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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 "config.h"
#include "modules/accessibility/AXImageMapLink.h"
#include "modules/accessibility/AXLayoutObject.h"
#include "modules/accessibility/AXObjectCacheImpl.h"
namespace blink {
using namespace HTMLNames;
AXImageMapLink::AXImageMapLink(AXObjectCacheImpl& axObjectCache)
: AXMockObject(axObjectCache)
, m_areaElement(nullptr)
, m_mapElement(nullptr)
{
}
AXImageMapLink::~AXImageMapLink()
{
ASSERT(!m_areaElement);
ASSERT(!m_mapElement);
}
void AXImageMapLink::detach()
{
AXMockObject::detach();
m_areaElement = nullptr;
m_mapElement = nullptr;
}
void AXImageMapLink::detachFromParent()
{
AXMockObject::detachFromParent();
m_areaElement = nullptr;
m_mapElement = nullptr;
}
AXImageMapLink* AXImageMapLink::create(AXObjectCacheImpl& axObjectCache)
{
return new AXImageMapLink(axObjectCache);
}
AXObject* AXImageMapLink::computeParent() const
{
if (m_parent)
return m_parent;
if (!m_mapElement.get() || !m_mapElement->layoutObject())
return 0;
return axObjectCache().getOrCreate(m_mapElement->layoutObject());
}
AccessibilityRole AXImageMapLink::roleValue() const
{
if (!m_areaElement)
return LinkRole;
const AtomicString& ariaRole = getAttribute(roleAttr);
if (!ariaRole.isEmpty())
return AXObject::ariaRoleToWebCoreRole(ariaRole);
return LinkRole;
}
Element* AXImageMapLink::actionElement() const
{
return anchorElement();
}
Element* AXImageMapLink::anchorElement() const
{
return m_areaElement.get();
}
KURL AXImageMapLink::url() const
{
if (!m_areaElement.get())
return KURL();
return m_areaElement->href();
}
String AXImageMapLink::deprecatedAccessibilityDescription() const
{
const AtomicString& ariaLabel = getAttribute(aria_labelAttr);
if (!ariaLabel.isEmpty())
return ariaLabel;
const AtomicString& alt = getAttribute(altAttr);
if (!alt.isEmpty())
return alt;
return String();
}
String AXImageMapLink::deprecatedTitle(TextUnderElementMode mode) const
{
const AtomicString& title = getAttribute(titleAttr);
if (!title.isEmpty())
return title;
const AtomicString& summary = getAttribute(summaryAttr);
if (!summary.isEmpty())
return summary;
return String();
}
LayoutRect AXImageMapLink::elementRect() const
{
if (!m_mapElement.get() || !m_areaElement.get())
return LayoutRect();
LayoutObject* layoutObject;
if (m_parent && m_parent->isAXLayoutObject())
layoutObject = toAXLayoutObject(m_parent)->layoutObject();
else
layoutObject = m_mapElement->layoutObject();
if (!layoutObject)
return LayoutRect();
return m_areaElement->computeRect(layoutObject);
}
DEFINE_TRACE(AXImageMapLink)
{
visitor->trace(m_areaElement);
visitor->trace(m_mapElement);
AXMockObject::trace(visitor);
}
} // namespace blink
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