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
AccessibilityImageMapLink()42 AccessibilityImageMapLink::AccessibilityImageMapLink()
43 : m_areaElement(0)
44 , m_mapElement(0)
45 , m_parent(0)
46 {
47 }
48
~AccessibilityImageMapLink()49 AccessibilityImageMapLink::~AccessibilityImageMapLink()
50 {
51 }
52
create()53 PassRefPtr<AccessibilityImageMapLink> AccessibilityImageMapLink::create()
54 {
55 return adoptRef(new AccessibilityImageMapLink());
56 }
57
parentObject() const58 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
roleValue() const69 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
actionElement() const81 Element* AccessibilityImageMapLink::actionElement() const
82 {
83 return anchorElement();
84 }
85
anchorElement() const86 Element* AccessibilityImageMapLink::anchorElement() const
87 {
88 return m_areaElement.get();
89 }
90
url() const91 KURL AccessibilityImageMapLink::url() const
92 {
93 if (!m_areaElement.get())
94 return KURL();
95
96 return m_areaElement->href();
97 }
98
accessibilityDescription() const99 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
title() const111 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
elementRect() const123 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
stringValueForMSAA() const140 String AccessibilityImageMapLink::stringValueForMSAA() const
141 {
142 return url();
143 }
144
nameForMSAA() const145 String AccessibilityImageMapLink::nameForMSAA() const
146 {
147 return accessibilityDescription();
148 }
149
150 } // namespace WebCore
151