| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtPositioning module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
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| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| #ifndef QNMEAPOSITIONINFOSOURCE_P_H |
| #define QNMEAPOSITIONINFOSOURCE_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qnmeapositioninfosource.h" |
| #include "qgeopositioninfo.h" |
| |
| #include <QObject> |
| #include <QQueue> |
| #include <QPointer> |
| #include <QtCore/qtimer.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QBasicTimer; |
| class QTimerEvent; |
| class QTimer; |
| |
| class QNmeaReader; |
| struct QPendingGeoPositionInfo |
| { |
| QGeoPositionInfo info; |
| bool hasFix; |
| }; |
| |
| |
| class QNmeaPositionInfoSourcePrivate : public QObject |
| { |
| Q_OBJECT |
| public: |
| QNmeaPositionInfoSourcePrivate(QNmeaPositionInfoSource *parent, QNmeaPositionInfoSource::UpdateMode updateMode); |
| ~QNmeaPositionInfoSourcePrivate(); |
| |
| void startUpdates(); |
| void stopUpdates(); |
| void requestUpdate(int msec); |
| |
| bool parsePosInfoFromNmeaData(const char *data, |
| int size, |
| QGeoPositionInfo *posInfo, |
| bool *hasFix); |
| |
| void notifyNewUpdate(QGeoPositionInfo *update, bool fixStatus); |
| |
| QNmeaPositionInfoSource::UpdateMode m_updateMode; |
| QPointer<QIODevice> m_device; |
| QGeoPositionInfo m_lastUpdate; |
| bool m_invokedStart; |
| QGeoPositionInfoSource::Error m_positionError; |
| double m_userEquivalentRangeError; |
| |
| public Q_SLOTS: |
| void readyRead(); |
| |
| protected: |
| void timerEvent(QTimerEvent *event); |
| |
| private Q_SLOTS: |
| void emitPendingUpdate(); |
| void sourceDataClosed(); |
| void updateRequestTimeout(); |
| |
| private: |
| bool openSourceDevice(); |
| bool initialize(); |
| void prepareSourceDevice(); |
| void emitUpdated(const QGeoPositionInfo &update); |
| |
| QNmeaPositionInfoSource *m_source; |
| QNmeaReader *m_nmeaReader; |
| QGeoPositionInfo m_pendingUpdate; |
| QDate m_currentDate; |
| QBasicTimer *m_updateTimer; // the timer used in startUpdates() |
| QTimer *m_requestTimer; // the timer used in requestUpdate() |
| qreal m_horizontalAccuracy; |
| qreal m_verticalAccuracy; |
| bool m_noUpdateLastInterval; |
| bool m_updateTimeoutSent; |
| bool m_connectedReadyRead; |
| }; |
| |
| |
| class QNmeaReader |
| { |
| public: |
| explicit QNmeaReader(QNmeaPositionInfoSourcePrivate *sourcePrivate) |
| : m_proxy(sourcePrivate) {} |
| virtual ~QNmeaReader() {} |
| |
| virtual void readAvailableData() = 0; |
| |
| protected: |
| QNmeaPositionInfoSourcePrivate *m_proxy; |
| }; |
| |
| |
| class QNmeaRealTimeReader : public QNmeaReader |
| { |
| public: |
| explicit QNmeaRealTimeReader(QNmeaPositionInfoSourcePrivate *sourcePrivate); |
| virtual void readAvailableData(); |
| void notifyNewUpdate(); |
| |
| // Data members |
| QGeoPositionInfo m_update; |
| QDateTime m_lastPushedTS; |
| bool m_updateParsed = false; |
| bool m_hasFix = false; |
| QTimer m_timer; |
| int m_pushDelay = -1; |
| }; |
| |
| |
| class QNmeaSimulatedReader : public QObject, public QNmeaReader |
| { |
| Q_OBJECT |
| public: |
| explicit QNmeaSimulatedReader(QNmeaPositionInfoSourcePrivate *sourcePrivate); |
| ~QNmeaSimulatedReader(); |
| virtual void readAvailableData(); |
| |
| protected: |
| virtual void timerEvent(QTimerEvent *event); |
| |
| private Q_SLOTS: |
| void simulatePendingUpdate(); |
| |
| private: |
| bool setFirstDateTime(); |
| void processNextSentence(); |
| |
| QQueue<QPendingGeoPositionInfo> m_pendingUpdates; |
| QByteArray m_nextLine; |
| int m_currTimerId; |
| bool m_hasValidDateTime; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |