// 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 TMTPTYPEDATAPAIR_H_

#define TMTPTYPEDATAPAIR_H_

#include <mtp/tmtptypeflatbase.h> 

/**

Defines the ObjectHandle-PropertyCode pair or ServiceID-PropertyCode pair. This data pair is stored in a 

contiguous flat buffer to optimise data transfer to/from the MTP transport 

layer.

@publishedPartner

@released 

*/

class TMTPTypeDataPair : public TMTPTypeFlatBase

    {

public:

    /**

    MTP operation response dataset element identifiers.

    */      

    enum TElements

        {

        /**

        The identifier of owner: ObjectHandle or ServiceID.

        */

        EOwnerHandle, 

        /**

        data code: PropertyCode.

        */

        EDataCode,

        /**

        The number of dataset elements.

        */

        ENumElements, 

        }; 

public:

    IMPORT_C TMTPTypeDataPair();

    IMPORT_C TMTPTypeDataPair( const TUint32 aHandle, const TUint16 aCode );

    IMPORT_C TMTPTypeDataPair(const TMTPTypeDataPair& aPair);    

public: // From TMTPTypeFlatBase

    IMPORT_C TUint Type() const;

private: // From TMTPTypeFlatBase

    const TMTPTypeFlatBase::TElementInfo& ElementInfo(TInt aElementId) const;

private: 

    /**

    The data pair size in bytes.

    */

    static const TInt                               KSize = 6;

    /**

    The data pair element metadata table content.

    */

    static const TMTPTypeFlatBase::TElementInfo     iElementMetaData[];

    /**

    The data pair element metadata table.

    */

    const TFixedArray<TElementInfo, ENumElements>   iElementInfo;

    /**

    The data buffer.

    */

    TBuf8<KSize>                                    iBuffer; 

    };

#endif /* TMTPTYPEDATAPAIR_H_ */