBeforeShow: function() {
  68       $('eula').classList.add('eula-loading');
  69       $('cros-eula-frame').onload = this.onFrameLoad;
  70       $('accept-button').disabled = true;
  71       $('cros-eula-frame').src = 'chrome://terms';
  72     },
  73
  74     /**
  75      * Header text of the screen.
  76      * @type {string}
  77      */
  78     get header() {
  79       return loadTimeData.getString('eulaScreenTitle');
  80     },
  81
  82     /**
  83      * Buttons in oobe wizard's button strip.
  84      * @type {Array} Array of Buttons.
  85      */
  86     get buttons() {
  87       var buttons = [];
  88
  89       var backButton = this.declareButton('back-button');
  90       backButton.textContent = loadTimeData.getString('back');
  91       buttons.push(backButton);
  92
  93       var acceptButton = this.declareButton('accept-button');
  94       acceptButton.disabled = true;
  95       acceptButton.classList.add('preserve-disabled-state');
  96       acceptButton.textContent = loadTimeData.getString('acceptAgreement');
  97       acceptButton.addEventListener('click', function(e) {
  98         $('eula').classList.add('loading');  // Mark EULA screen busy.
  99         Oobe.clearErrors();
 100         e.stopPropagation();
 101       });
 102       buttons.push(acceptButton);
 103
 104       return buttons;
 105     },
 106
 107     /**
 108      * Returns a control which should receive an initial focus.
 109      */
 110     get defaultControl() {
 111       return $('accept-button').disabled ? $('back-button') :
 112                                            $('accept-button');
 113     },
 114
 115     enableKeyboardFlow: function() {
 116       $('eula-chrome-credits-link').hidden = false;
 117       $('eula-chromeos-credits-link').hidden = false;
 118       $('eula-chrome-credits-link').addEventListener('click',
 119           function(event) {
 120             chrome.send('eulaOnChromeCredits');
 121           });
 122       $('eula-chromeos-credits-link').addEventListener('click',
 123           function(event) {
 124             chrome.send('eulaOnChromeOSCredits');
 125           });
 126     },
 127
 128     /**
 129      * Updates localized content of the screen that is not updated via template.
 130      */
 131     updateLocalizedContent: function() {
 132       // Force iframes to refresh. It's only available method because we have
 133       // no access to iframe.contentWindow.
 134       if ($('cros-eula-frame').src) {
 135         $('cros-eula-frame').src = $('cros-eula-frame').src;
 136       }
 137       if ($('oem-eula-frame').src) {
 138         $('oem-eula-frame').src = $('oem-eula-frame').src;
 139       }
 140     }
 141   };
 142 });
 143