/*

* Copyright (c) 2008-2008 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:  Monitors for publish and subscribe property.

*

*/

#ifndef C_PNSMONITOR_H

#define C_PNSMONITOR_H

#include <e32base.h>

class MPNSMonitorObserver;

/**

 *  publish and subscribe monitor class

 *

 *  @since S60 5.0

 */

NONSHARABLE_CLASS( CPNSMonitor ) : public CActive

    {

public:

    /**

    * Two-phased constructor

    */

    static CPNSMonitor* NewL( MPNSMonitorObserver& aObserver );

    /**

    * Virtual destructor

    */

    virtual ~CPNSMonitor();

    /**

    * Start monitoring a particular publish and subscribe property

    */

    void Start();

protected:

    /**

    * From CActive

    */

    void RunL();

    /**

    * From CActive

    */

    void DoCancel();

    /**

    *  From CActive

    */

    TInt RunError( TInt aError );    

private:

    /**

    * Private constructor

    */

    CPNSMonitor( MPNSMonitorObserver& aObserver );

    /**

    * 2nd phased constructor

    */

    void ConstructL();

private: // data

    MPNSMonitorObserver& iObserver;

    RProperty iPropertyHandler;

    };

#endif // C_PNSMONITOR_H