transdroid/app/src/main/java/org/transdroid/core/gui/rss/RssfeedsAdapter.java

/*
 * Copyright 2010-2018 Eric Kok et al.
 *
 * Transdroid is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Transdroid is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Transdroid.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.transdroid.core.gui.rss;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

import org.androidannotations.annotations.EBean;
import org.androidannotations.annotations.RootContext;
import org.transdroid.core.app.settings.RssfeedSetting;

import java.util.List;

/**
 * Adapter that contains a list of {@link RssfeedSetting}s, each with associated loaded RSS feed {@link org.transdroid.core.rssparser.Channel}.
 *
 * @author Eric Kok
 */
@EBean
public class RssfeedsAdapter extends BaseAdapter {

    private List<RssfeedLoader> loaders = null;

    @RootContext
    protected Context context;

    /**
     * Allows updating the full internal list of feed loaders at once, replacing the old list
     *
     * @param loaders The new list of RSS feed loader objects, which pair settings and a loaded channel
     */
    public void update(List<RssfeedLoader> loaders) {
        this.loaders = loaders;
        notifyDataSetChanged();
    }

    @Override
    public boolean hasStableIds() {
        return true;
    }

    @Override
    public int getCount() {
        if (loaders == null) {
            return 0;
        }
        return loaders.size();
    }

    @Override
    public RssfeedLoader getItem(int position) {
        if (loaders == null) {
            return null;
        }
        return loaders.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        RssfeedView rssfeedView;
        if (convertView == null) {
            rssfeedView = RssfeedView_.build(context);
        } else {
            rssfeedView = (RssfeedView) convertView;
        }
        rssfeedView.bind(getItem(position));
        return rssfeedView;
    }

}