include/vrvCore/DtEventLoop.h

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/****************************************************************************** 
** Copyright (c) 2010 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
/****************************************************************************** 
** $RCSfile: DtEventLoop.h,v $ $Revision: 1.14 $ $State: Exp $ 
******************************************************************************/ 
 
 
#ifndef DtEventLoop_H_ 
#define DtEventLoop_H_ 
 
#include <vrvCore/vrvCore.h> 
#include <vrvUtil/DtVirtualBaseClass.h>

class DtTimedSection;

namespace makVrv 
{ 
   class DtDe;

   class DT_DLL_VRVCORE DtEventLoop 
   { 
 
   public:
      typedef void (*RunFunction)(DtDe&);
     
   public:

      static void runOnce(DtDe&);

      static  DtEventLoop* create(DtDe& theIG);

      virtual ~DtEventLoop();

      void setAlternateRunFunction(RunFunction aFunction);

      void run();

     
   protected:

      DtEventLoop(DtDe& de);

      void defaultRun();
      
   protected:

      DtDe& myDe;
      DtTimedSection* myTimer;
      RunFunction myRunnerFunction;

   }; 

   class DT_DLL_VRVCORE DtEventLoopCreator : public DtVirtualBaseClass
   {

   public:

      static DtEventLoopCreator& instance(DtDe& theIG);

      static void registerInstance(DtDe& theIG, DtEventLoopCreator* anInstance);     

      virtual DtEventLoop* create(DtDe& theIG) = 0;

   };
} 
 
#endif