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Commit96b7bf0

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[EventDispatcher] Handle lazyness internally instead of relying on ClosureProxyArgument
1 parent7a9875c commit96b7bf0

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3 files changed

+66
-16
lines changed

3 files changed

+66
-16
lines changed

‎src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php‎

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -11,10 +11,11 @@
1111

1212
namespaceSymfony\Component\EventDispatcher\DependencyInjection;
1313

14-
useSymfony\Component\DependencyInjection\Argument\ClosureProxyArgument;
14+
useSymfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
1515
useSymfony\Component\DependencyInjection\ContainerBuilder;
1616
useSymfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
1717
useSymfony\Component\DependencyInjection\Exception\InvalidArgumentException;
18+
useSymfony\Component\DependencyInjection\Reference;
1819
useSymfony\Component\EventDispatcher\EventDispatcher;
1920
useSymfony\Component\EventDispatcher\EventSubscriberInterface;
2021

@@ -78,7 +79,7 @@ public function process(ContainerBuilder $container)
7879
$event['method'] =preg_replace('/[^a-z0-9]/i','',$event['method']);
7980
}
8081

81-
$definition->addMethodCall('addListener',array($event['event'],newClosureProxyArgument($id,$event['method']),$priority));
82+
$definition->addMethodCall('addListener',array($event['event'],array(newServiceClosureArgument(newReference($id)),$event['method']),$priority));
8283
}
8384
}
8485

@@ -103,7 +104,7 @@ public function process(ContainerBuilder $container)
103104
ExtractingEventDispatcher::$subscriber =$class;
104105
$extractingDispatcher->addSubscriber($extractingDispatcher);
105106
foreach ($extractingDispatcher->listenersas$args) {
106-
$args[1] =newClosureProxyArgument($id,$args[1]);
107+
$args[1] =array(newServiceClosureArgument(newReference($id)),$args[1]);
107108
$definition->addMethodCall('addListener',$args);
108109
}
109110
$extractingDispatcher->listeners =array();

‎src/Symfony/Component/EventDispatcher/EventDispatcher.php‎

Lines changed: 57 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -24,6 +24,7 @@
2424
* @author Fabien Potencier <fabien@symfony.com>
2525
* @author Jordi Boggiano <j.boggiano@seld.be>
2626
* @author Jordan Alliot <jordan.alliot@gmail.com>
27+
* @author Nicolas Grekas <p@tchwork.com>
2728
*/
2829
class EventDispatcherimplements EventDispatcherInterface
2930
{
@@ -52,7 +53,7 @@ public function dispatch($eventName, Event $event = null)
5253
publicfunctiongetListeners($eventName =null)
5354
{
5455
if (null !==$eventName) {
55-
if (!isset($this->listeners[$eventName])) {
56+
if (empty($this->listeners[$eventName])) {
5657
returnarray();
5758
}
5859

@@ -77,13 +78,23 @@ public function getListeners($eventName = null)
7778
*/
7879
publicfunctiongetListenerPriority($eventName,$listener)
7980
{
80-
if (!isset($this->listeners[$eventName])) {
81+
if (empty($this->listeners[$eventName])) {
8182
return;
8283
}
8384

85+
if (is_array($listener) &&isset($listener[0]) &&$listener[0]instanceof \Closure) {
86+
$listener[0] =$listener[0]();
87+
}
88+
8489
foreach ($this->listeners[$eventName]as$priority =>$listeners) {
85-
if (false !==in_array($listener,$listeners,true)) {
86-
return$priority;
90+
foreach ($listenersas$k =>$v) {
91+
if ($v !==$listener &&is_array($v) &&isset($v[0]) &&$v[0]instanceof \Closure) {
92+
$v[0] =$v[0]();
93+
$this->listeners[$eventName][$priority][$k] =$v;
94+
}
95+
if ($v ===$listener) {
96+
return$priority;
97+
}
8798
}
8899
}
89100
}
@@ -93,7 +104,17 @@ public function getListenerPriority($eventName, $listener)
93104
*/
94105
publicfunctionhasListeners($eventName =null)
95106
{
96-
return (bool)$this->getListeners($eventName);
107+
if (null !==$eventName) {
108+
return !empty($this->listeners[$eventName]);
109+
}
110+
111+
foreach ($this->listenersas$eventListeners) {
112+
if ($eventListeners) {
113+
returntrue;
114+
}
115+
}
116+
117+
returnfalse;
97118
}
98119

