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
10namespace ash {
11
12class 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_
33