diff -r 000000000000 -r 8c5d936e5675 profilesservices/ProfileEngine/WrapperSrc/CProEngObserverBase.h --- /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 + +// 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 +