--- a/mulwidgets/gesturehelper/src/gesturerecogniser.h Mon Jun 21 16:15:51 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,98 +0,0 @@
-/*
-* 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 "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 <e32std.h>
-#include <gestureobserver.h>
-
-struct TPointerEvent;
-
-namespace 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 aAxis Axis to filter the points
- * @return recognised gesture id or EUnknownGesture
- */
- TGestureCode GestureCode( const TPointArray& aPoints, MGestureEvent::TAxis aRelevantAxis ) const;
-
- /**
- * Translates 2 sequences of points into a multitouch gesture code
- * @param aPoints Points that represent the first touch point variations. Client is not required
- * to pass in repeated points (sequential points that are
- * almost in the same place)
- * @param aSecondaryPoints Points that represent the second touch point variations.
- * @param aPreviousDistance distance between the two points when the pinch was recognized the last time.
- * @param aisFirstPinch, Is this the first pinch of teh current gesture. Required to decide which tolerance to use
- * @return recognised gesture id or EUnknownGesture if its not a valid multi touch gesture
- */
- TGestureCode MultiTouchGestureCode( const TPointArray& aPoints, const TPointArray& aSecondaryPoints, TInt aPreviousDistance,
- TBool aIsFirstPinch ) const;
-
- /**
- * Validate the points to decide its a drag or not
- * @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 aAxis Axis to filter the points
- * @return EGestureDrag if valid else returns EUnknownGesture
- */
- TGestureCode ValidateDrag( const TPointArray& aPoints, MGestureEvent::TAxis aRelevantAxis ) const;
-
- /**
- * Validate the points to decide its a drag or not
- * @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 aAxis Axis to filter the points
- * @return EGestureDrag if valid else returns EUnknownGesture
- */
- TInt Length( const TPoint aPoint, const TPoint aSecondaryPoint ) const;
-
- /**
- * Return the pointer number from the given event
- *
- * @param aEvent, event for which the pointer number needs to be fetched
- *
- * This function is added here only for simulating multiple pointer events
- * for testing UT, For simulation purpose we will have a custom implemetation
- * which will override this method and return our own pointer numbers
- * So that we can simulate multiple pointer event.
- * @return TInt pointer number
- */
- TInt PointerNumber( const TPointerEvent& aEvent);
-
- };
-
-} // namespace GestureHelper
-
-#endif // _GESTURERECOGNISER_H_