private void OnTouch()

in source/SkiaSharp.Views.Maui/SkiaSharp.Views.Maui.Core/Platform/Android/SKTouchHandler.cs [41:110]
54 lines of code
12 McCabe index (conditional complexity)

		private void OnTouch(object? sender, View.TouchEventArgs e)
		{
			if (onTouchAction == null || scalePixels == null)
				return;

			var evt = e.Event;
			if (evt == null)
				return;

			var pointer = evt.ActionIndex;

			var id = evt.GetPointerId(pointer);
			var coords = scalePixels(evt.GetX(pointer), evt.GetY(pointer));

			var toolType = evt.GetToolType(pointer);

			var deviceType = GetDeviceType(toolType);

			var pressure = evt.GetPressure(pointer);

			var button = GetButton(evt, toolType);

			switch (evt.ActionMasked)
			{
				case MotionEventActions.Down:
				case MotionEventActions.PointerDown:
					{
						var args = new SKTouchEventArgs(id, SKTouchAction.Pressed, button, deviceType, coords, true, 0, pressure);

						onTouchAction(args);
						e.Handled = args.Handled;
						break;
					}

				case MotionEventActions.Move:
					{
						var count = evt.PointerCount;
						for (pointer = 0; pointer < count; pointer++)
						{
							id = evt.GetPointerId(pointer);
							coords = scalePixels(evt.GetX(pointer), evt.GetY(pointer));

							var args = new SKTouchEventArgs(id, SKTouchAction.Moved, button, deviceType, coords, true, 0, pressure);

							onTouchAction(args);
							e.Handled = e.Handled || args.Handled;
						}
						break;
					}

				case MotionEventActions.Up:
				case MotionEventActions.PointerUp:
					{
						var args = new SKTouchEventArgs(id, SKTouchAction.Released, button, deviceType, coords, false, 0, pressure);

						onTouchAction(args);
						e.Handled = args.Handled;
						break;
					}

				case MotionEventActions.Cancel:
					{
						var args = new SKTouchEventArgs(id, SKTouchAction.Cancelled, button, deviceType, coords, false, 0, pressure);

						onTouchAction(args);
						e.Handled = args.Handled;
						break;
					}
			}
		}