[CSS Regions] region-overflow: break still renders the content that does not fit in the last region.

• Component: CSS
• Status: RESOLVED FIXED

[Mihai Balan]

When setting region-overflow: break; on a region, the content that "spills" out of the last region should break as if it was going to continue in another region and *NOT* be rendered anymore.
Currently, the content that overflows the last region is not broken and get rendered as if overflowing.

[Mihai Balan]

Created attachment 156101 [details]
Ref test highlighting the problem

[Mihnea Ovidenie]

Created attachment 156526 [details]
Patch

[Julien Chaffraix]

Comment on attachment 156526 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=156526&action=review

The change looks fine.

By the way - probably related - but shouldn't RenderBlock::hasNextPage be changed too? AFAICT we shouldn't have an extra page after the last region if it has region-overflow: break but the code seems to imply that we do.

> LayoutTests/fast/regions/region-overflow-break-expected.html:15
> +#gray {
>      overflow:visible;
>  }

This doesn't look fine but I guess it is expected because we don't implement forced region breaking. I would put a FIXME as it's confusing if you don't know our current implementation.

[Mihnea Ovidenie]

Created attachment 157695 [details]
Patch for landing

[WebKit Review Bot]

Comment on attachment 157695 [details]
Patch for landing

Clearing flags on attachment: 157695

Committed r125271: <http://trac.webkit.org/changeset/125271>

[WebKit Review Bot]

All reviewed patches have been landed.  Closing bug.