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 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
38namespace WebCore {
39
40using namespace HTMLNames;
41
42AccessibilityImageMapLink::AccessibilityImageMapLink()
43 : m_areaElement(nullptr)
44 , m_mapElement(nullptr)
45{
46}
47
48AccessibilityImageMapLink::~AccessibilityImageMapLink() = default;
49
50Ref<AccessibilityImageMapLink> AccessibilityImageMapLink::create()
51{
52 return adoptRef(*new AccessibilityImageMapLink());
53}
54
55AccessibilityObject* AccessibilityImageMapLink::parentObject() const
56{
57 if (m_parent)
58 return m_parent;
59
60 if (!m_mapElement.get() || !m_mapElement->renderer())
61 return nullptr;
62
63 return m_mapElement->document().axObjectCache()->getOrCreate(m_mapElement->renderer());
64}
65
66AccessibilityRole AccessibilityImageMapLink::roleValue() const
67{
68 if (!m_areaElement)
69 return AccessibilityRole::WebCoreLink;
70
71 const AtomicString& ariaRole = getAttribute(roleAttr);
72 if (!ariaRole.isEmpty())
73 return AccessibilityObject::ariaRoleToWebCoreRole(ariaRole);
74
75 return AccessibilityRole::WebCoreLink;
76}
77
78Element* AccessibilityImageMapLink::actionElement() const
79{
80 return anchorElement();
81}
82
83Element* AccessibilityImageMapLink::anchorElement() const
84{
85 return m_areaElement.get();
86}
87
88URL AccessibilityImageMapLink::url() const
89{
90 if (!m_areaElement.get())
91 return URL();
92
93 return m_areaElement->href();
94}
95
96void AccessibilityImageMapLink::accessibilityText(Vector<AccessibilityText>& textOrder) const
97{
98 String description = accessibilityDescription();
99 if (!description.isEmpty())
100 textOrder.append(AccessibilityText(description, AccessibilityTextSource::Alternative));
101
102 const AtomicString& titleText = getAttribute(titleAttr);
103 if (!titleText.isEmpty())
104 textOrder.append(AccessibilityText(titleText, AccessibilityTextSource::TitleTag));
105
106 const AtomicString& summary = getAttribute(summaryAttr);
107 if (!summary.isEmpty())
108 textOrder.append(AccessibilityText(summary, AccessibilityTextSource::Summary));
109}
110
111String AccessibilityImageMapLink::accessibilityDescription() const
112{
113 const AtomicString& ariaLabel = getAttribute(aria_labelAttr);
114 if (!ariaLabel.isEmpty())
115 return ariaLabel;
116 const AtomicString& alt = getAttribute(altAttr);
117 if (!alt.isEmpty())
118 return alt;
119
120 return String();
121}
122
123String AccessibilityImageMapLink::title() const
124{
125 const AtomicString& title = getAttribute(titleAttr);
126 if (!title.isEmpty())
127 return title;
128 const AtomicString& summary = getAttribute(summaryAttr);
129 if (!summary.isEmpty())
130 return summary;
131
132 return String();
133}
134
135RenderElement* AccessibilityImageMapLink::imageMapLinkRenderer() const
136{
137 if (!m_mapElement || !m_areaElement)
138 return nullptr;
139
140 RenderElement* renderer = nullptr;
141 if (is<AccessibilityRenderObject>(m_parent))
142 renderer = downcast<RenderElement>(downcast<AccessibilityRenderObject>(*m_parent).renderer());
143 else
144 renderer = m_mapElement->renderer();
145
146 return renderer;
147}
148
149void AccessibilityImageMapLink::detachFromParent()
150{
151 AccessibilityMockObject::detachFromParent();
152 m_areaElement = nullptr;
153 m_mapElement = nullptr;
154}
155
156Path AccessibilityImageMapLink::elementPath() const
157{
158 auto renderer = imageMapLinkRenderer();
159 if (!renderer)
160 return Path();
161
162 return m_areaElement->computePath(renderer);
163}
164
165LayoutRect AccessibilityImageMapLink::elementRect() const
166{
167 auto renderer = imageMapLinkRenderer();
168 if (!renderer)
169 return LayoutRect();
170
171 return m_areaElement->computeRect(renderer);
172}
173
174String AccessibilityImageMapLink::stringValueForMSAA() const
175{
176 return url();
177}
178
179String AccessibilityImageMapLink::nameForMSAA() const
180{
181 return accessibilityDescription();
182}
183
184} // namespace WebCore
185