components/proximity_auth/connection_observer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_PROXIMITY_AUTH_CONNECTION_OBSERVER_H
   6 #define COMPONENTS_PROXIMITY_AUTH_CONNECTION_OBSERVER_H
   7
   8 #include "components/proximity_auth/connection.h"
   9
  10 namespace proximity_auth {
  11
  12 class WireMessage;
  13
  14 // An interface for observing events that happen on a Connection.
  15 class ConnectionObserver {
  16  public:
  17   // Called when the |connection|'s status changes from |old_status| to
  18   // |new_status|. The |connectoin| is guaranteed to be non-null.
  19   virtual void OnConnectionStatusChanged(Connection* connection,
  20                                          Connection::Status old_status,
  21                                          Connection::Status new_status) {}
  22
  23   // Called when a |message| is received from a remote device over the
  24   // |connection|.
  25   virtual void OnMessageReceived(const Connection& connection,
  26                                  const WireMessage& message) {}
  27
  28   // Called after a |message| is sent to the remote device over the
  29   // |connection|. |success| is |true| iff the message is sent successfully.
  30   virtual void OnSendCompleted(const Connection& connection,
  31                                const WireMessage& message,
  32                                bool success) {}
  33 };
  34
  35 }  // namespace proximity_auth
  36
  37 #endif  // COMPONENTS_PROXIMITY_AUTH_CONNECTION_OBSERVER_H