public override void TouchesCancelled(Foundation.NSSet touches, UIEvent evt)
{
_scrollOrientation = ARNotificationScrollOrientation.Unknown;
if (_alertType == ARNotificationType.Confirm)
{
OnTouchCancel();
}
else
{
StartHiddenTimer();
}
base.TouchesCancelled(touches, evt);
}
public override void TouchesEnded(Foundation.NSSet touches, UIEvent evt)
{
var xOffset = (DeviceInfo.ScreenWidth * 0.1f);
var yOffset = HEIGHT * -0.1f;
if (Frame.X < -xOffset || Frame.X > xOffset || Frame.Y < yOffset)
{
AnimateNotify(0.3f, 0.0f, UIViewAnimationOptions.CurveEaseIn,
() => AnimateFrameChanges(),
(finished) =>
{
RemoveFromSuperview();
_onHideCallback?.Invoke();
_previousTouchPosition = CGPoint.Empty;
});
}
else if (_alertType == ARNotificationType.Error && _scrollOrientation == ARNotificationScrollOrientation.FromTopToBottom && Frame.Height > HEIGHT)
{
_textView.ScrollEnabled = true;
_textView.UserInteractionEnabled = true;
AnimateNotify(0.3f, 0.0f, UIViewAnimationOptions.CurveEaseIn,
() => AnimateFrameChanges(),
(finished) =>
{
_textView.SetContentOffset(CGPoint.Empty, true);
StartHiddenTimer();
});
}
else
{
AnimateNotify(0.3f, 0.0f, UIViewAnimationOptions.CurveEaseIn,
() => this.ChangeFrame(x: 0, y: 0),
(finished) =>
{
TouchesCancelled(touches, evt);
_previousTouchPosition = CGPoint.Empty;
});
}
_scrollOrientation = ARNotificationScrollOrientation.Unknown;
base.TouchesEnded(touches, evt);
}
public override void TouchesMoved(Foundation.NSSet touches, UIEvent evt)
{
if (touches.Count == 1)
{
var touch = touches.First() as UITouch;
var point = touch.LocationInView(this);
var currentScrollOrientation = Math.Abs(GetTouchDistance(touch.Timestamp, point.X, _previousTouchPosition.X)) > Math.Abs(GetTouchDistance(touch.Timestamp, point.Y, _previousTouchPosition.Y)) ?
ARNotificationScrollOrientation.FromRightToLeft :
(point.Y < _previousTouchPosition.Y ? ARNotificationScrollOrientation.FromBottomToTop : ARNotificationScrollOrientation.FromTopToBottom);
//if (_scrollOrientation == ARNotificationScrollOrientation.Unknown)
// _scrollOrientation = currentScrollOrientation;
//else if ((_scrollOrientation == ARNotificationScrollOrientation.FromLeftToRight || _scrollOrientation == ARNotificationScrollOrientation.FromRightToLeft)
// && (currentScrollOrientation == ARNotificationScrollOrientation.FromLeftToRight || currentScrollOrientation == ARNotificationScrollOrientation.FromRightToLeft))
// _scrollOrientation = currentScrollOrientation;
//else if ((_scrollOrientation == ARNotificationScrollOrientation.FromBottomToTop || _scrollOrientation == ARNotificationScrollOrientation.FromTopToBottom)
// && (currentScrollOrientation == ARNotificationScrollOrientation.FromBottomToTop || currentScrollOrientation == ARNotificationScrollOrientation.FromTopToBottom))
//_scrollOrientation = currentScrollOrientation;
Debug.WriteLine(point);
Debug.WriteLine(_scrollOrientation);
Debug.WriteLine(_previousTouchPosition);
if (Frame.Y == 0 && point.X < _previousTouchPosition.X && currentScrollOrientation == ARNotificationScrollOrientation.FromRightToLeft)
{
var delta = _previousTouchPosition.X - point.X;
this.ChangeFrame(x: Frame.X - delta);
_scrollOrientation = currentScrollOrientation;
}
else if (Frame.X == 0 && point.Y < _previousTouchPosition.Y && currentScrollOrientation == ARNotificationScrollOrientation.FromBottomToTop)
{
var delta = _previousTouchPosition.Y - point.Y;
this.ChangeFrame(y: Frame.Y - delta);
_scrollOrientation = currentScrollOrientation;
}
else if (Frame.X == 0 && _alertType == ARNotificationType.Error && point.Y > _previousTouchPosition.Y && currentScrollOrientation == ARNotificationScrollOrientation.FromTopToBottom)
{
var delta = point.Y - _previousTouchPosition.Y;
if (_realTextSize.Height > TEXT_VIEW_HEIGHT)
{
var newHeight = Frame.Height + delta;
var maxHeight = (nfloat)Math.Min(_realTextSize.Height + TEXT_VIEW_OFFSET, DeviceInfo.ScreenHeight);
this.ChangeFrame(h: newHeight > maxHeight ? maxHeight : newHeight);
}
_scrollOrientation = currentScrollOrientation;
}
_previousTouchPosition = point;
}
base.TouchesMoved(touches, evt);
}
