/*

* 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>

#ifndef TMACTIVITYMANAGER_H

#define TMACTIVITYMANAGER_H

class MTMActivityManagerObserver

{

public :

    virtual void ActivityDetected() = 0;

    virtual void InactivityDetected() = 0;

};

class CTMActivityManager : public CActive

{

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();

protected: // from CActive

    void DoCancel();

    void RunL();

    TInt RunError(TInt aError);

protected:

    CTMActivityManager(MTMActivityManagerObserver* aObserver, TInt aTimeout);

    void ConstructL();

protected:

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

protected:

    RTimer iTimer;

    TWatch iWatch;

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

    TInt iTimeout; ///Current inactivity period

};

#endif // TMACTIVITYMANAGER_H