[gnome-boxes] installer: Add helper to add iso image to a domain

[Christophe Fergeau <teuf src gnome org>]

commit 93b3705cecb61cf41e9450ec103c0ef9e3f213d7
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Mon Jul 16 16:51:46 2012 +0200

    installer: Add helper to add iso image to a domain
    
    This helper is only used in InstallerMedia::setup_domain_config
    for now, but it will be useful to insert extra ISO images needed
    during unattended installations.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679752

 src/installer-media.vala |   34 ++++++++++++++++++----------------
 1 files changed, 18 insertions(+), 16 deletions(-)
---
diff --git a/src/installer-media.vala b/src/installer-media.vala
index 5dc57d8..91243a3 100644
--- a/src/installer-media.vala
+++ b/src/installer-media.vala
@@ -68,22 +68,7 @@ private class Boxes.InstallerMedia : GLib.Object {
     public virtual async void prepare_for_installation (string vm_name, Cancellable? cancellable) throws GLib.Error {}
 
     public virtual void setup_domain_config (Domain domain) {
-        var disk = new DomainDisk ();
-
-        if (from_image)
-            disk.set_type (DomainDiskType.FILE);
-        else
-            disk.set_type (DomainDiskType.BLOCK);
-
-        disk.set_guest_device_type (DomainDiskGuestDeviceType.CDROM);
-        disk.set_driver_name ("qemu");
-        disk.set_driver_type ("raw");
-        disk.set_source (device_file);
-        disk.set_target_dev ("hdc");
-        disk.set_target_bus (DomainDiskBus.IDE);
-        disk.set_startup_policy (DomainDiskStartupPolicy.MANDATORY);
-
-        domain.add_device (disk);
+        add_cd_config (domain, from_image?DomainDiskType.FILE:DomainDiskType.BLOCK, device_file, "hdc", true);
     }
 
     public virtual void populate_setup_vbox (Gtk.VBox setup_vbox) {}
@@ -104,6 +89,23 @@ private class Boxes.InstallerMedia : GLib.Object {
                (os_media.architecture == "i686" && architecture == "x86_64");
     }
 
+    protected void add_cd_config (Domain domain, DomainDiskType type, string iso_path, string device_name, bool mandatory = false)
+    {
+        var disk = new DomainDisk ();
+
+        disk.set_type (type);
+        disk.set_guest_device_type (DomainDiskGuestDeviceType.CDROM);
+        disk.set_driver_name ("qemu");
+        disk.set_driver_type ("raw");
+        disk.set_target_dev (device_name);
+        disk.set_source (iso_path);
+        disk.set_target_bus (DomainDiskBus.IDE);
+        if (mandatory)
+            disk.set_startup_policy (DomainDiskStartupPolicy.MANDATORY);
+
+        domain.add_device (disk);
+    }
+
     private async GUdev.Device? get_device_from_path (string path, Client client, Cancellable? cancellable) {
         try {
             var mount_dir = File.new_for_commandline_arg (path);