diff -r d39add9822e2 -r 5bfc169077b2 webengine/webkitutils/stmgesturefw/src/hoveringgesturerecogniser.cpp --- a/webengine/webkitutils/stmgesturefw/src/hoveringgesturerecogniser.cpp Tue Feb 02 00:56:45 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,162 +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: -* -*/ - -#include "hoveringgesturerecogniser.h" -#include "GenericSimpleGesture.h" -#include "rt_uievent.h" - -#include "filelogger.h" - -using namespace stmGesture ; - -extern long Mm2Pixels(long mm) ; - - -CHoveringGestureRecogniser::CHoveringGestureRecogniser(MGestureListener* aListener) : - CGestureRecogniser(aListener) -{ - m_hovering = false ; - m_hoveringspeed = 0.9f ; -} - -CHoveringGestureRecogniser* CHoveringGestureRecogniser::NewL(MGestureListener* aListener) -{ - CHoveringGestureRecogniser* self = new (ELeave) CHoveringGestureRecogniser(aListener) ; - return self; -} - -CHoveringGestureRecogniser::~CHoveringGestureRecogniser() -{ -} - -TGestureRecognitionState CHoveringGestureRecogniser::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 hovering - if (numOfActiveStreams == 1) - { - // Then look at the event stream, it has to be tap and release - const stmUiEventEngine::MUiEvent* puie = pge->getUiEvents(0); - int countOfEvents = puie->countOfEvents() ; - stmUiEventEngine::TUiEventCode eventCode = puie->Code() ; - if (countOfEvents > 1) // do we have more than one event in the stream? - { - // Then look at the events to see if they are suitable for us - // should we check that all of the events are targeted to our window? - // currently we only check if the last one is for us and is EMove, then we pan... - if (puie->Target() == m_powner && - eventCode == stmUiEventEngine::EMove) // The last one is move in our window - { - float speedX = puie->speedX() ; - float speedY = puie->speedY() ; - if (m_loggingenabled) - { - LOGARG("CHoveringGestureRecogniser: %d: num %d code %d, speed %f, limit %f", - m_hovering, countOfEvents, eventCode, - double(speedX), double(m_hoveringspeed)); - } - // It might be hovering gesture in our window, handle it - if (!m_hovering) - { - // we are not yet hovering, so lets see if it is slow movement - // but it must be movement; if it is 0.0 do not hover - if ( ((speedX > 0.01f) ||(speedY > 0.01f)) && - ((speedX < m_hoveringspeed) || (speedY < m_hoveringspeed)) - ) - { - state = EGestureActive; - m_hovering = true; - } - } - if (m_hovering) - { - // after we've started hovering, the speed could be increased a little before we loose hovering - // but this adjustment is not implemented now... - if (speedX < m_hoveringspeed || speedY < m_hoveringspeed) - - { - using stmUiEventEngine::TUiEventSpeed; - - state = EGestureActive; - TUiEventSpeed speedIf(speedX, speedY); - stmGesture::TDirectionalGesture pgest( - KUid, - puie->CurrentXY(), - puie->PreviousXY(), - &speedIf, - m_loggingenabled); - - // Call the listener to inform that a Hover has occurred... - m_listener->gestureEnter(pgest); - } - } - } - else if (m_hovering) - { - if (eventCode == stmUiEventEngine::ERelease) // The last one is release in any window - { - m_hovering = false ; - // release will handle informing of the listener - } - } - } - else - { - // count of events == 1, lets see if it is EMove, then we take it and start hovering - if (puie->Target() == m_powner && - eventCode == stmUiEventEngine::EMove) // The only one is move in our window - { - if (m_loggingenabled) - { - LOGARG("CHoveringGestureRecogniser: move: num %d code %d", countOfEvents, eventCode); - } - state = EGestureActive; - stmGesture::TDirectionalGesture pgest( - KUid, - puie->CurrentXY(), - puie->PreviousXY(), - puie, - m_loggingenabled); - - // Call the listener to inform that a Hover has occurred... - m_listener->gestureEnter(pgest); - } - } - } - if (state == ENotMyGesture) - { - // if it was not our gesture, then the state can not be hovering... - m_hovering = false ; - } - return state; -} - -void CHoveringGestureRecogniser::release(MGestureEngineIf* /*ge*/) -{ - m_hovering = false ; - m_listener->gestureExit(KUid) ; -} - -void CHoveringGestureRecogniser::setHoveringSpeed(float aSpeed) __SOFTFP -{ - m_hoveringspeed = aSpeed ; -} -