[totem] main: Fix seeking back from the last chapter of a DVD

[Bastien Nocera <hadess src gnome org>]

commit 4eb42ec44d28525e775eb32cc26f57b30b6f120a
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Mar 15 15:40:00 2013 +0100

    main: Fix seeking back from the last chapter of a DVD
    
    We were calling "has_next_track" even in the cases where we
    wanted to check from the existence of the previous track.

 src/totem-object.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/totem-object.c b/src/totem-object.c
index 5df6d25..51e33c6 100644
--- a/src/totem-object.c
+++ b/src/totem-object.c
@@ -1737,15 +1737,17 @@ totem_time_within_seconds (TotemObject *totem)
        return (_time < REWIND_OR_PREVIOUS);
 }
 
+#define totem_has_direction_track(totem, dir) (dir == TOTEM_PLAYLIST_DIRECTION_NEXT ? 
bacon_video_widget_has_next_track (totem->bvw) : bacon_video_widget_has_previous_track (totem->bvw))
+
 static void
 totem_action_direction (TotemObject *totem, TotemPlaylistDirection dir)
 {
-       if (bacon_video_widget_has_next_track (totem->bvw) == FALSE &&
+       if (totem_has_direction_track (totem, dir) == FALSE &&
            totem_playlist_has_direction (totem->playlist, dir) == FALSE &&
            totem_playlist_get_repeat (totem->playlist) == FALSE)
                return;
 
-       if (bacon_video_widget_has_next_track (totem->bvw) != FALSE) {
+       if (totem_has_direction_track (totem, dir) != FALSE) {
                BvwDVDEvent event;
                event = (dir == TOTEM_PLAYLIST_DIRECTION_NEXT ? BVW_DVD_NEXT_CHAPTER : BVW_DVD_PREV_CHAPTER);
                bacon_video_widget_dvd_event (totem->bvw, event);