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 */

    20 

    21 #include <mtp/mtpdatatypeconstants.h>

    22 #include <mtp/tmtptypenull.h>

    23 

    24 #include "mtpdatatypespanic.h"

    25 

    26 /**

    27 Default constructor.

    28 */

    29 EXPORT_C TMTPTypeNull::TMTPTypeNull() :

    30 	iNullBuffer(NULL, 0, 0)

    31     {

    32     }

    33 

    34 /**

    35 Sets the data sink buffer to be used in write data stream operations.

    36 @param aBuffer The data sink buffer.

    37 */

    38     

    39 EXPORT_C void TMTPTypeNull::SetBuffer(const TDes8& aBuffer)

    40 	{

    41 	iNullBuffer.Set(aBuffer.MidTPtr(0));

    42 	}

    43     

    44 EXPORT_C TInt TMTPTypeNull::FirstReadChunk(TPtrC8& aChunk) const

    45     {

    46     aChunk.Set(KNullDesC8);

    47     return KMTPChunkSequenceCompletion;

    48     }

    49     

    50 EXPORT_C TInt TMTPTypeNull::NextReadChunk(TPtrC8& aChunk) const

    51     {

    52     aChunk.Set(KNullDesC8);

    53     return KErrNotReady;

    54     }

    55     

    56 EXPORT_C TInt TMTPTypeNull::FirstWriteChunk(TPtr8& aChunk)

    57     {

    58     aChunk.Set(&iNullBuffer[0], 0, iNullBuffer.MaxLength());

    59     return KErrNone;

    60     }

    61     

    62 EXPORT_C TInt TMTPTypeNull::NextWriteChunk(TPtr8& aChunk)

    63 	{

    64     aChunk.Set(&iNullBuffer[0], 0, iNullBuffer.MaxLength());

    65     return KErrNone;

    66     }

    67     

    68 EXPORT_C TUint64 TMTPTypeNull::Size() const

    69     {

    70     return 0;

    71     }

    72 

    73 EXPORT_C TUint TMTPTypeNull::Type() const

    74     {

    75     return EMTPTypeUndefined;        

    76     }