File indexing completed on 2024-05-19 04:50:24

0001 /****************************************************************************************
0002  * Copyright (c) 2010 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 OPMLDIRECTORYMODEL_H
0018 #define OPMLDIRECTORYMODEL_H
0019 
0020 #include "OpmlOutline.h"
0021 
0022 #include <QUrl>
0023 
0024 #include <QAbstractItemModel>
0025 
0026 class OpmlParser;
0027 
0028 class QAction;
0029 typedef QList<QAction *> QActionList;
0030 
0031 class OpmlDirectoryModel : public QAbstractItemModel
0032 {
0033     Q_OBJECT
0034 public:
0035     //TODO: make these rols part of a common class in Amarok::.
0036     enum
0037     {
0038         ActionRole = Qt::UserRole, //list of QActions for the index
0039         DecorationUriRole, //a URI for the decoration to be fetched by the view.
0040         CustomRoleOffset //first role that can be used by subclasses for their own data
0041     };
0042 
0043     explicit OpmlDirectoryModel( QUrl outlineUrl, QObject *parent = nullptr );
0044     ~OpmlDirectoryModel() override;
0045 
0046     // QAbstractItemModel methods
0047     QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const override;
0048     Qt::ItemFlags flags( const QModelIndex &index ) const override;
0049     QModelIndex parent( const QModelIndex &index ) const override;
0050     int rowCount( const QModelIndex &parent = QModelIndex() ) const override;
0051     bool hasChildren( const QModelIndex &parent = QModelIndex() ) const override;
0052     int columnCount( const QModelIndex &parent = QModelIndex() ) const override;
0053     QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const override;
0054     bool setData( const QModelIndex &index, const QVariant &value, int role = Qt::EditRole ) override;
0055     bool removeRows( int row, int count, const QModelIndex &parent = QModelIndex() ) override;
0056 
0057     // OpmlDirectoryModel methods
0058     virtual void saveOpml( const QUrl &saveLocation );
0059     virtual OpmlNodeType opmlNodeType( const QModelIndex &idx ) const;
0060 
0061     //TODO: extract these into OpmlPodcastDirectoryModel subclass
0062     void subscribe( const QModelIndexList &indexes ) const;
0063 
0064 Q_SIGNALS:
0065 
0066 public Q_SLOTS:
0067     void slotAddOpmlAction();
0068     void slotAddFolderAction();
0069 
0070 protected:
0071     bool canFetchMore( const QModelIndex &parent ) const override;
0072     void fetchMore( const QModelIndex &parent ) override;
0073 
0074 private Q_SLOTS:
0075     void slotOpmlHeaderDone();
0076     void slotOpmlOutlineParsed( OpmlOutline * );
0077     void slotOpmlParsingDone();
0078     void slotOpmlWriterDone( int result );
0079 
0080 private:
0081     QModelIndex addOutlineToModel( const QModelIndex &parentIdx, OpmlOutline *oultine );
0082 
0083     QUrl m_rootOpmlUrl;
0084     QList<OpmlOutline *> m_rootOutlines;
0085 
0086     QMap<OpmlParser *,QModelIndex> m_currentFetchingMap;
0087     QMap<OpmlOutline *,QPixmap> m_imageMap;
0088 
0089     QAction *m_addOpmlAction;
0090     QAction *m_addFolderAction;
0091 };
0092 
0093 
0094 #endif // OPMLDIRECTORYMODEL_H