include/vrvCore/DtPerformanceStatsManager.h

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/****************************************************************************** 
** Copyright (c) 2012 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 


#include <vrvCore/vrvCore.h> 
#include <vrvCore/DtDe.h>
#include <vrvUtil/DtVirtualBaseClass.h>

#include <boost/signals.hpp>
#include <boost/unordered_map.hpp>

namespace makVrv 
{
   class DtPerformanceStatsManagerSignaler;

   class DT_DLL_VRVCORE DtPerformanceStatsManager : public DtVirtualBaseClass
   { 
   public:
      static DtPerformanceStatsManager& instance(DtDe& de);

      virtual ~DtPerformanceStatsManager();

      virtual void add(const std::string& statsSetName, DtStatsSet* statsSet);

      virtual void remove(const std::string& statsSetName);

      virtual DtStatsSet* find(const std::string& statsSetName);

      virtual void setActive(const std::string& statsSetName);

      virtual DtStatsSet* activeSet();

      virtual void tickStats(double tickTime);

      typedef std::vector<std::string> NameList;
      
      NameList names() const;

   protected:
      DtPerformanceStatsManager(DtDe& de);

   protected:
      DtDe& myDe;
      DtPerformanceStatsManagerSignaler& mySignaler;
      DtStatsSet* myActiveStatsSet;

      typedef boost::unordered_map<std::string, DtStatsSet*> PerformanceStatsMap;
      PerformanceStatsMap myStatsSets;
   };

   class DT_DLL_VRVCORE DtPerformanceStatsManagerSignaler : public DtVirtualBaseClass
   {
   public:
      static DtPerformanceStatsManagerSignaler& instance(DtDe& de);

      virtual ~DtPerformanceStatsManagerSignaler();

      boost::signal<void (DtStatsSet*)> signal_setAdded;

      boost::signal<void (DtStatsSet*)> signal_setAboutToBeRemoved;

      boost::signal<void (DtStatsSet*)> signal_activeSetChanged;

   protected:
      DtPerformanceStatsManagerSignaler();

   };
}