chromium/ios/chrome/browser/device_reauth/ios_device_authenticator_factory.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef IOS_CHROME_BROWSER_DEVICE_REAUTH_IOS_DEVICE_AUTHENTICATOR_FACTORY_H_
#define IOS_CHROME_BROWSER_DEVICE_REAUTH_IOS_DEVICE_AUTHENTICATOR_FACTORY_H_

#import <memory>

#import "base/no_destructor.h"
#import "components/keyed_service/ios/browser_state_keyed_service_factory.h"
#import "ios/chrome/browser/shared/model/profile/profile_ios_forward.h"

class DeviceAuthenticatorProxy;
class IOSDeviceAuthenticator;

namespace device_reauth {
class DeviceAuthParams;
}

@protocol ReauthenticationProtocol;

// Singleton that owns all DeviceAuthenticatorProxy and associates them with
// ChromeBrowserState.
class DeviceAuthenticatorProxyFactory : public BrowserStateKeyedServiceFactory {
 public:
  static DeviceAuthenticatorProxyFactory* GetInstance();

  static DeviceAuthenticatorProxy* GetForBrowserState(
      ChromeBrowserState* browser_state);

 private:
  friend class base::NoDestructor<DeviceAuthenticatorProxyFactory>;

  friend std::unique_ptr<IOSDeviceAuthenticator> CreateIOSDeviceAuthenticator(
      id<ReauthenticationProtocol> reauth_module,
      ChromeBrowserState* browser_state,
      const device_reauth::DeviceAuthParams& params);

  DeviceAuthenticatorProxyFactory();
  ~DeviceAuthenticatorProxyFactory() override;

  // BrowserStateKeyedServiceFactory:
  std::unique_ptr<KeyedService> BuildServiceInstanceFor(
      web::BrowserState* context) const override;
  web::BrowserState* GetBrowserStateToUse(
      web::BrowserState* context) const override;
};

// Creates an IOSDeviceAuthenticator. It is built on top of a
// DeviceAuthenticatorProxy. `reauth_module` is the component that provides the
// device reauth functionalities. `browser_state` is the ChromeBrowserState the
// underlying DeviceAuthenticatorProxy is attached to. `params` contains configs
// for the authentication.
std::unique_ptr<IOSDeviceAuthenticator> CreateIOSDeviceAuthenticator(
    id<ReauthenticationProtocol> reauth_module,
    ChromeBrowserState* browser_state,
    const device_reauth::DeviceAuthParams& params);

#endif  // IOS_CHROME_BROWSER_DEVICE_REAUTH_IOS_DEVICE_AUTHENTICATOR_FACTORY_H_