/*

* 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 the 

*               Publish & Subscribe.

*

*/

#ifndef CPROENGPUBSUBOBSERVERBASE_H

#define CPROENGPUBSUBOBSERVERBASE_H

// INCLUDES

#include    "CProEngObserverBase.h"

#include    <e32property.h>  // RProperty

// CLASS DECLARATION

/**

* The base class for listening to events in the Publish & Subscribe. This is

* a helper class for CProEngNotifyHandlerImpl.

*

*  @lib ProfileEngine.lib

*  @since 3.1

*/

NONSHARABLE_CLASS( CProEngPubSubObserverBase ) : public CProEngObserverBase

    {

    protected:  // constructor and destructor

        CProEngPubSubObserverBase( TUint32 aPubSubKey );

        virtual ~CProEngPubSubObserverBase();

    public: // Functions from base classes

        /**

         * From CProEngObserverBase.

         */

        TInt RequestNotification();

        /**

         * From CActive.

         */

        void DoCancel();

    protected: // Data:

        // Profiles Engine Publish and Subscribe interface

        RProperty iProperty;

        TBool iAttatched;

    };

#endif      //  CPROENGPUBSUBOBSERVERBASE_H

// End of File