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// Copyright 2021 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_ATTESTATION_ATTESTATION_FLOW_FACTORY_H_
#define CHROMEOS_ASH_COMPONENTS_ATTESTATION_ATTESTATION_FLOW_FACTORY_H_
#include <memory>
#include "base/component_export.h"
#include "chromeos/ash/components/dbus/attestation/interface.pb.h"
namespace ash {
namespace attestation {
class AttestationFlow;
class ServerProxy;
// A factory that creates a default attestation flow we should try first and a
// fallback solution if necessary.
class COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_ATTESTATION)
AttestationFlowFactory {
public:
AttestationFlowFactory();
virtual ~AttestationFlowFactory();
// Not copyable or movable.
AttestationFlowFactory(const AttestationFlowFactory&) = delete;
AttestationFlowFactory& operator=(const AttestationFlowFactory&) = delete;
AttestationFlowFactory(AttestationFlowFactory&&) = delete;
AttestationFlowFactory& operator=(AttestationFlowFactory&&) = delete;
// Initializes the necessary step prior to invocation of `GetDefault()` and
// `GetFallback()`. Can only be called once.
virtual void Initialize(std::unique_ptr<ServerProxy> server_proxy);
// Returns the default attestation flow.
virtual AttestationFlow* GetDefault();
// Returns the attestation flow used as a fallback solution.
virtual AttestationFlow* GetFallback();
private:
// The `ServerProxy` object. This is initialized in `Initialize()`.
std::unique_ptr<ServerProxy> server_proxy_;
// The default attestation flow.
std::unique_ptr<AttestationFlow> default_attestation_flow_;
// The fallback solution.
std::unique_ptr<AttestationFlow> fallback_attestation_flow_;
};
} // namespace attestation
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_ATTESTATION_ATTESTATION_FLOW_FACTORY_H_
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