diff -r fb3763350a08 -r 4d54b72983ae taskswitcher/contextengine/tsctxutils/inc/tscenreplistener.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/tsctxutils/inc/tscenreplistener.h	Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 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: 
+*
+*/
+
+#ifndef CTSCENREPLISTENER_H
+#define CTSCENREPLISTENER_H
+
+#include <e32base.h>
+
+class CRepository;
+
+/**
+ * Observer interface for getting notifications about a cenrep key change.
+ */
+class MTsCenrepChangeObserver
+    {
+public:
+    virtual void CenrepChanged( TUint32 aKey, TInt aNewValue ) = 0;
+    };
+
+/**
+ * Class to get notifications about changes to a cenrep key.
+ */
+NONSHARABLE_CLASS( CTsCenrepListener ) : public CActive
+    {
+public:
+    /**
+     * Fist step constructor
+     */
+    IMPORT_C static CTsCenrepListener* NewL(const TUid& aRep, TUint32 aKey,
+                                            MTsCenrepChangeObserver& aObserver);
+    
+    /**
+     * Fist step constructor
+     */
+    IMPORT_C static CTsCenrepListener* NewLC(const TUid& aRep, TUint32 aKey,
+                                             MTsCenrepChangeObserver& aObserver);
+    
+    /**
+     * Destructor.
+     */
+    IMPORT_C ~CTsCenrepListener();
+    
+    /**
+     * Returns the current value of the watched key.
+     */
+    IMPORT_C TInt Value();
+    
+private:
+    /**
+     * Constructor.
+     * Starts listening for the key.
+     */
+    CTsCenrepListener(TUint32 aKey,
+        MTsCenrepChangeObserver& aObserver );
+    
+    /**
+     * Second step constructor 
+     */
+    void ConstructL(const TUid& aRep);
+    
+    void DoCancel();
+    void RunL(); 
+    TInt RunError( TInt aError );
+    
+    MTsCenrepChangeObserver& iObserver;
+    CRepository* iRep;
+    TUint32 iKey;
+    };
+    
+#endif /*CTSCENREPLISTENER_H*/