Source/core/accessibility/AXTableCell.h

/*
 * 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
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef AXTableCell_h
#define AXTableCell_h

#include "core/accessibility/AXRenderObject.h"

namespace WebCore {

class AXTableCell : public AXRenderObject {

protected:
    explicit AXTableCell(RenderObject*);
public:
    static PassRefPtr<AXTableCell> create(RenderObject*);
    virtual ~AXTableCell();

    virtual bool isTableCell() const OVERRIDE;

    // fills in the start location and row span of cell
    virtual void rowIndexRange(pair<unsigned, unsigned>& rowRange);
    // fills in the start location and column span of cell
    virtual void columnIndexRange(pair<unsigned, unsigned>& columnRange);

protected:
    virtual AXObject* parentTable() const;
    int m_rowIndex;
    virtual AccessibilityRole determineAccessibilityRole() OVERRIDE;

private:
    // If a table cell is not exposed as a table cell, a TH element can serve as its title UI element.
    virtual AXObject* titleUIElement() const OVERRIDE;
    virtual bool exposesTitleUIElement() const OVERRIDE { return true; }
    virtual bool computeAccessibilityIsIgnored() const OVERRIDE;
};

DEFINE_AX_OBJECT_TYPE_CASTS(AXTableCell, isTableCell());

} // namespace WebCore

#endif // AXTableCell_h