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/DOM/AccessibilityTreeNode.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2022, Jonah Shafran <jonahshafran@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/JsonObjectSerializer.h>
+#include <AK/Vector.h>
+#include <LibJS/Heap/Cell.h>
+#include <LibJS/Heap/CellAllocator.h>
+#include <LibWeb/DOM/Node.h>
+#include <LibWeb/Forward.h>
+
+namespace Web::DOM {
+
+class AccessibilityTreeNode final : public JS::Cell {
+    JS_CELL(AccessibilityTreeNode, JS::Cell);
+    JS_DECLARE_ALLOCATOR(AccessibilityTreeNode);
+
+public:
+    static JS::NonnullGCPtr<AccessibilityTreeNode> create(Document*, DOM::Node const*);
+    virtual ~AccessibilityTreeNode() override = default;
+
+    JS::GCPtr<DOM::Node const> value() const { return m_value; }
+    void set_value(JS::GCPtr<DOM::Node const> value) { m_value = value; }
+    Vector<JS::GCPtr<AccessibilityTreeNode>> children() const { return m_children; }
+    void append_child(AccessibilityTreeNode* child) { m_children.append(child); }
+
+    void serialize_tree_as_json(JsonObjectSerializer<StringBuilder>& object, Document const&) const;
+
+protected:
+    virtual void visit_edges(Visitor&) override;
+
+private:
+    explicit AccessibilityTreeNode(JS::GCPtr<DOM::Node const>);
+
+    JS::GCPtr<DOM::Node const> m_value;
+    Vector<JS::GCPtr<AccessibilityTreeNode>> m_children;
+};
+
+}