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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SYNC_PROFILE_SYNC_COMPONENTS_FACTORY_H__
#define CHROME_BROWSER_SYNC_PROFILE_SYNC_COMPONENTS_FACTORY_H__
#include <string>
#include "base/memory/weak_ptr.h"
#include "chrome/browser/sync/glue/data_type_controller.h"
#include "chrome/browser/sync/glue/data_type_error_handler.h"
#include "sync/api/sync_merge_result.h"
#include "sync/internal_api/public/util/unrecoverable_error_handler.h"
#include "sync/internal_api/public/util/weak_handle.h"
class FailedDatatypesHandler;
class PasswordStore;
class ProfileSyncService;
class WebDataService;
namespace browser_sync {
class AssociatorInterface;
class ChangeProcessor;
class DataTypeManager;
class DataTypeManagerObserver;
class GenericChangeProcessor;
class SharedChangeProcessor;
class SyncBackendHost;
class DataTypeErrorHandler;
}
namespace syncer {
class DataTypeDebugInfoListener;
class SyncableService;
}
namespace history {
class HistoryBackend;
}
// Factory class for all profile sync related classes.
class ProfileSyncComponentsFactory {
public:
// The various factory methods for the data type model associators
// and change processors all return this struct. This is needed
// because the change processors typically require a type-specific
// model associator at construction time.
//
// Note: This interface is deprecated in favor of the SyncableService API.
// New datatypes that do not live on the UI thread should directly return a
// weak pointer to a syncer::SyncableService. All others continue to return
// SyncComponents. It is safe to assume that the factory methods below are
// called on the same thread in which the datatype resides.
//
// TODO(zea): Have all datatypes using the new API switch to returning
// SyncableService weak pointers instead of SyncComponents (crbug.com/100114).
struct SyncComponents {
browser_sync::AssociatorInterface* model_associator;
browser_sync::ChangeProcessor* change_processor;
SyncComponents(browser_sync::AssociatorInterface* ma,
browser_sync::ChangeProcessor* cp)
: model_associator(ma), change_processor(cp) {}
};
virtual ~ProfileSyncComponentsFactory() {}
// Creates and registers enabled datatypes with the provided
// ProfileSyncService.
virtual void RegisterDataTypes(ProfileSyncService* pss) = 0;
// Instantiates a new DataTypeManager with a SyncBackendHost, a list of data
// type controllers and a DataTypeManagerObserver. The return pointer is
// owned by the caller.
virtual browser_sync::DataTypeManager* CreateDataTypeManager(
const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
debug_info_listener,
browser_sync::SyncBackendHost* backend,
const browser_sync::DataTypeController::TypeMap* controllers,
browser_sync::DataTypeManagerObserver* observer,
const FailedDatatypesHandler* failed_datatypes_handler) = 0;
// Creating this in the factory helps us mock it out in testing.
virtual browser_sync::GenericChangeProcessor* CreateGenericChangeProcessor(
ProfileSyncService* profile_sync_service,
browser_sync::DataTypeErrorHandler* error_handler,
const base::WeakPtr<syncer::SyncableService>& local_service,
const base::WeakPtr<syncer::SyncMergeResult>& merge_result) = 0;
virtual browser_sync::SharedChangeProcessor*
CreateSharedChangeProcessor() = 0;
// Returns a weak pointer to the syncable service specified by |type|.
// Weak pointer may be unset if service is already destroyed.
// Note: Should only be called on the same thread on which a datatype resides.
virtual base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType(
syncer::ModelType type) = 0;
// Legacy datatypes that need to be converted to the SyncableService API.
virtual SyncComponents CreateBookmarkSyncComponents(
ProfileSyncService* profile_sync_service,
browser_sync::DataTypeErrorHandler* error_handler) = 0;
virtual SyncComponents CreatePasswordSyncComponents(
ProfileSyncService* profile_sync_service,
PasswordStore* password_store,
browser_sync::DataTypeErrorHandler* error_handler) = 0;
virtual SyncComponents CreateTypedUrlSyncComponents(
ProfileSyncService* profile_sync_service,
history::HistoryBackend* history_backend,
browser_sync::DataTypeErrorHandler* error_handler) = 0;
virtual SyncComponents CreateSessionSyncComponents(
ProfileSyncService* profile_sync_service,
browser_sync::DataTypeErrorHandler* error_handler) = 0;
};
#endif // CHROME_BROWSER_SYNC_PROFILE_SYNC_COMPONENTS_FACTORY_H__
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