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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.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::UnknownSourceError;
}
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