/*

* Copyright (c) 2007-2009 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:

*

*/

#ifndef EPOS_MPOSMODULESTATUSMANAGER_H

#define EPOS_MPOSMODULESTATUSMANAGER_H

#include <lbs.h>

class MPosModuleStatusListener;

/**

*  This is an interface through which a PSY can get module settings and listen

*  to module settings change.

* 

*/

class MPosModuleStatusManager

    {

    public:

        /**

        * Add a listener to get the module status change event. 

        *

        * The listener must be removed when the client does not want to get

        * module status change event any more.

        *

        * @param aListener The reference to listener class.

        */

        virtual void AddListenerL(

            MPosModuleStatusListener& aListener ) = 0;

        /**

        * Remove a listener of module status chagne event.

        *

        * If the listener has not been added, this function does nothing.

        *

        * @param aListener The reference to the listener class.

        */

        virtual void RemoveListener(

            MPosModuleStatusListener& aListener) = 0;

        /**

        * Obtains information about the specified positioning module.

        *

        * @param[out] aStatus contains, on successful completion, the status of

        * the specified positioning module

        * @param aModuleId the unique identifier (UID) of a positioning module

        * @return a symbian OS error code.

        * @return KErrNotFound is returned if the specified moduleId is not valid.

        */

        virtual TInt GetModuleStatus(

            const TPositionModuleId& aModuleId,

            TPositionModuleStatusBase& aStatus ) const = 0;

    };  

#endif  // EPOS_MPOSMODULESTATUSMANAGER_H