/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 2.1 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not,
* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
*
* Description:
*
*/
#include "qstmgenericsimplegesture.h"
#include "qstmtouchgesturerecogniser.h"
#include "qstmuievent_if.h"
#include <qstmfilelogger.h>
using namespace qstmGesture ;
QStm_TouchGestureRecogniser::QStm_TouchGestureRecogniser(QStm_GestureListenerIf* listener) :
QStm_GestureRecogniser(listener)
{
}
QStm_TouchGestureRecogniser::~QStm_TouchGestureRecogniser()
{
}
/*!
* 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?
*/
QStm_GestureRecognitionState QStm_TouchGestureRecogniser::recognise(int numOfActiveStreams,
QStm_GestureEngineIf* pge)
{
QStm_GestureRecognitionState state = m_state = ENotMyGesture;
// Check if we are enabled or not
if (!m_gestureEnabled) return state ;
if (numOfActiveStreams == 1) {
// Then look at the event stream, it has to be EHold
const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0);
qstmUiEventEngine::QStm_UiEventCode eventCode = puie->code();
if (m_loggingenabled) {
LOGARG("QStm_TouchGestureRecogniser: 0x%x num %d code %d", this, puie->countOfEvents(), eventCode);
}
if (eventCode == qstmUiEventEngine::ETouch) {
const QPoint& tapPoint = puie->currentXY();
if (m_loggingenabled) {
LOGARG("QStm_TouchGestureRecogniser: 0x%x ETouch: num %d at %d, %d",
this, puie->countOfEvents(), tapPoint.x(), tapPoint.y());
LOGARG("QStm_TouchGestureRecogniser: area, %d,%d %d,%d", m_area.x(),
m_area.y(), m_area.x() + m_area.width(), m_area.y() + m_area.height());
}
bool produceGesture ;
if(!m_area.isEmpty()) {
produceGesture = m_area.contains(tapPoint);
if(produceGesture && m_loggingenabled) {
LOGARG("QStm_TouchGestureRecogniser: HIT area (%d,%d) in %d,%d %d,%d",
tapPoint.x(), tapPoint.y(), m_area.y(), m_area.x() + m_area.width(), m_area.y() + m_area.height());
}
}
else {
produceGesture = (puie->target() != NULL);//(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
qstmGesture::QStm_GenericSimpleGesture pgest(KUid, tapPoint, puie->timestamp());
pgest.setTarget(puie->target());
// Call the listener to inform that a touch has occurred...
m_listener->gestureEnter(pgest);
QStm_GestureRecogniserIf* uknownGesture = pge->gestureAt(pge->gestureCount() - 1);
if (uknownGesture->gestureUid() == EGestureUidUnknown) {
uknownGesture->enable(false);
}
}
}
}
return state;
}
void QStm_TouchGestureRecogniser::release(QStm_GestureEngineIf* /*ge*/)
{
if (m_loggingenabled) {
LOGARG("QStm_TouchGestureRecogniser: 0x%x release", this);
}
}
void QStm_TouchGestureRecogniser::setArea(const QRect& theArea)
{
m_area = theArea ;
if (m_loggingenabled) {
LOGARG("QStm_TouchGestureRecogniser: area, %d,%d %d,%d",
m_area.y(), m_area.x() + m_area.width(), m_area.y() + m_area.height());
}
}