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/AXMenuList.h"
28
29 #include "core/accessibility/AXMenuListPopup.h"
30 #include "core/accessibility/AXObjectCache.h"
31 #include "core/rendering/RenderMenuList.h"
32
33 namespace blink {
34
AXMenuList(RenderMenuList * renderer)35 AXMenuList::AXMenuList(RenderMenuList* renderer)
36 : AXRenderObject(renderer)
37 {
38 }
39
create(RenderMenuList * renderer)40 PassRefPtr<AXMenuList> AXMenuList::create(RenderMenuList* renderer)
41 {
42 return adoptRef(new AXMenuList(renderer));
43 }
44
press() const45 bool AXMenuList::press() const
46 {
47 RenderMenuList* menuList = toRenderMenuList(m_renderer);
48 if (menuList->popupIsVisible())
49 menuList->hidePopup();
50 else
51 menuList->showPopup();
52 return true;
53 }
54
addChildren()55 void AXMenuList::addChildren()
56 {
57 m_haveChildren = true;
58
59 AXObjectCache* cache = m_renderer->document().axObjectCache();
60
61 AXObject* list = cache->getOrCreate(MenuListPopupRole);
62 if (!list)
63 return;
64
65 toAXMockObject(list)->setParent(this);
66 if (list->accessibilityIsIgnored()) {
67 cache->remove(list->axObjectID());
68 return;
69 }
70
71 m_children.append(list);
72
73 list->addChildren();
74 }
75
childrenChanged()76 void AXMenuList::childrenChanged()
77 {
78 if (m_children.isEmpty())
79 return;
80
81 ASSERT(m_children.size() == 1);
82 m_children[0]->childrenChanged();
83 }
84
isCollapsed() const85 bool AXMenuList::isCollapsed() const
86 {
87 return !toRenderMenuList(m_renderer)->popupIsVisible();
88 }
89
canSetFocusAttribute() const90 bool AXMenuList::canSetFocusAttribute() const
91 {
92 if (!node())
93 return false;
94
95 return !toElement(node())->isDisabledFormControl();
96 }
97
didUpdateActiveOption(int optionIndex)98 void AXMenuList::didUpdateActiveOption(int optionIndex)
99 {
100 RefPtrWillBeRawPtr<Document> document(m_renderer->document());
101 AXObjectCache* cache = document->axObjectCache();
102
103 const AccessibilityChildrenVector& childObjects = children();
104 if (!childObjects.isEmpty()) {
105 ASSERT(childObjects.size() == 1);
106 ASSERT(childObjects[0]->isMenuListPopup());
107
108 if (childObjects[0]->isMenuListPopup()) {
109 if (AXMenuListPopup* popup = toAXMenuListPopup(childObjects[0].get()))
110 popup->didUpdateActiveOption(optionIndex);
111 }
112 }
113
114 cache->postNotification(this, document.get(), AXObjectCache::AXMenuListValueChanged, true, PostSynchronously);
115 }
116
117 } // namespace blink
118