ash/system/model/locale_model.h

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef ASH_SYSTEM_MODEL_LOCALE_MODEL_H_
#define ASH_SYSTEM_MODEL_LOCALE_MODEL_H_

#include <string>
#include <vector>

#include "ash/public/interfaces/system_tray.mojom.h"
#include "base/macros.h"
#include "base/observer_list.h"

namespace ash {

// Model to store system locale list.
class LocaleModel {
 public:
  class Observer {
   public:
    virtual ~Observer();

    // Notify the observer that the locale list is set.
    virtual void OnLocaleListSet() = 0;
  };

  LocaleModel();
  ~LocaleModel();

  void AddObserver(Observer* observer);

  void RemoveObserver(Observer* observer);

  void SetLocaleList(std::vector<mojom::LocaleInfoPtr> locale_list,
                     const std::string& current_locale_iso_code);

  bool ShouldShowCurrentLocaleInStatusArea() const;

  const std::vector<mojom::LocaleInfoPtr>& locale_list() {
    return locale_list_;
  }

  std::string current_locale_iso_code() const {
    return current_locale_iso_code_;
  }

 private:
  std::vector<mojom::LocaleInfoPtr> locale_list_;

  std::string current_locale_iso_code_;

  base::ObserverList<Observer>::Unchecked observers_;

  DISALLOW_COPY_AND_ASSIGN(LocaleModel);
};

}  // namespace ash

#endif  // ASH_SYSTEM_MODEL_LOCALE_MODEL_H_