/*

 * Copyright (C) 2009 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 "AccessibilityARIAGridCell.h"

#include "AccessibilityObject.h"

#include "AccessibilityTableRow.h"

using namespace std;

namespace WebCore {

AccessibilityARIAGridCell::AccessibilityARIAGridCell(RenderObject* renderer)

    : AccessibilityTableCell(renderer)

{

}

AccessibilityARIAGridCell::~AccessibilityARIAGridCell()

{

}

PassRefPtr<AccessibilityARIAGridCell> AccessibilityARIAGridCell::create(RenderObject* renderer)

{

    return adoptRef(new AccessibilityARIAGridCell(renderer));

}

AccessibilityObject* AccessibilityARIAGridCell::parentTable() const

{

    AccessibilityObject* parent = parentObjectUnignored();

    if (!parent || !parent->isTableRow())

        return 0;

    parent = parent->parentObjectUnignored();

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

        return 0;

    return parent;

}

void AccessibilityARIAGridCell::rowIndexRange(pair<int, int>& rowRange)

{

    AccessibilityObject* parent = parentObjectUnignored();

    if (!parent || !parent->isTableRow())

        return;

    // as far as I can tell, grid cells cannot span rows

    rowRange.first = static_cast<AccessibilityTableRow*>(parent)->rowIndex();

    rowRange.second = 1;    

}

void AccessibilityARIAGridCell::columnIndexRange(pair<int, int>& columnRange)

{

    AccessibilityObject* parent = parentObjectUnignored();

    if (!parent || !parent->isTableRow())

        return;

    AccessibilityChildrenVector siblings = parent->children();

    unsigned childrenSize = siblings.size();

    for (unsigned k = 0; k < childrenSize; ++k) {

        if (siblings[k].get() == this) {

            columnRange.first = k;

            break;

        }

    }

    // as far as I can tell, grid cells cannot span columns

    columnRange.second = 1;    

}

} // namespace WebCore