ash/system/locale/locale_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_LOCALE_LOCALE_OBSERVER_H_
   6 #define ASH_SYSTEM_LOCALE_LOCALE_OBSERVER_H_
   7
   8 #include "ash/ash_export.h"
   9
  10 namespace ash {
  11
  12 class ASH_EXPORT LocaleObserver {
  13  public:
  14   class Delegate {
  15    public:
  16     virtual ~Delegate() {}
  17
  18     virtual void AcceptLocaleChange() = 0;
  19     virtual void RevertLocaleChange() = 0;
  20   };
  21
  22   virtual ~LocaleObserver() {}
  23
  24   virtual void OnLocaleChanged(Delegate* delegate,
  25                                const std::string& cur_locale,
  26                                const std::string& from_locale,
  27                                const std::string& to_locale) = 0;
  28 };
  29
  30 }  // namespace ash
  31
  32 #endif  // ASH_SYSTEM_LOCALE_LOCALE_OBSERVER_H_