source/playlist.h

   1 #ifndef MSP_AL_PLAYLIST_H_
   2 #define MSP_AL_PLAYLIST_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include <msp/datafile/objectloader.h>
   7
   8 namespace Msp {
   9 namespace AL {
  10
  11 class Playlist
  12 {
  13 public:
  14         class Loader: public DataFile::CollectionObjectLoader<Playlist>
  15         {
  16         public:
  17                 Loader(Playlist &);
  18                 Loader(Playlist &, Collection &);
  19         private:
  20                 void init();
  21
  22                 void track(const std::string &);
  23         };
  24
  25 private:
  26         struct Track
  27         {
  28                 const DataFile::Collection *collection;
  29                 std::string filename;
  30
  31                 Track();
  32                 Track(const std::string &);
  33         };
  34
  35         bool shuffle;
  36         std::vector<Track> tracks;
  37
  38 public:
  39         Playlist();
  40
  41         void add_track(const std::string &);
  42         void remove_track(const std::string &);
  43         void clear_tracks();
  44         void set_shuffle(bool);
  45         const std::string &get_track(unsigned) const;
  46         unsigned size() const { return tracks.size(); }
  47         bool empty() const { return tracks.empty(); }
  48
  49         unsigned advance(unsigned, int = 1) const;
  50         IO::Seekable *open(unsigned) const;
  51 };
  52
  53 } // namespace AL
  54 } // namespace Msp
  55
  56 #endif