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qgsversioninfo.cpp
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qgsversioninfo.cpp
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/***************************************************************************
----------------------------------------------------
date : 18.8.2015
copyright : (C) 2015 by Matthias Kuhn
email : matthias (at) opengis.ch
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsversioninfo.h"
#include "qgis.h"
#include "qgsnetworkaccessmanager.h"
QgsVersionInfo::QgsVersionInfo( QObject *parent )
: QObject( parent )
, mLatestVersion( 0 )
, mError( QNetworkReply::NoError )
{
}
void QgsVersionInfo::checkVersion()
{
QNetworkReply *reply = QgsNetworkAccessManager::instance()->get( QNetworkRequest( QUrl( "https://version.qgis.org/version.txt" ) ) );
connect( reply, SIGNAL( finished() ), this, SLOT( versionReplyFinished() ) );
}
bool QgsVersionInfo::newVersionAvailable() const
{
return mLatestVersion > QGis::QGIS_VERSION_INT;
}
bool QgsVersionInfo::isDevelopmentVersion() const
{
return QGis::QGIS_VERSION_INT > mLatestVersion;
}
void QgsVersionInfo::versionReplyFinished()
{
QNetworkReply *reply = qobject_cast<QNetworkReply*>( sender() );
Q_ASSERT( reply );
mError = reply->error();
mErrorString = reply->errorString();
if ( mError == QNetworkReply::NoError )
{
QString versionMessage = reply->readAll();
// strip the header
QString contentFlag = "#QGIS Version";
int pos = versionMessage.indexOf( contentFlag );
if ( pos > -1 )
{
pos += contentFlag.length();
versionMessage = versionMessage.mid( pos );
QStringList parts = versionMessage.split( '|', QString::SkipEmptyParts );
// check the version from the server against our version
mLatestVersion = parts[0].toInt();
mDownloadInfo = parts.value( 1 );
mAdditionalHtml = parts.value( 2 );
}
}
// get error type
switch ( mError )
{
case QNetworkReply::ConnectionRefusedError:
mErrorString = tr( "Connection refused - server may be down" );
break;
case QNetworkReply::HostNotFoundError:
mErrorString = tr( "The host name %1 could not be resolved. Check your DNS settings or contact your system administrator." ).arg( reply->request().url().host() );
break;
case QNetworkReply::NoError:
mErrorString = "";
break;
default:
mErrorString = reply->errorString();
break;
}
reply->deleteLater();
emit versionInfoAvailable();
}