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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="App.xaml.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Interaction logic for App.xaml
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF
{
using System;
using System.IO;
using System.Linq;
using System.Windows;
using Caliburn.Micro;
using HandBrake.ApplicationServices.Exceptions;
using HandBrakeWPF.ViewModels;
using HandBrakeWPF.ViewModels.Interfaces;
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App
{
/// <summary>
/// Initializes a new instance of the <see cref="App"/> class.
/// </summary>
public App()
{
Application.Current.Dispatcher.UnhandledException += this.Dispatcher_UnhandledException;
AppDomain.CurrentDomain.UnhandledException +=
new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
}
/// <summary>
/// Override the startup behavior to handle files dropped on the app icon.
/// </summary>
/// <param name="e">
/// The StartupEventArgs.
/// </param>
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
// If we have a file dropped on the icon, try scanning it.
string[] fileNames = e.Args;
if (fileNames.Any() && (File.Exists(fileNames[0]) || Directory.Exists(fileNames[0])))
{
IMainViewModel mvm = IoC.Get<IMainViewModel>();
mvm.StartScan(fileNames[0], 0);
}
}
/// <summary>
/// Non-UI Thread expection handler.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The UnhandledExceptionEventArgs.
/// </param>
private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
{
this.ShowError(e.ExceptionObject);
}
/// <summary>
/// Handle unhandled exceptions. UI thread only.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The DispatcherUnhandledExceptionEventArgs.
/// </param>
private void Dispatcher_UnhandledException(
object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
{
if (e.Exception.GetType() == typeof(GeneralApplicationException))
{
this.ShowError(e.Exception);
}
else if (e.Exception.InnerException != null && e.Exception.InnerException.GetType() == typeof(GeneralApplicationException))
{
this.ShowError(e.Exception.InnerException);
}
else
{
this.ShowError(e.Exception);
}
e.Handled = true;
}
/// <summary>
/// Show an error dialog for the user.
/// </summary>
/// <param name="exception">
/// The exception.
/// </param>
private void ShowError(object exception)
{
try
{
IWindowManager windowManager = IoC.Get<IWindowManager>();
if (windowManager != null)
{
ErrorViewModel errorView = new ErrorViewModel();
if (exception.GetType() == typeof(GeneralApplicationException))
{
GeneralApplicationException applicationException = exception as GeneralApplicationException;
if (applicationException != null)
{
string details = string.Format(
"{0}{1}{2}{3}{4}",
applicationException.Error,
Environment.NewLine,
applicationException.Solution,
Environment.NewLine,
applicationException.ActualException != null
? applicationException.ActualException.ToString()
: "No additional exception information available.");
errorView.ErrorMessage = applicationException.Error;
errorView.Solution = applicationException.Solution;
errorView.Details = details;
}
}
else
{
errorView.Details = exception.ToString();
}
windowManager.ShowDialog(errorView);
}
}
catch (Exception)
{
MessageBox.Show("An Unknown Error has occured. \n\n Exception:" + exception, "Unhandled Exception",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
}
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