PlatformTouchPoint::PlatformTouchPoint(const QTouchEvent::TouchPoint& point, State state)
// The QTouchEvent::TouchPoint API states that ids will be >= 0.
: m_id(point.id())
, m_state(state)
, m_screenPos(point.screenPos().toPoint())
, m_pos(point.pos().toPoint())
{
// Qt reports touch point size as rectangles, but we will pretend it is an oval.
QRect touchRect = point.rect().toAlignedRect();
if (touchRect.isValid()) {
m_radiusX = point.rect().width() / 2;
m_radiusY = point.rect().height() / 2;
} else {
// http://www.w3.org/TR/2011/WD-touch-events-20110505: 1 if no value is known.
m_radiusX = 1;
m_radiusY = 1;
}
m_force = point.pressure();
// FIXME: Support m_rotationAngle if QTouchEvent at some point supports it.
}
WebGestureEvent WebEventFactory::createWebGestureEvent(const QTouchEvent::TouchPoint& point, const WebEvent::Type& gestureType, const QTransform& fromItemTransform)
{
WebEvent::Type type = gestureType;
IntPoint position = fromItemTransform.map(point.pos()).toPoint();
IntPoint screenPosition = point.screenPos().toPoint();
WebEvent::Modifiers modifiers = WebEvent::Modifiers(0);
double timestamp = 0;
IntSize area = IntSize(point.rect().size().toSize());
FloatPoint delta = FloatPoint(0, 0);
return WebGestureEvent(type, position, screenPosition, modifiers, timestamp, area, delta);
}
void QtWebPageEventHandler::handleDoubleTapEvent(const QTouchEvent::TouchPoint& point)
{
QTransform fromItemTransform = m_webPage->transformFromItem();
m_webPageProxy->findZoomableAreaForPoint(fromItemTransform.map(point.pos()).toPoint(), IntSize(point.rect().size().toSize()));
}
void QtWebPageEventHandler::handleSingleTapEvent(const QTouchEvent::TouchPoint& point)
{
m_postponeTextInputStateChanged = true;
QTransform fromItemTransform = m_webPage->transformFromItem();
WebGestureEvent gesture(WebEvent::GestureSingleTap, fromItemTransform.map(point.pos()).toPoint(), point.screenPos().toPoint(), WebEvent::Modifiers(0), 0, IntSize(point.rect().size().toSize()), FloatPoint(0, 0));
m_webPageProxy->handleGestureEvent(gesture);
}
void QtWebPageEventHandler::handlePotentialSingleTapEvent(const QTouchEvent::TouchPoint& point)
{
#if ENABLE(TOUCH_EVENTS)
if (point.pos() == QPointF()) {
// An empty point deactivates the highlighting.
m_webPageProxy->handlePotentialActivation(IntPoint(), IntSize());
} else {
QTransform fromItemTransform = m_webPage->transformFromItem();
m_webPageProxy->handlePotentialActivation(IntPoint(fromItemTransform.map(point.pos()).toPoint()), IntSize(point.rect().size().toSize()));
}
#else
Q_UNUSED(point);
#endif
}
void QtWebPageEventHandler::handleDoubleTapEvent(const QTouchEvent::TouchPoint& point)
{
if (!m_webView->isInteractive())
return;
deactivateTapHighlight();
QTransform fromItemTransform = m_webPage->transformFromItem();
m_webPageProxy->findZoomableAreaForPoint(fromItemTransform.map(point.pos()).toPoint(), IntSize(point.rect().size().toSize()));
}
void QtWebPageEventHandler::activateTapHighlight(const QTouchEvent::TouchPoint& point)
{
#if ENABLE(TOUCH_EVENTS)
ASSERT(!point.pos().toPoint().isNull());
ASSERT(!m_isTapHighlightActive);
m_isTapHighlightActive = true;
QTransform fromItemTransform = m_webPage->transformFromItem();
m_webPageProxy->handlePotentialActivation(IntPoint(fromItemTransform.map(point.pos()).toPoint()), IntSize(point.rect().size().toSize()));
#else
Q_UNUSED(point);
#endif
}