1 /*
2 * Copyright (C) 2009 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "AccessibleImage.h"
28
29 #include <WebCore/AccessibilityRenderObject.h>
30 #include <WebCore/HTMLNames.h>
31
32 using namespace WebCore;
33 using namespace WebCore::HTMLNames;
34
AccessibleImage(AccessibilityObject * obj)35 AccessibleImage::AccessibleImage(AccessibilityObject* obj)
36 : AccessibleBase(obj)
37 {
38 ASSERT_ARG(obj, obj->isImage());
39 ASSERT_ARG(obj, obj->isAccessibilityRenderObject());
40 }
41
name() const42 String AccessibleImage::name() const
43 {
44 if (!m_object->isAccessibilityRenderObject())
45 return AccessibleBase::name();
46
47 AccessibilityRenderObject* obj = static_cast<AccessibilityRenderObject*>(m_object);
48
49 String ariaLabel = obj->ariaLabeledByAttribute();
50 if (!ariaLabel.isEmpty())
51 return ariaLabel;
52
53 const AtomicString& altText = obj->getAttribute(HTMLNames::altAttr);
54 if (!altText.isEmpty())
55 return altText;
56
57 return AccessibleBase::name();
58 }
59