LibWeb/CSS: Add CSSFontFaceDescriptors type

This is a CSSOM type that holds the descriptors for a CSSFontFaceRule, but this commit only adds it without using it.
Author: https://github.com/AtkinsSJ Commit: cb8511772d Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4206
2025-06-02 16:33:13 +00:00 · 2025-04-03 11:44:06 +01:00 · 2025-04-03 11:44:06 +01:00 · cb8511772d · 2025-04-04 09:41:56 +00:00
commit cb8511772d
parent 1bc73ed4a8
7 changed files with 538 additions and 0 deletions
--- a/Libraries/LibWeb/CSS/CSSFontFaceDescriptors.h
+++ b/Libraries/LibWeb/CSS/CSSFontFaceDescriptors.h
@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/CSS/CSSStyleDeclaration.h>
+#include <LibWeb/CSS/Descriptor.h>
+
+namespace Web::CSS {
+
+// https://drafts.csswg.org/css-fonts-4/#cssfontfacedescriptors
+class CSSFontFaceDescriptors final
+    : public CSSStyleDeclaration {
+    WEB_PLATFORM_OBJECT(CSSFontFaceDescriptors, CSSStyleDeclaration);
+    GC_DECLARE_ALLOCATOR(CSSFontFaceDescriptors);
+
+public:
+    [[nodiscard]] static GC::Ref<CSSFontFaceDescriptors> create(JS::Realm&, Vector<Descriptor>);
+
+    virtual ~CSSFontFaceDescriptors() override;
+
+    virtual void initialize(JS::Realm&) override;
+
+    virtual size_t length() const override;
+    virtual String item(size_t index) const override;
+
+    virtual WebIDL::ExceptionOr<void> set_property(StringView property, StringView value, StringView priority) override;
+    virtual WebIDL::ExceptionOr<String> remove_property(StringView property) override;
+    virtual String get_property_value(StringView property) const override;
+    virtual StringView get_property_priority(StringView property) const override;
+
+    RefPtr<CSSStyleValue const> descriptor(DescriptorID) const;
+
+    WebIDL::ExceptionOr<void> set_ascent_override(StringView value);
+    String ascent_override() const;
+
+    WebIDL::ExceptionOr<void> set_descent_override(StringView value);
+    String descent_override() const;
+
+    WebIDL::ExceptionOr<void> set_font_display(StringView value);
+    String font_display() const;
+
+    WebIDL::ExceptionOr<void> set_font_family(StringView value);
+    String font_family() const;
+
+    WebIDL::ExceptionOr<void> set_font_feature_settings(StringView value);
+    String font_feature_settings() const;
+
+    WebIDL::ExceptionOr<void> set_font_language_override(StringView value);
+    String font_language_override() const;
+
+    WebIDL::ExceptionOr<void> set_font_named_instance(StringView value);
+    String font_named_instance() const;
+
+    WebIDL::ExceptionOr<void> set_font_style(StringView value);
+    String font_style() const;
+
+    WebIDL::ExceptionOr<void> set_font_variation_settings(StringView value);
+    String font_variation_settings() const;
+
+    WebIDL::ExceptionOr<void> set_font_weight(StringView value);
+    String font_weight() const;
+
+    WebIDL::ExceptionOr<void> set_font_width(StringView value);
+    String font_width() const;
+
+    WebIDL::ExceptionOr<void> set_line_gap_override(StringView value);
+    String line_gap_override() const;
+
+    WebIDL::ExceptionOr<void> set_src(StringView value);
+    String src() const;
+
+    WebIDL::ExceptionOr<void> set_unicode_range(StringView value);
+    String unicode_range() const;
+
+    virtual String serialized() const override;
+
+    virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
+
+private:
+    CSSFontFaceDescriptors(JS::Realm&, Vector<Descriptor>);
+
+    bool set_a_css_declaration(DescriptorID, NonnullRefPtr<CSSStyleValue const>, Important);
+
+    virtual void visit_edges(Visitor&) override;
+
+    Vector<Descriptor> m_descriptors;
+};
+
+}