nextcloud/lib/private/EventDispatcher/EventDispatcher.php

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<?php
declare(strict_types=1);
/**
* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\EventDispatcher;
use function get_class;
use OC\Broadcast\Events\BroadcastEvent;
use OCP\Broadcast\Events\IBroadcastEvent;
use OCP\EventDispatcher\ABroadcastedEvent;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\IContainer;
use OCP\ILogger;
use OCP\IServerContainer;
use Symfony\Component\EventDispatcher\EventDispatcher as SymfonyDispatcher;
class EventDispatcher implements IEventDispatcher {
/** @var SymfonyDispatcher */
private $dispatcher;
/** @var IContainer */
private $container;
/** @var ILogger */
private $logger;
public function __construct(SymfonyDispatcher $dispatcher,
IServerContainer $container,
ILogger $logger) {
$this->dispatcher = $dispatcher;
$this->container = $container;
$this->logger = $logger;
}
public function addListener(string $eventName,
callable $listener,
int $priority = 0): void {
$this->dispatcher->addListener($eventName, $listener, $priority);
}
public function removeListener(string $eventName,
callable $listener): void {
$this->dispatcher->removeListener($eventName, $listener);
}
public function addServiceListener(string $eventName,
string $className,
int $priority = 0): void {
$listener = new ServiceEventListener(
$this->container,
$className,
$this->logger
);
$this->addListener($eventName, $listener, $priority);
}
public function dispatch(string $eventName,
Event $event): void {
$this->dispatcher->dispatch($event, $eventName);
if ($event instanceof ABroadcastedEvent && !$event->isPropagationStopped()) {
// Propagate broadcast
$this->dispatch(
IBroadcastEvent::class,
new BroadcastEvent($event)
);
}
}
public function dispatchTyped(Event $event): void {
$this->dispatch(get_class($event), $event);
}
/**
* @return SymfonyDispatcher
*/
public function getSymfonyDispatcher(): SymfonyDispatcher {
return $this->dispatcher;
}
}