Use Symfony's new contract Event class instead of the deprecated one

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

3 files changed, 18 insertions, 2 deletions

diff --git a/lib/public/EventDispatcher/Event.php b/lib/public/EventDispatcher/Event.php
index 7f8554d7a86..368f352292e 100644
--- a/lib/public/EventDispatcher/Event.php
+++ b/lib/public/EventDispatcher/Event.php
@@ -25,7 +25,7 @@ declare(strict_types=1);
 
 namespace OCP\EventDispatcher;
 
-use Symfony\Component\EventDispatcher\GenericEvent;
+use Symfony\Contracts\EventDispatcher\Event as SymfonyEvent;
 
 /**
  * Base event class for the event dispatcher service
@@ -35,6 +35,20 @@ use Symfony\Component\EventDispatcher\GenericEvent;
  *
  * @since 17.0.0
  */
-class Event extends GenericEvent {
+class Event extends SymfonyEvent {
+
+	/**
+	 * Compatibility constructor
+	 *
+	 * In Nextcloud 17.0.0 this event class used a now deprecated/removed Symfony base
+	 * class that had a constructor (with default arguments). To lower the risk of
+	 * a breaking change (PHP won't allow parent constructor calls if there is none),
+	 * this empty constructor's only purpose is to hopefully not break existing sub-
+	 * classes of this class.
+	 *
+	 * @since 18.0.0
+	 */
+	public function __construct() {
+	}
 
 }
diff --git a/lib/public/Security/CSP/AddContentSecurityPolicyEvent.php b/lib/public/Security/CSP/AddContentSecurityPolicyEvent.php
index 9bf1d57e77e..9c48f4038d8 100644
--- a/lib/public/Security/CSP/AddContentSecurityPolicyEvent.php
+++ b/lib/public/Security/CSP/AddContentSecurityPolicyEvent.php
@@ -40,6 +40,7 @@ class AddContentSecurityPolicyEvent extends Event {
 	 * @since 17.0.0
 	 */
 	public function __construct(ContentSecurityPolicyManager $policyManager) {
+		parent::__construct();
 		$this->policyManager = $policyManager;
 	}
 
diff --git a/lib/public/Security/FeaturePolicy/AddFeaturePolicyEvent.php b/lib/public/Security/FeaturePolicy/AddFeaturePolicyEvent.php
index ab93844c3f8..e840f910769 100644
--- a/lib/public/Security/FeaturePolicy/AddFeaturePolicyEvent.php
+++ b/lib/public/Security/FeaturePolicy/AddFeaturePolicyEvent.php
@@ -40,6 +40,7 @@ class AddFeaturePolicyEvent extends Event {
 	 * @since 17.0.0
 	 */
 	public function __construct(FeaturePolicyManager $policyManager) {
+		parent::__construct();
 		$this->policyManager = $policyManager;
 	}