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/CSSKeyframesRule.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
+ * Copyright (c) 2024, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/FlyString.h>
+#include <AK/NonnullRefPtr.h>
+#include <LibJS/Heap/GCPtr.h>
+#include <LibWeb/CSS/CSSKeyframeRule.h>
+#include <LibWeb/CSS/CSSRule.h>
+#include <LibWeb/Forward.h>
+#include <LibWeb/WebIDL/ExceptionOr.h>
+#include <LibWeb/WebIDL/Types.h>
+
+namespace Web::CSS {
+
+// https://drafts.csswg.org/css-animations/#interface-csskeyframesrule
+class CSSKeyframesRule final : public CSSRule {
+    WEB_PLATFORM_OBJECT(CSSKeyframesRule, CSSRule);
+    JS_DECLARE_ALLOCATOR(CSSKeyframesRule);
+
+public:
+    [[nodiscard]] static JS::NonnullGCPtr<CSSKeyframesRule> create(JS::Realm&, FlyString name, JS::NonnullGCPtr<CSSRuleList>);
+
+    virtual ~CSSKeyframesRule() = default;
+
+    auto const& css_rules() const { return m_rules; }
+    FlyString const& name() const { return m_name; }
+    [[nodiscard]] WebIDL::UnsignedLong length() const;
+
+    void set_name(String const& name) { m_name = name; }
+
+private:
+    CSSKeyframesRule(JS::Realm&, FlyString name, JS::NonnullGCPtr<CSSRuleList> keyframes);
+    virtual void visit_edges(Visitor&) override;
+
+    virtual void initialize(JS::Realm&) override;
+    virtual String serialized() const override;
+
+    FlyString m_name;
+    JS::NonnullGCPtr<CSSRuleList> m_rules;
+};
+
+template<>
+inline bool CSSRule::fast_is<CSSKeyframesRule>() const { return type() == CSSRule::Type::Keyframes; }
+
+}