/*

* Copyright (c) 2007 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:  CSysApCenRepFmTxObserver class definition. 

*

*/

#ifndef SYSAPCENREPFMTXOBSERVER_H

#define SYSAPCENREPFMTXOBSERVER_H

// INCLUDES

#include <e32base.h>

#include <cenrepnotifyhandler.h>

// FORWARD DECLARATIONS

class CRepository;

class CSysApAppUi;

// CLASS DECLARATION

/**

*  CSysApCenRepFmTxObserver

*

*  Observer class for FM TX related Central Repository keys.

*

*  @lib None.

*  @since 3.2

*/

class CSysApCenRepFmTxObserver : public CBase, public MCenRepNotifyHandlerCallback

    {

    public: // Constructors and destructor

        /**

        * Symbian two-phased constructor.

        */

        static CSysApCenRepFmTxObserver* NewL( CSysApAppUi& aSysApAppUi );

        /**

        * Destructor.

        */

        virtual ~CSysApCenRepFmTxObserver();

    private:

        /**

        * Symbian 2nd-phase constructor.

        * @param None

        * @return void

        */

        void ConstructL( );

        /**

        * Constructor

        * @param CSysApAppUi& aSysApAppUi

        * @return void

        */         

        CSysApCenRepFmTxObserver( CSysApAppUi& aSysApAppUi );

        /**

        * C++ default constructor.

        * @param None

        * @return void

        */

        CSysApCenRepFmTxObserver();

    public: // From MCenRepNotifyHandlerCallback

        void HandleNotifyInt( TUint32 aId, TInt aNewValue );

        void HandleNotifyError( TUint32 aId, TInt error, CCenRepNotifyHandler* aHandler );

    public: // Other functions

        /**

        * Returns the current frequency

        *

        * @return TInt

        */               

        TInt Frequency() const;

    private:

        // By default, prohibit copy constructor

        CSysApCenRepFmTxObserver( const CSysApCenRepFmTxObserver& );

        // Prohibit assigment operator

        CSysApCenRepFmTxObserver& operator= ( const CSysApCenRepFmTxObserver& );

    private:

        /**

        * SysAp application class.

        */

        CSysApAppUi& iSysApAppUi;

        /**

        * CenRep session for FM TX keys.

        * Own.

        */

        CRepository* iSession;

        /**

        * Notify handler for FM TX CenRep key.

        * Own.

        */ 

        CCenRepNotifyHandler* iFmTxPowerStateHandler;

        /**

        * Tuned FM TX frequency.

        */

        TInt iFrequency;

    };

#endif      // SYSAPCENREPFMTXOBSERVER_H

// End of File