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using System.Collections.Generic;
using System.Drawing;
#if __UNIFIED__
using Foundation;
using UIKit;
#else
using MonoTouch.Foundation;
using MonoTouch.UIKit;
#endif
#if __UNIFIED__
using RectangleF = CoreGraphics.CGRect;
using SizeF = CoreGraphics.CGSize;
using PointF = CoreGraphics.CGPoint;
using NSAction = System.Action;
#else
using nfloat=System.Single;
using nint=System.Int32;
#endif
namespace Xamarin.Forms.Platform.iOS
{
internal class GlobalCloseContextGestureRecognizer : UIGestureRecognizer
{
List<UIButton> _buttons;
UIScrollView _scrollView;
public GlobalCloseContextGestureRecognizer(UIScrollView scrollView, List<UIButton> buttons, NSAction activated) : base(activated)
{
_scrollView = scrollView;
_buttons = buttons;
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)
{
_buttons = null;
_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);
}
}
}
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