Implements Aura:: NativeWidgetPrivate::ReparentNativeView

ui/views/widget/native_widget_aura.cc

 // Copyright (c) 2011 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/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/drag_drop_client.h"
@@ skipping 753 matching lines @@
     NativeWidgetAura* native_widget =
         static_cast<NativeWidgetAura*>(GetNativeWidgetForNativeView(*i));
     if (native_widget)
       children->insert(native_widget->GetWidget());
   }
 }
 
 // static
 void NativeWidgetPrivate::ReparentNativeView(gfx::NativeView native_view,
                                              gfx::NativeView new_parent) {
-  // http://crbug.com/102576
-  NOTIMPLEMENTED();
+  DCHECK(native_view != new_parent);
+
+  gfx::NativeView previous_parent = native_view->parent();
+  if (previous_parent == new_parent)
+    return;
+
+  Widget::Widgets widgets;
+  GetAllChildWidgets(native_view, &widgets);
+
+  // First notify all the widgets that they are being disassociated
+  // from their previous parent.
+  for (Widget::Widgets::iterator it = widgets.begin();
+      it != widgets.end(); ++it) {
+    (*it)->NotifyNativeViewHierarchyChanged(false, previous_parent);
+  }
+
+  native_view->SetParent(new_parent);
+
+  // And now, notify them that they have a brand new parent.
+  for (Widget::Widgets::iterator it = widgets.begin();
+      it != widgets.end(); ++it) {
+    (*it)->NotifyNativeViewHierarchyChanged(true, new_parent);
+  }
 }
 
 // static
 bool NativeWidgetPrivate::IsMouseButtonDown() {
   return aura::Desktop::GetInstance()->IsMouseButtonDown();
 }
 
 }  // namespace internal
 }  // namespace views