/*

* Copyright (c) 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:  Class definition of cell change handler.

*

*/

#include "lbtcellchangehandler.h"

#include "lbtlogger.h"

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

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

// CLbtCellChangeHandler::NewL

// CLbtCellChangeHandler instantiation method

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

//

CLbtCellChangeHandler* CLbtCellChangeHandler::NewL(RMobilePhone& aMPhone)

    {

    FUNC_ENTER("CLbtCellChangeHandler::NewL");

    CLbtCellChangeHandler* self = new (ELeave) CLbtCellChangeHandler(aMPhone);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

// CLbtCellChangeHandler::CLbtCellChangeHandler

// 

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

//

CLbtCellChangeHandler::CLbtCellChangeHandler(RMobilePhone& aMPhone):

    CActive(EPriorityStandard), iMPhone(aMPhone),

    iCommandId(-1), iNwInfo(), iNwInfoPckg(iNwInfo), iLocArea()

    {

    CActiveScheduler::Add(this);

    }

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

// CLbtCellChangeHandler::~CLbtCellChangeHandler

// 

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

//

CLbtCellChangeHandler::~CLbtCellChangeHandler()

    {

    FUNC_ENTER("CLbtCellChangeHandler::~CLbtCellChangeHandler");

    if (IsActive())

        {

        Cancel();

        }

    iObserverArray.Close();

    }

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

// CLbtCellChangeHandler::ConstructL

// 

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

//

void CLbtCellChangeHandler::ConstructL()

    {

    }

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

// CLbtCellChangeHandler::RunL

// 

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

//

void CLbtCellChangeHandler::RunL()

    {

    FUNC_ENTER("CLbtCellChangeHandler::RunL");

    if( iStatus.Int() == KErrNone )

        {

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

            {

            iObserverArray[i]->HandleCellChangeEvent( KErrNone, iNwInfo, iLocArea );

            }

        }

    iLastStatusInfo = iStatus.Int();

    if( !IsActive() )

        {

        iMPhone.NotifyCurrentNetworkChange( iStatus, iNwInfoPckg, iLocArea );

	    SetActive();

	    iCommandId = EMobilePhoneNotifyCurrentNetworkChange;   

        }

	}

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

// CLbtCellChangeHandler::DoCancel

// 

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

//

void CLbtCellChangeHandler::DoCancel()

    {

    FUNC_ENTER("CLbtCellChangeHandler::DoCancel");

    iMPhone.CancelAsyncRequest( iCommandId );

    }

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

// CLbtCellChangeHandler::GetNetworkInfo

// 

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

//

void CLbtCellChangeHandler::GetNetworkInfo()

    {

    FUNC_ENTER("CLbtCellChangeHandler::GetNetworkInfo");

    if(!IsActive())

        {

        iMPhone.GetCurrentNetwork( iStatus,iNwInfoPckg,iLocArea );

        SetActive();

        iCommandId = EMobilePhoneGetCurrentNetwork;

        }

    }

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

// CLbtCellChangeHandler::SetObserver

// 

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

//

void CLbtCellChangeHandler::SetObserver( MCellChangeObserver* aObserver )

    {

    FUNC_ENTER("CLbtCellChangeHandler::SetObserver");

    iObserverArray.Append( aObserver );

    // If cell change handler already has cell information,update it to the observer

    if( iLocArea.iCellId && iLastStatusInfo == KErrNone )

        {

        aObserver->HandleCellChangeEvent( iLastStatusInfo ,iNwInfo, iLocArea );

        }

    if( !IsActive() )

        {

        GetNetworkInfo();

        }

    }

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

// CLbtCellChangeHandler::Remove

// 

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

//

void CLbtCellChangeHandler::Remove( MCellChangeObserver* aObserver )

	{

	FUNC_ENTER("CLbtCellChangeHandler::Remove");

	if( iObserverArray.Count() )

	    {

	    TInt position = iObserverArray.Find( aObserver );	

    	if( position != KErrNotFound )

    		{

        	iObserverArray.Remove( position );

        	if( !iObserverArray.Count() )

        	    {

        	    Cancel();

        		}

    	    }

	    }

	}	

// End of File