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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 // A helper class that assists preferences in firing notifications when lists | 5 // A helper class that assists preferences in firing notifications when lists |
6 // or dictionaries are changed. | 6 // or dictionaries are changed. |
7 | 7 |
8 #ifndef BASE_PREFS_SCOPED_USER_PREF_UPDATE_H_ | 8 #ifndef COMPONENTS_PREFS_SCOPED_USER_PREF_UPDATE_H_ |
9 #define BASE_PREFS_SCOPED_USER_PREF_UPDATE_H_ | 9 #define COMPONENTS_PREFS_SCOPED_USER_PREF_UPDATE_H_ |
10 | 10 |
11 #include <string> | 11 #include <string> |
12 | 12 |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/threading/non_thread_safe.h" | 14 #include "base/threading/non_thread_safe.h" |
15 #include "base/values.h" | 15 #include "base/values.h" |
16 #include "components/prefs/base_prefs_export.h" | 16 #include "components/prefs/base_prefs_export.h" |
17 #include "components/prefs/pref_service.h" | 17 #include "components/prefs/pref_service.h" |
18 | 18 |
19 class PrefService; | 19 class PrefService; |
20 | 20 |
21 namespace base { | 21 namespace base { |
22 class DictionaryValue; | 22 class DictionaryValue; |
23 class ListValue; | 23 class ListValue; |
24 } | 24 } |
25 | 25 |
26 namespace subtle { | 26 namespace subtle { |
27 | 27 |
28 // Base class for ScopedUserPrefUpdateTemplate that contains the parts | 28 // Base class for ScopedUserPrefUpdateTemplate that contains the parts |
29 // that do not depend on ScopedUserPrefUpdateTemplate's template parameter. | 29 // that do not depend on ScopedUserPrefUpdateTemplate's template parameter. |
30 // | 30 // |
31 // We need this base class mostly for making it a friend of PrefService | 31 // We need this base class mostly for making it a friend of PrefService |
32 // and getting access to PrefService::GetMutableUserPref and | 32 // and getting access to PrefService::GetMutableUserPref and |
33 // PrefService::ReportUserPrefChanged. | 33 // PrefService::ReportUserPrefChanged. |
34 class BASE_PREFS_EXPORT ScopedUserPrefUpdateBase : public base::NonThreadSafe { | 34 class COMPONENTS_PREFS_EXPORT ScopedUserPrefUpdateBase |
| 35 : public base::NonThreadSafe { |
35 protected: | 36 protected: |
36 ScopedUserPrefUpdateBase(PrefService* service, const std::string& path); | 37 ScopedUserPrefUpdateBase(PrefService* service, const std::string& path); |
37 | 38 |
38 // Calls Notify(). | 39 // Calls Notify(). |
39 ~ScopedUserPrefUpdateBase(); | 40 ~ScopedUserPrefUpdateBase(); |
40 | 41 |
41 // Sets |value_| to |service_|->GetMutableUserPref and returns it. | 42 // Sets |value_| to |service_|->GetMutableUserPref and returns it. |
42 base::Value* GetValueOfType(base::Value::Type type); | 43 base::Value* GetValueOfType(base::Value::Type type); |
43 | 44 |
44 private: | 45 private: |
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98 private: | 99 private: |
99 DISALLOW_COPY_AND_ASSIGN(ScopedUserPrefUpdate); | 100 DISALLOW_COPY_AND_ASSIGN(ScopedUserPrefUpdate); |
100 }; | 101 }; |
101 | 102 |
102 typedef ScopedUserPrefUpdate<base::DictionaryValue, | 103 typedef ScopedUserPrefUpdate<base::DictionaryValue, |
103 base::Value::TYPE_DICTIONARY> | 104 base::Value::TYPE_DICTIONARY> |
104 DictionaryPrefUpdate; | 105 DictionaryPrefUpdate; |
105 typedef ScopedUserPrefUpdate<base::ListValue, base::Value::TYPE_LIST> | 106 typedef ScopedUserPrefUpdate<base::ListValue, base::Value::TYPE_LIST> |
106 ListPrefUpdate; | 107 ListPrefUpdate; |
107 | 108 |
108 #endif // BASE_PREFS_SCOPED_USER_PREF_UPDATE_H_ | 109 #endif // COMPONENTS_PREFS_SCOPED_USER_PREF_UPDATE_H_ |
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