@Override
protected Integer doInBackground(SongItem... list) { // on an independent thread
if (list == null || list.length <= 0) {
Log.w(TAG, "items null");
}
int total = list.length;
int count = 0;
int downloaded = 0;
for (SongItem item : list) {
if (isCancelled()) {
Log.i(TAG, "download task is canceled, " + (total - count) + " items left");
break;
}
count++;
ArrayList<QueryResult> lrcs = TTDownloader.query(item.getArtist(), item.getTitle());
if (lrcs != null && lrcs.size() > 0) {
boolean result =
TTDownloader.download(lrcs, item.getLrcPath(), TTDownloader.DOWNLLOAD_SHORTEST_NAME);
downloaded = result ? downloaded + 1 : downloaded;
}
publishProgress(100 * count / total);
}
Log.d(TAG, "downloaded " + downloaded + " of " + total + " items");
return downloaded;
}
// Query for Songs
private ArrayList<SongItem> queryForSongs(
Uri uri, String[] projection, String selection, String[] args, String sortOrder) {
Cursor cur = mCR.query(uri, projection, selection, args, sortOrder);
if (cur == null) {
return null;
}
if (!cur.moveToFirst()) {
return null;
}
ArrayList<SongItem> list = new ArrayList<SongItem>();
int idColumn = cur.getColumnIndex(MediaStore.Audio.Media._ID);
int titleColumn = cur.getColumnIndex(MediaStore.Audio.Media.TITLE);
int artistColumn = cur.getColumnIndex(MediaStore.Audio.Media.ARTIST);
int artistIDColumn = cur.getColumnIndex(MediaStore.Audio.Media.ARTIST_ID);
int albumColumn = cur.getColumnIndex(MediaStore.Audio.Media.ALBUM);
int albumIDColumn = cur.getColumnIndex(MediaStore.Audio.Media.ALBUM_ID);
int durationColumn = cur.getColumnIndex(MediaStore.Audio.Media.DURATION);
int dataColumn = cur.getColumnIndex(MediaStore.Audio.Media.DATA);
do {
SongItem si = new SongItem();
si.id = cur.getLong(idColumn);
si.title = cur.getString(titleColumn);
si.artist = cur.getString(artistColumn);
si.artistID = cur.getLong(artistIDColumn);
si.album = cur.getString(albumColumn);
si.albumID = cur.getLong(albumIDColumn);
si.duration = cur.getLong(durationColumn);
si.dataStream = cur.getString(dataColumn);
list.add(si);
} while (cur.moveToNext());
return list;
}
