// Copyright (c) 2005-2009 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:

//

// INCLUDE FILES

#include <e32std.h>

#include "EPos_CPositionerExtension.h"

#include "EPos_MPosStatusObserver.h"

#include "EPos_CPositionerRegistry.h"

#include "EPos_CPosPsyExtension.h"

// ================= MEMBER FUNCTIONS =======================

/**

 * Creates a CPositionerExtension instance.

 *

 * @param aImplementationUid The UID of the CPositioner implementation

 *                           to instantiate.

 * @param aStatusObserver The server object watching for status updates.

 * @param aParamObserver The server object which holds the positioning

 *        parameter values.

 * @return a CPositionerExtension instance.

 */

CPositionerExtension* CPositionerExtension::NewL(

    TUid aImplementationUid,

    MPosStatusObserver* aStatusObserver,

    MPosParameterObserver* aParamObserver)

    {

    CPositionerExtension* self = new (ELeave) CPositionerExtension(aParamObserver);

    CleanupStack::PushL(self);

    self->ConstructL(aImplementationUid, aStatusObserver);

    CleanupStack::Pop(self);

    return self;

    }

/**

 * 2nd phase constructor.

 */

void CPositionerExtension::ConstructL(TUid aImplementationUid, MPosStatusObserver* aStatusObserver)

    {

    iRegistry = CPositionerRegistry::InstanceL(aStatusObserver);

    iPsyExtension = iRegistry->RegisterPositionerL(aImplementationUid);

    }

/**

 * C++ default constructor.

 */

CPositionerExtension::CPositionerExtension(MPosParameterObserver* aParamObserver)

:   iParamObserver(aParamObserver)

    {

    }

/**

 * Destructor.

 */

CPositionerExtension::~CPositionerExtension()

    {

    if (iRegistry)

        {

        if (iPsyExtension)

            {

            TUid implementationUid = iPsyExtension->iImplementationUid;

            iRegistry->DeregisterPositioner(implementationUid);

            }

        iRegistry->Release();

        iRegistry = NULL;

        }

    iPsyExtension = NULL;

    }

//  End of File