/*

* Copyright (c) 2006 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:  Watches for the integer P&S property and notifies the observer

*                about the changes

*

*/

#ifndef INTPROPERTYWATCHER_H

#define INTPROPERTYWATCHER_H

#include <e32property.h>

#include <e32base.h>

/**

 * Interface for those who want to be notified about the property change

 */

class MIntChangeNotifiable

    {

    public:

        virtual void IntValueChanged(TInt aNewValue) = 0;

    };

/**

 * After the creation watches for the given Publish & Subscribe property

 * changes and notifies the observer about the changes

 */

class CIntPropertyWatcher : public CActive

    {

    public:

        static CIntPropertyWatcher* NewL( const TUid aCategory, TUint aKey, 

                                        MIntChangeNotifiable& aObserver );

        virtual ~CIntPropertyWatcher();

    private:

        CIntPropertyWatcher( MIntChangeNotifiable& aObserver );

        void ConstructL( const TUid aCategory, TUint aKey );

        void RunL();

        void DoCancel();

    private:

        RProperty iProperty;

        MIntChangeNotifiable& iObserver;

    };

#endif // INPROPERTYWATCHER_H