1 /* 2 * Copyright (C) 2008 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "AccessibilityImageMapLink.h" 31 32 #include "AXObjectCache.h" 33 #include "AccessibilityRenderObject.h" 34 #include "Document.h" 35 #include "HTMLNames.h" 36 #include "RenderBoxModelObject.h" 37 38 namespace WebCore { 39 40 using namespace HTMLNames; 41 42 AccessibilityImageMapLink::AccessibilityImageMapLink() 43 : m_areaElement(0) 44 , m_mapElement(0) 45 , m_parent(0) 46 { 47 } 48 49 AccessibilityImageMapLink::~AccessibilityImageMapLink() 50 { 51 } 52 53 PassRefPtr<AccessibilityImageMapLink> AccessibilityImageMapLink::create() 54 { 55 return adoptRef(new AccessibilityImageMapLink()); 56 } 57 58 AccessibilityObject* AccessibilityImageMapLink::parentObject() const 59 { 60 if (m_parent) 61 return m_parent; 62 63 if (!m_mapElement.get() || !m_mapElement->renderer()) 64 return 0; 65 66 return m_mapElement->document()->axObjectCache()->getOrCreate(m_mapElement->renderer()); 67 } 68 69 AccessibilityRole AccessibilityImageMapLink::roleValue() const 70 { 71 if (!m_areaElement) 72 return WebCoreLinkRole; 73 74 const AtomicString& ariaRole = getAttribute(roleAttr); 75 if (!ariaRole.isEmpty()) 76 return AccessibilityObject::ariaRoleToWebCoreRole(ariaRole); 77 78 return WebCoreLinkRole; 79 } 80 81 Element* AccessibilityImageMapLink::actionElement() const 82 { 83 return anchorElement(); 84 } 85 86 Element* AccessibilityImageMapLink::anchorElement() const 87 { 88 return m_areaElement.get(); 89 } 90 91 KURL AccessibilityImageMapLink::url() const 92 { 93 if (!m_areaElement.get()) 94 return KURL(); 95 96 return m_areaElement->href(); 97 } 98 99 String AccessibilityImageMapLink::accessibilityDescription() const 100 { 101 const AtomicString& ariaLabel = getAttribute(aria_labelAttr); 102 if (!ariaLabel.isEmpty()) 103 return ariaLabel; 104 const AtomicString& alt = getAttribute(altAttr); 105 if (!alt.isEmpty()) 106 return alt; 107 108 return String(); 109 } 110 111 String AccessibilityImageMapLink::title() const 112 { 113 const AtomicString& title = getAttribute(titleAttr); 114 if (!title.isEmpty()) 115 return title; 116 const AtomicString& summary = getAttribute(summaryAttr); 117 if (!summary.isEmpty()) 118 return summary; 119 120 return String(); 121 } 122 123 IntRect AccessibilityImageMapLink::elementRect() const 124 { 125 if (!m_mapElement.get() || !m_areaElement.get()) 126 return IntRect(); 127 128 RenderObject* renderer; 129 if (m_parent && m_parent->isAccessibilityRenderObject()) 130 renderer = static_cast<AccessibilityRenderObject*>(m_parent)->renderer(); 131 else 132 renderer = m_mapElement->renderer(); 133 134 if (!renderer) 135 return IntRect(); 136 137 return m_areaElement->computeRect(renderer); 138 } 139 140 String AccessibilityImageMapLink::stringValueForMSAA() const 141 { 142 return url(); 143 } 144 145 String AccessibilityImageMapLink::nameForMSAA() const 146 { 147 return accessibilityDescription(); 148 } 149 150 } // namespace WebCore 151