database: make parent tables work with plugin

Enables the use of PictureFlow and the Properties plugin
with parent tables of ALLSUBENTRIES, such as an album
or album artist, instead of individual tracks.

Change-Id: I18c4779ed116a48c732ae32b9629e7e0d93ce7c8

1 files changed, 2 insertions, 0 deletions

diff --git a/apps/tagtree.h b/apps/tagtree.h
index 6eaaf3dfac..39ab545bd0 100644
--- a/apps/tagtree.h
+++ b/apps/tagtree.h
@@ -45,6 +45,8 @@ char *tagtree_get_title(struct tree_context* c);
 int tagtree_get_attr(struct tree_context* c);
 int tagtree_get_icon(struct tree_context* c);
 int tagtree_get_filename(struct tree_context* c, char *buf, int buflen);
+bool tagtree_get_subentry_filename(char *buf, size_t bufsize);
+bool tagtree_subentries_do_action(bool (*action_cb)(const char *file_name));
 
 #endif
 #endif