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 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTING_SYNC_DATA_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTING_SYNC_DATA_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "base/values.h" 11 #include "sync/api/sync_change.h" 12 13 namespace syncer { 14 class SyncData; 15 } 16 17 namespace sync_pb { 18 class ExtensionSettingSpecifics; 19 } 20 21 namespace extensions { 22 23 // Container for data interpreted from sync data/changes for an extension or 24 // app setting. Safe and efficient to copy. 25 class SettingSyncData { 26 public: 27 // Creates from a sync change. 28 explicit SettingSyncData(const syncer::SyncChange& sync_change); 29 30 // Creates from sync data. |change_type| will be ACTION_INVALID. 31 explicit SettingSyncData(const syncer::SyncData& sync_data); 32 33 // Creates explicitly. 34 SettingSyncData( 35 syncer::SyncChange::SyncChangeType change_type, 36 const std::string& extension_id, 37 const std::string& key, 38 scoped_ptr<base::Value> value); 39 40 ~SettingSyncData(); 41 42 // Returns the type of the sync change; may be ACTION_INVALID. 43 syncer::SyncChange::SyncChangeType change_type() const; 44 45 // Returns the extension id the setting is for. 46 const std::string& extension_id() const; 47 48 // Returns the settings key. 49 const std::string& key() const; 50 51 // Returns the value of the setting. 52 const base::Value& value() const; 53 54 private: 55 // Ref-counted container for the data. 56 // TODO(kalman): Use browser_sync::Immutable<Internal>. 57 class Internal : public base::RefCountedThreadSafe<Internal> { 58 public: 59 Internal( 60 syncer::SyncChange::SyncChangeType change_type, 61 const std::string& extension_id, 62 const std::string& key, 63 scoped_ptr<base::Value> value); 64 65 syncer::SyncChange::SyncChangeType change_type_; 66 std::string extension_id_; 67 std::string key_; 68 scoped_ptr<base::Value> value_; 69 70 private: 71 friend class base::RefCountedThreadSafe<Internal>; 72 ~Internal(); 73 }; 74 75 // Initializes internal_ from sync data for an extension or app setting. 76 void Init(syncer::SyncChange::SyncChangeType change_type, 77 const syncer::SyncData& sync_data); 78 79 // Initializes internal_ from extension specifics. 80 void InitFromExtensionSettingSpecifics( 81 syncer::SyncChange::SyncChangeType change_type, 82 const sync_pb::ExtensionSettingSpecifics& specifics); 83 84 scoped_refptr<Internal> internal_; 85 }; 86 87 typedef std::vector<SettingSyncData> SettingSyncDataList; 88 89 } // namespace extensions 90 91 #endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTING_SYNC_DATA_H_ 92