camerauis/cameraapp/generic/src/CamTimer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 16:18:56 +0200
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/*
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* Copyright (c) 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:  Active object for implementing viewfinder timeout and*
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*/
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// INCLUDE FILES
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#include <e32std.h>
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#include "camlogging.h"
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#include "CamTimer.h"
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// ================= MEMBER FUNCTIONS =======================
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// ---------------------------------------------------------------------------
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// CCamTimer::NewL
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// Symbian OS two-phased constructor
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// ---------------------------------------------------------------------------
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//
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CCamTimer* CCamTimer::NewL( TInt aTimeout, TCallBack aCallBack )
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    {
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    CCamTimer* self = NewLC( aTimeout, aCallBack );
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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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// CCamTimer::NewLC
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// Symbian OS two-phased constructor
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// ---------------------------------------------------------------------------
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//
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CCamTimer* CCamTimer::NewLC( TInt aTimeout, TCallBack aCallBack )
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    {
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    CCamTimer* self = new ( ELeave ) CCamTimer( aTimeout, aCallBack );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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// Destructor
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CCamTimer::~CCamTimer()
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  {
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  PRINT( _L("Camera => ~CCamTimer" ))  
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  Cancel();
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  PRINT( _L("Camera <= ~CCamTimer" ))  
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  }
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// ---------------------------------------------------------------------------
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// CCamTimer::StartTimer
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// Start timer.
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// ---------------------------------------------------------------------------
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//
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void CCamTimer::StartTimer()
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    {
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    After( iTimeout );
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    }
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// ---------------------------------------------------------------------------
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// CCamTimer::SetTimeout
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// Update the timeout period
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// ---------------------------------------------------------------------------
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// 
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void CCamTimer::SetTimeout( TInt aTimeout )
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    {
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    iTimeout = aTimeout;
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    }   
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// ---------------------------------------------------------------------------
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// CCamTimer::RunL
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// From CActive, handle timeout expiration
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// ---------------------------------------------------------------------------
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//
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void CCamTimer::RunL()
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    {
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    iCallBack.CallBack();
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    }
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// ---------------------------------------------------------------------------
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// CCamTimer::CCamTimer
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// C++ constructor
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// ---------------------------------------------------------------------------
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//
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CCamTimer::CCamTimer( TInt aTimeout, TCallBack aCallBack )
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: CCamTimerBase( EPriorityStandard ), iTimeout( aTimeout ), iCallBack( aCallBack )
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    {
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    }
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// ---------------------------------------------------------------------------
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// CCamTimer::ConstructL
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// Symbian OS 2nd phase constructor
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// ---------------------------------------------------------------------------
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//
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void CCamTimer::ConstructL()
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    {
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    CTimer::ConstructL();
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    CActiveScheduler::Add( this );
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    }
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// End of File  
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