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PsnObjectHandle.h

Go to the documentation of this file.

/*
 * 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 PsnObjectHandleHEADER
#define PsnObjectHandleHEADER




#include <PsFlowable.h>
class PsEvent ;
class PsEventIdentifier ;
class PsEventListener ;
class PsSimulatedObject;
class PsName;
class PsOutputNT ;


typedef enum {
   SynchronisationMessage, 
   InitialValuesMessage, 
   Registration, 
   CancelRegistration, 
   GET_ALL_PARAM,
   GET_PARAM, 
   EventReceived, 
   RegisterForSignal, 
   CancelRegistrationForSignal
} PsnRequestType;

class PsnObjectHandle : public PsFlowable
{
public:
   PsnObjectHandle (PsSimulatedObject & objet);

   virtual ~PsnObjectHandle();
      
   virtual void notifyChangeInControlParameter(PsOutputNT *) ;


   virtual bool controlParametersChanged(bool keepChanged = false ) ;

   virtual void receiveEvent (const PsEvent & event) = 0 ;


   virtual void receiveEvent (PsEvent * event) = 0 ;


   virtual void registerEventListenerForEvent ( PsEventListener & eventListener, 
                                                const PsEventIdentifier & eventId ) ;


   virtual void sendEventsForSignal( PsEvent & event , const PsEventIdentifier & sigId ) = 0 ;


   virtual bool receiveRegistrationForSignal ( const PsEventIdentifier & sigId, 
                                               const PsName & registrant, 
                                               const PsEventIdentifier & eventId ) = 0 ;


   virtual bool cancelRegistrationForSignal ( const PsEventIdentifier & sigId, 
                                               const PsName & registrant ) = 0 ;


   const PsSimulatedObject & getSimulatedObject () const ;


   PsSimulatedObject & getSimulatedObject ()  ;


protected:
   friend class PsAttribute ;

   virtual void attributeRead() ;

   virtual bool getAttributeRead ( bool keepChanged = false ) ;

   bool _attributeRead ;

   PsSimulatedObject & _myObject;  

   bool _aControlParameterHasChanged;

}; // PsnObjectHandle

#endif

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