Bug 123725

Summary: Use RenderAncestorIterator in a couple of places.
Product: WebKit Reporter: Andreas Kling <kling>
Component: Layout and RenderingAssignee: Andreas Kling <kling>
Status: RESOLVED FIXED    
Severity: Normal CC: kling, koivisto
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch koivisto: review+

Description Andreas Kling 2013-11-04 01:37:48 PST
Use RenderAncestorIterator in a couple of places.
Comment 1 Andreas Kling 2013-11-04 01:46:00 PST
Created attachment 215897 [details]
Patch
Comment 2 Antti Koivisto 2013-11-04 04:00:04 PST
Comment on attachment 215897 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=215897&action=review

> Source/WebCore/rendering/RenderRegion.cpp:405
> +    if (auto closestFlowThreadAncestor = ancestorsOfType<RenderNamedFlowThread>(*this).first()) {
> +        m_parentNamedFlowThread = &*closestFlowThreadAncestor;
> +        // Do not take into account a region that links a flow with itself. The dependency
> +        // cannot change, so it is not worth adding it to the list.
> +        if (m_flowThread == m_parentNamedFlowThread)
> +            m_flowThread = nullptr;
> +    } else
> +        m_parentNamedFlowThread = nullptr;
>  }

I would reverse the test and do early return in the else case.
Comment 3 Andreas Kling 2013-11-04 16:11:12 PST
Committed r158611: <http://trac.webkit.org/changeset/158611>