src/servicebrowser/ServiceAlbumCoverDownloader.h

   1 /***************************************************************************
   2  *   Copyright (c) 2007  Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>    *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  18  ***************************************************************************/
  19
  20 #ifndef SERVICEALBUMCOVERDOWNLOADER_H
  21 #define SERVICEALBUMCOVERDOWNLOADER_H
  22
  23
  24 #include "servicemetabase.h"
  25
  26 #include "amarok_export.h"
  27 #include <kio/jobclasses.h>
  28 #include <kio/job.h>
  29 #include <KTempDir>
  30
  31
  32 #include <QObject>
  33
  34 namespace Meta
  35 {
  36
  37 //forward declaration
  38 class ServiceAlbumCoverDownloader;
  39
  40 class AMAROK_EXPORT ServiceAlbumWithCover : public ServiceAlbum
  41 {
  42 private:
  43
  44     mutable QImage m_cover;
  45     mutable bool m_hasFetchedCover;
  46     mutable bool m_isFetchingCover;
  47     QString m_coverDownloadPath;
  48     mutable ServiceAlbumCoverDownloader * m_coverDownloader;
  49
  50 public:
  51
  52     ServiceAlbumWithCover( QString name );
  53     ServiceAlbumWithCover( QStringList resultRow );
  54
  55     virtual ~ServiceAlbumWithCover();
  56
  57     virtual QString downloadPrefix() const = 0;
  58
  59     virtual void setCoverUrl( const QString &coverUrl ) = 0;
  60     virtual QString coverUrl() const = 0;
  61
  62     void setImage( const QImage & image );
  63     void imageDownloadCanceled() const;
  64
  65     virtual QPixmap image( int size = 1, bool withShadow = false); //overridden from Meta::Album
  66 };
  67
  68
  69 /**
  70 A helper class for fetching covers from online services
  71
  72         @author
  73 */
  74 class ServiceAlbumCoverDownloader : public QObject
  75 {
  76     Q_OBJECT
  77
  78     public:
  79
  80         ServiceAlbumCoverDownloader();
  81         ~ServiceAlbumCoverDownloader();
  82
  83         void downloadCover( const Meta::ServiceAlbumWithCover * album );
  84
  85     private slots:
  86
  87         void coverDownloadComplete( KJob * downloadJob );
  88         void coverDownloadCanceled( KJob * downloadJob );
  89     private:
  90         const ServiceAlbumWithCover * m_album;
  91         QString m_coverDownloadPath;
  92         KIO::FileCopyJob * m_albumDownloadJob;
  93         KTempDir * m_tempDir;
  94 };
  95
  96 }
  97
  98 #endif