/*

* 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: 

*     Handles landmark settings events.

*

*/

#ifndef CPOSLMSERVERSETTINGSHANDLER_H

#define CPOSLMSERVERSETTINGSHANDLER_H

// INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CPosLmServer;

class CPosLmSettingsHandler;

// CLASS DECLARATION

/**

 *  Handles landmark settings events.

 */

class CPosLmServerSettingsHandler : public CActive

    {

    public:    // Constructors and destructor

        /**

        * Two-phase constructor

        * @param aServer The server creating this session.

        */

        static CPosLmServerSettingsHandler* NewL(

        /* IN */        CPosLmServer& aServer

        );

        /**

        * C++ Destructor

        */

        ~CPosLmServerSettingsHandler();

    public:     // New functions

        /**

        * Starts listening for landmark settings events.

        */

        TInt StartListening();

    protected:  // Functions from base classes

        /**

        * From CActive.

        * Active Object event handler.

        * Restarts the listening for landmark settings events. Then it

        * notifies listening clients that landmark settings have changed.

        */

        void RunL();

        /**

        * From CActive.

        * Active Object cancel handler.

        */

        void DoCancel();

        /**

        * From CActive.

        * If RunL leaves, all listening clients are notified. Only the call to

        * User::LeaveIfError(StartListening()) can leave.

        * HandleLandmarkSettingsChangedL does not leave. StartListening returns

        * an error code if the settings handler in Internal Services could not

        * be started.

        *

        * @return An error code.

        */

        TInt RunError(TInt aError);

    private:

        /**

        * C++ Constructor

        */

        CPosLmServerSettingsHandler(

        /* IN */        CPosLmServer& aServer

        );

        /**

        *  By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        void HandleLandmarkSettingsChangedL(

        /* IN */        const TDesC& aUri

        );

        // By default, prohibit copy constructor

        CPosLmServerSettingsHandler(

            const CPosLmServerSettingsHandler& );

        // Prohibit assigment operator

        CPosLmServerSettingsHandler& operator= (

            const CPosLmServerSettingsHandler& );

    private:    // Data

        CPosLmSettingsHandler* iSettingsHandler;

        CPosLmServer*          iLmServer;

    };

#endif // CPOSLMSERVERSETTINGSHANDLER_H

// End of File