/*

* Copyright (c) 2002 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:  Callback for background task status change notification

*

*/

#ifndef MCABACKGROUNDOBSERVER_H

#define MCABACKGROUNDOBSERVER_H

// INCLUDES

#include "MCABackgroundInterface.h"

#include <e32std.h>

// CLASS DECLARATION

/**

*  Callback for background task status change notification.

*

*  @lib CAEngine.lib

*  @since 1.2

*/

class MCABackgroundObserver

    {

    public:

        /**

        * Call if an event happend that match registered task and event mask.

        * @param aEventSource is the source of event

        * @param aStatus is the status of the background task

        * @param aSubTaskNumber is the number of subtask

        * @param aLeaveCode is the leave code of the task/subtask

        */

        virtual void HandleBackgroundEvent(

            MCABackgroundInterface::TCABackgroundTasks aEventSource,

            MCABackgroundInterface::TCABackgroundStatus aStatus,

            TInt aSubTaskNumber,

            TInt aLeaveCode

        ) = 0;

    protected:

        /**

        * Destructor.

        */

        virtual ~MCABackgroundObserver() {};

    };

#endif      // MCABACKGROUNDOBSERVER_H

// End of File