Source/WebCore/accessibility/AccessibilityTreeItem.h

/*
 * Copyright (C) 2015 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
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 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#pragma once

#include "AccessibilityRenderObject.h"

namespace WebCore {
    
class AccessibilityTreeItem final : public AccessibilityRenderObject {
public:
    static Ref<AccessibilityTreeItem> create(RenderObject*);
    virtual ~AccessibilityTreeItem();

    bool supportsCheckedState() const override;

private:
    explicit AccessibilityTreeItem(RenderObject*);
    bool shouldIgnoreAttributeRole() const final { return !m_isTreeItemValid; }
    AccessibilityRole determineAccessibilityRole() override;
    bool m_isTreeItemValid;
};
    
} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityTreeItem, isTreeItem())