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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //  

    15 

    16 /**

    17 @file

    18 @publishedPartner

    19 @released

    20 */

    21 

    22 #ifndef TMTPTYPEDATAPAIR_H_

    23 #define TMTPTYPEDATAPAIR_H_

    24 

    25 

    26 #include <mtp/tmtptypeflatbase.h> 

    27 

    28 

    29 /**

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

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

    32 layer.

    33 @publishedPartner

    34 @released 

    35 */

    36 class TMTPTypeDataPair : public TMTPTypeFlatBase

    37     {

    38 public:

    39 

    40     /**

    41     MTP operation response dataset element identifiers.

    42     */      

    43     enum TElements

    44         {

    45         /**

    46         The identifier of owner: ObjectHandle or ServiceID.

    47         */

    48         EOwnerHandle, 

    49         

    50         /**

    51         data code: PropertyCode.

    52         */

    53         EDataCode,

    54         

    55         /**

    56         The number of dataset elements.

    57         */

    58         ENumElements, 

    59         }; 

    60     

    61 public:

    62 

    63     IMPORT_C TMTPTypeDataPair();

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

    65     IMPORT_C TMTPTypeDataPair(const TMTPTypeDataPair& aPair);    

    66     

    67 public: // From TMTPTypeFlatBase

    68 

    69     IMPORT_C TUint Type() const;

    70     

    71 private: // From TMTPTypeFlatBase

    72     

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

    74     

    75 private: 

    76    

    77     /**

    78     The data pair size in bytes.

    79     */

    80     static const TInt                               KSize = 6;

    81     

    82     /**

    83     The data pair element metadata table content.

    84     */

    85     static const TMTPTypeFlatBase::TElementInfo     iElementMetaData[];

    86     

    87     /**

    88     The data pair element metadata table.

    89     */

    90     const TFixedArray<TElementInfo, ENumElements>   iElementInfo;

    91     

    92     /**

    93     The data buffer.

    94     */

    95     TBuf8<KSize>                                    iBuffer; 

    96     };

    97 

    98 

    99 #endif /* TMTPTYPEDATAPAIR_H_ */