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
41namespace WebCore {
42
43class AccessibilityTableCell;
44class AccessibilityTableHeaderContainer;
45
46class AccessibilityTable : public AccessibilityRenderObject {
47
48protected:
49    AccessibilityTable(RenderObject*);
50public:
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
84protected:
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