[baobab] Hide Scan Remote if needed

[Paolo Borelli <pborelli src gnome org>]

commit 33dd963ec88a581b1a222eafe76c4f7496116dfa
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Aug 4 12:45:41 2012 +0200

    Hide Scan Remote if needed
    
    Hide the "scan remote" button if nautilus-connect-server is not
    available

 src/baobab-connect-server.vala |    6 +++++-
 src/baobab-window.vala         |    4 ++++
 2 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/src/baobab-connect-server.vala b/src/baobab-connect-server.vala
index e69c3b3..aea5e6d 100644
--- a/src/baobab-connect-server.vala
+++ b/src/baobab-connect-server.vala
@@ -21,7 +21,7 @@
 namespace Baobab {
 
     class ConnectServer : Object {
-        string[] argv = {
+        const string[] argv = {
             "nautilus-connect-server",
             "--print-uri"
         };
@@ -78,5 +78,9 @@ namespace Baobab {
 
             ChildWatch.add (pid, on_child_watch);
         }
+
+        public static bool available () {
+            return (GLib.Environment.find_program_in_path (argv[0]) != null);
+        }
     }
 }
diff --git a/src/baobab-window.vala b/src/baobab-window.vala
index 6a4538f..cc06946 100644
--- a/src/baobab-window.vala
+++ b/src/baobab-window.vala
@@ -26,6 +26,7 @@ namespace Baobab {
         Settings ui_settings;
         Gtk.Notebook main_notebook;
         Gtk.Toolbar toolbar;
+        Gtk.Button scan_remote;
         Gtk.ToolItem toolbar_home_toolitem;
         Gtk.ToolButton toolbar_show_home_page;
         Gtk.Label toolbar_label;
@@ -117,6 +118,7 @@ namespace Baobab {
             // Cache some objects from the builder.
             main_notebook = builder.get_object ("main-notebook") as Gtk.Notebook;
             toolbar = builder.get_object ("toolbar") as Gtk.Toolbar;
+            scan_remote = builder.get_object ("scan-remote-button") as Gtk.Button;
             toolbar_home_toolitem = builder.get_object ("home-page-toolitem") as Gtk.ToolItem;
             toolbar_show_home_page = builder.get_object ("show-home-page-button") as Gtk.ToolButton;
             toolbar_label = builder.get_object ("toolbar-label") as Gtk.Label;
@@ -136,6 +138,8 @@ namespace Baobab {
             location_list.set_action (on_scan_location_activate);
             location_list.update ();
 
+            scan_remote.visible = ConnectServer.available ();
+
             setup_treeview (builder);
 
             var infobar_close_button = builder.get_object ("infobar-close-button") as Gtk.Button;