@Override
public void onLoadFinished(
final Loader<AugmentedMentionContainer> loader, final AugmentedMentionContainer data) {
if (data == null) {
// TODO - we need to tailor this to lack of connection/other network issue
addDataToAdapter(null);
return;
}
if (mInfiniteScrollListener != null
&& !mInfiniteScrollListener.isLoading()
&& !mRefreshLayout.isRefreshing()) {
// This may happen when we are coming back from posts fragment to threads. For some
// reason loadFinished gets called. However, we may have new data about the thread -
// don't disturb this data.
UIUtils.updateEmptyViewState(getView(), mRecyclerView, false);
mRecyclerView.setOnScrollListener(mInfiniteScrollListener);
return;
} else if (data.getCurrentPage() == 1 || mInfiniteScrollListener == null) {
mAdapter.clear();
mTotalPages = data.getTotalPages();
mInfiniteScrollListener =
new InfiniteRecyclerLoadHelper(
mRecyclerView, new InfiniteLoadCallback(), mTotalPages, null);
}
mInfiniteScrollListener.onLoadFinished();
addDataToAdapter(data.getMentions());
if (!mInfiniteScrollListener.hasMoreData()) {
mAdapter.removeFooter();
}
}
@Override
public void onViewCreated(final View view, @Nullable final Bundle state) {
super.onViewCreated(view, state);
mRefreshLayout.setOnRefreshListener(
new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
UIUtils.updateEmptyViewState(getView(), mRecyclerView, mAdapter.isEmpty());
reloadTheFirstPage();
}
});
mRecyclerView.setAdapter(mAdapter);
if (!mAdapter.isEmpty()) {
return;
}
if (state == null) {
loadTheFirstPage();
} else {
final List<AugmentedMention> mentions = state.getParcelableArrayList(SAVED_ADAPTER_STATE);
if (Utils.isCollectionEmpty(mentions)) {
loadTheFirstPage();
} else {
// This should give a non-zero integer
mTotalPages = state.getInt(PAGES_SAVED_STATE);
mInfiniteScrollListener =
new InfiniteRecyclerLoadHelper(
mRecyclerView, new InfiniteLoadCallback(), mTotalPages, null);
addDataToAdapter(mentions);
}
}
}
private void addDataToAdapter(final List<AugmentedMention> data) {
UIUtils.updateEmptyViewState(getView(), mRecyclerView, data == null ? 0 : data.size());
// Let's actually add the items now
mAdapter.addAll(data);
mRefreshLayout.setRefreshing(false);
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
final ArrayList<AugmentedMention> mentions = new ArrayList<>(mAdapter.getMentions());
outState.putParcelableArrayList(MentionFragment.SAVED_ADAPTER_STATE, mentions);
outState.putInt(PAGES_SAVED_STATE, mTotalPages);
}
