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 "AccessibilityMenuListOption.h"
28
29 #include "AXObjectCache.h"
30 #include "AccessibilityMenuListPopup.h"
31 #include "HTMLNames.h"
32 #include "HTMLOptionElement.h"
33
34 namespace WebCore {
35
36 using namespace HTMLNames;
37
AccessibilityMenuListOption()38 AccessibilityMenuListOption::AccessibilityMenuListOption()
39 : m_popup(0)
40 {
41 }
42
setElement(HTMLElement * element)43 void AccessibilityMenuListOption::setElement(HTMLElement* element)
44 {
45 ASSERT_ARG(element, element->hasTagName(optionTag));
46 m_element = element;
47 }
48
actionElement() const49 Element* AccessibilityMenuListOption::actionElement() const
50 {
51 return m_element.get();
52 }
53
parentObject() const54 AccessibilityObject* AccessibilityMenuListOption::parentObject() const
55 {
56 return m_popup;
57 }
58
isEnabled() const59 bool AccessibilityMenuListOption::isEnabled() const
60 {
61 // disabled() returns true if the parent <select> element is disabled,
62 // which we don't want.
63 return !static_cast<HTMLOptionElement*>(m_element.get())->ownElementDisabled();
64 }
65
isVisible() const66 bool AccessibilityMenuListOption::isVisible() const
67 {
68 // In a single-option select with the popup collapsed, only the selected
69 // item is considered visible.
70 return !m_popup->isOffScreen() || isSelected();
71 }
72
isOffScreen() const73 bool AccessibilityMenuListOption::isOffScreen() const
74 {
75 // Invisible list options are considered to be offscreen.
76 return !isVisible();
77 }
78
isSelected() const79 bool AccessibilityMenuListOption::isSelected() const
80 {
81 return static_cast<HTMLOptionElement*>(m_element.get())->selected();
82 }
83
setSelected(bool b)84 void AccessibilityMenuListOption::setSelected(bool b)
85 {
86 if (!canSetSelectedAttribute())
87 return;
88
89 static_cast<HTMLOptionElement*>(m_element.get())->setSelected(b);
90 }
91
nameForMSAA() const92 String AccessibilityMenuListOption::nameForMSAA() const
93 {
94 return static_cast<HTMLOptionElement*>(m_element.get())->text();
95 }
96
canSetSelectedAttribute() const97 bool AccessibilityMenuListOption::canSetSelectedAttribute() const
98 {
99 return isEnabled();
100 }
101
elementRect() const102 IntRect AccessibilityMenuListOption::elementRect() const
103 {
104 AccessibilityObject* parent = parentObject();
105 ASSERT(parent->isMenuListPopup());
106
107 AccessibilityObject* grandparent = parent->parentObject();
108 ASSERT(grandparent->isMenuList());
109
110 return grandparent->elementRect();
111 }
112
113 } // namespace WebCore
114