static gboolean
grl_gravatar_source_may_resolve (GrlSource *source,
GrlMedia *media,
GrlKeyID key_id,
GList **missing_keys)
{
/* FIXME: we should check whether the artist/author in @media is in an email
* format */
if (key_id == GRL_METADATA_KEY_ARTIST_AVATAR)
return has_dependency (media, GRL_METADATA_KEY_ARTIST, missing_keys);
else if (key_id == GRL_METADATA_KEY_AUTHOR_AVATAR)
return has_dependency (media, GRL_METADATA_KEY_AUTHOR, missing_keys);
return FALSE;
}
int add_dependency(struct node *n, struct node *dep)
{
struct node_list *link;
if (has_dependency(n, dep))
return 0;
link = malloc(sizeof(*link));
if (!link) {
perror("malloc failed");
return 1;
}
debug_printf(DEBUG_LOTS, "adding dependency %s -> %s\n",
n->file, dep->file);
link->n = n;
link->next = dep->kids;
dep->kids = link;
return 0;
}