chromeos/network/network_change_notifier_chromeos.h

   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/dbus/power_manager_client.h"
  15 #include "chromeos/network/network_state_handler_observer.h"
  16 #include "net/base/network_change_notifier.h"
  17
  18 namespace chromeos {
  19
  20 class CHROMEOS_EXPORT NetworkChangeNotifierChromeos
  21     : public net::NetworkChangeNotifier,
  22       public chromeos::PowerManagerClient::Observer,
  23       public chromeos::NetworkStateHandlerObserver {
  24  public:
  25   NetworkChangeNotifierChromeos();
  26   virtual ~NetworkChangeNotifierChromeos();
  27
  28   // Starts observing changes from the network state handler.
  29   void Initialize();
  30
  31   // Stops observing changes from the network state handler.
  32   void Shutdown();
  33
  34   // NetworkChangeNotifier overrides.
  35   virtual net::NetworkChangeNotifier::ConnectionType
  36       GetCurrentConnectionType() const OVERRIDE;
  37
  38   // PowerManagerClient::Observer overrides.
  39   virtual void SuspendDone(const base::TimeDelta& sleep_duration) OVERRIDE;
  40
  41   // NetworkStateHandlerObserver overrides.
  42   virtual void DefaultNetworkChanged(
  43       const chromeos::NetworkState* default_network) OVERRIDE;
  44
  45  private:
  46   FRIEND_TEST_ALL_PREFIXES(NetworkChangeNotifierChromeosTest,
  47                            ConnectionTypeFromShill);
  48   friend class NetworkChangeNotifierChromeosUpdateTest;
  49
  50   class DnsConfigService;
  51
  52   // Updates the notifier state based on a default network update.
  53   // |connection_type_changed| is set to true if we must report a connection
  54   // type change.
  55   // |ip_address_changed| is set to true if we must report an IP address change.
  56   // |dns_changed| is set to true if we must report a DNS config change.
  57   void UpdateState(const chromeos::NetworkState* default_network,
  58                    bool* connection_type_changed,
  59                    bool* ip_address_changed,
  60                    bool* dns_changed);
  61
  62   // Maps the shill network type and technology to its NetworkChangeNotifier
  63   // equivalent.
  64   static net::NetworkChangeNotifier::ConnectionType
  65       ConnectionTypeFromShill(const std::string& type,
  66                               const std::string& technology);
  67
  68   // Calculates parameters used for network change notifier online/offline
  69   // signals.
  70   static net::NetworkChangeNotifier::NetworkChangeCalculatorParams
  71       NetworkChangeCalculatorParamsChromeos();
  72
  73   NetworkChangeNotifier::ConnectionType connection_type_;
  74   // IP address for the current default network.
  75   std::string ip_address_;
  76   // DNS servers for the current default network.
  77   std::vector<std::string> dns_servers_;
  78   // Service path for the current default network.
  79   std::string service_path_;
  80
  81   scoped_ptr<DnsConfigService> dns_config_service_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierChromeos);
  84 };
  85
  86 }  // namespace chromeos
  87
  88 #endif  // CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_