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| 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 "core/accessibility/AXImageMapLink.h" | |
| 31 | |
| 32 #include "core/accessibility/AXObjectCacheImpl.h" | |
| 33 #include "core/accessibility/AXRenderObject.h" | |
| 34 | |
| 35 namespace blink { | |
| 36 | |
| 37 using namespace HTMLNames; | |
| 38 | |
| 39 AXImageMapLink::AXImageMapLink() | |
| 40 : m_areaElement(nullptr) | |
| 41 , m_mapElement(nullptr) | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 AXImageMapLink::~AXImageMapLink() | |
| 46 { | |
| 47 } | |
| 48 | |
| 49 void AXImageMapLink::detachFromParent() | |
| 50 { | |
| 51 AXMockObject::detachFromParent(); | |
| 52 m_areaElement = nullptr; | |
| 53 m_mapElement = nullptr; | |
| 54 } | |
| 55 | |
| 56 PassRefPtr<AXImageMapLink> AXImageMapLink::create() | |
| 57 { | |
| 58 return adoptRef(new AXImageMapLink()); | |
| 59 } | |
| 60 | |
| 61 AXObject* AXImageMapLink::computeParent() const | |
| 62 { | |
| 63 if (m_parent) | |
| 64 return m_parent; | |
| 65 | |
| 66 if (!m_mapElement.get() || !m_mapElement->renderer()) | |
| 67 return 0; | |
| 68 | |
| 69 return toAXObjectCacheImpl(m_mapElement->document().axObjectCache())->getOrC
reate(m_mapElement->renderer()); | |
| 70 } | |
| 71 | |
| 72 AccessibilityRole AXImageMapLink::roleValue() const | |
| 73 { | |
| 74 if (!m_areaElement) | |
| 75 return LinkRole; | |
| 76 | |
| 77 const AtomicString& ariaRole = getAttribute(roleAttr); | |
| 78 if (!ariaRole.isEmpty()) | |
| 79 return AXObject::ariaRoleToWebCoreRole(ariaRole); | |
| 80 | |
| 81 return LinkRole; | |
| 82 } | |
| 83 | |
| 84 Element* AXImageMapLink::actionElement() const | |
| 85 { | |
| 86 return anchorElement(); | |
| 87 } | |
| 88 | |
| 89 Element* AXImageMapLink::anchorElement() const | |
| 90 { | |
| 91 return m_areaElement.get(); | |
| 92 } | |
| 93 | |
| 94 KURL AXImageMapLink::url() const | |
| 95 { | |
| 96 if (!m_areaElement.get()) | |
| 97 return KURL(); | |
| 98 | |
| 99 return m_areaElement->href(); | |
| 100 } | |
| 101 | |
| 102 String AXImageMapLink::accessibilityDescription() const | |
| 103 { | |
| 104 const AtomicString& ariaLabel = getAttribute(aria_labelAttr); | |
| 105 if (!ariaLabel.isEmpty()) | |
| 106 return ariaLabel; | |
| 107 const AtomicString& alt = getAttribute(altAttr); | |
| 108 if (!alt.isEmpty()) | |
| 109 return alt; | |
| 110 | |
| 111 return String(); | |
| 112 } | |
| 113 | |
| 114 String AXImageMapLink::title() const | |
| 115 { | |
| 116 const AtomicString& title = getAttribute(titleAttr); | |
| 117 if (!title.isEmpty()) | |
| 118 return title; | |
| 119 const AtomicString& summary = getAttribute(summaryAttr); | |
| 120 if (!summary.isEmpty()) | |
| 121 return summary; | |
| 122 | |
| 123 return String(); | |
| 124 } | |
| 125 | |
| 126 LayoutRect AXImageMapLink::elementRect() const | |
| 127 { | |
| 128 if (!m_mapElement.get() || !m_areaElement.get()) | |
| 129 return LayoutRect(); | |
| 130 | |
| 131 RenderObject* renderer; | |
| 132 if (m_parent && m_parent->isAXRenderObject()) | |
| 133 renderer = toAXRenderObject(m_parent)->renderer(); | |
| 134 else | |
| 135 renderer = m_mapElement->renderer(); | |
| 136 | |
| 137 if (!renderer) | |
| 138 return LayoutRect(); | |
| 139 | |
| 140 return m_areaElement->computeRect(renderer); | |
| 141 } | |
| 142 | |
| 143 } // namespace blink | |
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