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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_PREFS_TRACKED_PREF_SERVICE_HASH_STORE_CONTENTS_H_ | |
| 6 #define CHROME_BROWSER_PREFS_TRACKED_PREF_SERVICE_HASH_STORE_CONTENTS_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "base/macros.h" | |
| 12 #include "chrome/browser/prefs/tracked/hash_store_contents.h" | |
| 13 | |
| 14 class PrefRegistrySimple; | |
| 15 class PrefService; | |
| 16 | |
| 17 // Implements HashStoreContents by storing hashes in a PrefService. Multiple | |
| 18 // separate hash stores may coexist in the PrefService by using distinct hash | |
| 19 // store IDs. | |
| 20 // TODO(erikwright): This class is only used to recreate preference state as in | |
| 21 // M35, to test migration behaviour. Remove this class when | |
| 22 // ProfilePrefStoreManagerTest no longer depends on it. | |
| 23 class PrefServiceHashStoreContents : public HashStoreContents { | |
| 24 public: | |
| 25 // Constructs a HashStoreContents that stores hashes in |pref_service|. | |
| 26 // Multiple hash stores can use the same |pref_service| with distinct | |
| 27 // |hash_store_id|s. | |
| 28 // | |
| 29 // |pref_service| must have previously been configured using |RegisterPrefs|. | |
| 30 PrefServiceHashStoreContents(const std::string& hash_store_id, | |
| 31 PrefService* pref_service); | |
| 32 | |
| 33 // A dictionary pref which maps profile names to dictionary values which hold | |
| 34 // hashes of profile prefs that we track to detect changes that happen outside | |
| 35 // of Chrome. | |
| 36 static const char kProfilePreferenceHashes[]; | |
| 37 | |
| 38 // The name of a dict that is stored as a child of | |
| 39 // |prefs::kProfilePreferenceHashes|. Each child node is a string whose name | |
| 40 // is a hash store ID and whose value is the super MAC for the corresponding | |
| 41 // hash store. | |
| 42 static const char kHashOfHashesDict[]; | |
| 43 | |
| 44 // The name of a dict that is stored as a child of | |
| 45 // |prefs::kProfilePreferenceHashes|. Each child node is a number whose name | |
| 46 // is a hash store ID and whose value is the version of the corresponding | |
| 47 // hash store. | |
| 48 static const char kStoreVersionsDict[]; | |
| 49 | |
| 50 // Registers required preferences. | |
| 51 static void RegisterPrefs(PrefRegistrySimple* registry); | |
| 52 | |
| 53 // Deletes stored hashes for all profiles from |pref_service|. | |
| 54 static void ResetAllPrefHashStores(PrefService* pref_service); | |
| 55 | |
| 56 // HashStoreContents implementation | |
| 57 std::string hash_store_id() const override; | |
| 58 void Reset() override; | |
| 59 bool IsInitialized() const override; | |
| 60 const base::DictionaryValue* GetContents() const override; | |
| 61 scoped_ptr<MutableDictionary> GetMutableContents() override; | |
| 62 std::string GetSuperMac() const override; | |
| 63 void SetSuperMac(const std::string& super_mac) override; | |
| 64 | |
| 65 private: | |
| 66 const std::string hash_store_id_; | |
| 67 PrefService* pref_service_; | |
| 68 | |
| 69 DISALLOW_COPY_AND_ASSIGN(PrefServiceHashStoreContents); | |
| 70 }; | |
| 71 | |
| 72 #endif // CHROME_BROWSER_PREFS_TRACKED_PREF_SERVICE_HASH_STORE_CONTENTS_H_ | |
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Chromium Code Reviews
Issue 1227973003:
Componentize //chrome/browser/prefs/tracked. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master