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      1 // Copyright 2013 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_HANDLER_H_
      6 #define CHROMEOS_NETWORK_NETWORK_HANDLER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/memory/ref_counted.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "base/message_loop/message_loop_proxy.h"
     12 #include "chromeos/chromeos_export.h"
     13 
     14 namespace chromeos {
     15 
     16 class ClientCertResolver;
     17 class GeolocationHandler;
     18 class ManagedNetworkConfigurationHandler;
     19 class ManagedNetworkConfigurationHandlerImpl;
     20 class NetworkActivationHandler;
     21 class NetworkCertMigrator;
     22 class NetworkConfigurationHandler;
     23 class NetworkConnectionHandler;
     24 class NetworkDeviceHandler;
     25 class NetworkDeviceHandlerImpl;
     26 class NetworkProfileHandler;
     27 class NetworkStateHandler;
     28 class NetworkSmsHandler;
     29 
     30 // Class for handling initialization and access to chromeos network handlers.
     31 // This class should NOT be used in unit tests. Instead, construct individual
     32 // classes independently.
     33 class CHROMEOS_EXPORT NetworkHandler {
     34  public:
     35   // Sets the global instance. Must be called before any calls to Get().
     36   static void Initialize();
     37 
     38   // Destroys the global instance.
     39   static void Shutdown();
     40 
     41   // Gets the global instance. Initialize() must be called first.
     42   static NetworkHandler* Get();
     43 
     44   // Returns true if the global instance has been initialized.
     45   static bool IsInitialized();
     46 
     47   // Returns the MessageLoopProxy for posting NetworkHandler calls from
     48   // other threads.
     49   base::MessageLoopProxy* message_loop() { return message_loop_.get(); }
     50 
     51   // Do not use these accessors within this module; all dependencies should be
     52   // explicit so that classes can be constructed explicitly in tests without
     53   // NetworkHandler.
     54   NetworkStateHandler* network_state_handler();
     55   NetworkDeviceHandler* network_device_handler();
     56   NetworkProfileHandler* network_profile_handler();
     57   NetworkConfigurationHandler* network_configuration_handler();
     58   ManagedNetworkConfigurationHandler* managed_network_configuration_handler();
     59   NetworkActivationHandler* network_activation_handler();
     60   NetworkConnectionHandler* network_connection_handler();
     61   NetworkSmsHandler* network_sms_handler();
     62   GeolocationHandler* geolocation_handler();
     63 
     64  private:
     65   NetworkHandler();
     66   virtual ~NetworkHandler();
     67 
     68   void Init();
     69 
     70   // The order of these determines the (inverse) destruction order.
     71   scoped_refptr<base::MessageLoopProxy> message_loop_;
     72   scoped_ptr<NetworkStateHandler> network_state_handler_;
     73   scoped_ptr<NetworkDeviceHandlerImpl> network_device_handler_;
     74   scoped_ptr<NetworkProfileHandler> network_profile_handler_;
     75   scoped_ptr<NetworkConfigurationHandler> network_configuration_handler_;
     76   scoped_ptr<ManagedNetworkConfigurationHandlerImpl>
     77       managed_network_configuration_handler_;
     78   scoped_ptr<NetworkCertMigrator> network_cert_migrator_;
     79   scoped_ptr<ClientCertResolver> client_cert_resolver_;
     80   scoped_ptr<NetworkActivationHandler> network_activation_handler_;
     81   scoped_ptr<NetworkConnectionHandler> network_connection_handler_;
     82   scoped_ptr<NetworkSmsHandler> network_sms_handler_;
     83   scoped_ptr<GeolocationHandler> geolocation_handler_;
     84 
     85   DISALLOW_COPY_AND_ASSIGN(NetworkHandler);
     86 };
     87 
     88 }  // namespace chromeos
     89 
     90 #endif  // CHROMEOS_NETWORK_NETWORK_HANDLER_H_
     91