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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 AccessibilityTable_h
     30 #define AccessibilityTable_h
     31 
     32 #include "AccessibilityRenderObject.h"
     33 #include <wtf/Forward.h>
     34 
     35 #if PLATFORM(MAC) && (defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD))
     36 #define ACCESSIBILITY_TABLES 0
     37 #else
     38 #define ACCESSIBILITY_TABLES 1
     39 #endif
     40 
     41 namespace WebCore {
     42 
     43 class AccessibilityTableCell;
     44 class AccessibilityTableHeaderContainer;
     45 
     46 class AccessibilityTable : public AccessibilityRenderObject {
     47 
     48 protected:
     49     AccessibilityTable(RenderObject*);
     50 public:
     51     static PassRefPtr<AccessibilityTable> create(RenderObject*);
     52     virtual ~AccessibilityTable();
     53 
     54     virtual bool isAccessibilityTable() const;
     55     virtual bool isDataTable() const;
     56 
     57     virtual AccessibilityRole roleValue() const;
     58     virtual bool isAriaTable() const { return false; }
     59 
     60     virtual bool accessibilityIsIgnored() const;
     61 
     62     virtual void addChildren();
     63     virtual void clearChildren();
     64 
     65     AccessibilityChildrenVector& columns();
     66     AccessibilityChildrenVector& rows();
     67 
     68     virtual bool supportsSelectedRows() { return false; }
     69     unsigned columnCount();
     70     unsigned rowCount();
     71 
     72     virtual String title() const;
     73 
     74     // all the cells in the table
     75     void cells(AccessibilityChildrenVector&);
     76     virtual AccessibilityTableCell* cellForColumnAndRow(unsigned column, unsigned row);
     77 
     78     void columnHeaders(AccessibilityChildrenVector&);
     79     void rowHeaders(AccessibilityChildrenVector&);
     80 
     81     // an object that contains, as children, all the objects that act as headers
     82     AccessibilityObject* headerContainer();
     83 
     84 protected:
     85     AccessibilityChildrenVector m_rows;
     86     AccessibilityChildrenVector m_columns;
     87 
     88     AccessibilityTableHeaderContainer* m_headerContainer;
     89     mutable bool m_isAccessibilityTable;
     90 
     91     bool hasARIARole() const;
     92     bool isTableExposableThroughAccessibility() const;
     93 };
     94 
     95 } // namespace WebCore
     96 
     97 #endif // AccessibilityTable_h
     98