--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/accessibility/AccessibilityTableHeaderContainer.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,98 @@
+/*
+ * 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 "AccessibilityTableHeaderContainer.h"
+
+#include "AXObjectCache.h"
+#include "AccessibilityTable.h"
+
+using namespace std;
+
+namespace WebCore {
+
+AccessibilityTableHeaderContainer::AccessibilityTableHeaderContainer()
+    : m_parentTable(0)
+{
+}
+
+AccessibilityTableHeaderContainer::~AccessibilityTableHeaderContainer()
+{
+}
+
+PassRefPtr<AccessibilityTableHeaderContainer> AccessibilityTableHeaderContainer::create()
+{
+    return adoptRef(new AccessibilityTableHeaderContainer());
+}
+    
+const AccessibilityObject::AccessibilityChildrenVector& AccessibilityTableHeaderContainer::children()
+{
+    if (!m_haveChildren)
+        addChildren();
+    return m_children;
+}
+   
+IntRect AccessibilityTableHeaderContainer::elementRect() const
+{
+    // this will be filled in when addChildren is called
+    return m_headerRect;
+}
+    
+IntSize AccessibilityTableHeaderContainer::size() const
+{
+    return elementRect().size();
+}
+    
+bool AccessibilityTableHeaderContainer::accessibilityIsIgnored() const
+{
+    if (!m_parentTable)
+        return true;
+    
+#if PLATFORM(GTK)
+    return true;
+#endif
+
+    return m_parentTable->accessibilityIsIgnored();
+}
+
+void AccessibilityTableHeaderContainer::addChildren()
+{
+    ASSERT(!m_haveChildren); 
+    
+    m_haveChildren = true;
+    if (!m_parentTable || !m_parentTable->isDataTable())
+        return;
+    
+    static_cast<AccessibilityTable*>(m_parentTable)->columnHeaders(m_children);
+    
+    unsigned length = m_children.size();
+    for (unsigned k = 0; k < length; ++k)
+        m_headerRect.unite(m_children[k]->elementRect());
+}
+
+} // namespace WebCore