[empathy] camera-menu: Show the menu only if there is more than one camera

[Debarshi Ray <debarshir src gnome org>]

commit fdb8845d0b1bb476cc82bc1efc2214015e3a3730
Author: Debarshi Ray <debarshir src gnome org>
Date:   Thu Nov 8 23:28:48 2012 +0100

    camera-menu: Show the menu only if there is more than one camera
    
    Fixes: https://bugzilla.gnome.org/687449

 src/empathy-camera-menu.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/src/empathy-camera-menu.c b/src/empathy-camera-menu.c
index a0e0ca6..5f1bd07 100644
--- a/src/empathy-camera-menu.c
+++ b/src/empathy-camera-menu.c
@@ -157,12 +157,20 @@ static void
 empathy_camera_menu_update (EmpathyCameraMenu *self)
 {
   GList *l;
+  GtkAction *menu;
   GtkUIManager *ui_manager;
   EmpathyGstVideoSrc *video;
+  gboolean show_menu;
   gchar *current_camera = NULL;
+  guint n_cameras;
 
   ui_manager = empathy_call_window_get_ui_manager (self->priv->window);
 
+  menu = gtk_ui_manager_get_action (ui_manager, "/menubar1/edit/menucamera");
+  n_cameras = g_queue_get_length (self->priv->cameras);
+  show_menu = (n_cameras > 1);
+  gtk_action_set_visible (menu, show_menu);
+
   video = empathy_call_window_get_video_src (self->priv->window);
   if (video != NULL)
     current_camera = empathy_video_src_dup_device (video);