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 AccessibilityTable_h 30#define AccessibilityTable_h 31 32#include "AccessibilityRenderObject.h" 33#include <wtf/Forward.h> 34 35namespace WebCore { 36 37class AccessibilityTableCell; 38class HTMLTableElement; 39class RenderTableSection; 40 41class AccessibilityTable : public AccessibilityRenderObject { 42 43protected: 44 explicit AccessibilityTable(RenderObject*); 45public: 46 static PassRefPtr<AccessibilityTable> create(RenderObject*); 47 virtual ~AccessibilityTable(); 48 49 virtual void init() override; 50 51 virtual AccessibilityRole roleValue() const override; 52 virtual bool isAriaTable() const { return false; } 53 54 virtual void addChildren() override; 55 virtual void clearChildren() override; 56 57 const AccessibilityChildrenVector& columns(); 58 const AccessibilityChildrenVector& rows(); 59 60 virtual bool supportsSelectedRows() { return false; } 61 unsigned columnCount(); 62 unsigned rowCount(); 63 virtual int tableLevel() const override; 64 65 virtual String title() const override; 66 67 // all the cells in the table 68 void cells(AccessibilityChildrenVector&); 69 AccessibilityTableCell* cellForColumnAndRow(unsigned column, unsigned row); 70 71 void columnHeaders(AccessibilityChildrenVector&); 72 void rowHeaders(AccessibilityChildrenVector&); 73 void visibleRows(AccessibilityChildrenVector&); 74 75 // an object that contains, as children, all the objects that act as headers 76 AccessibilityObject* headerContainer(); 77 78protected: 79 AccessibilityChildrenVector m_rows; 80 AccessibilityChildrenVector m_columns; 81 82 RefPtr<AccessibilityObject> m_headerContainer; 83 bool m_isAccessibilityTable; 84 85 bool hasARIARole() const; 86 87 // isTable is whether it's an AccessibilityTable object. 88 virtual bool isTable() const override { return true; } 89 // isAccessibilityTable is whether it is exposed as an AccessibilityTable to the platform. 90 virtual bool isAccessibilityTable() const override; 91 // isDataTable is whether it is exposed as an AccessibilityTable because the heuristic 92 // think this "looks" like a data-based table (instead of a table used for layout). 93 virtual bool isDataTable() const override; 94 95 virtual bool isTableExposableThroughAccessibility() const; 96 virtual bool computeAccessibilityIsIgnored() const override; 97 98private: 99 virtual void titleElementText(Vector<AccessibilityText>&) const override; 100 HTMLTableElement* tableElement() const; 101 void addChildrenFromSection(RenderTableSection*, unsigned& maxColumnCount); 102}; 103 104ACCESSIBILITY_OBJECT_TYPE_CASTS(AccessibilityTable, isTable()) 105 106} // namespace WebCore 107 108#endif // AccessibilityTable_h 109