Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\EventDispatcher;
Chris@0: 
Chris@0: /**
Chris@17:  * An EventSubscriber knows itself what events it is interested in.
Chris@0:  * If an EventSubscriber is added to an EventDispatcherInterface, the manager invokes
Chris@0:  * {@link getSubscribedEvents} and registers the subscriber as a listener for all
Chris@0:  * returned events.
Chris@0:  *
Chris@0:  * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
Chris@0:  * @author Jonathan Wage <jonwage@gmail.com>
Chris@0:  * @author Roman Borschel <roman@code-factory.org>
Chris@0:  * @author Bernhard Schussek <bschussek@gmail.com>
Chris@0:  */
Chris@0: interface EventSubscriberInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * Returns an array of event names this subscriber wants to listen to.
Chris@0:      *
Chris@0:      * The array keys are event names and the value can be:
Chris@0:      *
Chris@0:      *  * The method name to call (priority defaults to 0)
Chris@0:      *  * An array composed of the method name to call and the priority
Chris@0:      *  * An array of arrays composed of the method names to call and respective
Chris@0:      *    priorities, or 0 if unset
Chris@0:      *
Chris@0:      * For instance:
Chris@0:      *
Chris@17:      *  * ['eventName' => 'methodName']
Chris@17:      *  * ['eventName' => ['methodName', $priority]]
Chris@17:      *  * ['eventName' => [['methodName1', $priority], ['methodName2']]]
Chris@0:      *
Chris@0:      * @return array The event names to listen to
Chris@0:      */
Chris@0:     public static function getSubscribedEvents();
Chris@0: }