TopicsFactory.java

package com.cusnews.ds;

import java.util.ArrayList;
import java.util.List;

import com.cusnews.R;
import com.cusnews.utils.Prefs;

/**
 * The topic-list can be subscribed as pushed by Google.
 *
 * @author Xinyue Zhao
 */
public final class TopicsFactory {
	/**
	 * Create the list of push-topics .
	 *
	 * @return {@link List} of {@link Topic}s.
	 */
	public static List<Topic> create() {
		String      lang = Prefs.getInstance().getLanguage();
		List<Topic> list = new ArrayList<>();
		list.add( new Topic( lang, "global", R.string.setting_push_news, Prefs.KEY_PUSH_NEWS ) );
		list.add( new Topic( lang, "football", R.string.setting_push_football, Prefs.KEY_PUSH_FOOTBALL ) );
		list.add( new Topic( lang, "IT", R.string.setting_push_internet, Prefs.KEY_PUSH_INTERNET ) );
		list.add( new Topic( lang, "Google", R.string.setting_push_google, Prefs.KEY_PUSH_GOOGLE ) );
		list.add( new Topic( lang, "Apple", R.string.setting_push_apple, Prefs.KEY_PUSH_APPLE ) );
		return list;
	}

	/**
	 * Clear all subscription.
	 */
	public static void clear() {
		Prefs prefs = Prefs.getInstance();
		prefs.setPushSelections( null );
		prefs.setPush( Prefs.KEY_PUSH_NEWS, false );
		prefs.setPush( Prefs.KEY_PUSH_FOOTBALL, false );
		prefs.setPush( Prefs.KEY_PUSH_INTERNET, false );
		prefs.setPush( Prefs.KEY_PUSH_GOOGLE, false );
		prefs.setPush( Prefs.KEY_PUSH_APPLE, false );
	}
}