mirror of https://github.com/KokaKiwi/BarInsta
202 lines
7.1 KiB
Java
202 lines
7.1 KiB
Java
package awais.instagrabber.fragments.directmessages;
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import android.content.Context;
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import android.content.IntentFilter;
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import android.content.res.Configuration;
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import android.os.Bundle;
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import android.util.Log;
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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.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.badge.BadgeDrawable;
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import com.google.android.material.bottomnavigation.BottomNavigationView;
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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.broadcasts.DMRefreshBroadcastReceiver;
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import awais.instagrabber.customviews.helpers.RecyclerLazyLoaderAtEdge;
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import awais.instagrabber.databinding.FragmentDirectMessagesInboxBinding;
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import awais.instagrabber.repositories.responses.directmessages.DirectThread;
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import awais.instagrabber.viewmodels.DirectInboxViewModel;
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public class DirectMessageInboxFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener {
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private static final String TAG = "DirectMessagesInboxFrag";
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private CoordinatorLayout root;
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private RecyclerLazyLoaderAtEdge lazyLoader;
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private DirectInboxViewModel viewModel;
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// private boolean refreshInbox = false;
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private boolean shouldRefresh = true;
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private FragmentDirectMessagesInboxBinding binding;
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private DMRefreshBroadcastReceiver receiver;
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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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viewModel = new ViewModelProvider(fragmentActivity).get(DirectInboxViewModel.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 = FragmentDirectMessagesInboxBinding.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 onPause() {
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super.onPause();
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unregisterReceiver();
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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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observeViewModel();
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final Context context = getContext();
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if (context == null) return;
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receiver = new DMRefreshBroadcastReceiver(() -> {
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Log.d(TAG, "onResume: broadcast received");
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// refreshInbox = true;
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});
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context.registerReceiver(receiver, new IntentFilter(DMRefreshBroadcastReceiver.ACTION_REFRESH_DM));
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}
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@Override
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public void onDestroyView() {
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super.onDestroyView();
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unregisterReceiver();
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}
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private void unregisterReceiver() {
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if (receiver == null) return;
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final Context context = getContext();
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if (context == null) return;
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context.unregisterReceiver(receiver);
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receiver = null;
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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 observeViewModel() {
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threadsObserver = list -> {
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if (inboxAdapter == null) return;
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inboxAdapter.submitList(list, () -> {
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if (!scrollToTop) return;
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binding.inboxList.smoothScrollToPosition(0);
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scrollToTop = false;
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});
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};
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viewModel.getThreads().observe(fragmentActivity, threadsObserver);
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viewModel.getFetchingInbox().observe(getViewLifecycleOwner(), fetching -> binding.swipeRefreshLayout.setRefreshing(fetching));
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viewModel.getUnseenCount().observe(getViewLifecycleOwner(), this::setBottomNavBarBadge);
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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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// no need to explicitly remove observers whose lifecycle owner is getViewLifecycleOwner
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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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observeViewModel();
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binding.swipeRefreshLayout.setOnRefreshListener(this);
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binding.inboxList.setHasFixedSize(true);
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binding.inboxList.setItemViewCacheSize(20);
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final LinearLayoutManager layoutManager = new LinearLayoutManager(context);
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binding.inboxList.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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final Bundle bundle = new Bundle();
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bundle.putString("threadId", thread.getThreadId());
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bundle.putString("title", thread.getThreadTitle());
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if (isAdded()) {
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NavHostFragment.findNavController(this).navigate(R.id.action_inbox_to_thread, bundle);
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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.inboxList.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.inboxList.addOnScrollListener(lazyLoader);
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}
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private void setBottomNavBarBadge(final int unseenCount) {
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final BottomNavigationView bottomNavView = fragmentActivity.getBottomNavView();
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final BadgeDrawable badge = bottomNavView.getOrCreateBadge(R.id.direct_messages_nav_graph);
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if (badge == null) return;
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if (unseenCount == 0) {
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badge.setVisible(false);
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badge.clearNumber();
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return;
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}
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if (badge.getVerticalOffset() != 10) {
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badge.setVerticalOffset(10);
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}
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badge.setNumber(unseenCount);
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badge.setVisible(true);
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}
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}
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