Get WebKit r44544.

1 files changed, 162 insertions, 0 deletions

diff --git a/WebCore/accessibility/AccessibilityTableCell.cpp b/WebCore/accessibility/AccessibilityTableCell.cpp
new file mode 100644
index 0000000..4d7cf5a
--- /dev/null
+++ b/WebCore/accessibility/AccessibilityTableCell.cpp
@@ -0,0 +1,162 @@
+/*
+ * 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
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * 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 "config.h"
+#include "AccessibilityTableCell.h"
+
+#include "AXObjectCache.h"
+#include "HTMLNames.h"
+#include "RenderObject.h"
+#include "RenderTableCell.h"
+
+using namespace std;
+
+namespace WebCore {
+    
+using namespace HTMLNames;
+
+AccessibilityTableCell::AccessibilityTableCell(RenderObject* renderer)
+    : AccessibilityRenderObject(renderer)
+{
+}
+
+AccessibilityTableCell::~AccessibilityTableCell()
+{
+}
+
+PassRefPtr<AccessibilityTableCell> AccessibilityTableCell::create(RenderObject* renderer)
+{
+    return adoptRef(new AccessibilityTableCell(renderer));
+}
+
+bool AccessibilityTableCell::accessibilityIsIgnored() const
+{
+    if (!isTableCell())
+        return AccessibilityRenderObject::accessibilityIsIgnored();
+    
+    return false;
+}
+   
+AccessibilityObject* AccessibilityTableCell::parentTable() const
+{
+    if (!m_renderer || !m_renderer->isTableCell())
+        return false;
+    
+    return axObjectCache()->getOrCreate(static_cast<RenderTableCell*>(m_renderer)->table());
+}
+    
+bool AccessibilityTableCell::isTableCell() const
+{
+    AccessibilityObject* table = parentTable();
+    if (!table || !table->isDataTable())
+        return false;
+    
+    return true;
+}
+    
+AccessibilityRole AccessibilityTableCell::roleValue() const
+{
+    if (!isTableCell())
+        return AccessibilityRenderObject::roleValue();
+    
+    return CellRole;
+}
+    
+void AccessibilityTableCell::rowIndexRange(pair<int, int>& rowRange)
+{
+    if (!m_renderer || !m_renderer->isTableCell())
+        return;
+    
+    RenderTableCell* renderCell = static_cast<RenderTableCell*>(m_renderer);
+    rowRange.first = renderCell->row();
+    rowRange.second = renderCell->rowSpan();
+    
+    // since our table might have multiple sections, we have to offset our row appropriately
+    RenderTableSection* section = renderCell->section();
+    RenderTable* table = renderCell->table();
+    if (!table || !section)
+        return;
+    
+    RenderTableSection* tableSection = table->header();
+    if (!tableSection)
+        tableSection = table->firstBody();
+    
+    unsigned rowOffset = 0;
+    while (tableSection) {
+        if (tableSection == section)
+            break;
+        rowOffset += tableSection->numRows();
+        tableSection = table->sectionBelow(tableSection, true); 
+    }
+
+    rowRange.first += rowOffset;
+}
+    
+void AccessibilityTableCell::columnIndexRange(pair<int, int>& columnRange)
+{
+    if (!m_renderer || !m_renderer->isTableCell())
+        return;
+    
+    RenderTableCell* renderCell = static_cast<RenderTableCell*>(m_renderer);
+    columnRange.first = renderCell->col();
+    columnRange.second = renderCell->colSpan();    
+}
+    
+AccessibilityObject* AccessibilityTableCell::titleUIElement() const
+{
+    // Try to find if the first cell in this row is a <th>. If it is,
+    // then it can act as the title ui element. (This is only in the
+    // case when the table is not appearing as an AXTable.)
+    if (isTableCell() || !m_renderer || !m_renderer->isTableCell())
+        return 0;
+    
+    RenderTableCell* renderCell = static_cast<RenderTableCell*>(m_renderer);
+
+    // If this cell is in the first column, there is no need to continue.
+    int col = renderCell->col();
+    if (!col)
+        return 0;
+
+    int row = renderCell->row();
+
+    RenderTableSection* section = renderCell->section();
+    if (!section)
+        return 0;
+    
+    RenderTableCell* headerCell = section->cellAt(row, 0).cell;
+    if (!headerCell || headerCell == renderCell)
+        return 0;
+
+    Node* cellElement = headerCell->node();
+    if (!cellElement || !cellElement->hasTagName(thTag))
+        return 0;
+    
+    return axObjectCache()->getOrCreate(headerCell);
+}
+    
+} // namespace WebCore