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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 CONTENT_BROWSER_WEBID_DIGITAL_CREDENTIALS_CROSS_DEVICE_REQUEST_DISPATCHER_H_
#define CONTENT_BROWSER_WEBID_DIGITAL_CREDENTIALS_CROSS_DEVICE_REQUEST_DISPATCHER_H_
#include <optional>
#include <utility>
#include <variant>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/types/expected.h"
#include "content/common/content_export.h"
#include "content/public/browser/cross_device_request_info.h"
#include "content/public/browser/digital_credentials_cross_device.h"
#include "device/fido/fido_discovery_base.h"
namespace device {
class FidoAuthenticator;
}
namespace content::digital_credentials::cross_device {
// A RequestDispatcher fetches an identity document from a mobile
// device.
class CONTENT_EXPORT RequestDispatcher : device::FidoDiscoveryBase::Observer {
public:
using Error = std::variant<ProtocolError, RemoteError>;
using CompletionCallback =
base::OnceCallback<void(base::expected<Response, Error>)>;
RequestDispatcher(std::unique_ptr<device::FidoDiscoveryBase> v1_discovery,
std::unique_ptr<device::FidoDiscoveryBase> v2_discovery,
RequestInfo request_info,
CompletionCallback callback);
RequestDispatcher(const RequestDispatcher&) = delete;
RequestDispatcher& operator=(const RequestDispatcher&) = delete;
~RequestDispatcher() override;
private:
// FidoDiscoveryBase::Observer:
void AuthenticatorAdded(device::FidoDiscoveryBase* discovery,
device::FidoAuthenticator* authenticator) override;
void AuthenticatorRemoved(device::FidoDiscoveryBase* discovery,
device::FidoAuthenticator* authenticator) override;
void OnAuthenticatorReady(device::FidoAuthenticator* authenticator);
void OnComplete(std::optional<std::vector<uint8_t>> response);
const std::unique_ptr<device::FidoDiscoveryBase> v1_discovery_;
const std::unique_ptr<device::FidoDiscoveryBase> v2_discovery_;
RequestInfo request_info_;
CompletionCallback callback_;
SEQUENCE_CHECKER(my_sequence_checker_);
base::WeakPtrFactory<RequestDispatcher> weak_factory_{this};
};
} // namespace content::digital_credentials::cross_device
#endif // CONTENT_BROWSER_WEBID_DIGITAL_CREDENTIALS_CROSS_DEVICE_REQUEST_DISPATCHER_H_
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