[gnome-boxes] unattended-setup-box: Detect internet if needed

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 61bd553d867b2d1e7aeb54e201fe7f16a934942b
Author: Lasse Schuirmann <lasse schuirmann gmail com>
Date:   Tue Aug 12 18:06:49 2014 +0200

    unattended-setup-box: Detect internet if needed
    
    This is needed to take the needs-internet param of Osinfo.InstallScript
    into account for the express installation.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=734675

 src/unattended-installer.vala |    4 +++-
 src/unattended-setup-box.vala |   29 +++++++++++++++++++++++++++--
 2 files changed, 30 insertions(+), 3 deletions(-)
---
diff --git a/src/unattended-installer.vala b/src/unattended-installer.vala
index a8f279c..c9e0394 100644
--- a/src/unattended-installer.vala
+++ b/src/unattended-installer.vala
@@ -100,7 +100,7 @@ private class Boxes.UnattendedInstaller: InstallerMedia {
         kbd = lang;
         product_key_format = get_product_key_format ();
 
-        setup_box = new UnattendedSetupBox (os_media.live, product_key_format);
+        setup_box = new UnattendedSetupBox (os_media.live, product_key_format, false);
         setup_box.notify["ready-to-create"].connect (() => {
             notify_property ("ready-to-create");
         });
@@ -282,6 +282,8 @@ private class Boxes.UnattendedInstaller: InstallerMedia {
     public override void clean_up () {
         base.clean_up ();
 
+        setup_box.clean_up ();
+
         try {
             if (disk_file != null) {
                 delete_file (disk_file);
diff --git a/src/unattended-setup-box.vala b/src/unattended-setup-box.vala
index 54bbc56..fb4f3d5 100644
--- a/src/unattended-setup-box.vala
+++ b/src/unattended-setup-box.vala
@@ -87,11 +87,12 @@ private class Boxes.UnattendedSetupBox : Gtk.Box {
 
     private string? product_key_format;
 
-    public UnattendedSetupBox (bool live, string? product_key_format) {
+    public UnattendedSetupBox (bool live, string? product_key_format, bool needs_internet) {
         this.product_key_format = product_key_format;
-        express_toggle.active = !live;
         username_entry.text = Environment.get_user_name ();
 
+        setup_express_toggle (live, needs_internet);
+
         if (product_key_format != null) {
             product_key_label.visible = true;
 
@@ -105,6 +106,30 @@ private class Boxes.UnattendedSetupBox : Gtk.Box {
                 express_toggle.bind_property ("active", child, "sensitive", BindingFlags.SYNC_CREATE);
     }
 
+    public void clean_up () {
+        NetworkMonitor.get_default ().network_changed.disconnect (update_express_toggle);
+    }
+
+    private void setup_express_toggle (bool live, bool needs_internet) {
+        express_toggle.active = !live;
+
+        if (!needs_internet)
+            return;
+
+        var network_monitor = NetworkMonitor.get_default ();
+        update_express_toggle (network_monitor.get_network_available ());
+        network_monitor.network_changed.connect (update_express_toggle);
+    }
+
+    private void update_express_toggle(bool network_available) {
+        if (network_available) {
+            express_toggle.sensitive = true;
+        } else {
+            express_toggle.sensitive = false;
+            express_toggle.active = false;
+        }
+    }
+
     [GtkCallback]
     private void on_mandatory_input_changed () {
         notify_property ("ready-to-create");