ash/system/user/update_observer.h

   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 #ifndef ASH_SYSTEM_USER_UPDATE_OBSERVER_H_
   6 #define ASH_SYSTEM_USER_UPDATE_OBSERVER_H_
   7
   8 #include "ash/ash_export.h"
   9
  10 namespace ash {
  11
  12 class ASH_EXPORT UpdateObserver {
  13  public:
  14   enum UpdateSeverity {
  15     UPDATE_NORMAL,
  16     UPDATE_LOW_GREEN,
  17     UPDATE_HIGH_ORANGE,
  18     UPDATE_SEVERE_RED,
  19   };
  20
  21   virtual ~UpdateObserver() {}
  22
  23   virtual void OnUpdateRecommended(UpdateSeverity severity) = 0;
  24 };
  25
  26 }  // namespace ash
  27
  28 #endif  //ASH_SYSTEM_USER_UPDATE_OBSERVER_H_