Reorder the NativeViews attached to a view via kViewHostKey according to the position of the view

ui/views/widget/native_widget_aura.cc

 // Copyright (c) 2012 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 "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 12 matching lines @@
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/events/event.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/screen.h"
 #include "ui/native_theme/native_theme_aura.h"
 #include "ui/views/drag_utils.h"
 #include "ui/views/ime/input_method_bridge.h"
+#include "ui/views/view_constants_aura.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 #include "ui/views/widget/drop_helper.h"
 #include "ui/views/widget/native_widget_aura_window_observer.h"
 #include "ui/views/widget/native_widget_delegate.h"
+#include "ui/views/widget/native_widget_layer_reorderer_aura.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/tooltip_manager_aura.h"
 #include "ui/views/widget/widget_aura_utils.h"
 #include "ui/views/widget/widget_delegate.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_gdi_object.h"
 #include "base/win/win_util.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/views/widget/desktop_aura/desktop_root_window_host_win.h"
@@ skipping 117 matching lines @@
       params.type != Widget::InitParams::TYPE_POPUP) {
     aura::client::SetDragDropDelegate(window_, this);
   }
 
   aura::client::SetActivationDelegate(window_, this);
 
   window_->SetProperty(aura::client::kCanMaximizeKey,
                        GetWidget()->widget_delegate()->CanMaximize());
   window_->SetProperty(aura::client::kCanResizeKey,
                        GetWidget()->widget_delegate()->CanResize());
+
+  layer_reorderer_.reset(new NativeWidgetLayerReordererAura(window_,
+      GetWidget()->GetRootView()));
 }
 
 NonClientFrameView* NativeWidgetAura::CreateNonClientFrameView() {
   return NULL;
 }
 
 bool NativeWidgetAura::ShouldUseNativeFrame() const {
   // There is only one frame type for aura.
   return false;
 }
@@ skipping 31 matching lines @@
 }
 
 ui::Compositor* NativeWidgetAura::GetCompositor() {
   return window_->layer()->GetCompositor();
 }
 
 ui::Layer* NativeWidgetAura::GetLayer() {
   return window_->layer();
 }
 
+void NativeWidgetAura::ReorderLayersForAttachedNativeViews() {
+  layer_reorderer_->ReorderChildWindowLayers();
+}
+
 void NativeWidgetAura::ViewRemoved(View* view) {
   DCHECK(drop_helper_.get() != NULL);
   drop_helper_->ResetTargetViewIfEquals(view);
 }
 
 void NativeWidgetAura::SetNativeWindowProperty(const char* name, void* value) {
   if (window_)
     window_->SetNativeWindowProperty(name, value);
 }
 
@@ skipping 796 matching lines @@
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views