OLD | NEW |
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_METRICS_VARIATIONS_VARIATIONS_SEED_STORE_H_ | 5 #ifndef CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SEED_STORE_H_ |
6 #define CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SEED_STORE_H_ | 6 #define CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SEED_STORE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
11 #include "base/gtest_prod_util.h" | 11 #include "base/gtest_prod_util.h" |
12 #include "base/time/time.h" | 12 #include "base/time/time.h" |
13 | 13 |
14 class PrefService; | 14 class PrefService; |
15 class PrefRegistrySimple; | 15 class PrefRegistrySimple; |
16 | 16 |
17 namespace variations { | 17 namespace chrome_variations { |
| 18 |
18 class VariationsSeed; | 19 class VariationsSeed; |
19 } | |
20 | |
21 namespace chrome_variations { | |
22 | 20 |
23 // VariationsSeedStore is a helper class for reading and writing the variations | 21 // VariationsSeedStore is a helper class for reading and writing the variations |
24 // seed from Local State. | 22 // seed from Local State. |
25 class VariationsSeedStore { | 23 class VariationsSeedStore { |
26 public: | 24 public: |
27 explicit VariationsSeedStore(PrefService* local_state); | 25 explicit VariationsSeedStore(PrefService* local_state); |
28 virtual ~VariationsSeedStore(); | 26 virtual ~VariationsSeedStore(); |
29 | 27 |
30 // Loads the variations seed data from local state into |seed|. If there is a | 28 // Loads the variations seed data from local state into |seed|. If there is a |
31 // problem with loading, the pref value is cleared and false is returned. If | 29 // problem with loading, the pref value is cleared and false is returned. If |
32 // successful, |seed| will contain the loaded data and true is returned. | 30 // successful, |seed| will contain the loaded data and true is returned. |
33 bool LoadSeed(variations::VariationsSeed* seed); | 31 bool LoadSeed(VariationsSeed* seed); |
34 | 32 |
35 // Stores the given seed data (serialized protobuf data) to local state, along | 33 // Stores the given seed data (serialized protobuf data) to local state, along |
36 // with a base64-encoded digital signature for seed and the date when it was | 34 // with a base64-encoded digital signature for seed and the date when it was |
37 // fetched. The |seed_data| will be base64 encoded for storage. If the string | 35 // fetched. The |seed_data| will be base64 encoded for storage. If the string |
38 // is invalid, the existing prefs are left as is and false is returned. On | 36 // is invalid, the existing prefs are left as is and false is returned. On |
39 // success and if |parsed_seed| is not NULL, |parsed_seed| will be filled | 37 // success and if |parsed_seed| is not NULL, |parsed_seed| will be filled |
40 // with the de-serialized protobuf decoded from |seed_data|. | 38 // with the de-serialized protobuf decoded from |seed_data|. |
41 bool StoreSeedData(const std::string& seed_data, | 39 bool StoreSeedData(const std::string& seed_data, |
42 const std::string& base64_seed_signature, | 40 const std::string& base64_seed_signature, |
43 const base::Time& date_fetched, | 41 const base::Time& date_fetched, |
44 variations::VariationsSeed* parsed_seed); | 42 VariationsSeed* parsed_seed); |
45 | 43 |
46 // Updates |kVariationsSeedDate| and logs when previous date was from a | 44 // Updates |kVariationsSeedDate| and logs when previous date was from a |
47 // different day. | 45 // different day. |
48 void UpdateSeedDateAndLogDayChange(const base::Time& server_date_fetched); | 46 void UpdateSeedDateAndLogDayChange(const base::Time& server_date_fetched); |
49 | 47 |
50 // Returns the serial number of the last loaded or stored seed. | 48 // Returns the serial number of the last loaded or stored seed. |
51 const std::string& variations_serial_number() const { | 49 const std::string& variations_serial_number() const { |
52 return variations_serial_number_; | 50 return variations_serial_number_; |
53 } | 51 } |
54 | 52 |
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
87 | 85 |
88 // Cached serial number from the most recently fetched variations seed. | 86 // Cached serial number from the most recently fetched variations seed. |
89 std::string variations_serial_number_; | 87 std::string variations_serial_number_; |
90 | 88 |
91 DISALLOW_COPY_AND_ASSIGN(VariationsSeedStore); | 89 DISALLOW_COPY_AND_ASSIGN(VariationsSeedStore); |
92 }; | 90 }; |
93 | 91 |
94 } // namespace chrome_variations | 92 } // namespace chrome_variations |
95 | 93 |
96 #endif // CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SEED_STORE_H_ | 94 #endif // CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SEED_STORE_H_ |
OLD | NEW |