Convert DirectPendingInboxFragment to kotlin
This commit is contained in:
Ammar Githam
parent
ffafda0085
commit
01c944486d
@ -1,175 +1,148 @@
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package awais.instagrabber.fragments.directmessages;
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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.content.res.Configuration;
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import android.os.Bundle
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import android.os.Bundle;
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import android.view.LayoutInflater
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import android.view.LayoutInflater;
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import android.view.View
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import android.view.View;
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import android.view.ViewGroup
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import android.view.ViewGroup;
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import androidx.coordinatorlayout.widget.CoordinatorLayout
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.activityViewModels
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import androidx.lifecycle.Observer
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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.OnRefreshListener
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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.models.Resource
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import awais.instagrabber.repositories.responses.directmessages.DirectInbox
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import awais.instagrabber.repositories.responses.directmessages.DirectThread
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import awais.instagrabber.viewmodels.DirectPendingInboxViewModel
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import com.google.android.material.snackbar.Snackbar
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import androidx.annotation.NonNull;
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class DirectPendingInboxFragment : Fragment(), OnRefreshListener {
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import androidx.annotation.Nullable;
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private val viewModel: DirectPendingInboxViewModel by activityViewModels()
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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.snackbar.Snackbar;
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private lateinit var root: CoordinatorLayout
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private lateinit var lazyLoader: RecyclerLazyLoaderAtEdge
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private lateinit var binding: FragmentDirectPendingInboxBinding
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private lateinit var fragmentActivity: MainActivity
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private lateinit var inboxAdapter: DirectMessageInboxAdapter
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import java.util.Collections;
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private var shouldRefresh = true
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import java.util.List;
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private var scrollToTop = false
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private var navigating = false
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private var threadsObserver: Observer<List<DirectThread?>>? = null
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import awais.instagrabber.activities.MainActivity;
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override fun onCreate(savedInstanceState: Bundle?) {
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import awais.instagrabber.adapters.DirectMessageInboxAdapter;
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super.onCreate(savedInstanceState)
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import awais.instagrabber.customviews.helpers.RecyclerLazyLoaderAtEdge;
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fragmentActivity = requireActivity() as MainActivity
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import awais.instagrabber.databinding.FragmentDirectPendingInboxBinding;
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}
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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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override fun onCreateView(
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private static final String TAG = DirectPendingInboxFragment.class.getSimpleName();
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inflater: LayoutInflater,
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container: ViewGroup?,
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private CoordinatorLayout root;
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savedInstanceState: Bundle?,
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private RecyclerLazyLoaderAtEdge lazyLoader;
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): View {
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private DirectPendingInboxViewModel viewModel;
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if (this::root.isInitialized) {
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private boolean shouldRefresh = true;
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shouldRefresh = false
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private FragmentDirectPendingInboxBinding binding;
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return root
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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(DirectPendingInboxViewModel.class);
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}
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}
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binding = FragmentDirectPendingInboxBinding.inflate(inflater, container, false)
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root = binding.root
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return root
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}
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}
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@Override
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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public View onCreateView(@NonNull final LayoutInflater inflater,
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if (!shouldRefresh) return
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final ViewGroup container,
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init()
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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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}
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@Override
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override fun onRefresh() {
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public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) {
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lazyLoader.resetState()
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if (!shouldRefresh) return;
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scrollToTop = true
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init();
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viewModel.refresh()
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}
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}
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@Override
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override fun onResume() {
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public void onRefresh() {
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super.onResume()
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lazyLoader.resetState();
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setupObservers()
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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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}
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@Override
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override fun onConfigurationChanged(newConfig: Configuration) {
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public void onResume() {
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super.onConfigurationChanged(newConfig)
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super.onResume();
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init()
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setupObservers();
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}
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}
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@Override
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override fun onDestroy() {
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public void onConfigurationChanged(@NonNull final Configuration newConfig) {
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super.onDestroy()
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super.onConfigurationChanged(newConfig);
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removeViewModelObservers()
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init();
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viewModel.onDestroy()
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}
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}
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@Override
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private fun setupObservers() {
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public void onDestroy() {
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removeViewModelObservers()
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super.onDestroy();
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threadsObserver = Observer { list: List<DirectThread?>? ->
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removeViewModelObservers();
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if (!this::inboxAdapter.isInitialized) return@Observer
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viewModel.onDestroy();
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if (binding.swipeRefreshLayout.visibility == View.GONE) {
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}
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binding.swipeRefreshLayout.visibility = View.VISIBLE
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binding.empty.visibility = View.GONE
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private void setupObservers() {
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}
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removeViewModelObservers();
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inboxAdapter.submitList(list ?: emptyList()) {
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threadsObserver = list -> {
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if (!scrollToTop) return@submitList
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if (inboxAdapter == null) return;
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binding.pendingInboxList.smoothScrollToPosition(0)
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if (binding.swipeRefreshLayout.getVisibility() == View.GONE) {
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scrollToTop = false
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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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}
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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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if (list == null || list.isEmpty()) {
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binding.swipeRefreshLayout.setVisibility(View.GONE);
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binding.swipeRefreshLayout.visibility = View.GONE
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binding.empty.setVisibility(View.VISIBLE);
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binding.empty.visibility = View.VISIBLE
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}
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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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threadsObserver?.let { viewModel.threads.observe(fragmentActivity, it) }
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viewModel.inbox.observe(viewLifecycleOwner, { inboxResource: Resource<DirectInbox?>? ->
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if (inboxResource == null) return@observe
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when (inboxResource.status) {
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Resource.Status.SUCCESS -> binding.swipeRefreshLayout.isRefreshing = false
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Resource.Status.ERROR -> {
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if (inboxResource.message != null) {
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Snackbar.make(binding.root, inboxResource.message, Snackbar.LENGTH_LONG).show()
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}
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binding.swipeRefreshLayout.isRefreshing = false
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}
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Resource.Status.LOADING -> binding.swipeRefreshLayout.isRefreshing = true
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}
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})
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}
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}
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private void init() {
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private fun removeViewModelObservers() {
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final Context context = getContext();
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threadsObserver?.let { viewModel.threads.removeObserver(it) }
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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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}
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private fun init() {
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val context = context ?: 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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val layoutManager = LinearLayoutManager(context)
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binding.pendingInboxList.layoutManager = layoutManager
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inboxAdapter = DirectMessageInboxAdapter { thread ->
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if (navigating) return@DirectMessageInboxAdapter
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val threadId = thread.threadId ?: return@DirectMessageInboxAdapter
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val threadTitle = thread.threadTitle ?: return@DirectMessageInboxAdapter
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navigating = true
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if (isAdded) {
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val directions = DirectPendingInboxFragmentDirections.actionPendingInboxToThread(threadId, threadTitle)
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directions.pending = 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.adapter = inboxAdapter
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lazyLoader = RecyclerLazyLoaderAtEdge(layoutManager) { viewModel.fetchInbox() }
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binding.pendingInboxList.addOnScrollListener(lazyLoader)
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}
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}
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