/*

* 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 "tmactivitymanager.h"

#include "thumbnaillog.h"

// ---------------------------------------------------------------------------

// CTMActivityManager::NewL()

// ---------------------------------------------------------------------------

//

CTMActivityManager* CTMActivityManager::NewL(MTMActivityManagerObserver* aObserver, TInt aTimeout)

    {

    CTMActivityManager* self = new (ELeave) CTMActivityManager(aObserver, aTimeout);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::CTMActivityManager()

// ---------------------------------------------------------------------------

//

CTMActivityManager::CTMActivityManager(MTMActivityManagerObserver* aObserver, TInt aTimeout)

: CActive(CActive::EPriorityHigh), iObserver(aObserver), iTimeout(aTimeout)

    {   

    CActiveScheduler::Add(this);

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::~CTMActivityManager()

// ---------------------------------------------------------------------------

//

CTMActivityManager::~CTMActivityManager()

    {

    Cancel();

    iTimer.Close();

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::ConstructL()

// ---------------------------------------------------------------------------

//

void CTMActivityManager::ConstructL()

    {

    iTimer.CreateLocal();

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::SetTimeout()

// ---------------------------------------------------------------------------

//

void CTMActivityManager::SetTimeout(TInt aTimeout)

    {

    iTimeout = aTimeout;

    Reset();

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::Reset()

// ---------------------------------------------------------------------------

//

void CTMActivityManager::Reset()

    {

    Cancel();

    Start();

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::DoCancel()

// ---------------------------------------------------------------------------

void CTMActivityManager::DoCancel()

    {

    iTimer.Cancel();

    iWatch = ENone;

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::Start()

// ---------------------------------------------------------------------------

//

void CTMActivityManager::Start()

    {

    if (!IsActive())

        {

        iWatch = EWaitingForInactivity;

        iTimer.Inactivity(iStatus, iTimeout);

        SetActive();

        }

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::RunL()

// ---------------------------------------------------------------------------

//

void CTMActivityManager::RunL()

    {

    if (iStatus == KErrNone)

        {

        if (iWatch == EWaitingForInactivity)

            {

            TInt inactivity = User::InactivityTime().Int();

            if (inactivity >= iTimeout)

                {

                if (iObserver)

                    {

                    iObserver->InactivityDetected();

                    }

            if (!IsActive()) //observer might have called a Reset()

                {

                iTimer.Inactivity(iStatus,0);

                iWatch = EWaitingForActivity;

                }

            }

            else

                {

                iTimer.Inactivity(iStatus,iTimeout);

                }

            }

        else if (iWatch == EWaitingForActivity)

            {

            if (iObserver)

                {

                iObserver->ActivityDetected();

                }

            if (!IsActive()) //observer might have called a Reset()

                {

                iTimer.Inactivity(iStatus,iTimeout);

                iWatch = EWaitingForInactivity;

                }

        }

        if (!IsActive()) //observer might have called a Reset()

            {

            SetActive();

            }

        }

    else

        {

        iWatch = ENone;

        }

    }

// ---------------------------------------------------------------------------

// CTMActivityManager::RunError()

// ---------------------------------------------------------------------------

//

TInt CTMActivityManager::RunError(TInt aError)

    {

    TN_DEBUG1( "CTMActivityManager::RunError()");

    if (aError != KErrNone)

        {

        TN_DEBUG2( "CTMActivityManager::RunError = %d", aError );

        Reset();

        }

    // nothing to do

    return KErrNone;

    }