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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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51 PassRefPtr<AXListBoxOption> AXListBoxOption::create(LayoutObject* layoutObject,
AXObjectCacheImpl* axObjectCache) | 51 PassRefPtr<AXListBoxOption> AXListBoxOption::create(LayoutObject* layoutObject,
AXObjectCacheImpl* axObjectCache) |
52 { | 52 { |
53 return adoptRef(new AXListBoxOption(layoutObject, axObjectCache)); | 53 return adoptRef(new AXListBoxOption(layoutObject, axObjectCache)); |
54 } | 54 } |
55 | 55 |
56 AccessibilityRole AXListBoxOption::roleValue() const | 56 AccessibilityRole AXListBoxOption::roleValue() const |
57 { | 57 { |
58 AccessibilityRole ariaRole = ariaRoleAttribute(); | 58 AccessibilityRole ariaRole = ariaRoleAttribute(); |
59 if (ariaRole != UnknownRole) | 59 if (ariaRole != UnknownRole) |
60 return ariaRole; | 60 return ariaRole; |
| 61 |
| 62 // http://www.w3.org/TR/wai-aria/complete#presentation |
| 63 // ARIA spec says that the presentation role causes a given element to be tr
eated |
| 64 // as having no role or to be removed from the accessibility tree, but does
not cause the |
| 65 // content contained within the element to be removed from the accessibility
tree. |
| 66 if (isParentPresentationalRole()) |
| 67 return StaticTextRole; |
| 68 |
61 return ListBoxOptionRole; | 69 return ListBoxOptionRole; |
62 } | 70 } |
63 | 71 |
| 72 bool AXListBoxOption::isParentPresentationalRole() const |
| 73 { |
| 74 AXObject* parent = parentObject(); |
| 75 if (!parent) |
| 76 return false; |
| 77 |
| 78 LayoutObject* layoutObject = parent->layoutObject(); |
| 79 if (!layoutObject) |
| 80 return false; |
| 81 |
| 82 if (layoutObject->isListBox() && parent->hasInheritedPresentationalRole()) |
| 83 return true; |
| 84 |
| 85 return false; |
| 86 } |
| 87 |
64 bool AXListBoxOption::isEnabled() const | 88 bool AXListBoxOption::isEnabled() const |
65 { | 89 { |
66 if (!node()) | 90 if (!node()) |
67 return false; | 91 return false; |
68 | 92 |
69 if (equalIgnoringCase(getAttribute(aria_disabledAttr), "true")) | 93 if (equalIgnoringCase(getAttribute(aria_disabledAttr), "true")) |
70 return false; | 94 return false; |
71 | 95 |
72 if (toElement(node())->hasAttribute(disabledAttr)) | 96 if (toElement(node())->hasAttribute(disabledAttr)) |
73 return false; | 97 return false; |
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169 unsigned length = listItems.size(); | 193 unsigned length = listItems.size(); |
170 for (unsigned i = 0; i < length; i++) { | 194 for (unsigned i = 0; i < length; i++) { |
171 if (listItems[i] == node()) | 195 if (listItems[i] == node()) |
172 return i; | 196 return i; |
173 } | 197 } |
174 | 198 |
175 return -1; | 199 return -1; |
176 } | 200 } |
177 | 201 |
178 } // namespace blink | 202 } // namespace blink |
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