--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datasourceadaptation/gpsdatasourceadaptation/common/inc/mdatabusobserver.h	Tue Feb 02 01:50:39 2010 +0200
@@ -0,0 +1,36 @@
+// Copyright (c) 2008-2009 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:
+// Mixin observer interface for an data bus
+// 
+//
+
+/**
+ @file
+ @InternalComponent
+*/
+
+#ifndef __MDATABUSOBSERVER_H__
+#define __MDATABUSOBSERVER_H__
+
+#include <e32base.h>
+#include <lbspositioninfo.h>
+
+class MDataBusObserver
+	{
+	public:
+		virtual void DataUpdate(TPositionInfo& aPosition, TInt aStatus, TInt aError, TTime aActualTime, TUint aAttributes = 0, TUint aMode = 0) = 0;
+		virtual TInt DataError(TInt aError, TInt aStatus) = 0;
+	};
+
+#endif // __MDATABUSOBSERVER_H__