LayoutRect InlineTextBox::logicalOverflowRect() const {
if (knownToHaveNoOverflow() || !gTextBoxesWithOverflow)
return logicalFrameRect();
const auto& it = gTextBoxesWithOverflow->find(this);
if (it != gTextBoxesWithOverflow->end())
return it->value;
return logicalFrameRect();
}
void InlineTextBox::setLogicalOverflowRect(const LayoutRect& rect) {
ASSERT(!knownToHaveNoOverflow());
DCHECK(rect != logicalFrameRect());
if (!gTextBoxesWithOverflow)
gTextBoxesWithOverflow = new InlineTextBoxOverflowMap;
gTextBoxesWithOverflow->set(this, rect);
}
LayoutRect InlineTextBox::logicalOverflowRect() const
{
if (knownToHaveNoOverflow() || !gTextBoxesWithOverflow) {
// FIXME: the call to rawValue() below is temporary and should be removed once the transition
// to LayoutUnit-based types is complete (crbug.com/321237). The call to enclosingIntRect()
// should also likely be switched to LayoutUnit pixel-snapping.
return LayoutRect(enclosingIntRect(logicalFrameRect()));
}
return gTextBoxesWithOverflow->get(this);
}
bool InlineBox::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit /* lineTop */, LayoutUnit /* lineBottom */)
{
// Hit test all phases of replaced elements atomically, as though the replaced element established its
// own stacking context. (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
// specification.)
LayoutPoint childPoint = accumulatedOffset;
if (parent()->lineLayoutItem().hasFlippedBlocksWritingMode()) // Faster than calling containingBlock().
childPoint = layoutObject().containingBlock()->flipForWritingModeForChild(&toLayoutBox(layoutObject()), childPoint);
if (lineLayoutItem().style()->hasBorderRadius()) {
LayoutRect borderRect = logicalFrameRect();
borderRect.moveBy(accumulatedOffset);
FloatRoundedRect border = lineLayoutItem().style()->getRoundedBorderFor(borderRect);
if (!locationInContainer.intersects(border))
return false;
}
return lineLayoutItem().hitTest(result, locationInContainer, childPoint);
}
