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_THEMES_THEME_SYNCABLE_SERVICE_H_ 6 #define CHROME_BROWSER_THEMES_THEME_SYNCABLE_SERVICE_H_ 7 8 #include "base/gtest_prod_util.h" 9 #include "base/threading/thread_checker.h" 10 #include "sync/api/sync_change.h" 11 #include "sync/api/sync_data.h" 12 #include "sync/api/sync_error_factory.h" 13 #include "sync/api/sync_error.h" 14 #include "sync/api/syncable_service.h" 15 16 class Profile; 17 class ThemeService; 18 class ThemeSyncableServiceTest; 19 20 namespace sync_pb { 21 class ThemeSpecifics; 22 } 23 24 class ThemeSyncableService : public syncer::SyncableService { 25 public: 26 ThemeSyncableService(Profile* profile, // Same profile used by theme_service. 27 ThemeService* theme_service); 28 virtual ~ThemeSyncableService(); 29 model_type()30 static syncer::ModelType model_type() { return syncer::THEMES; } 31 32 // Called by ThemeService when user changes theme. 33 void OnThemeChange(); 34 35 // syncer::SyncableService implementation. 36 virtual syncer::SyncMergeResult MergeDataAndStartSyncing( 37 syncer::ModelType type, 38 const syncer::SyncDataList& initial_sync_data, 39 scoped_ptr<syncer::SyncChangeProcessor> sync_processor, 40 scoped_ptr<syncer::SyncErrorFactory> error_handler) OVERRIDE; 41 virtual void StopSyncing(syncer::ModelType type) OVERRIDE; 42 virtual syncer::SyncDataList GetAllSyncData( 43 syncer::ModelType type) const OVERRIDE; 44 virtual syncer::SyncError ProcessSyncChanges( 45 const tracked_objects::Location& from_here, 46 const syncer::SyncChangeList& change_list) OVERRIDE; 47 48 // Client tag and tile of theme node in sync. 49 static const char kCurrentThemeClientTag[]; 50 static const char kCurrentThemeNodeTitle[]; 51 52 private: 53 static bool AreThemeSpecificsEqual( 54 const sync_pb::ThemeSpecifics& a, 55 const sync_pb::ThemeSpecifics& b, 56 bool is_system_theme_distinct_from_default_theme); 57 58 // Set theme from theme specifics in |sync_data| using 59 // SetCurrentThemeFromThemeSpecifics() if it's different from |current_specs|. 60 void MaybeSetTheme(const sync_pb::ThemeSpecifics& current_specs, 61 const syncer::SyncData& sync_data); 62 63 void SetCurrentThemeFromThemeSpecifics( 64 const sync_pb::ThemeSpecifics& theme_specifics); 65 66 // If the current theme is syncable, fills in the passed |theme_specifics| 67 // structure based on the currently applied theme and returns |true|. 68 // Otherwise returns |false|. 69 bool GetThemeSpecificsFromCurrentTheme( 70 sync_pb::ThemeSpecifics* theme_specifics) const; 71 72 // Updates theme specifics in sync to |theme_specifics|. 73 syncer::SyncError ProcessNewTheme( 74 syncer::SyncChange::SyncChangeType change_type, 75 const sync_pb::ThemeSpecifics& theme_specifics); 76 77 Profile* const profile_; 78 ThemeService* const theme_service_; 79 80 scoped_ptr<syncer::SyncChangeProcessor> sync_processor_; 81 scoped_ptr<syncer::SyncErrorFactory> sync_error_handler_; 82 83 // Persist use_system_theme_by_default for platforms that use it, even if 84 // we're not on one. 85 bool use_system_theme_by_default_; 86 87 base::ThreadChecker thread_checker_; 88 89 FRIEND_TEST_ALL_PREFIXES(ThemeSyncableServiceTest, AreThemeSpecificsEqual); 90 91 DISALLOW_COPY_AND_ASSIGN(ThemeSyncableService); 92 }; 93 94 #endif // CHROME_BROWSER_THEMES_THEME_SYNCABLE_SERVICE_H_ 95