Add NetworkHandler to own network handlers in src/chromeos/network

chromeos/network/network_handler.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMEOS_NETWORK_NETWORK_HANDLER_H_
+#define CHROMEOS_NETWORK_NETWORK_HANDLER_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "chromeos/chromeos_export.h"
+
+namespace chromeos {
+
+class CertLoader;
+class GeolocationHandler;
+class ManagedNetworkConfigurationHandler;
+class NetworkConfigurationHandler;
+class NetworkConnectionHandler;
+class NetworkProfileHandler;
+class NetworkStateHandler;
+
+// Class for handling initialization and access to chromeos network handlers.
+// This class should NOT be used in unit tests. Instead, construct individual
+// classes independently.
+class CHROMEOS_EXPORT NetworkHandler {
+ public:
+  // Sets the global instance. Must be called before any calls to Get().
+  static void Initialize();
+
+  // Destroys the global instance.
+  static void Shutdown();
+
+  // Gets the global instance. Initialize() must be called first.
+  static NetworkHandler* Get();
+
+  // Returns true if the global instance has been initialized.
+  static bool IsInitialized();
+
+  // Do not use these accessors within this module; all dependencies should be
+  // explicit so that classes can be constructed explicitly in tests without
+  // NetworkHandler.
+  CertLoader* cert_loader();
+  NetworkStateHandler* network_state_handler();
+  NetworkProfileHandler* network_profile_handler();
+  NetworkConfigurationHandler* network_configuration_handler();
+  ManagedNetworkConfigurationHandler* managed_network_configuration_handler();
+  NetworkConnectionHandler* network_connection_handler();
+  GeolocationHandler* geolocation_handler();
+
+ private:
+  NetworkHandler();
+  virtual ~NetworkHandler();
+
+  void Init();
+
+  // The order of these determines the (inverse) destruction order.
+  scoped_ptr<CertLoader> cert_loader_;
+  scoped_ptr<NetworkStateHandler> network_state_handler_;
+  scoped_ptr<NetworkProfileHandler> network_profile_handler_;
+  scoped_ptr<NetworkConfigurationHandler> network_configuration_handler_;
+  scoped_ptr<ManagedNetworkConfigurationHandler>
+      managed_network_configuration_handler_;
+  scoped_ptr<NetworkConnectionHandler> network_connection_handler_;
+  scoped_ptr<GeolocationHandler> geolocation_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_NETWORK_NETWORK_HANDLER_H_