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30 #include "AccessibilityTableColumn.h"
32 #include "AXObjectCache.h"
33 #include "AccessibilityTableCell.h"
34 #include "HTMLNames.h"
35 #include "RenderTable.h"
36 #include "RenderTableCell.h"
37 #include "RenderTableSection.h"
43 using namespace HTMLNames;
45 AccessibilityTableColumn::AccessibilityTableColumn()
49 AccessibilityTableColumn::~AccessibilityTableColumn()
53 PassRefPtr<AccessibilityTableColumn> AccessibilityTableColumn::create()
55 return adoptRef(new AccessibilityTableColumn());
58 void AccessibilityTableColumn::setParent(AccessibilityObject* parent)
60 AccessibilityMockObject::setParent(parent);
65 LayoutRect AccessibilityTableColumn::elementRect() const
67 // this will be filled in when addChildren is called
71 AccessibilityObject* AccessibilityTableColumn::headerObject()
76 RenderObject* renderer = m_parent->renderer();
80 if (!m_parent->isAccessibilityTable())
83 AccessibilityTable* parentTable = toAccessibilityTable(m_parent);
84 if (parentTable->isAriaTable()) {
85 AccessibilityChildrenVector rowChildren = children();
86 unsigned childrenCount = rowChildren.size();
87 for (unsigned i = 0; i < childrenCount; ++i) {
88 AccessibilityObject* cell = rowChildren[i].get();
89 if (cell->ariaRoleAttribute() == ColumnHeaderRole)
96 if (!renderer->isTable())
99 RenderTable* table = toRenderTable(renderer);
101 AccessibilityObject* headerObject = 0;
103 // try the <thead> section first. this doesn't require th tags
104 headerObject = headerObjectForSection(table->header(), false);
109 // now try for <th> tags in the first body
110 headerObject = headerObjectForSection(table->firstBody(), true);
115 AccessibilityObject* AccessibilityTableColumn::headerObjectForSection(RenderTableSection* section, bool thTagRequired)
120 unsigned numCols = section->numColumns();
121 if (m_columnIndex >= numCols)
124 if (!section->numRows())
127 RenderTableCell* cell = 0;
128 // also account for cells that have a span
129 for (int testCol = m_columnIndex; testCol >= 0; --testCol) {
130 RenderTableCell* testCell = section->primaryCellAt(0, testCol);
134 // we've reached a cell that doesn't even overlap our column
135 // it can't be our header
136 if ((testCell->col() + (testCell->colSpan()-1)) < m_columnIndex)
139 Node* node = testCell->node();
143 if (thTagRequired && !node->hasTagName(thTag))
152 return axObjectCache()->getOrCreate(cell);
155 bool AccessibilityTableColumn::accessibilityIsIgnored() const
164 return m_parent->accessibilityIsIgnored();
167 void AccessibilityTableColumn::addChildren()
169 ASSERT(!m_haveChildren);
171 m_haveChildren = true;
172 if (!m_parent || !m_parent->isAccessibilityTable())
175 AccessibilityTable* parentTable = toAccessibilityTable(m_parent);
176 int numRows = parentTable->rowCount();
178 for (int i = 0; i < numRows; i++) {
179 AccessibilityTableCell* cell = parentTable->cellForColumnAndRow(m_columnIndex, i);
183 // make sure the last one isn't the same as this one (rowspan cells)
184 if (m_children.size() > 0 && m_children.last() == cell)
187 m_children.append(cell);
188 m_columnRect.unite(cell->elementRect());
192 } // namespace WebCore