/*

 * 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 "AccessibilityTableHeaderContainer.h"

#include "AXObjectCache.h"

#include "AccessibilityTable.h"

using namespace std;

namespace WebCore {

AccessibilityTableHeaderContainer::AccessibilityTableHeaderContainer()

    : m_parentTable(0)

{

}

AccessibilityTableHeaderContainer::~AccessibilityTableHeaderContainer()

{

}

PassRefPtr<AccessibilityTableHeaderContainer> AccessibilityTableHeaderContainer::create()

{

    return adoptRef(new AccessibilityTableHeaderContainer());

}

const AccessibilityObject::AccessibilityChildrenVector& AccessibilityTableHeaderContainer::children()

{

    if (!m_haveChildren)

        addChildren();

    return m_children;

}

IntRect AccessibilityTableHeaderContainer::elementRect() const

{

    // this will be filled in when addChildren is called

    return m_headerRect;

}

IntSize AccessibilityTableHeaderContainer::size() const

{

    return elementRect().size();

}

bool AccessibilityTableHeaderContainer::accessibilityIsIgnored() const

{

    if (!m_parentTable)

        return true;

#if PLATFORM(GTK)

    return true;

#endif

    return m_parentTable->accessibilityIsIgnored();

}

void AccessibilityTableHeaderContainer::addChildren()

{

    ASSERT(!m_haveChildren); 

    m_haveChildren = true;

    if (!m_parentTable || !m_parentTable->isDataTable())

        return;

    static_cast<AccessibilityTable*>(m_parentTable)->columnHeaders(m_children);

    unsigned length = m_children.size();

    for (unsigned k = 0; k < length; ++k)

        m_headerRect.unite(m_children[k]->elementRect());

}

} // namespace WebCore