DtStealthControlWidgetLogic.h

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/****************************************************************************** 
** Copyright (c) 2008 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
 
 
#pragma once
#include <vrvCoreQt/vrvCoreQt.h> 
#include <vrvCore/DtObserver.h>
#include <vrvCore/DtSubjectObserver.h>

namespace makVrv 
{ 
   class DtDe;
   class DtStealthControlWidgetInterface;
   class DtInputDriver;
   class DtObserver;
 
   class DT_DLL_VRVCOREQT DtStealthControlWidgetLogic : public DtDeObserver
   {

   public:   
   
      static DtStealthControlWidgetLogic* create(DtDe& de, 
         DtStealthControlWidgetInterface* iFace);
         
      virtual ~DtStealthControlWidgetLogic();
      
      void setCurrentObserver( const std::string& displayName, 
         const DtUniqueID& id );

      void onObserverCreationRequested(const std::string& observerName);

      void onObserverDeletionRequested(const std::string& observerName);

      DtObserver* currentObserver();

      virtual void setAutoHide(bool);

      bool autoHide() const;

   protected:

      DtStealthControlWidgetLogic(DtDe& de, DtStealthControlWidgetInterface* iFace);
    
      void onInputDriverCreated( DtInputDriver* inputDriver );
         
      void onInputDriverAboutToBeDestroyed( DtInputDriver* inputDriver );

      void onObserverCreated( DtInputDriver* inputDriver,
         DtObserver* observer );
         
      void onObserverAboutToBeDestroyed( DtInputDriver* inputDriver,
         DtObserver* observer );
         
      void onCurrentObserverChanged( DtInputDriver* inputDriver,
         DtObserver* observer );

      virtual void slot_activate(DtDe* subject);

      virtual void slot_deactivate(DtDe* subject);

      virtual void checkVisibility();
          
   protected:

      DtDe& myDe;
      DtStealthControlWidgetInterface* myInterface;
      DtInputDriver* myInputDriver;
      std::string myCurrentObserverName;
      bool myAutoHide;
   };
}