src/ui/display/types/chromeos/native_display_observer.h

   1 // Copyright 2014 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 UI_DISPLAY_TYPES_CHROMEOS_NATIVE_DISPLAY_OBSERVER_H_
   6 #define UI_DISPLAY_TYPES_CHROMEOS_NATIVE_DISPLAY_OBSERVER_H_
   7
   8 #include "ui/display/types/display_types_export.h"
   9
  10 namespace ui {
  11
  12 // Observer class used by NativeDisplayDelegate to announce when the display
  13 // configuration changes.
  14 class DISPLAY_TYPES_EXPORT NativeDisplayObserver {
  15  public:
  16   virtual ~NativeDisplayObserver() {}
  17
  18   virtual void OnConfigurationChanged() = 0;
  19 };
  20
  21 }  //  namespace ui
  22
  23 #endif  // UI_DISPLAY_TYPES_CHROMEOS_NATIVE_DISPLAY_OBSERVER_H_