/**
  * {@inheritdoc}
  *
  * The listener can be a string of 'Class:method' or just 'Class'. If no
  * method is provided, the method 'handle' is used.
  */
 public function addListener($name, $listener, $priority = 0)
 {
     if (is_string($listener) && !is_callable($listener)) {
         $listener = [$listener, 'handle'];
     }
     if (is_array($listener) && is_string($listener[0])) {
         list($class, $method) = $listener;
         $listener = function ($event) use($class, $method) {
             return $this->resolver->resolve($class)->{$method}($event);
         };
     }
     parent::addListener($name, $listener, $priority);
 }