| // Copyright 2016 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_FAST_TRANSITION_OBSERVER_H_ |
| #define CHROMEOS_NETWORK_FAST_TRANSITION_OBSERVER_H_ |
| |
| #include <string> |
| |
| #include "base/component_export.h" |
| #include "base/memory/weak_ptr.h" |
| #include "components/prefs/pref_change_registrar.h" |
| |
| class PrefRegistrySimple; |
| |
| namespace chromeos { |
| |
| // FastTransitionObserver is a singleton, owned by |
| // ChromeBrowserMainPartsChromeos. |
| // This class is responsible for propagating Fast Transition policy |
| // changes (prefs::kFastTransitionEnabled) in Chrome down to Shill. |
| class COMPONENT_EXPORT(CHROMEOS_NETWORK) FastTransitionObserver { |
| public: |
| explicit FastTransitionObserver(PrefService* local_state); |
| ~FastTransitionObserver(); |
| |
| static void RegisterPrefs(PrefRegistrySimple* registry); |
| |
| private: |
| // Callback used when prefs::kFastTransitionEnabled changes |
| void OnPreferenceChanged(const std::string& pref_name); |
| |
| PrefService* local_state_; |
| PrefChangeRegistrar pref_change_registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FastTransitionObserver); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_NETWORK_FAST_TRANSITION_OBSERVER_H_ |