| // Copyright 2016 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 COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_OBSERVER_H_ |
| #define COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_OBSERVER_H_ |
| |
| #include "base/macros.h" |
| #include "components/session_manager/session_manager_types.h" |
| |
| namespace session_manager { |
| |
| // An observer interface for SessionManager. |
| // TODO(xiyuan): Use this to replace UserManager::UserSessionStateObserver, |
| // http://crbug.com/657149. |
| class SessionManagerObserver { |
| public: |
| SessionManagerObserver() = default; |
| |
| // Invoked when session state is changed. |
| virtual void OnSessionStateChanged() = 0; |
| |
| protected: |
| virtual ~SessionManagerObserver() = default; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(SessionManagerObserver); |
| }; |
| |
| } // namespace session_manager |
| |
| #endif // COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_OBSERVER_H_ |