OMKInputConnectionEventListener.h

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/*
 * This file is part of openMask © INRIA, CNRS, Universite de Rennes 1 1993-2002, thereinafter the Software
 * 
 * The Software has been developped within the Siames Project. 
 * INRIA, the University of Rennes 1 and CNRS jointly hold intellectual property rights
 * 
 * The Software has been registered with the Agence pour la Protection des
 * Programmes (APP) under registration number IDDN.FR.001.510008.00.S.P.2001.000.41200
 *
 * This file may be distributed under the terms of the Q Public License
 * version 1.0 as defined by Trolltech AS of Norway and appearing in the file
 * LICENSE.QPL included in the packaging of this file.
 *
 * Licensees holding valid specific licenses issued by INRIA, CNRS or Université de Rennes 1 
 * for the software may use this file in accordance with that specific license 
 *
 */
#ifndef OMKInputConnectionEventListenerHEADER
#define OMKInputConnectionEventListenerHEADER

#include "OMKEventListener.h"
#include "OMKTracer.h"

namespace OMK
{

template< typename T > class Input ;
template< typename T >
class InputConnectionEventListener : public EventListener
{
public:
  InputConnectionEventListener( SimulatedObject & owner ,
                                Input< T > * associatedInput ) ;

  virtual ~InputConnectionEventListener() ;

  virtual void registerEvents() ;

  virtual bool processEvent( Event * event ) ;

protected:
  Input< T > * _associatedInput ;
};


//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------


template< typename T >
InputConnectionEventListener< T >::InputConnectionEventListener(
  SimulatedObject & owner,
  Input<T> * associatedInput )
  : EventListener( owner ),
    _associatedInput( associatedInput )
{
  _owner.addEventListener( *this ) ;     
}

//-----------------------------------------------------------------------------

template< typename T >
InputConnectionEventListener<T>::~InputConnectionEventListener()
{
}

//-----------------------------------------------------------------------------

template< typename T >
void InputConnectionEventListener<T>::registerEvents() 
{
  _owner.registerEventListenerForEvent(
    *this, _associatedInput->getConnectionEventId() ) ;
  _owner.registerEventListenerForEvent(
    *this, _associatedInput->getConnectionToControlParameterEventId() ) ;
}

//-----------------------------------------------------------------------------

template< typename T >
bool InputConnectionEventListener<T>::processEvent( Event * event )
{
  ValuedEvent< Name > * realEvent =
    dynamic_cast< ValuedEvent< Name > *>( event ) ;
  OMASSERT( realEvent != 0 ) ;
  if( realEvent->eventId == _associatedInput->getConnectionEventId() )
  {
    _associatedInput->connect( realEvent->sender, realEvent->value ) ;
  }
  else
  {
    _associatedInput->connectToControlParameter( realEvent->sender,
                                                 realEvent->value ) ;
  }
  return true ;
}

//-----------------------------------------------------------------------------

} // namespace OMK

#endif

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