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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "ui/aura/client/focus_client.h"
      6 
      7 #include "ui/aura/root_window.h"
      8 #include "ui/aura/window_property.h"
      9 
     10 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, aura::Window*)
     11 DECLARE_WINDOW_PROPERTY_TYPE(aura::client::FocusClient*)
     12 
     13 namespace aura {
     14 namespace client {
     15 
     16 DEFINE_WINDOW_PROPERTY_KEY(FocusClient*, kRootWindowFocusClientKey, NULL);
     17 
     18 void SetFocusClient(RootWindow* root_window, FocusClient* client) {
     19   root_window->SetProperty(kRootWindowFocusClientKey, client);
     20 }
     21 
     22 FocusClient* GetFocusClient(Window* window) {
     23   return GetFocusClient(static_cast<const Window*>(window));
     24 }
     25 
     26 FocusClient* GetFocusClient(const Window* window) {
     27   const RootWindow* root_window = window->GetRootWindow();
     28   return root_window ?
     29       root_window->GetProperty(kRootWindowFocusClientKey) : NULL;
     30 }
     31 
     32 }  // namespace client
     33 }  // namespace aura
     34