File: screen_position_client.cc

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// 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/aura/client/screen_position_client.h"

#include "ui/aura/window_property.h"

DECLARE_WINDOW_PROPERTY_TYPE(aura::client::ScreenPositionClient*)

namespace aura {
namespace client {

DEFINE_LOCAL_WINDOW_PROPERTY_KEY(ScreenPositionClient*,
                                 kScreenPositionClientKey,
                                 NULL);

void SetScreenPositionClient(Window* root_window,
                             ScreenPositionClient* client) {
  DCHECK_EQ(root_window->GetRootWindow(), root_window);
  root_window->SetProperty(kScreenPositionClientKey, client);
}

ScreenPositionClient* GetScreenPositionClient(const Window* root_window) {
  if (root_window)
    DCHECK_EQ(root_window->GetRootWindow(), root_window);
  return root_window ?
      root_window->GetProperty(kScreenPositionClientKey) : NULL;
}

}  // namespace client
}  // namespace aura