libsaria: Add a load_file() callback

libsaria/audio/__init__.py

@@ -16,7 +16,7 @@ def load_file(file):
 	lock_audio()
 	pipeline.load_file("file", file)
 	unlock_audio()
-	#callback.song_changed()
+	callbacks.load_file(file)
 
 def get_state():
 	lock_audio()

libsaria/callbacks.py

@@ -10,3 +10,7 @@ def play():
 on_pause = null_cb
 def pause():
 	on_pause()
+
+on_load = null_cb
+def load_file(file):
+	on_load(file)

libsaria/controls.py

@@ -105,4 +105,4 @@ def load(file):
 	file = expand(file)
 	if not exists(file):
 		return False
-	return call("LOAD", audio.load_file, file)
+	audio.load_file(file)

ocarina/callbacks.py

@@ -18,11 +18,11 @@ def on_pause(*args):
 	footer.on_pause()
 callbacks.on_pause = on_pause
 
-def on_load(*args):
+def on_load(file):
 	footer.on_load()
 	queue.refresh()
 	body.cur_page_goto()
-invite("POSTLOAD", on_load)
+callbacks.on_load = on_load
 
 def on_like(*args):
 	footer.on_like()