// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

/**

 @file

 @publishedPartner

 @released

*/

#ifndef CMTPTYPEOPAQUEDATA_H_

#define CMTPTYPEOPAQUEDATA_H_

#include <e32base.h>

#include <mtp/mmtptype.h>

class CMTPTypeOpaqueData : public CBase, public MMTPType

    {

public:

    IMPORT_C static CMTPTypeOpaqueData* NewL();

    IMPORT_C static CMTPTypeOpaqueData* NewLC();

    IMPORT_C static CMTPTypeOpaqueData* NewL(const TDesC8 &aDes);

    IMPORT_C static CMTPTypeOpaqueData* NewLC(const TDesC8 &aDes);

    IMPORT_C ~CMTPTypeOpaqueData();

public: //MMTPType

    IMPORT_C virtual TInt FirstReadChunk(TPtrC8& aChunk) const;

    IMPORT_C virtual TInt NextReadChunk(TPtrC8& aChunk) const;

    IMPORT_C virtual TInt FirstWriteChunk(TPtr8& aChunk);

    IMPORT_C virtual TInt NextWriteChunk(TPtr8& aChunk);

    IMPORT_C virtual TBool CommitRequired() const;

    IMPORT_C virtual MMTPType* CommitChunkL(TPtr8& aChunk);

    IMPORT_C virtual TUint64 Size() const;

    IMPORT_C virtual TUint Type() const;

    IMPORT_C virtual TInt FirstWriteChunk(TPtr8& aChunk, TUint aDataLength);

public:

    IMPORT_C TInt Read(TPtrC8 &aDes) const;

    IMPORT_C TInt Write(const TPtrC8 &aDes);

private:

    void ConstructL();

    void ConstructL(const TDesC8 &aDes);

    CMTPTypeOpaqueData();

    TInt CreateBuffer( const TInt aMaxSize );

private:

    RBuf8    iBuffer;

    TPtr8    iPtrBuffer;

    };

#endif /* CMTPTYPEOPAQUEDATA_H_ */