Handle prohibited technologies in device policy ONC

chromeos/network/prohibited_technologies_handler.h

+// Copyright 2015 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_PROHIBITED_TECHNOLOGIES_HANDLER_H_
+#define CHROMEOS_NETWORK_PROHIBITED_TECHNOLOGIES_HANDLER_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "base/values.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/login/login_state.h"
+#include "chromeos/network/network_handler.h"
+#include "chromeos/network/network_policy_observer.h"
+
+namespace chromeos {
+
+class CHROMEOS_EXPORT ProhibitedTechnologiesHandler
+    : public LoginState::Observer,
+      public NetworkPolicyObserver {
+ public:
+  ~ProhibitedTechnologiesHandler() override;
+
+  // LoginState::Observer
+  void LoggedInStateChanged() override;
+
+  // NetworkPolicyObserver
+  void PoliciesChanged(const std::string& userhash) override;
+  void PoliciesApplied(const std::string& userhash) override;
+
+  void SetProhibitedTechnologies(const base::ListValue* prohibited_list);
+  std::vector<std::string> GetCurrentlyProhibitedTechnologies();
+
+ private:
+  friend class NetworkHandler;
+  friend class ProhibitedTechnologiesHandlerTest;
+
+  ProhibitedTechnologiesHandler();
+
+  void Init(
+      ManagedNetworkConfigurationHandler* managed_network_configuration_handler,
+      NetworkStateHandler* network_state_handler);
+
+  void EnforceProhibitedTechnologies();
+
+  std::vector<std::string> prohibited_technologies_;
+  ManagedNetworkConfigurationHandler* managed_network_configuration_handler_ =
+      nullptr;
+  NetworkStateHandler* network_state_handler_ = nullptr;
+  bool user_logged_in_ = false;
+  bool user_policy_applied_ = false;
+
+  DISALLOW_COPY_AND_ASSIGN(ProhibitedTechnologiesHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_NETWORK_PROHIBITED_TECHNOLOGIES_HANDLER_H_