<?PHP

  /**
   * phOSCAR
   * -------
   * An OSCAR-Implementation in PHP 5
   * 
   * This work is distributed within the terms of
   * creative commons attribution-share alike 3.0 germany
   * 
   * See http://creativecommons.org/licenses/by-sa/3.0/ for more information
   * 
   * @author Bernd Holzmueller <bernd@tiggerswelt.net>
   * @revision 03
   * @license http://creativecommons.org/licenses/by-sa/3.0/de/ Creative Commons Attribution-Share Alike 3.0 Germany
   * @homepage http://oss.tiggerswelt.net/oscar/
   * @copyright Copyright &copy; 2009 tiggersWelt.net 
   */
  
  require_once ("oscar/snac/helper/tlv.php");
  
  class Oscar_SNAC_ICBM_Notifycation extends Oscar_SNAC_ICBM_Message_Server_ACK {
    /* About this class */
    const SNAC_FAMILY = 0x0004;
    const SNAC_SERVICE = 0x0014;
    
    /* Types of this class */
    const EVENT_NONE   = 0x0000; 
    const EVENT_TYPED  = 0x0001;   
    const EVENT_TYPING = 0x0002;
    const EVENT_CLOSED = 0x000F;
      
    public $Type = 0x0000;
    
    // {{{ parse
    /**
     * @access public
     * @return void
     */
    public function parse () {
      // Parse the packet
      parent::parse ();
      
      $this->Type = Oscar_Common::str2int16 ($this->Data, 0, true);
      
      // Forward the event
      if (!is_object ($Parent = self::getOSCAR ()) ||
          !is_object ($Roster = $Parent->getRoster ()) ||
          !is_object ($Contact = $Roster->getContact ($this->Username)))
        return;
      
      switch ($this->Type) {
        case self::EVENT_NONE:
          $Contact->typingStopped ();
          break;
        
        case self::EVENT_TYPED:
          $Contact->typingPaused ();
          break;
        
        case self::EVENT_TYPING:
          $Contact->typingStarted ();
          break;
        
        case self::EVENT_CLOSED:
          $Contact->typingEnded ();
          break;
      }
    }
    // }}}
    
    // {{{ generate
    /**
     * Generate a new message
     * 
     * @access public
     * @return string
     */
    public function generate () {
      $this->Data = $this->Cookie .
                    Oscar_Common::int16tostr ($this->Channel) .
                    Oscar_Common::int8tostr (strlen ($this->Username)) .
                    $this->Username .
                    Oscar_Common::int16tostr ($this->Type);
      
      return Oscar_SNAC::generate ();
    }
    // }}}
  }

?>