/*

* Copyright (c) 2005 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:  

*       See class description below.

*

*/

#ifndef __EPOS_CSUPLSETTINGSNOTIFIER_H__

#define __EPOS_CSUPLSETTINGSNOTIFIER_H__

//  INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CRepository;

class MSuplSettingsObserver;

// CLASS DECLARATION

/**

*  This class listens for SUPL settings events. Every change is reported to the

*  observer.

*

* This is part of @lib epos_suplsettings.lib

*  @since 3.1

*/

NONSHARABLE_CLASS(CSuplSettingsNotifier) :public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        *

        * @param aSuplSettingsEngine The SUPL Settings 

        * @param aObserver The SUPL Settings observer

        */

        static CSuplSettingsNotifier* NewL(

        /* IN  */   MSuplSettingsObserver& aObserver,/* IN */ TBool aDBListener = EFalse

        );

        /**

        * Destructor.

        */

        virtual ~CSuplSettingsNotifier();

    public: // New functions

    protected:  // Functions from base classes

        /**

        * From CActive

        */

        void RunL();

        /**

        * From CActive

        */

        void DoCancel();

        /**

        * From CActive

        */

        TInt RunError(

        /* IN  */       TInt  aError

        );

    protected:

        /**

        * C++ default constructor.

        */

        CSuplSettingsNotifier(

        /* IN  */   MSuplSettingsObserver& aObserver, /*IN*/ TBool aDBListener = EFalse);

        /**

        * By default EPOC constructor is protected.

        */

        void ConstructL();

    private:  // New functions

        void StartListening();

    private:

        // By default, prohibit copy constructor

        CSuplSettingsNotifier( const CSuplSettingsNotifier& );

        // Prohibit assigment operator

        CSuplSettingsNotifier& operator= ( const CSuplSettingsNotifier& );

    private:    // Data

        MSuplSettingsObserver&  iObserver;

        CRepository* iRepository;

        TBool iStopObserve;

        TInt iFallBackValue;

        TInt iFallBackTimerValue;

        //used to indicate if this object was created to listen for DB Change events

        TBool iDBListener; 

        HBufC* iImsi;

    };

#endif      // __EPOS_CSUPLSETTINGSNOTIFIER_H__

// End of File