[gnome-boxes] vm-creator: Add 'expess_install' property

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 2621d593b9b9de643c753cf6219775e9c34000e7
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Nov 12 13:08:45 2014 +0000

    vm-creator: Add 'expess_install' property
    
    Add a convenient property to find out if vm-creator is doing (or going
    to do) an express installation.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=694931

 src/libvirt-machine-properties.vala |    3 +--
 src/vm-creator.vala                 |    9 +++++++--
 2 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/src/libvirt-machine-properties.vala b/src/libvirt-machine-properties.vala
index 9b1c1e4..5718da2 100644
--- a/src/libvirt-machine-properties.vala
+++ b/src/libvirt-machine-properties.vala
@@ -313,8 +313,7 @@ private class Boxes.LibvirtMachineProperties: GLib.Object, Boxes.IPropertiesProv
         if (machine.vm_creator != null) {
             var media = machine.vm_creator.install_media;
 
-            if ((media is UnattendedInstaller && (media as UnattendedInstaller).setup_box.express_install) ||
-                (media.os_media != null && media.os_media.live)) {
+            if (machine.vm_creator.express_install || (media.os_media != null && media.os_media.live)) {
                 // Don't let user eject installer media if its an express installation or a live media
                 add_property (ref list, _("CD/DVD"), grid);
 
diff --git a/src/vm-creator.vala b/src/vm-creator.vala
index 3d3d2e5..a540141 100644
--- a/src/vm-creator.vala
+++ b/src/vm-creator.vala
@@ -9,6 +9,12 @@ private class Boxes.VMCreator {
     private const int INSTALL_COMPLETE_PERCENT = 99;
 
     public InstallerMedia? install_media { get; protected set; }
+    public bool express_install {
+        get {
+            return ((install_media is UnattendedInstaller) &&
+                    (install_media as UnattendedInstaller).setup_box.express_install);
+        }
+    }
 
     private Connection? connection { owned get { return App.app.default_connection; } }
     private ulong state_changed_id;
@@ -57,8 +63,7 @@ private class Boxes.VMCreator {
     }
 
     public virtual void launch_vm (LibvirtMachine machine) throws GLib.Error {
-        if (!(install_media is UnattendedInstaller) ||
-            !(install_media as UnattendedInstaller).setup_box.express_install) {
+        if (!express_install) {
             ulong signal_id = 0;
 
             var window = App.app.main_window;