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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 Computer, 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 
36 namespace WebCore {
37 
38 class AccessibilityListBox;
39 class Element;
40 class HTMLElement;
41 class HTMLSelectElement;
42 
43 class AccessibilityListBoxOption : public AccessibilityObject {
44 
45 private:
46     AccessibilityListBoxOption();
47 public:
48     static PassRefPtr<AccessibilityListBoxOption> create();
49     virtual ~AccessibilityListBoxOption();
50 
setHTMLElement(HTMLElement * element)51     void setHTMLElement(HTMLElement* element) { m_optionElement = element; }
52 
roleValue()53     virtual AccessibilityRole roleValue() const { return ListBoxOptionRole; }
54     virtual bool accessibilityIsIgnored() const;
55     virtual bool isSelected() const;
56     virtual bool isEnabled() const;
57     virtual String stringValue() const;
58     virtual Element* actionElement() const;
node()59     virtual Node* node() const { return m_optionElement; }
60     virtual void setSelected(bool);
61     virtual bool canSetSelectedAttribute() const;
62 
63     virtual IntRect elementRect() const;
64     virtual AccessibilityObject* parentObject() const;
isListBoxOption()65     bool isListBoxOption() const { return true; }
66 
67 private:
68     HTMLElement* m_optionElement;
69 
canHaveChildren()70     virtual bool canHaveChildren() const { return false; }
71     HTMLSelectElement* listBoxOptionParentNode() const;
72     int listBoxOptionIndex() const;
73     IntRect listBoxOptionRect() const;
74     AccessibilityObject* listBoxOptionAccessibilityObject(HTMLElement*) const;
75 };
76 
77 } // namespace WebCore
78 
79 #endif // AccessibilityListBoxOption_h
80