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package de.danoeh.antennapod.fragment;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.helper.ItemTouchHelper;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import java.util.List;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.adapter.AllEpisodesRecycleAdapter;
import de.danoeh.antennapod.core.feed.FeedItem;
import de.danoeh.antennapod.core.storage.DBReader;
/**
* Like 'EpisodesFragment' except that it only shows new episodes and
* supports swiping to mark as read.
*/
public class NewEpisodesFragment extends EpisodesListFragment {
public static final String TAG = "NewEpisodesFragment";
private static final String PREF_NAME = "PrefNewEpisodesFragment";
@Override
protected boolean showOnlyNewEpisodes() {
return true;
}
@Override
protected String getPrefName() {
return PREF_NAME;
}
@Override
protected boolean shouldUpdatedItemRemainInList(FeedItem item) {
return item.isNew();
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
menu.findItem(R.id.remove_all_new_flags_item).setVisible(!episodes.isEmpty());
}
@NonNull
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, container, savedInstanceState);
emptyView.setTitle(R.string.no_new_episodes_head_label);
emptyView.setMessage(R.string.no_new_episodes_label);
ItemTouchHelper.SimpleCallback simpleItemTouchCallback = new ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT) {
@Override
public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
return false;
}
@Override
public void onSwiped(RecyclerView.ViewHolder viewHolder, int swipeDir) {
AllEpisodesRecycleAdapter.Holder holder = (AllEpisodesRecycleAdapter.Holder) viewHolder;
removeNewFlagWithUndo(holder.getFeedItem());
}
@Override
public void onSelectedChanged(RecyclerView.ViewHolder viewHolder,
int actionState) {
// We only want the active item
if (actionState != ItemTouchHelper.ACTION_STATE_IDLE) {
if (viewHolder instanceof AllEpisodesRecycleAdapter.ItemTouchHelperViewHolder) {
AllEpisodesRecycleAdapter.ItemTouchHelperViewHolder itemViewHolder =
(AllEpisodesRecycleAdapter.ItemTouchHelperViewHolder) viewHolder;
itemViewHolder.onItemSelected();
}
}
super.onSelectedChanged(viewHolder, actionState);
}
@Override
public void clearView(RecyclerView recyclerView,
RecyclerView.ViewHolder viewHolder) {
super.clearView(recyclerView, viewHolder);
if (viewHolder instanceof AllEpisodesRecycleAdapter.ItemTouchHelperViewHolder) {
AllEpisodesRecycleAdapter.ItemTouchHelperViewHolder itemViewHolder =
(AllEpisodesRecycleAdapter.ItemTouchHelperViewHolder) viewHolder;
itemViewHolder.onItemClear();
}
}
};
ItemTouchHelper itemTouchHelper = new ItemTouchHelper(simpleItemTouchCallback);
itemTouchHelper.attachToRecyclerView(recyclerView);
return root;
}
@NonNull
@Override
protected List<FeedItem> loadData() {
return DBReader.getNewItemsList();
}
}
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