Sayonara Player
Playlist.h
1 /* Playlist.h */
2 
3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef PLAYLIST_H
22 #define PLAYLIST_H
23 
24 #include "PlaylistDBInterface.h"
25 #include "PlaylistStopBehavior.h"
26 
27 #include "Utils/Playlist/PlaylistFwd.h"
28 #include "Utils/Playlist/PlaylistMode.h"
29 
30 #include "Utils/Pimpl.h"
31 
32 #include <QObject>
33 
34 class PlayManager;
35 
36 namespace Playlist
37 {
42  class Playlist :
43  public QObject,
44  public DBInterface,
45  protected StopBehavior
46  {
47  Q_OBJECT
48  PIMPL(Playlist)
49 
50  friend class Handler;
51 
52  signals:
53  void sigFindTrackRequested(const MetaData& track);
54  void sigDeleteFilesRequested(const MetaDataList& tracks);
55 
56  void sigItemsChanged(int index);
57  void sigTrackChanged(int oldIndex, int newIndex);
58  void sigStopped();
59  void sigBusyChanged(bool b);
60  void sigCurrentScannedFileChanged(const QString& currentFile);
61 
62  public:
63  explicit Playlist(int idx, const QString& name, PlayManager* playManager);
64  virtual ~Playlist() override;
65 
66  int createPlaylist(const MetaDataList& tracks);
67 
68  virtual int currentTrackIndex() const;
69  bool currentTrack(MetaData& track) const;
70 
71  int index() const;
72  void setIndex(int idx);
73 
74  Mode mode() const;
75  void setMode(const Mode& mode);
76 
77  MilliSeconds runningTime() const;
78  int count() const override;
79 
80  void enableAll();
81 
82  void play();
83  void stop();
84  void fwd();
85  void bwd();
86  void next();
87  bool wakeUp();
88 
89  void setBusy(bool b);
90  bool isBusy() const;
91 
92  void reverse();
93 
94  const MetaData& track(int index) const override;
95  const MetaDataList& tracks() const override;
96 
97  void insertTracks(const MetaDataList& tracks, int targetIndex);
98  void appendTracks(const MetaDataList& tracks);
99  void removeTracks(const IndexSet& indexes);
100  void replaceTrack(int idx, const MetaData& track);
101  void clear();
102 
103  IndexSet moveTracks(const IndexSet& index, int targetRow);
104  IndexSet copyTracks(const IndexSet& indexes, int tgt);
105 
106  void findTrack(int idx);
107  bool changeTrack(int index, MilliSeconds positionMs=0);
108  bool wasChanged() const override;
109 
110  void reloadFromDatabase();
111  void deleteTracks(const IndexSet& indexes);
112 
113  public slots:
114  void metadataDeleted();
115  void metadataChanged();
116  void currentMetadataChanged();
117  void durationChanged();
118 
119  private slots:
120  void settingPlaylistModeChanged();
121 
122  private:
123  int calcShuffleTrack();
124  void setCurrentTrack(int index);
125  void setChanged(bool b) override;
126  };
127 }
128 #endif // PLAYLIST_H
The MetaDataList class.
Definition: MetaDataList.h:37
The MetaData class.
Definition: MetaData.h:47
Global handler for current playback state (Singleton)
Definition: PlayManager.h:36
The PlaylistDBInterface class.
Definition: PlaylistDBInterface.h:37
Global handler for playlists.
Definition: PlaylistHandler.h:56
The Mode class.
Definition: PlaylistMode.h:42
The Playlist class.
Definition: Playlist.h:46
Definition: PlaylistStopBehavior.h:34
A set structure. Inherited from std::set with some useful methods. For integer and String this set is...
Definition: Set.h:37