diff -r 000000000000 -r 15bf7259bb7c uiacceltk/hitchcock/coretoolkit/src/HuiInteractionInterval.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uiacceltk/hitchcock/coretoolkit/src/HuiInteractionInterval.cpp Tue Feb 02 07:56:43 2010 +0200 @@ -0,0 +1,57 @@ +/* +* 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; + }