Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/CSS/CSSGroupingRule.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Function.h>
+#include <AK/NonnullRefPtr.h>
+#include <LibWeb/CSS/CSSRule.h>
+#include <LibWeb/CSS/CSSRuleList.h>
+#include <LibWeb/Forward.h>
+
+namespace Web::CSS {
+
+class CSSGroupingRule : public CSSRule {
+    WEB_PLATFORM_OBJECT(CSSGroupingRule, CSSRule);
+
+public:
+    virtual ~CSSGroupingRule() = default;
+
+    CSSRuleList const& css_rules() const { return m_rules; }
+    CSSRuleList& css_rules() { return m_rules; }
+    CSSRuleList* css_rules_for_bindings() { return m_rules; }
+    WebIDL::ExceptionOr<u32> insert_rule(StringView rule, u32 index = 0);
+    WebIDL::ExceptionOr<void> delete_rule(u32 index);
+
+    virtual void for_each_effective_rule(TraversalOrder, Function<void(CSSRule const&)> const& callback) const;
+
+    virtual void set_parent_style_sheet(CSSStyleSheet*) override;
+
+protected:
+    CSSGroupingRule(JS::Realm&, CSSRuleList&, Type);
+
+    virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(Cell::Visitor&) override;
+    virtual void clear_caches() override;
+
+private:
+    JS::NonnullGCPtr<CSSRuleList> m_rules;
+};
+
+}