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MauiUIApplicationDelegate.cs
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MauiUIApplicationDelegate.cs
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using System;
using Foundation;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Maui.Hosting;
using Microsoft.Maui.LifecycleEvents;
using AppKit;
using CoreGraphics;
namespace Microsoft.Maui
{
public abstract class MauiUIApplicationDelegate : NSApplicationDelegate, INSApplicationDelegate
{
MauiContext _applicationContext = null!;
WeakReference<IWindow>? _virtualWindow = null;
NSDictionary launchOptions = new NSDictionary();
internal IWindow? VirtualWindow
{
get
{
IWindow? window = null;
_virtualWindow?.TryGetTarget(out window);
return window;
}
}
protected MauiUIApplicationDelegate()
{
Current = this;
}
protected abstract MauiApp CreateMauiApp();
public override void WillFinishLaunching(NSNotification notification)
{
var mauiApp = CreateMauiApp();
Services = mauiApp.Services;
_applicationContext = new MauiContext(Services, this);
Services?.InvokeLifecycleEvents<MacLifecycle.WillFinishLaunching>(del => del(NSApplication.SharedApplication, launchOptions));
}
public override void DidFinishLaunching(NSNotification notification)
{
Application = Services.GetRequiredService<IApplication>();
this.SetApplicationHandler(Application, _applicationContext);
var uiWindow = CreateNativeWindow();
Window = uiWindow;
Window.MakeKeyAndOrderFront(Window);
NSApplication.SharedApplication.ActivateIgnoringOtherApps(true);
Services?.InvokeLifecycleEvents<MacLifecycle.FinishedLaunching>(del => del(NSApplication.SharedApplication, launchOptions));
}
NSWindow CreateNativeWindow()
{
var uiWindow = new NSWindow(new CGRect(0, 0, 500, 500), NSWindowStyle.Titled | NSWindowStyle.Resizable | NSWindowStyle.Closable, NSBackingStore.Buffered, false);
var mauiContext = _applicationContext.MakeScoped(uiWindow);
Services?.InvokeLifecycleEvents<MacLifecycle.OnMauiContextCreated>(del => del(mauiContext));
var activationState = new ActivationState(mauiContext);
var window = Application.CreateWindow(activationState);
_virtualWindow = new WeakReference<IWindow>(window);
uiWindow.SetWindowHandler(window, mauiContext);
return uiWindow;
}
public override void OpenUrls(NSApplication application, NSUrl[] urls)
{
var wasHandled = false;
Services?.InvokeLifecycleEvents<MacLifecycle.OpenUrls>(del =>
{
wasHandled = del(application, urls);
});
if (!wasHandled)
base.OpenUrls(application, urls);
}
//public override void PerformActionForShortcutItem(NSApplication application, UIApplicationShortcutItem shortcutItem, UIOperationHandler completionHandler)
//{
// Services?.InvokeLifecycleEvents<iOSLifecycle.PerformActionForShortcutItem>(del => del(application, shortcutItem, completionHandler));
//}
//public override bool ContinueUserActivity(NSApplication application, NSUserActivity userActivity, UIApplicationRestorationHandler completionHandler)
//{
// var wasHandled = false;
// Services?.InvokeLifecycleEvents<iOSLifecycle.ContinueUserActivity>(del =>
// {
// wasHandled = del(application, userActivity, completionHandler) || wasHandled;
// });
// return wasHandled || base.ContinueUserActivity(application, userActivity, completionHandler);
//}
public override void DidBecomeActive(NSNotification notification)
{
Services?.InvokeLifecycleEvents<MacLifecycle.OnActivated>(del => del(NSApplication.SharedApplication));
}
public override void DidResignActive(NSNotification notification)
{
Services?.InvokeLifecycleEvents<MacLifecycle.OnResignActivation>(del => del(NSApplication.SharedApplication));
}
public override void WillTerminate(NSNotification notification)
{
Services?.InvokeLifecycleEvents<MacLifecycle.WillTerminate>(del => del(NSApplication.SharedApplication));
}
//public override void DidEnterBackground(NSApplication application)
//{
// Services?.InvokeLifecycleEvents<MacLifecycle.DidEnterBackground>(del => del(application));
//}
//public override void WillEnterForeground(NSApplication application)
//{
// Services?.InvokeLifecycleEvents<iOSLifecycle.WillEnterForeground>(del => del(application));
//}*/
public static MauiUIApplicationDelegate Current { get; private set; } = null!;
public NSWindow? Window { get; set; }
public IServiceProvider Services { get; protected set; } = null!;
public IApplication Application { get; protected set; } = null!;
}
}