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124 lines
3.5 KiB
124 lines
3.5 KiB
using MediaBrowser.Common.Kernel;
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using MediaBrowser.Common.Logging;
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using MediaBrowser.Model.Progress;
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using Microsoft.Shell;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Windows;
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namespace MediaBrowser.Common.UI
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{
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/// <summary>
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/// Serves as a base Application class for both the UI and Server apps.
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/// </summary>
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public abstract class BaseApplication : Application, INotifyPropertyChanged, ISingleInstanceApp
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{
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private IKernel Kernel { get; set; }
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protected abstract IKernel InstantiateKernel();
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protected abstract Window InstantiateMainWindow();
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public event PropertyChangedEventHandler PropertyChanged;
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public void OnPropertyChanged(String info)
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{
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if (PropertyChanged != null)
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{
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PropertyChanged(this, new PropertyChangedEventArgs(info));
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}
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}
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protected override void OnStartup(StartupEventArgs e)
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{
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// Without this the app will shutdown after the splash screen closes
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ShutdownMode = ShutdownMode.OnExplicitShutdown;
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LoadKernel();
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}
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private async void LoadKernel()
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{
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Kernel = InstantiateKernel();
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var progress = new Progress<TaskProgress>();
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var splash = new Splash(progress);
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splash.Show();
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try
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{
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DateTime now = DateTime.UtcNow;
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await Kernel.Init(progress);
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Logger.LogInfo("Kernel.Init completed in {0} seconds.", (DateTime.UtcNow - now).TotalSeconds);
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splash.Close();
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ShutdownMode = System.Windows.ShutdownMode.OnLastWindowClose;
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OnKernelLoaded();
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InstantiateMainWindow().Show();
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}
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catch (Exception ex)
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{
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Logger.LogException(ex);
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MessageBox.Show("There was an error launching Media Browser: " + ex.Message);
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splash.Close();
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// Shutdown the app with an error code
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Shutdown(1);
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}
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}
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protected virtual void OnKernelLoaded()
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{
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}
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protected override void OnExit(ExitEventArgs e)
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{
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base.OnExit(e);
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Kernel.Dispose();
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}
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public bool SignalExternalCommandLineArgs(IList<string> args)
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{
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OnSecondInstanceLaunched(args);
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return true;
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}
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protected virtual void OnSecondInstanceLaunched(IList<string> args)
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{
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if (this.MainWindow.WindowState == WindowState.Minimized)
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{
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this.MainWindow.WindowState = WindowState.Maximized;
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}
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}
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public static void RunApplication<TApplicationType>(string uniqueKey)
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where TApplicationType : BaseApplication, IApplication, new()
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{
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if (SingleInstance<TApplicationType>.InitializeAsFirstInstance(uniqueKey))
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{
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var application = new TApplicationType();
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application.InitializeComponent();
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application.Run();
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// Allow single instance code to perform cleanup operations
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SingleInstance<TApplicationType>.Cleanup();
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}
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}
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}
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public interface IApplication
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{
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void InitializeComponent();
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}
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}
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