--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/profilesservices/ProfileEngine/WrapperSrc/CProEngObserverBase.h	Thu Dec 17 08:52:52 2009 +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:  The base class for listening to events in Publish & Subscribe or in
+* 				Central Repository
+*
+*/
+
+
+
+#ifndef CPROENGOBSERVERBASE_H
+#define CPROENGOBSERVERBASE_H
+
+// INCLUDES
+#include <e32base.h>
+
+// CLASS DECLARATION
+
+/**
+* The base class for listening to events in Publish & Subscribe or in
+* Central Repository. This is a helper class for CProEngNotifyHandlerImpl.
+*
+*  @lib ProfileEngine.lib
+*  @since 3.1
+*/
+NONSHARABLE_CLASS( CProEngObserverBase ) : public CActive
+    {
+    protected:  // constructor and destructor
+
+        CProEngObserverBase( TUint32 aKey );
+
+        virtual ~CProEngObserverBase() {};
+
+    public: // New functions:
+
+        /**
+         * Absract method to request notifications from the source determined
+         * by the subclass. This must be called once after the real observer
+         * class is constructed. After that this is called by RunL() of this
+         * class.
+         * @return KErrNone if succeed, otherwise a system-wide error code.
+         */
+        virtual TInt RequestNotification() = 0;
+
+        /**
+         * Abstract method to send notification to the observer.
+         */
+        virtual void NotifyObserverL() = 0;
+
+        /**
+         * Abstract method to send notification about the given error to the
+         * observer.
+         * @param aError the error code to be delivered to the observer.
+         */
+        virtual void NotifyError( TInt aError ) = 0;
+
+    private: // Functions from base classes
+
+        /**
+         * From CActive.
+         */
+        void RunL();
+
+    protected: // Data:
+
+        // The key to observe
+        TUint32 iKey;
+
+    };
+
+#endif      //  CPROENGOBSERVERBASE_H
+
+// End of File
+