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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_DATA_MIGRATION_FILE_TRANSFER_H_
#define CHROMEOS_ASH_COMPONENTS_DATA_MIGRATION_FILE_TRANSFER_H_
#include <optional>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/ash/components/data_migration/file_receiver.h"
class NearbyConnection;
class NearbyConnectionsManager;
namespace data_migration {
class PendingFileTransferQueue;
// Pops the next pending file from the `PendingFileTransferQueue` and performs
// the file transfer. `FileTransfer` may be destroyed at any time to cancel the
// transfer.
class FileTransfer {
public:
// `completion_cb` is run at the end of the transfer with success or failure.
// Note `FileTransfer` does not handle retrying the transfer internally. It
// is the remote device's responsibility to initiate a retry as it should also
// get a failure notice for the transfer.
FileTransfer(NearbyConnection* nearby_connection,
NearbyConnectionsManager* nearby_connections_manager,
PendingFileTransferQueue& pending_file_transfer_queue,
base::OnceCallback<void(bool)> completion_cb);
FileTransfer(const FileTransfer&) = delete;
FileTransfer& operator=(const FileTransfer&) = delete;
~FileTransfer();
private:
void StartFileTransfer(int64_t payload_id);
void SendCts(int64_t payload_id);
const raw_ptr<NearbyConnection> nearby_connection_;
const raw_ptr<NearbyConnectionsManager> nearby_connections_manager_;
base::OnceCallback<void(bool)> completion_cb_;
std::optional<FileReceiver> file_receiver_;
base::WeakPtrFactory<FileTransfer> weak_ptr_factory_{this};
};
} // namespace data_migration
#endif // CHROMEOS_ASH_COMPONENTS_DATA_MIGRATION_FILE_TRANSFER_H_
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