--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/webkitutils/rt_gesturehelper/src/gestureeventfilter.cpp	Fri Mar 19 09:52:28 2010 +0200
@@ -0,0 +1,95 @@
+/*
+* Copyright (c) 2009 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: 
+*
+*/
+/*
+ * gestureeventfilter.cpp
+ *
+ *  Created on: Jan 22, 2009
+ *      Author: tyutyuni
+ */
+
+#include "gesturedefs.h"
+#include "gestureeventfilter.h"
+
+
+using namespace RT_GestureHelper;
+
+CGestureEventFilter::CGestureEventFilter(TInt aTapSize):iTapSize(aTapSize)
+    {
+    
+    }
+
+CGestureEventFilter::~CGestureEventFilter()
+    {
+    
+    }
+
+
+TBool CGestureEventFilter::FilterDrag(const TPointerEvent& aPointerEvent, TInt& aReason)
+    {
+    TTime now;
+    now.HomeTime();
+    return FilterDrag(aPointerEvent, now, aReason);
+    }
+
+TBool CGestureEventFilter::FilterDrag(const TPointerEvent& aPointerEvent, TTime& eventTime, TInt& aReason)
+    {
+    TBool filtered = EFalse;
+    
+    aReason = EFilteredNoReason;
+    
+    switch (aPointerEvent.iType)
+        {
+        case TPointerEvent::EButton1Down:
+            {
+            iIsTouchDown = ETrue;
+            iTouchDownTime = iLastEventTime;
+            iTouchDownPos = aPointerEvent.iPosition;
+            break;
+            }
+        case TPointerEvent::EDrag:
+            {
+            if (iIsTouchDown)
+                {
+                TPoint delta = aPointerEvent.iPosition - iTouchDownPos;
+                filtered = (Abs(delta.iX) <= iTapSize && Abs(delta.iY) <= iTapSize);
+                aReason = (filtered) ? EFilteredBySize : EFilteredNoReason;
+                }
+                
+            if (!filtered)
+                {
+                filtered = (eventTime.MicroSecondsFrom(iLastEventTime) < KMinTimeBetweenDrags);
+                aReason = (filtered) ? EFilteredByTime : EFilteredNoReason;
+                }
+            
+            if (!filtered)
+                {
+                iLastEventTime = eventTime;
+                }
+            iIsTouchDown = filtered;
+            
+            break;
+            }
+        case TPointerEvent::EButton1Up:
+            {
+            iIsTouchDown = EFalse;
+            break;
+            }
+        }
+    
+    
+    return filtered;
+    }