[epiphany] e-embed: only add one statusbar timeout at a time

[Diego Escalante Urrelo <diegoe src gnome org>]

commit 2a5f1034f247b69ddfd8be6b9f312c5bea1d0c86
Author: Diego Escalante Urrelo <diegoe igalia com>
Date:   Sun Dec 9 12:48:44 2012 -0500

    e-embed: only add one statusbar timeout at a time
    
    Otherwise the statusbar can disappear even if it has a valid message
    being displayed.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=685747

 embed/ephy-embed.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/embed/ephy-embed.c b/embed/ephy-embed.c
index a8a24bb..da56dd8 100644
--- a/embed/ephy-embed.c
+++ b/embed/ephy-embed.c
@@ -736,7 +736,9 @@ status_message_notify_cb (EphyWebView *view, GParamSpec *pspec, EphyEmbed *embed
   } else {
     /* A short timeout before hiding the statusbar ensures that while moving
       over a series of links, the overlay widget doesn't flicker on and off. */
-    priv->pop_statusbar_later_source_id = g_timeout_add (250, pop_statusbar_later_cb, embed);
+    if (priv->pop_statusbar_later_source_id == 0) {
+      priv->pop_statusbar_later_source_id = g_timeout_add (250, pop_statusbar_later_cb, embed);
+    }
   }
 }