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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #ifndef SATELLITEMODEL_H
++ #define SATELLITEMODEL_H
++
++ #include <QAbstractListModel>
++ #include <QGeoSatelliteInfo>
++ #include <QtQml/qqmlregistration.h>
++
++ #include <utility>
++
++ //! [0]
++ class SatelliteModel : public QAbstractListModel
++ {
++ Q_OBJECT
++ Q_PROPERTY(int size READ rowCount NOTIFY sizeChanged)
++ QML_ELEMENT
++ public:
++ explicit SatelliteModel(QObject *parent = nullptr);
++
++ int rowCount(const QModelIndex &parent = QModelIndex()) const override;
++ QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
++ QHash<int, QByteArray> roleNames() const override;
++
++ public slots:
++ void updateSatellitesInView(const QList<QGeoSatelliteInfo> &inView);
++ void updateSatellitesInUse(const QList<QGeoSatelliteInfo> &inUse);
++
++ signals:
++ void sizeChanged();
++ //! [0]
++
++ private:
++ QList<QGeoSatelliteInfo> m_satellites;
++
++ using SatelliteId = int;
++ using SystemId = int;
++ using UniqueId = std::pair<SystemId, SatelliteId>;
++ static UniqueId getUid(const QGeoSatelliteInfo &info);
++ QSet<UniqueId> m_inUseIds;
++ QSet<UniqueId> m_allIds;
++ //! [1]
++ };
++ //! [1]
++
++ #endif // SATELLITEMODEL_H