[rhythmbox] mpris: add some debug output for track change events

[Jonathan Matthew <jmatthew src gnome org>]

commit cddb1311c5987c612b112960cde14e60cd0ba05d
Author: Jonathan Matthew <jonathan d14n org>
Date:   Fri Jun 18 11:45:41 2010 +1000

    mpris: add some debug output for track change events

 plugins/mpris/rb-mpris-plugin.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/plugins/mpris/rb-mpris-plugin.c b/plugins/mpris/rb-mpris-plugin.c
index 45adb70..57221bc 100644
--- a/plugins/mpris/rb-mpris-plugin.c
+++ b/plugins/mpris/rb-mpris-plugin.c
@@ -481,7 +481,7 @@ emit_track_change (RBMprisPlugin *plugin, RhythmDBEntry *entry)
 				       g_variant_new ("(a{sv})", builder),
 				       &error);
 	if (error != NULL) {
-		g_warning ("Unable to emit MPRIS StatusChange signal: %s", error->message);
+		g_warning ("Unable to emit MPRIS TrackChange signal: %s", error->message);
 		g_error_free (error);
 	}
 }
@@ -489,14 +489,17 @@ emit_track_change (RBMprisPlugin *plugin, RhythmDBEntry *entry)
 static void
 playing_entry_changed_cb (RBShellPlayer *player, RhythmDBEntry *entry, RBMprisPlugin *plugin)
 {
+	rb_debug ("emitting track change due to playing entry change");
 	emit_track_change (plugin, entry);
 }
 
 static void
 entry_extra_metadata_notify_cb (RhythmDB *db, RhythmDBEntry *entry, const char *field, GValue *metadata, RBMprisPlugin *plugin)
 {
-	if (entry == rb_shell_player_get_playing_entry (plugin->player))
+	if (entry == rb_shell_player_get_playing_entry (plugin->player)) {
+		rb_debug ("emitting track change due to extra metadata field %s", field);
 		emit_track_change (plugin, entry);
+	}
 }
 
 static void