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:  This file contains the definition of asynchronous AO object.

    15 *

    16 */

    17 

    18 

    19 #ifndef ASYNCAO_H

    20 #define ASYNCAO_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 

    25 namespace multimedia

    26     {

    27     class MAsyncAOObserver

    28         {

    29         public:

    30             virtual void Event( TInt aError ) = 0;

    31         };

    32 

    33     // CLASS DECLARATION

    34     class CAsyncAO : public CActive

    35         {

    36         public: // Constructors and destructor

    37             static CAsyncAO* NewL( MAsyncAOObserver& aObserver );

    38             ~CAsyncAO();

    39             TInt SetActive();

    40 

    41             void RunL();

    42             void DoCancel();

    43             TInt Error( TInt aError );

    44 

    45         private:

    46             CAsyncAO( MAsyncAOObserver& aObserver );

    47             void ConstructL();

    48 

    49         private:

    50             MAsyncAOObserver& iObserver;

    51         };

    52     } // namespace multimedia

    53 

    54 #endif // ASYNCAO_H

    55 

    56 //  End of File