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255 lines
7.2 KiB
255 lines
7.2 KiB
/*
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Copyright (c) 2006 Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef AMAROKMAGNATUNEBROWSER_H
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#define AMAROKMAGNATUNEBROWSER_H
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#include "amarok.h"
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#include "magnatuneartistinfobox.h"
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#include "magnatunelistview.h"
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#include "magnatunelistviewitems.h"
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#include "magnatunepurchasedialog.h"
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#include "magnatunepurchasehandler.h"
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#include "magnatuneredownloadhandler.h"
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#include "magnatunexmlparser.h"
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#include <tdeio/job.h>
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#include <tdeio/jobclasses.h>
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#include <tqcheckbox.h>
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#include <tqcombobox.h>
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#include <tqhbox.h>
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#include <tqpopupmenu.h>
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#include <tqpushbutton.h>
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#include <tqvbox.h>
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/**
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Amarok browser that displays all the music available at magnatune.com and makes it available for previewing and purchasing.
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Implemented as a singleton
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@author Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>
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*/
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class MagnatuneBrowser : public TQVBox
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{
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Q_OBJECT
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public:
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/**
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* Destructor
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*/
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~MagnatuneBrowser() { }
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/**
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* Retrieves the class instance (Singleton pattern)
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* @return pointer to the class instance
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*/
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static MagnatuneBrowser *instance() {
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if(!s_instance) s_instance = new MagnatuneBrowser("MagnatuneBrowser");
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return s_instance;
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}
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private slots:
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/**
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* Slot for recieving aboutToShow signals from the right click menu.
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* Inserts items in the menu based on the type of the current selection
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*/
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void menuAboutToShow();
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/**
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* Slot called when the purchase album button is clicked. Starts a purchase
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*/
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void purchaseButtonClicked();
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/**
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* Slot for recieving notification from the right click menu that the user
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* has chosen to purchase an album. Starts a purchase
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*/
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void purchaseSelectedAlbum();
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/**
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* Slot for recieving notification from the right click menu that the user
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* has chosen to purchase the album contining the selected track.
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* Starts a purchase
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*/
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void purchaseAlbumContainingSelectedTrack();
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/**
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* Slot for recieving notification from the right click menu that the user
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* has selected "add to playlist" for the currently selected item,
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*/
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void addSelectionToPlaylist();
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/**
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* Slot for recieving notification that the user has double clicked an
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* item in the list view. Ads item to playlist.
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* @param item The item that was double clicked
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*/
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void itemExecuted( TQListViewItem * item);
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/**
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* Slot for recieving notification when a new item in the list is selected.
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* Adds the corrosponding artist or album info to the info view (if visible)
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* @param item The selected item
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*/
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void selectionChanged( TQListViewItem * item);
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/**
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* Slot for recieving notifications about right clicks in the list view.
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* if selection is valid the popup menu is shown
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* @param item The item that was right clicked
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* @param pos The position of the cursor at the time of thre right click
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* @param column The column of the item that was right clicked (unused)
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*/
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void showPopupMenu( TQListViewItem * item, const TQPoint & pos, int column );
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/**
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* Slot for recieving notification that the update button has been clicked.
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*/
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void updateButtonClicked();
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/**
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* Toggles the info area on and off
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* @param show If true the info box is shown, if false it is hidden
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*/
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void showInfo(bool show);
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/**
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* Slot for recieving notification when the Magnatune xml file has been downloaded.
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* Triggers a parse of the file to get the info added to the databse
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* @param downLoadJob The calling download Job
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*/
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void listDownloadComplete( TDEIO::Job* downLoadJob);
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/**
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* Slot for catching cancelled list downloads
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*/
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void listDownloadCancelled();
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/**
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* Slot called when the genre combo box selection changes. Triggers an update of the list view.
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*/
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void genreChanged();
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/**
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* Slot called when the parsing of the Magnatuin xml file is completed.
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* Triggers an update of the list view and the genre combo box
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*/
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void doneParsing();
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/**
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* Starts the process of redownloading a previously bought album
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*/
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void processRedownload();
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/**
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* Slot for recieving notifications of completed purchase operations
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* @param success Was the operation a success?
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*/
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void purchaseCompleted( bool success );
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/**
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* Don not do expensive initializations before we are actually shown
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*/
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void polish();
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private:
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MagnatuneBrowser( const char *name );
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/**
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* Helper function that initializes the button panel below the list view
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*/
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void initBottomPanel();
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/**
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* Helper function that initializes the genre selection panel above the list view
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*/
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void initTopPanel();
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/**
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* Starts downloading an updated track list xml file from
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* http://magnatune.com/info/album_info.xml
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* @return Currently always returns true
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*/
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bool updateMagnatuneList();
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/**
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* Adds a magnatune preview track to the playlist.
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* @param item The track to add
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*/
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void addTrackToPlaylist ( MagnatuneTrack *item );
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/**
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* Adds all preview tracks on a magnatune album to the playlist
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* @param item The album to add
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*/
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void addAlbumToPlaylist ( MagnatuneAlbum *item );
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/**
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* Adds all preview tracks on all albums by a given artist to the playlist
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* @param item the artist to add
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*/
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void addArtistToPlaylist( MagnatuneArtist *item );
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/**
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* Clears the list view and inserts artists based on the currently selected genre
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*/
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void updateList();
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/**
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* Clears the genre combo box and inserts all genres from the database
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*/
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void updateGenreBox();
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static MagnatuneBrowser *s_instance;
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MagnatuneListView *m_listView;
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MagnatuneArtistInfoBox *m_artistInfobox;
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TQString m_currentInfoUrl;
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TQPopupMenu *m_popupMenu;
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MagnatunePurchaseHandler *m_purchaseHandler;
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MagnatuneRedownloadHandler *m_redownloadHandler;
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TQHBox *m_topPanel;
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TQVBox *m_bottomPanel;
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TQPushButton *m_advancedFeaturesButton;
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TQPushButton *m_updateListButton;
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TQPushButton *m_purchaseAlbumButton;
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TQPushButton *m_showInfoToggleButton;
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TQComboBox *m_genreComboBox;
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bool m_isInfoShown;
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bool m_purchaseInProgress;
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bool m_polished;
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TQString m_tempFileName;
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TDEIO::TransferJob * m_listDownloadJob;
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};
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#endif
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