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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 * 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 COMPUTER, 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 COMPUTER, 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#import "config.h"
27#import "AccessibilityObject.h"
28
29#if HAVE(ACCESSIBILITY)
30
31#import "AccessibilityObjectWrapper.h"
32#import "Widget.h"
33
34namespace WebCore {
35
36bool AccessibilityObject::accessibilityIgnoreAttachment() const
37{
38    // FrameView attachments are now handled by AccessibilityScrollView,
39    // so if this is the attachment, it should be ignored.
40    Widget* widget = 0;
41    if (isAttachment() && (widget = widgetForAttachmentView()) && widget->isFrameView())
42        return true;
43
44    if ([wrapper() attachmentView])
45        return [[wrapper() attachmentView] accessibilityIsIgnored];
46
47    // Attachments are ignored by default (unless we determine that we should expose them).
48    return true;
49}
50
51AccessibilityObjectInclusion AccessibilityObject::accessibilityPlatformIncludesObject() const
52{
53    if (isMenuListPopup() || isMenuListOption())
54        return IgnoreObject;
55
56    // Never expose an unknown object on the Mac. Clients of the AX API will not know what to do with it.
57    // Special case is when the unknown object is actually an attachment.
58    if (roleValue() == UnknownRole && !isAttachment())
59        return IgnoreObject;
60
61    return DefaultBehavior;
62}
63
64} // WebCore
65
66#endif // HAVE(ACCESSIBILITY)
67