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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_SYNC_BACKEND_MIGRATOR_H_ | 5 #ifndef CHROME_BROWSER_SYNC_BACKEND_MIGRATOR_H_ |
6 #define CHROME_BROWSER_SYNC_BACKEND_MIGRATOR_H_ | 6 #define CHROME_BROWSER_SYNC_BACKEND_MIGRATOR_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
10 #include "base/observer_list.h" | 10 #include "base/observer_list.h" |
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43 // empty download progress markers for types | 43 // empty download progress markers for types |
44 // in |to_migrate_|. | 44 // in |to_migrate_|. |
45 REENABLING_TYPES, // Exit criteria: SYNC_CONFIGURE_DONE for enabled | 45 REENABLING_TYPES, // Exit criteria: SYNC_CONFIGURE_DONE for enabled |
46 // types. | 46 // types. |
47 }; | 47 }; |
48 | 48 |
49 // TODO(akalin): Remove the dependency on |user_share|. | 49 // TODO(akalin): Remove the dependency on |user_share|. |
50 BackendMigrator(const std::string& name, | 50 BackendMigrator(const std::string& name, |
51 syncer::UserShare* user_share, | 51 syncer::UserShare* user_share, |
52 ProfileSyncService* service, | 52 ProfileSyncService* service, |
53 DataTypeManager* manager, | 53 sync_driver::DataTypeManager* manager, |
54 const base::Closure &migration_done_callback); | 54 const base::Closure &migration_done_callback); |
55 virtual ~BackendMigrator(); | 55 virtual ~BackendMigrator(); |
56 | 56 |
57 // Starts a sequence of events that will disable and reenable |types|. | 57 // Starts a sequence of events that will disable and reenable |types|. |
58 void MigrateTypes(syncer::ModelTypeSet types); | 58 void MigrateTypes(syncer::ModelTypeSet types); |
59 | 59 |
60 void AddMigrationObserver(MigrationObserver* observer); | 60 void AddMigrationObserver(MigrationObserver* observer); |
61 bool HasMigrationObserver(MigrationObserver* observer) const; | 61 bool HasMigrationObserver(MigrationObserver* observer) const; |
62 void RemoveMigrationObserver(MigrationObserver* observer); | 62 void RemoveMigrationObserver(MigrationObserver* observer); |
63 | 63 |
64 State state() const; | 64 State state() const; |
65 | 65 |
66 // Called from ProfileSyncService to notify us of configure done. | 66 // Called from ProfileSyncService to notify us of configure done. |
67 // Note: We receive these notificiations only when our state is not IDLE. | 67 // Note: We receive these notificiations only when our state is not IDLE. |
68 void OnConfigureDone(const DataTypeManager::ConfigureResult& result); | 68 void OnConfigureDone( |
| 69 const sync_driver::DataTypeManager::ConfigureResult& result); |
69 | 70 |
70 // Returns the types that are currently pending migration (if any). | 71 // Returns the types that are currently pending migration (if any). |
71 syncer::ModelTypeSet GetPendingMigrationTypesForTest() const; | 72 syncer::ModelTypeSet GetPendingMigrationTypesForTest() const; |
72 | 73 |
73 private: | 74 private: |
74 void ChangeState(State new_state); | 75 void ChangeState(State new_state); |
75 | 76 |
76 // Must be called only in state WAITING_TO_START. If ready to | 77 // Must be called only in state WAITING_TO_START. If ready to |
77 // start, meaning the data type manager is configured, calls | 78 // start, meaning the data type manager is configured, calls |
78 // RestartMigration() and returns true. Otherwise, does nothing and | 79 // RestartMigration() and returns true. Otherwise, does nothing and |
79 // returns false. | 80 // returns false. |
80 bool TryStart(); | 81 bool TryStart(); |
81 | 82 |
82 // Restarts migration, interrupting any existing migration. | 83 // Restarts migration, interrupting any existing migration. |
83 void RestartMigration(); | 84 void RestartMigration(); |
84 | 85 |
85 // Called by OnConfigureDone(). | 86 // Called by OnConfigureDone(). |
86 void OnConfigureDoneImpl(const DataTypeManager::ConfigureResult& result); | 87 void OnConfigureDoneImpl( |
| 88 const sync_driver::DataTypeManager::ConfigureResult& result); |
87 | 89 |
88 const std::string name_; | 90 const std::string name_; |
89 syncer::UserShare* user_share_; | 91 syncer::UserShare* user_share_; |
90 ProfileSyncService* service_; | 92 ProfileSyncService* service_; |
91 DataTypeManager* manager_; | 93 sync_driver::DataTypeManager* manager_; |
92 | 94 |
93 State state_; | 95 State state_; |
94 | 96 |
95 ObserverList<MigrationObserver> migration_observers_; | 97 ObserverList<MigrationObserver> migration_observers_; |
96 | 98 |
97 syncer::ModelTypeSet to_migrate_; | 99 syncer::ModelTypeSet to_migrate_; |
98 | 100 |
99 base::Closure migration_done_callback_; | 101 base::Closure migration_done_callback_; |
100 | 102 |
101 base::WeakPtrFactory<BackendMigrator> weak_ptr_factory_; | 103 base::WeakPtrFactory<BackendMigrator> weak_ptr_factory_; |
102 | 104 |
103 DISALLOW_COPY_AND_ASSIGN(BackendMigrator); | 105 DISALLOW_COPY_AND_ASSIGN(BackendMigrator); |
104 }; | 106 }; |
105 | 107 |
106 } // namespace browser_sync | 108 } // namespace browser_sync |
107 | 109 |
108 #endif // CHROME_BROWSER_SYNC_BACKEND_MIGRATOR_H_ | 110 #endif // CHROME_BROWSER_SYNC_BACKEND_MIGRATOR_H_ |
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