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/CSSKeyframeRule.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2023, Ali Mohammad Pur <mpfard@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/NonnullRefPtr.h>
+#include <LibWeb/CSS/CSSRule.h>
+#include <LibWeb/CSS/CSSStyleDeclaration.h>
+#include <LibWeb/CSS/Percentage.h>
+#include <LibWeb/Forward.h>
+#include <LibWeb/WebIDL/ExceptionOr.h>
+
+namespace Web::CSS {
+
+// https://drafts.csswg.org/css-animations/#interface-csskeyframerule
+class CSSKeyframeRule final : public CSSRule {
+    WEB_PLATFORM_OBJECT(CSSKeyframeRule, CSSRule);
+    JS_DECLARE_ALLOCATOR(CSSKeyframeRule);
+
+public:
+    static JS::NonnullGCPtr<CSSKeyframeRule> create(JS::Realm&, CSS::Percentage key, PropertyOwningCSSStyleDeclaration&);
+
+    virtual ~CSSKeyframeRule() = default;
+
+    CSS::Percentage key() const { return m_key; }
+    JS::NonnullGCPtr<CSSStyleDeclaration> style() const { return m_declarations; }
+    JS::NonnullGCPtr<PropertyOwningCSSStyleDeclaration> style_as_property_owning_style_declaration() const { return m_declarations; }
+
+    String key_text() const
+    {
+        return m_key.to_string();
+    }
+
+    void set_key_text(String const& key_text)
+    {
+        dbgln("FIXME: CSSKeyframeRule::set_key_text is not implemented: {}", key_text);
+    }
+
+private:
+    CSSKeyframeRule(JS::Realm&, CSS::Percentage, PropertyOwningCSSStyleDeclaration&);
+
+    virtual void visit_edges(Visitor&) override;
+    virtual void initialize(JS::Realm&) override;
+    virtual String serialized() const override;
+
+    CSS::Percentage m_key;
+    JS::NonnullGCPtr<PropertyOwningCSSStyleDeclaration> m_declarations;
+};
+
+template<>
+inline bool CSSRule::fast_is<CSSKeyframeRule>() const { return type() == CSSRule::Type::Keyframe; }
+
+}