LibWeb: Implement CSSNestedDeclarations type

This is basically a list of properties, without a block around it. It'll be part of CSSStyleRules' contents.
Author: https://github.com/AtkinsSJ Commit: 9c66ab356a Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1842 Reviewed-by: https://github.com/awesomekling
2025-08-26 04:07:51 +00:00 · 2024-10-15 15:59:31 +01:00 · 2024-10-15 15:59:31 +01:00 · 9c66ab356a · 2024-10-17 18:57:40 +00:00
commit 9c66ab356a
parent 5b4d1b5b05
13 changed files with 155 additions and 26 deletions
--- a/Userland/Libraries/LibWeb/CSS/CSSNestedDeclarations.h
+++ b/Userland/Libraries/LibWeb/CSS/CSSNestedDeclarations.h
@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/CSS/CSSRule.h>
+
+namespace Web::CSS {
+
+class CSSNestedDeclarations final : public CSSRule {
+    WEB_PLATFORM_OBJECT(CSSNestedDeclarations, CSSRule);
+    JS_DECLARE_ALLOCATOR(CSSNestedDeclarations);
+
+public:
+    [[nodiscard]] static JS::NonnullGCPtr<CSSNestedDeclarations> create(JS::Realm&, PropertyOwningCSSStyleDeclaration&);
+
+    virtual ~CSSNestedDeclarations() override = default;
+
+    virtual Type type() const override { return Type::NestedDeclarations; }
+    PropertyOwningCSSStyleDeclaration const& declaration() const { return m_declaration; }
+
+    CSSStyleDeclaration* style();
+
+private:
+    CSSNestedDeclarations(JS::Realm&, PropertyOwningCSSStyleDeclaration&);
+
+    virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(Cell::Visitor&) override;
+    virtual String serialized() const override;
+
+    JS::NonnullGCPtr<PropertyOwningCSSStyleDeclaration> m_declaration;
+};
+
+template<>
+inline bool CSSRule::fast_is<CSSNestedDeclarations>() const { return type() == CSSRule::Type::NestedDeclarations; }
+
+}