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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 RLZ_CHROMEOS_LIB_RLZ_VALUE_STORE_CHROMEOS_H_ | 5 #ifndef RLZ_CHROMEOS_LIB_RLZ_VALUE_STORE_CHROMEOS_H_ |
6 #define RLZ_CHROMEOS_LIB_RLZ_VALUE_STORE_CHROMEOS_H_ | 6 #define RLZ_CHROMEOS_LIB_RLZ_VALUE_STORE_CHROMEOS_H_ |
7 | 7 |
8 #include "base/prefs/persistent_pref_store.h" | 8 #include "base/file_path.h" |
9 #include "base/threading/non_thread_safe.h" | 9 #include "base/threading/non_thread_safe.h" |
| 10 #include "base/values.h" |
10 #include "rlz/lib/rlz_value_store.h" | 11 #include "rlz/lib/rlz_value_store.h" |
11 | 12 |
12 namespace base { | 13 namespace base { |
13 class ListValue; | 14 class ListValue; |
14 class SequencedTaskRunner; | 15 class SequencedTaskRunner; |
15 class Value; | 16 class Value; |
16 } | 17 } |
17 | 18 |
18 template <typename T> struct DefaultSingletonTraits; | |
19 | |
20 namespace rlz_lib { | 19 namespace rlz_lib { |
21 | 20 |
22 // An implementation of RlzValueStore for ChromeOS. Unlike Mac and Win | 21 // An implementation of RlzValueStore for ChromeOS. |
23 // counterparts, it's non thread-safe and should only be accessed on a single | 22 class RlzValueStoreChromeOS : public RlzValueStore, |
24 // Thread instance that has a MessageLoop. | 23 public base::NonThreadSafe { |
25 class RlzValueStoreChromeOS : public RlzValueStore { | |
26 public: | 24 public: |
27 static RlzValueStoreChromeOS* GetInstance(); | 25 // // Sets the task runner that will be used by ImportantFileWriter for write |
| 26 // // operations. |
| 27 // static void SetFileTaskRunner(base::SequencedTaskRunner* file_task_runner); |
28 | 28 |
29 // Sets the MessageLoopProxy that underlying PersistentPrefStore will post I/O | 29 // Creates new instance and synchronously reads data from file. |
30 // tasks to. Must be called before the first GetInstance() call. | 30 RlzValueStoreChromeOS(const FilePath& store_path); |
31 static void SetIOTaskRunner(base::SequencedTaskRunner* io_task_runner); | 31 virtual ~RlzValueStoreChromeOS(); |
32 | |
33 // Must be invoked during shutdown to commit pending I/O. | |
34 static void Cleanup(); | |
35 | |
36 // Resets the store to its initial state. Should only be used for testing. | |
37 // Same restrictions as for calling GetInstance() for the first time apply, | |
38 // i.e. must call SetIOTaskRunner first. | |
39 static void ResetForTesting(); | |
40 | 32 |
41 // RlzValueStore overrides: | 33 // RlzValueStore overrides: |
42 virtual bool HasAccess(AccessType type) OVERRIDE; | 34 virtual bool HasAccess(AccessType type) OVERRIDE; |
43 | 35 |
44 virtual bool WritePingTime(Product product, int64 time) OVERRIDE; | 36 virtual bool WritePingTime(Product product, int64 time) OVERRIDE; |
45 virtual bool ReadPingTime(Product product, int64* time) OVERRIDE; | 37 virtual bool ReadPingTime(Product product, int64* time) OVERRIDE; |
46 virtual bool ClearPingTime(Product product) OVERRIDE; | 38 virtual bool ClearPingTime(Product product) OVERRIDE; |
47 | 39 |
48 virtual bool WriteAccessPointRlz(AccessPoint access_point, | 40 virtual bool WriteAccessPointRlz(AccessPoint access_point, |
49 const char* new_rlz) OVERRIDE; | 41 const char* new_rlz) OVERRIDE; |
(...skipping 11 matching lines...) Expand all Loading... |
61 | 53 |
62 virtual bool AddStatefulEvent(Product product, | 54 virtual bool AddStatefulEvent(Product product, |
63 const char* event_rlz) OVERRIDE; | 55 const char* event_rlz) OVERRIDE; |
64 virtual bool IsStatefulEvent(Product product, | 56 virtual bool IsStatefulEvent(Product product, |
65 const char* event_rlz) OVERRIDE; | 57 const char* event_rlz) OVERRIDE; |
66 virtual bool ClearAllStatefulEvents(Product product) OVERRIDE; | 58 virtual bool ClearAllStatefulEvents(Product product) OVERRIDE; |
67 | 59 |
68 virtual void CollectGarbage() OVERRIDE; | 60 virtual void CollectGarbage() OVERRIDE; |
69 | 61 |
70 private: | 62 private: |
71 friend struct DefaultSingletonTraits<RlzValueStoreChromeOS>; | 63 // Reads RLZ store from file. |
| 64 void ReadStore(); |
72 | 65 |
73 // Used by JsonPrefStore for write operations. | 66 // Writes RLZ store back to file. |
74 static base::SequencedTaskRunner* io_task_runner_; | 67 void WriteStore(); |
75 | 68 |
76 static bool created_; | |
77 | |
78 RlzValueStoreChromeOS(); | |
79 virtual ~RlzValueStoreChromeOS(); | |
80 | |
81 // Initializes RLZ store. | |
82 void ReadPrefs(); | |
83 | |
84 // Retrieves list at path |list_name| from JSON store. | |
85 base::ListValue* GetList(std::string list_name); | |
86 // Adds |value| to list at |list_name| path in JSON store. | 69 // Adds |value| to list at |list_name| path in JSON store. |
87 bool AddValueToList(std::string list_name, base::Value* value); | 70 bool AddValueToList(std::string list_name, base::Value* value); |
88 // Removes |value| from list at |list_name| path in JSON store. | 71 // Removes |value| from list at |list_name| path in JSON store. |
89 bool RemoveValueFromList(std::string list_name, const base::Value& value); | 72 bool RemoveValueFromList(std::string list_name, const base::Value& value); |
90 | 73 |
91 // Store with RLZ data. | 74 // In-memory store with RLZ data. |
92 scoped_refptr<PersistentPrefStore> rlz_store_; | 75 scoped_ptr<base::DictionaryValue> rlz_store_; |
| 76 |
| 77 FilePath store_path_; |
| 78 |
| 79 bool read_only_; |
93 | 80 |
94 DISALLOW_COPY_AND_ASSIGN(RlzValueStoreChromeOS); | 81 DISALLOW_COPY_AND_ASSIGN(RlzValueStoreChromeOS); |
95 }; | 82 }; |
96 | 83 |
97 } // namespace rlz_lib | 84 } // namespace rlz_lib |
98 | 85 |
99 #endif // RLZ_CHROMEOS_LIB_RLZ_VALUE_STORE_CHROMEOS_H_ | 86 #endif // RLZ_CHROMEOS_LIB_RLZ_VALUE_STORE_CHROMEOS_H_ |
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