annotate core/lib/Drupal/Core/EventSubscriber/HtmlResponseSubscriber.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
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Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\Core\EventSubscriber;
Chris@0 4
Chris@0 5 use Drupal\Core\Render\HtmlResponse;
Chris@0 6 use Drupal\Core\Render\AttachmentsResponseProcessorInterface;
Chris@0 7 use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
Chris@0 8 use Symfony\Component\HttpKernel\KernelEvents;
Chris@0 9 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0 10
Chris@0 11 /**
Chris@0 12 * Response subscriber to handle HTML responses.
Chris@0 13 */
Chris@0 14 class HtmlResponseSubscriber implements EventSubscriberInterface {
Chris@0 15
Chris@0 16 /**
Chris@0 17 * The HTML response attachments processor service.
Chris@0 18 *
Chris@0 19 * @var \Drupal\Core\Render\AttachmentsResponseProcessorInterface
Chris@0 20 */
Chris@0 21 protected $htmlResponseAttachmentsProcessor;
Chris@0 22
Chris@0 23 /**
Chris@0 24 * Constructs a HtmlResponseSubscriber object.
Chris@0 25 *
Chris@0 26 * @param \Drupal\Core\Render\AttachmentsResponseProcessorInterface $html_response_attachments_processor
Chris@0 27 * The HTML response attachments processor service.
Chris@0 28 */
Chris@0 29 public function __construct(AttachmentsResponseProcessorInterface $html_response_attachments_processor) {
Chris@0 30 $this->htmlResponseAttachmentsProcessor = $html_response_attachments_processor;
Chris@0 31 }
Chris@0 32
Chris@0 33 /**
Chris@0 34 * Processes attachments for HtmlResponse responses.
Chris@0 35 *
Chris@0 36 * @param \Symfony\Component\HttpKernel\Event\FilterResponseEvent $event
Chris@0 37 * The event to process.
Chris@0 38 */
Chris@0 39 public function onRespond(FilterResponseEvent $event) {
Chris@0 40 $response = $event->getResponse();
Chris@0 41 if (!$response instanceof HtmlResponse) {
Chris@0 42 return;
Chris@0 43 }
Chris@0 44
Chris@0 45 $event->setResponse($this->htmlResponseAttachmentsProcessor->processAttachments($response));
Chris@0 46 }
Chris@0 47
Chris@0 48 /**
Chris@0 49 * {@inheritdoc}
Chris@0 50 */
Chris@0 51 public static function getSubscribedEvents() {
Chris@0 52 $events[KernelEvents::RESPONSE][] = ['onRespond'];
Chris@0 53 return $events;
Chris@0 54 }
Chris@0 55
Chris@0 56 }