/*

* Copyright (c) 2004 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:  This file contains the header file of the CCbsDiskSpaceMonitor class

*    

*

*/

#ifndef     CCBSDISKSPACEMONITOR_H

#define     CCBSDISKSPACEMONITOR_H

//  INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CCbsDbImp;

//  CLASS DECLARATION 

/**

*  The CCbsDiskSpaceMonitor instance listens to 

*  shutdown signal via Publish and Subscribe. On device shutdown,

*  the listener stops server operation by stopping the active scheduler.

*  CbsServer will then be terminated. 

*/

class CCbsDiskSpaceMonitor : public CActive

    {

    public:     // New functions

        /**

        *   Creates an instance of the class.

        *

        *   @param  aDbImp      DB reference

        *   @return             A new instance of CCbsDiskSpaceMonitor

        */

        static CCbsDiskSpaceMonitor* NewL( CCbsDbImp& aDbImp );

        /**

        *   Destructor.

        */

        ~CCbsDiskSpaceMonitor();

        /** 

        *   Reissues the Subscribe request.

        */

        void IssueRequest();

    private:    // From CActive

        /**

        *   Gets called when the system state changes.

        */

        void RunL();

        /**

        *   Cancels an outstanding Subscribe request.

        */

        void DoCancel();

    private:

        /**

        *   The constructor.

        *

        */

        CCbsDiskSpaceMonitor( CCbsDbImp& aServer );

        /**

        *   Finalizes the construction.

        */

        void ConstructL();

    private:    // Data

        // PubSub connection

        RProperty iProperty;

        // DB reference

        CCbsDbImp& iDbImp;

    };

#endif      //  CCBSSHUTDOWNMONITOR_H   

// End of File