1 // OpenTween - Client of Twitter
2 // Copyright (c) 2019 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
3 // All rights reserved.
5 // This file is part of OpenTween.
7 // This program is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 3 of the License, or (at your option)
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 // You should have received a copy of the GNU General Public License along
18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
20 // Boston, MA 02110-1301, USA.
25 using System.Threading;
26 using System.Threading.Tasks;
30 public sealed class AsyncTimer : IDisposable
32 private readonly Func<Task> callback;
33 private readonly Timer timer;
35 public static event EventHandler<ThreadExceptionEventArgs>? UnhandledException;
37 public AsyncTimer(Func<Task> callback)
39 this.callback = callback;
40 this.timer = new Timer(this.TimerCallback);
43 private async void TimerCallback(object _)
47 await this.callback().ConfigureAwait(false);
51 UnhandledException?.Invoke(this, new ThreadExceptionEventArgs(ex));
55 public void Change(TimeSpan dueTime, TimeSpan period)
56 => this.timer.Change(dueTime, period);
59 => this.timer.Dispose();