AbstractHasDispatcher.php

<?php

namespace Guzzle\Common;

use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Class that holds an event dispatcher
 */
class AbstractHasDispatcher implements HasDispatcherInterface {

  /**
   * @var EventDispatcherInterface
   */
  protected $eventDispatcher;

  /**
   * {@inheritdoc}
   */
  public static function getAllEvents() {
    return array();
  }

  /**
   * {@inheritdoc}
   */
  public function setEventDispatcher(EventDispatcherInterface $eventDispatcher) {
    $this->eventDispatcher = $eventDispatcher;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function getEventDispatcher() {
    if (!$this->eventDispatcher) {
      $this->eventDispatcher = new EventDispatcher();
    }
    return $this->eventDispatcher;
  }

  /**
   * {@inheritdoc}
   */
  public function dispatch($eventName, array $context = array()) {
    $this
      ->getEventDispatcher()
      ->dispatch($eventName, new Event($context));
  }

  /**
   * {@inheritdoc}
   */
  public function addSubscriber(EventSubscriberInterface $subscriber) {
    $this
      ->getEventDispatcher()
      ->addSubscriber($subscriber);
    return $this;
  }

}