118 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
| <?php
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| 
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| namespace ManiaControl\Callbacks;
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| 
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| use ManiaControl\General\UsageInformationAble;
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| use ManiaControl\General\UsageInformationTrait;
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| use ManiaControl\ManiaControl;
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| 
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| /**
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|  * Class for managing queued calls.
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|  *
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|  * @author    ManiaControl Team <mail@maniacontrol.com>
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|  * @copyright 2014-2019 ManiaControl Team
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|  * @license   http://www.gnu.org/licenses/ GNU General Public License, Version 3
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|  */
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| class CallQueueManager implements UsageInformationAble {
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| 	use UsageInformationTrait;
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| 
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| 	/*
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| 	 * Private properties
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| 	 */
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| 	/** @var ManiaControl $maniaControl */
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| 	private $maniaControl = null;
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| 	/** @var CallQueueListening[] $queueListenings */
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| 	private $queueListenings = array();
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| 
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| 	/**
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| 	 * Construct a new Call Queue Manager
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| 	 *
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| 	 * @param ManiaControl $maniaControl
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| 	 */
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| 	public function __construct(ManiaControl $maniaControl) {
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| 		$this->maniaControl = $maniaControl;
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| 	}
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| 
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| 	/**
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| 	 * Register a Call Queue Listening
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| 	 *
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| 	 * @param CallQueueListener $listener
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| 	 * @param mixed             $methods
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| 	 * @param mixed             $errorMethod
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| 	 * @return bool
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| 	 */
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| 	public function registerListening(CallQueueListener $listener, $methods, $errorMethod = null, $important = false) {
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| 		if ($errorMethod != null && !CallQueueListening::checkValidCallback($listener, $errorMethod)) {
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| 			trigger_error("Given Listener (" . get_class($listener) . ") can't handle Queue Call Callback (No Error Method '{$errorMethod}')!");
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| 			return false;
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| 		}
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| 
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| 		if (!is_array($methods)) {
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| 			$methods = array($methods);
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| 		}
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| 
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| 		foreach ($methods as $method) {
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| 			if (!CallQueueListening::checkValidCallback($listener, $method)) {
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| 				trigger_error("Given Listener (" . get_class($listener) . ") can't handle Queue Call Callback (No Method '{$method}')!");
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| 				return false;
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| 			}
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| 		}
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| 
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| 		foreach ($methods as $method) {
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| 			// Build Call Queue Listening
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| 			$listening = new CallQueueListening($listener, $method, $errorMethod);
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| 			if ($important) {
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| 				$this->addImportantListening($listening);
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| 			} else {
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| 				$this->addListening($listening);
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| 			}
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| 		}
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| 
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| 		return true;
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| 	}
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| 
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| 	/**
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| 	 * Adds an important Listening to the current list of managed queue calls at the front
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| 	 *
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| 	 * @param CallQueueListening $queueListening
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| 	 */
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| 	public function addImportantListening(CallQueueListening $queueListening) {
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| 		array_unshift($this->queueListenings, $queueListening);
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| 	}
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| 
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| 	/**
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| 	 * Adds a Listening to the current list of managed queue calls at the end
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| 	 *
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| 	 * @param CallQueueListening $queueListening
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| 	 */
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| 	public function addListening(CallQueueListening $queueListening) {
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| 		array_push($this->queueListenings, $queueListening);
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| 	}
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| 
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| 	/**
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| 	 * Checks, if one specific listening already has been queued for a call.
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| 	 * Can only check for named functions.
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| 	 * @param CallQueueListener $listener
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| 	 * @param string            $method
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| 	 * @return bool
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| 	 */
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| 	public function hasListening(CallQueueListener $listener, $method) {
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| 		foreach ($this->queueListenings as $listening) {
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| 			if ($listening->listener === $listener && $listening->method === $method) {
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| 				return true;
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| 			}
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| 		}
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| 		return false;
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| 	}
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| 
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| 	/**
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| 	 * Manage one of the queued calls
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| 	 */
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| 	public function manageCallQueue() {
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| 		if (!empty($this->queueListenings)) {
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| 			$listening = array_shift($this->queueListenings);
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| 			$listening->triggerCallback();
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| 		}
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| 	}
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| } 
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