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/MathML/MathMLElement.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023, Jonah Shafran <jonahshafran@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/DOM/Element.h>
+#include <LibWeb/HTML/GlobalEventHandlers.h>
+#include <LibWeb/HTML/HTMLOrSVGElement.h>
+
+namespace Web::MathML {
+
+class MathMLElement : public DOM::Element
+    , public HTML::GlobalEventHandlers
+    , public HTML::HTMLOrSVGElement<MathMLElement> {
+    WEB_PLATFORM_OBJECT(MathMLElement, DOM::Element);
+    JS_DECLARE_ALLOCATOR(MathMLElement);
+
+public:
+    virtual ~MathMLElement() override;
+
+    virtual Optional<ARIA::Role> default_role() const override;
+
+protected:
+    virtual void attribute_change_steps(FlyString const&, Optional<String> const&, Optional<String> const&, Optional<FlyString> const&) override;
+    virtual WebIDL::ExceptionOr<void> cloned(DOM::Node&, bool) override;
+    virtual void inserted() override;
+    virtual JS::GCPtr<DOM::EventTarget> global_event_handlers_to_event_target(FlyString const&) override { return *this; }
+
+private:
+    MathMLElement(DOM::Document&, DOM::QualifiedName);
+
+    virtual void visit_edges(Visitor&) override;
+
+    virtual void initialize(JS::Realm&) override;
+};
+
+}