WebGestureEventBuilder::WebGestureEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const GestureEvent& event)
{
if (event.type() == EventTypeNames::gestureshowpress)
type = GestureShowPress;
else if (event.type() == EventTypeNames::gesturetapdown)
type = GestureTapDown;
else if (event.type() == EventTypeNames::gesturescrollstart)
type = GestureScrollBegin;
else if (event.type() == EventTypeNames::gesturescrollend)
type = GestureScrollEnd;
else if (event.type() == EventTypeNames::gesturescrollupdate) {
type = GestureScrollUpdate;
data.scrollUpdate.deltaX = event.deltaX();
data.scrollUpdate.deltaY = event.deltaY();
} else if (event.type() == EventTypeNames::gesturetap) {
type = GestureTap;
data.tap.tapCount = 1;
}
timeStampSeconds = event.timeStamp() / millisPerSecond;
modifiers = getWebInputModifiers(event);
globalX = event.screenX();
globalY = event.screenY();
IntPoint localPoint = convertAbsoluteLocationForRenderObject(event.absoluteLocation(), *renderObject);
x = localPoint.x();
y = localPoint.y();
}
WebMouseEventBuilder::WebMouseEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const TouchEvent& event)
{
if (!event.touches())
return;
if (event.touches()->length() != 1) {
if (event.touches()->length() || event.type() != EventTypeNames::touchend || !event.changedTouches() || event.changedTouches()->length() != 1)
return;
}
const Touch* touch = event.touches()->length() == 1 ? event.touches()->item(0) : event.changedTouches()->item(0);
if (touch->identifier())
return;
if (event.type() == EventTypeNames::touchstart)
type = MouseDown;
else if (event.type() == EventTypeNames::touchmove)
type = MouseMove;
else if (event.type() == EventTypeNames::touchend)
type = MouseUp;
else
return;
updateWebMouseEventFromWebCoreMouseEvent(event, *widget, *renderObject, *this);
button = WebMouseEvent::ButtonLeft;
modifiers |= WebInputEvent::LeftButtonDown;
clickCount = (type == MouseDown || type == MouseUp);
IntPoint localPoint = convertAbsoluteLocationForRenderObject(touch->absoluteLocation(), *renderObject);
x = localPoint.x();
y = localPoint.y();
}
static void updateWebMouseEventFromWebCoreMouseEvent(const MouseRelatedEvent& event, const Widget& widget, const WebCore::RenderObject& renderObject, WebMouseEvent& webEvent)
{
webEvent.timeStampSeconds = event.timeStamp() / millisPerSecond;
webEvent.modifiers = getWebInputModifiers(event);
ScrollView* view = widget.parent();
IntPoint windowPoint = view->contentsToWindow(IntPoint(event.absoluteLocation().x(), event.absoluteLocation().y()));
webEvent.globalX = event.screenX();
webEvent.globalY = event.screenY();
webEvent.windowX = windowPoint.x();
webEvent.windowY = windowPoint.y();
IntPoint localPoint = convertAbsoluteLocationForRenderObject(event.absoluteLocation(), renderObject);
webEvent.x = localPoint.x();
webEvent.y = localPoint.y();
}
// Generate a synthetic WebMouseEvent given a TouchEvent (eg. for emulating a mouse
// with touch input for plugins that don't support touch input).
WebMouseEventBuilder::WebMouseEventBuilder(const Widget* widget, const WebCore::RenderObject* renderObject, const TouchEvent& event)
{
if (!event.touches())
return;
if (event.touches()->length() != 1) {
if (event.touches()->length() || event.type() != EventTypeNames::touchend || !event.changedTouches() || event.changedTouches()->length() != 1)
return;
}
const Touch* touch = event.touches()->length() == 1 ? event.touches()->item(0) : event.changedTouches()->item(0);
if (touch->identifier())
return;
if (event.type() == EventTypeNames::touchstart)
type = MouseDown;
else if (event.type() == EventTypeNames::touchmove)
type = MouseMove;
else if (event.type() == EventTypeNames::touchend)
type = MouseUp;
else
return;
timeStampSeconds = event.timeStamp() / millisPerSecond;
modifiers = getWebInputModifiers(event);
// The mouse event co-ordinates should be generated from the co-ordinates of the touch point.
ScrollView* view = toScrollView(widget->parent());
IntPoint windowPoint = IntPoint(touch->absoluteLocation().x(), touch->absoluteLocation().y());
if (view)
windowPoint = view->contentsToWindow(windowPoint);
globalX = touch->screenX();
globalY = touch->screenY();
windowX = windowPoint.x();
windowY = windowPoint.y();
button = WebMouseEvent::ButtonLeft;
modifiers |= WebInputEvent::LeftButtonDown;
clickCount = (type == MouseDown || type == MouseUp);
IntPoint localPoint = convertAbsoluteLocationForRenderObject(touch->absoluteLocation(), *renderObject);
x = localPoint.x();
y = localPoint.y();
}
static void addTouchPoints(const Widget* widget, const AtomicString& touchType, TouchList* touches, WebTouchPoint* touchPoints, unsigned* touchPointsLength, const WebCore::RenderObject* renderObject)
{
unsigned numberOfTouches = std::min(touches->length(), static_cast<unsigned>(WebTouchEvent::touchesLengthCap));
for (unsigned i = 0; i < numberOfTouches; ++i) {
const Touch* touch = touches->item(i);
WebTouchPoint point;
point.id = touch->identifier();
point.screenPosition = WebFloatPoint(touch->screenX(), touch->screenY());
point.position = convertAbsoluteLocationForRenderObject(touch->absoluteLocation(), *renderObject);
point.radiusX = touch->webkitRadiusX();
point.radiusY = touch->webkitRadiusY();
point.rotationAngle = touch->webkitRotationAngle();
point.force = touch->webkitForce();
point.state = toWebTouchPointState(touchType);
touchPoints[i] = point;
}
*touchPointsLength = numberOfTouches;
}
