Qmmp
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00001 /*************************************************************************** 00002 * Copyright (C) 2006-2016 by Ilya Kotov * 00003 * forkotov02@hotmail.ru * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU General Public License as published by * 00007 * the Free Software Foundation; either version 2 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU General Public License * 00016 * along with this program; if not, write to the * 00017 * Free Software Foundation, Inc., * 00018 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * 00019 ***************************************************************************/ 00020 #ifndef PLAYLISTMODEL_H 00021 #define PLAYLISTMODEL_H 00022 00023 #include <QObject> 00024 #include <QString> 00025 #include <QStringList> 00026 #include <QMap> 00027 #include <QQueue> 00028 #include <QPointer> 00029 #include <QVector> 00030 #include "playlistitem.h" 00031 #include "playlisttrack.h" 00032 #include "playlistgroup.h" 00033 00034 class FileLoader; 00035 class PlayState; 00036 class PlayListFormat; 00037 class PlayListModel; 00038 class PlayListContainer; 00039 class QmmpUiSettings; 00040 class PlayListTask; 00041 00046 struct SimpleSelection 00047 { 00051 SimpleSelection() 00052 { 00053 m_bottom = -1; 00054 m_top = 1; 00055 } 00059 inline bool isValid()const 00060 { 00061 return (m_bottom != -1) && (m_top != -1); 00062 } 00066 inline void dump()const 00067 { 00068 qWarning("top: %d\tbotom: %d", m_top, m_bottom); 00069 } 00073 inline int count()const 00074 { 00075 return m_bottom - m_top + 1; 00076 } 00077 int m_bottom; 00078 int m_top; 00079 QList<int> m_selected_indexes; 00080 }; 00101 class PlayListModel : public QObject 00102 { 00103 Q_OBJECT 00104 public: 00110 PlayListModel(const QString &name, QObject *parent = 0); 00114 ~PlayListModel(); 00118 QString name() const; 00122 void setName(const QString &name); 00126 int count() const; 00130 int trackCount() const; 00134 bool isEmpty() const; 00138 int columnCount() const; 00142 PlayListTrack* currentTrack() const; 00146 PlayListTrack* nextTrack() const; 00150 int indexOf(PlayListItem* item) const; 00154 PlayListItem* item(int index) const; 00158 PlayListTrack* track(int index) const; 00162 PlayListGroup* group(int index) const; 00166 int currentIndex() const; 00172 bool setCurrent (int index); 00177 bool setCurrent(PlayListTrack *item); 00182 bool isTrack(int index) const; 00187 bool isGroup(int index) const; 00191 bool isSelected(int index) const; 00197 void setSelected(int index, bool selected = true); 00203 void setSelected(QList<PlayListTrack *> tracks, bool selected = true); 00209 void setSelected(QList<PlayListItem *> items, bool selected = true); 00216 void setSelected(int first, int last, bool selected = true); 00217 00218 00219 void setSelected(QList<int> indexes, bool selected = true); 00224 bool next(); 00229 bool previous(); 00235 QList<PlayListItem *> mid(int pos, int count = -1) const; 00239 void moveItems(int from, int to); 00243 bool isQueued(PlayListTrack* item) const; 00247 bool isEmptyQueue()const; 00251 int queuedIndex(PlayListTrack* track) const; 00255 int queueSize() const; 00259 bool isStopAfter(PlayListItem* item) const; 00264 const SimpleSelection& getSelection(int row); 00268 QList<int> selectedIndexes() const; 00272 QList<PlayListTrack *> selectedTracks() const; 00276 QList<PlayListItem*> items() const; 00280 int firstSelectedUpper(int row); 00284 int firstSelectedLower(int row); 00288 int totalLength() const; 00292 void loadPlaylist(const QString& f_name); 00293 00294 void loadPlaylist(const QString &fmt, const QByteArray &data); 00298 void savePlaylist(const QString& f_name); 00302 bool isLoaderRunning() const; 00306 bool contains(const QString &url); 00310 enum SortMode 00311 { 00312 TITLE = 0, 00313 ALBUM, 00314 DISCNUMBER, 00315 ARTIST, 00316 ALBUMARTIST, 00317 FILENAME, 00318 PATH_AND_FILENAME, 00319 DATE, 00320 TRACK, 00321 FILE_CREATION_DATE, 00322 FILE_MODIFICATION_DATE, 00323 GROUP 00324 }; 00329 int indexOfTrack(int index) const; 00334 PlayListTrack *findTrack(int track_index) const; 00338 enum UpdateFlags 00339 { 00340 STRUCTURE = 0x01, 00341 SELECTION = 0x02, 00342 QUEUE = 0x04, 00343 CURRENT = 0x08, 00344 STOP_AFTER = 0x10, 00345 METADATA = 0x20 00346 }; 00347 00348 signals: 00353 void listChanged(int flags); 00358 void trackAdded(PlayListTrack *track); 00363 void nameChanged(const QString& name); 00367 void loaderFinished(); 00371 void currentVisibleRequest(); 00377 void sortingByColumnFinished(int column, bool reverted); 00378 00379 public slots: 00383 void add(PlayListTrack *track); 00388 void add(QList <PlayListTrack *> tracks); 00393 void add(const QString &path); 00398 void add(const QStringList &paths); 00402 void insert(int index, PlayListTrack *track); 00406 void insert(PlayListItem *before, PlayListTrack *track); 00410 void insert(int index, QList <PlayListTrack *> tracks); 00414 void insert(PlayListItem *before, QList <PlayListTrack *> tracks); 00420 void insert(int index, const QString &path); 00426 void insert(int index, const QStringList &paths); 00432 void insert(int index, const QList<QUrl> &urls); 00436 void clear(); 00440 void clearSelection(); 00444 void removeSelected(); 00448 void removeUnselected(); 00452 void removeTrack (int i); 00456 void removeTrack (PlayListItem *track); 00460 void invertSelection(); 00464 void selectAll(); 00469 void showDetails(QWidget *parent = 0); 00474 void showDetailsForCurrent(QWidget *parent = 0); 00478 void doCurrentVisibleRequest(); 00482 void randomizeList(); 00486 void reverseList(); 00490 void sortSelection(int mode); 00494 void sort(int mode); 00498 void sortByColumn(int column); 00502 void addToQueue(); 00506 void setQueued(PlayListTrack* item); 00510 void removeInvalidTracks(); 00514 void removeDuplicates(); 00518 void refresh(); 00522 void clearQueue(); 00526 void stopAfterSelected(); 00530 void rebuildGroups(); 00534 void updateMetaData(); 00535 00536 private: 00540 int topmostInSelection(int); 00544 int bottommostInSelection(int); 00549 void removeSelection(bool inverted = false); 00550 00551 int removeTrackInternal(int i); 00552 00553 private slots: 00557 void preparePlayState(); 00561 void prepareForShufflePlaying(bool yes); 00566 void prepareGroups(bool enabled); 00567 00568 void onTaskFinished(); 00569 00570 private: 00571 PlayListTrack* m_current_track; 00572 PlayListTrack* m_stop_track; 00573 int m_current; 00574 SimpleSelection m_selection; 00575 QQueue <PlayListTrack*> m_queued_songs; 00576 PlayState* m_play_state; 00577 int m_total_length; 00578 FileLoader *m_loader; 00579 QString m_name; 00580 PlayListContainer *m_container; 00581 QmmpUiSettings *m_ui_settings; 00582 PlayListTask *m_task; 00583 }; 00584 00585 #endif