/*

* Copyright (c) 2007-2008 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 C_CATALOGSASYNCMEDIATOR_H

#define C_CATALOGSASYNCMEDIATOR_H

#include <e32base.h>

/**

 * Used to call a callback after an asynchronous service completes

 * but before the real client of the asynchronous service is notified

 * of completion

 *

 */

class CCatalogsAsyncMediator : public CActive

    {

public:

    /**

     * Constructor

     *

     * @param aStatus Client's status

     * @param aCallback Callback method that is called when this object completes

     */          

    CCatalogsAsyncMediator( 

        TRequestStatus& aStatus, 

        TCallBack aCallback );

    /**

     * DO NOT DELETE this object before the real request has been completed

     */

    virtual ~CCatalogsAsyncMediator();

    /**

     * Activates this object

     */

    void Activate();

protected:

    virtual void RunL();

    virtual void DoCancel();

    virtual TInt RunError( TInt aError );    

private:

    TRequestStatus& iClientStatus;    

    TCallBack iCallback;

    };

#endif // C_CATALOGSASYNCMEDIATOR_H