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-/****************************************************************************
-**
-** 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
-** 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.
-**
-** 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
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-#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) override;
-
-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);
- void readAvailableData() override;
- 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();
- void readAvailableData() override;
-
-protected:
- void timerEvent(QTimerEvent *event) override;
-
-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