mirror of https://github.com/KokaKiwi/BarInsta
181 lines
6.9 KiB
Java
181 lines
6.9 KiB
Java
package awais.instagrabber.fragments.directmessages;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.coordinatorlayout.widget.CoordinatorLayout;
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import androidx.fragment.app.Fragment;
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import androidx.lifecycle.Observer;
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import androidx.lifecycle.ViewModelProvider;
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import androidx.lifecycle.ViewModelStoreOwner;
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import androidx.navigation.NavController;
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import androidx.navigation.fragment.NavHostFragment;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
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import com.google.android.material.snackbar.Snackbar;
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import java.util.Collections;
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import java.util.List;
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import awais.instagrabber.R;
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import awais.instagrabber.activities.MainActivity;
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import awais.instagrabber.adapters.DirectMessageInboxAdapter;
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import awais.instagrabber.customviews.helpers.RecyclerLazyLoaderAtEdge;
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import awais.instagrabber.databinding.FragmentDirectPendingInboxBinding;
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import awais.instagrabber.repositories.responses.directmessages.DirectThread;
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import awais.instagrabber.viewmodels.DirectPendingInboxViewModel;
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public class DirectPendingInboxFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener {
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private static final String TAG = DirectPendingInboxFragment.class.getSimpleName();
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private CoordinatorLayout root;
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private RecyclerLazyLoaderAtEdge lazyLoader;
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private DirectPendingInboxViewModel viewModel;
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private boolean shouldRefresh = true;
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private FragmentDirectPendingInboxBinding binding;
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private DirectMessageInboxAdapter inboxAdapter;
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private MainActivity fragmentActivity;
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private boolean scrollToTop = false;
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private boolean navigating;
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private Observer<List<DirectThread>> threadsObserver;
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@Override
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public void onCreate(@Nullable final Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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fragmentActivity = (MainActivity) getActivity();
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if (fragmentActivity != null) {
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final NavController navController = NavHostFragment.findNavController(this);
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final ViewModelStoreOwner viewModelStoreOwner = navController.getViewModelStoreOwner(R.id.direct_messages_nav_graph);
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viewModel = new ViewModelProvider(viewModelStoreOwner).get(DirectPendingInboxViewModel.class);
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}
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}
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@Override
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public View onCreateView(@NonNull final LayoutInflater inflater,
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final ViewGroup container,
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final Bundle savedInstanceState) {
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if (root != null) {
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shouldRefresh = false;
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return root;
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}
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binding = FragmentDirectPendingInboxBinding.inflate(inflater, container, false);
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root = binding.getRoot();
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return root;
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}
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@Override
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public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) {
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if (!shouldRefresh) return;
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init();
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}
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@Override
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public void onRefresh() {
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lazyLoader.resetState();
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scrollToTop = true;
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if (viewModel != null) {
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viewModel.refresh();
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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setupObservers();
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}
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@Override
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public void onConfigurationChanged(@NonNull final Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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init();
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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removeViewModelObservers();
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viewModel.onDestroy();
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}
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private void setupObservers() {
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removeViewModelObservers();
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threadsObserver = list -> {
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if (inboxAdapter == null) return;
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if (binding.swipeRefreshLayout.getVisibility() == View.GONE) {
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binding.swipeRefreshLayout.setVisibility(View.VISIBLE);
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binding.empty.setVisibility(View.GONE);
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}
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inboxAdapter.submitList(list == null ? Collections.emptyList() : list, () -> {
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if (!scrollToTop) return;
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binding.pendingInboxList.smoothScrollToPosition(0);
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scrollToTop = false;
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});
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if (list == null || list.isEmpty()) {
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binding.swipeRefreshLayout.setVisibility(View.GONE);
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binding.empty.setVisibility(View.VISIBLE);
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}
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};
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viewModel.getThreads().observe(fragmentActivity, threadsObserver);
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viewModel.getInbox().observe(getViewLifecycleOwner(), inboxResource -> {
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if (inboxResource == null) return;
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switch (inboxResource.status) {
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case SUCCESS:
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binding.swipeRefreshLayout.setRefreshing(false);
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break;
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case ERROR:
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if (inboxResource.message != null) {
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Snackbar.make(binding.getRoot(), inboxResource.message, Snackbar.LENGTH_LONG).show();
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}
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binding.swipeRefreshLayout.setRefreshing(false);
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break;
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case LOADING:
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binding.swipeRefreshLayout.setRefreshing(true);
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break;
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}
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});
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}
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private void removeViewModelObservers() {
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if (viewModel == null) return;
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if (threadsObserver != null) {
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viewModel.getThreads().removeObserver(threadsObserver);
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}
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}
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private void init() {
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final Context context = getContext();
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if (context == null) return;
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setupObservers();
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binding.swipeRefreshLayout.setOnRefreshListener(this);
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binding.pendingInboxList.setHasFixedSize(true);
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binding.pendingInboxList.setItemViewCacheSize(20);
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final LinearLayoutManager layoutManager = new LinearLayoutManager(context);
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binding.pendingInboxList.setLayoutManager(layoutManager);
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inboxAdapter = new DirectMessageInboxAdapter(thread -> {
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if (navigating) return;
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navigating = true;
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if (isAdded()) {
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final DirectPendingInboxFragmentDirections.ActionPendingInboxToThread directions = DirectPendingInboxFragmentDirections
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.actionPendingInboxToThread(thread.getThreadId(), thread.getThreadTitle());
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directions.setPending(true);
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NavHostFragment.findNavController(this).navigate(directions);
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}
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navigating = false;
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});
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inboxAdapter.setHasStableIds(true);
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binding.pendingInboxList.setAdapter(inboxAdapter);
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lazyLoader = new RecyclerLazyLoaderAtEdge(layoutManager, page -> {
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if (viewModel == null) return;
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viewModel.fetchInbox();
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});
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binding.pendingInboxList.addOnScrollListener(lazyLoader);
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}
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}
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