--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/webkitutils/stmgesturefw/src/touchgesturerecogniser.cpp Tue Feb 02 00:56:45 2010 +0200
@@ -0,0 +1,115 @@
+/*
+* 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 "touchgesturerecogniser.h"
+#include "rt_uievent.h"
+#include "filelogger.h"
+
+using namespace stmGesture ;
+
+CTouchGestureRecogniser::CTouchGestureRecogniser(MGestureListener* aListener) :
+ CGestureRecogniser(aListener)
+{
+}
+
+CTouchGestureRecogniser* CTouchGestureRecogniser::NewL(MGestureListener* aListener)
+{
+ CTouchGestureRecogniser* self = new (ELeave) CTouchGestureRecogniser(aListener) ;
+ return self;
+}
+
+CTouchGestureRecogniser::~CTouchGestureRecogniser()
+{
+}
+
+/*!
+ * Touch gesture recogniser. Note that this one never owns the gesture, it just calls
+ * the callback if it detects ETouch inside the area being watched.
+ * There could be also check for the target window?
+ */
+TGestureRecognitionState CTouchGestureRecogniser::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;
+ stmUiEventEngine::TUiEventCode eventCode = puie->Code();
+
+ if (m_loggingenabled)
+ {
+ LOGARG("CTouchGestureRecogniser: 0x%x num %d code %d", this, puie->countOfEvents(), eventCode);
+
+ }
+ if (eventCode == stmUiEventEngine::ETouch)
+ {
+ const TPoint& tapPoint = puie->CurrentXY();
+ if (m_loggingenabled)
+ {
+ LOGARG("CTouchGestureRecogniser: 0x%x ETouch: num %d at %d, %d", this, puie->countOfEvents(), tapPoint.iX, tapPoint.iY);
+ LOGARG("CTouchGestureRecogniser: 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(tapPoint);
+ if(produceGesture && m_loggingenabled)
+ {
+ LOGARG("CTouchGestureRecogniser: HIT area (%d,%d) in %d,%d %d,%d", tapPoint.iX, tapPoint.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 ; do not take ownership, all gestures anyway start with ETouch
+ // issue the touch gesture
+ stmGesture::TGenericSimpleGesture pgest(KUid, tapPoint);
+ // Call the listener to inform that a touch has occurred...
+ m_listener->gestureEnter(pgest);
+ }
+ }
+ }
+ return state;
+}
+
+void CTouchGestureRecogniser::release(MGestureEngineIf* /*ge*/)
+{
+ if (m_loggingenabled)
+ {
+ LOGARG("CTouchGestureRecogniser: 0x%x release", this);
+ }
+}
+
+void CTouchGestureRecogniser::setArea(const TRect& theArea)
+{
+ m_area = theArea ;
+ if (m_loggingenabled)
+ {
+ LOGARG("CTouchGestureRecogniser: area, %d,%d %d,%d", m_area.iTl.iX, m_area.iTl.iY, m_area.iBr.iX, m_area.iBr.iY);
+ }
+
+}