VehicleSigningController.h

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#pragma once
 
#include <QtCore/QBindable>
#include <QtCore/QByteArrayView>
#include <QtCore/QObject>
#include <QtCore/QObjectBindableProperty>
#include <QtCore/QPointer>
#include <QtCore/QString>
#include <QtCore/QTimer>
#include <QtQmlIntegration/QtQmlIntegration>
 
#include "LinkInterface.h"
#include "MAVLinkSigning.h"
#include "SigningFailure.h"
#include "SigningStatus.h"
 
class SigningController;
class Vehicle;
 
 
class VehicleSigningController : public QObject
{
    Q_OBJECT
    QML_ELEMENT
    QML_UNCREATABLE("")
 
public:
    Q_PROPERTY(
        SigningStatus signingStatus READ signingStatus BINDABLE bindableSigningStatus NOTIFY signingStatusChanged)
 
    explicit VehicleSigningController(Vehicle* vehicle);
    ~VehicleSigningController() override;
 
    SigningStatus signingStatus() const { return _signingStatus.value(); }
 
    QBindable<SigningStatus> bindableSigningStatus() { return &_signingStatus; }
 
    Q_INVOKABLE void enable(const QString& keyName);
    Q_INVOKABLE void disable();
 
signals:
    void signingStatusChanged();
    void signingFailed(SigningFailure info);
 
private slots:
    void _onPrimaryLinkChanged();
    void _onSigningStateChanged();
    void _onSigningAlertRaised(const QString& detail);
    void _onSigningConfirmed(const QString& confirmedKey);
    void _onSigningFailed(const SigningFailure& failure);
    void _onRetryTimer();
 
private:
    void _connect(SigningController* ctrl);
    void _disconnect(SigningController* ctrl);
    bool _sendSetupSigning(const SharedLinkInterfacePtr& sharedLink, QByteArrayView keyView);
    void _refreshStatus();
    void _startRetransmit();
    void _stopRetransmit();
 
    static constexpr int kRetransmitIntervalMs = 1500;
 
    Vehicle* _vehicle;
    QPointer<SigningController> _active;
    QTimer _retryTimer;
    MAVLinkSigning::SigningKey _pendingKey{};
    bool _pendingHasKey = false;
    Q_OBJECT_BINDABLE_PROPERTY(VehicleSigningController, SigningStatus, _signingStatus,
                               &VehicleSigningController::signingStatusChanged)
};