private synchronized void checkShufflePlay() {
final int listSize = 20;
boolean wasEmpty = downloadList.isEmpty();
long revisionBefore = revision;
// First, ensure that list is at least 20 songs long.
int size = size();
if (size < listSize) {
for (MusicDirectory.Entry song : shufflePlayBuffer.get(listSize - size)) {
DownloadFile downloadFile = new DownloadFile(this, song);
downloadList.add(downloadFile);
revision++;
}
}
int currIndex = currentPlaying == null ? 0 : getCurrentPlayingIndex();
// Only shift playlist if playing song #5 or later.
if (currIndex > 4) {
int songsToShift = currIndex - 2;
for (MusicDirectory.Entry song : shufflePlayBuffer.get(songsToShift)) {
downloadList.add(new DownloadFile(this, song));
downloadList.get(0).cancelDownload();
downloadList.remove(0);
revision++;
}
}
if (revisionBefore != revision) {
updateJukeboxPlaylist();
}
if (wasEmpty && !downloadList.isEmpty()) {
play(0);
}
}
@Override
public void onDestroy() {
super.onDestroy();
lifecycleSupport.onDestroy();
mediaPlayer.release();
shufflePlayBuffer.shutdown();
if (equalizerController != null) {
equalizerController.release();
}
if (visualizerController != null) {
visualizerController.release();
}
instance = null;
}