Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibWeb/HTML/HTMLStyleElement.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2018-2021, Andreas Kling <andreas@ladybird.org>
+ * Copyright (c) 2021, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/DOM/StyleElementUtils.h>
+#include <LibWeb/HTML/HTMLElement.h>
+
+namespace Web::HTML {
+
+class HTMLStyleElement final : public HTMLElement {
+    WEB_PLATFORM_OBJECT(HTMLStyleElement, HTMLElement);
+    JS_DECLARE_ALLOCATOR(HTMLStyleElement);
+
+public:
+    virtual ~HTMLStyleElement() override;
+
+    virtual void children_changed() override;
+    virtual void inserted() override;
+    virtual void removed_from(Node*) override;
+
+    bool disabled();
+    void set_disabled(bool disabled);
+
+    CSS::CSSStyleSheet* sheet();
+    CSS::CSSStyleSheet const* sheet() const;
+
+private:
+    HTMLStyleElement(DOM::Document&, DOM::QualifiedName);
+
+    // ^DOM::Node
+    virtual bool is_html_style_element() const override { return true; }
+
+    virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(Cell::Visitor&) override;
+
+    DOM::StyleElementUtils m_style_element_utils;
+};
+
+}