-
Notifications
You must be signed in to change notification settings - Fork 1.7k
/
PinchGestureRecognizer.cs
60 lines (50 loc) · 1.87 KB
/
PinchGestureRecognizer.cs
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
#nullable disable
using System;
using System.ComponentModel;
using Microsoft.Maui.Controls.Internals;
using Microsoft.Maui.Graphics;
namespace Microsoft.Maui.Controls
{
/// <include file="../../docs/Microsoft.Maui.Controls/PinchGestureRecognizer.xml" path="Type[@FullName='Microsoft.Maui.Controls.PinchGestureRecognizer']/Docs/*" />
public sealed class PinchGestureRecognizer : GestureRecognizer, IPinchGestureController
{
bool IPinchGestureController.IsPinching { get; set; }
void IPinchGestureController.SendPinch(Element sender, double delta, Point currentScalePoint)
{
EventHandler<PinchGestureUpdatedEventArgs> handler = PinchUpdated;
if (handler != null)
{
handler(sender, new PinchGestureUpdatedEventArgs(GestureStatus.Running, delta, currentScalePoint));
}
(this as IPinchGestureController).IsPinching = true;
}
void IPinchGestureController.SendPinchCanceled(Element sender)
{
EventHandler<PinchGestureUpdatedEventArgs> handler = PinchUpdated;
if (handler != null)
{
handler(sender, new PinchGestureUpdatedEventArgs(GestureStatus.Canceled));
}
(this as IPinchGestureController).IsPinching = false;
}
void IPinchGestureController.SendPinchEnded(Element sender)
{
EventHandler<PinchGestureUpdatedEventArgs> handler = PinchUpdated;
if (handler != null)
{
handler(sender, new PinchGestureUpdatedEventArgs(GestureStatus.Completed));
}
(this as IPinchGestureController).IsPinching = false;
}
void IPinchGestureController.SendPinchStarted(Element sender, Point initialScalePoint)
{
EventHandler<PinchGestureUpdatedEventArgs> handler = PinchUpdated;
if (handler != null)
{
handler(sender, new PinchGestureUpdatedEventArgs(GestureStatus.Started, 1, initialScalePoint));
}
(this as IPinchGestureController).IsPinching = true;
}
public event EventHandler<PinchGestureUpdatedEventArgs> PinchUpdated;
}
}