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/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
*
* Copyright (C) 2012 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Michael Terry <michael.terry@canonical.com>
*/
public class SessionPrompt : PromptBox
{
public string session { get; construct; }
public string default_session { get; construct; }
public SessionPrompt (string id, string? session, string? default_session)
{
Object (id: id, session: session, default_session: default_session);
}
private ToggleBox box;
construct
{
label = _("Select desktop environment");
name_label.vexpand = false;
box = new ToggleBox (default_session, session);
if (UnityGreeter.singleton.test_mode)
{
box.add_item ("gnome", "GNOME", SessionList.get_badge ("gnome"));
box.add_item ("kde", "KDE", SessionList.get_badge ("kde"));
box.add_item ("ubuntu", "Ubuntu", SessionList.get_badge ("ubuntu"));
}
else
{
foreach (var session in LightDM.get_sessions ())
{
debug ("Adding session %s (%s)", session.key, session.name);
box.add_item (session.key, session.name, SessionList.get_badge (session.key));
}
}
box.notify["selected-key"].connect (selected_cb);
box.show ();
attach_item (box);
}
private void selected_cb ()
{
respond ({ box.selected_key });
}
}
public class SessionList : GreeterList
{
public signal void session_clicked (string session);
public string session { get; construct; }
public string default_session { get; construct; }
private SessionPrompt prompt;
public SessionList (Background bg, MenuBar mb, string? session, string? default_session)
{
Object (background: bg, menubar: mb, session: session, default_session: default_session);
}
construct
{
prompt = add_session_prompt ("session");
}
private SessionPrompt add_session_prompt (string id)
{
var e = new SessionPrompt (id, session, default_session);
e.respond.connect ((responses) => { session_clicked (responses[0]); });
add_entry (e);
return e;
}
protected override void add_manual_entry () {}
public override void show_authenticated (bool successful = true) {}
private static string? get_badge_name (string session)
{
switch (session)
{
case "ubuntu":
case "ubuntu-2d":
return "ubuntu_badge.png";
case "gnome-classic":
case "gnome-flashback-compiz":
case "gnome-flashback":
case "gnome-fallback-compiz":
case "gnome-fallback":
case "gnome-shell":
case "gnome":
return "gnome_badge.png";
case "kde":
case "kde-plasma":
return "kde_badge.png";
case "xterm":
return "recovery_console_badge.png";
case "remote-login":
return "remote_login_help.png";
default:
return null;
}
}
private static HashTable<string, Gdk.Pixbuf> badges; /* cache of badges */
public static Gdk.Pixbuf? get_badge (string session)
{
var name = get_badge_name (session);
if (name == null)
{
/* Not a known name, but let's see if we have a custom badge before
giving up entirely and using the unknown badget. */
var maybe_name = "custom_%s_badge.png".printf (session);
var maybe_path = Path.build_filename (Config.PKGDATADIR, maybe_name, null);
if (FileUtils.test (maybe_path, FileTest.EXISTS))
name = maybe_name;
else
name = "unknown_badge.png";
}
if (badges == null)
badges = new HashTable<string, Gdk.Pixbuf> (str_hash, str_equal);
var pixbuf = badges.lookup (name);
if (pixbuf == null)
{
try
{
pixbuf = new Gdk.Pixbuf.from_file (Path.build_filename (Config.PKGDATADIR, name, null));
badges.insert (name, pixbuf);
}
catch (Error e)
{
debug ("Error loading badge %s: %s", name, e.message);
}
}
return pixbuf;
}
}
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