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Diffstat (limited to 'vendor/swiftmailer/classes/Swift/Events/SimpleEventDispatcher.php')
-rw-r--r-- | vendor/swiftmailer/classes/Swift/Events/SimpleEventDispatcher.php | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/vendor/swiftmailer/classes/Swift/Events/SimpleEventDispatcher.php b/vendor/swiftmailer/classes/Swift/Events/SimpleEventDispatcher.php new file mode 100644 index 00000000..b7f82aed --- /dev/null +++ b/vendor/swiftmailer/classes/Swift/Events/SimpleEventDispatcher.php @@ -0,0 +1,157 @@ +<?php + +/* + * This file is part of SwiftMailer. + * (c) 2004-2009 Chris Corbyn + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * The EventDispatcher which handles the event dispatching layer. + * + * @author Chris Corbyn + */ +class Swift_Events_SimpleEventDispatcher implements Swift_Events_EventDispatcher +{ + /** A map of event types to their associated listener types */ + private $_eventMap = array(); + + /** Event listeners bound to this dispatcher */ + private $_listeners = array(); + + /** Listeners queued to have an Event bubbled up the stack to them */ + private $_bubbleQueue = array(); + + /** + * Create a new EventDispatcher. + */ + public function __construct() + { + $this->_eventMap = array( + 'Swift_Events_CommandEvent' => 'Swift_Events_CommandListener', + 'Swift_Events_ResponseEvent' => 'Swift_Events_ResponseListener', + 'Swift_Events_SendEvent' => 'Swift_Events_SendListener', + 'Swift_Events_TransportChangeEvent' => 'Swift_Events_TransportChangeListener', + 'Swift_Events_TransportExceptionEvent' => 'Swift_Events_TransportExceptionListener' + ); + } + + /** + * Create a new SendEvent for $source and $message. + * + * @param Swift_Transport $source + * @param Swift_Mime_Message + * + * @return Swift_Events_SendEvent + */ + public function createSendEvent(Swift_Transport $source, Swift_Mime_Message $message) + { + return new Swift_Events_SendEvent($source, $message); + } + + /** + * Create a new CommandEvent for $source and $command. + * + * @param Swift_Transport $source + * @param string $command That will be executed + * @param array $successCodes That are needed + * + * @return Swift_Events_CommandEvent + */ + public function createCommandEvent(Swift_Transport $source, $command, $successCodes = array()) + { + return new Swift_Events_CommandEvent($source, $command, $successCodes); + } + + /** + * Create a new ResponseEvent for $source and $response. + * + * @param Swift_Transport $source + * @param string $response + * @param bool $valid If the response is valid + * + * @return Swift_Events_ResponseEvent + */ + public function createResponseEvent(Swift_Transport $source, $response, $valid) + { + return new Swift_Events_ResponseEvent($source, $response, $valid); + } + + /** + * Create a new TransportChangeEvent for $source. + * + * @param Swift_Transport $source + * + * @return Swift_Events_TransportChangeEvent + */ + public function createTransportChangeEvent(Swift_Transport $source) + { + return new Swift_Events_TransportChangeEvent($source); + } + + /** + * Create a new TransportExceptionEvent for $source. + * + * @param Swift_Transport $source + * @param Swift_TransportException $ex + * + * @return Swift_Events_TransportExceptionEvent + */ + public function createTransportExceptionEvent(Swift_Transport $source, Swift_TransportException $ex) + { + return new Swift_Events_TransportExceptionEvent($source, $ex); + } + + /** + * Bind an event listener to this dispatcher. + * + * @param Swift_Events_EventListener $listener + */ + public function bindEventListener(Swift_Events_EventListener $listener) + { + foreach ($this->_listeners as $l) { + // Already loaded + if ($l === $listener) { + return; + } + } + $this->_listeners[] = $listener; + } + + /** + * Dispatch the given Event to all suitable listeners. + * + * @param Swift_Events_EventObject $evt + * @param string $target method + */ + public function dispatchEvent(Swift_Events_EventObject $evt, $target) + { + $this->_prepareBubbleQueue($evt); + $this->_bubble($evt, $target); + } + + /** Queue listeners on a stack ready for $evt to be bubbled up it */ + private function _prepareBubbleQueue(Swift_Events_EventObject $evt) + { + $this->_bubbleQueue = array(); + $evtClass = get_class($evt); + foreach ($this->_listeners as $listener) { + if (array_key_exists($evtClass, $this->_eventMap) + && ($listener instanceof $this->_eventMap[$evtClass])) + { + $this->_bubbleQueue[] = $listener; + } + } + } + + /** Bubble $evt up the stack calling $target() on each listener */ + private function _bubble(Swift_Events_EventObject $evt, $target) + { + if (!$evt->bubbleCancelled() && $listener = array_shift($this->_bubbleQueue)) { + $listener->$target($evt); + $this->_bubble($evt, $target); + } + } +} |