/*

 * 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 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 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. 

 */

#include "config.h"

#include "AccessibilityMenuList.h"

#include "AXObjectCache.h"

#include "AccessibilityMenuListPopup.h"

#include "RenderMenuList.h"

namespace WebCore {

AccessibilityMenuList::AccessibilityMenuList(RenderObject* renderer)

    : AccessibilityRenderObject(renderer)

{

    ASSERT_ARG(renderer, renderer->isMenuList());

}

bool AccessibilityMenuList::press() const

{

    RenderMenuList* menuList = static_cast<RenderMenuList*>(m_renderer);

    if (menuList->popupIsVisible())

        menuList->hidePopup();

    else

        menuList->showPopup();

    return true;

}

void AccessibilityMenuList::addChildren()

{

    m_haveChildren = true;

    AXObjectCache* cache = m_renderer->document()->axObjectCache();

    AccessibilityObject* list = cache->getOrCreate(MenuListPopupRole);

    if (!list)

        return;

    if (list->accessibilityPlatformIncludesObject() == IgnoreObject) {

        cache->remove(list->axObjectID());

        return;

    }

    static_cast<AccessibilityMenuListPopup*>(list)->setMenuList(this);

    m_children.append(list);

    list->addChildren();

}

void AccessibilityMenuList::childrenChanged()

{

    if (m_children.isEmpty())

        return;

    ASSERT(m_children.size() == 1);

    m_children[0]->childrenChanged();

}

bool AccessibilityMenuList::isCollapsed() const

{

    return !static_cast<RenderMenuList*>(m_renderer)->popupIsVisible();

}

} // namespace WebCore