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package de.danoeh.antennapod.fragment;
import android.content.res.TypedArray;
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.AdapterView;
import android.widget.ListView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.core.view.MenuItemCompat;
import androidx.fragment.app.Fragment;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.adapter.FeedItemlistAdapter;
import de.danoeh.antennapod.core.event.DownloadEvent;
import de.danoeh.antennapod.core.event.FeedItemEvent;
import de.danoeh.antennapod.core.event.PlaybackHistoryEvent;
import de.danoeh.antennapod.core.event.PlayerStatusEvent;
import de.danoeh.antennapod.core.feed.FeedItem;
import de.danoeh.antennapod.core.storage.DBReader;
import de.danoeh.antennapod.core.storage.DBWriter;
import de.danoeh.antennapod.core.util.FeedItemUtil;
import de.danoeh.antennapod.view.EmptyViewHandler;
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.List;
public class PlaybackHistoryFragment extends Fragment implements AdapterView.OnItemClickListener {
public static final String TAG = "PlaybackHistoryFragment";
private List<FeedItem> playbackHistory;
private FeedItemlistAdapter adapter;
private Disposable disposable;
private ListView listView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
setHasOptionsMenu(true);
}
@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.setTitle(R.string.playback_history_label);
((AppCompatActivity) getActivity()).setSupportActionBar(toolbar);
listView = root.findViewById(android.R.id.list);
EmptyViewHandler emptyView = new EmptyViewHandler(getActivity());
emptyView.setIcon(R.attr.ic_history);
emptyView.setTitle(R.string.no_history_head_label);
emptyView.setMessage(R.string.no_history_label);
emptyView.attachToListView(listView);
// played items shoudln't be transparent for this fragment since, *all* items
// in this fragment will, by definition, be played. So it serves no purpose and can make
// it harder to read.
adapter = new FeedItemlistAdapter((MainActivity) getActivity(), itemAccess, true, false);
listView.setAdapter(adapter);
return root;
}
@Override
public void onStart() {
super.onStart();
EventBus.getDefault().register(this);
loadItems();
}
@Override
public void onStop() {
super.onStop();
EventBus.getDefault().unregister(this);
if (disposable != null) {
disposable.dispose();
}
}
@Subscribe(sticky = true, threadMode = ThreadMode.MAIN)
public void onEvent(DownloadEvent event) {
Log.d(TAG, "onEvent() called with: " + "event = [" + event + "]");
adapter.notifyDataSetChanged();
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
position -= listView.getHeaderViewsCount();
long[] ids = FeedItemUtil.getIds(playbackHistory);
((MainActivity) getActivity()).loadChildFragment(ItemPagerFragment.newInstance(ids, position));
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
if (!isAdded()) {
return;
}
super.onCreateOptionsMenu(menu, inflater);
MenuItem clearHistory = menu.add(Menu.NONE, R.id.clear_history_item, Menu.CATEGORY_CONTAINER, R.string.clear_history_label);
MenuItemCompat.setShowAsAction(clearHistory, MenuItemCompat.SHOW_AS_ACTION_IF_ROOM);
TypedArray drawables = getActivity().obtainStyledAttributes(new int[]{R.attr.content_discard});
clearHistory.setIcon(drawables.getDrawable(0));
drawables.recycle();
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
MenuItem menuItem = menu.findItem(R.id.clear_history_item);
if (menuItem != null) {
menuItem.setVisible(playbackHistory != null && !playbackHistory.isEmpty());
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (!super.onOptionsItemSelected(item)) {
switch (item.getItemId()) {
case R.id.clear_history_item:
DBWriter.clearPlaybackHistory();
return true;
default:
return false;
}
} else {
return true;
}
}
@Subscribe(threadMode = ThreadMode.MAIN)
public void onEventMainThread(FeedItemEvent event) {
Log.d(TAG, "onEventMainThread() called with: " + "event = [" + event + "]");
if (playbackHistory == null) {
return;
}
for (FeedItem item : event.items) {
int pos = FeedItemUtil.indexOfItemWithId(playbackHistory, item.getId());
if (pos >= 0) {
loadItems();
return;
}
}
}
@Subscribe(threadMode = ThreadMode.MAIN)
public void onHistoryUpdated(PlaybackHistoryEvent event) {
loadItems();
getActivity().supportInvalidateOptionsMenu();
}
@Subscribe(threadMode = ThreadMode.MAIN)
public void onPlayerStatusChanged(PlayerStatusEvent event) {
loadItems();
getActivity().supportInvalidateOptionsMenu();
}
private void onFragmentLoaded() {
adapter.notifyDataSetChanged();
getActivity().supportInvalidateOptionsMenu();
}
private final FeedItemlistAdapter.ItemAccess itemAccess = new FeedItemlistAdapter.ItemAccess() {
@Override
public int getCount() {
return (playbackHistory != null) ? playbackHistory.size() : 0;
}
@Override
public FeedItem getItem(int position) {
if (playbackHistory != null && 0 <= position && position < playbackHistory.size()) {
return playbackHistory.get(position);
} else {
return null;
}
}
};
private void loadItems() {
if (disposable != null) {
disposable.dispose();
}
disposable = Observable.fromCallable(this::loadData)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(result -> {
if (result != null) {
playbackHistory = result;
onFragmentLoaded();
}
}, error -> Log.e(TAG, Log.getStackTraceString(error)));
}
@NonNull
private List<FeedItem> loadData() {
List<FeedItem> history = DBReader.getPlaybackHistory();
DBReader.loadAdditionalFeedItemListData(history);
return history;
}
}
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