/*

 * 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.

 */

#ifndef AccessibilityTableColumn_h

#define AccessibilityTableColumn_h

#include "AccessibilityObject.h"

#include "AccessibilityTable.h"

#include "IntRect.h"

namespace WebCore {

class RenderTableSection;

class AccessibilityTableColumn : public AccessibilityObject {

private:

    AccessibilityTableColumn();

public:

    static PassRefPtr<AccessibilityTableColumn> create();

    virtual ~AccessibilityTableColumn();

    void setParentTable(AccessibilityTable*);

    virtual AccessibilityObject* parentObject() const { return m_parentTable; }

    AccessibilityObject* headerObject();

    virtual bool accessibilityIsIgnored() const;

    virtual AccessibilityRole roleValue() const { return ColumnRole; }

    virtual bool isTableColumn() const { return true; }

    void setColumnIndex(int columnIndex) { m_columnIndex = columnIndex; }

    int columnIndex() const { return m_columnIndex; }    

    virtual const AccessibilityChildrenVector& children();

    virtual void addChildren();

    virtual IntSize size() const;

    virtual IntRect elementRect() const;

private:    

    AccessibilityTable* m_parentTable;

    int m_columnIndex;

    IntRect m_columnRect;

    AccessibilityObject* headerObjectForSection(RenderTableSection*, bool thTagRequired);

};

} // namespace WebCore 

#endif // AccessibilityTableColumn_h