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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 BASE_PREFS_PREF_CHANGE_REGISTRAR_H_ | 5 #ifndef BASE_PREFS_PREF_CHANGE_REGISTRAR_H_ |
| 6 #define BASE_PREFS_PREF_CHANGE_REGISTRAR_H_ | 6 #define BASE_PREFS_PREF_CHANGE_REGISTRAR_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/callback.h" | 11 #include "base/callback.h" |
| 12 #include "base/macros.h" |
| 13 #include "base/prefs/base_prefs_export.h" | 13 #include "base/prefs/base_prefs_export.h" |
| 14 #include "base/prefs/pref_observer.h" | 14 #include "base/prefs/pref_observer.h" |
| 15 | 15 |
| 16 class PrefService; | 16 class PrefService; |
| 17 | 17 |
| 18 // Automatically manages the registration of one or more pref change observers | 18 // Automatically manages the registration of one or more pref change observers |
| 19 // with a PrefStore. Functions much like NotificationRegistrar, but specifically | 19 // with a PrefStore. Functions much like NotificationRegistrar, but specifically |
| 20 // manages observers of preference changes. When the Registrar is destroyed, | 20 // manages observers of preference changes. When the Registrar is destroyed, |
| 21 // all registered observers are automatically unregistered with the PrefStore. | 21 // all registered observers are automatically unregistered with the PrefStore. |
| 22 class BASE_PREFS_EXPORT PrefChangeRegistrar : public PrefObserver { | 22 class BASE_PREFS_EXPORT PrefChangeRegistrar : public PrefObserver { |
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| 72 | 72 |
| 73 typedef std::map<std::string, NamedChangeCallback> ObserverMap; | 73 typedef std::map<std::string, NamedChangeCallback> ObserverMap; |
| 74 | 74 |
| 75 ObserverMap observers_; | 75 ObserverMap observers_; |
| 76 PrefService* service_; | 76 PrefService* service_; |
| 77 | 77 |
| 78 DISALLOW_COPY_AND_ASSIGN(PrefChangeRegistrar); | 78 DISALLOW_COPY_AND_ASSIGN(PrefChangeRegistrar); |
| 79 }; | 79 }; |
| 80 | 80 |
| 81 #endif // BASE_PREFS_PREF_CHANGE_REGISTRAR_H_ | 81 #endif // BASE_PREFS_PREF_CHANGE_REGISTRAR_H_ |
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