RenderObject* RenderRubyRun::layoutSpecialExcludedChild(bool relayoutChildren)
{
// Don't bother positioning the RenderRubyRun yet.
RenderRubyText* rt = rubyText();
if (!rt)
return 0;
if (relayoutChildren)
rt->setChildNeedsLayout(true, false);
rt->layoutIfNeeded();
return rt;
}
RenderObject* RenderRubyRun::layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope& layoutScope)
{
// Don't bother positioning the RenderRubyRun yet.
RenderRubyText* rt = rubyText();
if (!rt)
return 0;
if (relayoutChildren)
layoutScope.setChildNeedsLayout(rt);
rt->layoutIfNeeded();
return rt;
}
RenderObject* RenderRubyRun::layoutSpecialExcludedChild(bool relayoutChildren)
{
StackStats::LayoutCheckPoint layoutCheckPoint;
// Don't bother positioning the RenderRubyRun yet.
RenderRubyText* rt = rubyText();
if (!rt)
return 0;
if (relayoutChildren)
rt->setChildNeedsLayout(MarkOnlyThis);
rt->layoutIfNeeded();
return rt;
}
void RenderRubyRun::layout()
{
RenderBlock::layout();
RenderRubyText* rt = rubyText();
if (!rt)
return;
rt->setLogicalLeft(0);
// Place the RenderRubyText such that its bottom is flush with the lineTop of the first line of the RenderRubyBase.
LayoutUnit lastLineRubyTextBottom = rt->logicalHeight();
LayoutUnit firstLineRubyTextTop = 0;
RootInlineBox* rootBox = rt->lastRootBox();
if (rootBox) {
// In order to align, we have to ignore negative leading.
firstLineRubyTextTop = rt->firstRootBox()->logicalTopLayoutOverflow();
lastLineRubyTextBottom = rootBox->logicalBottomLayoutOverflow();
}
if (style()->isFlippedLinesWritingMode() == (style()->rubyPosition() == RubyPositionAfter)) {
LayoutUnit firstLineTop = 0;
if (RenderRubyBase* rb = rubyBase()) {
RootInlineBox* rootBox = rb->firstRootBox();
if (rootBox)
firstLineTop = rootBox->logicalTopLayoutOverflow();
firstLineTop += rb->logicalTop();
}
rt->setLogicalTop(-lastLineRubyTextBottom + firstLineTop);
} else {
LayoutUnit lastLineBottom = logicalHeight();
if (RenderRubyBase* rb = rubyBase()) {
RootInlineBox* rootBox = rb->lastRootBox();
if (rootBox)
lastLineBottom = rootBox->logicalBottomLayoutOverflow();
lastLineBottom += rb->logicalTop();
}
rt->setLogicalTop(-firstLineRubyTextTop + lastLineBottom);
}
// Update our overflow to account for the new RenderRubyText position.
computeOverflow(clientLogicalBottom());
}
