blob: 1a4e9c044261af719db32b3b4dfbf7a09074a1e3 (
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
|
using Foundation;
using UIKit;
using NSAction = System.Action;
using RectangleF = CoreGraphics.CGRect;
namespace Xamarin.Forms.Platform.iOS
{
internal class GlobalCloseContextGestureRecognizer : UIGestureRecognizer
{
UIScrollView _scrollView;
public GlobalCloseContextGestureRecognizer(UIScrollView scrollView, NSAction activated) : base(activated)
{
_scrollView = scrollView;
ShouldReceiveTouch = OnShouldReceiveTouch;
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
State = UIGestureRecognizerState.Began;
base.TouchesBegan(touches, evt);
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
State = UIGestureRecognizerState.Recognized;
base.TouchesEnded(touches, evt);
}
public override void TouchesMoved(NSSet touches, UIEvent evt)
{
State = UIGestureRecognizerState.Recognized;
base.TouchesMoved(touches, evt);
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing)
{
_scrollView = null;
}
}
bool OnShouldReceiveTouch(UIGestureRecognizer r, UITouch t)
{
var scrollPos = t.LocationInView(_scrollView);
var rect = new RectangleF(0, 0, _scrollView.ContentSize.Width, _scrollView.ContentSize.Height);
return !rect.Contains(scrollPos);
}
}
}
|