// Copyright 2019 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_SERVICES_DEVICE_SYNC_PUBLIC_CPP_CLIENT_APP_METADATA_PROVIDER_H_
#define CHROMEOS_ASH_SERVICES_DEVICE_SYNC_PUBLIC_CPP_CLIENT_APP_METADATA_PROVIDER_H_
#include <optional>
#include "base/functional/callback_forward.h"
namespace cryptauthv2 {
class ClientAppMetadata;
} // namespace cryptauthv2
namespace ash {
namespace device_sync {
// Provides the cryptauthv2::ClientAppMetadata object associated with the
// current device. cryptauthv2::ClientAppMetadata describes properties of this
// Chromebook and is not expected to change except when the OS version is
// updated.
class ClientAppMetadataProvider {
public:
ClientAppMetadataProvider() = default;
ClientAppMetadataProvider(const ClientAppMetadataProvider&) = delete;
ClientAppMetadataProvider& operator=(const ClientAppMetadataProvider&) =
delete;
virtual ~ClientAppMetadataProvider() = default;
using GetMetadataCallback = base::OnceCallback<void(
const std::optional<cryptauthv2::ClientAppMetadata>&)>;
// Fetches the ClientAppMetadata for the current device; if the operation
// fails, null is passed to the callback.
virtual void GetClientAppMetadata(const std::string& gcm_registration_id,
GetMetadataCallback callback) = 0;
};
} // namespace device_sync
} // namespace ash
#endif // CHROMEOS_ASH_SERVICES_DEVICE_SYNC_PUBLIC_CPP_CLIENT_APP_METADATA_PROVIDER_H_