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package github.daneren2005.dsub.service;
import android.content.Context;
import android.util.Log;
import github.daneren2005.dsub.domain.PodcastEpisode;
import github.daneren2005.dsub.util.SilentBackgroundTask;
import github.daneren2005.dsub.util.Util;
/**
* Scrobbles played songs to Last.fm.
*
* @author Sindre Mehus
* @version $Id$
*/
public class Scrobbler {
private static final String TAG = Scrobbler.class.getSimpleName();
private static final int FOUR_MINUTES = 4 * 60 * 1000;
private String lastSubmission;
private String lastNowPlaying;
public void conditionalScrobble(Context context, DownloadFile song, int playerPosition, int duration) {
// More than 4 minutes
if(playerPosition > FOUR_MINUTES) {
scrobble(context, song, true);
}
// More than 50% played
else if(duration > 0 && playerPosition > (duration / 2)) {
scrobble(context, song, true);
}
}
public void scrobble(final Context context, final DownloadFile song, final boolean submission) {
if (song == null || !Util.isScrobblingEnabled(context)) {
return;
}
// Ignore if online with no network access
if(!Util.isOffline(context) && !Util.isNetworkConnected(context)) {
return;
}
// Ignore podcasts
if(song.getSong() instanceof PodcastEpisode) {
return;
}
// Ignore songs which are under 30 seconds per Last.FM guidelines
if(song.getDuration() != null && song.getDuration() > 0 && song.getDuration < 30) {
return;
}
final String id = song.getSong().getId();
// Avoid duplicate registrations.
if (submission && id.equals(lastSubmission)) {
return;
}
if (!submission && id.equals(lastNowPlaying)) {
return;
}
if (submission) {
lastSubmission = id;
} else {
lastNowPlaying = id;
}
new SilentBackgroundTask<Void>(context) {
@Override
protected Void doInBackground() {
MusicService service = MusicServiceFactory.getMusicService(context);
try {
service.scrobble(id, submission, context, null);
Log.i(TAG, "Scrobbled '" + (submission ? "submission" : "now playing") + "' for " + song);
} catch (Exception x) {
Log.i(TAG, "Failed to scrobble'" + (submission ? "submission" : "now playing") + "' for " + song, x);
}
return null;
}
}.execute();
}
}
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