track.h

   1 /*
   2  * Copyright 2006 Timo Hirvonen
   3  */
   4
   5 #ifndef TRACK_H
   6 #define TRACK_H
   7
   8 #include "list.h"
   9 #include "iter.h"
  10
  11 struct simple_track {
  12         struct list_head node;
  13         struct track_info *info;
  14
  15         unsigned int marked : 1;
  16
  17         /* -1.. */
  18         int disc : 15;
  19
  20         /* -1.. */
  21         int num : 16;
  22 };
  23
  24 struct shuffle_track {
  25         struct simple_track simple_track;
  26         struct list_head node;
  27 };
  28
  29 static inline struct track_info *shuffle_track_info(const struct shuffle_track *track)
  30 {
  31         return ((struct simple_track *)track)->info;
  32 }
  33
  34 static inline struct simple_track *to_simple_track(const struct list_head *item)
  35 {
  36         return container_of(item, struct simple_track, node);
  37 }
  38
  39 static inline struct shuffle_track *to_shuffle_track(const struct list_head *item)
  40 {
  41         return container_of(item, struct shuffle_track, node);
  42 }
  43
  44 static inline struct simple_track *iter_to_simple_track(const struct iter *iter)
  45 {
  46         return iter->data1;
  47 }
  48
  49 /* NOTE: does not ref ti */
  50 void simple_track_init(struct simple_track *track, struct track_info *ti);
  51
  52 /* refs ti */
  53 struct simple_track *simple_track_new(struct track_info *ti);
  54
  55 int simple_track_get_prev(struct iter *);
  56 int simple_track_get_next(struct iter *);
  57
  58 /* data is window */
  59 int simple_track_search_get_current(void *data, struct iter *iter);
  60 int simple_track_search_matches(void *data, struct iter *iter, const char *text);
  61
  62 struct shuffle_track *shuffle_list_get_next(struct list_head *head, struct shuffle_track *cur,
  63                 int (*filter)(const struct simple_track *));
  64
  65 struct shuffle_track *shuffle_list_get_prev(struct list_head *head, struct shuffle_track *cur,
  66                 int (*filter)(const struct simple_track *));
  67
  68 struct simple_track *simple_list_get_next(struct list_head *head, struct simple_track *cur,
  69                 int (*filter)(const struct simple_track *));
  70
  71 struct simple_track *simple_list_get_prev(struct list_head *head, struct simple_track *cur,
  72                 int (*filter)(const struct simple_track *));
  73
  74 int simple_track_cmp(const struct list_head *a_head, const struct list_head *b_head, const char * const *keys);
  75 void sorted_list_add_track(struct list_head *head, struct simple_track *track, const char * const *keys);
  76
  77 void shuffle_list_add_track(struct list_head *head, struct list_head *node, int nr);
  78 void reshuffle(struct list_head *head);
  79
  80 int simple_list_for_each_marked(struct list_head *head,
  81                 int (*cb)(void *data, struct track_info *ti), void *data, int reverse);
  82
  83 #endif