[empathy] CallWindow: make video buttons unsensitive when video not supported

[Emilio Pozuelo Monfort <epm src gnome org>]

commit 022c807d5dee69a54c565051cea62571b29d3ebf
Author: Emilio Pozuelo Monfort <emilio pozuelo collabora co uk>
Date:   Wed Aug 31 09:20:28 2011 +0100

    CallWindow: make video buttons unsensitive when video not supported
    
    If we're calling an audio-only contact, make the camera buttons
    unsensitive.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=656871

 src/empathy-call-window.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/empathy-call-window.c b/src/empathy-call-window.c
index c936bb5..ccec9f6 100644
--- a/src/empathy-call-window.c
+++ b/src/empathy-call-window.c
@@ -2004,6 +2004,12 @@ empathy_call_window_constructed (GObject *object)
   g_object_get (priv->handler, "target-contact", &priv->contact, NULL);
   g_assert (priv->contact != NULL);
 
+  if (!empathy_contact_can_voip_video (priv->contact))
+    {
+      gtk_widget_set_sensitive (priv->video_call_button, FALSE);
+      gtk_widget_set_sensitive (priv->camera_button, FALSE);
+    }
+
   empathy_call_window_setup_avatars (self, priv->handler);
   empathy_call_window_set_state_connecting (self);