--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensorservices/sensorserver/inc/client/sensrvconditionhandlerobserver.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2006-2008 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:  Channel data observer.
+*
+*/
+
+
+#ifndef MSENSRVCONDITIONHANDLEROBSERVER_H
+#define MSENSRVCONDITIONHANDLEROBSERVER_H
+
+
+#include <e32base.h>
+#include "sensrvtypes.h"
+#include "sensrvchannelconditionset.h"
+
+
+/**
+*  Channel condition observer. Callback interface to indicate when a condition is 
+*  met.
+* 
+*  @lib SensrvClient.lib
+*  @since S60 5.0  
+*/
+class MSensrvConditionHandlerObserver
+    {
+        public:
+        /**
+        * Notification about the condition met.
+        *
+        * @since S60 5.0
+        * @param[in] aSetId Condition set id that was met.
+        * @param[in] aValue The data value that caused meeting of this condition.
+        */
+        virtual void ConditionMet( TInt aSetId, 
+                                   TDesC8& aValue ) = 0;
+
+        /**
+        * Condition listening failed.
+        * If error was fatal, channel has also been closed and sensor server 
+        * session terminated.
+        * If error was minor, some condition meetings have potentially been missed.
+        *
+        * @since S60 5.0
+        * @param[in] aError Error code.
+        */
+        virtual void ConditionError( TSensrvErrorSeverity aError ) = 0;
+
+        /**
+        * Reopen channel.
+        * Data listening and property listening need restarting
+        *
+        * @since S60 5.0        
+        */
+        virtual void ReopenChannelForConditionListeningL() = 0;
+    };
+
+#endif //MSENSRVCONDITIONHANDLEROBSERVER_H