Bug 46191 – Make collapsed borders in tables work with different block flows

• Component: Layout and Rendering
• Status: RESOLVED FIXED

[Dave Hyatt]

The borderStart/End/Before/After methods are hardcoded to a specific block flow directionality for collapsed border tables.

Created attachment 72838 [details]
Patch

[Dave Hyatt]

Comment on attachment 72838 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=72838&action=review

r=me

> WebCore/rendering/RenderTableCell.cpp:666
> +CollapsedBorderValue RenderTableCell::collapsedLeftBorder() const
> +{
> +    if (table()->style()->isHorizontalWritingMode())
> +        return table()->style()->isLeftToRightDirection() ? collapsedStartBorder() : collapsedEndBorder();
> +    return table()->style()->isFlippedBlocksWritingMode() ? collapsedAfterBorder() : collapsedBeforeBorder();

I would cache table()->style() in a local and then use it in the three places where you acccess it.  Ditto for collapsedRight/Top/BottomBorder.

> WebCore/rendering/RenderTableCell.cpp:743
> +int RenderTableCell::borderHalfRight(bool outer) const
> +{
> +    if (table()->style()->isHorizontalWritingMode())
> +        return table()->style()->isLeftToRightDirection() ? borderHalfEnd(outer) : borderHalfStart(outer);
> +    return table()->style()->isFlippedBlocksWritingMode() ? borderHalfBefore(outer) : borderHalfAfter(outer);

Same comment.  Cache table()->style() in a local.  Same for all of the borderHalf*** functions.

Landed as <http://trac.webkit.org/projects/webkit/changeset/71251>.