satellitemodel.h Example File

satelliteinfo/satellitemodel.h
/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
#ifndef SATELLITEMODEL_H #define SATELLITEMODEL_H #include <QAbstractListModel> #include <QSet> #include <QtQml/qqml.h> #include <QtQml/QQmlParserStatus> #include <QtPositioning/QGeoSatelliteInfoSource> QT_FORWARD_DECLARE_CLASS(QTimer) QT_FORWARD_DECLARE_CLASS(QGeoSatelliteInfoSource) class SatelliteModel : public QAbstractListModel, public QQmlParserStatus { Q_OBJECT Q_PROPERTY(bool running READ running WRITE setRunning NOTIFY runningChanged) Q_PROPERTY(bool satelliteInfoAvailable READ canProvideSatelliteInfo NOTIFY canProvideSatelliteInfoChanged) Q_PROPERTY(int entryCount READ entryCount NOTIFY entryCountChanged) Q_PROPERTY(bool singleRequestMode READ isSingleRequest WRITE setSingleRequest NOTIFY singleRequestChanged) Q_INTERFACES(QQmlParserStatus) public: explicit SatelliteModel(QObject *parent = 0); enum { IdentifierRole = Qt::UserRole + 1, InUseRole, SignalStrengthRole, ElevationRole, AzimuthRole }; //From QAbstractListModel int rowCount(const QModelIndex &parent) const; QVariant data(const QModelIndex &index, int role) const; QHash<int, QByteArray> roleNames() const; //From QQmlParserStatus void classBegin() {} void componentComplete(); bool running() const; void setRunning(bool isActive); bool isSingleRequest() const; void setSingleRequest(bool single); int entryCount() const; bool canProvideSatelliteInfo() const; signals: void runningChanged(); void entryCountChanged(); void errorFound(int code); void canProvideSatelliteInfoChanged(); void singleRequestChanged(); public slots: void clearModel(); void updateDemoData(); private slots: void error(QGeoSatelliteInfoSource::Error); void satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &infos); void satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &infos); private: QGeoSatelliteInfoSource *source; bool m_componentCompleted; bool m_running; bool m_runningRequested; QList <QGeoSatelliteInfo> knownSatellites; QSet<int> knownSatelliteIds; QSet<int> satellitesInUse; bool demo; QTimer *timer; bool isSingle; bool singleRequestServed; }; QML_DECLARE_TYPE(SatelliteModel) #endif // SATELLITEMODEL_H

© 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.