/*

* 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)

    {

    TN_DEBUG1( "CTMActivityManager::NewL()");

    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), iPreviousStatus(KErrNotFound)

    {

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

    CActiveScheduler::Add(this);

    }

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

// CTMActivityManager::~CTMActivityManager()

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

//

CTMActivityManager::~CTMActivityManager()

    {

    TN_DEBUG1( "CTMActivityManager::~CTMActivityManager()");

    delete iLight;

    iLight = NULL;

    Cancel();

    iTimer.Close();

    }

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

// CTMActivityManager::ConstructL()

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

//

void CTMActivityManager::ConstructL()

    {

    TN_DEBUG1( "CTMActivityManager::ConstructL()");

    iTimer.CreateLocal();

    }

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

// CTMActivityManager::SetTimeout()

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

//

void CTMActivityManager::SetTimeout(TInt aTimeout)

    {

    TN_DEBUG1( "CTMActivityManager::SetTimeout()");

    iTimeout = aTimeout;

    Reset();

    }

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

// CTMActivityManager::Reset()

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

//

void CTMActivityManager::Reset()

    {

    TN_DEBUG1( "CTMActivityManager::Reset()");

    delete iLight;

    iLight = NULL;

    Cancel();

    Start();

    }

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

// CTMActivityManager::DoCancel()

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

void CTMActivityManager::DoCancel()

    {

    TN_DEBUG1( "CTMActivityManager::DoCancel()");

    iTimer.Cancel();

    iWatch = ENone;

    }

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

// CTMActivityManager::Start()

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

//

void CTMActivityManager::Start()

    {

    TN_DEBUG1( "CTMActivityManager::Start()");

    iFirstRound = ETrue;

    if(!iLight)

        {

        TRAP_IGNORE(iLight = CHWRMLight::NewL(this));

        }

    if( !IsActive() )

        {

        SetActive();

        TRequestStatus* statusPtr = &iStatus;

        User::RequestComplete( statusPtr, KErrNone );

        }

    }

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

// CTMActivityManager::RunL()

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

//

void CTMActivityManager::RunL()

    {

    TN_DEBUG4( "CTMActivityManager::RunL(0x%08x) %d, observer = 0x%08x", this, iStatus.Int(), iObserver);

    if(iFirstRound)

        {

        TN_DEBUG1( "CTMActivityManager::RunL() iFirstRound");

        iFirstRound = EFalse;

        if (!IsActive())

             {

             iWatch = EWaitingForInactivity;

             iTimer.Inactivity(iStatus, iTimeout);

             SetActive();

             }

        NotifyObserver();

        return;

        }

    if (iStatus == KErrNone)

        {

        if (iWatch == EWaitingForInactivity)

            {

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

            if (inactivity >= iTimeout)

                {

                TN_DEBUG1( "CTMActivityManager::RunL() inactive");

                NotifyObserver();

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

                {

                iTimer.Inactivity(iStatus,0);

                iWatch = EWaitingForActivity;

                }

            }

            else

                {

                iTimer.Inactivity(iStatus,iTimeout);

                }

            }

        else if (iWatch == EWaitingForActivity)

            {

                TN_DEBUG1( "CTMActivityManager::RunL() active");

                NotifyObserver();

            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;

        }

        TN_DEBUG1( "CTMActivityManager::RunL() end");

    }

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

// CTMActivityManager::RunError()

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

//

TInt CTMActivityManager::RunError(TInt aError)

    {

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

    if (aError != KErrNone)

        {

        Reset();

        }

    // nothing to do

    return KErrNone;

    }

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

// IsInactive()

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

//

TBool CTMActivityManager::IsInactive()

    {

#ifdef _DEBUG

TN_DEBUG3( "CTMActivityManager::IsInactive()= %d, iLights = %d", User::InactivityTime().Int(), iLights);

#endif

    //if lights are off or inactivity timer is less that target the device is not idle

    if( User::InactivityTime() >= TTimeIntervalSeconds(iTimeout) || !iLights )

      {

      TN_DEBUG1( "CTMActivityManager::IsInactive() ETrue");

      return ETrue;

      }

    TN_DEBUG1( "CTMActivityManager::IsInactive() EFalse");

    return EFalse;

    }

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

// LightStatusChanged()

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

//

void CTMActivityManager::LightStatusChanged(TInt /*aTarget*/, CHWRMLight::TLightStatus aStatus)

    {

    TN_DEBUG2( "CTMActivityManager::LightStatusChanged() aStatus == %d", aStatus);

     if( aStatus == CHWRMLight::ELightOff)

        {

        TN_DEBUG1( "CTMActivityManager::LightStatusChanged() -- OFF");

        iLights = EFalse;

        }

    else

        {

        TN_DEBUG1( "CTMActivityManager::LightStatusChanged() -- ON");

        iLights = ETrue;

        }

        NotifyObserver();

    }

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

// NotifyObserver()

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

//

void CTMActivityManager::NotifyObserver()

    {

    TN_DEBUG1( "void CTMAActivityManager::NotifyObserver()");

    TBool status = IsInactive();

    if( iPreviousStatus != status )

        {

        iPreviousStatus = status; 

        if (iObserver)

            {

            iObserver->ActivityChanged(!status);

            }

        }

    }