QGeoTileFetcherQGC.cpp

/****************************************************************************
**
** Copyright (C) 2013 Aaron McCarthy <mccarthy.aaron@gmail.com>
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtLocation module of the Qt Toolkit.
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** 2015.4.4
** Adapted for use with QGroundControl
**
** Gus Grubba <mavlink@grubba.com>
**
****************************************************************************/

#include "QGCMapEngine.h"
#include "QGeoTileFetcherQGC.h"
#include "QGeoMapReplyQGC.h"

#include <QtCore/QLocale>
#include <QtNetwork/QNetworkRequest>
#include <QtLocation/private/qgeotilespec_p.h>

//-----------------------------------------------------------------------------
QGeoTileFetcherQGC::QGeoTileFetcherQGC(QGeoTiledMappingManagerEngine *parent)
    : QGeoTileFetcher(parent)
    , _networkManager(new QNetworkAccessManager(this))
{
    //-- Check internet status every 30 seconds or so
    connect(&_timer, &QTimer::timeout, this, &QGeoTileFetcherQGC::timeout);
    _timer.setSingleShot(false);
    _timer.start(30000);
}

//-----------------------------------------------------------------------------
QGeoTileFetcherQGC::~QGeoTileFetcherQGC()
{

}

//-----------------------------------------------------------------------------
QGeoTiledMapReply*
QGeoTileFetcherQGC::getTileImage(const QGeoTileSpec &spec)
{
    //-- Build URL
    QNetworkRequest request = getQGCMapEngine()->urlFactory()->getTileURL(spec.mapId(), spec.x(), spec.y(), spec.zoom(), _networkManager);
    if ( ! request.url().isEmpty() ) {
        return new QGeoTiledMapReplyQGC(_networkManager, request, spec);
    }
    else {
        return nullptr;
    }
}

//-----------------------------------------------------------------------------
void
QGeoTileFetcherQGC::timeout()
{
    getQGCMapEngine()->testInternet();
}