include/vrvCore/DtObserverObjectManager.h

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/****************************************************************************** 
** Copyright (c) 2008 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
/****************************************************************************** 
** $RCSfile: DtObserverObjectManager.h,v $ $Revision: 1.10 $ $State: Exp $ 
******************************************************************************/ 
 
 
#ifndef DtObserverObjectManager_H_ 
#define DtObserverObjectManager_H_ 

#include <boost/signals.hpp> 
#include <vrvCore/vrvCore.h> 
#include <map>
#include <vector>

namespace makVrv 
{ 
   class DtDe;
   class DtObserverObject;
   class DtRenderer;

   class DT_DLL_VRVCORE DtObserverObjectManager
   { 
   public:

      typedef std::vector<DtObserverObject*> ObserverObjectsList;

      DtObserverObjectManager(DtDe& de);

      virtual ~DtObserverObjectManager();

      virtual void update( double simTime );

      virtual void addObject( DtObserverObject* observer,
         const std::string& name );
      
      virtual void removeObject( DtObserverObject* observer );
      
      virtual void removeObject( const std::string& name );     


      DtObserverObject* findObserverObjectByName( const std::string& name );
      const DtObserverObject* findObserverObjectByName(
         const std::string& name ) const;
      
      const ObserverObjectsList& observerObjects() const;

      boost::signal<void (const std::string&)> signal_observerAdded;
         
      boost::signal<void (const std::string&)> signal_observerRemoved;

   protected:

      typedef std::map<std::string, DtObserverObject*> ObserverObjectsMap;

      void removeObject( ObserverObjectsMap& observers, 
         DtObserverObject* observer );
         
      void removeObject(ObserverObjectsMap& observers, 
         const std::string& name );
         
      void addObject( ObserverObjectsMap& observers, 
         DtObserverObject* observer, const std::string& name );

      DtDe& myDe;
      
      ObserverObjectsMap myObserverObjects;
      ObserverObjectsList myObserverObjectsList;

   };
} 
 
#endif