components/proximity_auth/webui/resources/cryptauth_interface.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 /**
   6  * Responsible for interfacing with the native component of the WebUI to make
   7  * CryptAuth API requests and handling the responses.
   8  */
   9 CryptAuthInterface = {
  10   /**
  11    * A list of observers of CryptAuth events.
  12    */
  13   observers_: [],
  14
  15   /**
  16    * Adds an observer.
  17    */
  18   addObserver: function(observer) {
  19     CryptAuthInterface.observers_.push(observer);
  20   },
  21
  22   /**
  23    * Removes an observer.
  24    */
  25   removeObserver: function(observer) {
  26     CryptAuthInterface.observers_.remove(observer);
  27   },
  28
  29   /**
  30    * Starts the findEligibleUnlockDevices API call.
  31    */
  32   findEligibleUnlockDevices: function() {
  33     chrome.send('findEligibleUnlockDevices');
  34   },
  35
  36   /**
  37    * Called by the browser when the API request fails.
  38    */
  39   onError: function(errorMessage) {
  40     CryptAuthInterface.observers_.forEach(function(observer) {
  41       if (observer.onCryptAuthError != null)
  42         observer.onCryptAuthError(errorMessage);
  43     });
  44   },
  45
  46   /**
  47    * Called by the browser when a findEligibleUnlockDevices completes
  48    * successfully.
  49    */
  50   onGotEligibleDevices: function(eligibleDevices, ineligibleDevices) {
  51     CryptAuthInterface.observers_.forEach(function(observer) {
  52       if (observer.onGotEligibleDevices != null)
  53         observer.onGotEligibleDevices(eligibleDevices, ineligibleDevices);
  54     });
  55   }
  56 };