[webkit-changes] [WebKit/WebKit] 48fb05: [CSS Container Queries] Container for ::part pseud...

[Antti Koivisto]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 48fb05f652fabe37e6b455c8c06d6b680f808b98
      https://github.com/WebKit/WebKit/commit/48fb05f652fabe37e6b455c8c06d6b680f808b98
  Author: Antti Koivisto <antti at apple.com>
  Date:   2023-08-29 (Tue, 29 Aug 2023)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/css/css-contain/container-queries/container-for-shadow-dom-expected.txt
    M Source/WebCore/style/ContainerQueryEvaluator.cpp
    M Source/WebCore/style/ContainerQueryEvaluator.h
    M Source/WebCore/style/ElementRuleCollector.cpp
    M Source/WebCore/style/ElementRuleCollector.h

  Log Message:
  -----------
  [CSS Container Queries] Container for ::part pseudo-element should be selected from originating element tree
https://bugs.webkit.org/show_bug.cgi?id=260861
rdar://114626579

Reviewed by Alan Baradlay.

* LayoutTests/imported/w3c/web-platform-tests/css/css-contain/container-queries/container-for-shadow-dom-expected.txt:
* Source/WebCore/style/ContainerQueryEvaluator.cpp:
(WebCore::Style::ContainerQueryEvaluator::selectContainer):

Add separate selection mode for ::part pseudo-element where we never look for container in the current tree.

* Source/WebCore/style/ContainerQueryEvaluator.h:
* Source/WebCore/style/ElementRuleCollector.cpp:
(WebCore::Style::ElementRuleCollector::matchPartPseudoElementRulesForScope):

Pass a bit via MatchRequest to indicate we are matching ::part pseudo-elements.

(WebCore::Style::ElementRuleCollector::containerQueriesMatch):
* Source/WebCore/style/ElementRuleCollector.h:

Canonical link: https://commits.webkit.org/267421@main