chrome/browser/prefs/chrome_pref_service_factory.h

   1 // Copyright (c) 2012 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_PREFS_CHROME_PREF_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_PREFS_CHROME_PREF_SERVICE_FACTORY_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10
  11 namespace base {
  12 class DictionaryValue;
  13 class FilePath;
  14 class SequencedTaskRunner;
  15 class Time;
  16 }
  17
  18 namespace policy {
  19 class PolicyService;
  20 }
  21
  22 namespace user_prefs {
  23 class PrefRegistrySyncable;
  24 }
  25
  26 class PrefHashStore;
  27 class PrefRegistry;
  28 class PrefRegistrySimple;
  29 class PrefService;
  30 class PrefServiceSyncable;
  31 class PrefStore;
  32 class Profile;
  33 class SupervisedUserSettingsService;
  34 class TrackedPreferenceValidationDelegate;
  35
  36 namespace chrome_prefs {
  37
  38 namespace internals {
  39
  40 extern const char kSettingsEnforcementTrialName[];
  41 extern const char kSettingsEnforcementGroupNoEnforcement[];
  42 extern const char kSettingsEnforcementGroupEnforceAlways[];
  43 extern const char kSettingsEnforcementGroupEnforceAlwaysWithDSE[];
  44 extern const char kSettingsEnforcementGroupEnforceAlwaysWithExtensionsAndDSE[];
  45
  46 }  // namespace internals
  47
  48 // Factory methods that create and initialize a new instance of a
  49 // PrefService for Chrome with the applicable PrefStores. The
  50 // |pref_filename| points to the user preference file. This is the
  51 // usual way to create a new PrefService.
  52 // |extension_pref_store| is used as the source for extension-controlled
  53 // preferences and may be NULL.
  54 // |policy_service| is used as the source for mandatory or recommended
  55 // policies.
  56 // |pref_registry| keeps the list of registered prefs and their default values.
  57 // If |async| is true, asynchronous version is used.
  58 // Notifies using PREF_INITIALIZATION_COMPLETED in the end. Details is set to
  59 // the created PrefService or NULL if creation has failed. Note, it is
  60 // guaranteed that in asynchronous version initialization happens after this
  61 // function returned.
  62
  63 scoped_ptr<PrefService> CreateLocalState(
  64     const base::FilePath& pref_filename,
  65     base::SequencedTaskRunner* pref_io_task_runner,
  66     policy::PolicyService* policy_service,
  67     const scoped_refptr<PrefRegistry>& pref_registry,
  68     bool async);
  69
  70 scoped_ptr<PrefServiceSyncable> CreateProfilePrefs(
  71     const base::FilePath& pref_filename,
  72     base::SequencedTaskRunner* pref_io_task_runner,
  73     TrackedPreferenceValidationDelegate* validation_delegate,
  74     policy::PolicyService* policy_service,
  75     SupervisedUserSettingsService* supervised_user_settings,
  76     const scoped_refptr<PrefStore>& extension_prefs,
  77     const scoped_refptr<user_prefs::PrefRegistrySyncable>& pref_registry,
  78     bool async);
  79
  80 // Schedules verification of the path resolution of the preferences file under
  81 // |profile_path|.
  82 void SchedulePrefsFilePathVerification(const base::FilePath& profile_path);
  83
  84 // Initializes the preferences for the profile at |profile_path| with the
  85 // preference values in |master_prefs|. Returns true on success.
  86 bool InitializePrefsFromMasterPrefs(
  87     const base::FilePath& profile_path,
  88     const base::DictionaryValue& master_prefs);
  89
  90 // Retrieves the time of the last preference reset event, if any, for the
  91 // provided profile. If no reset has occurred, returns a null |Time|.
  92 base::Time GetResetTime(Profile* profile);
  93
  94 // Clears the time of the last preference reset event, if any, for the provided
  95 // profile.
  96 void ClearResetTime(Profile* profile);
  97
  98 // Register local state prefs used by chrome preference system.
  99 void RegisterPrefs(PrefRegistrySimple* registry);
 100
 101 // Register user prefs used by chrome preference system.
 102 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 103
 104 }  // namespace chrome_prefs
 105
 106 #endif  // CHROME_BROWSER_PREFS_CHROME_PREF_SERVICE_FACTORY_H_