1 /*

     2 * Copyright (c) 2005-2006 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:  AudioOutput Proxy Active Object

    15 *

    16 */

    17 

    18 #ifndef CAUDIOOUTPUTPROXYAO_H

    19 #define CAUDIOOUTPUTPROXYAO_H

    20 

    21 //  INCLUDES

    22 #include <e32base.h>

    23 #include <mmf/common/mmfcontrollerframework.h>

    24 #include <MCustomCommand.h>

    25 // FORWARD DECLARATIONS

    26 class CCustomCommandUtility;

    27 class CAudioOutputProxy;

    28 //class CAudioOutput;

    29 

    30 // CLASS DECLARATION

    31 

    32 /**

    33 *  ?one_line_short_description.

    34 *  ?other_description_lines

    35 */

    36 class CAudioOutputProxyAO : public CActive

    37     {

    38     public:

    39         /**

    40         * Two-phased constructor.

    41         */

    42         static CAudioOutputProxyAO* NewL(CAudioOutput *aOutputProxy,MAudioOutputObserver& aObserver,MCustomCommand* aUtility);

    43 

    44         virtual ~CAudioOutputProxyAO();

    45 

    46 		/**

    47         * ?member_description.

    48         * @since Series 60 3.0

    49         * @param aDestination Handle of the message handler

    50         * @param aFunction Message handler function

    51         * @return void

    52         */

    53 		void SendAsyncMessage(const TMMFMessageDestinationPckg& aDestination,

    54 	                                      TInt aFunction );

    55 

    56 		/**

    57         * ?member_description.

    58         * @since Series 60 3.0

    59         * @param aFlag EFalse=unregistered, ETrue=registered

    60         * @return void

    61         */

    62 		void SetRegisterFlag(TBool aFlag);

    63 

    64     private:

    65 

    66         /**

    67         * C++ default constructor.

    68         */

    69         CAudioOutputProxyAO(CAudioOutput *aOutputProxy,MAudioOutputObserver& aObserver,MCustomCommand* aUtility);

    70 

    71         /**

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

    73         */

    74         void ConstructL();

    75 

    76 		// Functions from base classes

    77 

    78         /**

    79         * From CActive ?member_description

    80         */

    81         void RunL();

    82 

    83         /**

    84         * From CActive ?member_description

    85         */

    86         void DoCancel();

    87 

    88 	private:

    89 		CAudioOutput*									iAudioOutputProxy;

    90 		MCustomCommand*							iCustomCommandUtility;

    91 		TPckgBuf<CAudioOutput::TAudioOutputPreference>	iCallbackData;

    92 		MAudioOutputObserver&							iObserver;

    93 		const TMMFMessageDestinationPckg*				iDestination;

    94 		TInt											iFunction;

    95 		TBool											iRegistered;

    96 

    97 

    98     };

    99 

   100 #endif 		// CAUDIOOUTPUTPROXYAO_H