core/podcasts/PodcastImageFetcher.h

0001 /****************************************************************************************
0002  * Copyright (c) 2009 Bart Cerneels <bart.cerneels@kde.org>                             *
0003  *                                                                                      *
0004  * This program is free software; you can redistribute it and/or modify it under        *
0005  * the terms of the GNU General Public License as published by the Free Software        *
0006  * Foundation; either version 2 of the License, or (at your option) any later           *
0007  * version.                                                                             *
0008  *                                                                                      *
0009  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
0010  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
0011  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
0012  *                                                                                      *
0013  * You should have received a copy of the GNU General Public License along with         *
0014  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
0015  ****************************************************************************************/
0016
0017 #ifndef PODCASTIMAGEFETCHER_H
0018 #define PODCASTIMAGEFETCHER_H
0019
0020 #include "core/podcasts/PodcastMeta.h"
0021
0022 #include <KJob>
0023
0024 class AMAROKCORE_EXPORT PodcastImageFetcher : public QObject
0025 {
0026 Q_OBJECT
0027 public:
0028     PodcastImageFetcher();
0029
0030     void addChannel( Podcasts::PodcastChannelPtr channel );
0031     void addEpisode( const Podcasts::PodcastEpisodePtr &episode );
0032
0033     void run();
0034
0035     static QUrl cachedImagePath(const Podcasts::PodcastChannelPtr &channel );
0036     static QUrl cachedImagePath( Podcasts::PodcastChannel *channel );
0037
0038 Q_SIGNALS:
0039     void channelImageReady( const Podcasts::PodcastChannelPtr &channel, const QImage &image );
0040     void episodeImageReady( const Podcasts::PodcastEpisodePtr &episode, const QImage &image );
0041     void done( PodcastImageFetcher * );
0042
0043 private Q_SLOTS:
0044     void slotDownloadFinished( KJob *job );
0045
0046 private:
0047     static bool hasCachedImage(const Podcasts::PodcastChannelPtr &channel );
0048
0049     Podcasts::PodcastChannelList m_channels;
0050     Podcasts::PodcastEpisodeList m_episodes;
0051     QMap<KJob *, Podcasts::PodcastChannelPtr> m_jobChannelMap;
0052     QMap<KJob *, Podcasts::PodcastEpisodePtr> m_jobEpisodeMap;
0053 };
0054
0055 #endif // PODCASTIMAGEFETCHER_H