[grilo-plugins] Revert "lua-factory: port grl-radiofrance.lua to the new lua system"

[Bastien Nocera <hadess src gnome org>]

commit 2e0d1c87812865434e5c549b2c1824b5b8bf500d
Author: Victor Toso <me victortoso com>
Date:   Tue Mar 8 23:28:10 2016 +0100

    Revert "lua-factory: port grl-radiofrance.lua to the new lua system"
    
    This reverts commit 93547ac94797cdea6670b0d458e838bcdb578f77.
    
    But keeps grl.fetch callback as function instead of string
    
    https://bugzilla.gnome.org/show_bug.cgi?id=763046

 src/lua-factory/sources/grl-radiofrance.lua |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/src/lua-factory/sources/grl-radiofrance.lua b/src/lua-factory/sources/grl-radiofrance.lua
index ddbea83..92b022b 100644
--- a/src/lua-factory/sources/grl-radiofrance.lua
+++ b/src/lua-factory/sources/grl-radiofrance.lua
@@ -40,16 +40,16 @@ source = {
 -- Source utils --
 ------------------
 
-function grl_source_browse(media, options, callback)
-  if options.skip > 0 then
-    callback()
+function grl_source_browse(media_id)
+  if grl.get_options("skip") > 0 then
+    grl.callback()
   else
     local urls = {}
     for index, item in pairs(stations) do
       local url = 'http://www.' .. item .. '.fr/player'
       table.insert(urls, url)
     end
-    grl.fetch(urls, radiofrance_now_fetch_cb, callback)
+    grl.fetch(urls, radiofrance_now_fetch_cb)
   end
 end
 
@@ -58,13 +58,13 @@ end
 ------------------------
 
 -- return all the media found
-function radiofrance_now_fetch_cb(results, callback)
+function radiofrance_now_fetch_cb(results)
   for index, result in pairs(results) do
     local media = create_media(stations[index], result)
-    callback(media, -1)
+    grl.callback(media, -1)
   end
 
-  callback()
+  grl.callback()
 end
 
 -------------