play_queue.c

   1 /*
   2  * Copyright 2005-2006 Timo Hirvonen
   3  */
   4
   5 #include "play_queue.h"
   6 #include "editable.h"
   7 #include "track.h"
   8 #include "xmalloc.h"
   9
  10 struct editable pq_editable;
  11
  12 static void pq_free_track(struct list_head *item)
  13 {
  14         struct simple_track *track = to_simple_track(item);
  15
  16         track_info_unref(track->info);
  17         free(track);
  18 }
  19
  20 void play_queue_init(void)
  21 {
  22         editable_init(&pq_editable, pq_free_track);
  23 }
  24
  25 void play_queue_append(struct track_info *ti)
  26 {
  27         struct simple_track *t = simple_track_new(ti);
  28
  29         editable_add(&pq_editable, t);
  30 }
  31
  32 void play_queue_prepend(struct track_info *ti)
  33 {
  34         struct simple_track *t = simple_track_new(ti);
  35
  36         list_add(&t->node, &pq_editable.head);
  37         pq_editable.nr_tracks++;
  38         if (t->info->duration != -1)
  39                 pq_editable.total_time += t->info->duration;
  40         window_changed(pq_editable.win);
  41 }
  42
  43 struct track_info *play_queue_remove(void)
  44 {
  45         struct list_head *item;
  46         struct simple_track *t;
  47         struct track_info *info;
  48         struct iter iter;
  49
  50         item = pq_editable.head.next;
  51         if (item == &pq_editable.head)
  52                 return NULL;
  53
  54         t = to_simple_track(item);
  55
  56         editable_track_to_iter(&pq_editable, t, &iter);
  57         window_row_vanishes(pq_editable.win, &iter);
  58
  59         pq_editable.nr_marked -= t->marked;
  60         pq_editable.nr_tracks--;
  61         list_del(&t->node);
  62
  63         info = t->info;
  64         free(t);
  65         return info;
  66 }