public function onKernelResponse(FilterResponseEvent $event)
 {
     if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
         return;
     }
     if (false === $this->isEnabled()) {
         return;
     }
     $response = $event->getResponse();
     $request = $event->getRequest();
     // do not capture redirects or modify XML HTTP Requests
     if ($request->isXmlHttpRequest()) {
         return;
     }
     if ($response->isRedirection() || $response->headers->has('Content-Type') && false === strpos($response->headers->get('Content-Type'), 'html') || 'html' !== $request->getRequestFormat()) {
         return;
     }
     $profiler = $event->getKernel()->getApplication()->getContainer()->get('profiler');
     $profile = $profiler->collect($request, $response, null);
     $profile->getCollector('logger')->lateCollect();
     $renderer = $event->getKernel()->getApplication()->getRenderer();
     $this->injectToolbar($response, $profile, $renderer);
 }