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 ~UpdateObserver()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_ 29