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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 CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/scoped_observer.h" | 13 #include "base/scoped_observer.h" |
14 #include "base/values.h" | 14 #include "base/values.h" |
15 #include "chrome/browser/extensions/external_loader.h" | 15 #include "chrome/browser/extensions/external_loader.h" |
16 #include "components/browser_sync/profile_sync_service.h" | 16 #include "components/browser_sync/profile_sync_service.h" |
17 #include "components/sync/driver/sync_service_observer.h" | 17 #include "components/sync/driver/sync_service_observer.h" |
18 #include "components/syncable_prefs/pref_service_syncable_observer.h" | 18 #include "components/sync_preferences/pref_service_syncable_observer.h" |
19 | 19 |
20 class Profile; | 20 class Profile; |
21 | 21 |
22 namespace syncable_prefs { | 22 namespace sync_preferences { |
23 class PrefServiceSyncable; | 23 class PrefServiceSyncable; |
24 } | 24 } |
25 | 25 |
26 namespace extensions { | 26 namespace extensions { |
27 | 27 |
28 // A specialization of the ExternalLoader that uses a json file to | 28 // A specialization of the ExternalLoader that uses a json file to |
29 // look up which external extensions are registered. | 29 // look up which external extensions are registered. |
30 // Instances of this class are expected to be created and destroyed on the UI | 30 // Instances of this class are expected to be created and destroyed on the UI |
31 // thread and they are expecting public method calls from the UI thread. | 31 // thread and they are expecting public method calls from the UI thread. |
32 class ExternalPrefLoader : public ExternalLoader, | 32 class ExternalPrefLoader : public ExternalLoader, |
33 public syncable_prefs::PrefServiceSyncableObserver, | 33 public sync_preferences::PrefServiceSyncableObserver, |
34 public syncer::SyncServiceObserver { | 34 public syncer::SyncServiceObserver { |
35 public: | 35 public: |
36 enum Options { | 36 enum Options { |
37 NONE = 0, | 37 NONE = 0, |
38 | 38 |
39 // Ensure that only root can force an external install by checking | 39 // Ensure that only root can force an external install by checking |
40 // that all components of the path to external extensions files are | 40 // that all components of the path to external extensions files are |
41 // owned by root and not writable by any non-root user. | 41 // owned by root and not writable by any non-root user. |
42 ENSURE_PATH_CONTROLLED_BY_ADMIN = 1 << 0, | 42 ENSURE_PATH_CONTROLLED_BY_ADMIN = 1 << 0, |
43 | 43 |
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64 | 64 |
65 // The resource id of the base path with the information about the json | 65 // The resource id of the base path with the information about the json |
66 // file containing which extensions to load. | 66 // file containing which extensions to load. |
67 const int base_path_id_; | 67 const int base_path_id_; |
68 | 68 |
69 const Options options_; | 69 const Options options_; |
70 | 70 |
71 private: | 71 private: |
72 friend class base::RefCountedThreadSafe<ExternalLoader>; | 72 friend class base::RefCountedThreadSafe<ExternalLoader>; |
73 | 73 |
74 // syncable_prefs::PrefServiceSyncableObserver: | 74 // sync_preferences::PrefServiceSyncableObserver: |
75 void OnIsSyncingChanged() override; | 75 void OnIsSyncingChanged() override; |
76 | 76 |
77 // syncer::SyncServiceObserver | 77 // syncer::SyncServiceObserver |
78 void OnStateChanged() override; | 78 void OnStateChanged() override; |
79 | 79 |
80 // If priority sync ready posts LoadOnFileThread and return true. | 80 // If priority sync ready posts LoadOnFileThread and return true. |
81 bool PostLoadIfPrioritySyncReady(); | 81 bool PostLoadIfPrioritySyncReady(); |
82 | 82 |
83 // Post LoadOnFileThread and stop observing for sync service states. | 83 // Post LoadOnFileThread and stop observing for sync service states. |
84 void PostLoadAndRemoveObservers(); | 84 void PostLoadAndRemoveObservers(); |
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102 void ReadStandaloneExtensionPrefFiles(base::DictionaryValue* prefs); | 102 void ReadStandaloneExtensionPrefFiles(base::DictionaryValue* prefs); |
103 | 103 |
104 // The path (coresponding to |base_path_id_| containing the json files | 104 // The path (coresponding to |base_path_id_| containing the json files |
105 // describing which extensions to load. | 105 // describing which extensions to load. |
106 base::FilePath base_path_; | 106 base::FilePath base_path_; |
107 | 107 |
108 // Profile that loads these external prefs. | 108 // Profile that loads these external prefs. |
109 // Needed for waiting for waiting priority sync. | 109 // Needed for waiting for waiting priority sync. |
110 Profile* profile_; | 110 Profile* profile_; |
111 | 111 |
112 // Used for registering observer for syncable_prefs::PrefServiceSyncable. | 112 // Used for registering observer for sync_preferences::PrefServiceSyncable. |
113 ScopedObserver<syncable_prefs::PrefServiceSyncable, | 113 ScopedObserver<sync_preferences::PrefServiceSyncable, |
114 syncable_prefs::PrefServiceSyncableObserver> | 114 sync_preferences::PrefServiceSyncableObserver> |
115 syncable_pref_observer_; | 115 syncable_pref_observer_; |
116 | 116 |
117 DISALLOW_COPY_AND_ASSIGN(ExternalPrefLoader); | 117 DISALLOW_COPY_AND_ASSIGN(ExternalPrefLoader); |
118 }; | 118 }; |
119 | 119 |
120 // A simplified version of ExternalPrefLoader that loads the dictionary | 120 // A simplified version of ExternalPrefLoader that loads the dictionary |
121 // from json data specified in a string. | 121 // from json data specified in a string. |
122 class ExternalTestingLoader : public ExternalLoader { | 122 class ExternalTestingLoader : public ExternalLoader { |
123 public: | 123 public: |
124 ExternalTestingLoader(const std::string& json_data, | 124 ExternalTestingLoader(const std::string& json_data, |
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136 | 136 |
137 base::FilePath fake_base_path_; | 137 base::FilePath fake_base_path_; |
138 std::unique_ptr<base::DictionaryValue> testing_prefs_; | 138 std::unique_ptr<base::DictionaryValue> testing_prefs_; |
139 | 139 |
140 DISALLOW_COPY_AND_ASSIGN(ExternalTestingLoader); | 140 DISALLOW_COPY_AND_ASSIGN(ExternalTestingLoader); |
141 }; | 141 }; |
142 | 142 |
143 } // namespace extensions | 143 } // namespace extensions |
144 | 144 |
145 #endif // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_ | 145 #endif // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_ |
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