1/*
2 * Copyright (C) 2009 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 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 AccessibilityARIAGrid_h
30#define AccessibilityARIAGrid_h
31
32#include "AccessibilityTable.h"
33#include <wtf/Forward.h>
34
35namespace WebCore {
36
37class AccessibilityTableCell;
38class AccessibilityTableHeaderContainer;
39
40class AccessibilityARIAGrid : public AccessibilityTable {
41
42private:
43    explicit AccessibilityARIAGrid(RenderObject*);
44public:
45    static PassRefPtr<AccessibilityARIAGrid> create(RenderObject*);
46    virtual ~AccessibilityARIAGrid();
47
48    virtual bool isAriaTable() const override { return true; }
49
50    virtual void addChildren() override;
51
52private:
53    // ARIA treegrids and grids support selected rows.
54    virtual bool supportsSelectedRows() override { return true; }
55    virtual bool isMultiSelectable() const override { return true; }
56    virtual bool isTableExposableThroughAccessibility() const override { return true; }
57
58    void addRowDescendant(AccessibilityObject*, HashSet<AccessibilityObject*>& appendedRows, unsigned& columnCount);
59    bool addTableCellChild(AccessibilityObject*, HashSet<AccessibilityObject*>& appendedRows, unsigned& columnCount);
60};
61
62} // namespace WebCore
63
64#endif // AccessibilityARIAGrid_h
65