92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
/*
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* Copyright 2016 (c) Anna Schumaker.
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*/
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#ifndef OCARINA_CORE_PLAYLISTS_GENERIC_H
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#define OCARINA_CORE_PLAYLISTS_GENERIC_H
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#include <core/playlists/iterator.h>
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#include <core/playlists/playlist.h>
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enum playlist_save_flags {
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PL_SAVE_FLAGS = (1 << 0), /* Save playlist random and sort data. */
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PL_SAVE_ITER = (1 << 1), /* Save playlist iterator position. */
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PL_SAVE_TRACKS = (1 << 2), /* Save playlist tracks. */
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};
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#define PL_SAVE_METADATA (PL_SAVE_FLAGS | PL_SAVE_ITER)
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#define PL_SAVE_ALL (PL_SAVE_TRACKS | PL_SAVE_METADATA)
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struct playlist_callbacks {
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/* Called to notify that a new playlist has been allocated. */
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void (*pl_cb_alloc)(struct playlist *);
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/* Called to notify that a track has been added. */
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void (*pl_cb_added)(struct playlist *, struct track *);
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/*
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* Called to notify that N instances of a track have been removed.
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* Track may be NULL to indicate that several different tracks were
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* removed at once.
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*/
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void (*pl_cb_removed)(struct playlist *, struct track *, unsigned int n);
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/*
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* Called to notify that a track has been updated.
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* If the track is NULL, then the entire playlist should be updated.
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*/
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void (*pl_cb_updated)(struct playlist *, struct track *);
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};
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/* Called to set playlist callbacks. */
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void playlist_generic_set_callbacks(struct playlist_callbacks *);
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/* Generic playlist init functions. */
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void playlist_generic_init(struct playlist *, unsigned int, ...);
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/* Generic playlist deinit function. */
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void playlist_generic_deinit(struct playlist *);
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/* Generic playlist alloc function. */
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struct playlist *playlist_generic_alloc(gchar *, enum playlist_type_t,
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unsigned int, struct playlist_ops *,
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unsigned int, ...);
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/* Generic playlist free function. */
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void playlist_generic_free(struct playlist *);
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/* Generic playlist save function. */
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void playlist_generic_save(struct playlist *, struct file *, unsigned int);
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/* Generic playlist load function. */
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void playlist_generic_load(struct playlist *, struct file *, unsigned int);
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/* Generic playlist can-select function. */
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bool playlist_generic_can_select(struct playlist *);
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/* Generic playlist clear operation. */
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void playlist_generic_clear(struct playlist *);
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/* Generic playlist add track operations. */
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bool playlist_generic_add(struct playlist *, struct track *);
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bool playlist_generic_add_front(struct playlist *, struct track *);
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/* Generic playlist remove track operation. */
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bool playlist_generic_remove(struct playlist *, struct track *);
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/* Generic playlist update track operation. */
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void playlist_generic_update(struct playlist *, struct track *);
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/* Generic playlist set_random operation. */
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void playlist_generic_set_random(struct playlist *, bool);
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/* Generic playlist sorting operations. */
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void playlist_generic_sort(struct playlist *, enum compare_t);
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void playlist_generic_resort(struct playlist *);
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/* Generic playlist rearranging operation. */
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bool playlist_generic_rearrange(struct playlist *, unsigned int, unsigned int);
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/* Generic playlist next track operation. */
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struct track *playlist_generic_next(struct playlist *);
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#endif /* OCARINA_CORE_PLAYLISTS_GENERIC_H */
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