host_status_observer.h revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 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 REMOTING_HOST_HOST_STATUS_OBSERVER_H_
6#define REMOTING_HOST_HOST_STATUS_OBSERVER_H_
7
8#include <string>
9
10#include "third_party/skia/include/core/SkRect.h"
11
12namespace net {
13class IPEndPoint;
14}  // namespace net
15
16namespace remoting {
17class SignalStrategy;
18
19namespace protocol {
20struct TransportRoute;
21};
22
23// Interface for host status observer. All methods are invoked on the
24// network thread. Observers must not tear-down ChromotingHost state
25// on receipt of these callbacks; they are purely informational.
26class HostStatusObserver {
27 public:
28  HostStatusObserver() { }
29  virtual ~HostStatusObserver() { }
30
31  // Called when an unauthorized user attempts to connect to the host.
32  virtual void OnAccessDenied(const std::string& jid) {}
33
34  // A new client is authenticated.
35  virtual void OnClientAuthenticated(const std::string& jid) {}
36
37  // All channels for an autheticated client are connected.
38  virtual void OnClientConnected(const std::string& jid) {}
39
40  // An authenticated client is disconnected.
41  virtual void OnClientDisconnected(const std::string& jid) {}
42
43  // Called on notification of a route change event, when a channel is
44  // connected.
45  virtual void OnClientRouteChange(const std::string& jid,
46                                   const std::string& channel_name,
47                                   const protocol::TransportRoute& route) {}
48
49  // Called when the client view dimensions change.
50  virtual void OnClientDimensionsChanged(const std::string& jid,
51                                         const SkISize& size) {}
52
53  // Called when hosting is started for an account.
54  virtual void OnStart(const std::string& xmpp_login) {}
55
56  // Called when the host shuts down.
57  virtual void OnShutdown() {}
58};
59
60}  // namespace remoting
61
62#endif  // REMOTING_HOST_HOST_STATUS_OBSERVER_H_
63