qt-everywhere-src-5.15.1/qtlocation/src/plugins/geoservices/osm/qgeomapreplyosm.cpp

/****************************************************************************
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** Copyright (C) 2016 Aaron McCarthy <mccarthy.aaron@gmail.com>
** Contact: https://www.qt.io/licensing/
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** This file is part of the QtLocation module of the Qt Toolkit.
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#include "qgeomapreplyosm.h"

#include <QtLocation/private/qgeotilespec_p.h>

QGeoMapReplyOsm::QGeoMapReplyOsm(QNetworkReply *reply,
                                 const QGeoTileSpec &spec,
                                 const QString &imageFormat,
                                 QObject *parent)
:   QGeoTiledMapReply(spec, parent)
{
    if (!reply) {
        setError(UnknownError, QStringLiteral("Null reply"));
        return;
    }
    connect(reply, SIGNAL(finished()), this, SLOT(networkReplyFinished()));
    connect(reply, SIGNAL(errorOccurred(QNetworkReply::NetworkError)),
            this, SLOT(networkReplyError(QNetworkReply::NetworkError)));
    connect(this, &QGeoTiledMapReply::aborted, reply, &QNetworkReply::abort);
    connect(this, &QObject::destroyed, reply, &QObject::deleteLater);
    setMapImageFormat(imageFormat);
}

QGeoMapReplyOsm::~QGeoMapReplyOsm()
{
}

void QGeoMapReplyOsm::networkReplyFinished()
{
    QNetworkReply *reply = static_cast<QNetworkReply *>(sender());
    reply->deleteLater();

    if (reply->error() != QNetworkReply::NoError) // Already handled in networkReplyError
        return;

    QByteArray a = reply->readAll();

    setMapImageData(a);
    setFinished(true);
}

void QGeoMapReplyOsm::networkReplyError(QNetworkReply::NetworkError error)
{
    QNetworkReply *reply = static_cast<QNetworkReply *>(sender());
    reply->deleteLater();
    if (error == QNetworkReply::OperationCanceledError)
        setFinished(true);
    else
        setError(QGeoTiledMapReply::CommunicationError, reply->errorString());

}