/*
* 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: THuiInteractionInterval is a utility class that can be used
* as specify intervals that adapt to user input.
*
*/
#include "uiacceltk/HuiInteractionInterval.h" // Class definition
#include "uiacceltk/HuiStatic.h"
EXPORT_C THuiInteractionInterval::THuiInteractionInterval(TReal32 aScalar) __SOFTFP
: iScalar(aScalar), iLastTimeMs(0)
{
}
EXPORT_C void THuiInteractionInterval::SetScalar(TReal32 aScalar) __SOFTFP
{
iScalar = aScalar;
}
EXPORT_C TReal32 THuiInteractionInterval::Scalar() const __SOFTFP
{
return iScalar;
}
EXPORT_C TInt THuiInteractionInterval::Interval(TInt aIntervalTime)
{
TUint32 now = CHuiStatic::MilliSecondsSinceStart();
TUint32 elapsed = now - iLastTimeMs;
if(iScalar * elapsed < aIntervalTime)
{
// The last movement is probably still going on.
aIntervalTime = TInt(elapsed * iScalar);
}
iLastTimeMs = now;
return aIntervalTime;
}