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 UpdateLongTapLatency()
{
if (timer == null)
{
return;
}
timer.Interval = Touch.GetLongTapLatency(Element);
}
private void UpdateLongTapCommand()
{
var command = Touch.GetLongTap(Element);
TimerDispose();
if (command != null)
{
timer = new System.Timers.Timer();
timer.Elapsed += OnTimerEvent;
timer.Interval = Touch.GetLongTapLatency(Element);
timer.AutoReset = false;
}
}
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);
}
}
private void OnTouch(object sender, View.TouchEventArgs args)
{
if (!isEnabled)
{
return;
}
//var x = args.Event.GetX();
//var y = args.Event.GetY();
//Console.Out.WriteLine($"x: {x}; y: {y} (action: {args.Event.Action.ToString()})");
motion = args.Event;
if (args.Event.Action == MotionEventActions.Down)
{
View.PlaySoundEffect(SoundEffects.Click);
// DOWN
if (EnableRipple)
{
ForceStartRipple(args.Event.GetX(), args.Event.GetY());
}
else
{
StartAnimation();
}
if (Touch.GetLongTap(Element) != null)
{
if (timer == null)
{
timer = new System.Timers.Timer();
timer.Elapsed += OnTimerEvent;
}
timer.Interval = Touch.GetLongTapLatency(Element);
timer.AutoReset = false;
timer.Start();
}
}
else
if (args.Event.Action == MotionEventActions.Up ||
args.Event.Action == MotionEventActions.Cancel ||
args.Event.Action == MotionEventActions.Outside)
{
args.Handled = true;
// UP
if (IsDisposed)
{
return;
}
if (EnableRipple)
{
ForceEndRipple();
}
else
{
TapAnimation(250, alpha, 0);
}
if (args.Event.Action == MotionEventActions.Up &&
IsViewInBounds((int)args.Event.RawX, (int)args.Event.RawY))
{
if (Touch.GetLongTap(Element) != null)
{
if (timer == null)
{
timer = new System.Timers.Timer();
timer.Elapsed += OnTimerEvent;
}
if (timer.Enabled)
{
SelectHandler();
ClickHandler();
}
}
else
{
SelectHandler();
ClickHandler();
}
}
timer?.Stop();
}
}