class MediaLibraryTestHooks

class MediaLibraryTestHooks {
  
  /**
   * Implements hook_ENTITY_TYPE_create_access().
   */
  public function mediaCreateAccess(AccountInterface $account, array $context, $entity_bundle) : AccessResultInterface {
    if (isset($context['media_library_state'])) {
      /** @var \Drupal\media_library\MediaLibraryState $state */
      $state = $context['media_library_state'];
      return AccessResult::forbiddenIf($state->getSelectedTypeId() === 'deny_access');
    }
    return AccessResult::neutral();
  }
  
  /**
   * Implements hook_entity_field_access().
   */
  public function entityFieldAccess($operation, FieldDefinitionInterface $field_definition, AccountInterface $account, ?FieldItemListInterface $items = NULL) : AccessResultInterface {
    $deny_fields = \Drupal::state()->get('media_library_test_entity_field_access_deny_fields', []);
    // Always deny the field_media_no_access field.
    $deny_fields[] = 'field_media_no_access';
    return AccessResult::forbiddenIf(in_array($field_definition->getName(), $deny_fields, TRUE), 'Field access denied by test module');
  }
  
  /**
   * Implements hook_entity_type_alter().
   */
  public function entityTypeAlter(array &$entity_types) : void {
    if (isset($entity_types['node'])) {
      $entity_types['node']->setFormClass('default', TestNodeFormOverride::class);
      $entity_types['node']->setFormClass('edit', TestNodeFormOverride::class);
    }
  }
  
  /**
   * Implements hook_field_widget_info_alter().
   */
  public function fieldWidgetInfoAlter(array &$info) : void {
    $info['media_library_widget']['field_types'][] = 'entity_reference_subclass';
  }

}