ARIA 1.1: implementation for aria-col-* and aria-row-*.

third_party/WebKit/Source/modules/accessibility/AXTableCell.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/accessibility/AXTableCell.h"
 
 #include "core/layout/LayoutTableCell.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
+#include "modules/accessibility/AXTableRow.h"
 
 
 namespace blink {
 
 using namespace HTMLNames;
 
 AXTableCell::AXTableCell(LayoutObject* layoutObject, AXObjectCacheImpl& axObjectCache)
     : AXLayoutObject(layoutObject, axObjectCache)
+    , m_ariaColIndexFromRow(0)
 {
 }
 
 AXTableCell::~AXTableCell()
 {
 }
 
 AXTableCell* AXTableCell::create(LayoutObject* layoutObject, AXObjectCacheImpl& axObjectCache)
 {
     return new AXTableCell(layoutObject, axObjectCache);
@@ skipping 49 matching lines @@
 
 bool AXTableCell::isTableCell() const
 {
     AXObject* parent = parentObjectUnignored();
     if (!parent || !parent->isTableRow())
         return false;
 
     return true;
 }
 
+unsigned AXTableCell::ariaColumnIndex() const
+{
+    const AtomicString& colIndex = getAttribute(aria_colindexAttr);
+    if (colIndex.toInt() >= 1)
+        return colIndex.toInt();
+
+    AXObject* parent = parentObjectUnignored();
+    if (!parent || !parent->isTableRow())
+        return 0;
+
+    return m_ariaColIndexFromRow;
+}
+
+unsigned AXTableCell::ariaRowIndex() const
+{
+    const AtomicString& rowIndex = getAttribute(aria_rowindexAttr);
+    if (rowIndex.toInt() >= 1)
+        return rowIndex.toInt();
+
+    AXObject* parent = parentObjectUnignored();
+    if (!parent || !parent->isTableRow())
+        return 0;
+
+    return toAXTableRow(parent)->ariaRowIndex();
+}
+
 static AccessibilityRole decideRoleFromSibling(LayoutTableCell* siblingCell)
 {
     if (!siblingCell)
         return CellRole;
 
     if (Node* siblingNode = siblingCell->node()) {
         if (siblingNode->hasTagName(thTag))
             return ColumnHeaderRole;
         if (siblingNode->hasTagName(tdTag))
             return RowHeaderRole;
@@ skipping 91 matching lines @@
     if (equalIgnoringCase(ariaSort, "ascending"))
         return SortDirectionAscending;
     if (equalIgnoringCase(ariaSort, "descending"))
         return SortDirectionDescending;
     if (equalIgnoringCase(ariaSort, "other"))
         return SortDirectionOther;
     return SortDirectionUndefined;
 }
 
 } // namespace blink