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<?php |
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namespace Itkg\DelayEventBundle\EventDispatcher; |
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use Itkg\DelayEventBundle\Event\DelayableEvent; |
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use Itkg\DelayEventBundle\Event\DelayableEvents; |
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use Symfony\Component\EventDispatcher\Event; |
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use Itkg\DelayEventBundle\Model\Event as DelayEvent; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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/** |
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* class DelayEventDispatcher |
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*/ |
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class DelayEventDispatcher implements EventDispatcherInterface |
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{ |
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/** |
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* @var array |
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*/ |
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private $eligibleEventNames = array(); |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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private $dispatcher; |
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/** |
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* @param EventDispatcherInterface $dispatcher |
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* @param array $eligibleEventNames |
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*/ |
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public function __construct(EventDispatcherInterface $dispatcher, array $eligibleEventNames) |
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{ |
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$this->dispatcher = $dispatcher; |
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$this->eligibleEventNames = $eligibleEventNames; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function dispatch($eventName, Event $event = null) |
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{ |
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if (!$event instanceof DelayEvent) { |
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return $event; |
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} |
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if ($this->isEventEligible($eventName, $event)) { |
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$event->setOriginalName($eventName); |
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// Override event name to dispatch a delayed event |
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$event = new DelayableEvent($event); |
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$eventName = DelayableEvents::DELAY; |
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} |
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$this->dispatcher->dispatch($eventName, $event); |
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return $event; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function addListener($eventName, $listener, $priority = 0) |
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{ |
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$this->dispatcher->addListener($eventName, $listener, $priority); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function addSubscriber(EventSubscriberInterface $subscriber) |
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{ |
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$this->dispatcher->addSubscriber($subscriber); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function removeListener($eventName, $listener) |
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{ |
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$this->dispatcher->removeListener($eventName, $listener); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function removeSubscriber(EventSubscriberInterface $subscriber) |
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{ |
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$this->dispatcher->removeSubscriber($subscriber); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getListeners($eventName = null) |
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{ |
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return $this->dispatcher->getListeners($eventName); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function hasListeners($eventName = null) |
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{ |
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return $this->dispatcher->hasListeners($eventName); |
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} |
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/** |
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* Proxies all method calls to the original event dispatcher. |
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* |
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* @param string $method The method name |
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* @param array $arguments The method arguments |
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* |
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* @return mixed |
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*/ |
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public function __call($method, $arguments) |
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{ |
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return call_user_func_array(array($this->dispatcher, $method), $arguments); |
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} |
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/** |
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* @param String $eventName |
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* @param DelayEvent $event |
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* |
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* @return bool |
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*/ |
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private function isEventEligible($eventName, DelayEvent $event) |
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{ |
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return $event->isDelayed() && in_array($eventName, $this->eligibleEventNames); |
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} |
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} |
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