Revision control
++ // Copyright (C) 2013-2018 Esri <contracts@esri.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "geotiledmapreply_esri.h"
++
++ #include <QtLocation/private/qgeotilespec_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ static const unsigned char pngSignature[] = {0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00};
++ static const unsigned char jpegSignature[] = {0xFF, 0xD8, 0xFF, 0x00};
++ static const unsigned char gifSignature[] = {0x47, 0x49, 0x46, 0x38, 0x00};
++
++ GeoTiledMapReplyEsri::GeoTiledMapReplyEsri(QNetworkReply *reply, const QGeoTileSpec &spec,
++ QObject *parent) :
++ QGeoTiledMapReply(spec, parent)
++ {
++ if (!reply) {
++ setError(UnknownError, QStringLiteral("Null reply"));
++ return;
++ }
++ connect(reply, &QNetworkReply::finished,
++ this, &GeoTiledMapReplyEsri::networkReplyFinished);
++ connect(reply, &QNetworkReply::errorOccurred,
++ this, &GeoTiledMapReplyEsri::networkReplyError);
++ connect(this, &QGeoTiledMapReply::aborted, reply, &QNetworkReply::abort);
++ connect(this, &QObject::destroyed, reply, &QObject::deleteLater);
++ }
++
++ GeoTiledMapReplyEsri::~GeoTiledMapReplyEsri()
++ {
++ }
++
++ void GeoTiledMapReplyEsri::networkReplyFinished()
++ {
++ QNetworkReply *reply = static_cast<QNetworkReply *>(sender());
++ reply->deleteLater();
++
++ if (reply->error() != QNetworkReply::NoError)
++ return;
++
++ QByteArray const& imageData = reply->readAll();
++
++ bool validFormat = true;
++ if (imageData.startsWith(reinterpret_cast<const char*>(pngSignature)))
++ setMapImageFormat(QStringLiteral("png"));
++ else if (imageData.startsWith(reinterpret_cast<const char*>(jpegSignature)))
++ setMapImageFormat(QStringLiteral("jpg"));
++ else if (imageData.startsWith(reinterpret_cast<const char*>(gifSignature)))
++ setMapImageFormat(QStringLiteral("gif"));
++ else
++ validFormat = false;
++
++ if (validFormat)
++ setMapImageData(imageData);
++
++ setFinished(true);
++ }
++
++ void GeoTiledMapReplyEsri::networkReplyError(QNetworkReply::NetworkError error)
++ {
++ QNetworkReply *reply = static_cast<QNetworkReply *>(sender());
++ reply->deleteLater();
++ if (error == QNetworkReply::OperationCanceledError)
++ setFinished(true);
++ else
++ setError(QGeoTiledMapReply::CommunicationError, reply->errorString());
++ }
++
++ QT_END_NAMESPACE