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| 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 #include "config.h" | |
| 30 #include "core/accessibility/AXTableRow.h" | |
| 31 | |
| 32 #include "core/accessibility/AXTableCell.h" | |
| 33 #include "core/rendering/RenderTableRow.h" | |
| 34 | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 using namespace HTMLNames; | |
| 39 | |
| 40 AXTableRow::AXTableRow(RenderObject* renderer) | |
| 41 : AXRenderObject(renderer) | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 AXTableRow::~AXTableRow() | |
| 46 { | |
| 47 } | |
| 48 | |
| 49 PassRefPtr<AXTableRow> AXTableRow::create(RenderObject* renderer) | |
| 50 { | |
| 51 return adoptRef(new AXTableRow(renderer)); | |
| 52 } | |
| 53 | |
| 54 AccessibilityRole AXTableRow::determineAccessibilityRole() | |
| 55 { | |
| 56 if (!isTableRow()) | |
| 57 return AXRenderObject::determineAccessibilityRole(); | |
| 58 | |
| 59 m_ariaRole = determineAriaRoleAttribute(); | |
| 60 | |
| 61 AccessibilityRole ariaRole = ariaRoleAttribute(); | |
| 62 if (ariaRole != UnknownRole) | |
| 63 return ariaRole; | |
| 64 | |
| 65 return RowRole; | |
| 66 } | |
| 67 | |
| 68 bool AXTableRow::isTableRow() const | |
| 69 { | |
| 70 AXObject* table = parentTable(); | |
| 71 if (!table || !table->isAXTable()) | |
| 72 return false; | |
| 73 | |
| 74 return true; | |
| 75 } | |
| 76 | |
| 77 AXObject* AXTableRow::observableObject() const | |
| 78 { | |
| 79 // This allows the table to be the one who sends notifications about tables. | |
| 80 return parentTable(); | |
| 81 } | |
| 82 | |
| 83 bool AXTableRow::computeAccessibilityIsIgnored() const | |
| 84 { | |
| 85 AXObjectInclusion decision = defaultObjectInclusion(); | |
| 86 if (decision == IncludeObject) | |
| 87 return false; | |
| 88 if (decision == IgnoreObject) | |
| 89 return true; | |
| 90 | |
| 91 if (!isTableRow()) | |
| 92 return AXRenderObject::computeAccessibilityIsIgnored(); | |
| 93 | |
| 94 return false; | |
| 95 } | |
| 96 | |
| 97 AXObject* AXTableRow::parentTable() const | |
| 98 { | |
| 99 AXObject* parent = parentObjectUnignored(); | |
| 100 if (!parent || !parent->isAXTable()) | |
| 101 return 0; | |
| 102 | |
| 103 return parent; | |
| 104 } | |
| 105 | |
| 106 AXObject* AXTableRow::headerObject() | |
| 107 { | |
| 108 if (!m_renderer || !m_renderer->isTableRow()) | |
| 109 return 0; | |
| 110 | |
| 111 AccessibilityChildrenVector rowChildren = children(); | |
| 112 if (!rowChildren.size()) | |
| 113 return 0; | |
| 114 | |
| 115 // check the first element in the row to see if it is a TH element | |
| 116 AXObject* cell = rowChildren[0].get(); | |
| 117 if (!cell->isTableCell()) | |
| 118 return 0; | |
| 119 | |
| 120 RenderObject* cellRenderer = toAXTableCell(cell)->renderer(); | |
| 121 if (!cellRenderer) | |
| 122 return 0; | |
| 123 | |
| 124 Node* cellNode = cellRenderer->node(); | |
| 125 if (!cellNode || !cellNode->hasTagName(thTag)) | |
| 126 return 0; | |
| 127 | |
| 128 return cell; | |
| 129 } | |
| 130 | |
| 131 } // namespace blink | |
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Chromium Code Reviews
Issue 713933002:
Create Source/modules/accessibility/ and move most of core/accessibility/* into it (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master