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 #ifndef CMTPTYPEOPAQUEDATA_H_

    22 #define CMTPTYPEOPAQUEDATA_H_

    23 

    24 #include <e32base.h>

    25 #include <mtp/mmtptype.h>

    26 

    27 class CMTPTypeOpaqueData : public CBase, public MMTPType

    28     {

    29 public:

    30     IMPORT_C static CMTPTypeOpaqueData* NewL();

    31     IMPORT_C static CMTPTypeOpaqueData* NewLC();

    32     IMPORT_C static CMTPTypeOpaqueData* NewL(const TDesC8 &aDes);

    33     IMPORT_C static CMTPTypeOpaqueData* NewLC(const TDesC8 &aDes);

    34     IMPORT_C ~CMTPTypeOpaqueData();

    35     

    36 public: //MMTPType

    37     IMPORT_C virtual TInt FirstReadChunk(TPtrC8& aChunk) const;

    38     IMPORT_C virtual TInt NextReadChunk(TPtrC8& aChunk) const;

    39     IMPORT_C virtual TInt FirstWriteChunk(TPtr8& aChunk);

    40     IMPORT_C virtual TInt NextWriteChunk(TPtr8& aChunk);

    41     IMPORT_C virtual TBool CommitRequired() const;

    42     IMPORT_C virtual MMTPType* CommitChunkL(TPtr8& aChunk);

    43     IMPORT_C virtual TUint64 Size() const;

    44     IMPORT_C virtual TUint Type() const;

    45     IMPORT_C virtual TInt FirstWriteChunk(TPtr8& aChunk, TUint aDataLength);

    46 

    47 public:

    48     IMPORT_C TInt Read(TPtrC8 &aDes) const;

    49     IMPORT_C TInt Write(const TPtrC8 &aDes);

    50     

    51 private:

    52     void ConstructL();

    53     void ConstructL(const TDesC8 &aDes);

    54     CMTPTypeOpaqueData();

    55     TInt CreateBuffer( const TInt aMaxSize );

    56 

    57     

    58 private:

    59     RBuf8    iBuffer;

    60     TPtr8    iPtrBuffer;

    61     };

    62 

    63 

    64 #endif /* CMTPTYPEOPAQUEDATA_H_ */