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