/*

* 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 IDLEOBSERVER_H

#define IDLEOBSERVER_H

//  INCLUDES

#include <e32property.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CDRMHelperServer;

// CLASS DECLARATION

/**

*  End time based rights storage class

*  

*

*  @lib DRMHelperServer.lib

*  @since Series60 2.6

*/

class CIdleObserver : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CIdleObserver* NewL(CDRMHelperServer& aServer);

        /**

        * Destructor.

        */

        virtual ~CIdleObserver();

    public: // New functions

        /**

        * StartL starts the system agent and listen to the event

        * @since Series60 2.6

        * @param

        * @return 

        */

        void StartL();

    public: // Functions from base classes

    protected:  // New functions

        /**

        * From CActive

        * @since Series60 2.6

        */

        void RunL();

        /**

        * From CActive

        * @since Series60 2.6

        */

        void DoCancel();

    protected:  // Functions from base classes

    private:

        /**

        * C++ default constructor.

        */

        CIdleObserver( CDRMHelperServer& aServer );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        // Prohibit copy constructor if not deriving from CBase.

        CIdleObserver( const CIdleObserver& );

        // Prohibit assigment operator if not deriving from CBase.

        CIdleObserver& operator=( const CIdleObserver& );

    public:     // Data

    protected:  // Data

    private:    // Data

        // helper server reference

        CDRMHelperServer& 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