// $Revision: 1.5 $
#ifndef TaligentSamples_MIMEDATASTREAM
#define TaligentSamples_MIMEDATASTREAM
//-----------------------------------------------------------------------------
//
// Copyright (C) 1995 Taligent, Inc. All rights reserved.
//
// Project:       WebRunner Sample
// File:          MIMEDataStream.h
// Build/Version: 1.0.0
//
//-----------------------------------------------------------------------------

#ifndef Taligent_FOREIGNDATA
#include <Taligent/ForeignData.h>
#endif
#ifndef Taligent_MEMORY
#include <Taligent/Memory.h>
#endif

//=============================================================================
// TMIMEDataStream

class TMIMEDataStream : public TForeignData {
  public:
	MCollectibleDeclarationsMacro(TMIMEDataStream);

  public:
	                    TMIMEDataStream(TChunkyStream* adoptStream,
										const TMIMEForeignDataType& type);
	virtual             ~TMIMEDataStream();

	virtual TStream&    operator>>=(TStream& toStream) const;
	virtual TStream&    operator<<=(TStream& fromStream);

	virtual const TForeignDataType*
                        GetDataType() const;
	virtual TRandomAccessStream*
                        CreateStreamForReading(TMemoryHeap* heap = 0) const;
	virtual TRandomAccessStream*
                        CreateStreamForWriting(unsigned long initialSize = 0,
											   TMemoryHeap* heap = 0);
	virtual TTranscoder* CreateDefaultTranscoder(TMemoryHeap* heap = 0) const;


  protected:
	                     TMIMEDataStream();
	                     TMIMEDataStream(const TMIMEDataStream& source);
	TMIMEDataStream&     operator=(const TMIMEDataStream& source);

  private:
	enum                 {kOriginalVersion};
	
	TChunkyStream*       fDataStream;
	TMIMEForeignDataType fDataType;
};

#endif