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 CHROME_BROWSER_CHROMEOS_POWER_POWER_PREFS_H_ 6 #define CHROME_BROWSER_CHROMEOS_POWER_POWER_PREFS_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "content/public/browser/notification_observer.h" 12 #include "content/public/browser/notification_registrar.h" 13 14 class PrefChangeRegistrar; 15 class Profile; 16 17 namespace user_prefs { 18 class PrefRegistrySyncable; 19 } 20 21 namespace chromeos { 22 23 class PowerPolicyController; 24 25 // Sends an updated power policy to the |power_policy_controller| whenever one 26 // of the power-related prefs changes. 27 class PowerPrefs : public content::NotificationObserver { 28 public: 29 explicit PowerPrefs(PowerPolicyController* power_policy_controller); 30 virtual ~PowerPrefs(); 31 32 // Register power prefs with default values applicable to a user profile. 33 static void RegisterUserProfilePrefs( 34 user_prefs::PrefRegistrySyncable* registry); 35 36 // Register power prefs with default values applicable to the login profile. 37 static void RegisterLoginProfilePrefs( 38 user_prefs::PrefRegistrySyncable* registry); 39 40 // content::NotificationObserver: 41 virtual void Observe(int type, 42 const content::NotificationSource& source, 43 const content::NotificationDetails& details) OVERRIDE; 44 45 void UpdatePowerPolicyFromPrefs(); 46 47 private: 48 friend class PowerPrefsTest; 49 50 // Register power prefs whose default values are the same in user profiles and 51 // the login profile. 52 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); 53 54 void SetProfile(Profile* profile); 55 56 PowerPolicyController* power_policy_controller_; // Not owned. 57 58 content::NotificationRegistrar notification_registrar_; 59 60 Profile* profile_; // Not owned. 61 scoped_ptr<PrefChangeRegistrar> pref_change_registrar_; 62 63 DISALLOW_COPY_AND_ASSIGN(PowerPrefs); 64 }; 65 66 } // namespace chromeos 67 68 #endif // CHROME_BROWSER_CHROMEOS_POWER_POWER_PREFS_H_ 69