kde-extraapps/kdeplasma-addons/dataengines/potd/epodprovider.cpp
2015-02-27 11:02:43 +00:00

100 lines
3 KiB
C++

/*
* Copyright (C) 2007 Tobias Koenig <tokoe@kde.org>
* Copyright 2008 by Anne-Marie Mahfouf <annma@kde.org>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "epodprovider.h"
#include <QtCore/QRegExp>
#include <QtGui/QImage>
#include <KDebug>
#include <kio/job.h>
POTDPROVIDER_EXPORT_PLUGIN( EpodProvider, "EpodProvider", "" )
class EpodProvider::Private
{
public:
Private( EpodProvider *parent )
: mParent( parent )
{
}
void pageRequestFinished(KJob*);
void imageRequestFinished(KJob*);
void parsePage();
EpodProvider *mParent;
QImage mImage;
};
void EpodProvider::Private::pageRequestFinished(KJob *_job)
{
KIO::StoredTransferJob *job = static_cast<KIO::StoredTransferJob *>(_job);
if ( job->error() ) {
emit mParent->error( mParent );
return;
}
const QString data = QString::fromUtf8( job->data() );
const QString pattern( QLatin1String( "http://epod.usra.edu/.a/*-pi" ) );
QRegExp exp( pattern );
exp.setPatternSyntax(QRegExp::Wildcard);
int pos = exp.indexIn( data ) + pattern.length();
const QString sub = data.mid( pos-4, pattern.length()+6);
KUrl url( QString(QLatin1String( "http://epod.usra.edu/.a/%1-pi" )) .arg(sub) );
KIO::StoredTransferJob *imageJob = KIO::storedGet( url, KIO::NoReload, KIO::HideProgressInfo );
QObject::connect(imageJob, SIGNAL(finished(KJob*)), mParent, SLOT(imageRequestFinished(KJob*)) );
}
void EpodProvider::Private::imageRequestFinished( KJob *_job)
{
KIO::StoredTransferJob *job = static_cast<KIO::StoredTransferJob *>(_job);
if ( job->error() ) {
emit mParent->error( mParent );
return;
}
// FIXME: this really should be done in a thread as this can block
mImage = QImage::fromData( job->data() );
emit mParent->finished( mParent );
}
EpodProvider::EpodProvider( QObject *parent, const QVariantList &args )
: PotdProvider( parent, args ), d( new Private( this ) )
{
KUrl url( QLatin1String( "http://epod.usra.edu/blog/" ) );
KIO::StoredTransferJob *job = KIO::storedGet( url, KIO::NoReload, KIO::HideProgressInfo );
connect( job, SIGNAL(finished(KJob*)), SLOT(pageRequestFinished(KJob*)) );
}
EpodProvider::~EpodProvider()
{
delete d;
}
QImage EpodProvider::image() const
{
return d->mImage;
}
#include "moc_epodprovider.cpp"