blob: 8411fde00972b33025bd44a3cd6825166c254f2c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
using System;
using System.ComponentModel;
using AppKit;
namespace Xamarin.Forms.Platform.MacOS
{
public abstract class FormsApplicationDelegate : NSApplicationDelegate
{
Application _application;
bool _isSuspended;
public abstract NSWindow MainWindow { get; }
protected override void Dispose(bool disposing)
{
if (disposing && _application != null)
_application.PropertyChanged -= ApplicationOnPropertyChanged;
base.Dispose(disposing);
}
protected void LoadApplication(Application application)
{
if (application == null)
throw new ArgumentNullException(nameof(application));
Application.SetCurrentApplication(application);
_application = application;
application.PropertyChanged += ApplicationOnPropertyChanged;
}
public override void DidFinishLaunching(Foundation.NSNotification notification)
{
if (MainWindow == null)
throw new InvalidOperationException("Please provide a main window in your app");
MainWindow.Display();
MainWindow.MakeKeyAndOrderFront(NSApplication.SharedApplication);
if (_application == null)
throw new InvalidOperationException("You MUST invoke LoadApplication () before calling base.FinishedLaunching ()");
SetMainPage();
_application.SendStart();
}
public override void DidBecomeActive(Foundation.NSNotification notification)
{
// applicationDidBecomeActive
// execute any OpenGL ES drawing calls
if (_application == null || !_isSuspended) return;
_isSuspended = false;
_application.SendResume();
}
public override async void DidResignActive(Foundation.NSNotification notification)
{
// applicationWillResignActive
if (_application == null) return;
_isSuspended = true;
await _application.SendSleepAsync();
}
void ApplicationOnPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(Application.MainPage))
UpdateMainPage();
}
void SetMainPage()
{
UpdateMainPage();
}
void UpdateMainPage()
{
if (_application.MainPage == null)
return;
var platformRenderer = (PlatformRenderer)MainWindow.ContentViewController;
MainWindow.ContentViewController = _application.MainPage.CreateViewController();
(platformRenderer?.Platform as IDisposable)?.Dispose();
}
}
}
|