@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.menu_book_detail, menu);
final MenuItem menuItem = menu.findItem(R.id.action_share);
mShareActionProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(menuItem);
if (mAdapter.getCount() > 0) {
final int position = mBookDetailPager.getCurrentItem();
updateShareIntent(mAdapter.getBookTitleForPosition(position));
updateUserProfile(position);
} else {
updateShareIntent(null);
}
}
/**
* Updates the book owner profile for a particular selection
*
* @param position The book page selected
*/
private void updateUserProfile(int position) {
final ProfileFragment fragment =
(ProfileFragment) getChildFragmentManager().findFragmentByTag(FragmentTags.USER_PROFILE);
if (fragment != null) {
fragment.setUserId(mAdapter.getUserIdForPosition(position));
}
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
if (loader.getId() == Loaders.SEARCH_BOOKS_ON_PAGER) {
mAdapter.swapCursor(cursor);
if (cursor.getCount() > 0) {
mBookDetailPager.setCurrentItem(mBookPosition);
/*
* Viewpager doesn't call on page selected() on the listener if the
* set item is 0. This is to workaround that
*/
if (mBookPosition == 0 && cursor.getCount() > 0) {
onPageSelected(mBookPosition);
}
}
}
}
@Override
public void onPageSelected(int position) {
updateShareIntent(mAdapter.getBookTitleForPosition(position));
updateUserProfile(position);
}
