/*

* 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:  observe system idle event

*

*/

#ifndef DRMBACKUPOBSERVER_H

#define DRMBACKUPOBSERVER_H

//  INCLUDES

#include <e32property.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CDRMRightsServer;

// CLASS DECLARATION

/**

*  End time based rights storage class

*  

*  @lib rightsserver.exe

*  @since Series60 2.6

*/

class CDRMBackupObserver : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CDRMBackupObserver* NewL(CDRMRightsServer& aServer);

        /**

        * Destructor.

        */

        virtual ~CDRMBackupObserver();

    public: // New functions

        /**

        * StartL starts the system agent and listen to the event

        * @since Series60 3.0

        * @param

        * @return 

        */

        void Start();

    public: // Functions from base classes

    protected:  // New functions

        /**

        * From CActive

        * @since Series60 3.0

        */

        void RunL();

        /**

        * From CActive

        * @since Series60 3.0

        */

        void DoCancel();

        /**

        * From CActive

        */

        TInt RunError(TInt aError);

    protected:  // Functions from base classes

    private:

        /**

        * C++ default constructor.

        */

        CDRMBackupObserver( CDRMRightsServer& aServer );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        // Prohibit copy constructor if not deriving from CBase.

        CDRMBackupObserver( const CDRMBackupObserver& );

        // Prohibit assigment operator if not deriving from CBase.

        CDRMBackupObserver& operator=( const CDRMBackupObserver& );

    public:     // Data

    protected:  // Data

    private:    // Data

        // helper server reference

        CDRMRightsServer& iServer;

        // For getting notify on idle screen available event.

        RProperty iProperty;

    public:     // Friend classes

    protected:  // Friend classes

    private:    // Friend classes

    };

#endif      // IDLEOBSERVER_H   

// End of File