/*

* Copyright (c) 2009 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:  For controlling S60 device lights.

*                Helper for SysInfoServicePlugin.

*

*/

#ifndef HTILIGHTSCONTROLLER_H

#define HTILIGHTSCONTROLLER_H

// INCLUDES

#include <e32base.h>

#include <hwrmlight.h>

// FORWARD DECLARATIONS

class MHtiDispatcher;

// CLASS DECLARATION

/**

* For controlling S60 device lights. Helper class for SysInfoServicePlugin.

*/

class CHtiLightsController : public CBase,

                             public MHWRMLightObserver

    {

public:

    static CHtiLightsController* NewL( MHtiDispatcher* aDispatcher );

    /**

    * Called by the plugin when there is a message to be processed by

    * the lights controller.

    * @param aMessage message body destinated to the servive

    * @param aReply on return contains the reply message (OK response)

    */

    void ProcessMessageL( const TDesC8& aMessage, TDes8& aReply );

    ~CHtiLightsController();

    // from MHWRMLightObserver

    void LightStatusChanged( TInt aTarget,

                             CHWRMLight::TLightStatus aStatus );

protected:

    CHtiLightsController( MHtiDispatcher* aDispatcher );

    void ConstructL();

private: // private helper methods

    void HandleLightStatusL( const TDesC8& aMessage );

    void HandleLightOnL( const TDesC8& aMessage );

    void HandleLightOffL( const TDesC8& aMessage );

    void HandleLightBlinkL( const TDesC8& aMessage );

private: // private data

    // The message dispatcher interface for dispatching error messages.

    MHtiDispatcher* iDispatcher;

    // The reply message to dispatch.

    TBuf8<4> iReply;

    // Light client session.

    CHWRMLight* iLight;

    // The latest command

    TInt iCommand;

    // The light target bitmask of latest call

    TInt iTarget;

    // The duration given in latest call

    TInt iDuration;

    // The lights on duration given in latest blink lights call

    TInt iOnDuration;

    // The lights off duration given in latest blink lights call

    TInt iOffDuration;

    // The intensity value of latest call

    TInt iIntensity;

    // The fade value of latest call

    TBool iFade;

    };

#endif // HTILIGHTSCONTROLLER_H