/*
* Copyright (C) 2012 Andrew Neal Licensed under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
* or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package com.andrew.apollo.loaders;
import android.content.Context;
import android.database.Cursor;
import com.andrew.apollo.model.Song;
import com.andrew.apollo.utils.Lists;
import java.util.ArrayList;
import java.util.List;
/**
* Used to return the current playlist or queue.
*
* @author Andrew Neal (andrewdneal@gmail.com)
*/
public class QueueLoader extends WrappedAsyncTaskLoader<List<Song>> {
/**
* The result
*/
private final ArrayList<Song> mSongList = Lists.newArrayList();
/**
* The {@link Cursor} used to run the query.
*/
private NowPlayingCursor mCursor;
/**
* Constructor of <code>QueueLoader</code>
*
* @param context The {@link Context} to use
*/
public QueueLoader(final Context context) {
super(context);
}
/**
* {@inheritDoc}
*/
@Override
public List<Song> loadInBackground() {
// Create the Cursor
mCursor = new NowPlayingCursor(getContext());
// Gather the data
if (mCursor != null && mCursor.moveToFirst()) {
do {
// Copy the song Id
final long id = mCursor.getLong(0);
// Copy the song name
final String songName = mCursor.getString(1);
// Copy the artist name
final String artist = mCursor.getString(2);
// Copy the album name
final String album = mCursor.getString(3);
// Create a new song
final Song song = new Song(id, songName, artist, album, -1);
// Add everything up
mSongList.add(song);
} while (mCursor.moveToNext());
}
// Close the cursor
if (mCursor != null) {
mCursor.close();
mCursor = null;
}
return mSongList;
}
/**
* Creates the {@link Cursor} used to run the query.
*
* @param context The {@link Context} to use.
* @return The {@link Cursor} used to run the song query.
*/
public static final Cursor makeQueueCursor(final Context context) {
final Cursor cursor = new NowPlayingCursor(context);
return cursor;
}
}