diff -r d39add9822e2 -r 5bfc169077b2 webengine/webkitutils/stmgesturefw/src/edgescrollgesturerecogniser.cpp --- a/webengine/webkitutils/stmgesturefw/src/edgescrollgesturerecogniser.cpp Tue Feb 02 00:56:45 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,166 +0,0 @@ -/* -* 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 "edgescrollgesturerecogniser.h" -#include "rt_uievent.h" -#include "filelogger.h" - -using namespace stmGesture ; - -CEdgeScrollGestureRecogniser::CEdgeScrollGestureRecogniser(MGestureListener* aListener) : - CPeriodic(0), m_listener(aListener) , m_area() -{ - m_powner = aListener->getOwner() ; - m_gestureEnabled = true ; - m_rangesizeInPixels = 10 ; // by default 10 pixels from the edges is the area -} - -CEdgeScrollGestureRecogniser* CEdgeScrollGestureRecogniser::NewL(MGestureListener* aListener) -{ - CEdgeScrollGestureRecogniser* self = new (ELeave) CEdgeScrollGestureRecogniser(aListener) ; - CleanupStack::PushL(self); - self->ConstructL(); // construct base class - CActiveScheduler::Add(self); - CleanupStack::Pop(self); - return self; -} - -CEdgeScrollGestureRecogniser::~CEdgeScrollGestureRecogniser() -{ - Cancel(); -} - -TGestureRecognitionState CEdgeScrollGestureRecogniser::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); - int countOfEvents = puie->countOfEvents(); - stmUiEventEngine::TUiEventCode eventCode = puie->Code(); - - if (m_loggingenabled) - { - LOGARG("CEdgeScrollGestureRecogniser: %d num %d code %d", - eventCode, countOfEvents, eventCode); - } - - if (eventCode == stmUiEventEngine::EHold) // The last one is EHold, look if it is near the area defined - { - const TPoint& p = puie->CurrentXY(); - if (m_loggingenabled) - { - LOGARG("CEdgeScrollGestureRecogniser: 0x%x EHold: num %d code %d, %d", - this, countOfEvents, p.iX, p.iY); - LOGARG("CEdgeScrollGestureRecogniser: area, %d,%d %d,%d, range: %d", - m_area.iTl.iX, - m_area.iTl.iY, - m_area.iBr.iX, - m_area.iBr.iY, - m_rangesizeInPixels); - } - // check where the point is inside the area defined but outside of the area shrinked by m_rangesizeInPixels. - TRect rcInner = m_area ; - rcInner.Shrink(m_rangesizeInPixels, m_rangesizeInPixels) ; - if (m_area.Contains(p) && !rcInner.Contains(p)) - { - if (m_loggingenabled) - { - LOGARG("CEdgeScrollGestureRecogniser: HIT, (%d,%d) in %d,%d %d,%d, range: %d", - p.iX, p.iY, m_area.iTl.iX, m_area.iTl.iY, - m_area.iBr.iX, m_area.iBr.iY, - m_rangesizeInPixels); - } - - state = EGestureActive ; - // this is edge scroll, check where it is about... - TEdgeScroll scrolltype = EEdgeScrollUnknown ; - if (p.iY < m_area.iTl.iY + m_rangesizeInPixels) - scrolltype = EEdgeScrollUp ; // if Y is small enough, it is always up - else if (p.iY > m_area.iBr.iY - m_rangesizeInPixels) - scrolltype = EEdgeScrollDown ; // if Y is big enough, it is always down - else if (p.iX < m_area.iTl.iX + m_rangesizeInPixels) - scrolltype = EEdgeScrollLeft ; // if X is small enough, it is always left - else if (p.iX > m_area.iBr.iX - m_rangesizeInPixels) - scrolltype = EEdgeScrollRight ; // if X is big enough, it is always right - // issue the edge scroll gesture - stmGesture::TGenericSimpleGesture pgest(KUid, p, scrolltype, puie) ; - // Call the listener to inform that a Tap has occurred... - m_listener->gestureEnter(pgest) ; - } - } - } - return state; -} - -void CEdgeScrollGestureRecogniser::release(MGestureEngineIf* /*ge*/) -{ - Cancel() ; // some other gesture took hold of the thing, do not send gesture - if (m_loggingenabled) - { - LOGARG("CEdgeScrollGestureRecogniser: 0x%x release", this); - } -} - -void CEdgeScrollGestureRecogniser::RunL() -{ - if (m_loggingenabled) - { - LOGARG("CEdgeScrollGestureRecogniser: 0x%x timer", this); - } -} - -void CEdgeScrollGestureRecogniser::enableLogging(bool loggingOn) -{ - m_loggingenabled = loggingOn; -} - -void CEdgeScrollGestureRecogniser::enable(bool enabled) -{ - m_gestureEnabled = enabled ; -} - -bool CEdgeScrollGestureRecogniser::isEnabled() -{ - return m_gestureEnabled ; -} - -void CEdgeScrollGestureRecogniser::setOwner(CCoeControl* owner) -{ - m_powner = owner; -} - -void CEdgeScrollGestureRecogniser::setScrollRange(int rangeInPixels) -{ - m_rangesizeInPixels = rangeInPixels ; -} - -void CEdgeScrollGestureRecogniser::setArea(const TRect& theArea) -{ - m_area = theArea ; - if (m_loggingenabled) - { - LOGARG("CEdgeScrollGestureRecogniser: set area, %d,%d %d,%d", m_area.iTl.iX, m_area.iTl.iY, m_area.iBr.iX, m_area.iBr.iY); - } -}