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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\event;
use Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher;
use Symfony\Component\EventDispatcher\Event;
/**
* Extension of the Symfony2 EventDispatcher
*
* It provides an additional `trigger_event` method, which
* gives some syntactic sugar for dispatching events. Instead
* of creating the event object, the method will do that for
* you.
*
* Example:
*
*     $vars = array('page_title');
*     extract($phpbb_dispatcher->trigger_event('core.index', compact($vars)));
*
*/
class dispatcher extends ContainerAwareEventDispatcher implements dispatcher_interface
{
    /**
     * @var bool
     */
    protected $disabled = false;
    /**
    * {@inheritdoc}
    */
    public function trigger_event($eventName, $data = array())
    {
        $event = new \phpbb\event\data($data);
        $this->dispatch($eventName, $event);
        return $event->get_data_filtered(array_keys($data));
    }
    /**
     * {@inheritdoc}
     */
    public function dispatch($eventName, Event $event = null)
    {
        if ($this->disabled)
        {
            return $event;
        }
        foreach ((array) $eventName as $name)
        {
            $event = parent::dispatch($name, $event);
        }
        return $event;
    }
    /**
     * {@inheritdoc}
     */
    public function disable()
    {
        $this->disabled = true;
    }
    /**
     * {@inheritdoc}
     */
    public function enable()
    {
        $this->disabled = false;
    }
}