| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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; |
| } |