diff -r 000000000000 -r f979ecb2b13e pimappservices/calendar/client/src/calchangecallback.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pimappservices/calendar/client/src/calchangecallback.cpp	Tue Feb 02 10:12:19 2010 +0200
@@ -0,0 +1,66 @@
+// 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 <calchangecallback.h>
+
+/** Construction function for the filter. 
+
+@param aChangeEntryType Filters notifications to only notify about entries of this type (event/todo/all).
+@param aIncludeUndatedTodos Filters notifications to notify about undated todos.
+@param aTimeRange Filters notifications to only notify about entries within this time range. 
+This will not include entries starting on the end time of this range, or ending on the start time of this range.
+@return Pointer to the newly created filter class.
+@publishedAll
+@released
+@capability None
+*/
+EXPORT_C CCalChangeNotificationFilter* CCalChangeNotificationFilter::NewL(MCalChangeCallBack2::TChangeEntryType aChangeEntryType, TBool aIncludeUndatedTodos, const CalCommon::TCalTimeRange& aTimeRange)
+	{
+	return new (ELeave) CCalChangeNotificationFilter(aChangeEntryType, aIncludeUndatedTodos, aTimeRange);
+	}
+
+CCalChangeNotificationFilter::CCalChangeNotificationFilter(MCalChangeCallBack2::TChangeEntryType aChangeEntryType, TBool aIncludeUndatedTodos, const CalCommon::TCalTimeRange& aTimeRange)
+: iChangeEntryType(aChangeEntryType), iTimeRange(aTimeRange), iIncludeUndatedTodos(aIncludeUndatedTodos)
+	{
+	}
+
+/** Destructor for the filter. Clear away any resources.
+@publishedAll
+@released
+@capability None
+*/
+EXPORT_C CCalChangeNotificationFilter::~CCalChangeNotificationFilter()
+	{
+	}
+
+MCalChangeCallBack2::TChangeEntryType CCalChangeNotificationFilter::ChangeEntryType() const
+	{
+	return iChangeEntryType;
+	}
+
+TCalTime CCalChangeNotificationFilter::StartTime() const
+	{
+	return iTimeRange.StartTime();
+	}
+
+TCalTime CCalChangeNotificationFilter::EndTime() const
+	{
+	return iTimeRange.EndTime();
+	}
+	
+TBool CCalChangeNotificationFilter::IncludeUndatedTodos() const
+	{
+	return iIncludeUndatedTodos;
+	}