/*

 * 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 "AccessibilityImageMapLink.h"

#include "AXObjectCache.h"

#include "AccessibilityRenderObject.h"

#include "Document.h"

#include "HTMLNames.h"

#include "IntRect.h"

#include "RenderObject.h"

using namespace std;

namespace WebCore {

using namespace HTMLNames;

AccessibilityImageMapLink::AccessibilityImageMapLink()

    : m_areaElement(0), 

      m_mapElement(0)

{

}

AccessibilityImageMapLink::~AccessibilityImageMapLink()

{

}    

PassRefPtr<AccessibilityImageMapLink> AccessibilityImageMapLink::create()

{

    return adoptRef(new AccessibilityImageMapLink());

}

AccessibilityObject* AccessibilityImageMapLink::parentObject() const

{

    if (m_parent)

        return m_parent;

    if (!m_mapElement || !m_mapElement->renderer())

        return 0;

    return m_mapElement->document()->axObjectCache()->getOrCreate(m_mapElement->renderer());

}

AccessibilityRole AccessibilityImageMapLink::roleValue() const

{

    if (!m_areaElement)

        return WebCoreLinkRole;

    const AtomicString& ariaRole = getAttribute(roleAttr);

    if (!ariaRole.isEmpty())

        return AccessibilityObject::ariaRoleToWebCoreRole(ariaRole);

    return WebCoreLinkRole;

}

Element* AccessibilityImageMapLink::actionElement() const

{

    return anchorElement();

}

Element* AccessibilityImageMapLink::anchorElement() const

{

    return m_areaElement;

}

KURL AccessibilityImageMapLink::url() const

{

    if (!m_areaElement)

        return KURL();

    return m_areaElement->href();

}

String AccessibilityImageMapLink::accessibilityDescription() 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 AccessibilityImageMapLink::title() const

{

    const AtomicString& title = getAttribute(titleAttr);

    if (!title.isEmpty())

        return title;

    const AtomicString& summary = getAttribute(summaryAttr);

    if (!summary.isEmpty())

        return summary;

    return String();

}

IntRect AccessibilityImageMapLink::elementRect() const

{

    if (!m_mapElement || !m_areaElement)

        return IntRect();

    RenderObject* renderer;

    if (m_parent && m_parent->isAccessibilityRenderObject())

        renderer = static_cast<AccessibilityRenderObject*>(m_parent)->renderer();

    else

        renderer = m_mapElement->renderer();

    if (!renderer)

        return IntRect();

    return m_areaElement->getRect(renderer);

}

IntSize AccessibilityImageMapLink::size() const

{

    return elementRect().size();

}

String AccessibilityImageMapLink::stringValueForMSAA() const

{

    return url();

}

String AccessibilityImageMapLink::nameForMSAA() const

{

    return accessibilityDescription();

}

} // namespace WebCore