Sends event when online status is changed and switches between $http and localstorage

Angular-online-offline-switch.js

angular.module('myApp').run(function($rootScope) {
  window.addEventListener("online", function () {
        $rootScope.$broadcast('onlineChanged', true);

    }, true);

    window.addEventListener("offline", function () {
        $rootScope.$broadcast('onlineChanged', false);
    }, true);
});

angular.module('myApp').factory('storage', function($rootScope, $http, LocalStorage) {
  var currentStorage;
  $rootScope.$on('onlineChanged', function(evt, isOnline) {
    currentStorage = isOnline ? $http : LocalStorage
  });
});