include/vrvCore/DtEventView.h

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/******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtEventView.h,v $ $Revision: 1.10 $ $State: Exp $
******************************************************************************/


#ifndef DtEventView_H_
#define DtEventView_H_

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtDe.h>
#include <vrvCore/DtSimEventEntry.h>
#include <vrvCore/DtDataBank.h>

#include <boost/bind.hpp>

namespace makVrv
{
   class DtSimEntry;

   class DT_DLL_VRVCORE DtBaseEventView
   {

   public:

      virtual ~DtBaseEventView();

   protected :   
    
      DtBaseEventView();

   };


   template <class EventType>
   class DtEventSignaler : public DtVirtualBaseClass
   {
   public:

      static DtEventSignaler& instance(DtSimData&);

      static void release(DtSimData&);

      DtEventSignaler(DtSimData&);

      ~DtEventSignaler();

      boost::signal<void (const EventType&)> signal_eventTriggered;

   protected:

      void onEventTriggered(const DtSimEventEntry& entry);

      void connectToEventTriggeredSignal();

      void disconnectFromEventTriggeredSignal();

   protected:

      DtSimData& mySimData;
      unsigned int myReferenceCount;
   };

   template<class EventType>
   class DtEventView : public DtBaseEventView
   {

   public:

      DtEventView(DtDe& de);

      virtual ~DtEventView();

      boost::signal<void (const EventType&)> signal_eventTriggered;

   protected:

      void onEventTriggered(const EventType& entry);

      void connectToEventTriggeredSignal();

      void disconnectFromEventTriggeredSignal();

      DtDe& myDe;
   };

}

#define DtEventView_INL_
#include <vrvCore/DtEventView.inl>
#undef DtEventView_INL_

#endif