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/*
Util.vala
Copyright (C) 2010 Maia Kozheva <sikon@ubuntu.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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/>.
*/
namespace Steadyflow.Core {
public class Util : GLib.Object {
private Util () {}
private static bool first_run = true;
private static bool local_install;
private static Util instance = null;
public static Util signaller {
get {
if (instance == null)
instance = new Util ();
return instance;
}
}
public static bool is_local_install () {
if (first_run) {
local_install = FileUtils.test ("Steadyflow/Application.vala", FileTest.EXISTS);
first_run = false;
}
return local_install;
}
private static string get_data_dir () {
if (is_local_install ())
return "data";
return AppConfig.APP_DATA_DIR;
}
public static string resolve_path (string rel_path) {
return Path.build_filename (get_data_dir (), rel_path);
}
public static bool is_valid_url (string url) {
// TODO: query supported schemes, will need fixed GLib.Vfs bindings
return Uri.parse_scheme (url) != null;
}
[NoReturn]
public static void fatal_error (Error e, string? message = null) {
signaller.fatal_error_sig (e, message);
}
[NoReturn]
public signal void fatal_error_sig (Error e, string? message = null);
}
}
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