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nextcloud_server/lib/private/EventDispatcher/EventDispatcher.php
Maxence Lange 2232753b99 add hasListeners()
Signed-off-by: Maxence Lange <maxence@artificial-owl.com>
2024-02-14 14:02:28 -01:00

108 lines
3.1 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @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 OC\Broadcast\Events\BroadcastEvent;
use OC\Log;
use OCP\Broadcast\Events\IBroadcastEvent;
use OCP\EventDispatcher\ABroadcastedEvent;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\IServerContainer;
use Psr\Log\LoggerInterface;
use Symfony\Component\EventDispatcher\EventDispatcher as SymfonyDispatcher;
use function get_class;
class EventDispatcher implements IEventDispatcher {
public function __construct(
private SymfonyDispatcher $dispatcher,
private IServerContainer $container,
private LoggerInterface $logger,
) {
// inject the event dispatcher into the logger
// this is done here because there is a cyclic dependency between the event dispatcher and logger
if ($this->logger instanceof Log || $this->logger instanceof Log\PsrLoggerAdapter) {
$this->logger->setEventDispatcher($this);
}
}
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 hasListeners(string $eventName): bool {
return $this->dispatcher->hasListeners($eventName);
}
/**
* @deprecated
*/
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
* @deprecated 20.0.0
*/
public function getSymfonyDispatcher(): SymfonyDispatcher {
return $this->dispatcher;
}
}