initMouseTracker method
- MouseTracker? tracker
Creates a MouseTracker which manages state about currently connected mice, for hover notification.
Used by testing framework to reinitialize the mouse tracker between tests.
Implementation
@visibleForTesting
void initMouseTracker([MouseTracker? tracker]) {
_mouseTracker?.dispose();
_mouseTracker = tracker ?? MouseTracker((Offset position, int viewId) {
final HitTestResult result = HitTestResult();
hitTestInView(result, position, viewId);
return result;
});
}