/*+
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). +
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:  This is the class handles Message Handling between Audio Resrouce+
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*                and Adaption layer+
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*+
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*+
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*/+
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+
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#ifndef CAUDIORESOURCEPROXYAO_H+
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#define CAUDIORESOURCEPROXYAO_H+
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+
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//  INCLUDES+
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#include <e32base.h>+
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#include <mmfcontrollerframework.h>+
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#include <MCustomCommand.h>+
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+
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// FORWARD DECLARATIONS+
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class CCustomCommandUtility;+
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class CAudioResourceUtilityProxy;+
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//class CAudioOutput;+
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+
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// CLASS DECLARATION+
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+
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/**+
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*  This is the Audio Resource proxy Active object class responsible for handling callback messages.+
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*+
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*  @lib AudioResourceProxy.lib+
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*  @since 3.0+
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*/+
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class CAudioResourceProxyAO : public CActive+
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    {+
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    public:+
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        /**+
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        * Two-phased constructor.+
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        */+
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        static CAudioResourceProxyAO* NewL(CAudioResourceUtility *aResourceProxy,+
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        								MAudioResourceUtilityObserver& aObserver,+
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        								MCustomCommand* aUtility);+
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+
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        virtual ~CAudioResourceProxyAO();+
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+
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		/**+
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        * Send Asyncronous Message+
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        * @since 3.0+
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        */+
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		void SendAsyncMessage(const TMMFMessageDestinationPckg& aDestination,+
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	                                      TInt aFunction );+
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+
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		void SetRegisterFlag(TBool aFlag);+
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+
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    private:+
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+
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        /**+
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        * C++ default constructor.+
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        */+
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        CAudioResourceProxyAO(CAudioResourceUtility *aResourceProxy,+
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        					MAudioResourceUtilityObserver& aObserver,+
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        					MCustomCommand* aUtility);+
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+
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        /**+
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        * By default Symbian 2nd phase constructor is private.+
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        */+
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        void ConstructL();+
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+
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        void RunL();+
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+
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        void DoCancel();+
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+
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	private:+
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		CAudioResourceUtility*				iAudioResourceProxy;+
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		MAudioResourceUtilityObserver&		iObserver;+
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		MCustomCommand*				iCustomCommandUtility;+
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		const TMMFMessageDestinationPckg*				iDestination;+
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		TInt											iFunction;+
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		TBool											iRegistered;+
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+
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    };+
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+
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#endif 		// CAUDIORESOURCEPROXYAO_H+
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