1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Definition of the ClientDataBuffer class.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_CCLIENTDATABUFFER_H

    20 #define C_CCLIENTDATABUFFER_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <DataBuffer.h>

    25 

    26 namespace multimedia

    27     {

    28     // CLASS DECLARATION

    29     /**

    30      *  Object that Implements the Client Buffers.

    31      *  This Class Implements the MDataBuffer interface

    32      *  @lib EnhancedMediaClient.lib

    33      *  @since S60 v3.2

    34      */    

    35 

    36     class CClientDataBuffer : public CBase,

    37                                 public MDataBuffer

    38                             

    39         {

    40         public: // Constructors and destructor

    41 

    42             /**

    43              * Two-phased constructor.

    44              * @param aObserver Observer to callback the Event.

    45              */

    46             static CClientDataBuffer* NewL(TUint aBufferSize);

    47 

    48             /**

    49             * Destructor.

    50             */

    51             ~CClientDataBuffer();

    52 

    53             /**

    54              * From MDataBuffer.

    55              * Returns the Descriptor for the Client

    56              * @since S60 v3.2

    57              */            

    58             virtual TPtr8& GetBufferPtr();

    59 

    60             /**

    61              * From MDataBuffer.

    62              * Returns a boolean if it is the Last Buffer

    63              * @since S60 v3.2

    64              */            

    65             virtual TBool IsLastBuffer();

    66 

    67             /**

    68              * From MDataBuffer.

    69              * Sets the Last Buffer Flag on itself

    70              * @since S60 v3.2

    71              */            

    72             virtual void SetLastBuffer(TBool aStatus);

    73             

    74         private:

    75             CClientDataBuffer();

    76             void ConstructL(TUint aBufferSize);

    77             

    78         private:

    79             /**

    80             * Buffer Pointer

    81             */

    82             HBufC8* iDataBuffer;

    83             /**

    84             * Pointer Descriptor for the Buffer

    85             */

    86             TPtr8 iDataBufferDes;

    87             /**

    88             * Last Buffer Flag

    89             */

    90             TBool iLastBuffer;

    91         };

    92     }

    93 

    94 #endif // C_CCLIENTDATABUFFER_H

    95 

    96 //  End of File