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      1 /*
      2  * Copyright (C) 2008 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef AccessibilityTableColumn_h
     30 #define AccessibilityTableColumn_h
     31 
     32 #include "AccessibilityObject.h"
     33 #include "AccessibilityTable.h"
     34 #include "IntRect.h"
     35 
     36 namespace WebCore {
     37 
     38 class RenderTableSection;
     39 
     40 class AccessibilityTableColumn : public AccessibilityObject {
     41 
     42 private:
     43     AccessibilityTableColumn();
     44 public:
     45     static PassRefPtr<AccessibilityTableColumn> create();
     46     virtual ~AccessibilityTableColumn();
     47 
     48     void setParentTable(AccessibilityTable*);
     49     virtual AccessibilityObject* parentObject() const { return m_parentTable; }
     50     AccessibilityObject* headerObject();
     51 
     52     virtual bool accessibilityIsIgnored() const;
     53     virtual AccessibilityRole roleValue() const { return ColumnRole; }
     54     virtual bool isTableColumn() const { return true; }
     55 
     56     void setColumnIndex(int columnIndex) { m_columnIndex = columnIndex; }
     57     int columnIndex() const { return m_columnIndex; }
     58 
     59     virtual const AccessibilityChildrenVector& children();
     60     virtual void addChildren();
     61 
     62     virtual IntSize size() const;
     63     virtual IntRect elementRect() const;
     64 
     65 private:
     66     AccessibilityTable* m_parentTable;
     67     int m_columnIndex;
     68     IntRect m_columnRect;
     69 
     70     AccessibilityObject* headerObjectForSection(RenderTableSection*, bool thTagRequired);
     71 };
     72 
     73 } // namespace WebCore
     74 
     75 #endif // AccessibilityTableColumn_h
     76