1 /*

     2 * Copyright (c) 2005 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 is the class handles Message Handling between Audio Resrouce

    15 *                and Adaption layer

    16 *

    17 *

    18 */

    19 

    20 #ifndef CAUDIORESOURCEPROXYAO_H

    21 #define CAUDIORESOURCEPROXYAO_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 #include <mmfcontrollerframework.h>

    26 #include <MCustomCommand.h>

    27 

    28 // FORWARD DECLARATIONS

    29 class CCustomCommandUtility;

    30 class CAudioResourceUtilityProxy;

    31 //class CAudioOutput;

    32 

    33 // CLASS DECLARATION

    34 

    35 /**

    36 *  This is the Audio Resource proxy Active object class responsible for handling callback messages.

    37 *

    38 *  @lib AudioResourceProxy.lib

    39 *  @since 3.0

    40 */

    41 class CAudioResourceProxyAO : public CActive

    42     {

    43     public:

    44         /**

    45         * Two-phased constructor.

    46         */

    47         static CAudioResourceProxyAO* NewL(CAudioResourceUtility *aResourceProxy,

    48         								MAudioResourceUtilityObserver& aObserver,

    49         								MCustomCommand* aUtility);

    50 

    51         virtual ~CAudioResourceProxyAO();

    52 

    53 		/**

    54         * Send Asyncronous Message

    55         * @since 3.0

    56         */

    57 		void SendAsyncMessage(const TMMFMessageDestinationPckg& aDestination,

    58 	                                      TInt aFunction );

    59 

    60 		void SetRegisterFlag(TBool aFlag);

    61 

    62     private:

    63 

    64         /**

    65         * C++ default constructor.

    66         */

    67         CAudioResourceProxyAO(CAudioResourceUtility *aResourceProxy,

    68         					MAudioResourceUtilityObserver& aObserver,

    69         					MCustomCommand* aUtility);

    70 

    71         /**

    72         * By default Symbian 2nd phase constructor is private.

    73         */

    74         void ConstructL();

    75 

    76         void RunL();

    77 

    78         void DoCancel();

    79 

    80 	private:

    81 		CAudioResourceUtility*				iAudioResourceProxy;

    82 		MAudioResourceUtilityObserver&		iObserver;

    83 		MCustomCommand*				iCustomCommandUtility;

    84 		const TMMFMessageDestinationPckg*				iDestination;

    85 		TInt											iFunction;

    86 		TBool											iRegistered;

    87 

    88     };

    89 

    90 #endif 		// CAUDIORESOURCEPROXYAO_H