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<?php |
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/* |
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* This file is part of the overtrue/wechat. |
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* |
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* (c) overtrue <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace EasyWeChat\Kernel\EventDispatcher; |
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use Symfony\Component\EventDispatcher\EventDispatcher; |
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/** |
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* Class Dispatcher. |
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* |
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* @author mingyoung <[email protected]> |
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* |
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* @method string|null dispatch(object $event) |
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*/ |
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class Dispatcher |
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{ |
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/** |
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* @var \Symfony\Component\EventDispatcher\EventDispatcher |
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*/ |
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protected $dispatcher; |
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/** |
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* Dispatcher constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->dispatcher = class_exists(EventDispatcher::class) ? new EventDispatcher() : null; |
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} |
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/** |
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* Adds an event listener that listens on the specified events. |
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* |
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* @param string $eventName The event to listen on |
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* @param callable $listener The listener |
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* @param int $priority The higher this value, the earlier an event |
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* listener will be triggered in the chain (defaults to 0) |
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*/ |
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public function addListener($eventName, $listener, $priority = 0) |
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{ |
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// Makes callable. |
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if (is_string($listener)) { |
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$listener = new $listener(); |
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} |
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if ($this->dispatcher) { |
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$this->dispatcher->addListener($eventName, $listener, $priority); |
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} |
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} |
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/** |
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* @param string $name |
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* @param array $args |
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* |
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* @return mixed |
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*/ |
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public function __call($name, $args) |
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{ |
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if (!$this->dispatcher) { |
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return; |
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} |
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return call_user_func_array([$this->dispatcher, $name], $args); |
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} |
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} |
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overtrue /
wechat
