@Override
        public boolean onDown(MotionEvent e) {
            if (isScrollEnabled) {

                disallowParentInterceptTouchEvent();

                return chartScroller.startScroll(computator);
            }

            return false;

        }
Allow parent view to intercept touch events if chart cannot be scroll horizontally or vertically according to
the
current value of {@link #containerScrollType}.
hellocharts-library/src/lecho/lib/hellocharts/gesture/ChartTouchHandler.java