Automatic unbinding on $scope.$destroy for $rootScope listeners

listeners.js

/*!
 * $rootScope listeners, remember to unbind on $destroy
 */
var $rootListeners = {
  'transmitProgress': $rootScope.$on('transmit:progress', transmitProgress),
  'transmitSuccess': $rootScope.$on('transmit:success', transmitSuccess),
  'transmitError': $rootScope.$on('transmit:error', transmitError)
};

// iterate the Object and pass the methods to be called on $destroy
for (var unbind in $rootListeners) {
  $scope.$on('$destroy', $rootListeners[unbind]);
}