--- /dev/null
+<?php
+
+namespace Drupal\file_test;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\file\FileAccessFormatterControlHandlerInterface;
+use Drupal\file\FileAccessControlHandler;
+
+/**
+ * Defines a class for an alternate file access control handler.
+ */
+class FileTestAccessControlHandler extends FileAccessControlHandler implements FileAccessFormatterControlHandlerInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
+ \Drupal::state()->set('file_access_formatter_check', TRUE);
+ return parent::checkAccess($entity, $operation, $account);
+ }
+
+}