/*

* Copyright (c) 2004-2005 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:  Implements the class CLandmarksDbEventHandler

*

*/

#include <EPos_CPosLandmarkDatabase.h>

#include "LandmarksDbEventHandler.h"

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

// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------

//

CLandmarksDbEventHandler::CLandmarksDbEventHandler(

    CPosLandmarkDatabase& aDb)

: CActive(CActive::EPriorityStandard), iDb(aDb)

    {

    CActiveScheduler::Add(this);

    ObserveEvents();

    }

// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------

//

CLandmarksDbEventHandler::~CLandmarksDbEventHandler()

    {

    Cancel();

    iDbObservers.Close();

    }

// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------

//

void CLandmarksDbEventHandler::AddObserverL(

    MLandmarksDbObserver* aObserver)

    {

    User::LeaveIfError(iDbObservers.Append(aObserver));

    }

// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------

//

void CLandmarksDbEventHandler::RunL()

    {

    for (TInt i = 0; i < iDbObservers.Count(); i++)

        {

        // All observers must be notified. We cannot allow the observers to 

        // leave.

        TInt err;

        TRAP(err, iDbObservers[i]->NotifyDbEventL(iEvent, iStatus.Int()));

        }

    ObserveEvents();

    }

// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------

//

void CLandmarksDbEventHandler::DoCancel()

    {

    iDb.CancelNotifyDatabaseEvent();

    }

// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------

//

TInt CLandmarksDbEventHandler::RunError(TInt /*aError*/)

    {

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------

//

void CLandmarksDbEventHandler::ObserveEvents()

    {

    iStatus = KRequestPending;

    iDb.NotifyDatabaseEvent(iEvent, iStatus);

    SetActive();

    }