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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2016 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_PREFS_IN_MEMORY_PREF_STORE_H_ | 5 #ifndef COMPONENTS_PREFS_IN_MEMORY_PREF_STORE_H_ |
6 #define COMPONENTS_PREFS_IN_MEMORY_PREF_STORE_H_ | 6 #define COMPONENTS_PREFS_IN_MEMORY_PREF_STORE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/observer_list.h" | 14 #include "base/observer_list.h" |
15 #include "components/prefs/persistent_pref_store.h" | 15 #include "components/prefs/persistent_pref_store.h" |
16 #include "components/prefs/pref_value_map.h" | 16 #include "components/prefs/pref_value_map.h" |
17 | 17 |
18 // A light-weight prefstore implementation that keeps preferences | 18 // A light-weight prefstore implementation that keeps preferences |
19 // in a memory backed store. This is not a persistent prefstore -- we | 19 // in a memory backed store. This is not a persistent prefstore -- we |
20 // subclass the PersistentPrefStore here since it is needed by the | 20 // subclass the PersistentPrefStore here since it is needed by the |
21 // PrefService, which in turn is needed by various components. | 21 // PrefService, which in turn is needed by various components. |
22 class COMPONENTS_PREFS_EXPORT InMemoryPrefStore : public PersistentPrefStore { | 22 class COMPONENTS_PREFS_EXPORT InMemoryPrefStore : public PersistentPrefStore { |
23 public: | 23 public: |
24 InMemoryPrefStore(); | 24 InMemoryPrefStore(); |
25 | 25 |
26 // PrefStore implementation. | 26 // PrefStore implementation. |
27 bool GetValue(const std::string& key, | 27 bool GetValue(const std::string& key, |
28 const base::Value** result) const override; | 28 const base::Value** result) const override; |
| 29 std::unique_ptr<base::DictionaryValue> GetValues() const override; |
29 void AddObserver(PrefStore::Observer* observer) override; | 30 void AddObserver(PrefStore::Observer* observer) override; |
30 void RemoveObserver(PrefStore::Observer* observer) override; | 31 void RemoveObserver(PrefStore::Observer* observer) override; |
31 bool HasObservers() const override; | 32 bool HasObservers() const override; |
32 bool IsInitializationComplete() const override; | 33 bool IsInitializationComplete() const override; |
33 | 34 |
34 // PersistentPrefStore implementation. | 35 // PersistentPrefStore implementation. |
35 bool GetMutableValue(const std::string& key, base::Value** result) override; | 36 bool GetMutableValue(const std::string& key, base::Value** result) override; |
36 void ReportValueChanged(const std::string& key, uint32_t flags) override; | 37 void ReportValueChanged(const std::string& key, uint32_t flags) override; |
37 void SetValue(const std::string& key, | 38 void SetValue(const std::string& key, |
38 std::unique_ptr<base::Value> value, | 39 std::unique_ptr<base::Value> value, |
(...skipping 16 matching lines...) Expand all Loading... |
55 private: | 56 private: |
56 // Stores the preference values. | 57 // Stores the preference values. |
57 PrefValueMap prefs_; | 58 PrefValueMap prefs_; |
58 | 59 |
59 base::ObserverList<PrefStore::Observer, true> observers_; | 60 base::ObserverList<PrefStore::Observer, true> observers_; |
60 | 61 |
61 DISALLOW_COPY_AND_ASSIGN(InMemoryPrefStore); | 62 DISALLOW_COPY_AND_ASSIGN(InMemoryPrefStore); |
62 }; | 63 }; |
63 | 64 |
64 #endif // COMPONENTS_PREFS_IN_MEMORY_PREF_STORE_H_ | 65 #endif // COMPONENTS_PREFS_IN_MEMORY_PREF_STORE_H_ |
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