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  @internalComponent

    19 */

    20 

    21 #ifndef TMTPUSBPARAMETERPAYLOADBLOCK_H

    22 #define TMTPUSBPARAMETERPAYLOADBLOCK_H

    23 

    24 #include <mtp/tmtptypeflatbase.h> 

    25 

    26 /**

    27 Defines the MTP USB device class parameter block dataset. This dataset is used

    28 as the variable length Command and Response type bulk container payload.

    29 @internalComponent

    30  

    31 */

    32 class TMTPUsbParameterPayloadBlock : public TMTPTypeFlatBase

    33     {

    34 public:

    35 

    36     /**

    37     MTP operation request dataset element identifiers.

    38     */      

    39     enum TElements

    40         {

    41         EParameter1,

    42         EParameter2,

    43         EParameter3,

    44         EParameter4,

    45         EParameter5,

    46         ENumElements, 

    47         };  

    48         

    49 public:

    50 

    51     IMPORT_C TMTPUsbParameterPayloadBlock();

    52     

    53     IMPORT_C TUint NumParameters() const;

    54     IMPORT_C void CopyIn(const TMTPTypeFlatBase& aFrom, TUint aParamStartOffset, TUint aParamEndOffSet, TBool aIsNullParamValid, TUint aNumOfNullParam);

    55     IMPORT_C void CopyOut(TMTPTypeFlatBase& aTo, TUint aParamStartOffset, TUint aParamEndOffset);

    56     

    57 public: // From TMTPTypeFlatBase

    58     

    59     IMPORT_C void Reset();

    60     IMPORT_C void SetUint32(TInt aElementId, TUint32 aData); 

    61     IMPORT_C TUint32 Uint32(TInt aElementId) const;

    62     IMPORT_C TInt FirstReadChunk(TPtrC8& aChunk) const;

    63     IMPORT_C TUint64 Size() const;

    64     IMPORT_C TUint Type() const;

    65     IMPORT_C TBool CommitRequired() const;

    66     IMPORT_C MMTPType* CommitChunkL(TPtr8& aChunk);

    67     

    68 private: // From TMTPTypeFlatBase

    69     

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

    71 

    72 private: 

    73    

    74     /**

    75     The maximum dataset size in bytes.

    76     */

    77     static const TInt                               KMaxSize = 20;

    78     

    79     /**

    80     The dataset element metadata table content.

    81     */

    82     static const TMTPTypeFlatBase::TElementInfo     iElementMetaData[];

    83     

    84     /**

    85     The dataset element metadata table.

    86     */

    87     const TFixedArray<TElementInfo, ENumElements>   iElementInfo;

    88     

    89     /**

    90     The data buffer.

    91     */

    92     TBuf8<KMaxSize>                                 iBuffer;

    93     

    94     /**

    95     The number of parameters in the block which are set.

    96     */

    97     TUint                                           iNumParameters;

    98     };

    99 

   100 #endif // TMTPUSBPARAMETERPAYLOADBLOCK_H

   101