include/vrvUtil/DtEventQueueInterface.h

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/******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtEventQueueInterface.h,v $ $Revision: 1.6 $ $State: Exp $
******************************************************************************/


#ifndef DtEventQueueInterface_H_
#define DtEventQueueInterface_H_

#include <vrvUtil/vrvUtil.h>
#include <map>
#include <vector>
#include <boost/function.hpp>
#include <vlutil/vlSmartPointers.h>

namespace makVrv
{
   class DtVirtualBaseClass;

   class DT_DLL_VRVUTIL DtEventQueueInterface
   {
   public:
      typedef boost::function< void (DtEventQueueInterface*) > Event;
      typedef std::vector<Event> EventList;
      typedef DtBoost::shared_ptr<EventList> SharedEventList;

      virtual ~DtEventQueueInterface();

      DtVirtualBaseClass* findInstance(const std::string& className);

      void registerInstance(const std::string& className, DtVirtualBaseClass* instance);

      virtual void postEvent(const Event& signal) = 0;

      virtual void processEvents() = 0;

      void executeEvents(const SharedEventList& signalList);

   protected:
      DtEventQueueInterface();

   private:
      DtEventQueueInterface(const DtEventQueueInterface&);
      DtEventQueueInterface& operator=(const DtEventQueueInterface&);

   protected:
      typedef std::map<std::string,DtVirtualBaseClass*> InstanceMap;
      InstanceMap myInstanceMap;
   };
}

#endif