66 lines
2.1 KiB
C#
66 lines
2.1 KiB
C#
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using System;
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using System.Threading;
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using System.Windows;
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using System.Windows.Threading;
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using PCL.Core.App.IoC;
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namespace PCL.Core.App.Essentials;
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[LifecycleService(LifecycleState.BeforeLoading, Priority = int.MinValue)]
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[LifecycleScope("application", "应用程序", false)]
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public sealed partial class ApplicationService
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{
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public static Func<Application>? Loading { private get; set; }
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[LifecycleStart]
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private static void _Start()
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{
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Context.Debug("正在初始化 WPF 应用程序容器");
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var app = Loading!.Invoke();
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app.DispatcherUnhandledException += (_, e) => Lifecycle.OnException(e.Exception);
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app.Startup += (_, _) => Lifecycle.OnLoading();
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Lifecycle.CurrentApplication = app;
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Loading = null;
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Context.Trace("应用程序容器初始化完毕");
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}
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[LifecycleStop]
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private static void _Stop()
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{
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var app = Lifecycle.CurrentApplication;
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var dispatcher = app.Dispatcher;
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if (Lifecycle.IsForceShutdown)
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{
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Context.Warn("已指定强制关闭，跳过 WPF 标准关闭流程");
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return;
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}
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if (dispatcher is null || dispatcher.HasShutdownFinished) return;
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using var exited = new ManualResetEventSlim();
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dispatcher.BeginInvoke(DispatcherPriority.Send, () =>
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{
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app.Exit += Exited;
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if (dispatcher.HasShutdownStarted) return;
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Context.Debug("发起 WPF 退出流程");
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app.Shutdown();
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});
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try
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{
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Context.Debug("正在等待应用程序容器退出");
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var result = exited.Wait(5000);
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if (result) Context.Trace("应用程序容器已退出");
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else Context.Warn("应用程序容器退出超时，停止等待");
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}
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finally
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{
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dispatcher.BeginInvoke(DispatcherPriority.Send, () => app.Exit -= Exited);
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}
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return;
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void Exited(object? sender, EventArgs e)
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{
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// ReSharper disable once AccessToDisposedClosure
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exited.Set();
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}
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}
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}
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