2021-09-20 18:20:01 +02:00

63 lines
2.3 KiB
C#

/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy 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.
dnSpy 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 dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.Reflection;
using System.Windows.Threading;
using dnSpy.Contracts.App;
namespace dnSpy.Debugger.DotNet.UI {
[Export(typeof(UIDispatcher))]
sealed class UIDispatcher {
static readonly FieldInfo? _disableProcessingCountFieldInfo;
static UIDispatcher() {
_disableProcessingCountFieldInfo = typeof(Dispatcher).GetField("_disableProcessingCount", BindingFlags.NonPublic | BindingFlags.Instance);
Debug2.Assert(_disableProcessingCountFieldInfo is not null && _disableProcessingCountFieldInfo.FieldType == typeof(int));
}
Dispatcher Dispatcher { get; }
[ImportingConstructor]
UIDispatcher(IAppWindow appWindow) => Dispatcher = appWindow.MainWindow.Dispatcher;
public void VerifyAccess() => Dispatcher.VerifyAccess();
public bool CheckAccess() => Dispatcher.CheckAccess();
public bool IsProcessingDisabled() {
if (_disableProcessingCountFieldInfo is null || _disableProcessingCountFieldInfo.FieldType != typeof(int))
return false;
return (int)_disableProcessingCountFieldInfo.GetValue(Dispatcher)! > 0;
}
public void Invoke(Action callback) {
System.Diagnostics.Debugger.NotifyOfCrossThreadDependency();
Dispatcher.Invoke(DispatcherPriority.Background, callback);
}
public void UIBackground(Action callback) =>
Dispatcher.BeginInvoke(DispatcherPriority.Background, callback);
public void UI(Action callback) =>
// Use Send so the windows are updated as fast as possible when adding new items
Dispatcher.BeginInvoke(DispatcherPriority.Send, callback);
}
}