@Override
public IRotaryControllable next() {
if (getPager().isAtEnd()) {
return UIStateController.getInstance().getGoogleNaviController();
}
super.next();
if (getPager().getPosition() < (VISIBLE_ITEM_COUNT - 1)) {
return this;
}
if (getPager().getPosition() > ((getPager().size()) - VISIBLE_ITEM_COUNT)) {
return this;
}
TransitionUtil.moveNodeY(
songBox, scrollPos, scrollPos - SCROLL_LEFT_LENGTH, false, SCROLL_DELAY);
scrollPos -= SCROLL_LEFT_LENGTH;
return this;
}
@Override
public IRotaryControllable prev() {
if (getPager().isAtStart()) {
return UIStateController.getInstance().getGoogleNaviController();
}
super.prev();
if (getPager().getPosition() > (getPager().size() - VISIBLE_ITEM_COUNT)) {
return this;
}
if (scrollPos < 0) {
TransitionUtil.moveNodeY(
songBox, scrollPos, scrollPos + SCROLL_LEFT_LENGTH, false, SCROLL_DELAY);
scrollPos += SCROLL_LEFT_LENGTH;
}
return this;
}
