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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_ | 5 #ifndef CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_ |
6 #define CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_ | 6 #define CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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31 // A writable PrefStore implementation that is used for user preferences. | 31 // A writable PrefStore implementation that is used for user preferences. |
32 class LevelDBPrefStore : public PersistentPrefStore { | 32 class LevelDBPrefStore : public PersistentPrefStore { |
33 public: | 33 public: |
34 // |sequenced_task_runner| is must be a shutdown-blocking task runner, ideally | 34 // |sequenced_task_runner| is must be a shutdown-blocking task runner, ideally |
35 // created by GetTaskRunnerForFile() method above. | 35 // created by GetTaskRunnerForFile() method above. |
36 LevelDBPrefStore(const base::FilePath& pref_filename, | 36 LevelDBPrefStore(const base::FilePath& pref_filename, |
37 base::SequencedTaskRunner* sequenced_task_runner); | 37 base::SequencedTaskRunner* sequenced_task_runner); |
38 | 38 |
39 // PrefStore overrides: | 39 // PrefStore overrides: |
40 virtual bool GetValue(const std::string& key, | 40 virtual bool GetValue(const std::string& key, |
41 const base::Value** result) const OVERRIDE; | 41 const base::Value** result) const override; |
42 virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE; | 42 virtual void AddObserver(PrefStore::Observer* observer) override; |
43 virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE; | 43 virtual void RemoveObserver(PrefStore::Observer* observer) override; |
44 virtual bool HasObservers() const OVERRIDE; | 44 virtual bool HasObservers() const override; |
45 virtual bool IsInitializationComplete() const OVERRIDE; | 45 virtual bool IsInitializationComplete() const override; |
46 | 46 |
47 // PersistentPrefStore overrides: | 47 // PersistentPrefStore overrides: |
48 virtual bool GetMutableValue(const std::string& key, | 48 virtual bool GetMutableValue(const std::string& key, |
49 base::Value** result) OVERRIDE; | 49 base::Value** result) override; |
50 // Takes ownership of value. | 50 // Takes ownership of value. |
51 virtual void SetValue(const std::string& key, base::Value* value) OVERRIDE; | 51 virtual void SetValue(const std::string& key, base::Value* value) override; |
52 virtual void SetValueSilently(const std::string& key, | 52 virtual void SetValueSilently(const std::string& key, |
53 base::Value* value) OVERRIDE; | 53 base::Value* value) override; |
54 virtual void RemoveValue(const std::string& key) OVERRIDE; | 54 virtual void RemoveValue(const std::string& key) override; |
55 virtual bool ReadOnly() const OVERRIDE; | 55 virtual bool ReadOnly() const override; |
56 virtual PrefReadError GetReadError() const OVERRIDE; | 56 virtual PrefReadError GetReadError() const override; |
57 virtual PrefReadError ReadPrefs() OVERRIDE; | 57 virtual PrefReadError ReadPrefs() override; |
58 virtual void ReadPrefsAsync(ReadErrorDelegate* error_delegate) OVERRIDE; | 58 virtual void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override; |
59 virtual void CommitPendingWrite() OVERRIDE; | 59 virtual void CommitPendingWrite() override; |
60 virtual void ReportValueChanged(const std::string& key) OVERRIDE; | 60 virtual void ReportValueChanged(const std::string& key) override; |
61 | 61 |
62 private: | 62 private: |
63 struct ReadingResults; | 63 struct ReadingResults; |
64 class FileThreadSerializer; | 64 class FileThreadSerializer; |
65 | 65 |
66 virtual ~LevelDBPrefStore(); | 66 virtual ~LevelDBPrefStore(); |
67 | 67 |
68 static scoped_ptr<ReadingResults> DoReading(const base::FilePath& path); | 68 static scoped_ptr<ReadingResults> DoReading(const base::FilePath& path); |
69 static void OpenDB(const base::FilePath& path, | 69 static void OpenDB(const base::FilePath& path, |
70 ReadingResults* reading_results); | 70 ReadingResults* reading_results); |
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107 std::set<std::string> keys_to_delete_; | 107 std::set<std::string> keys_to_delete_; |
108 std::map<std::string, std::string> keys_to_set_; | 108 std::map<std::string, std::string> keys_to_set_; |
109 base::OneShotTimer<LevelDBPrefStore> timer_; | 109 base::OneShotTimer<LevelDBPrefStore> timer_; |
110 | 110 |
111 base::WeakPtrFactory<LevelDBPrefStore> weak_ptr_factory_; | 111 base::WeakPtrFactory<LevelDBPrefStore> weak_ptr_factory_; |
112 | 112 |
113 DISALLOW_COPY_AND_ASSIGN(LevelDBPrefStore); | 113 DISALLOW_COPY_AND_ASSIGN(LevelDBPrefStore); |
114 }; | 114 }; |
115 | 115 |
116 #endif // CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_ | 116 #endif // CHROME_BROWSER_PREFS_LEVELDB_PREF_STORE_H_ |
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