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 int columnCount() const; 00138 PlayListTrack* currentTrack() const; 00142 PlayListTrack* nextTrack() const; 00146 int indexOf(PlayListItem* item) const; 00150 PlayListItem* item(int index) const; 00154 PlayListTrack* track(int index) const; 00158 PlayListGroup* group(int index) const; 00162 int currentIndex() const; 00168 bool setCurrent (int index); 00173 bool setCurrent(PlayListTrack *item); 00178 bool isTrack(int index) const; 00183 bool isGroup(int index) const; 00187 bool isSelected(int index) const; 00193 void setSelected(int index, bool selected = true); 00199 void setSelected(QList<PlayListTrack *> tracks, bool selected = true); 00205 void setSelected(QList<PlayListItem *> items, bool selected = true); 00212 void setSelected(int first, int last, bool selected = true); 00217 bool next(); 00222 bool previous(); 00228 QList<PlayListItem *> mid(int pos, int count = -1) const; 00232 void moveItems(int from, int to); 00236 bool isQueued(PlayListTrack* item) const; 00240 bool isEmptyQueue()const; 00244 int queuedIndex(PlayListTrack* track) const; 00248 int queueSize() const; 00252 bool isStopAfter(PlayListItem* item) const; 00257 const SimpleSelection& getSelection(int row); 00261 QList<int> selectedIndexes() const; 00265 QList<PlayListTrack *> selectedTracks() const; 00269 QList<PlayListItem*> items() const; 00273 int firstSelectedUpper(int row); 00277 int firstSelectedLower(int row); 00281 int totalLength() const; 00285 void loadPlaylist(const QString& f_name); 00289 void savePlaylist(const QString& f_name); 00293 bool isLoaderRunning() const; 00297 bool contains(const QString &url); 00301 enum SortMode 00302 { 00303 TITLE = 0, 00304 ALBUM, 00305 DISCNUMBER, 00306 ARTIST, 00307 ALBUMARTIST, 00308 FILENAME, 00309 PATH_AND_FILENAME, 00310 DATE, 00311 TRACK, 00312 FILE_CREATION_DATE, 00313 FILE_MODIFICATION_DATE, 00314 GROUP 00315 }; 00320 int indexOfTrack(int index) const; 00325 PlayListTrack *findTrack(int track_index) const; 00329 enum UpdateFlags 00330 { 00331 STRUCTURE = 0x01, 00332 SELECTION = 0x02, 00333 QUEUE = 0x04, 00334 CURRENT = 0x08, 00335 STOP_AFTER = 0x10, 00336 METADATA = 0x20 00337 }; 00338 00339 signals: 00344 void listChanged(int flags); 00349 void trackAdded(PlayListTrack *track); 00354 void nameChanged(const QString& name); 00358 void loaderFinished(); 00362 void currentVisibleRequest(); 00368 void sortingByColumnFinished(int column, bool reverted); 00369 00370 public slots: 00374 void add(PlayListTrack *track); 00379 void add(QList <PlayListTrack *> tracks); 00384 void add(const QString &path); 00389 void add(const QStringList &paths); 00393 void insert(int index, PlayListTrack *track); 00397 void insert(PlayListItem *before, PlayListTrack *track); 00401 void insert(int index, QList <PlayListTrack *> tracks); 00405 void insert(PlayListItem *before, QList <PlayListTrack *> tracks); 00411 void insert(int index, const QString &path); 00417 void insert(int index, const QStringList &paths); 00423 void insert(int index, const QList<QUrl> &urls); 00427 void clear(); 00431 void clearSelection(); 00435 void removeSelected(); 00439 void removeUnselected(); 00443 void removeTrack (int i); 00447 void removeTrack (PlayListItem *track); 00451 void invertSelection(); 00455 void selectAll(); 00460 void showDetails(QWidget *parent = 0); 00465 void showDetailsForCurrent(QWidget *parent = 0); 00469 void doCurrentVisibleRequest(); 00473 void randomizeList(); 00477 void reverseList(); 00481 void sortSelection(int mode); 00485 void sort(int mode); 00489 void sortByColumn(int column); 00493 void addToQueue(); 00497 void setQueued(PlayListTrack* item); 00501 void removeInvalidTracks(); 00505 void removeDuplicates(); 00509 void refresh(); 00513 void clearQueue(); 00517 void stopAfterSelected(); 00521 void rebuildGroups(); 00525 void updateMetaData(); 00526 00527 private: 00531 int topmostInSelection(int); 00535 int bottommostInSelection(int); 00540 void removeSelection(bool inverted = false); 00541 00542 int removeTrackInternal(int i); 00543 00544 private slots: 00548 void preparePlayState(); 00552 void prepareForShufflePlaying(bool yes); 00557 void prepareGroups(bool enabled); 00558 00559 void onTaskFinished(); 00560 00561 private: 00562 PlayListTrack* m_current_track; 00563 PlayListTrack* m_stop_track; 00564 int m_current; 00565 SimpleSelection m_selection; 00566 QQueue <PlayListTrack*> m_queued_songs; 00567 PlayState* m_play_state; 00568 int m_total_length; 00569 FileLoader *m_loader; 00570 QString m_name; 00571 PlayListContainer *m_container; 00572 QmmpUiSettings *m_ui_settings; 00573 PlayListTask *m_task; 00574 }; 00575 00576 #endif