include/vrvCore/DtInterestManagementSignaler.h

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/******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtInterestManagementSignaler.h,v $ $Revision: 1.13 $ $State: Exp $
******************************************************************************/


#ifndef DtInterestManagementSignaler_H_
#define DtInterestManagementSignaler_H_

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtSharedInterestManagementSettings.h>

#include <vrvUtil/DtVirtualBaseClass.h>
#include <vrvUtil/event_signal.h>

namespace makVrv
{
   class DtEventQueueInterface;
   class DtSharedSettingsManager;

   class DT_DLL_VRVCORE DtInterestManagementSignaler : 
      public DtVirtualBaseClass
   {
   public:

      static DtInterestManagementSignaler& instance(const DtSharedSettingsManager&);

      static DtInterestManagementSignaler& instance(DtEventQueueInterface&);

      static DtInterestManagementSignaler* findInstance(
         DtEventQueueInterface*);

      virtual ~DtInterestManagementSignaler();

      event_signal<void (int)> signal_ddmRegionSizeChanged;
      event_signal<void (int)> signal_regionUpdateThresholdChanged;
      event_signal<void (bool)> signal_altitudeThresholdEnabledChanged;
      event_signal<void (int)> signal_altitudeThresholdChanged;


   protected:
      DtInterestManagementSignaler(DtEventQueueInterface& eqi);

   private:
      DtInterestManagementSignaler(const DtInterestManagementSignaler&);
      DtInterestManagementSignaler& operator=(const DtInterestManagementSignaler&);
   };
}

#endif