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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright 2019 Christoph Wurst <[email protected]> |
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* |
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* @author 2019 Christoph Wurst <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace OC\EventDispatcher; |
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use function is_callable; |
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use OCP\EventDispatcher\Event; |
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use Symfony\Component\EventDispatcher\Event as SymfonyEvent; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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class SymfonyAdapter implements EventDispatcherInterface { |
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/** @var EventDispatcher */ |
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private $eventDispatcher; |
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public function __construct(EventDispatcher $eventDispatcher) { |
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$this->eventDispatcher = $eventDispatcher; |
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} |
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/** |
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* Dispatches an event to all registered listeners. |
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* |
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* @param string $eventName The name of the event to dispatch. The name of |
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* the event is the name of the method that is |
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* invoked on listeners. |
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* @param SymfonyEvent|null $event The event to pass to the event handlers/listeners |
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* If not supplied, an empty Event instance is created |
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* |
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* @return SymfonyEvent |
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*/ |
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public function dispatch($eventName, SymfonyEvent $event = null) { |
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if ($event instanceof Event) { |
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$this->eventDispatcher->dispatch($eventName, $event); |
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} else { |
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// Legacy event |
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$this->eventDispatcher->getSymfonyDispatcher()->dispatch($eventName, $event); |
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} |
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} |
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/** |
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* Adds an event listener that listens on the specified events. |
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* |
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* @param string $eventName The event to listen on |
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* @param callable $listener The listener |
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* @param int $priority The higher this value, the earlier an event |
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* listener will be triggered in the chain (defaults to 0) |
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*/ |
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public function addListener($eventName, $listener, $priority = 0) { |
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if (is_callable($listener)) { |
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$this->eventDispatcher->addListener($eventName, $listener, $priority); |
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} else { |
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// Legacy listener |
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$this->eventDispatcher->getSymfonyDispatcher()->addListener($eventName, $listener, $priority); |
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} |
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} |
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/** |
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* Adds an event subscriber. |
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* |
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* The subscriber is asked for all the events it is |
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* interested in and added as a listener for these events. |
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*/ |
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public function addSubscriber(EventSubscriberInterface $subscriber) { |
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$this->eventDispatcher->getSymfonyDispatcher()->addSubscriber($subscriber); |
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} |
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/** |
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* Removes an event listener from the specified events. |
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* |
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* @param string $eventName The event to remove a listener from |
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* @param callable $listener The listener to remove |
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*/ |
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public function removeListener($eventName, $listener) { |
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$this->eventDispatcher->getSymfonyDispatcher()->removeListener($eventName, $listener); |
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} |
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public function removeSubscriber(EventSubscriberInterface $subscriber) { |
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$this->eventDispatcher->getSymfonyDispatcher()->removeSubscriber($subscriber); |
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} |
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/** |
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* Gets the listeners of a specific event or all listeners sorted by descending priority. |
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* |
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* @param string|null $eventName The name of the event |
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* |
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* @return array The event listeners for the specified event, or all event listeners by event name |
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*/ |
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public function getListeners($eventName = null) { |
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return $this->eventDispatcher->getSymfonyDispatcher()->getListeners($eventName); |
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} |
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/** |
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* Gets the listener priority for a specific event. |
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* |
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* Returns null if the event or the listener does not exist. |
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* |
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* @param string $eventName The name of the event |
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* @param callable $listener The listener |
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* |
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* @return int|null The event listener priority |
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*/ |
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public function getListenerPriority($eventName, $listener) { |
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return $this->eventDispatcher->getSymfonyDispatcher()->getListenerPriority($eventName, $listener); |
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} |
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/** |
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* Checks whether an event has any registered listeners. |
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* |
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* @param string|null $eventName The name of the event |
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* |
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* @return bool true if the specified event has any listeners, false otherwise |
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*/ |
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public function hasListeners($eventName = null) { |
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return $this->eventDispatcher->getSymfonyDispatcher()->hasListeners($eventName); |
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} |
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} |
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nextcloud /
server
