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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 Computer, 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 "modules/accessibility/AXImageMapLink.h"
#include "core/dom/ElementTraversal.h"
#include "modules/accessibility/AXLayoutObject.h"
#include "modules/accessibility/AXObjectCacheImpl.h"
namespace blink {
using namespace HTMLNames;
AXImageMapLink::AXImageMapLink(HTMLAreaElement* area, AXObjectCacheImpl& axObjectCache)
: AXNodeObject(area, axObjectCache)
{
}
AXImageMapLink::~AXImageMapLink()
{
}
AXImageMapLink* AXImageMapLink::create(HTMLAreaElement* area, AXObjectCacheImpl& axObjectCache)
{
return new AXImageMapLink(area, axObjectCache);
}
HTMLMapElement* AXImageMapLink::mapElement() const
{
HTMLAreaElement* area = areaElement();
if (!area)
return nullptr;
return Traversal<HTMLMapElement>::firstAncestor(*area);
}
AXObject* AXImageMapLink::computeParent() const
{
ASSERT(!isDetached());
if (m_parent)
return m_parent;
if (!mapElement())
return nullptr;
return axObjectCache().getOrCreate(mapElement()->layoutObject());
}
AccessibilityRole AXImageMapLink::roleValue() const
{
const AtomicString& ariaRole = getAttribute(roleAttr);
if (!ariaRole.isEmpty())
return AXObject::ariaRoleToWebCoreRole(ariaRole);
return LinkRole;
}
bool AXImageMapLink::computeAccessibilityIsIgnored(IgnoredReasons* ignoredReasons) const
{
return accessibilityIsIgnoredByDefault(ignoredReasons);
}
Element* AXImageMapLink::actionElement() const
{
return anchorElement();
}
Element* AXImageMapLink::anchorElement() const
{
return node() ? toElement(node()) : nullptr;
}
KURL AXImageMapLink::url() const
{
if (!areaElement())
return KURL();
return areaElement()->href();
}
LayoutRect AXImageMapLink::elementRect() const
{
HTMLAreaElement* area = areaElement();
HTMLMapElement* map = mapElement();
if (!area || !map)
return LayoutRect();
LayoutObject* layoutObject;
if (m_parent && m_parent->isAXLayoutObject())
layoutObject = toAXLayoutObject(m_parent)->layoutObject();
else
layoutObject = map->layoutObject();
if (!layoutObject)
return LayoutRect();
return area->computeRect(layoutObject);
}
DEFINE_TRACE(AXImageMapLink)
{
AXNodeObject::trace(visitor);
}
} // namespace blink