/*

* Copyright (c) 2006-2007 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:  Activity Manager

 *

*/

#include <e32base.h>

#include <hwrmlight.h>

#ifndef TMACTIVITYMANAGER_H

#define TMACTIVITYMANAGER_H

//5.0 and 9.2 behaves totally different way, 

//! uncomment on 5.0 !

#define MONITOR_LIGHTS

class MTMActivityManagerObserver

{

public :

    virtual void ActivityChanged(const TBool aActive) = 0;

};

class CTMActivityManager : public CActive

#ifdef MONITOR_LIGHTS   

                           ,public MHWRMLightObserver

#endif

{

public:

    /**

     * Two-phased constructor.

     *

     * @since S60 v5.0

     * @return Instance of CThumbAGProcessor.

     */

    static CTMActivityManager* NewL(MTMActivityManagerObserver* aObserver, TInt aTimeout = 60);

    /**

     * Destructor

     *

     * @since S60 v5.0

     */

    virtual ~CTMActivityManager();

    void SetTimeout(TInt aTimeout);

    void Start();

    void Reset();

    void Stop();

    TBool IsInactive();

protected: // from CActive

    void DoCancel();

    void RunL();

    TInt RunError(TInt aError);

protected:

    CTMActivityManager(MTMActivityManagerObserver* aObserver, TInt aTimeout);

    void ConstructL();

    void NotifyObserver();

#ifdef MONITOR_LIGHTS

private: //From MHWRMLightObserver

    void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);

#endif

protected:

    enum TWatch { ENone = 0, EWaitingForInactivity, EWaitingForActivity };

protected:

    RTimer iTimer;

    TWatch iWatch;

    MTMActivityManagerObserver* iObserver; ///The observer of activity status

    TInt iTimeout; ///Current inactivity period

#ifdef MONITOR_LIGHTS

    //Backlight control 

    CHWRMLight* iLight;

    //backlight status

    TBool iLights;

#endif

    //previous status

    TInt iPreviousStatus;

    TBool iFirstRound;

};

#endif // TMACTIVITYMANAGER_H