New API to test table headers at specified index.

content/shell/renderer/test_runner/web_ax_object_proxy.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/renderer/test_runner/web_ax_object_proxy.h"
 
 #include "base/strings/stringprintf.h"
 #include "gin/handle.h"
 #include "third_party/WebKit/public/platform/WebPoint.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
@@ skipping 500 matching lines @@
       .SetProperty("isClickable", &WebAXObjectProxy::IsClickable)
       .SetProperty("isButtonStateMixed", &WebAXObjectProxy::IsButtonStateMixed)
       .SetMethod("allAttributes", &WebAXObjectProxy::AllAttributes)
       .SetMethod("attributesOfChildren",
                  &WebAXObjectProxy::AttributesOfChildren)
       .SetMethod("lineForIndex", &WebAXObjectProxy::LineForIndex)
       .SetMethod("boundsForRange", &WebAXObjectProxy::BoundsForRange)
       .SetMethod("childAtIndex", &WebAXObjectProxy::ChildAtIndex)
       .SetMethod("elementAtPoint", &WebAXObjectProxy::ElementAtPoint)
       .SetMethod("tableHeader", &WebAXObjectProxy::TableHeader)
+      .SetMethod("rowHeaderAtIndex", &WebAXObjectProxy::RowHeaderAtIndex)
+      .SetMethod("columnHeaderAtIndex", &WebAXObjectProxy::ColumnHeaderAtIndex)
       .SetMethod("rowIndexRange", &WebAXObjectProxy::RowIndexRange)
       .SetMethod("columnIndexRange", &WebAXObjectProxy::ColumnIndexRange)
       .SetMethod("cellForColumnAndRow", &WebAXObjectProxy::CellForColumnAndRow)
       .SetMethod("titleUIElement", &WebAXObjectProxy::TitleUIElement)
       .SetMethod("setSelectedTextRange",
                  &WebAXObjectProxy::SetSelectedTextRange)
       .SetMethod("isAttributeSettable", &WebAXObjectProxy::IsAttributeSettable)
       .SetMethod("isPressActionSupported",
                  &WebAXObjectProxy::IsPressActionSupported)
       .SetMethod("isIncrementActionSupported",
@@ skipping 352 matching lines @@
 
 v8::Handle<v8::Object> WebAXObjectProxy::TableHeader() {
   accessibility_object_.updateLayoutAndCheckValidity();
   blink::WebAXObject obj = accessibility_object_.headerContainerObject();
   if (obj.isNull())
     return v8::Handle<v8::Object>();
 
   return factory_->GetOrCreate(obj);
 }
 
+v8::Handle<v8::Object> WebAXObjectProxy::RowHeaderAtIndex(unsigned index) {
+  accessibility_object_.updateLayoutAndCheckValidity();
+  blink::WebVector<blink::WebAXObject> headers;
+  accessibility_object_.rowHeaders(headers);
+  size_t headerCount = headers.size();
+  if (index >= headerCount)
+    return v8::Handle<v8::Object>();
+
+  return factory_->GetOrCreate(headers[index]);
+}
+
+v8::Handle<v8::Object> WebAXObjectProxy::ColumnHeaderAtIndex(unsigned index) {
+  accessibility_object_.updateLayoutAndCheckValidity();
+  blink::WebVector<blink::WebAXObject> headers;
+  accessibility_object_.columnHeaders(headers);
+  size_t headerCount = headers.size();
+  if (index >= headerCount)
+    return v8::Handle<v8::Object>();
+
+  return factory_->GetOrCreate(headers[index]);
+}
+
 std::string WebAXObjectProxy::RowIndexRange() {
   accessibility_object_.updateLayoutAndCheckValidity();
   unsigned row_index = accessibility_object_.cellRowIndex();
   unsigned row_span = accessibility_object_.cellRowSpan();
   return base::StringPrintf("{%d, %d}", row_index, row_span);
 }
 
 std::string WebAXObjectProxy::ColumnIndexRange() {
   accessibility_object_.updateLayoutAndCheckValidity();
   unsigned column_index = accessibility_object_.cellColumnIndex();
@@ skipping 210 matching lines @@
   v8::Handle<v8::Value> value_handle = gin::CreateHandle(
       isolate, new RootWebAXObjectProxy(object, this)).ToV8();
   if (value_handle.IsEmpty())
     return v8::Handle<v8::Object>();
   v8::Handle<v8::Object> handle = value_handle->ToObject(isolate);
   elements_.Append(handle);
   return handle;
 }
 
 }  // namespace content