/*
 * Copyright 2013 (c) Anna Schumaker.
 *
 * The temporary queue manager controls access to any temporary
 * queues created by the user.  When saving to disk:
 *
 * 	length(tempq_list)
 * 	flags num_tracks track_0 track_1 ... track_N
 * 	flags num_tracks track_0 track_1 ... track_N
 */
#ifndef OCARINA_CORE_DECK_H
#define OCARINA_CORE_DECK_H

#include <core/queue.h>


/* Called to initialize the temporary queue manager. */
void tempq_init(struct queue_ops *);

/* Called to deinitialize the temporary queue manager. */
void tempq_deinit();

/* Called to save the temporary queue list. */
void tempq_save(struct queue *, enum queue_flags);


/* Called to allocate a new temporary queue. */
struct queue *tempq_alloc(unsigned int);

/* Called to free a temporary queue. */
void tempq_free(struct queue *);

/* Called to find a temporary queue by index. */
struct queue *tempq_get(unsigned int);

/* Called to find the index of a temporary queue. */
unsigned int tempq_index(struct queue *);

/* Called to move a temporary queue to a new index in the list. */
void tempq_move(struct queue *, unsigned int);

/* Called to find the next track to play. */
struct track *tempq_next();

/* Called to find the number of temporary queues currently allocated. */
unsigned int tempq_count();

/* Called to tell temporary queues that a track has been updated. */
void tempq_updated(struct track *);

#endif /* OCARINA_CORE_DECK_H */