ash/root_window_settings.h

   1 // Copyright 2013 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 #ifndef ASH_ROOT_WINDOW_SETTINGS_H_
   6 #define ASH_ROOT_WINDOW_SETTINGS_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/basictypes.h"
  10
  11 namespace aura {
  12 class Window;
  13 }
  14
  15 namespace ash {
  16 namespace internal {
  17
  18 class RootWindowController;
  19
  20 // Per root window information should be stored here
  21 // instead of using plain aura root window property because
  22 // it can prevent mis-using on non root window.
  23 struct RootWindowSettings {
  24   RootWindowSettings();
  25
  26   // ID of the display associated with the root window.
  27   int64 display_id;
  28
  29   // RootWindowController for the root window. This may be NULL
  30   // for the root window used for mirroring.
  31   RootWindowController* controller;
  32 };
  33
  34 // Initializes and returns RootWindowSettings for |root|.
  35 // It is owned by the |root|.
  36 RootWindowSettings* InitRootWindowSettings(aura::Window* root);
  37
  38 // Returns the RootWindowSettings for |root|.
  39 ASH_EXPORT RootWindowSettings* GetRootWindowSettings(aura::Window* root);
  40
  41 // const version of GetRootWindowSettings.
  42 ASH_EXPORT const RootWindowSettings*
  43 GetRootWindowSettings(const aura::Window* root);
  44
  45 }  // namespace internal
  46 }  // namespace ash
  47
  48 #endif  // ASH_ROOT_WINDOW_SETTINGS_H_