RegisterListenersChecker

Author: Fedik

libraries/src/Event/RegisterListenersCheckerInterface.php

@@ -18,7 +18,7 @@
  *
  * @since  __DEPLOY_VERSION__
  */
-interface RegisterListenersCheckerInterface
+interface SubscriberRegistrationCheckerInterface
 {
     /**
      * Check whether the Subscriber (or event listener) should be registered.

libraries/src/Plugin/PluginHelper.php

@@ -10,7 +10,7 @@
 namespace Joomla\CMS\Plugin;
 
 use Joomla\CMS\Cache\Exception\CacheExceptionInterface;
-use Joomla\CMS\Event\RegisterListenersCheckerInterface;
+use Joomla\CMS\Event\SubscriberRegistrationCheckerInterface;
 use Joomla\CMS\Factory;
 use Joomla\Event\DispatcherAwareInterface;
 use Joomla\Event\DispatcherInterface;
@@ -241,7 +241,7 @@ protected static function import($plugin, $autocreate = true, DispatcherInterfac
         }
 
         // Check whether we should register the subscriber in current runtime
-        if ($plugin instanceof RegisterListenersCheckerInterface && !$plugin->shouldRegisterListeners()) {
+        if ($plugin instanceof SubscriberRegistrationCheckerInterface && !$plugin->shouldRegisterListeners()) {
             dump($plugin);
             return;
         }

plugins/system/guidedtours/services/provider.php

@@ -39,7 +39,6 @@ function (Container $container) {
                 $plugin = new GuidedTours(
                     $container->get(DispatcherInterface::class),
                     (array) PluginHelper::getPlugin('system', 'guidedtours'),
-                    $app->isClient('administrator')
                 );
 
                 $plugin->setApplication($app);

plugins/system/guidedtours/src/Extension/GuidedTours.php

@@ -10,13 +10,13 @@
 
 namespace Joomla\Plugin\System\GuidedTours\Extension;
 
+use Joomla\CMS\Event\SubscriberRegistrationCheckerInterface;
 use Joomla\CMS\Language\Text;
 use Joomla\CMS\Object\CMSObject;
 use Joomla\CMS\Plugin\CMSPlugin;
 use Joomla\CMS\Session\Session;
 use Joomla\Component\Guidedtours\Administrator\Extension\GuidedtoursComponent;
 use Joomla\Component\Guidedtours\Administrator\Model\TourModel;
-use Joomla\Event\DispatcherInterface;
 use Joomla\Event\Event;
 use Joomla\Event\SubscriberInterface;
 
@@ -29,7 +29,7 @@
  *
  * @since  4.3.0
  */
-final class GuidedTours extends CMSPlugin implements SubscriberInterface
+final class GuidedTours extends CMSPlugin implements SubscriberInterface, SubscriberRegistrationCheckerInterface
 {
     /**
      * A mapping for the step types
@@ -59,43 +59,30 @@ final class GuidedTours extends CMSPlugin implements SubscriberInterface
     ];
 
     /**
-     * An internal flag whether plugin should listen any event.
-     *
-     * @var bool
-     *
-     * @since   4.3.0
-     */
-    protected static $enabled = false;
-
-    /**
-     * Constructor
+     * function for getSubscribedEvents : new Joomla 4 feature
      *
-     * @param   DispatcherInterface  $dispatcher  The object to observe
-     * @param   array                $config      An optional associative array of configuration settings.
-     * @param   boolean              $enabled     An internal flag whether plugin should listen any event.
+     * @return array
      *
      * @since   4.3.0
      */
-    public function __construct(DispatcherInterface $dispatcher, array $config = [], bool $enabled = false)
+    public static function getSubscribedEvents(): array
     {
-        self::$enabled = $enabled;
-
-        parent::__construct($dispatcher, $config);
+        return [
+            'onAjaxGuidedtours'   => 'startTour',
+            'onBeforeCompileHead' => 'onBeforeCompileHead',
+        ];
     }
 
     /**
-     * function for getSubscribedEvents : new Joomla 4 feature
+     * Check whether the Subscriber should be registered.
      *
-     * @return array
+     * @return bool
      *
-     * @since   4.3.0
+     * @since  __DEPLOY_VERSION__
      */
-    public static function getSubscribedEvents(): array
+    public function shouldRegisterListeners(): bool
     {
-        return self::$enabled ? [
-            'onAjaxGuidedtours'   => 'startTour',
-            'onBeforeCompileHead' => 'onBeforeCompileHead',
-        ] : [];
+        return $this->getApplication()->isClient('administrator');
     }
 
     /**