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 34 namespace WebCore { 35 36 bool 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 51 AccessibilityObjectInclusion 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