[libmediaart/api-cleanup: 9/11] extract: Use a more logical ordered heuristic for caching strings

[Martyn James Russell <mr src gnome org>]

commit 36d59330e85571fb660c9f85fb9043b37848a0ef
Author: Martyn Russell <martyn lanedo com>
Date:   Tue Feb 25 12:24:08 2014 +0000

    extract: Use a more logical ordered heuristic for caching strings

 libmediaart/extract.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/libmediaart/extract.c b/libmediaart/extract.c
index c421678..354bb59 100644
--- a/libmediaart/extract.c
+++ b/libmediaart/extract.c
@@ -1380,11 +1380,12 @@ get_heuristic_for_parent_path (GFile        *file,
                g_object_unref (parent);
        }
 
-       key = g_strdup_printf ("%i-%s-%s-%s",
-                              type,
+       /* Just used for caching in our hash table */
+       key = g_strdup_printf ("%s:%s:%s:%s",
+                              parent_path ? parent_path : "",
+                              media_art_type_name[type],
                               artist ? artist : "",
-                              title ? title : "",
-                              parent_path ? parent_path : "");
+                              title ? title : "");
 
        g_free (parent_path);