network_change_notifier_chromeos.h revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
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 CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
6#define CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/gtest_prod_util.h"
12#include "base/memory/scoped_ptr.h"
13#include "chromeos/chromeos_export.h"
14#include "chromeos/network/network_state_handler_observer.h"
15#include "net/base/network_change_notifier.h"
16
17namespace chromeos {
18
19class CHROMEOS_EXPORT NetworkChangeNotifierChromeos
20    : public net::NetworkChangeNotifier,
21      public chromeos::NetworkStateHandlerObserver {
22 public:
23  NetworkChangeNotifierChromeos();
24  virtual ~NetworkChangeNotifierChromeos();
25
26  // Starts observing changes from the network state handler.
27  void Initialize();
28
29  // Stops observing changes from the network state handler.
30  void Shutdown();
31
32  // NetworkChangeNotifier overrides.
33  virtual net::NetworkChangeNotifier::ConnectionType
34      GetCurrentConnectionType() const OVERRIDE;
35
36  // NetworkStateHandlerObserver overrides.
37  virtual void DefaultNetworkChanged(
38      const chromeos::NetworkState* default_network) OVERRIDE;
39
40 private:
41  FRIEND_TEST_ALL_PREFIXES(NetworkChangeNotifierChromeosTest,
42                           ConnectionTypeFromShill);
43  friend class NetworkChangeNotifierChromeosUpdateTest;
44
45  class DnsConfigService;
46
47  // Updates the notifier state based on a default network update.
48  // |connection_type_changed| is set to true if we must report a connection
49  // type change.
50  // |ip_address_changed| is set to true if we must report an IP address change.
51  // |dns_changed| is set to true if we must report a DNS config change.
52  void UpdateState(const chromeos::NetworkState* default_network,
53                   bool* connection_type_changed,
54                   bool* ip_address_changed,
55                   bool* dns_changed);
56
57  // Maps the shill network type and technology to its NetworkChangeNotifier
58  // equivalent.
59  static net::NetworkChangeNotifier::ConnectionType
60      ConnectionTypeFromShill(const std::string& type,
61                              const std::string& technology);
62
63  // Calculates parameters used for network change notifier online/offline
64  // signals.
65  static net::NetworkChangeNotifier::NetworkChangeCalculatorParams
66      NetworkChangeCalculatorParamsChromeos();
67
68  NetworkChangeNotifier::ConnectionType connection_type_;
69  // IP address for the current default network.
70  std::string ip_address_;
71  // Service path for the current default network.
72  std::string service_path_;
73
74  scoped_ptr<DnsConfigService> dns_config_service_;
75
76  DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierChromeos);
77};
78
79}  // namespace chromeos
80
81#endif  // CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
82