[totem/gnome-2-28] Disable seeking in DVD menus

[Bastien Nocera <hadess src gnome org>]

commit 217dafd8e91083fda327372a9ff744fad0411fab
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Apr 8 13:41:07 2010 +0100

    Disable seeking in DVD menus
    
    If we enabled seeking in menus, either we'd miss
    navigation events, or we'd need to parse the MPEG stream
    anyway. So just disable DVD menus right now.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=607556

 src/backend/bacon-video-widget-gst-0.10.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/src/backend/bacon-video-widget-gst-0.10.c b/src/backend/bacon-video-widget-gst-0.10.c
index 093934d..a856d70 100644
--- a/src/backend/bacon-video-widget-gst-0.10.c
+++ b/src/backend/bacon-video-widget-gst-0.10.c
@@ -1502,7 +1502,11 @@ bvw_handle_element_message (BaconVideoWidget *bvw, GstMessage *msg)
               is_menu |= (cmd == GST_NAVIGATION_COMMAND_DOWN);
             }
           }
-          bvw->priv->is_menu = is_menu;
+	  /* Are we in a menu now? */
+	  if (bvw->priv->is_menu != is_menu) {
+	    bvw->priv->is_menu = is_menu;
+	    g_object_notify (G_OBJECT (bvw), "seekable");
+	  }
         }
 
         gst_query_unref (cmds_q);
@@ -5049,6 +5053,9 @@ bacon_video_widget_is_seekable (BaconVideoWidget * bvw)
 
   old_seekable = bvw->priv->seekable;
 
+  if (bvw->priv->is_menu != FALSE)
+    return FALSE;
+
   if (bvw->priv->seekable == -1) {
     GstQuery *query;