| // Copyright 2021 The Chromium OS 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 FEDERATED_SESSION_MANAGER_OBSERVER_INTERFACE_H_ |
| #define FEDERATED_SESSION_MANAGER_OBSERVER_INTERFACE_H_ |
| |
| #include "base/observer_list_types.h" |
| |
| namespace federated { |
| |
| // An interface class for observing events from the session manager. |
| // A derived class of this class should override the event methods |
| // that it would like to observe. |
| class SessionManagerObserverInterface : public base::CheckedObserver { |
| public: |
| virtual ~SessionManagerObserverInterface() = default; |
| |
| // This method is called when a session has started. |
| virtual void OnSessionStarted() = 0; |
| |
| // This method is called when a session has stopped. |
| virtual void OnSessionStopped() = 0; |
| }; |
| |
| } // namespace federated |
| |
| #endif // FEDERATED_SESSION_MANAGER_OBSERVER_INTERFACE_H_ |