private void OnPointerPressed(object sender, PointerRoutedEventArgs e)
{
if (!_xfElement.IsVisible || FrameworkElement == null)
{
return;
}
DebugMethodName(2);
if (_releaseTimer == null || _releaseTimer.Elapsed.TotalMilliseconds > 750)
{
_releaseTimer?.Stop();
_releaseTimer = null;
_numberOfTaps = 0;
}
_numberOfTaps++;
_holdTimer?.Stop();
_holdTimer = new Stopwatch();
_holdTimer.Start();
_rotating = false;
_pinching = false;
_panning = false;
_longPressing = false;
foreach (var listener in _listeners)
{
if (listener.HandlesDown && UwpDownUpArgs.FireDown(FrameworkElement, e, listener))
{
return;
}
}
}
private void OnPointerCancelled(object sender, PointerRoutedEventArgs e)
{
if (!_xfElement.IsVisible || FrameworkElement == null)
{
return;
}
PointerRoutedDebugMessage(e, "POINTER CANCELLED");
long elapsed = 0;
if (_holdTimer != null)
{
elapsed = _holdTimer.ElapsedMilliseconds;
_holdTimer?.Stop();
_holdTimer = null;
}
_releaseTimer?.Stop();
_releaseTimer = null;
foreach (var listener in _listeners)
{
if (listener.HandlesTapped)
{
var args = new UwpTapEventArgs(FrameworkElement, e, _numberOfTaps)
{
Listener = listener,
Cancelled = true
};
listener?.OnTapped(args);
e.Handled = args.Handled;
}
if (_longPressing && listener.HandlesLongPressed)
{
var args = new UwpLongPressEventArgs(FrameworkElement, e, elapsed)
{
Listener = listener,
Cancelled = true
};
listener?.OnLongPressed(args);
e.Handled = args.Handled;
}
if (listener.HandlesDown)
{
var args = new UwpDownUpArgs(FrameworkElement, e)
{
Listener = listener,
Cancelled = true
};
listener.OnUp(args);
e.Handled = args.Handled;
if (e.Handled)
{
return;
}
}
}
}
public static bool FireUp(FrameworkElement element, TappedRoutedEventArgs e, Listener listener)
{
var args = new UwpDownUpArgs(element, e);
args.Listener = listener;
listener.OnUp(args);
e.Handled = args.Handled;
return(e.Handled);
}
public static bool FireDown(FrameworkElement frameworkElement, TappedRoutedEventArgs e, Listener listener)
{
if (frameworkElement is FrameworkElement element)
{
var args = new UwpDownUpArgs(element, e)
{
Listener = listener
};
listener.OnDown(args);
e.Handled = args.Handled;
return(e.Handled);
}
return(false);
}
private void OnTapped(object sender, TappedRoutedEventArgs e)
{
if (!_xfElement.IsVisible || FrameworkElement == null)
{
return;
}
DebugMethodName(2);
long elapsed = 0;
if (_holdTimer != null)
{
elapsed = _holdTimer.ElapsedMilliseconds;
_holdTimer?.Stop();
_holdTimer = null;
}
_releaseTimer?.Stop();
_releaseTimer = new Stopwatch();
_releaseTimer.Start();
if (!_runningTapCounterResetter)
{
_runningTapCounterResetter = true;
Device.StartTimer(TimeSpan.FromSeconds(1), () =>
{
if (_releaseTimer == null || _releaseTimer.ElapsedMilliseconds > 750)
{
_numberOfTaps = 0;
_releaseTimer?.Stop();
_releaseTimer = null;
_runningTapCounterResetter = false;
}
return(_runningTapCounterResetter);
});
}
foreach (var listener in _listeners)
{
if (listener.HandlesTapped && UwpTapEventArgs.FireTapped(FrameworkElement, e, _numberOfTaps, listener))
{
break;
}
}
foreach (var listener in _listeners)
{
if (_longPressing && listener.HandlesLongPressed && UwpLongPressEventArgs.FireLongPressed(FrameworkElement, e, elapsed, listener))
{
break;
}
}
foreach (var listener in _listeners)
{
if (listener.HandlesDown && UwpDownUpArgs.FireUp(FrameworkElement, e, listener))
{
break;
}
}
_longPressing = false;
}