1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#pragma once
30
31#include "AccessibilityRenderObject.h"
32
33namespace WebCore {
34
35class AccessibilityLabel final : public AccessibilityRenderObject {
36public:
37 static Ref<AccessibilityLabel> create(RenderObject*);
38 virtual ~AccessibilityLabel();
39
40 bool containsOnlyStaticText() const;
41 bool containsUnrelatedControls() const;
42
43private:
44 explicit AccessibilityLabel(RenderObject*);
45 bool computeAccessibilityIsIgnored() const final;
46 AccessibilityRole roleValue() const final { return AccessibilityRole::Label; }
47 bool isLabel() const final { return true; }
48 String stringValue() const final;
49 void updateChildrenIfNecessary() final;
50 void clearChildren() final;
51 void insertChild(AccessibilityObject*, unsigned) final;
52 bool m_containsOnlyStaticTextDirty : 1;
53 bool m_containsOnlyStaticText : 1;
54};
55
56} // namespace WebCore
57
58SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityLabel, isLabel())
59