chromium/device/fido/win/util.h

// 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 DEVICE_FIDO_WIN_UTIL_H_
#define DEVICE_FIDO_WIN_UTIL_H_

#include "base/component_export.h"
#include "base/functional/callback_forward.h"

namespace device::fido::win {

// Determines whether Windows Hello can use a biometric device to perform user
// verification.
void COMPONENT_EXPORT(DEVICE_FIDO)
    DeviceHasBiometricsAvailable(base::OnceCallback<void(bool)> callback);

// Allows overriding `DeviceHasBiometricsAvailable` in testing.
class COMPONENT_EXPORT(DEVICE_FIDO) ScopedBiometricsOverride {
 public:
  explicit ScopedBiometricsOverride(bool has_biometrics);
  ScopedBiometricsOverride(const ScopedBiometricsOverride&) = delete;
  ScopedBiometricsOverride& operator=(const ScopedBiometricsOverride&) = delete;
  ~ScopedBiometricsOverride();
};

}  // namespace device::fido::win

#endif  // DEVICE_FIDO_WIN_UTIL_H_