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| 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/AXObjectCacheImpl.h" | |
| 31 #include "core/rendering/RenderMenuList.h" | |
| 32 | |
| 33 namespace blink { | |
| 34 | |
| 35 AXMenuList::AXMenuList(RenderMenuList* renderer) | |
| 36 : AXRenderObject(renderer) | |
| 37 { | |
| 38 } | |
| 39 | |
| 40 PassRefPtr<AXMenuList> AXMenuList::create(RenderMenuList* renderer) | |
| 41 { | |
| 42 return adoptRef(new AXMenuList(renderer)); | |
| 43 } | |
| 44 | |
| 45 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 | |
| 55 void AXMenuList::addChildren() | |
| 56 { | |
| 57 m_haveChildren = true; | |
| 58 | |
| 59 AXObjectCacheImpl* cache = toAXObjectCacheImpl(m_renderer->document().axObje
ctCache()); | |
| 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 | |
| 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 | |
| 85 bool AXMenuList::isCollapsed() const | |
| 86 { | |
| 87 return !toRenderMenuList(m_renderer)->popupIsVisible(); | |
| 88 } | |
| 89 | |
| 90 AccessibilityExpanded AXMenuList::isExpanded() const | |
| 91 { | |
| 92 if (isCollapsed()) | |
| 93 return ExpandedCollapsed; | |
| 94 | |
| 95 return ExpandedExpanded; | |
| 96 } | |
| 97 | |
| 98 bool AXMenuList::canSetFocusAttribute() const | |
| 99 { | |
| 100 if (!node()) | |
| 101 return false; | |
| 102 | |
| 103 return !toElement(node())->isDisabledFormControl(); | |
| 104 } | |
| 105 | |
| 106 void AXMenuList::didUpdateActiveOption(int optionIndex) | |
| 107 { | |
| 108 RefPtrWillBeRawPtr<Document> document(m_renderer->document()); | |
| 109 AXObjectCacheImpl* cache = toAXObjectCacheImpl(document->axObjectCache()); | |
| 110 | |
| 111 const AccessibilityChildrenVector& childObjects = children(); | |
| 112 if (!childObjects.isEmpty()) { | |
| 113 ASSERT(childObjects.size() == 1); | |
| 114 ASSERT(childObjects[0]->isMenuListPopup()); | |
| 115 | |
| 116 if (childObjects[0]->isMenuListPopup()) { | |
| 117 if (AXMenuListPopup* popup = toAXMenuListPopup(childObjects[0].get()
)) | |
| 118 popup->didUpdateActiveOption(optionIndex); | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 cache->postNotification(this, document.get(), AXObjectCacheImpl::AXMenuListV
alueChanged, true); | |
| 123 } | |
| 124 | |
| 125 } // namespace blink | |
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