/*

* Copyright (c) 2007-2008 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:  Implementation of CWsfWlanInfoSortingDbChangeNotifier

*

*/

//  CLASS HEADER

#include "wsfwlaninfosortingdbchangenotifier.h"

// INTERNAL INCLUDES

#include "wsfwlaninfosortingfiltervisitor.h"

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

// CWsfWlanInfoSortingDbChangeNotifier::NewLC

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

//

CWsfWlanInfoSortingDbChangeNotifier* 

           CWsfWlanInfoSortingDbChangeNotifier::NewLC( RDbDatabase& aDatabase )

	{

	CWsfWlanInfoSortingDbChangeNotifier* thisPtr = 

	             new (ELeave) CWsfWlanInfoSortingDbChangeNotifier( aDatabase );

	CleanupStack::PushL( thisPtr );

	thisPtr->ConstructL();

	return thisPtr;

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::NewL

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

//

CWsfWlanInfoSortingDbChangeNotifier* CWsfWlanInfoSortingDbChangeNotifier::NewL(

                                                       RDbDatabase& aDatabase )

	{

	CWsfWlanInfoSortingDbChangeNotifier* thisPtr = NewLC( aDatabase );

	CleanupStack::Pop( thisPtr );

	return thisPtr;

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::~CWsfWlanInfoSortingDbChangeNotifier

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

//

CWsfWlanInfoSortingDbChangeNotifier::~CWsfWlanInfoSortingDbChangeNotifier()

	{

	Cancel();

	iDbAwareFilters.Reset();

	iNotifier.Close();

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::CWsfWlanInfoSortingDbChangeNotifier

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

//

CWsfWlanInfoSortingDbChangeNotifier::CWsfWlanInfoSortingDbChangeNotifier( 

                                                      RDbDatabase& aDatabase ):

	CActive( CActive::EPriorityLow ),

	iDatabase( &aDatabase )

	{

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::ConstructL

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

//

void CWsfWlanInfoSortingDbChangeNotifier::ConstructL()

	{

	User::LeaveIfError( iNotifier.Open( *iDatabase ) );

	CActiveScheduler::Add( this );

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::StartDbObservation

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

//

void CWsfWlanInfoSortingDbChangeNotifier::StartDbObservation()

	{

	iNotifier.NotifyChange( iStatus );

	SetActive();

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::DoCancel

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

//

void CWsfWlanInfoSortingDbChangeNotifier::DoCancel()

	{

	iNotifier.Cancel();

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::RunL

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

//

void CWsfWlanInfoSortingDbChangeNotifier::RunL()

	{

	if ( iStatus.Int() >= RDbNotifier::ECommit )

		{

		TInt dbAwareFiltersCount( iDbAwareFilters.Count() );

		if ( dbAwareFiltersCount )

			{

			TInt i( 0 );

			for ( ; i < dbAwareFiltersCount ; i++ )

				{

				(iDbAwareFilters)[i]->ReadFilterDefsL();

				}

			}

		}

	StartDbObservation();

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::AppendDbRelatedFilterL

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

//

void CWsfWlanInfoSortingDbChangeNotifier::AppendDbRelatedFilterL( 

                             MWsfWlanInfoSortingFilterVisitor* aRelatedFilter )

	{

	iDbAwareFilters.AppendL( aRelatedFilter );

	}

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

// CWsfWlanInfoSortingDbChangeNotifier::RemoveDbRelatedFilter

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

//

void CWsfWlanInfoSortingDbChangeNotifier::RemoveDbRelatedFilter( 

                             MWsfWlanInfoSortingFilterVisitor* aRelatedFilter )

	{

	TInt index = iDbAwareFilters.Find( aRelatedFilter );

    if ( index != KErrNotFound )

    	{

    	iDbAwareFilters.Remove( index );

    	}

	}