components/proximity_auth/webui/resources/reachable-devices.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 Polymer({
   6   is: 'reachable-devices',
   7
   8   properties: {
   9     /**
  10      * List of devices that recently responded to a CryptAuth ping.
  11      * @type {Array<DeviceInfo>}
  12      * @private
  13      */
  14     reachableDevices_: {
  15       type: Array,
  16       value: null,
  17     },
  18
  19     /**
  20      * Whether the findEligibleUnlockDevices request is in progress.
  21      * @type {boolean}
  22      * @private
  23      */
  24     requestInProgress_: Boolean,
  25   },
  26
  27   /**
  28    * Called when this element is added to the DOM.
  29    */
  30   attached: function() {
  31     CryptAuthInterface.addObserver(this);
  32   },
  33
  34   /**
  35    * Called when this element is removed from the DOM.
  36    */
  37   detatched: function() {
  38     CryptAuthInterface.removeObserver(this);
  39   },
  40
  41   /**
  42    * Called when the page is about to be shown.
  43    */
  44   activate: function() {
  45     this.requestInProgress_ = true;
  46     this.reachableDevices_ = null;
  47     CryptAuthInterface.findReachableDevices();
  48   },
  49
  50   /**
  51    * Called when reachable devices are found.
  52    * @param {Array<EligibleDevice>} reachableDevices
  53    */
  54   onGotReachableDevices: function(reachableDevices) {
  55     this.requestInProgress_ = false;
  56     this.reachableDevices_ = reachableDevices;
  57   },
  58
  59   /**
  60    * Called when the CryptAuth request fails.
  61    * @param {string} errorMessage
  62    */
  63   onCryptAuthError: function(errorMessage) {
  64     console.error('CryptAuth request failed: ' + errorMessage);
  65     this.requestInProgress_ = false;
  66     this.reachableDevices_ = null;
  67   },
  68 });