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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_SYNCABLE_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_ | 5 #ifndef COMPONENTS_SYNC_PREFERENCES_SYNCED_PREF_CHANGE_REGISTRAR_H_ |
6 #define COMPONENTS_SYNCABLE_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_ | 6 #define COMPONENTS_SYNC_PREFERENCES_SYNCED_PREF_CHANGE_REGISTRAR_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "components/syncable_prefs/pref_service_syncable.h" | 13 #include "components/sync_preferences/pref_service_syncable.h" |
14 #include "components/syncable_prefs/synced_pref_observer.h" | 14 #include "components/sync_preferences/synced_pref_observer.h" |
15 | 15 |
16 namespace syncable_prefs { | 16 namespace sync_preferences { |
17 | 17 |
18 // Manages the registration of one or more SyncedPrefObservers on a | 18 // Manages the registration of one or more SyncedPrefObservers on a |
19 // PrefServiceSyncable. This is modeled after base::PrefChangeRegistrar, and | 19 // PrefServiceSyncable. This is modeled after base::PrefChangeRegistrar, and |
20 // it should be used whenever it's necessary to determine whether a pref change | 20 // it should be used whenever it's necessary to determine whether a pref change |
21 // has come from sync or from some other mechanism (managed, UI, external, etc.) | 21 // has come from sync or from some other mechanism (managed, UI, external, etc.) |
22 class SyncedPrefChangeRegistrar : public SyncedPrefObserver { | 22 class SyncedPrefChangeRegistrar : public SyncedPrefObserver { |
23 public: | 23 public: |
24 // Registered callbacks may optionally take a path argument. | 24 // Registered callbacks may optionally take a path argument. |
25 // The boolean argument indicates whether (true) or not (false) | 25 // The boolean argument indicates whether (true) or not (false) |
26 // the change was a result of syncing. | 26 // the change was a result of syncing. |
(...skipping 22 matching lines...) Expand all Loading... |
49 void OnSyncedPrefChanged(const std::string& path, bool from_sync) override; | 49 void OnSyncedPrefChanged(const std::string& path, bool from_sync) override; |
50 | 50 |
51 typedef std::map<std::string, NamedChangeCallback> ObserverMap; | 51 typedef std::map<std::string, NamedChangeCallback> ObserverMap; |
52 | 52 |
53 PrefServiceSyncable* pref_service_; | 53 PrefServiceSyncable* pref_service_; |
54 ObserverMap observers_; | 54 ObserverMap observers_; |
55 | 55 |
56 DISALLOW_COPY_AND_ASSIGN(SyncedPrefChangeRegistrar); | 56 DISALLOW_COPY_AND_ASSIGN(SyncedPrefChangeRegistrar); |
57 }; | 57 }; |
58 | 58 |
59 } // namespace syncable_prefs | 59 } // namespace sync_preferences |
60 | 60 |
61 #endif // COMPONENTS_SYNCABLE_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_ | 61 #endif // COMPONENTS_SYNC_PREFERENCES_SYNCED_PREF_CHANGE_REGISTRAR_H_ |
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