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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "AXObjectCache.h"
#if HAVE(ACCESSIBILITY) && PLATFORM(IOS)
#import "AccessibilityObject.h"
#import "WebAccessibilityObjectWrapperIOS.h"
#import "RenderObject.h"
#import <wtf/PassRefPtr.h>
#import <wtf/RetainPtr.h>
namespace WebCore {
void AXObjectCache::detachWrapper(AccessibilityObject* obj)
{
[obj->wrapper() detach];
obj->setWrapper(0);
}
void AXObjectCache::attachWrapper(AccessibilityObject* obj)
{
RetainPtr<AccessibilityObjectWrapper> wrapper = adoptNS([[WebAccessibilityObjectWrapper alloc] initWithAccessibilityObject:obj]);
obj->setWrapper(wrapper.get());
}
void AXObjectCache::postPlatformNotification(AccessibilityObject* obj, AXNotification notification)
{
if (!obj)
return;
NSString *notificationString = nil;
switch (notification) {
case AXActiveDescendantChanged:
case AXFocusedUIElementChanged:
[obj->wrapper() postFocusChangeNotification];
notificationString = @"AXFocusChanged";
break;
case AXSelectedTextChanged:
[obj->wrapper() postSelectedTextChangeNotification];
break;
case AXLayoutComplete:
[obj->wrapper() postLayoutChangeNotification];
break;
case AXLiveRegionChanged:
[obj->wrapper() postLiveRegionChangeNotification];
break;
case AXChildrenChanged:
[obj->wrapper() postChildrenChangedNotification];
break;
case AXLoadComplete:
[obj->wrapper() postLoadCompleteNotification];
break;
case AXInvalidStatusChanged:
[obj->wrapper() postInvalidStatusChangedNotification];
break;
case AXSelectedChildrenChanged:
case AXValueChanged:
case AXCheckedStateChanged:
default:
break;
}
// Used by DRT to know when notifications are posted.
[obj->wrapper() accessibilityPostedNotification:notificationString];
}
void AXObjectCache::nodeTextChangePlatformNotification(AccessibilityObject*, AXTextChange, unsigned, const String&)
{
}
void AXObjectCache::frameLoadingEventPlatformNotification(AccessibilityObject*, AXLoadingEvent)
{
}
void AXObjectCache::handleFocusedUIElementChanged(Node*, Node* newNode)
{
postNotification(newNode, AXFocusedUIElementChanged, true, PostAsynchronously);
}
void AXObjectCache::handleScrolledToAnchor(const Node*)
{
}
}
#endif // HAVE(ACCESSIBILITY) && PLATFORM(IOS)
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