// 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.

#ifndef CHROMEOS_ASH_COMPONENTS_PROXIMITY_AUTH_MESSENGER_OBSERVER_H_
#define CHROMEOS_ASH_COMPONENTS_PROXIMITY_AUTH_MESSENGER_OBSERVER_H_

#include "base/observer_list_types.h"

namespace proximity_auth {

struct RemoteStatusUpdate;

// An interface for observing events that happen on a Messenger.
class MessengerObserver : public base::CheckedObserver {
 public:
  // Called when sending an "Easy Unlock used"  local event message completes.
  // |success| is true iff the event was sent successfully.
  virtual void OnUnlockEventSent(bool success) {}

  // Called when a RemoteStatusUpdate is received.
  virtual void OnRemoteStatusUpdate(const RemoteStatusUpdate& status_update) {}

  // Called when a response to a 'unlock_request' is received.
  // |success| is true iff the request was made successfully.
  virtual void OnUnlockResponse(bool success) {}

  // Called when the underlying secure channel disconnects.
  virtual void OnDisconnected() {}

 protected:
  ~MessengerObserver() override = default;
};

}  // namespace proximity_auth

#endif  // CHROMEOS_ASH_COMPONENTS_PROXIMITY_AUTH_MESSENGER_OBSERVER_H_