mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-05-20 12:44:01 +00:00
107 lines
2.7 KiB
PHP
107 lines
2.7 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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/**
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* Event related classes
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*/
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namespace pocketmine\event;
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abstract class Event{
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private const MAX_EVENT_CALL_DEPTH = 50;
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/** @var int */
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private static $eventCallDepth = 1;
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/** @var string|null */
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protected $eventName = null;
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/** @var bool */
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private $isCancelled = false;
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/**
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* @return string
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*/
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final public function getEventName() : string{
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return $this->eventName ?? get_class($this);
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}
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/**
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* @return bool
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*
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* @throws \BadMethodCallException
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*/
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public function isCancelled() : bool{
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if(!($this instanceof Cancellable)){
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throw new \BadMethodCallException(get_class($this) . " is not Cancellable");
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}
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/** @var Event $this */
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return $this->isCancelled;
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}
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/**
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* @param bool $value
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*
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* @throws \BadMethodCallException
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*/
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public function setCancelled(bool $value = true) : void{
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if(!($this instanceof Cancellable)){
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throw new \BadMethodCallException(get_class($this) . " is not Cancellable");
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}
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/** @var Event $this */
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$this->isCancelled = $value;
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}
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/**
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* Calls event handlers registered for this event.
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*
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* @throws \RuntimeException if event call recursion reaches the max depth limit
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*
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* @throws \ReflectionException
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*/
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public function call() : void{
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if(self::$eventCallDepth >= self::MAX_EVENT_CALL_DEPTH){
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//this exception will be caught by the parent event call if all else fails
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throw new \RuntimeException("Recursive event call detected (reached max depth of " . self::MAX_EVENT_CALL_DEPTH . " calls)");
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}
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$handlerList = HandlerList::getHandlerListFor(get_class($this));
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assert($handlerList !== null, "Called event should have a valid HandlerList");
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++self::$eventCallDepth;
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try{
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foreach(EventPriority::ALL as $priority){
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$currentList = $handlerList;
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while($currentList !== null){
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foreach($currentList->getListenersByPriority($priority) as $registration){
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$registration->callEvent($this);
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}
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$currentList = $currentList->getParent();
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}
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}
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}finally{
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--self::$eventCallDepth;
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}
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}
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}
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