1/* 2 * Copyright (C) 2011 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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#import "config.h" 27#import "WKAccessibilityWebPageObjectBase.h" 28 29#import "WebFrame.h" 30#import "WebPage.h" 31#import "WKArray.h" 32#import "WKNumber.h" 33#import "WKRetainPtr.h" 34#import "WKSharedAPICast.h" 35#import "WKString.h" 36#import "WKStringCF.h" 37#import <WebCore/AXObjectCache.h> 38#import <WebCore/Document.h> 39#import <WebCore/FrameView.h> 40#import <WebCore/MainFrame.h> 41#import <WebCore/Page.h> 42#import <WebCore/ScrollView.h> 43#import <WebCore/Scrollbar.h> 44#import <WebKitSystemInterface.h> 45#import <wtf/ObjcRuntimeExtras.h> 46 47using namespace WebCore; 48using namespace WebKit; 49 50@implementation WKAccessibilityWebPageObjectBase 51 52- (id)accessibilityRootObjectWrapper 53{ 54 if (!WebCore::AXObjectCache::accessibilityEnabled()) 55 WebCore::AXObjectCache::enableAccessibility(); 56 57 NSObject* mainFramePluginAccessibilityObjectWrapper = m_page->accessibilityObjectForMainFramePlugin(); 58 if (mainFramePluginAccessibilityObjectWrapper) 59 return mainFramePluginAccessibilityObjectWrapper; 60 61 WebCore::Page* page = m_page->corePage(); 62 if (!page) 63 return nil; 64 65 WebCore::Frame& core = page->mainFrame(); 66 if (!core.document()) 67 return nil; 68 69 WebCore::AXObjectCache* cache = core.document()->axObjectCache(); 70 if (!cache) 71 return nil; 72 73 if (AccessibilityObject* root = cache->rootObject()) 74 return root->wrapper(); 75 76 return nil; 77} 78 79- (void)setWebPage:(WebPage*)page 80{ 81 m_page = page; 82} 83 84- (void)setRemoteParent:(id)parent 85{ 86 if (parent != m_parent) { 87 [m_parent release]; 88 m_parent = [parent retain]; 89 } 90} 91 92- (id)accessibilityFocusedUIElement 93{ 94 return [[self accessibilityRootObjectWrapper] accessibilityFocusedUIElement]; 95} 96 97 98@end 99