chrome/browser/resources/chromeos/login/screen_device_disabled.js

   1 // Copyright 2014 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 Device disabled screen implementation.
   7  */
   8
   9 login.createScreen('DeviceDisabledScreen', 'device-disabled', function() {
  10   return {
  11     EXTERNAL_API: [
  12       'setEnrollmentDomain',
  13       'setMessage'
  14     ],
  15
  16     /**
  17      * Ignore any accelerators the user presses on this screen.
  18      */
  19     ignoreAccelerators: true,
  20
  21     /** @override */
  22     decorate: function() {
  23       this.setEnrollmentDomain(null);
  24     },
  25
  26     /**
  27      * The visibility of the cancel button in the header bar is controlled by a
  28      * global. Although the device disabling screen hides the button, a
  29      * notification intended for an earlier screen (e.g animation finished)
  30      * could re-show the button. If this happens, the current screen's cancel()
  31      * method will be shown when the user actually clicks the button. Make sure
  32      * that this is a no-op.
  33      */
  34     cancel: function() {
  35     },
  36
  37     /**
  38      * Event handler that is invoked just before the screen in shown.
  39      */
  40     onBeforeShow: function() {
  41       $('progress-dots').hidden = true;
  42       var headerBar = $('login-header-bar');
  43       headerBar.allowCancel = false;
  44       headerBar.showGuestButton = false;
  45       headerBar.signinUIState = SIGNIN_UI_STATE.HIDDEN;
  46     },
  47
  48     /**
  49       * Updates the explanation shown to the user. The explanation will indicate
  50       * that the device is owned by |enrollment_domain|. If |enrollment_domain|
  51       * is null or empty, a generic explanation will be used instead that does
  52       * not reference any domain.
  53       * @param {string} enrollment_domain The domain that owns the device.
  54       */
  55     setEnrollmentDomain: function(enrollment_domain) {
  56       if (enrollment_domain) {
  57         // The contents of |enrollment_domain| is untrusted. Set the resulting
  58         // string as |textContent| so that it gets treated as plain text and
  59         // cannot be used to inject JS or HTML.
  60         $('device-disabled-explanation').textContent = loadTimeData.getStringF(
  61             'deviceDisabledExplanationWithDomain',
  62             enrollment_domain);
  63       } else {
  64         $('device-disabled-explanation').textContent = loadTimeData.getString(
  65             'deviceDisabledExplanationWithoutDomain');
  66       }
  67     },
  68
  69
  70     /**
  71       * Sets the message to show to the user.
  72       * @param {string} message The message to show to the user.
  73       */
  74     setMessage: function(message) {
  75       // The contents of |message| is untrusted. Set it as |textContent| so that
  76       // it gets treated as plain text and cannot be used to inject JS or HTML.
  77       $('device-disabled-message').textContent = message;
  78     }
  79   };
  80 });