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/AXObjectCache.h"
33 #include "core/accessibility/AXRenderObject.h"
34
35 namespace blink {
36
37 using namespace HTMLNames;
38
AXImageMapLink()39 AXImageMapLink::AXImageMapLink()
40 : m_areaElement(nullptr)
41 , m_mapElement(nullptr)
42 {
43 }
44
~AXImageMapLink()45 AXImageMapLink::~AXImageMapLink()
46 {
47 }
48
detachFromParent()49 void AXImageMapLink::detachFromParent()
50 {
51 AXMockObject::detachFromParent();
52 m_areaElement = nullptr;
53 m_mapElement = nullptr;
54 }
55
create()56 PassRefPtr<AXImageMapLink> AXImageMapLink::create()
57 {
58 return adoptRef(new AXImageMapLink());
59 }
60
parentObject() const61 AXObject* AXImageMapLink::parentObject() 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 m_mapElement->document().axObjectCache()->getOrCreate(m_mapElement->renderer());
70 }
71
roleValue() const72 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
actionElement() const84 Element* AXImageMapLink::actionElement() const
85 {
86 return anchorElement();
87 }
88
anchorElement() const89 Element* AXImageMapLink::anchorElement() const
90 {
91 return m_areaElement.get();
92 }
93
url() const94 KURL AXImageMapLink::url() const
95 {
96 if (!m_areaElement.get())
97 return KURL();
98
99 return m_areaElement->href();
100 }
101
accessibilityDescription() const102 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
title() const114 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
elementRect() const126 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
144