eliott/ladybird
1
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird synced 2026-04-25 17:25:08 +02:00
Code Issues Packages Projects Releases Wiki Activity

LibWeb/Layout: Make transform-style: preserve-3d establish APCBs

Browse Source
This commit is contained in:
Sam Atkins
2025-12-16 15:17:53 +00:00
parent cf2520d6a4
commit cc3e427498
Notes: github-actions[bot] 2026-01-06 15:56:36 +00:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/LadybirdBrowser/ladybird/commit/cc3e4274982
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7158
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
Libraries/LibWeb/Layout/Node.cpp
View File

@@ -122,6 +122,17 @@ bool Node::establishes_an_absolute_positioning_containing_block() const
if (has_layout_containment() || has_paint_containment() || will_change_property(CSS::PropertyID::Contain))
return true;
// https://drafts.csswg.org/css-transforms-2/#transform-style-property
// A computed value of 'preserve-3d' for 'transform-style' on a transformable element establishes both a
// stacking context and a containing block for all descendants.
// FIXME: Check that the element is a transformable element.
if (computed_values.transform_style() == CSS::TransformStyle::Preserve3d || will_change_property(CSS::PropertyID::TransformStyle))
return true;
// https://drafts.csswg.org/css-view-transitions-1/#snapshot-containing-block-concept
// FIXME: The snapshot containing block is considered to be an absolute positioning containing block and a fixed
// positioning containing block for ::view-transition and its descendants.
return false;
}