Source/WebCore/accessibility/AccessibilityLabel.h

/*
 * Copyright (C) 2016 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
 *     notice, this list of conditions and the following disclaimer in the
 *     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
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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#pragma once

#include "AccessibilityRenderObject.h"

namespace WebCore {
    
class AccessibilityLabel final : public AccessibilityRenderObject {
public:
    static Ref<AccessibilityLabel> create(RenderObject*);
    virtual ~AccessibilityLabel();
    
    bool containsOnlyStaticText() const;
    bool containsUnrelatedControls() const;

private:
    explicit AccessibilityLabel(RenderObject*);
    bool computeAccessibilityIsIgnored() const final;

    AccessibilityRole determineAccessibilityRole() final { return AccessibilityRole::Label; }

    bool isLabel() const final { return true; }
    String stringValue() const final;
    void updateChildrenIfNecessary() final;
    void clearChildren() final;
    void insertChild(AXCoreObject*, unsigned, DescendIfIgnored = DescendIfIgnored::Yes) final;
    bool m_containsOnlyStaticTextDirty : 1;
    bool m_containsOnlyStaticText : 1;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::AccessibilityLabel) \
    static bool isType(const WebCore::AccessibilityObject& object) { return object.isLabel(); } \
SPECIALIZE_TYPE_TRAITS_END()