/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  General active object offering asynchronous service 

*

*/

#ifndef BTRCCACTIVE_H

#define BTRCCACTIVE_H

//  INCLUDES

#include <e32base.h>

class CBTRCCActive;

class MBTRCCActiveObserver

    {

    public:

        virtual void RequestCompletedL(CBTRCCActive& aActive, TInt aErr) = 0;

        virtual void CancelRequest(TInt aServiceId) = 0;

    };

/**

*  CBTRCCActive listens to the Volume PS Key changes.

*/

NONSHARABLE_CLASS(CBTRCCActive) : public CActive

    {

    public:

        /**

        * Two-phased constructor.

        */

        static CBTRCCActive* NewL(MBTRCCActiveObserver& aObserver, TInt aServiceId = 0, 

            CActive::TPriority aPriority = EPriorityStandard /*TPriority::EPriorityStandard*/);

        static CBTRCCActive* NewLC(MBTRCCActiveObserver& aObserver, TInt aServiceId = 0, 

                CActive::TPriority aPriority = EPriorityStandard /*TPriority::EPriorityStandard*/);

        /**

        * Destructor.

        */

        ~CBTRCCActive();

    public:

        virtual void GoActive();

        TInt ServiceId() const;

        void SetServiceId(TInt aServiceId);

    protected:

        /**

        * From CActive. Called when asynchronous request completes.

        * @since 3.0

        * @param None

        * @return None

        */

        virtual void RunL();

        virtual void DoCancel();

    protected:

        /**

        * C++ default constructor.

        */

        CBTRCCActive(MBTRCCActiveObserver& aObserver, 

                TInt aServiceId, CActive::TPriority aPriority);

        MBTRCCActiveObserver& Observer();

    private:

        MBTRCCActiveObserver& iObserver;

        TInt iServiceId;

    };

#endif  // BTRCCACTIVE_H

// End of File