<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\EventDispatcher\Debug;
use Symfony\Component\EventDispatcher\Event;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\Stopwatch\Stopwatch;
use Symfony\Component\VarDumper\Caster\ClassStub;
/**
* @author Fabien Potencier <fabien@symfony.com>
*/
class WrappedListener
{
private $listener;
private $name;
private $called;
private $stoppedPropagation;
private $stopwatch;
private $dispatcher;
private $pretty;
private $stub;
private $priority;
private static $hasClassStub;
public function __construct($listener, $name, Stopwatch $stopwatch, EventDispatcherInterface $dispatcher = null)
{
$this->listener = $listener;
$this->stopwatch = $stopwatch;
$this->dispatcher = $dispatcher;
$this->called = false;
$this->stoppedPropagation = false;
if (\is_array($listener)) {
$this->name = \is_object($listener[0]) ? \get_class($listener[0]) : $listener[0];
$this->pretty = $this->name.'::'.$listener[1];
} elseif ($listener instanceof \Closure) {
$r = new \ReflectionFunction($listener);
if (false !== strpos($r->name, '{closure}')) {
$this->pretty = $this->name = 'closure';
} elseif ($class = $r->getClosureScopeClass()) {
$this->name = $class->name;
$this->pretty = $this->name.'::'.$r->name;
} else {
$this->pretty = $this->name = $r->name;
}
} elseif (\is_string($listener)) {
$this->pretty = $this->name = $listener;
} else {
$this->name = \get_class($listener);
$this->pretty = $this->name.'::__invoke';
}
if (null !== $name) {
$this->name = $name;
}
if (null === self::$hasClassStub) {
self::$hasClassStub = class_exists(ClassStub::class);
}
}
public function getWrappedListener()
{
return $this->listener;
}
public function wasCalled()
{
return $this->called;
}
public function stoppedPropagation()
{
return $this->stoppedPropagation;
}
public function getPretty()
{
return $this->pretty;
}
public function getInfo($eventName)
{
if (null === $this->stub) {
$this->stub = self::$hasClassStub ? new ClassStub($this->pretty.'()', $this->listener) : $this->pretty.'()';
}
return [
'event' => $eventName,
'priority' => null !== $this->priority ? $this->priority : (null !== $this->dispatcher ? $this->dispatcher->getListenerPriority($eventName, $this->listener) : null),
'pretty' => $this->pretty,
'stub' => $this->stub,
];
}
public function __invoke(Event $event, $eventName, EventDispatcherInterface $dispatcher)
{
$dispatcher = $this->dispatcher ?: $dispatcher;
$this->called = true;
$this->priority = $dispatcher->getListenerPriority($eventName, $this->listener);
$e = $this->stopwatch->start($this->name, 'event_listener');
\call_user_func($this->listener, $event, $eventName, $dispatcher);
if ($e->isStarted()) {
$e->stop();
}
if ($event->isPropagationStopped()) {
$this->stoppedPropagation = true;
}
}
}