source : navigator-geolocation.js 

  1. /**
  2.  * @ngdoc service
  3.  * @name NavigatorGeolocation
  4.  * @description
  5.  *  Provides [defered/promise API](https://docs.angularjs.org/api/ng/service/$q)
  6.  *  service for navigator.geolocation methods
  7.  */
  8. /* global google */
  9. (function() {
  10.   'use strict';
  11.   var $q;
  12.   /**
  13.    * @memberof NavigatorGeolocation
  14.    * @param {Object} geoLocationOptions the navigator geolocations options.
  15.    *  i.e. { maximumAge: 3000, timeout: 5000, enableHighAccuracy: true }.
  16.    *  If none specified, { timeout: 5000 }. 
  17.    *  If timeout not specified, timeout: 5000 added
  18.    * @param {function} success success callback function
  19.    * @param {function} failure failure callback function
  20.    * @example
  21.    * ```
  22.    *  NavigatorGeolocation.getCurrentPosition()
  23.    *    .then(function(position) {
  24.    *      var lat = position.coords.latitude, lng = position.coords.longitude;
  25.    *      .. do something lat and lng
  26.    *    });
  27.    * ```
  28.    * @returns {HttpPromise} Future object
  29.    */
  30.   var getCurrentPosition = function(geoLocationOptions) {
  31.     var deferred = $q.defer();
  32.     if (navigator.geolocation) {
  33.       if (geoLocationOptions === undefined) {
  34.         geoLocationOptions = { timeout: 5000 };
  35.       }
  36.       else if (geoLocationOptions.timeout === undefined) {
  37.         geoLocationOptions.timeout = 5000;
  38.       }
  39.       navigator.geolocation.getCurrentPosition(
  40.         function(position) {
  41.           deferred.resolve(position);
  42.         }, function(evt) {
  43.           console.error(evt);
  44.           deferred.reject(evt);
  45.         },
  46.         geoLocationOptions
  47.       );
  48.     } else {
  49.       deferred.reject("Browser Geolocation service failed.");
  50.     }
  51.     return deferred.promise;
  52.   };
  53.   var NavigatorGeolocation = function(_$q_) {
  54.     $q = _$q_;
  55.     return {
  56.       getCurrentPosition: getCurrentPosition
  57.     };
  58.   };
  59.   NavigatorGeolocation.$inject = ['$q'];
  60.   angular.module('ngMap').
  61.     service('NavigatorGeolocation', NavigatorGeolocation);
  62. })();