Node* nodeFromPoint(Document* document, int x, int y, LayoutPoint* localPoint)
{
Frame* frame = document->frame();
if (!frame)
return nullptr;
FrameView* frameView = frame->view();
if (!frameView)
return nullptr;
float scaleFactor = frame->pageZoomFactor() * frame->frameScaleFactor();
#if !PLATFORM(IOS)
IntPoint point = roundedIntPoint(FloatPoint(x * scaleFactor + frameView->scrollX(), y * scaleFactor + frameView->scrollY()));
if (!frameView->visibleContentRect().contains(point))
return nullptr;
#else
IntPoint point = roundedIntPoint(FloatPoint(x * scaleFactor + frameView->actualScrollX(), y * scaleFactor + frameView->actualScrollY()));
if (!frameView->actualVisibleContentRect().contains(point))
return nullptr;
#endif
HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::DisallowShadowContent);
HitTestResult result(point);
document->renderView()->hitTest(request, result);
if (localPoint)
*localPoint = result.localPoint();
return result.innerNode();
}
static LayoutSize contentsScrollOffset(AbstractView* abstractView)
{
if (!abstractView)
return LayoutSize();
Frame* frame = abstractView->frame();
if (!frame)
return LayoutSize();
FrameView* frameView = frame->view();
if (!frameView)
return LayoutSize();
#if !PLATFORM(IOS)
float scaleFactor = frame->pageZoomFactor() * frame->frameScaleFactor();
return LayoutSize(frameView->scrollX() / scaleFactor, frameView->scrollY() / scaleFactor);
#else
return LayoutSize(frameView->actualScrollX(), frameView->actualScrollY());
#endif
}