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 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 AccessibilityTableCell_h 30#define AccessibilityTableCell_h 31 32#include "AccessibilityRenderObject.h" 33 34namespace WebCore { 35 36class AccessibilityTable; 37 38class AccessibilityTableCell : public AccessibilityRenderObject { 39 40protected: 41 explicit AccessibilityTableCell(RenderObject*); 42public: 43 static PassRefPtr<AccessibilityTableCell> create(RenderObject*); 44 virtual ~AccessibilityTableCell(); 45 46 virtual bool isTableCell() const override; 47 bool isTableHeaderCell() const; 48 49 // fills in the start location and row span of cell 50 virtual void rowIndexRange(std::pair<unsigned, unsigned>& rowRange); 51 // fills in the start location and column span of cell 52 virtual void columnIndexRange(std::pair<unsigned, unsigned>& columnRange); 53 54 void columnHeaders(AccessibilityChildrenVector&); 55 void rowHeaders(AccessibilityChildrenVector&); 56 57protected: 58 virtual AccessibilityTable* parentTable() const; 59 int m_rowIndex; 60 virtual AccessibilityRole determineAccessibilityRole() override; 61 62private: 63 // If a table cell is not exposed as a table cell, a TH element can serve as its title UI element. 64 virtual AccessibilityObject* titleUIElement() const override; 65 virtual bool exposesTitleUIElement() const override { return true; } 66 virtual bool computeAccessibilityIsIgnored() const override; 67 virtual String expandedTextValue() const; 68 virtual bool supportsExpandedTextValue() const; 69 70 bool isTableCellInSameRowGroup(AccessibilityTableCell*); 71 bool isTableCellInSameColGroup(AccessibilityTableCell*); 72}; 73 74ACCESSIBILITY_OBJECT_TYPE_CASTS(AccessibilityTableCell, isTableCell()) 75 76} // namespace WebCore 77 78#endif // AccessibilityTableCell_h 79