didFeatureUpdate method
Implementation
void didFeatureUpdate(InputFeature oldFeature) {
if (oldFeature.visibility != feature.visibility) {
for (var oldDependency
in oldFeature.visibility.getDependencies(_inputState!)) {
oldDependency.removeListener(_updateVisibility);
}
for (var newDependency
in feature.visibility.getDependencies(_inputState!)) {
newDependency.addListener(_updateVisibility);
}
}
}