/*

 * 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;

};

}