/*

* Copyright (c) 2007 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:  Engine to handle the vibration. Uses MDiagVibratePluginObserver

*                 to inform the vibrate status changes to the client.   

*

*/

#ifndef __DIAGVIBRATEPLUGINENGINE_H__

#define __DIAGVIBRATEPLUGINENGINE_H__

// INCLUDES

#include <hwrmvibra.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class MDiagVibratePluginObserver;

// CLASS DECLARATION

class CDiagVibratePluginEngine : public CBase, 

                                 public MHWRMVibraObserver

    {

    public: // Constructors and destructor

        /**

        * Symbian OS two-phased constructor

        * @return CDiagVibratePluginEngine*

        */

        static CDiagVibratePluginEngine* NewL( MDiagVibratePluginObserver& aObserver );

        /**

        * Symbian OS two-phased constructor

        * @return CDiagVibratePluginEngine*

        */

        static CDiagVibratePluginEngine* NewLC( MDiagVibratePluginObserver& aObserver );

        /**

        * Destructor

        */

        virtual ~CDiagVibratePluginEngine();

    public:

        /**

        * Starts the vibration

        * aVibrationTime Vibration time in seconds

        */

        void StartVibraL( TInt aVibrationTime );

        /**

        * Stops the vibration

        */

        void StopVibra();

    private: // From MHWRMVibraObserver

        /**

        * @see MHWRMVibraObserver::VibraStatusChanged

        */

        virtual void VibraStatusChanged( CHWRMVibra::TVibraStatus aStatus );

        /**

        * @see MHWRMVibraObserver::VibraModeChanged

        */

        virtual void VibraModeChanged( CHWRMVibra::TVibraModeState aStatus );

    private: // Constructors

        /**

        * Private first phase constructor used by NewL and NewLC

        */

        CDiagVibratePluginEngine( MDiagVibratePluginObserver& aObserver );

        /**

        * Second phase constructor.

        */    

        void ConstructL();

    private: //data members

        /**

        * Observer for the vibration events

        */

        MDiagVibratePluginObserver& iObserver;

        /**

        * Vibra hw resource manager

        * own.

        */

        CHWRMVibra*                 iVibra;     

    };

#endif // __DIAGVIBRATEPLUGINENGINE_H__

// End of File