| // Copyright 2014 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/user_manager/scoped_user_manager.h" |
| |
| #include <utility> |
| |
| #include "base/check_op.h" |
| #include "components/user_manager/user_manager.h" |
| |
| namespace user_manager::internal { |
| |
| ScopedUserManagerImpl::ScopedUserManagerImpl() = default; |
| ScopedUserManagerImpl::~ScopedUserManagerImpl() = default; |
| |
| void ScopedUserManagerImpl::Reset(std::unique_ptr<UserManager> user_manager) { |
| if (user_manager_) { |
| // This already overwrites the global UserManager, restore the original one. |
| DCHECK_EQ(UserManager::Get(), user_manager_.get()); |
| user_manager_->Shutdown(); |
| user_manager_.reset(); |
| UserManager::SetForTesting(std::exchange(previous_user_manager_, nullptr)); |
| } |
| |
| DCHECK(!previous_user_manager_); |
| if (user_manager) { |
| previous_user_manager_ = UserManager::GetForTesting(); |
| if (previous_user_manager_) { |
| previous_user_manager_->Shutdown(); |
| } |
| user_manager_ = std::move(user_manager); |
| UserManager::SetForTesting(user_manager_.get()); |
| } |
| } |
| |
| } // namespace user_manager::internal |