void EventTargetNode::dispatchWheelEvent(PlatformWheelEvent& e)
{
ASSERT(!eventDispatchForbidden());
if (e.deltaX() == 0 && e.deltaY() == 0)
return;
FrameView* view = document()->view();
if (!view)
return;
IntPoint pos = view->windowToContents(e.pos());
// Convert the deltas from pixels to lines if we have a pixel scroll event.
float deltaX = e.deltaX();
float deltaY = e.deltaY();
// FIXME: Should we do anything with a ScrollByPageWheelEvent here?
// It will be treated like a line scroll of 1 right now.
if (e.granularity() == ScrollByPixelWheelEvent) {
deltaX /= cMouseWheelPixelsPerLineStep;
deltaY /= cMouseWheelPixelsPerLineStep;
}
RefPtr<WheelEvent> we = WheelEvent::create(e.deltaX(), e.deltaY(),
document()->defaultView(), e.globalX(), e.globalY(), pos.x(), pos.y(),
e.ctrlKey(), e.altKey(), e.shiftKey(), e.metaKey());
ExceptionCode ec = 0;
if (!dispatchEvent(we.release(), ec))
e.accept();
}
WheelEventDispatchMediator::WheelEventDispatchMediator(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view)
{
if (!(event.deltaX() || event.deltaY()))
return;
setEvent(WheelEvent::create(FloatPoint(event.wheelTicksX(), event.wheelTicksY()), FloatPoint(event.deltaX(), event.deltaY()),
deltaMode(event), view, event.globalPosition(), event.position(),
event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.directionInvertedFromDevice()));
}
PassRefPtrWillBeRawPtr<WheelEvent> WheelEvent::create(const PlatformWheelEvent& event, PassRefPtrWillBeRawPtr<AbstractView> view)
{
return adoptRefWillBeNoop(new WheelEvent(FloatPoint(event.wheelTicksX(), event.wheelTicksY()), FloatPoint(event.deltaX(), event.deltaY()),
convertDeltaMode(event), view, event.globalPosition(), event.position(),
event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(),
MouseEvent::platformModifiersToButtons(event.modifiers()),
event.canScroll(), event.hasPreciseScrollingDeltas(),
static_cast<Event::RailsMode>(event.railsMode())));
}
WheelEventDispatchMediator::WheelEventDispatchMediator(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view)
{
if (!(event.deltaX() || event.deltaY()))
return;
setEvent(WheelEvent::create(FloatPoint(event.wheelTicksX(), event.wheelTicksY()), FloatPoint(event.deltaX(), event.deltaY()),
granularity(event), view, IntPoint(event.globalX(), event.globalY()), IntPoint(event.x(), event.y()),
event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.webkitDirectionInvertedFromDevice()));
}
WheelEvent::WheelEvent(const PlatformWheelEvent& event, DOMWindow* view)
: MouseEvent(eventNames().wheelEvent, true, true, event.timestamp(), view, 0, event.globalPosition(), event.position()
#if ENABLE(POINTER_LOCK)
, { }
#endif
, event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), 0, 0, 0, 0, 0, false)
, m_wheelDelta(event.wheelTicksX() * TickMultiplier, event.wheelTicksY() * TickMultiplier)
, m_deltaX(-event.deltaX())
, m_deltaY(-event.deltaY())
, m_deltaMode(determineDeltaMode(event))
, m_wheelEvent(event)
, m_initializedWithPlatformWheelEvent(true)
{
}
void EventDispatcher::dispatchWheelEvent(Node* node, PlatformWheelEvent& event)
{
ASSERT(!eventDispatchForbidden());
if (!(event.deltaX() || event.deltaY()))
return;
EventDispatcher dispatcher(node);
RefPtr<WheelEvent> wheelEvent = WheelEvent::create(event.wheelTicksX(), event.wheelTicksY(), event.deltaX(), event.deltaY(), granularity(event),
node->document()->defaultView(), event.globalX(), event.globalY(), event.x(), event.y(),
event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey());
if (!dispatcher.dispatchEvent(wheelEvent) || wheelEvent->defaultHandled())
event.accept();
}
void EventTargetNode::dispatchWheelEvent(PlatformWheelEvent& e)
{
ASSERT(!eventDispatchForbidden());
if (e.deltaX() == 0 && e.deltaY() == 0)
return;
FrameView* view = document()->view();
if (!view)
return;
IntPoint pos = view->windowToContents(e.pos());
RefPtr<WheelEvent> we = WheelEvent::create(e.deltaX(), e.deltaY(),
document()->defaultView(), e.globalX(), e.globalY(), pos.x(), pos.y(),
e.ctrlKey(), e.altKey(), e.shiftKey(), e.metaKey());
ExceptionCode ec = 0;
if (!dispatchEvent(we.release(), ec, true))
e.accept();
}
void EventTargetNode::dispatchWheelEvent(PlatformWheelEvent& e)
{
assert(!eventDispatchForbidden());
if (e.delta() == 0)
return;
FrameView* view = document()->view();
if (!view)
return;
IntPoint pos = view->viewportToContents(e.pos());
RefPtr<WheelEvent> we = new WheelEvent(e.isHorizontal(), e.delta(),
document()->defaultView(), e.globalX(), e.globalY(), pos.x(), pos.y(),
e.ctrlKey(), e.altKey(), e.shiftKey(), e.metaKey());
ExceptionCode ec = 0;
if (!dispatchEvent(we, ec, true))
e.accept();
}