1/*
2 * Copyright (C) 2008 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#ifndef AccessibilityListBoxOption_h
30#define AccessibilityListBoxOption_h
31
32#include "AccessibilityObject.h"
33#include "HTMLElement.h"
34#include <wtf/Forward.h>
35
36namespace WebCore {
37
38class AccessibilityListBox;
39class Element;
40class HTMLElement;
41class HTMLSelectElement;
42
43class AccessibilityListBoxOption : public AccessibilityObject {
44
45private:
46    AccessibilityListBoxOption();
47public:
48    static PassRefPtr<AccessibilityListBoxOption> create();
49    virtual ~AccessibilityListBoxOption();
50
51    void setHTMLElement(HTMLElement* element) { m_optionElement = element; }
52
53    virtual AccessibilityRole roleValue() const override { return ListBoxOptionRole; }
54    virtual bool isSelected() const override;
55    virtual bool isEnabled() const override;
56    virtual bool isSelectedOptionActive() const override;
57    virtual String stringValue() const override;
58    virtual Element* actionElement() const override;
59    virtual Node* node() const override { return m_optionElement; }
60    virtual void setSelected(bool) override;
61    virtual bool canSetSelectedAttribute() const override;
62
63    virtual LayoutRect elementRect() const override;
64    virtual AccessibilityObject* parentObject() const override;
65    virtual bool isListBoxOption() const override final { return true; }
66
67private:
68    HTMLElement* m_optionElement;
69
70    virtual bool canHaveChildren() const override { return false; }
71    HTMLSelectElement* listBoxOptionParentNode() const;
72    int listBoxOptionIndex() const;
73    IntRect listBoxOptionRect() const;
74    AccessibilityObject* listBoxOptionAccessibilityObject(HTMLElement*) const;
75    virtual bool computeAccessibilityIsIgnored() const override;
76};
77
78ACCESSIBILITY_OBJECT_TYPE_CASTS(AccessibilityListBoxOption, isListBoxOption())
79
80} // namespace WebCore
81
82#endif // AccessibilityListBoxOption_h
83