Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\system\Controller;
Chris@0: 
Chris@0: use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\Response;
Chris@0: use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
Chris@0: 
Chris@0: /**
Chris@0:  * Controller routines for batch routes.
Chris@0:  */
Chris@0: class BatchController implements ContainerInjectionInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The app root.
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   protected $root;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new BatchController.
Chris@0:    *
Chris@0:    * @param string $root
Chris@0:    *   The app root.
Chris@0:    */
Chris@0:   public function __construct($root) {
Chris@0:     $this->root = $root;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     return new static(
Chris@0:       $container->get('app.root')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns a system batch page.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpFoundation\Request $request
Chris@0:    *   The current request object.
Chris@0:    *
Chris@0:    * @return \Symfony\Component\HttpFoundation\Response|array
Chris@0:    *   A \Symfony\Component\HttpFoundation\Response object or render array.
Chris@0:    *
Chris@0:    * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
Chris@0:    */
Chris@0:   public function batchPage(Request $request) {
Chris@0:     require_once $this->root . '/core/includes/batch.inc';
Chris@0:     $output = _batch_page($request);
Chris@0: 
Chris@0:     if ($output === FALSE) {
Chris@0:       throw new AccessDeniedHttpException();
Chris@0:     }
Chris@0:     elseif ($output instanceof Response) {
Chris@0:       return $output;
Chris@0:     }
Chris@0:     elseif (isset($output)) {
Chris@0:       $title = isset($output['#title']) ? $output['#title'] : NULL;
Chris@0:       $page = [
Chris@0:         '#type' => 'page',
Chris@0:         '#title' => $title,
Chris@0:         '#show_messages' => FALSE,
Chris@0:         'content' => $output,
Chris@0:       ];
Chris@0: 
Chris@0:       // Also inject title as a page header (if available).
Chris@0:       if ($title) {
Chris@0:         $page['header'] = [
Chris@0:           '#type' => 'page_title',
Chris@0:           '#title' => $title,
Chris@0:         ];
Chris@0:       }
Chris@0: 
Chris@0:       return $page;
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * The _title_callback for the system.batch_page.normal route.
Chris@0:    *
Chris@0:    * @return string
Chris@0:    *   The page title.
Chris@0:    */
Chris@0:   public function batchPageTitle() {
Chris@0:     $current_set = _batch_current_set();
Chris@0:     return !empty($current_set['title']) ? $current_set['title'] : '';
Chris@0:   }
Chris@0: 
Chris@0: }