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         unsigned int marked : 1;
  15 };
  16
  17 struct shuffle_track {
  18         struct simple_track simple_track;
  19         struct list_head node;
  20 };
  21
  22 static inline struct track_info *shuffle_track_info(const struct shuffle_track *track)
  23 {
  24         return ((struct simple_track *)track)->info;
  25 }
  26
  27 static inline struct simple_track *to_simple_track(const struct list_head *item)
  28 {
  29         return container_of(item, struct simple_track, node);
  30 }
  31
  32 static inline struct shuffle_track *to_shuffle_track(const struct list_head *item)
  33 {
  34         return container_of(item, struct shuffle_track, node);
  35 }
  36
  37 static inline struct simple_track *iter_to_simple_track(const struct iter *iter)
  38 {
  39         return iter->data1;
  40 }
  41
  42 /* NOTE: does not ref ti */
  43 void simple_track_init(struct simple_track *track, struct track_info *ti);
  44
  45 /* refs ti */
  46 struct simple_track *simple_track_new(struct track_info *ti);
  47
  48 int simple_track_get_prev(struct iter *);
  49 int simple_track_get_next(struct iter *);
  50
  51 /* data is window */
  52 int simple_track_search_get_current(void *data, struct iter *iter);
  53 int simple_track_search_matches(void *data, struct iter *iter, const char *text);
  54
  55 struct shuffle_track *shuffle_list_get_next(struct list_head *head, struct shuffle_track *cur,
  56                 int (*filter)(const struct simple_track *));
  57
  58 struct shuffle_track *shuffle_list_get_prev(struct list_head *head, struct shuffle_track *cur,
  59                 int (*filter)(const struct simple_track *));
  60
  61 struct simple_track *simple_list_get_next(struct list_head *head, struct simple_track *cur,
  62                 int (*filter)(const struct simple_track *));
  63
  64 struct simple_track *simple_list_get_prev(struct list_head *head, struct simple_track *cur,
  65                 int (*filter)(const struct simple_track *));
  66
  67 void sorted_list_add_track(struct list_head *head, struct simple_track *track, const char * const *keys);
  68
  69 void list_add_rand(struct list_head *head, struct list_head *node, int nr);
  70 void reshuffle(struct list_head *head);
  71
  72 int simple_list_for_each_marked(struct list_head *head,
  73                 int (*cb)(void *data, struct track_info *ti), void *data, int reverse);
  74
  75 #endif