public void setCurrentItemInternal(int item, boolean smoothScroll, boolean always, int velocity) {
if (!always && mCurItem == item) {
setScrollingCacheEnabled(false);
return;
}
item = mViewBehind.getMenuPage(item);
final boolean dispatchSelected = mCurItem != item;
mCurItem = item;
if (mViewBehind.getbMode()) {
final int destY = getDestScrollX(mCurItem);
if (dispatchSelected && mOnPageChangeListener != null) {
mOnPageChangeListener.onPageSelected(item);
}
if (dispatchSelected && mInternalPageChangeListener != null) {
mInternalPageChangeListener.onPageSelected(item);
}
if (smoothScroll) {
smoothScrollTo(0, destY, velocity);
} else {
completeScroll();
scrollTo(0, destY);
}
} else {
final int destX = getDestScrollX(mCurItem);
if (dispatchSelected && mOnPageChangeListener != null) {
mOnPageChangeListener.onPageSelected(item);
}
if (dispatchSelected && mInternalPageChangeListener != null) {
mInternalPageChangeListener.onPageSelected(item);
}
if (smoothScroll) {
smoothScrollTo(destX, 0, velocity);
} else {
completeScroll();
scrollTo(destX, 0);
}
}
}
