src/servicebrowser/magnatunestore/MagnatuneStore.h

   1 /***************************************************************************
   2  *   Copyright (c) 2006, 2007                                              *
   3  *        Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.          *
  19  ***************************************************************************/
  20
  21 #ifndef AMAROKMAGNATUNESTORE_H
  22 #define AMAROKMAGNATUNESTORE_H
  23
  24
  25 #include "amarok.h"
  26 //#include "magnatunepurchasedialog.h"
  27 #include "magnatunepurchasehandler.h"
  28 #include "magnatuneredownloadhandler.h"
  29 #include "magnatunexmlparser.h"
  30 #include "magnatunedatabasehandler.h"
  31
  32 #include "../servicebase.h"
  33 #include "servicesqlcollection.h"
  34
  35 #include <kio/job.h>
  36 #include <kio/jobclasses.h>
  37
  38 #include <QCheckBox>
  39 #include <QComboBox>
  40 #include <khbox.h>
  41 #include <q3popupmenu.h>
  42 #include <QPushButton>
  43 #include <kvbox.h>
  44
  45
  46 class MagnatuneServiceFactory: public ServiceFactory
  47 {
  48     Q_OBJECT
  49
  50     public:
  51         MagnatuneServiceFactory() {}
  52         virtual ~MagnatuneServiceFactory() {}
  53
  54         virtual void init();
  55         virtual QString name();
  56         virtual KPluginInfo info();
  57         virtual KConfigGroup config();
  58 };
  59
  60
  61 /**
  62 Amarok browser that displays all the music available at magnatune.com and makes it available for previewing and purchasing.
  63 Implemented as a singleton
  64
  65 @author Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>
  66 */
  67 class MagnatuneStore: public ServiceBase
  68 {
  69     Q_OBJECT
  70
  71 public:
  72
  73      /**
  74      * Constructor
  75      */
  76     MagnatuneStore( const char *name );
  77     /**
  78      * Destructor
  79      */
  80     ~MagnatuneStore() { }
  81
  82      /**
  83      * Do not do expensive initializations before we are actually shown
  84      */
  85     void polish();
  86    // bool updateContextView();
  87
  88 private slots:
  89
  90     /**
  91      * Slot called when the purchase album button is clicked. Starts a purchase
  92      */
  93     void purchaseButtonClicked();
  94
  95     /**
  96      * Slot for recieving notification that the update button has been clicked.
  97      */
  98     void updateButtonClicked();
  99
 100
 101     /**
 102      * Slot for recieving notification when the Magnatune xml file has been downloaded.
 103      * Triggers a parse of the file to get the info added to the databse
 104      * @param downLoadJob The calling download Job
 105      */
 106     void listDownloadComplete( KJob* downLoadJob);
 107
 108     /**
 109      * Slot for catching cancelled list downloads
 110      */
 111     void listDownloadCancelled();
 112
 113     /**
 114      * Slot called when the parsing of the Magnatuin xml file is completed.
 115      * Triggers an update of the list view and the genre combo box
 116      */
 117     void doneParsing();
 118
 119     /**
 120      * Starts the process of redownloading a previously bought album
 121      */
 122     void processRedownload();
 123
 124     /**
 125      * Slot for recieving notifications of completed purchase operations
 126      * @param success Was the operation a success?
 127      */
 128     void purchaseCompleted( bool success );
 129
 130
 131     /**
 132      * Adds all tracks with a common mood to the playlist
 133      * @param mood The mood of the tracks to add
 134      */
 135     //void addMoodyTracksToPlaylist( QString mood );
 136
 137
 138      /**
 139      * Checks if purchase button should be enabled
 140      * @param selection the new selection
 141      * @param deseleted items that were previously selected but have been deselected
 142      */
 143     void itemSelected( CollectionTreeItem * selectedItem );
 144
 145 private:
 146     /**
 147      * Helper function that initializes the button panel below the list view
 148      */
 149     void initBottomPanel();
 150
 151     /**
 152      * Helper function that initializes the genre selection panel above the list view
 153      */
 154     void initTopPanel();
 155
 156     /**
 157      * Starts downloading an updated track list xml file from
 158      * http://magnatune.com/info/album_info.xml
 159      * @return Currently always returns true
 160      */
 161     bool updateMagnatuneList();
 162
 163     /**
 164      * Adds a magnatune preview track to the playlist.
 165      * @param item The track to add
 166      */
 167     //void addTrackToPlaylist ( Meta::MagnatuneTrack  *item );
 168
 169     static MagnatuneStore *s_instance;
 170
 171     QString                    m_currentInfoUrl;
 172     QMenu                *m_popupMenu;
 173     MagnatunePurchaseHandler  *m_purchaseHandler;
 174     MagnatuneRedownloadHandler *m_redownloadHandler;
 175
 176     QPushButton *m_advancedFeaturesButton;
 177     QPushButton *m_updateListButton;
 178     QPushButton *m_purchaseAlbumButton;
 179     QPushButton *m_showInfoToggleButton;
 180
 181     QComboBox   *m_genreComboBox;
 182     bool         m_purchaseInProgress;
 183
 184     Meta::MagnatuneAlbum * m_currentAlbum;
 185
 186
 187     KIO::FileCopyJob * m_listDownloadJob;
 188
 189     ServiceSqlCollection * m_collection;
 190
 191     QString m_tempFileName;
 192
 193 };
 194
 195
 196 #endif