Merge improvements and debug from 'CrowIDE' branch

1 files changed, 58 insertions, 0 deletions

diff --git a/src/CrowThread.cs b/src/CrowThread.cs
new file mode 100644
index 00000000..dfdeda00
--- /dev/null
+++ b/src/CrowThread.cs
@@ -0,0 +1,58 @@
+//
+//  CrowThread.cs
+//
+//  Author:
+//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
+//
+//  Copyright (c) 2017 jp
+//
+//  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/>.
+using System;
+using System.Threading;
+
+namespace Crow
+{
+	/// <summary>
+	/// Thread monitored by current interface with Finished event when state==Stopped
+	/// </summary>
+	public class CrowThread {
+		Thread thread;
+		public event EventHandler Finished;
+		public GraphicObject Host;
+		public CrowThread (GraphicObject host, ThreadStart start){
+			thread = new Thread (start);
+			thread.IsBackground = true;
+			Host = host;
+			lock (Host.CurrentInterface.CrowThreads)
+				Host.CurrentInterface.CrowThreads.Add (this);
+		}
+		public void CheckState(){
+			if (thread.ThreadState != ThreadState.Stopped)
+				return;
+			Finished.Raise (Host, null);
+			lock (Host.CurrentInterface.CrowThreads)
+				Host.CurrentInterface.CrowThreads.Remove (this);
+		}
+		public void Start() { thread.Start();}
+		public void Cancel(){
+			if (thread.IsAlive){
+				//cancelLoading = true;
+				thread.Join ();
+				//cancelLoading = false;
+			}
+			Host.CurrentInterface.CrowThreads.Remove (this);
+		}
+	}
+}
+