use OCP\EventDispatcher\Event over Symfony's deprecated Event

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

apps/dav/tests/unit/Comments/RootCollectionTest.php

@@ -25,6 +25,8 @@
 
 namespace OCA\DAV\Tests\unit\Comments;
 
+use OC\EventDispatcher\EventDispatcher;
+use OC\EventDispatcher\SymfonyAdapter;
 use OCA\DAV\Comments\EntityTypeCollection as EntityTypeCollectionImplementation;
 use OCP\Comments\CommentsEntityEvent;
 use OCP\Comments\ICommentsManager;
@@ -32,7 +34,7 @@ use OCP\ILogger;
 use OCP\IUser;
 use OCP\IUserManager;
 use OCP\IUserSession;
-use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
 class RootCollectionTest extends \Test\TestCase {
 
@@ -46,7 +48,7 @@ class RootCollectionTest extends \Test\TestCase {
 	protected $collection;
 	/** @var \OCP\IUserSession|\PHPUnit_Framework_MockObject_MockObject */
 	protected $userSession;
-	/** @var \Symfony\Component\EventDispatcher\EventDispatcherInterface */
+	/** @var EventDispatcherInterface */
 	protected $dispatcher;
 	/** @var \OCP\IUser|\PHPUnit_Framework_MockObject_MockObject */
 	protected $user;
@@ -67,10 +69,17 @@ class RootCollectionTest extends \Test\TestCase {
 		$this->userSession = $this->getMockBuilder(IUserSession::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$this->dispatcher = new EventDispatcher();
 		$this->logger = $this->getMockBuilder(ILogger::class)
 			->disableOriginalConstructor()
 			->getMock();
+		$this->dispatcher = new SymfonyAdapter(
+			new EventDispatcher(
+				new \Symfony\Component\EventDispatcher\EventDispatcher(),
+				\OC::$server,
+				$this->logger
+			),
+			$this->logger
+		);
 
 		$this->collection = new \OCA\DAV\Comments\RootCollection(
 			$this->commentsManager,

apps/files_trashbin/lib/Events/MoveToTrashEvent.php

@@ -26,7 +26,7 @@ namespace OCA\Files_Trashbin\Events;
 
 
 use OCP\Files\Node;
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class MoveToTrashEvent

apps/files_versions/lib/Events/CreateVersionEvent.php

@@ -24,10 +24,8 @@
 
 namespace OCA\Files_Versions\Events;
 
-
 use OCP\Files\Node;
-use Symfony\Component\EventDispatcher\Event;
-
+use OCP\EventDispatcher\Event;
 
 /**
  * Class CreateVersionEvent

apps/twofactor_backupcodes/tests/Unit/Migration/CheckBackupCodeTest.php

@@ -23,15 +23,9 @@ declare(strict_types=1);
 
 namespace OCA\TwoFactorBackupCodes\Tests\Unit\Migration;
 
-use OCA\TwoFactorBackupCodes\Event\CodesGenerated;
-use OCA\TwoFactorBackupCodes\Listener\RegistryUpdater;
 use OCA\TwoFactorBackupCodes\Migration\CheckBackupCodes;
-use OCA\TwoFactorBackupCodes\Provider\BackupCodesProvider;
-use OCP\Authentication\TwoFactorAuth\IRegistry;
 use OCP\BackgroundJob\IJobList;
-use OCP\IUser;
 use OCP\Migration\IOutput;
-use Symfony\Component\EventDispatcher\Event;
 use Test\TestCase;
 
 class CheckBackupCodeTest extends TestCase {

lib/private/EventDispatcher/SymfonyAdapter.php

@@ -25,9 +25,9 @@ declare(strict_types=1);
 
 namespace OC\EventDispatcher;
 
+use OCP\ILogger;
 use function is_callable;
 use OCP\EventDispatcher\Event;
-use Symfony\Component\EventDispatcher\Event as SymfonyEvent;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
@@ -35,9 +35,12 @@ class SymfonyAdapter implements EventDispatcherInterface {
 
 	/** @var EventDispatcher */
 	private $eventDispatcher;
+	/** @var ILogger */
+	private $logger;
 
-	public function __construct(EventDispatcher $eventDispatcher) {
+	public function __construct(EventDispatcher $eventDispatcher, ILogger $logger) {
 		$this->eventDispatcher = $eventDispatcher;
+		$this->logger = $logger;
 	}
 
 	/**
@@ -46,16 +49,21 @@ class SymfonyAdapter implements EventDispatcherInterface {
 	 * @param string $eventName The name of the event to dispatch. The name of
 	 *                              the event is the name of the method that is
 	 *                              invoked on listeners.
-	 * @param SymfonyEvent|null $event The event to pass to the event handlers/listeners
+	 * @param Event|null $event The event to pass to the event handlers/listeners
 	 *                              If not supplied, an empty Event instance is created
 	 *
-	 * @return SymfonyEvent
+	 * @return void
 	 */
-	public function dispatch($eventName, SymfonyEvent $event = null) {
+	public function dispatch($eventName, $event = null) {
+		// type hinting is not possible, due to usage of GenericEvent
 		if ($event instanceof Event) {
 			$this->eventDispatcher->dispatch($eventName, $event);
 		} else {
 			// Legacy event
+			$this->logger->info(
+				'Deprecated event type for {name}: {class}',
+				[ 'name' => $eventName, 'class' => is_object($event) ? get_class($event) : 'null' ]
+			);
 			$this->eventDispatcher->getSymfonyDispatcher()->dispatch($eventName, $event);
 		}
 	}

lib/private/Files/Cache/AbstractCacheEvent.php

@@ -23,7 +23,7 @@ namespace OC\Files\Cache;
 
 use OCP\Files\Cache\ICacheEvent;
 use OCP\Files\Storage\IStorage;
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 class AbstractCacheEvent extends Event implements ICacheEvent {
 	protected $storage;

lib/public/App/ManagerEvent.php

@@ -23,7 +23,7 @@
 
 namespace OCP\App;
 
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class ManagerEvent

lib/public/Comments/CommentsEntityEvent.php

@@ -22,7 +22,7 @@
 
 namespace OCP\Comments;
 
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class CommentsEntityEvent

lib/public/Comments/CommentsEvent.php

@@ -23,7 +23,7 @@
 
 namespace OCP\Comments;
 
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class CommentsEvent

lib/public/Console/ConsoleEvent.php

@@ -22,7 +22,7 @@
 
 namespace OCP\Console;
 
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class ConsoleEvent

lib/public/SabrePluginEvent.php

@@ -26,7 +26,7 @@ namespace OCP;
 
 use OCP\AppFramework\Http;
 use Sabre\DAV\Server;
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * @since 8.2.0

lib/public/SystemTag/ManagerEvent.php

@@ -24,7 +24,7 @@ declare(strict_types=1);
 
 namespace OCP\SystemTag;
 
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class ManagerEvent

lib/public/SystemTag/MapperEvent.php

@@ -23,7 +23,7 @@ declare(strict_types=1);
 
 namespace OCP\SystemTag;
 
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class MapperEvent

lib/public/SystemTag/SystemTagsEntityEvent.php

@@ -23,7 +23,7 @@ declare(strict_types=1);
 
 namespace OCP\SystemTag;
 
-use Symfony\Component\EventDispatcher\Event;
+use OCP\EventDispatcher\Event;
 
 /**
  * Class SystemTagsEntityEvent