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:  Progressive Download Utility  Definition of the BufTypeSupEventAO class.

    15 *

    16 */

    17 

    18 

    19 #ifndef BUFFEREMPTIEDEVENTAO_H

    20 #define BUFFEREMPTIEDEVENTAO_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 

    25 namespace multimedia

    26     {

    27 

    28     class MDataBuffer;

    29     // Observer

    30     class MBufferEmptiedObserver

    31         {

    32         public:

    33             virtual void BufferEmptiedBySource() = 0;

    34         };

    35 

    36         /**

    37         *  Class to encapsulate a queue item.

    38     */

    39     class CBufferEmptiedEventAO : public CActive

    40         {

    41         public:  // Constructors and destructor

    42             static CBufferEmptiedEventAO* NewL(MBufferEmptiedObserver&);

    43             virtual ~CBufferEmptiedEventAO();

    44 

    45             void SetActive();

    46             TInt Error();

    47 

    48             void SetBuffer(MDataBuffer* aBuffer);

    49             MDataBuffer* GetBuffer();

    50 

    51         protected:

    52             // From CActive

    53             void RunL();

    54             void DoCancel();

    55             TInt RunError( TInt aError );

    56 

    57         private:

    58             CBufferEmptiedEventAO( MBufferEmptiedObserver& aObserver );

    59             void ConstructL();

    60 

    61         private:

    62             MBufferEmptiedObserver& iObserver;

    63             MDataBuffer* iBuffer;

    64             TInt iError;

    65         };

    66     }

    67 #endif // BUFTYPESUPEVENTAO_H

    68 

    69 // End of File