1 /*
2 * Copyright (C) 2010 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "core/accessibility/AXMenuListOption.h"
28
29 #include "core/html/HTMLOptionElement.h"
30
31 namespace blink {
32
33 using namespace HTMLNames;
34
AXMenuListOption()35 AXMenuListOption::AXMenuListOption()
36 {
37 }
38
setElement(HTMLElement * element)39 void AXMenuListOption::setElement(HTMLElement* element)
40 {
41 ASSERT_ARG(element, isHTMLOptionElement(element));
42 m_element = element;
43 }
44
actionElement() const45 Element* AXMenuListOption::actionElement() const
46 {
47 return m_element.get();
48 }
49
isEnabled() const50 bool AXMenuListOption::isEnabled() const
51 {
52 // isDisabledFormControl() returns true if the parent <select> element is disabled,
53 // which we don't want.
54 return !toHTMLOptionElement(m_element)->ownElementDisabled();
55 }
56
isVisible() const57 bool AXMenuListOption::isVisible() const
58 {
59 if (!m_parent)
60 return false;
61
62 // In a single-option select with the popup collapsed, only the selected
63 // item is considered visible.
64 return !m_parent->isOffScreen() || isSelected();
65 }
66
isOffScreen() const67 bool AXMenuListOption::isOffScreen() const
68 {
69 // Invisible list options are considered to be offscreen.
70 return !isVisible();
71 }
72
isSelected() const73 bool AXMenuListOption::isSelected() const
74 {
75 return toHTMLOptionElement(m_element)->selected();
76 }
77
setSelected(bool b)78 void AXMenuListOption::setSelected(bool b)
79 {
80 if (!canSetSelectedAttribute())
81 return;
82
83 toHTMLOptionElement(m_element)->setSelected(b);
84 }
85
canSetSelectedAttribute() const86 bool AXMenuListOption::canSetSelectedAttribute() const
87 {
88 return isEnabled();
89 }
90
computeAccessibilityIsIgnored() const91 bool AXMenuListOption::computeAccessibilityIsIgnored() const
92 {
93 return accessibilityIsIgnoredByDefault();
94 }
95
elementRect() const96 LayoutRect AXMenuListOption::elementRect() const
97 {
98 AXObject* parent = parentObject();
99 ASSERT(parent->isMenuListPopup());
100
101 AXObject* grandparent = parent->parentObject();
102 ASSERT(grandparent->isMenuList());
103
104 return grandparent->elementRect();
105 }
106
stringValue() const107 String AXMenuListOption::stringValue() const
108 {
109 return toHTMLOptionElement(m_element)->text();
110 }
111
112 } // namespace blink
113