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// Copyright 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.
//
// InternalComponentsFactory exists so that tests can override creation of
// components used by the SyncManager that are not exposed across the sync
// API boundary.
#ifndef SYNC_INTERNAL_API_PUBLIC_INTERNAL_COMPONENTS_FACTORY_H_
#define SYNC_INTERNAL_API_PUBLIC_INTERNAL_COMPONENTS_FACTORY_H_
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "sync/base/sync_export.h"
#include "sync/internal_api/public/engine/model_safe_worker.h"
namespace syncer {
class ExtensionsActivityMonitor;
class ServerConnectionManager;
class SyncEngineEventListener;
class SyncScheduler;
class TrafficRecorder;
class ThrottledDataTypeTracker;
namespace sessions {
class DebugInfoGetter;
class SyncSessionContext;
}
namespace syncable {
class Directory;
class DirectoryBackingStore;
}
class SYNC_EXPORT InternalComponentsFactory {
public:
enum EncryptionMethod {
ENCRYPTION_LEGACY,
// Option to enable support for keystore key based encryption.
ENCRYPTION_KEYSTORE
};
enum BackoffOverride {
BACKOFF_NORMAL,
// Use this value for integration testing to avoid long delays /
// timing out tests. Uses kInitialBackoffShortRetrySeconds (see
// polling_constants.h) for all initial retries.
BACKOFF_SHORT_INITIAL_RETRY_OVERRIDE
};
// Configuration options for internal components. This struct is expected
// to grow and shrink over time with transient features / experiments,
// roughly following command line flags in chrome. Implementations of
// InternalComponentsFactory can use this information to build components
// with appropriate bells and whistles.
struct Switches {
EncryptionMethod encryption_method;
BackoffOverride backoff_override;
};
virtual ~InternalComponentsFactory() {}
virtual scoped_ptr<SyncScheduler> BuildScheduler(
const std::string& name,
sessions::SyncSessionContext* context) = 0;
virtual scoped_ptr<sessions::SyncSessionContext> BuildContext(
ServerConnectionManager* connection_manager,
syncable::Directory* directory,
const std::vector<ModelSafeWorker*>& workers,
ExtensionsActivityMonitor* monitor,
ThrottledDataTypeTracker* throttled_data_type_tracker,
const std::vector<SyncEngineEventListener*>& listeners,
sessions::DebugInfoGetter* debug_info_getter,
TrafficRecorder* traffic_recorder,
const std::string& invalidator_client_id) = 0;
virtual scoped_ptr<syncable::DirectoryBackingStore>
BuildDirectoryBackingStore(
const std::string& dir_name,
const base::FilePath& backing_filepath) = 0;
// Returns the Switches struct that this object is using as configuration, if
// the implementation is making use of one.
virtual Switches GetSwitches() const = 0;
};
} // namespace syncer
#endif // SYNC_INTERNAL_API_PUBLIC_INTERNAL_COMPONENTS_FACTORY_H_
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