ladybird/Libraries/LibWeb/CSS/CSSFontFaceRule.h
Sam Atkins 1ac3ede046 LibWeb/CSS: Make @font-face a critical style subresource
This causes `@font-face`'s loading state to propagate to its style sheet
and upwards.
2026-02-24 15:44:32 +00:00

62 lines
2 KiB
C++

/*
* Copyright (c) 2022-2025, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/CSSFontFaceDescriptors.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/CSSStyleSheet.h>
#include <LibWeb/CSS/ParsedFontFace.h>
namespace Web::CSS {
class FontFace;
class CSSFontFaceRule final
: public CSSRule
, public CSSStyleSheet::Subresource {
WEB_PLATFORM_OBJECT(CSSFontFaceRule, CSSRule);
GC_DECLARE_ALLOCATOR(CSSFontFaceRule);
public:
[[nodiscard]] static GC::Ref<CSSFontFaceRule> create(JS::Realm&, GC::Ref<CSSFontFaceDescriptors>);
virtual ~CSSFontFaceRule() override = default;
bool is_valid() const;
ParsedFontFace font_face() const;
GC::Ref<CSSStyleDeclaration> style() { return m_style; }
GC::Ref<CSSFontFaceDescriptors> descriptors() { return m_style; }
GC::Ref<CSSFontFaceDescriptors const> descriptors() const { return m_style; }
GC::Ptr<FontFace> css_connected_font_face() const { return m_css_connected_font_face; }
void set_css_connected_font_face(GC::Ptr<FontFace> font_face) { m_css_connected_font_face = font_face; }
void handle_descriptor_change(FlyString const& property);
void disconnect_font_face();
private:
CSSFontFaceRule(JS::Realm&, GC::Ref<CSSFontFaceDescriptors>);
virtual void initialize(JS::Realm&) override;
virtual String serialized() const override;
virtual void visit_edges(Visitor&) override;
virtual void dump(StringBuilder&, int indent_levels) const override;
void handle_src_descriptor_change();
virtual void set_parent_style_sheet(CSSStyleSheet*) override;
GC::Ptr<CSSStyleSheet> parent_style_sheet_for_subresource() override { return parent_style_sheet(); }
GC::Ref<CSSFontFaceDescriptors> m_style;
GC::Ptr<FontFace> m_css_connected_font_face;
};
template<>
inline bool CSSRule::fast_is<CSSFontFaceRule>() const { return type() == CSSRule::Type::FontFace; }
}