--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/webkitutils/stmgesturefw/src/releasegesturerecogniser.cpp	Tue Feb 02 00:56:45 2010 +0200
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 2008 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:  Gesture helper implementation
+*
+*/
+
+#include "GenericSimpleGesture.h"
+#include "releasegesturerecogniser.h"
+#include "rt_uievent.h"
+#include "filelogger.h"
+
+using namespace stmGesture ;
+
+_LIT8(KReleaseName, "Release");
+
+CReleaseGestureRecogniser::CReleaseGestureRecogniser(MGestureListener* aListener) :
+    CGestureRecogniser(aListener)
+{
+}
+
+CReleaseGestureRecogniser* CReleaseGestureRecogniser::NewL(MGestureListener* aListener)
+{
+    CReleaseGestureRecogniser* self = new (ELeave) CReleaseGestureRecogniser(aListener) ;
+    return self;
+}
+
+CReleaseGestureRecogniser::~CReleaseGestureRecogniser()
+{
+}
+
+/*!
+ * Release gesture recogniser.  Note that this one never owns the gesture, it just calls
+ * the callback if it detects ERelease inside the area being watched.
+ * There could be also check for the target window?
+ */
+TGestureRecognitionState CReleaseGestureRecogniser::recognise(int numOfActiveStreams,
+        MGestureEngineIf* pge)
+{
+    TGestureRecognitionState state = ENotMyGesture;
+    // Check if we are enabled or not
+    if (!m_gestureEnabled) return state ;
+
+    // Look at the events to see if it looks like edge scroll with one pointer
+    if (numOfActiveStreams == 1)
+    {
+        // Then look at the event stream, it has to be EHold
+        const stmUiEventEngine::MUiEvent* puie = pge->getUiEvents(0);
+        if (!puie) return state;
+        
+        int countOfEvents = puie->countOfEvents();
+        stmUiEventEngine::TUiEventCode eventCode = puie->Code();
+
+        if (m_loggingenabled)
+        {
+            LOGARG("CReleaseGestureRecogniser: %d num %d code %d", eventCode, countOfEvents, eventCode);
+        }
+        if (eventCode == stmUiEventEngine::ERelease)
+        {
+            if (m_loggingenabled)
+            {
+                LOGARG("CReleaseGestureRecogniser: 0x%x ERelease: num %d code %d, %d", 
+                        this, countOfEvents, puie->CurrentXY().iX, puie->CurrentXY().iY);
+                LOGARG("CReleaseGestureRecogniser: area, %d,%d %d,%d", 
+                        m_area.iTl.iX, m_area.iTl.iY, m_area.iBr.iX, m_area.iBr.iY);
+            }
+            bool produceGesture ;
+            if(!m_area.IsEmpty())
+            {
+                produceGesture = m_area.Contains(puie->CurrentXY()) ;
+                if(produceGesture && m_loggingenabled)
+                {
+                    LOGARG("CReleaseGestureRecogniser: HIT area (%d,%d) in %d,%d %d,%d", 
+                            puie->CurrentXY().iX, puie->CurrentXY().iY, 
+                            m_area.iTl.iX, m_area.iTl.iY, 
+                            m_area.iBr.iX, m_area.iBr.iY);
+                }
+            }
+            else
+            {
+                produceGesture = (m_powner == puie->Target()) ;  // no area defined, touch detected in the window
+            }
+            if (produceGesture)
+            {
+                state = EGestureActive ;
+                // issue the release gesture using the GenericSimpleGesture
+                stmGesture::TGenericSimpleGesture pgest(KUid, puie->CurrentXY());
+                // Give the gesture a name
+                pgest.setName(KReleaseName) ;
+                // Call the listener to inform that a release has occurred...
+                m_listener->gestureEnter(pgest);
+            }
+        }
+    }
+    return state;
+}
+
+void CReleaseGestureRecogniser::release(MGestureEngineIf* /*ge*/)
+{
+    if (m_loggingenabled)
+    {
+        LOGARG("CReleaseGestureRecogniser: 0x%x release", this);
+    }
+}
+
+void CReleaseGestureRecogniser::setArea(const TRect& theArea)
+{
+    m_area = theArea ;
+    if (m_loggingenabled)
+    {
+        LOGARG("CReleaseGestureRecogniser: area, %d,%d %d,%d", 
+                m_area.iTl.iX, m_area.iTl.iY, 
+                m_area.iBr.iX, m_area.iBr.iY);
+    }
+}
+