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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
#include <QtTest>
#include "logfilepositionsource.h"
LogFilePositionSource::LogFilePositionSource(QObject *parent)
: QGeoPositionInfoSource(parent),
logFile(new QFile(this)),
timer(new QTimer(this))
{
connect(timer, SIGNAL(timeout()), this, SLOT(readNextPosition()));
logFile->setFileName(QFINDTESTDATA("simplelog.txt"));
if (!logFile->open(QIODevice::ReadOnly))
qWarning() << "Error: cannot open source file" << logFile->fileName();
}
QGeoPositionInfo LogFilePositionSource::lastKnownPosition(bool /*fromSatellitePositioningMethodsOnly*/) const
{
return lastPosition;
}
LogFilePositionSource::PositioningMethods LogFilePositionSource::supportedPositioningMethods() const
{
return AllPositioningMethods;
}
int LogFilePositionSource::minimumUpdateInterval() const
{
return 200;
}
void LogFilePositionSource::startUpdates()
{
int interval = updateInterval();
if (interval < minimumUpdateInterval())
interval = minimumUpdateInterval();
timer->start(interval);
}
void LogFilePositionSource::stopUpdates()
{
timer->stop();
}
void LogFilePositionSource::requestUpdate(int /*timeout*/)
{
// For simplicity, ignore timeout - assume that if data is not available
// now, no data will be added to the file later
if (logFile->canReadLine())
readNextPosition();
else
emit updateTimeout();
}
void LogFilePositionSource::readNextPosition()
{
QByteArray line = logFile->readLine().trimmed();
if (!line.isEmpty()) {
QList<QByteArray> data = line.split(' ');
double latitude;
double longitude;
bool hasLatitude = false;
bool hasLongitude = false;
QDateTime timestamp = QDateTime::fromString(QString(data.value(0)), Qt::ISODate);
latitude = data.value(1).toDouble(&hasLatitude);
longitude = data.value(2).toDouble(&hasLongitude);
if (hasLatitude && hasLongitude && timestamp.isValid()) {
QGeoCoordinate coordinate(latitude, longitude);
QGeoPositionInfo info(coordinate, timestamp);
if (info.isValid()) {
lastPosition = info;
emit positionUpdated(info);
}
}
}
}
QGeoPositionInfoSource::Error LogFilePositionSource::error() const
{
return QGeoPositionInfoSource::NoError;
}
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