Extend AXTreeSourceViews to handle aura::Window and views::Widget.

ui/views/accessibility/ax_window_obj_wrapper.cc

Index: ui/views/accessibility/ax_window_obj_wrapper.cc
diff --git a/ui/views/accessibility/ax_window_obj_wrapper.cc b/ui/views/accessibility/ax_window_obj_wrapper.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ef363fc183f823739b8c90e17521f2eb101bddc5
--- /dev/null
+++ b/ui/views/accessibility/ax_window_obj_wrapper.cc
@@ -0,0 +1,45 @@
+// 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 "ui/views/accessibility/ax_window_obj_wrapper.h"
+
+#include "ui/accessibility/ax_node_data.h"
+#include "ui/aura/window.h"
+#include "ui/views/accessibility/ax_obj_cache.h"
+#include "ui/views/widget/widget.h"
+
+namespace views {
+
+AXNodeSourceObjWrapper* AXWindowObjWrapper::GetParent() {
+  if (!window_->parent())
+    return NULL;
+
+  return AXObjCache::GetInstance()->GetOrCreate(window_->parent());
+}
+
+void AXWindowObjWrapper::GetChildren(
+    std::vector<AXNodeSourceObjWrapper*>* out_children) {
+  aura::Window::Windows children = window_->children();
+  for (size_t i = 0; i < children.size(); ++i) {
+    out_children->push_back(
+        AXObjCache::GetInstance()->GetOrCreate(children[i]));
+  }
+
+  // Also consider any associated widgets as children.
+  Widget* widget = Widget::GetWidgetForNativeView(window_);
+  if (widget)
+    out_children->push_back(AXObjCache::GetInstance()->GetOrCreate(widget));
+}
+
+void AXWindowObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
+  out_node_data->id = AXObjCache::GetInstance()->GetID(window_);
+  out_node_data->role = ui::AX_ROLE_WINDOW;
+  out_node_data->location = window_->bounds();
+
+  // TODO(dtseng): Window also has title.

[dmazzoni, 2014/04/23 05:06:44]

Hmmm, I think one of the two is just an internal name for debugging. You
probably just want the title passed through as AX_ATTR_NAME.

[David Tseng, 2014/04/23 18:20:01]

Done.

+  out_node_data->AddStringAttribute(
+      ui::AX_ATTR_NAME, window_->name());
+}
+
+}  // namespace views