docs: private void adjustKnobHeight(int outerHeight, int innerHeight) {
  
          int result = (int)((1.0 * outerHeight * outerHeight) / innerHeight);
          result = result > (outerHeight - 5) ? 5 : (result < 8 ? 8 : result);
          m_positionValueRatio = (1.0 * (outerHeight - result)) / (innerHeight - outerHeight);
          m_knobHeight = result - (2 * SCROLL_KNOB_OFFSET);
          m_knobHeight = m_knobHeight < SCROLL_KNOB_MIN_HEIGHT ? SCROLL_KNOB_MIN_HEIGHT : m_knobHeight;
          m_knob.getStyle().setHeight(m_knobHeight, Unit.PX);
      }