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_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;
isAriaTable()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 
supportsSelectedRows()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