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package de.danoeh.antennapod.fragment;
import android.app.Dialog;
import android.content.res.TypedArray;
import android.os.Bundle;
import androidx.appcompat.app.AlertDialog;
import androidx.fragment.app.ListFragment;
import androidx.core.view.MenuItemCompat;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.adapter.DownloadLogAdapter;
import de.danoeh.antennapod.core.event.DownloadLogEvent;
import de.danoeh.antennapod.core.feed.Feed;
import de.danoeh.antennapod.core.feed.FeedMedia;
import de.danoeh.antennapod.core.service.download.DownloadStatus;
import de.danoeh.antennapod.core.storage.DBReader;
import de.danoeh.antennapod.core.storage.DBWriter;
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;
/**
* Shows the download log
*/
public class DownloadLogFragment extends ListFragment {
private static final String TAG = "DownloadLogFragment";
private List<DownloadStatus> downloadLog = new ArrayList<>();
private DownloadLogAdapter adapter;
private Disposable disposable;
@Override
public void onStart() {
super.onStart();
loadItems();
}
@Override
public void onResume() {
super.onResume();
setHasOptionsMenu(true);
}
@Override
public void onStop() {
super.onStop();
if (disposable != null) {
disposable.dispose();
}
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
// add padding
final ListView lv = getListView();
lv.setClipToPadding(false);
final int vertPadding = getResources().getDimensionPixelSize(R.dimen.list_vertical_padding);
lv.setPadding(0, vertPadding, 0, vertPadding);
EmptyViewHandler emptyView = new EmptyViewHandler(getActivity());
emptyView.setIcon(R.attr.av_download);
emptyView.setTitle(R.string.no_log_downloads_head_label);
emptyView.setMessage(R.string.no_log_downloads_label);
emptyView.attachToListView(getListView());
adapter = new DownloadLogAdapter(getActivity(), itemAccess);
setListAdapter(adapter);
EventBus.getDefault().register(this);
}
@Override
public void onDestroyView() {
EventBus.getDefault().unregister(this);
super.onDestroyView();
}
private void onFragmentLoaded() {
setListShown(true);
adapter.notifyDataSetChanged();
getActivity().supportInvalidateOptionsMenu();
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
DownloadStatus status = adapter.getItem(position);
String url = "unknown";
String message = getString(R.string.download_successful);
if (status.getFeedfileType() == FeedMedia.FEEDFILETYPE_FEEDMEDIA) {
FeedMedia media = DBReader.getFeedMedia(status.getFeedfileId());
if (media != null) {
url = media.getDownload_url();
}
} else if (status.getFeedfileType() == Feed.FEEDFILETYPE_FEED) {
Feed feed = DBReader.getFeed(status.getFeedfileId());
if (feed != null) {
url = feed.getDownload_url();
}
}
if (!status.isSuccessful()) {
message = status.getReasonDetailed();
}
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setTitle(R.string.download_error_details);
builder.setMessage(getString(R.string.download_error_details_message, message, url));
builder.setPositiveButton(android.R.string.ok, null);
Dialog dialog = builder.show();
((TextView) dialog.findViewById(android.R.id.message)).setTextIsSelectable(true);
}
private final DownloadLogAdapter.ItemAccess itemAccess = new DownloadLogAdapter.ItemAccess() {
@Override
public int getCount() {
return downloadLog.size();
}
@Override
public DownloadStatus getItem(int position) {
if (0 <= position && position < downloadLog.size()) {
return downloadLog.get(position);
} else {
return null;
}
}
};
@Subscribe
public void onDownloadLogChanged(DownloadLogEvent event) {
loadItems();
}
@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.ic_delete});
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(!downloadLog.isEmpty());
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (!super.onOptionsItemSelected(item)) {
switch (item.getItemId()) {
case R.id.clear_history_item:
DBWriter.clearDownloadLog();
return true;
default:
return false;
}
} else {
return true;
}
}
private void loadItems() {
if (disposable != null) {
disposable.dispose();
}
disposable = Observable.fromCallable(DBReader::getDownloadLog)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(result -> {
if (result != null) {
downloadLog = result;
onFragmentLoaded();
}
}, error -> Log.e(TAG, Log.getStackTraceString(error)));
}
}
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