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// Copyright 2014 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_CRYPTAUTH_CONNECTION_OBSERVER_H_
#define COMPONENTS_CRYPTAUTH_CONNECTION_OBSERVER_H_
#include "components/cryptauth/connection.h"
namespace cryptauth {
class WireMessage;
// An interface for observing events that happen on a Connection.
class ConnectionObserver {
public:
virtual ~ConnectionObserver() {}
// Called when the |connection|'s status changes from |old_status| to
// |new_status|. The |connectoin| is guaranteed to be non-null.
virtual void OnConnectionStatusChanged(Connection* connection,
Connection::Status old_status,
Connection::Status new_status) {}
// Called when a |message| is received from a remote device over the
// |connection|.
virtual void OnMessageReceived(const Connection& connection,
const WireMessage& message) {}
// Called after a |message| is sent to the remote device over the
// |connection|. |success| is |true| iff the message is sent successfully.
virtual void OnSendCompleted(const Connection& connection,
const WireMessage& message,
bool success) {}
};
} // namespace cryptauth
#endif // COMPONENTS_CRYPTAUTH_CONNECTION_OBSERVER_H_
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