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 ; 00054 } 00058 inline bool isValid()const 00059 { 00060 return (m_bottom != -1) && (m_top != -1); 00061 } 00065 inline void dump()const 00066 { 00067 qWarning("top: %d\tbotom: %d", m_top, m_bottom); 00068 } 00072 inline int count()const 00073 { 00074 return m_bottom - m_top + 1; 00075 } 00076 int m_bottom; 00077 int m_top; 00078 QList<int> m_selected_indexes; 00079 }; 00100 class PlayListModel : public QObject 00101 { 00102 Q_OBJECT 00103 public: 00109 PlayListModel(const QString &name, QObject *parent = 0); 00113 ~PlayListModel(); 00117 QString name() const; 00121 void setName(const QString &name); 00125 int count() const; 00129 int trackCount() const; 00133 int columnCount() const; 00137 PlayListTrack* currentTrack() const; 00141 PlayListTrack* nextTrack() const; 00145 int indexOf(PlayListItem* item) const; 00149 PlayListItem* item(int index) const; 00153 PlayListTrack* track(int index) const; 00157 PlayListGroup* group(int index) const; 00161 int currentIndex() const; 00167 bool setCurrent (int index); 00172 bool setCurrent(PlayListTrack *item); 00177 bool isTrack(int index) const; 00182 bool isGroup(int index) const; 00186 bool isSelected(int index) const; 00192 void setSelected(int index, bool selected = true); 00198 void setSelected(QList<PlayListTrack *> tracks, bool selected = true); 00204 void setSelected(QList<PlayListItem *> items, bool selected = true); 00211 void setSelected(int first, int last, bool selected = true); 00216 bool next(); 00221 bool previous(); 00227 QList<PlayListItem *> mid(int pos, int count = -1) const; 00231 void moveItems(int from, int to); 00235 bool isQueued(PlayListTrack* item) const; 00239 bool isEmptyQueue()const; 00243 int queuedIndex(PlayListTrack* track) const; 00247 int queueSize() const; 00251 bool isStopAfter(PlayListItem* item) const; 00256 const SimpleSelection& getSelection(int row); 00260 QList<int> selectedIndexes() const; 00264 QList<PlayListTrack *> selectedTracks() const; 00268 QList<PlayListItem*> items() const; 00272 int firstSelectedUpper(int row); 00276 int firstSelectedLower(int row); 00280 int totalLength() const; 00284 void loadPlaylist(const QString& f_name); 00288 void savePlaylist(const QString& f_name); 00292 bool isLoaderRunning() const; 00296 bool contains(const QString &url); 00300 enum SortMode 00301 { 00302 TITLE = 0, 00303 ALBUM, 00304 DISCNUMBER, 00305 ARTIST, 00306 ALBUMARTIST, 00307 FILENAME, 00308 PATH_AND_FILENAME, 00309 DATE, 00310 TRACK, 00311 FILE_CREATION_DATE, 00312 FILE_MODIFICATION_DATE, 00313 GROUP 00314 }; 00319 int indexOfTrack(int index) const; 00324 PlayListTrack *findTrack(int track_index) const; 00328 enum UpdateFlags 00329 { 00330 STRUCTURE = 0x01, 00331 SELECTION = 0x02, 00332 QUEUE = 0x04, 00333 CURRENT = 0x08, 00334 STOP_AFTER = 0x10, 00335 METADATA = 0x20 00336 }; 00337 00338 signals: 00343 void listChanged(int flags); 00348 void trackAdded(PlayListTrack *track); 00353 void nameChanged(const QString& name); 00357 void loaderFinished(); 00361 void currentVisibleRequest(); 00367 void sortingByColumnFinished(int column, bool reverted); 00368 00369 public slots: 00373 void add(PlayListTrack *track); 00378 void add(QList <PlayListTrack *> tracks); 00383 void add(const QString &path); 00388 void add(const QStringList &paths); 00392 void insert(int index, PlayListTrack *track); 00396 void insert(PlayListItem *before, PlayListTrack *track); 00400 void insert(int index, QList <PlayListTrack *> tracks); 00404 void insert(PlayListItem *before, QList <PlayListTrack *> tracks); 00410 void insert(int index, const QString &path); 00416 void insert(int index, const QStringList &paths); 00422 void insert(int index, const QList<QUrl> &urls); 00426 void clear(); 00430 void clearSelection(); 00434 void removeSelected(); 00438 void removeUnselected(); 00442 void removeTrack (int i); 00446 void removeTrack (PlayListItem *track); 00450 void invertSelection(); 00454 void selectAll(); 00459 void showDetails(QWidget *parent = 0); 00464 void showDetailsForCurrent(QWidget *parent = 0); 00468 void doCurrentVisibleRequest(); 00472 void randomizeList(); 00476 void reverseList(); 00480 void sortSelection(int mode); 00484 void sort(int mode); 00488 void sortByColumn(int column); 00492 void addToQueue(); 00496 void setQueued(PlayListTrack* item); 00500 void removeInvalidTracks(); 00504 void removeDuplicates(); 00508 void refresh(); 00512 void clearQueue(); 00516 void stopAfterSelected(); 00520 void rebuildGroups(); 00524 void updateMetaData(); 00525 00526 private: 00530 int topmostInSelection(int); 00534 int bottommostInSelection(int); 00539 void removeSelection(bool inverted = false); 00540 00541 int removeTrackInternal(int i); 00542 00543 private slots: 00547 void preparePlayState(); 00551 void prepareForShufflePlaying(bool yes); 00556 void prepareGroups(bool enabled); 00557 00558 void onTaskFinished(); 00559 00560 private: 00561 PlayListTrack* m_current_track; 00562 PlayListTrack* m_stop_track; 00563 int m_current; 00564 SimpleSelection m_selection; 00565 QQueue <PlayListTrack*> m_queued_songs; 00566 PlayState* m_play_state; 00567 int m_total_length; 00568 FileLoader *m_loader; 00569 QString m_name; 00570 PlayListContainer *m_container; 00571 QmmpUiSettings *m_ui_settings; 00572 PlayListTask *m_task; 00573 }; 00574 00575 #endif