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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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