--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/swiftmailer/lib/classes/Swift/Events/SimpleEventDispatcher.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,167 @@
+<?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.
+ * 
+ * @package Swift
+ * @subpackage Events
+ * @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 boolean $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);
+  }
+  
+  // -- Private methods
+  
+  /** 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);
+    }
+  }
+  
+}