[empathy] factor out start_from_desktop_file()

[Xavier Claessens <xclaesse src gnome org>]

commit a31a050ccad58fda65c076f370c756c1479a644e
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Jul 24 15:31:22 2012 +0200

    factor out start_from_desktop_file()

 src/empathy-accounts-dialog.c |   31 +++++++++++++++++--------------
 1 files changed, 17 insertions(+), 14 deletions(-)
---
diff --git a/src/empathy-accounts-dialog.c b/src/empathy-accounts-dialog.c
index 2a630d2..8e5f327 100644
--- a/src/empathy-accounts-dialog.c
+++ b/src/empathy-accounts-dialog.c
@@ -659,6 +659,22 @@ start_external_app (GAppInfo *app_info)
 }
 
 static void
+start_from_desktop_file (const char *desktop)
+{
+  GDesktopAppInfo *desktop_info;
+
+  desktop_info = g_desktop_app_info_new (desktop);
+  if (desktop_info == NULL)
+    {
+      g_critical ("Could not locate '%s'", desktop);
+      return;
+    }
+
+  start_external_app (G_APP_INFO (desktop_info));
+  g_object_unref (desktop_info);
+}
+
+static void
 use_external_storage_provider (EmpathyAccountsDialog *self,
     TpAccount *account)
 {
@@ -702,20 +718,7 @@ use_external_storage_provider (EmpathyAccountsDialog *self,
     }
   else if (!tp_strdiff (provider, "org.gnome.OnlineAccounts"))
     {
-      GDesktopAppInfo *desktop_info;
-
-      desktop_info = g_desktop_app_info_new (
-          "gnome-online-accounts-panel.desktop");
-      if (desktop_info == NULL)
-        {
-          g_critical ("Could not locate 'gnome-online-accounts-panel.desktop'");
-        }
-      else
-        {
-          start_external_app (G_APP_INFO (desktop_info));
-          g_object_unref (desktop_info);
-        }
-
+      start_from_desktop_file ("gnome-online-accounts-panel.desktop");
       return;
     }
   else