imagehandlingutilities/thumbnailmanager/tmcommon/src/tmactivitymanager.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 12 Mar 2010 15:43:57 +0200
branchRCL_3
changeset 9 2eb74cf6572e
parent 5 82749d516180
child 11 dea39715fc05
permissions -rw-r--r--
Revision: 201007 Kit: 201008
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/*
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* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Activity Manager 
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*
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*/
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#include "tmactivitymanager.h"
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#include "thumbnaillog.h"
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// ---------------------------------------------------------------------------
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// CTMActivityManager::NewL()
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// ---------------------------------------------------------------------------
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//
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CTMActivityManager* CTMActivityManager::NewL(MTMActivityManagerObserver* aObserver, TInt aTimeout)
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    {
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    TN_DEBUG1( "CTMActivityManager::NewL()");
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    CTMActivityManager* self = new (ELeave) CTMActivityManager(aObserver, aTimeout);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::CTMActivityManager()
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// ---------------------------------------------------------------------------
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//
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CTMActivityManager::CTMActivityManager(MTMActivityManagerObserver* aObserver, TInt aTimeout)
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: CActive(CActive::EPriorityHigh), iObserver(aObserver), iTimeout(aTimeout), iPreviousStatus(KErrNotFound)
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    {
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    TN_DEBUG1( "CTMActivityManager::CTMActivityManager()");
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    CActiveScheduler::Add(this);
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::~CTMActivityManager()
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// ---------------------------------------------------------------------------
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//
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CTMActivityManager::~CTMActivityManager()
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    {
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    TN_DEBUG1( "CTMActivityManager::~CTMActivityManager()");
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    delete iLight;
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    iLight = NULL;
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    Cancel();
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    iTimer.Close();
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::ConstructL()
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// ---------------------------------------------------------------------------
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//
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void CTMActivityManager::ConstructL()
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    {
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    TN_DEBUG1( "CTMActivityManager::ConstructL()");
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    iTimer.CreateLocal();
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::SetTimeout()
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// ---------------------------------------------------------------------------
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//
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void CTMActivityManager::SetTimeout(TInt aTimeout)
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    {
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    TN_DEBUG1( "CTMActivityManager::SetTimeout()");
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    iTimeout = aTimeout;
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    Reset();
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::Reset()
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// ---------------------------------------------------------------------------
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//
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void CTMActivityManager::Reset()
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    {
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    TN_DEBUG1( "CTMActivityManager::Reset()");
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    delete iLight;
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    iLight = NULL;
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    Cancel();
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    Start();
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::DoCancel()
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// ---------------------------------------------------------------------------
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void CTMActivityManager::DoCancel()
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    {
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    TN_DEBUG1( "CTMActivityManager::DoCancel()");
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    iTimer.Cancel();
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    iWatch = ENone;
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::Start()
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// ---------------------------------------------------------------------------
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//
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void CTMActivityManager::Start()
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    {
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    TN_DEBUG1( "CTMActivityManager::Start()");
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    iFirstRound = ETrue;
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    if(!iLight)
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        {
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        TRAP_IGNORE(iLight = CHWRMLight::NewL(this));
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        }
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    if( !IsActive() )
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        {
5
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        SetActive();
9
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        TRequestStatus* statusPtr = &iStatus;
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        User::RequestComplete( statusPtr, KErrNone );
5
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        }
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::RunL()
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// ---------------------------------------------------------------------------
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//
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void CTMActivityManager::RunL()
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    {
9
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    TN_DEBUG4( "CTMActivityManager::RunL(0x%08x) %d, observer = 0x%08x", this, iStatus.Int(), iObserver);
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    if(iFirstRound)
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        {
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        TN_DEBUG1( "CTMActivityManager::RunL() iFirstRound");
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        iFirstRound = EFalse;
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        if (!IsActive())
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             {
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             iWatch = EWaitingForInactivity;
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             iTimer.Inactivity(iStatus, iTimeout);
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             SetActive();
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             }
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        NotifyObserver();
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        return;
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        }
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5
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    if (iStatus == KErrNone)
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        {
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        if (iWatch == EWaitingForInactivity)
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            {
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            TInt inactivity = User::InactivityTime().Int();
