protected override void OnAttached()
{
isCanTouch = Touch.GetIsEnabled(Element);
commandStartTap = Touch.GetStartTap(Element);
commandFinishTap = Touch.GetFinishTap(Element);
commandTap = Touch.GetTap(Element);
commandLongTap = Touch.GetLongTap(Element);
longTapLatency = Touch.GetLongTapLatency(Element);
gestureTap = new GestureTouchSam(OnTap);
gestureTap.MinimumPressDuration = 0;
gestureTap.ShouldReceiveTouch += (UIGestureRecognizer g, UITouch t) =>
{
return(true);
};
gestureTap.ShouldRecognizeSimultaneously += (UIGestureRecognizer g, UIGestureRecognizer t) =>
{
return(true);
};
if (commandLongTap != null)
{
TimerInit();
}
View.UserInteractionEnabled = true;
View.AddGestureRecognizer(gestureTap);
UpdateEffectColor();
}
private void OnFinishTapped()
{
var cmd = Touch.GetFinishTap(Element);
var param = Touch.GetFinishTapParameter(Element);
if (cmd?.CanExecute(param) ?? false)
{
cmd.Execute(param);
}
}
private void FinishTap()
{
var cmd = Touch.GetFinishTap(Element);
var param = Touch.GetFinishTapParameter(Element);
if (cmd == null)
{
return;
}
if (cmd.CanExecute(param))
{
cmd.Execute(param);
}
}
protected override void OnElementPropertyChanged(System.ComponentModel.PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(e);
if (e.PropertyName == Touch.IsEnabledProperty.PropertyName)
{
isCanTouch = Touch.GetIsEnabled(Element);
}
else if (e.PropertyName == Touch.ColorProperty.PropertyName)
{
UpdateEffectColor();
}
else if (e.PropertyName == Touch.TapProperty.PropertyName)
{
commandTap = Touch.GetTap(Element);
}
else if (e.PropertyName == Touch.StartTapProperty.PropertyName)
{
commandStartTap = Touch.GetStartTap(Element);
}
else if (e.PropertyName == Touch.FinishTapProperty.PropertyName)
{
commandFinishTap = Touch.GetFinishTap(Element);
}
else if (e.PropertyName == Touch.LongTapProperty.PropertyName)
{
commandLongTap = Touch.GetLongTap(Element);
if (commandLongTap == null)
{
TimerDispose();
}
else
{
TimerInit();
}
}
else if (e.PropertyName == Touch.LongTapLatencyProperty.PropertyName)
{
longTapLatency = Touch.GetLongTapLatency(Element);
}
}