diff -r d39add9822e2 -r 5bfc169077b2 webengine/webkitutils/rt_gesturehelper/src/gesturerecogniser.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/webengine/webkitutils/rt_gesturehelper/src/gesturerecogniser.h Fri Mar 19 09:52:28 2010 +0200 @@ -0,0 +1,51 @@ +/* +* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "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: Algorithm to recognise gesture from a stream of points +* +*/ + + +#ifndef _GESTURERECOGNISER_H_ +#define _GESTURERECOGNISER_H_ + +#include +#include "rt_gestureobserver.h" + +namespace RT_GestureHelper +{ + +class TPointArray; + +/** + * Note: Not a static class or a function pointer, just to make it sligthly + * easier to replace it with a heavier implementation + */ +NONSHARABLE_CLASS( TGestureRecogniser ) + { +public: + /** + * Translates points into a gesture code + * @param aPoints Points that form the gestures. Client is not required + * to pass in repeated points (sequential points that are + * almost in the same place) + * @param aIsHolding ETrue if gesture was ended at pointer being held down at same position + * EFalse if gesture ended at pointer being released + * @return recognised gesture id or EUnknownGesture + */ + TGestureCode GestureCode( const TPointArray& aPoints ) const; + }; + +} // namespace GestureHelper + +#endif // _GESTURERECOGNISER_H_