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 TMTPUSBCONTROLREQUESTDEVICESTATUS_H

    22 #define TMTPUSBCONTROLREQUESTDEVICESTATUS_H

    23 

    24 #include <mtp/tmtptypeflatbase.h>

    25 

    26 /**

    27 Defines the MTP USB device class device status control request dataset. This 

    28 dataset is of variable length depending on the number of non-zero parameter

    29 values.

    30 @internalComponent

    31  

    32 */

    33 class TMTPUsbControlRequestDeviceStatus : public TMTPTypeFlatBase 

    34     {

    35     

    36 public:

    37 

    38     /**

    39     MTP USB device status control request dataset element identifiers.

    40     */

    41     enum TElements

    42         {

    43         EwLength,

    44         ECode,

    45         EParameter1,

    46         EParameter2,

    47         EParameter3,

    48         EParameter4,

    49         EParameter5,

    50         EParameter6,

    51         EParameter7,

    52         EParameter8,

    53         EParameter9,

    54         EParameter10,

    55         EParameter11,

    56         EParameter12,

    57         EParameter13,

    58         EParameter14,

    59         EParameter15,

    60         EParameter16,

    61         EParameter17,

    62         EParameter18,

    63         EParameter19,

    64         EParameter20,

    65         EParameter21,

    66         EParameter22,

    67         EParameter23,

    68         EParameter24,

    69         EParameter25,

    70         EParameter26,

    71         EParameter27,

    72         EParameter28,

    73         EParameter29,

    74         EParameter30,

    75         EParameter31,

    76         EParameter32,

    77         ENumElements

    78         };

    79    

    80     /**

    81     The dataset size in bytes.

    82     */

    83     static const TInt   KMaxSize        = 132;

    84     

    85     /**

    86     The maximum parameter count.

    87     */

    88     static const TUint  KMaxParameters  = (ENumElements - EParameter1);

    89         

    90 public:

    91 

    92     IMPORT_C TMTPUsbControlRequestDeviceStatus();

    93     

    94     IMPORT_C TUint NumParameters() const;

    95      

    96 public: // From TMTPTypeFlatBase

    97     

    98     IMPORT_C void Reset();

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

   100     IMPORT_C TUint32 Uint32(TInt aElementId) const;

   101     IMPORT_C TInt FirstReadChunk(TPtrC8& aChunk) const;

   102     IMPORT_C TUint64 Size() const;

   103     IMPORT_C TUint Type() const;

   104     IMPORT_C TBool CommitRequired() const;

   105     IMPORT_C MMTPType* CommitChunkL(TPtr8& aChunk);

   106     

   107 private: // From TMTPTypeFlatBase

   108 

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

   110 

   111 private:

   112     

   113     /**

   114     The dataset element metadata table content.

   115     */

   116     static const TMTPTypeFlatBase::TElementInfo     iElementMetaData[];

   117     

   118     /**

   119     The dataset element metadata table.

   120     */

   121     const TFixedArray<TElementInfo, ENumElements>   iElementInfo;

   122     

   123     /**

   124     The data buffer.

   125     */

   126     TBuf8<KMaxSize>                                 iBuffer;

   127     

   128     /**

   129     The number of parameters in the dataset which are set.

   130     */

   131     TUint                                           iNumParameters;

   132     };

   133     

   134 #endif // TMTPUSBCONTROLREQUESTDEVICESTATUS_H