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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/wm/public/drag_drop_client.h"
      6 
      7 #include "ui/aura/window.h"
      8 #include "ui/aura/window_property.h"
      9 
     10 DECLARE_WINDOW_PROPERTY_TYPE(aura::client::DragDropClient*)
     11 
     12 namespace aura {
     13 namespace client {
     14 
     15 DEFINE_LOCAL_WINDOW_PROPERTY_KEY(
     16     DragDropClient*, kRootWindowDragDropClientKey, NULL);
     17 
     18 void SetDragDropClient(Window* root_window, DragDropClient* client) {
     19   DCHECK_EQ(root_window->GetRootWindow(), root_window);
     20   root_window->SetProperty(kRootWindowDragDropClientKey, client);
     21 }
     22 
     23 DragDropClient* GetDragDropClient(Window* root_window) {
     24   if (root_window)
     25     DCHECK_EQ(root_window->GetRootWindow(), root_window);
     26   return root_window ?
     27       root_window->GetProperty(kRootWindowDragDropClientKey) : NULL;
     28 }
     29 
     30 }  // namespace client
     31 }  // namespace aura
     32