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package de.danoeh.antennapod.fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.Toolbar;
import androidx.fragment.app.Fragment;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.adapter.EpisodeItemListAdapter;
import de.danoeh.antennapod.adapter.actionbutton.DeleteActionButton;
import de.danoeh.antennapod.core.event.DownloadLogEvent;
import de.danoeh.antennapod.core.event.FeedItemEvent;
import de.danoeh.antennapod.core.event.PlaybackPositionEvent;
import de.danoeh.antennapod.core.event.PlayerStatusEvent;
import de.danoeh.antennapod.core.event.UnreadItemsUpdateEvent;
import de.danoeh.antennapod.core.feed.FeedItem;
import de.danoeh.antennapod.core.storage.DBReader;
import de.danoeh.antennapod.core.util.FeedItemUtil;
import de.danoeh.antennapod.dialog.EpisodesApplyActionFragment;
import de.danoeh.antennapod.menuhandler.FeedItemMenuHandler;
import de.danoeh.antennapod.view.EmptyViewHandler;
import de.danoeh.antennapod.view.EpisodeItemListRecyclerView;
import de.danoeh.antennapod.view.viewholder.EpisodeItemViewHolder;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;
import java.util.ArrayList;
import java.util.List;
import static de.danoeh.antennapod.dialog.EpisodesApplyActionFragment.ACTION_ADD_TO_QUEUE;
import static de.danoeh.antennapod.dialog.EpisodesApplyActionFragment.ACTION_DELETE;
/**
* Displays all completed downloads and provides a button to delete them.
*/
public class CompletedDownloadsFragment extends Fragment {
private static final String TAG = CompletedDownloadsFragment.class.getSimpleName();
private List<FeedItem> items = new ArrayList<>();
private CompletedDownloadsListAdapter adapter;
private EpisodeItemListRecyclerView recyclerView;
private ProgressBar progressBar;
private Disposable disposable;
private EmptyViewHandler emptyView;
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.simple_list_fragment, container, false);
Toolbar toolbar = root.findViewById(R.id.toolbar);
toolbar.setVisibility(View.GONE);
recyclerView = root.findViewById(R.id.recyclerView);
recyclerView.setRecycledViewPool(((MainActivity) getActivity()).getRecycledViewPool());
recyclerView.setVisibility(View.GONE);
adapter = new CompletedDownloadsListAdapter((MainActivity) getActivity());
recyclerView.setAdapter(adapter);
progressBar = root.findViewById(R.id.progLoading);
addEmptyView();
EventBus.getDefault().register(this);
return root;
}
@Override
public void onDestroyView() {
EventBus.getDefault().unregister(this);
super.onDestroyView();
}
@Override
public void onStart() {
super.onStart();
setHasOptionsMenu(true);
loadItems();
}
@Override
public void onStop() {
super.onStop();
if (disposable != null) {
disposable.dispose();
}
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
inflater.inflate(R.menu.downloads_completed, menu);
menu.findItem(R.id.episode_actions).setVisible(items.size() > 0);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.episode_actions) {
((MainActivity) requireActivity())
.loadChildFragment(EpisodesApplyActionFragment.newInstance(items, ACTION_DELETE | ACTION_ADD_TO_QUEUE));
return true;
}
return false;
}
@Override
public boolean onContextItemSelected(@NonNull MenuItem item) {
FeedItem selectedItem = adapter.getSelectedItem();
if (selectedItem == null) {
Log.i(TAG, "Selected item at current position was null, ignoring selection");
return super.onContextItemSelected(item);
}
return FeedItemMenuHandler.onMenuItemClicked(this, item.getItemId(), selectedItem);
}
private void addEmptyView() {
emptyView = new EmptyViewHandler(getActivity());
emptyView.setIcon(R.attr.av_download);
emptyView.setTitle(R.string.no_comp_downloads_head_label);
emptyView.setMessage(R.string.no_comp_downloads_label);
emptyView.attachToRecyclerView(recyclerView);
}
@Subscribe(threadMode = ThreadMode.MAIN)
public void onEventMainThread(FeedItemEvent event) {
Log.d(TAG, "onEventMainThread() called with: " + "event = [" + event + "]");
if (items == null) {
return;
} else if (adapter == null) {
loadItems();
return;
}
for (int i = 0, size = event.items.size(); i < size; i++) {
FeedItem item = event.items.get(i);
int pos = FeedItemUtil.indexOfItemWithId(items, item.getId());
if (pos >= 0) {
items.remove(pos);
if (item.getMedia().isDownloaded()) {
items.add(pos, item);
adapter.notifyItemChangedCompat(pos);
} else {
adapter.notifyItemRemoved(pos);
}
}
}
}
@Subscribe(threadMode = ThreadMode.MAIN)
public void onEventMainThread(PlaybackPositionEvent event) {
if (adapter != null) {
for (int i = 0; i < adapter.getItemCount(); i++) {
EpisodeItemViewHolder holder = (EpisodeItemViewHolder) recyclerView.findViewHolderForAdapterPosition(i);
if (holder != null && holder.isCurrentlyPlayingItem()) {
holder.notifyPlaybackPositionUpdated(event);
break;
}
}
}
}
@Subscribe(threadMode = ThreadMode.MAIN)
public void onPlayerStatusChanged(PlayerStatusEvent event) {
loadItems();
}
@Subscribe
public void onDownloadLogChanged(DownloadLogEvent event) {
loadItems();
}
@Subscribe
public void onUnreadItemsChanged(UnreadItemsUpdateEvent event) {
loadItems();
}
private void loadItems() {
if (disposable != null) {
disposable.dispose();
}
progressBar.setVisibility(View.VISIBLE);
emptyView.hide();
disposable = Observable.fromCallable(DBReader::getDownloadedItems)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(result -> {
items = result;
adapter.updateItems(result);
requireActivity().invalidateOptionsMenu();
progressBar.setVisibility(View.GONE);
}, error -> Log.e(TAG, Log.getStackTraceString(error)));
}
private static class CompletedDownloadsListAdapter extends EpisodeItemListAdapter {
public CompletedDownloadsListAdapter(MainActivity mainActivity) {
super(mainActivity);
}
@Override
public void afterBindViewHolder(EpisodeItemViewHolder holder, int pos) {
DeleteActionButton actionButton = new DeleteActionButton(getItem(pos));
actionButton.configure(holder.secondaryActionButton, holder.secondaryActionIcon, getActivity());
}
}
}
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