chrome/browser/resources/chromeos/login/screen_password_changed.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 Password changed screen implementation.
   7  */
   8
   9 login.createScreen('PasswordChangedScreen', 'password-changed', function() {
  10   return {
  11     EXTERNAL_API: [
  12       'show'
  13     ],
  14
  15     /** @override */
  16     decorate: function() {
  17       $('old-password').addEventListener(
  18         'keydown', function(e) {
  19           $('password-changed').classList.remove('password-error');
  20           if (e.keyIdentifier == 'Enter') {
  21             $('password-changed').migrate();
  22             e.stopPropagation();
  23           }
  24         });
  25       $('old-password').addEventListener(
  26         'keyup', function(e) {
  27           if ($('password-changed').disabled)
  28             return;
  29           $('password-changed-ok-button').disabled = this.value.length == 0;
  30         });
  31       $('password-changed-cant-remember-link').addEventListener(
  32         'click', function(e) {
  33           if (this.classList.contains('disabled'))
  34             return;
  35           var screen = $('password-changed');
  36           if (screen.classList.contains('migrate')) {
  37             screen.classList.remove('migrate');
  38             screen.classList.add('resync');
  39             $('password-changed-proceed-button').focus();
  40             $('password-changed').classList.remove('password-error');
  41             $('old-password').value = '';
  42             $('password-changed-ok-button').disabled = true;
  43           }
  44         });
  45     },
  46
  47     /**
  48      * Screen controls.
  49      * @type {array} Array of Buttons.
  50      */
  51     get buttons() {
  52       var buttons = [];
  53
  54       var backButton = this.ownerDocument.createElement('button');
  55       backButton.id = 'password-changed-back-button';
  56       backButton.textContent =
  57           loadTimeData.getString('passwordChangedBackButton');
  58       backButton.addEventListener('click', function(e) {
  59         var screen = $('password-changed');
  60         if (screen.classList.contains('migrate')) {
  61           screen.cancel();
  62         } else {
  63           // Resync all data UI step.
  64           screen.classList.remove('resync');
  65           screen.classList.add('migrate');
  66           $('old-password').focus();
  67         }
  68         e.stopPropagation();
  69       });
  70       buttons.push(backButton);
  71
  72       var okButton = this.ownerDocument.createElement('button');
  73       okButton.id = 'password-changed-ok-button';
  74       okButton.textContent = loadTimeData.getString('passwordChangedsOkButton');
  75       okButton.addEventListener('click', function(e) {
  76         $('password-changed').migrate();
  77         e.stopPropagation();
  78       });
  79       buttons.push(okButton);
  80
  81       var proceedAnywayButton = this.ownerDocument.createElement('button');
  82       proceedAnywayButton.id = 'password-changed-proceed-button';
  83       proceedAnywayButton.textContent =
  84           loadTimeData.getString('proceedAnywayButton');
  85       proceedAnywayButton.addEventListener('click', function(e) {
  86         var screen = $('password-changed');
  87         if (screen.classList.contains('resync'))
  88           $('password-changed').resync();
  89         e.stopPropagation();
  90       });
  91       buttons.push(proceedAnywayButton);
  92
  93       return buttons;
  94     },
  95
  96     /**
  97      * Returns a control which should receive an initial focus.
  98      */
  99     get defaultControl() {
 100       return $('old-password');
 101     },
 102
 103     /**
 104      * True if the the screen is disabled (handles no user interaction).
 105      * @type {boolean}
 106      */
 107     disabled_: false,
 108     get disabled() {
 109       return this.disabled_;
 110     },
 111     set disabled(value) {
 112       this.disabled_ = value;
 113       var controls = this.querySelectorAll('button,input');
 114       for (var i = 0, control; control = controls[i]; ++i) {
 115         control.disabled = value;
 116       }
 117       $('login-header-bar').disabled = value;
 118       $('password-changed-cant-remember-link').classList[
 119           value ? 'add' : 'remove']('disabled');
 120     },
 121
 122     /**
 123      * Cancels password migration and drops the user back to the login screen.
 124      */
 125     cancel: function() {
 126       this.disabled = true;
 127       chrome.send('cancelPasswordChangedFlow');
 128     },
 129
 130     /**
 131      * Starts migration process using old password that user provided.
 132      */
 133     migrate: function() {
 134       if (!$('old-password').value) {
 135         $('old-password').focus();
 136         return;
 137       }
 138       this.disabled = true;
 139       chrome.send('migrateUserData', [$('old-password').value]);
 140     },
 141
 142     /**
 143      * Event handler that is invoked just before the screen is hidden.
 144      */
 145     onBeforeHide: function() {
 146       $('login-header-bar').disabled = false;
 147     },
 148
 149     /**
 150      * Starts migration process by removing old cryptohome and re-syncing data.
 151      */
 152     resync: function() {
 153       this.disabled = true;
 154       chrome.send('resyncUserData');
 155     },
 156
 157     /**
 158      * Show password changed screen.
 159      * @param {boolean} showError Whether to show the incorrect password error.
 160      */
 161     show: function(showError) {
 162       // We'll get here after the successful online authentication.
 163       // It assumes session is about to start so hides login screen controls.
 164       Oobe.getInstance().headerHidden = false;
 165       var screen = $('password-changed');
 166       screen.classList.toggle('password-error', showError);
 167       screen.classList.add('migrate');
 168       screen.classList.remove('resync');
 169       $('old-password').value = '';
 170       $('password-changed').disabled = false;
 171
 172       Oobe.showScreen({id: SCREEN_PASSWORD_CHANGED});
 173       $('password-changed-ok-button').disabled = true;
 174     }
 175   };
 176 });
 177