/**
* Highlights upon dragging, generates callbacks for the selection-listener.
*
* @param e
*/
private void performHighlightDrag(MotionEvent e) {
Highlight h = mChart.getHighlightByTouchPoint(e.getX(), e.getY());
if (h != null && !h.equalTo(mLastHighlighted)) {
mLastHighlighted = h;
mChart.highlightTouch(h);
}
}
/**
* Perform a highlight operation.
*
* @param e
*/
private void performHighlight(MotionEvent e) {
Highlight h = mChart.getHighlightByTouchPoint(e.getX(), e.getY());
if (h == null || h.equalTo(mLastHighlighted)) {
mChart.highlightTouch(null);
mLastHighlighted = null;
} else {
mLastHighlighted = h;
mChart.highlightTouch(h);
}
}