private void allowParentInterceptTouchEvent(ScrollResult scrollResult) {
        if (null != viewParent) {
            if (ContainerScrollType.HORIZONTAL == containerScrollType && !scrollResult.canScrollX
                    && !scaleGestureDetector.isInProgress()) {
                viewParent.requestDisallowInterceptTouchEvent(false);
            } else if (ContainerScrollType.VERTICAL == containerScrollType && !scrollResult.canScrollY
                    && !scaleGestureDetector.isInProgress()) {
                viewParent.requestDisallowInterceptTouchEvent(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