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// Copyright 2020 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_PHONEHUB_CROS_STATE_SENDER_H_
#define CHROMEOS_ASH_COMPONENTS_PHONEHUB_CROS_STATE_SENDER_H_
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chromeos/ash/components/phonehub/public/cpp/attestation_certificate_generator.h"
#include "chromeos/ash/services/multidevice_setup/public/cpp/multidevice_setup_client.h"
#include "chromeos/ash/services/secure_channel/public/cpp/client/connection_manager.h"
namespace ash::phonehub {
class MessageSender;
class PhoneModel;
// Responsible for sending the Chrome OS's device state to the user's
// phone.
class CrosStateSender
: public secure_channel::ConnectionManager::Observer,
public multidevice_setup::MultiDeviceSetupClient::Observer,
public AttestationCertificateGenerator::Observer {
public:
CrosStateSender(
MessageSender* message_sender,
secure_channel::ConnectionManager* connection_manager,
multidevice_setup::MultiDeviceSetupClient* multidevice_setup_client,
PhoneModel* phone_model,
std::unique_ptr<AttestationCertificateGenerator>
attestation_certificate_generator);
~CrosStateSender() override;
private:
friend class CrosStateSenderTest;
CrosStateSender(
MessageSender* message_sender,
secure_channel::ConnectionManager* connection_manager,
multidevice_setup::MultiDeviceSetupClient* multidevice_setup_client,
PhoneModel* phone_model,
std::unique_ptr<base::OneShotTimer> timer,
std::unique_ptr<AttestationCertificateGenerator>
attestation_certificate_generator);
void AttemptUpdateCrosState();
// secure_channel::ConnectionManager::Observer:
void OnConnectionStatusChanged() override;
// MultiDeviceSetupClient::Observer:
void OnFeatureStatesChanged(
const multidevice_setup::MultiDeviceSetupClient::FeatureStatesMap&
feature_states_map) override;
// AttestationCertificateGenerator::Observer:
void OnCertificateGenerated(const std::vector<std::string>& attestation_certs,
bool is_valid) override;
// Sends the cros state to the phone, and initiates a retry after
// |retry_delay_| if the message was not successfully sent.
void PerformUpdateCrosState();
void OnRetryTimerFired();
void SendCrosStateMessage(const std::vector<std::string>* attestation_certs);
void RecordResultMetrics(bool is_attestation_certificate_valid);
bool is_certificate_requested_ = false;
raw_ptr<MessageSender> message_sender_;
raw_ptr<secure_channel::ConnectionManager> connection_manager_;
raw_ptr<multidevice_setup::MultiDeviceSetupClient> multidevice_setup_client_;
raw_ptr<PhoneModel> phone_model_;
std::unique_ptr<base::OneShotTimer> retry_timer_;
base::TimeDelta retry_delay_;
std::unique_ptr<AttestationCertificateGenerator>
attestation_certificate_generator_;
base::Time attestation_generating_start_time_;
base::WeakPtrFactory<CrosStateSender> weak_ptr_factory_{this};
};
} // namespace ash::phonehub
#endif // CHROMEOS_ASH_COMPONENTS_PHONEHUB_CROS_STATE_SENDER_H_
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