ocarina: Fill new library

I make the list of songs visible, I also update the number of songs.
Finally, I respond to the library_updated() callback when songs are
added / removed from the library.

ocarina/callbacks.py

@@ -6,6 +6,7 @@ from ocarina import body
 from ocarina.body import footer
 from libsaria import callbacks
 import playlist
+import library
 import oldlibrary
 
 def on_play():
@@ -42,6 +43,10 @@ def on_load_library():
 	oldlibrary.refresh()
 callbacks.on_new_source = on_load_library
 
+def library_updated():
+	library.refresh()
+callbacks.on_library_updated = library_updated
+
 def on_queue_changed():
 	queue.refresh()
 callbacks.on_queue_changed = on_queue_changed

ocarina/library.py

@@ -1,8 +1,24 @@
 # Bryan Schumaker (5 / 20 / 2011)
 
+import libsaria
 import sources
 import body
 
+library  = libsaria.sources.library
 lib_page = sources.Source()
 LIB_PAGE = body.add_page(lib_page, "Library")
 LIB_PAGE.goto = lib_page.goto
+
+def set_label_text():
+	LIB_PAGE.label.set_text("Library (%s)" % library.num_visible())
+
+def fill_library():
+	attrs = ("id", "title", "lenstr", "artist", "album", "year")
+	songs = libsaria.sources.list_library(*attrs)
+	lib_page.insert(songs)
+	set_label_text()
+fill_library()
+
+def refresh():
+	lib_page.clear()
+	fill_library()