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 "AccessibilityMenuList.h" 28 29#include "AXObjectCache.h" 30#include "AccessibilityMenuListPopup.h" 31#include "RenderMenuList.h" 32 33namespace WebCore { 34 35AccessibilityMenuList::AccessibilityMenuList(RenderMenuList* renderer) 36 : AccessibilityRenderObject(renderer) 37{ 38} 39 40PassRefPtr<AccessibilityMenuList> AccessibilityMenuList::create(RenderMenuList* renderer) 41{ 42 return adoptRef(new AccessibilityMenuList(renderer)); 43} 44 45bool AccessibilityMenuList::press() const 46{ 47 RenderMenuList* menuList = static_cast<RenderMenuList*>(m_renderer); 48 if (menuList->popupIsVisible()) 49 menuList->hidePopup(); 50 else 51 menuList->showPopup(); 52 return true; 53} 54 55void AccessibilityMenuList::addChildren() 56{ 57 m_haveChildren = true; 58 59 AXObjectCache* cache = m_renderer->document()->axObjectCache(); 60 61 AccessibilityObject* list = cache->getOrCreate(MenuListPopupRole); 62 if (!list) 63 return; 64 65 static_cast<AccessibilityMockObject*>(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 76void AccessibilityMenuList::childrenChanged() 77{ 78 if (m_children.isEmpty()) 79 return; 80 81 ASSERT(m_children.size() == 1); 82 m_children[0]->childrenChanged(); 83} 84 85bool AccessibilityMenuList::isCollapsed() const 86{ 87 return !static_cast<RenderMenuList*>(m_renderer)->popupIsVisible(); 88} 89 90bool AccessibilityMenuList::canSetFocusAttribute() const 91{ 92 if (!node()) 93 return false; 94 95 return !toElement(node())->isDisabledFormControl(); 96} 97 98void AccessibilityMenuList::didUpdateActiveOption(int optionIndex) 99{ 100 RefPtr<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 (AccessibilityMenuListPopup* popup = static_cast<AccessibilityMenuListPopup*>(childObjects[0].get())) 110 popup->didUpdateActiveOption(optionIndex); 111 } 112 } 113 114 cache->postNotification(this, document.get(), AXObjectCache::AXMenuListValueChanged, true, PostSynchronously); 115} 116 117} // namespace WebCore 118