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/*
* Copyright (C) 2008 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
*/
#include "config.h"
#include "AXListHelpers.h"
#include "AXObjectCacheInlines.h"
#include "AXUtilities.h"
#include "AccessibilityObjectInlines.h"
#include "AccessibilityRenderObject.h"
#include "ContainerNodeInlines.h"
#include "FrameDestructionObserverInlines.h"
#include "HTMLElement.h"
#include "HTMLNames.h"
#include "PseudoElement.h"
namespace WebCore {
using namespace HTMLNames;
bool AXListHelpers::isAccessibilityList(Element& element)
{
if (hasAnyRole(element, { "list"_s, "directory"_s }))
return true;
// Call it a list if it has no ARIA role and a list tag.
auto name = element.elementName();
return hasRole(element, nullAtom()) && (name == ElementName::HTML_ul || name == ElementName::HTML_ol || name == ElementName::HTML_dl || name == ElementName::HTML_menu);
}
bool AXListHelpers::childHasPseudoVisibleListItemMarkers(const Node& node)
{
// Check if the list item has a pseudo-element that should be accessible (e.g. an image or text)
RefPtr element = dynamicDowncast<Element>(node);
RefPtr beforePseudo = element ? element->beforePseudoElement() : nullptr;
if (!beforePseudo)
return false;
CheckedPtr cache = element->protectedDocument()->axObjectCache();
RefPtr axBeforePseudo = cache ? cache->getOrCreate(*beforePseudo) : nullptr;
if (!axBeforePseudo)
return false;
if (!axBeforePseudo->isIgnored())
return true;
for (const auto& child : axBeforePseudo->unignoredChildren()) {
if (!child->isIgnored())
return true;
}
// Platforms which expose rendered text content through the parent element will treat
// those renderers as "ignored" objects.
#if USE(ATSPI)
String text = axBeforePseudo->textUnderElement();
return !text.isEmpty() && !text.containsOnly<isASCIIWhitespace>();
#else
return false;
#endif
}
} // namespace WebCore
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