ladybird/Libraries/LibWeb/CSS/SelectorEngine.h
Sam Atkins 4ab9ac86a7 LibWeb/CSS: Implement basic ::part() matching
Matches elements with a `part` attribute, against their parent shadow
host.
2025-12-15 14:12:39 +00:00

30 lines
1.1 KiB
C++

/*
* Copyright (c) 2018-2024, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/Selector.h>
#include <LibWeb/DOM/Element.h>
namespace Web::SelectorEngine {
enum class SelectorKind {
Normal,
Relative,
};
struct MatchContext {
GC::Ptr<CSS::CSSStyleSheet const> style_sheet_for_rule {};
GC::Ptr<DOM::Element const> subject {};
GC::Ptr<DOM::Element const> slotted_element {}; // Only set when matching a ::slotted() pseudo-element
GC::Ptr<DOM::Element const> part_owning_parent {}; // Only set temporarily when matching a ::part() pseudo-element
bool collect_per_element_selector_involvement_metadata { false };
CSS::PseudoClassBitmap attempted_pseudo_class_matches {};
};
bool matches(CSS::Selector const&, DOM::Element const&, GC::Ptr<DOM::Element const> shadow_host, MatchContext& context, Optional<CSS::PseudoElement> = {}, GC::Ptr<DOM::ParentNode const> scope = {}, SelectorKind selector_kind = SelectorKind::Normal, GC::Ptr<DOM::Element const> anchor = nullptr);
}