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/****************************************************************************
**
** Copyright (C) 2013-2016 Esri <contracts@esri.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtLocation module 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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), m_reply(reply)
{
connect(m_reply, SIGNAL(finished()), this, SLOT(networkReplyFinished()));
connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(networkReplyError(QNetworkReply::NetworkError)));
connect(m_reply, SIGNAL(destroyed()), this, SLOT(replyDestroyed()));
}
GeoTiledMapReplyEsri::~GeoTiledMapReplyEsri()
{
if (m_reply) {
m_reply->deleteLater();
m_reply = Q_NULLPTR;
}
}
void GeoTiledMapReplyEsri::abort()
{
if (!m_reply)
return;
m_reply->abort();
QGeoTiledMapReply::abort();
}
void GeoTiledMapReplyEsri::replyDestroyed()
{
m_reply = Q_NULLPTR;
}
void GeoTiledMapReplyEsri::networkReplyFinished()
{
if (!m_reply)
return;
if (m_reply->error() != QNetworkReply::NoError)
{
setError(QGeoTiledMapReply::CommunicationError, m_reply->errorString());
m_reply->deleteLater();
m_reply = Q_NULLPTR;
return;
}
QByteArray const& imageData = m_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);
m_reply->deleteLater();
m_reply = Q_NULLPTR;
}
void GeoTiledMapReplyEsri::networkReplyError(QNetworkReply::NetworkError error)
{
if (!m_reply)
return;
if (error != QNetworkReply::OperationCanceledError)
setError(QGeoTiledMapReply::CommunicationError, m_reply->errorString());
setFinished(true);
m_reply->deleteLater();
m_reply = Q_NULLPTR;
}
QT_END_NAMESPACE
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