static PlatformWheelEvent constructRelativeWheelEvent(const PlatformWheelEvent& e,
FramelessScrollView* parent,
FramelessScrollView* child)
{
IntPoint pos = parent->convertSelfToChild(child, e.pos());
// FIXME: This is a horrible hack since PlatformWheelEvent has no setters for x/y.
PlatformWheelEvent relativeEvent = e;
IntPoint& relativePos = const_cast<IntPoint&>(relativeEvent.pos());
relativePos.setX(pos.x());
relativePos.setY(pos.y());
return relativeEvent;
}
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();
}
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();
}