ShareX/ShareX.HelpersLib/ThreadWorker.cs

84 lines
2.3 KiB
C#

#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (c) 2007-2024 ShareX Team
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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Optionally you can also view the license at <http://www.gnu.org/licenses/>.
*/
#endregion License Information (GPL v3)
using System;
using System.Threading;
namespace ShareX.HelpersLib
{
public class ThreadWorker
{
public event Action DoWork;
public event Action Completed;
private SynchronizationContext context;
private Thread thread;
public ThreadWorker()
{
context = SynchronizationContext.Current ?? new SynchronizationContext();
}
public void Start(ApartmentState state = ApartmentState.MTA)
{
if (thread == null)
{
thread = new Thread(WorkThread);
thread.IsBackground = true;
thread.SetApartmentState(state);
thread.Start();
}
}
private void WorkThread()
{
OnDoWork();
OnCompleted();
}
private void OnDoWork()
{
DoWork?.Invoke();
}
private void OnCompleted()
{
if (Completed != null)
{
InvokeAsync(Completed);
}
}
public void Invoke(Action action)
{
context.Send(state => action(), null);
}
public void InvokeAsync(Action action)
{
context.Post(state => action(), null);
}
}
}