idlehomescreen/xmluirendering/uiengine/inc/xngesturerecogniser.h
branchRCL_3
changeset 20 899e4666ea9a
parent 16 1526727a5b85
parent 19 79311d856354
child 21 45cc9ca502a9
--- a/idlehomescreen/xmluirendering/uiengine/inc/xngesturerecogniser.h	Fri Mar 26 15:15:17 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +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 _XNGESTURERECOGNISER_H_
-#define _XNGESTURERECOGNISER_H_
-
-// System includes
-#include <e32std.h>
-
-
-/**
- * XnGestureHelper namespace
- * Used for the whole gesture family - Gesture recognizer, gesture helper, 
- * Point array
- */
-namespace XnGestureHelper
-    {
-    
-    // Forward declarations
-    class TXnPointArray;
-    
-    /**
-     * flag that indicates gesture code is a holding code
-     * clients should use MGestureEvent::IsHolding
-     */
-    const TInt EFlagHold = 0x10000000;
-    
-    /**
-     * Gesture codes and states
-     */
-    enum TXnGestureCode
-        {
-        // states
-        /** gesture just started (user pressed stylus down)*/ 
-        EGestureStart = 0x00000001, 
-        /** user moved stylus (may be holding or not holding) */
-        EGestureDrag = 0x00000002, 
-        /** user lifted stylus while user was holding */
-        EGestureReleased = 0x00000003, 
-        
-        // gestures  
-        /** gesture was not recognised */
-        EGestureUnknown = 0x00000005, 
-        /** these codes are sent when user lifts stylus 
-         * (if holding not started)
-         */
-        EGestureTap = 0x00000006,
-        /** first tap emits EGestureTap */
-        EGestureDoubleTap = 0x00000007, 
-        /** swipe left */
-        EGestureSwipeLeft = 0x00000008,
-        /** swipe right */
-        EGestureSwipeRight = 0x00000009,
-        /** swipe up */
-        EGestureSwipeUp = 0x0000000A,
-        /** swipe down */
-        EGestureSwipeDown = 0x0000000B,
-        EGestureCanceled = 0x0000000C,
-        /** 
-         * these codes are sent when user initiates holding by keeping stylus 
-         * in same place for a longer duration
-         */
-        EGestureHoldLeft = EGestureSwipeLeft | EFlagHold,
-        EGestureHoldRight = EGestureSwipeRight | EFlagHold,
-        EGestureHoldUp = EGestureSwipeUp | EFlagHold,
-        EGestureHoldDown = EGestureSwipeDown | EFlagHold
-        };
-    
-    //Class declaration
-    
-    /**
-     *  Set of algorithms to recognise gesture from a stream of points
-     *  Note: Not a static class or a function pointer, just to make it 
-     *  sligthly easier to replace it with a heavier implementation
-     *
-     *  @ingroup group_xnlayoutengine
-     */
-    NONSHARABLE_CLASS( TXnGestureRecogniser )
-        {
-    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
-         */
-        TXnGestureCode GestureCode( const TXnPointArray& aPoints ) const;
-        
-        TXnGestureCode LastDirection( const TXnPointArray& aPoints ) const;
-        };
-    } // namespace XnGestureHelper
-
-#endif // _XNGESTURERECOGNISER_H_