Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6c2570b4a4d2472445444323e37741fc45e90904
https://github.com/WebKit/WebKit/commit/6c2570b4a4d2472445444323e37741fc45e90904
Author: Ahmad Saleem <[email protected]>
Date: 2022-11-02 (Wed, 02 Nov 2022)
Changed paths:
A
LayoutTests/fast/block/margin-collapse/clear-dynamically-added-float-expected.txt
A LayoutTests/fast/block/margin-collapse/clear-dynamically-added-float.html
M Source/WebCore/rendering/RenderBlockFlow.cpp
Log Message:
-----------
Clear floats added dynamically to previous siblings
Clear floats added dynamically to previous siblings
https://bugs.webkit.org/show_bug.cgi?id=247237
Reviewed by Alan Baradlay.
This patch is to align Webkit behavior with Blink / Chrome and Gecko / Firefox.
Merge -
https://chromium.googlesource.com/chromium/src.git/+/c75a8e71e60527400e95d0834f4a07a018087130
If margin collapsing moves a child up into a previous
sibling, we shouldn't add any floats that it may have cleared and prompt
another layout
so that the child can also clear them if necessary. Confining the need for a
layout to
cases where the self-collapsing block has margin excludes the more obvious case
where a sibling has a lot of negative margin and moves up into a sibling with
nested floats inside.
* Source/WebCore/rendering/RenderBlockFlow:
(RenderBlockFlow::collapseMarginsWithChildInfo): Remove
"clearanceForSelfCollapsingBlock" and conditions and update comment as needed
* LayoutTests/fast/block/margin-collapse/clear-dynamically-added-float.html:
Added Test Case
*
LayoutTests/fast/block/margin-collapse/clear-dynamically-added-float-expected.txt:
Added Test Case Expectations
Canonical link: https://commits.webkit.org/256238@main
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