Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 68af3881b5ea3760c73b9eda843777768777acd2
https://github.com/WebKit/WebKit/commit/68af3881b5ea3760c73b9eda843777768777acd2
Author: Alan Baradlay <[email protected]>
Date: 2026-09-14 (Mon, 14 Sep 2026)
Changed paths:
A
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/transformed-table-section-containing-block-expected.txt
A
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/transformed-table-section-containing-block.html
M Source/WebCore/rendering/RenderBlock.cpp
M Source/WebCore/rendering/RenderBox.cpp
M Source/WebCore/rendering/RenderElement.h
M Source/WebCore/rendering/RenderObject.cpp
Log Message:
-----------
Transforming a table row group misplaces absolutely positioned children
https://bugs.webkit.org/show_bug.cgi?id=324019
<rdar://problem/187252945>
Reviewed by Antti Koivisto.
A box that starts or stops being the containing block for out-of-flow
descendants has to take them off the block that currently holds them.
Only RenderBlock and RenderInline called
removeOutOfFlowBoxesIfNeededOnStyleChange, so a table section gaining a
transform left its
absolutely positioned descendants registered on the old containing block and
they were laid out against it.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/transformed-table-section-containing-block-expected.txt:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/transformed-table-section-containing-block.html:
Added.
* Source/WebCore/rendering/RenderBlock.cpp:
(WebCore::RenderBlock::styleWillChange):
* Source/WebCore/rendering/RenderBox.cpp:
(WebCore::RenderBox::styleWillChange):
* Source/WebCore/rendering/RenderElement.h:
* Source/WebCore/rendering/RenderObject.cpp:
(WebCore::RenderElement::nearestNonAnonymousContainingBlockIncludingSelf const):
(WebCore::RenderObject::containingBlockForPositionType):
Canonical link: https://commits.webkit.org/321065@main
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