Files
eveo/Eve-O-Preview/Program.cs
2018-02-08 22:23:51 +02:00

102 lines
3.0 KiB
C#

using System;
using System.Threading;
using System.Windows.Forms;
using EveOPreview.Configuration;
using EveOPreview.Mediator;
using EveOPreview.Services;
using EveOPreview.UI;
using EveOPreview.WindowManager;
namespace EveOPreview
{
static class Program
{
private static string MutexName = "EVE-O Preview Single Instance Mutex";
/// <summary>The main entry point for the application.</summary>
[STAThread]
static void Main()
{
// The very usual Mutex-based single-instance screening
// 'token' variable is used to store reference to the instance Mutex
// during the app lifetime
object token = Program.GetInstanceToken();
// If it was not possible to aquire the app token then another app instance is already running
// Nothing to do here
if (token == null)
{
return;
}
ExceptionHandler handler = new ExceptionHandler();
handler.SetupExceptionHandlers();
IApplicationController controller = Program.InitializeApplicationController();
Program.InitializeWinForms();
controller.Run<MainPresenter>();
}
private static object GetInstanceToken()
{
// The code might look overcomplicated here for a single Mutex operation
// Yet we had already experienced a Windows-level issue
// where .NET finalizer thread was literally paralyzed by
// a failed Mutex operation. That did lead to weird OutOfMemory
// exceptions later
try
{
Mutex.OpenExisting(Program.MutexName);
// if that didn't fail then another instance is already running
return null;
}
catch (UnauthorizedAccessException)
{
return null;
}
catch (Exception)
{
Mutex token = new Mutex(true, Program.MutexName, out var result);
return result ? token : null;
}
}
private static void InitializeWinForms()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
}
private static IApplicationController InitializeApplicationController()
{
IIocContainer container = new LightInjectContainer();
// Singleton registration is used for services
// Low-level services
container.Register<IMediator>();
container.Register<IWindowManager>();
container.Register<IProcessMonitor>();
// Configuration services
container.Register<IConfigurationStorage>();
container.Register<IAppConfig>();
container.Register<IThumbnailConfiguration>();
// Application services
container.Register<IThumbnailManager>();
container.Register<IThumbnailViewFactory>();
container.Register<IThumbnailDescriptionViewFactory>();
IApplicationController controller = new ApplicationController(container);
// UI classes
controller.RegisterView<IMainView, MainForm>()
.RegisterView<IThumbnailView, ThumbnailView>()
.RegisterView<IThumbnailDescriptionView, ThumbnailDescriptionView>()
.RegisterInstance(new ApplicationContext());
return controller;
}
}
}