63 lines
2.3 KiB
C#
63 lines
2.3 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy 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 dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.ComponentModel.Composition;
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using System.Diagnostics;
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using System.Reflection;
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using System.Windows.Threading;
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using dnSpy.Contracts.App;
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namespace dnSpy.Debugger.DotNet.UI {
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[Export(typeof(UIDispatcher))]
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sealed class UIDispatcher {
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static readonly FieldInfo? _disableProcessingCountFieldInfo;
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static UIDispatcher() {
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_disableProcessingCountFieldInfo = typeof(Dispatcher).GetField("_disableProcessingCount", BindingFlags.NonPublic | BindingFlags.Instance);
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Debug2.Assert(_disableProcessingCountFieldInfo is not null && _disableProcessingCountFieldInfo.FieldType == typeof(int));
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}
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Dispatcher Dispatcher { get; }
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[ImportingConstructor]
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UIDispatcher(IAppWindow appWindow) => Dispatcher = appWindow.MainWindow.Dispatcher;
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public void VerifyAccess() => Dispatcher.VerifyAccess();
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public bool CheckAccess() => Dispatcher.CheckAccess();
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public bool IsProcessingDisabled() {
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if (_disableProcessingCountFieldInfo is null || _disableProcessingCountFieldInfo.FieldType != typeof(int))
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return false;
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return (int)_disableProcessingCountFieldInfo.GetValue(Dispatcher)! > 0;
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}
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public void Invoke(Action callback) {
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System.Diagnostics.Debugger.NotifyOfCrossThreadDependency();
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Dispatcher.Invoke(DispatcherPriority.Background, callback);
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}
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public void UIBackground(Action callback) =>
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Dispatcher.BeginInvoke(DispatcherPriority.Background, callback);
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public void UI(Action callback) =>
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// Use Send so the windows are updated as fast as possible when adding new items
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Dispatcher.BeginInvoke(DispatcherPriority.Send, callback);
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}
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}
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