ui/aura/client/screen_position_client.cc

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