136 lines
4.4 KiB
Java
136 lines
4.4 KiB
Java
package org.moire.ultrasonic.fragment;
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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 android.widget.AdapterView;
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import android.widget.ListView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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import androidx.navigation.Navigation;
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
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import org.moire.ultrasonic.R;
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import org.moire.ultrasonic.domain.Genre;
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import org.moire.ultrasonic.service.MusicService;
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import org.moire.ultrasonic.service.MusicServiceFactory;
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import org.moire.ultrasonic.util.BackgroundTask;
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import org.moire.ultrasonic.util.CancellationToken;
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import org.moire.ultrasonic.util.Constants;
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import org.moire.ultrasonic.util.FragmentBackgroundTask;
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import org.moire.ultrasonic.util.Settings;
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import org.moire.ultrasonic.util.Util;
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import org.moire.ultrasonic.view.GenreAdapter;
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import java.util.ArrayList;
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import java.util.List;
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import timber.log.Timber;
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/**
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* Displays the available genres in the media library
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*/
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public class SelectGenreFragment extends Fragment {
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private SwipeRefreshLayout refreshGenreListView;
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private ListView genreListView;
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private View emptyView;
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private CancellationToken cancellationToken;
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@Override
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public void onCreate(@Nullable Bundle savedInstanceState) {
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Util.applyTheme(this.getContext());
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super.onCreate(savedInstanceState);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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return inflater.inflate(R.layout.select_genre, container, false);
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}
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@Override
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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
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cancellationToken = new CancellationToken();
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refreshGenreListView = view.findViewById(R.id.select_genre_refresh);
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genreListView = view.findViewById(R.id.select_genre_list);
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refreshGenreListView.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener()
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{
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@Override
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public void onRefresh()
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{
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load(true);
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}
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});
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genreListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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Genre genre = (Genre) parent.getItemAtPosition(position);
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if (genre != null)
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{
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Bundle bundle = new Bundle();
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bundle.putString(Constants.INTENT_EXTRA_NAME_GENRE_NAME, genre.getName());
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bundle.putInt(Constants.INTENT_EXTRA_NAME_ALBUM_LIST_SIZE, Settings.getMaxSongs());
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bundle.putInt(Constants.INTENT_EXTRA_NAME_ALBUM_LIST_OFFSET, 0);
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Navigation.findNavController(view).navigate(R.id.trackCollectionFragment, bundle);
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}
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}
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});
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emptyView = view.findViewById(R.id.select_genre_empty);
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registerForContextMenu(genreListView);
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FragmentTitle.Companion.setTitle(this, R.string.main_genres_title);
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load(false);
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}
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@Override
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public void onDestroyView() {
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cancellationToken.cancel();
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super.onDestroyView();
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}
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private void load(final boolean refresh)
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{
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BackgroundTask<List<Genre>> task = new FragmentBackgroundTask<List<Genre>>(getActivity(), true, refreshGenreListView, cancellationToken)
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{
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@Override
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protected List<Genre> doInBackground()
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{
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MusicService musicService = MusicServiceFactory.getMusicService();
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List<Genre> genres = new ArrayList<>();
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try
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{
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genres = musicService.getGenres(refresh);
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}
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catch (Exception x)
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{
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Timber.e(x, "Failed to load genres");
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}
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return genres;
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}
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@Override
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protected void done(List<Genre> result)
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{
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emptyView.setVisibility(result == null || result.isEmpty() ? View.VISIBLE : View.GONE);
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if (result != null)
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{
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genreListView.setAdapter(new GenreAdapter(getContext(), result));
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}
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}
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};
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task.execute();
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}
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}
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