--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlanutilities/wlansniffer/wlaninfosorting/src/wsfwlaninfosortingdbchangenotifier.cpp	Wed Sep 01 12:20:32 2010 +0100
@@ -0,0 +1,160 @@
+/*
+* 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 );
+    	}
+	}
+
+