lgrSystemInterface.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/


#ifndef lgrSystemInterface_H_
#define lgrSystemInterface_H_

#include "lgrCore.h"
#include "lgrInterface.h"
#include "virtualConstructor.h"
#include "signalSlot.h"
#include "threadSafe.h"

#include <memory>

namespace MAKLogger
{
   class DtLgrSystemCommandFactory;
   class DtLgrMessageOutputListener;

   class DT_DLL_LGRCORE DtLgrSystemInterface : public DtCommandInterface
   {
   public:

      typedef DtLgrSystemCommandFactory Factory;

      DT_VIRTUAL_CTR(DtLgrSystemInterface,(DtLogger&))

      
      virtual ~DtLgrSystemInterface();

   private:
      DtLgrSystemInterface(const DtLgrSystemInterface&);
      DtLgrSystemInterface& operator=(const DtLgrSystemInterface&);
   public:

      virtual void issueTextCommand(const DtString& commandString)  const;

      virtual void cancelLongOperation() const;

      virtual void deleteFile(const DtString& filename)  const;

      virtual void setNotifyLevel(int vlLevel,int lgrLevel) const;

      virtual void shutdown()  const;

      virtual bool timeToShutdown() const;

      virtual const DtString& operationName() const;

      virtual const DtString& operationMessage() const;

      virtual int operationProgress() const;

      virtual bool operationInterruptible() const;

      virtual bool wasOperationCanceled() const;

      virtual void installOutputListener(
         std::auto_ptr<DtLgrMessageOutputListener> listener) const;

      DtValueSignal<DtString> messageSignal;

      DtValueSignal<DtString> consoleMessageSignal;

      DtValueSignal<bool> operationSignal;

      DtValueSignal<bool> shutdownSignal;

      DtValueSignal<DtString> operationMessageSignal;

      DtValueSignal<int> operationProgressSignal;

      bool basicGuiFlag() const;

   protected:
      void connectResponseHandler(DtLgrCommandId id,
         void (DtLgrSystemInterface::* function)(DtResponse));

      void messageReceived(DtResponse);
      void consoleMessageReceived(DtResponse);
      void requestShutdown(DtResponse);

      void basicGuiFlagSet(DtResponse);

      void longOperationStarted(DtResponse);
      void longOperationFinished(DtResponse);
      void longOperationUpdated(DtResponse);

      DtThreadSafe<bool>* myCancelFlag;
      DtString myMessage;
      DtString myConsoleMessage;

      DtString myOperationName;
      DtString myOperationMessage;
      bool myOperationRunningFlag;
      int myOperationProgress;
      bool myOperationInterruptible;
      bool myOperationCanceledFlag;

      bool myTimeToShutdown;
      bool myBasicGuiFlag;
   };

}

#endif