Version 1
[yaffs-website] / web / modules / contrib / devel / webprofiler / src / TraceableEventDispatcher.php
diff --git a/web/modules/contrib/devel/webprofiler/src/TraceableEventDispatcher.php b/web/modules/contrib/devel/webprofiler/src/TraceableEventDispatcher.php
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+<?php
+
+namespace Drupal\webprofiler;
+
+use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher as BaseTraceableEventDispatcher;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * Class TraceableEventDispatcher
+ */
+class TraceableEventDispatcher extends BaseTraceableEventDispatcher {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function preDispatch($eventName, Event $event) {
+    switch ($eventName) {
+      case KernelEvents::VIEW:
+      case KernelEvents::RESPONSE:
+        // stop only if a controller has been executed
+        if ($this->stopwatch->isStarted('controller')) {
+          $this->stopwatch->stop('controller');
+        }
+        break;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function postDispatch($eventName, Event $event) {
+    switch ($eventName) {
+      case KernelEvents::CONTROLLER:
+        $this->stopwatch->start('controller', 'section');
+        break;
+      case KernelEvents::RESPONSE:
+        $token = $event->getResponse()->headers->get('X-Debug-Token');
+        try {
+          $this->stopwatch->stopSection($token);
+        } catch (\LogicException $e) {
+        }
+        break;
+      case KernelEvents::TERMINATE:
+        // In the special case described in the `preDispatch` method above, the `$token` section
+        // does not exist, then closing it throws an exception which must be caught.
+        $token = $event->getResponse()->headers->get('X-Debug-Token');
+        try {
+          $this->stopwatch->stopSection($token);
+        } catch (\LogicException $e) {
+        }
+        break;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getListenerPriority($eventName, $listener) {
+    if (!isset($this->listeners[$eventName])) {
+      return;
+    }
+    foreach ($this->listeners[$eventName] as $priority => $listeners) {
+      if (FALSE !== ($key = array_search($listener, $listeners, TRUE))) {
+        return $priority;
+      }
+    }
+  }
+
+}