99120
/**
@@ -110,13 +131,30 @@ public function addListener($eventName, $listener, $priority = 0)
110131
*/
111132
publicfunctionremoveListener($eventName,$listener)
112133
{
113-
if (!isset($this->listeners[$eventName])) {
134+
if (empty($this->listeners[$eventName])) {
114135
return;
115136
}
116137

138+
if (is_array($listener) &&isset($listener[0]) &&$listener[0]instanceof \Closure) {
139+
$listener[0] =$listener[0]();
140+
}
141+
117142
foreach ($this->listeners[$eventName]as$priority =>$listeners) {
118-
if (false !== ($key =array_search($listener,$listeners,true))) {
119-
unset($this->listeners[$eventName][$priority][$key],$this->sorted[$eventName]);
143+
foreach ($listenersas$k =>$v) {
144+
if ($v !==$listener &&is_array($v) &&isset($v[0]) &&$v[0]instanceof \Closure) {
145+
$v[0] =$v[0]();
146+
}
147+
if ($v ===$listener) {
148+
unset($listeners[$k],$this->sorted[$eventName]);
149+
}else {
150+
$listeners[$k] =$v;
151+
}
152+
}
153+
154+
if ($listeners) {
155+
$this->listeners[$eventName][$priority] =$listeners;
156+
}else {
157+
unset($this->listeners[$eventName][$priority]);
120158
}
121159
}
122160
}
@@ -183,6 +221,16 @@ protected function doDispatch($listeners, $eventName, Event $event)
183221
privatefunctionsortListeners($eventName)
184222
{
185223
krsort($this->listeners[$eventName]);
186-
$this->sorted[$eventName] =call_user_func_array('array_merge',$this->listeners[$eventName]);
224+
$this->sorted[$eventName] =array();
225+
226+
foreach ($this->listeners[$eventName]as$priority =>$listeners) {
227+
foreach ($listenersas$k =>$listener) {
228+
if (is_array($listener) &&isset($listener[0]) &&$listener[0]instanceof \Closure) {
229+
$listener[0] =$listener[0]();
230+
$this->listeners[$eventName][$priority][$k] =$listener;
231+
}
232+
$this->sorted[$eventName][] =$listener;
233+
}
234+
}
187235
}
188236
}

‎src/Symfony/Component/EventDispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php‎

Lines changed: 5 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -12,8 +12,9 @@
1212
namespaceSymfony\Component\EventDispatcher\Tests\DependencyInjection;
1313

1414
usePHPUnit\Framework\TestCase;
15-
useSymfony\Component\DependencyInjection\Argument\ClosureProxyArgument;
15+
useSymfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
1616
useSymfony\Component\DependencyInjection\ContainerBuilder;
17+
useSymfony\Component\DependencyInjection\Reference;
1718
useSymfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass;
1819

1920
class RegisterListenersPassTestextends TestCase
@@ -127,17 +128,17 @@ public function testEventSubscriberResolvableClassName()
127128
$registerListenersPass->process($container);
128129

129130
$definition =$container->getDefinition('event_dispatcher');
130-
$expected_calls =array(
131+
$expectedCalls =array(
131132
array(
132133
'addListener',
133134
array(
134135
'event',
135-
newClosureProxyArgument('foo','onEvent'),
136+
array(newServiceClosureArgument(newReference('foo')),'onEvent'),
136137
0,
137138
),
138139
),
139140
);
140-
$this->assertEquals($expected_calls,$definition->getMethodCalls());
141+
$this->assertEquals($expectedCalls,$definition->getMethodCalls());
141142
}
142143

143144
/**

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