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            if (inactivity >= iTimeout)
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                {
9
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                TN_DEBUG1( "CTMActivityManager::RunL() inactive");
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                NotifyObserver();
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5
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            if (!IsActive()) //observer might have called a Reset()
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                {
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                iTimer.Inactivity(iStatus,0);
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                iWatch = EWaitingForActivity;
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                }
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            }
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            else
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                {
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                iTimer.Inactivity(iStatus,iTimeout);
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                }
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            }
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        else if (iWatch == EWaitingForActivity)
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            {
9
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                TN_DEBUG1( "CTMActivityManager::RunL() active");
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                NotifyObserver();
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5
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            if (!IsActive()) //observer might have called a Reset()
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                {
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                iTimer.Inactivity(iStatus,iTimeout);
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                iWatch = EWaitingForInactivity;
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                }
9
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            }
5
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        if (!IsActive()) //observer might have called a Reset()
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            {
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            SetActive();
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            }
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        }
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    else
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        {
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        iWatch = ENone;
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        }
9
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        TN_DEBUG1( "CTMActivityManager::RunL() end");
5
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    }
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// ---------------------------------------------------------------------------
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// CTMActivityManager::RunError()
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// ---------------------------------------------------------------------------
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//
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TInt CTMActivityManager::RunError(TInt aError)
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    {
9
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    TN_DEBUG2( "CTMActivityManager::RunError() %d", aError);
5
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    if (aError != KErrNone)
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        {
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        Reset();
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        }
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    // nothing to do
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    return KErrNone;
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    }
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9
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// -----------------------------------------------------------------------------
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// IsInactive()
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// -----------------------------------------------------------------------------
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//
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TBool CTMActivityManager::IsInactive()
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    {
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#ifdef _DEBUG
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TN_DEBUG3( "CTMActivityManager::IsInactive()= %d, iLights = %d", User::InactivityTime().Int(), iLights);
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#endif
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    //if lights are off or inactivity timer is less that target the device is not idle
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    if( User::InactivityTime() >= TTimeIntervalSeconds(iTimeout) || !iLights )
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      {
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      TN_DEBUG1( "CTMActivityManager::IsInactive() ETrue");
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      return ETrue;
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      }
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    TN_DEBUG1( "CTMActivityManager::IsInactive() EFalse");
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    return EFalse;
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    }
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   229
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// -----------------------------------------------------------------------------
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// LightStatusChanged()
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// -----------------------------------------------------------------------------
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//
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void CTMActivityManager::LightStatusChanged(TInt /*aTarget*/, CHWRMLight::TLightStatus aStatus)
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    {
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    TN_DEBUG2( "CTMActivityManager::LightStatusChanged() aStatus == %d", aStatus);
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     if( aStatus == CHWRMLight::ELightOff)
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        {
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        TN_DEBUG1( "CTMActivityManager::LightStatusChanged() -- OFF");
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        iLights = EFalse;
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        }
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    else
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        {
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        TN_DEBUG1( "CTMActivityManager::LightStatusChanged() -- ON");
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        iLights = ETrue;
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        }
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        NotifyObserver();
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    }
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// -----------------------------------------------------------------------------
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// NotifyObserver()
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// -----------------------------------------------------------------------------
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//
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void CTMActivityManager::NotifyObserver()
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    {
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    TN_DEBUG1( "void CTMAActivityManager::NotifyObserver()");
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    TBool status = IsInactive();
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    if( iPreviousStatus != status )
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        {
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        iPreviousStatus = status; 
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        if (iObserver)
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            {
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            iObserver->ActivityChanged(!status);
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            }
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        }
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    }