1 // Copyright 2014 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 COMPONENTS_SYNC_DRIVER_GENERIC_CHANGE_PROCESSOR_FACTORY_H_ 6 #define COMPONENTS_SYNC_DRIVER_GENERIC_CHANGE_PROCESSOR_FACTORY_H_ 7 8 #include "base/memory/weak_ptr.h" 9 10 namespace syncer { 11 class AttachmentService; 12 class SyncableService; 13 class SyncMergeResult; 14 struct UserShare; 15 } 16 17 namespace browser_sync { 18 19 class DataTypeErrorHandler; 20 class GenericChangeProcessor; 21 class SyncApiComponentFactory; 22 23 // Because GenericChangeProcessors are created and used only from the model 24 // thread, their lifetime is strictly shorter than other components like 25 // DataTypeController, which live before / after communication with model 26 // threads begins and ends. 27 // The GCP is created "on the fly" at just the right time, on just the right 28 // thread. Given that, we use a factory to instantiate GenericChangeProcessors 29 // so that tests can choose to use a fake processor (i.e instead of injection). 30 // |sync_factory| is used to create AttachmentServicefor GenericChangeProcessor. 31 // It is not retained after CreateGenericChangeProcessor exits. 32 class GenericChangeProcessorFactory { 33 public: 34 GenericChangeProcessorFactory(); 35 virtual ~GenericChangeProcessorFactory(); 36 virtual scoped_ptr<GenericChangeProcessor> CreateGenericChangeProcessor( 37 syncer::UserShare* user_share, 38 browser_sync::DataTypeErrorHandler* error_handler, 39 const base::WeakPtr<syncer::SyncableService>& local_service, 40 const base::WeakPtr<syncer::SyncMergeResult>& merge_result, 41 SyncApiComponentFactory* sync_factory); 42 43 private: 44 DISALLOW_COPY_AND_ASSIGN(GenericChangeProcessorFactory); 45 }; 46 47 } // namespace browser_sync 48 49 #endif // COMPONENTS_SYNC_DRIVER_GENERIC_CHANGE_PROCESSOR_FACTORY_H_ 50