Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\EventSubscriber;
Chris@0: 
Chris@0: use Drupal\Core\Extension\ModuleHandlerInterface;
Chris@0: use Symfony\Component\HttpKernel\KernelEvents;
Chris@0: use Symfony\Component\HttpKernel\Event\PostResponseEvent;
Chris@0: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Subscriber for all responses.
Chris@0:  */
Chris@0: class RequestCloseSubscriber implements EventSubscriberInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * @var \Drupal\Core\Extension\ModuleHandlerInterface
Chris@0:    */
Chris@0:   protected $moduleHandler;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new RequestCloseSubscriber instance.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
Chris@0:    *   The module handler.
Chris@0:    */
Chris@0:   public function __construct(ModuleHandlerInterface $module_handler) {
Chris@0:     $this->moduleHandler = $module_handler;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Performs end of request tasks.
Chris@0:    *
Chris@0:    * @todo The body of this function has just been copied almost verbatim from
Chris@0:    *   drupal_page_footer(). There's probably a lot in here that needs to get
Chris@0:    *   removed/changed. Also, if possible, do more light-weight shutdowns on
Chris@0:    *   AJAX requests.
Chris@0:    *
Chris@0:    * @param Symfony\Component\HttpKernel\Event\PostResponseEvent $event
Chris@0:    *   The Event to process.
Chris@0:    */
Chris@0:   public function onTerminate(PostResponseEvent $event) {
Chris@0:     $this->moduleHandler->writeCache();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Registers the methods in this class that should be listeners.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array of event listener definitions.
Chris@0:    */
Chris@0:   public static function getSubscribedEvents() {
Chris@0:     $events[KernelEvents::TERMINATE][] = ['onTerminate', 100];
Chris@0: 
Chris@0:     return $events;
Chris@0:   }
Chris@0: 
Chris@0: }