--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationtriggering/ltstrategyengine/inc/lbtpsychangelistner.h	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 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:  Class declaration of Psy change handler
+*
+*/
+
+
+#ifndef C_LBTPSYCHANGELISTNER_H
+#define C_LBTPSYCHANGELISTNER_H
+
+#include <e32base.h>
+#include <lbs.h>
+
+
+class MLbtPsyChangeObserver;
+
+/**
+ *  This class listens to PSY change
+ *  
+ *  CLbtPsyChangeHandler registers for notification change in PSY
+ *
+ *  @since S60 v5.1
+ */
+class CLbtPsyChangeListner : public CActive
+    {
+public:
+    /**
+     * Factory function that instantiates an object of CLbtPsyChangeListner
+     */
+    static CLbtPsyChangeListner* NewL( MLbtPsyChangeObserver& aObserver );
+    
+    /**
+     * Destructor.
+     */
+    virtual ~CLbtPsyChangeListner();
+
+    /**
+     * Starts listening to PSY change
+     */
+    void StartToListen( TPositionModuleId aPosID );
+
+         
+protected: // From CActive
+    void RunL();
+    void DoCancel();
+
+private: 
+    /**
+     * Default constructor
+     */
+    CLbtPsyChangeListner( MLbtPsyChangeObserver& aObserver );
+    
+    /**
+     * Symbian 2nd phase constructor
+     */
+    void ConstructL(); 
+
+private://Data
+
+    /**
+     * Session to RPositionServer
+     */
+    RPositionServer iPosServer; 
+    
+    /**
+     * PSY change observer
+     */
+    MLbtPsyChangeObserver& iObserver;
+    
+    /**
+     * Module Id of the PSY for which change notification
+     * is requested
+     */
+    TPositionModuleId iPosID;
+    
+    /**
+     *
+     */
+    TPositionModuleStatusEvent iModuleStatusEvent;
+    };
+
+
+#endif // C_LBTPSYCHANGELISTNER_H