diff -r 000000000000 -r a4daefaec16c sipvoipprovider/inc/svppropertywatch.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/inc/svppropertywatch.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,109 @@
+/*
+* Copyright (c) 2007 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:  Active object for watching P&S changes
+*
+*/
+
+
+
+#ifndef CSVPPROPERTYWATCH_H
+#define CSVPPROPERTYWATCH_H
+
+#include <e32base.h>
+#include <e32property.h>
+
+#include "svppropertywatchobserver.h"
+#include "svputdefs.h"
+
+ /**
+ *  Attaches itself to the specified P&S property and notifies clients when 
+ *  property was changed.
+ *
+ *
+ *  @lib svp.dll
+ *  @since S60 3.2
+ */
+class CSVPPropertyWatch : public CActive
+    {
+
+public:
+       
+    /**
+    * Two-phased constructor.
+    */
+    static CSVPPropertyWatch* NewL( MSVPPropertyWatchObserver& aClient,
+                                    const TUid& aCategory,
+                                    TInt aKey );
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CSVPPropertyWatch();
+
+protected:  // Functions from base classes 
+        
+    /**
+    * From CActive. Handles an active object's request completion event.
+    */
+    void RunL();
+
+    /**
+    * From CActive. Implements cancellation of an outstanding request.
+    */
+    void DoCancel();
+    
+    /**
+    * From CActive. Handles a leave occurring in the request completion
+    * event handler RunL().
+    */
+    TInt RunError( TInt aError );
+        
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CSVPPropertyWatch( MSVPPropertyWatchObserver& aClient, TInt aKey );
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL( const TUid& aCategory );
+ 
+     
+private:  // Data
+        
+    /**
+    * The client interested being notified about property changes
+    */
+    MSVPPropertyWatchObserver& iClient;
+
+    /**
+    * The key defining property where watcher attaches to
+    */
+    TInt iKey;
+
+    /**
+    * The property to attach to
+    */
+    RProperty iProperty;
+
+private:
+
+    // For testing
+    SVP_UT_DEFS
+    
+    };
+
+#endif //  C_SVPPROPERTYWATCH_H