mirror of https://github.com/ShareX/ShareX.git
95 lines
2.6 KiB
C#
95 lines
2.6 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2024 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace ShareX.HelpersLib
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{
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public class TaskEx<T>
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{
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public delegate void ProgressChangedEventHandler(T progress);
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public event ProgressChangedEventHandler ProgressChanged;
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public bool IsRunning { get; private set; }
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public bool IsCanceled { get; private set; }
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private Progress<T> p;
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private CancellationTokenSource cts;
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public async Task Run(Action action)
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{
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if (IsRunning)
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{
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throw new InvalidOperationException();
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}
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IsRunning = true;
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IsCanceled = false;
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p = new Progress<T>(OnProgressChanged);
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using (cts = new CancellationTokenSource())
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{
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try
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{
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await Task.Run(action, cts.Token);
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}
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catch (OperationCanceledException)
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{
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IsCanceled = true;
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}
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finally
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{
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IsRunning = false;
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}
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}
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}
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public void Report(T progress)
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{
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if (p != null)
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{
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((IProgress<T>)p).Report(progress);
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}
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}
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public void Cancel()
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{
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cts?.Cancel();
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}
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public void ThrowIfCancellationRequested()
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{
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cts?.Token.ThrowIfCancellationRequested();
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}
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private void OnProgressChanged(T progress)
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{
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ProgressChanged?.Invoke(progress);
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}
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}
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} |