// Copyright 2014 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.

#include "components/user_manager/user_manager.h"

#include "base/logging.h"

namespace user_manager {

UserManager* UserManager::instance = NULL;

UserManager::Observer::~Observer() {
}

void UserManager::Observer::LocalStateChanged(UserManager* user_manager) {
}

void UserManager::UserSessionStateObserver::ActiveUserChanged(
    const User* active_user) {
}

void UserManager::UserSessionStateObserver::UserAddedToSession(
    const User* active_user) {
}

void UserManager::UserSessionStateObserver::ActiveUserHashChanged(
    const std::string& hash) {
}

void UserManager::UserSessionStateObserver::UserChangedChildStatus(User* user) {
}

UserManager::UserSessionStateObserver::~UserSessionStateObserver() {
}

UserManager::UserAccountData::UserAccountData(
    const base::string16& display_name,
    const base::string16& given_name,
    const std::string& locale)
    : display_name_(display_name), given_name_(given_name), locale_(locale) {
}

UserManager::UserAccountData::~UserAccountData() {
}

void UserManager::Initialize() {
  DCHECK(!UserManager::instance);
  UserManager::SetInstance(this);
}

// static
bool UserManager::IsInitialized() {
  return UserManager::instance;
}

void UserManager::Destroy() {
  DCHECK(UserManager::instance == this);
  UserManager::SetInstance(NULL);
}

// static
UserManager* user_manager::UserManager::Get() {
  CHECK(UserManager::instance);
  return UserManager::instance;
}

UserManager::~UserManager() {
}

// static
void UserManager::SetInstance(UserManager* user_manager) {
  UserManager::instance = user_manager;
}

// static
UserManager* user_manager::UserManager::GetForTesting() {
  return UserManager::instance;
}

// static
UserManager* UserManager::SetForTesting(UserManager* user_manager) {
  UserManager* previous_instance = UserManager::instance;
  UserManager::instance = user_manager;
  return previous_instance;
}

}  // namespace user_manager