LegacyMimeTypeMapLoadedSubscriber.php

<?php

declare (strict_types=1);
namespace Drupal\Core\File\EventSubscriber;

use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\File\Event\MimeTypeMapLoadedEvent;
use Drupal\Core\File\MimeType\MimeTypeMap;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Modifies the MIME type map by calling hook_file_mimetype_mapping_alter().
 *
 * This event subscriber provides BC support for the deprecated
 * hook_file_mimetype_mapping_alter() and will be removed in drupal:12.0.0.
 *
 * @internal
 *
 * @see https://www.drupal.org/node/3494040
 */
final class LegacyMimeTypeMapLoadedSubscriber implements EventSubscriberInterface {
    public function __construct(ModuleHandlerInterface $moduleHandler) {
    }
    
    /**
     * Handle the event by calling deprecated hook_file_mimetype_mapping_alter().
     */
    public function onMimeTypeMapLoaded(MimeTypeMapLoadedEvent $event) : void {
        if (!$event->map instanceof MimeTypeMap) {
            return;
        }
        // @phpstan-ignore-next-line method.deprecated
        $mapping = $event->map
            ->getMapping();
        $this->moduleHandler
            ->alterDeprecated('This hook is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. Implement a \\Drupal\\Core\\File\\Event\\MimeTypeMapLoadedEvent listener instead. See https://www.drupal.org/node/3494040', 'file_mimetype_mapping', $mapping);
        // @phpstan-ignore-next-line method.deprecated
        $event->map
            ->setMapping($mapping);
    }
    
    /**
     * {@inheritdoc}
     */
    public static function getSubscribedEvents() : array {
        return [
            MimeTypeMapLoadedEvent::class => 'onMimeTypeMapLoaded',
        ];
    }

}