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package com.cyanogenmod.eleven.utils;
import android.content.Context;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.View;
import android.widget.TextView;
public class GenreFetcher implements LoaderCallbacks<Cursor> {
private static final String[] GENRE_PROJECTION = new String[] { MediaStore.Audio.Genres.NAME };
private Context mContext;
private int mSongId;
private TextView mTextView;
public static void fetch(FragmentActivity activity, int songId, TextView textView) {
LoaderManager lm = activity.getSupportLoaderManager();
lm.initLoader(0, null, new GenreFetcher(activity, songId, textView));
}
private GenreFetcher(Context context, int songId, TextView textView) {
mContext = context;
mSongId = songId;
mTextView = textView;
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
return new CursorLoader(mContext,
MediaStore.Audio.Genres.getContentUriForAudioId("external", mSongId),
GENRE_PROJECTION, null, null, null);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
if(mTextView != null && cursor.moveToFirst()) {
String genre = cursor.getString(0);
if(!MusicUtils.isBlank(genre)) {
mTextView.setText(genre);
mTextView.setVisibility(View.VISIBLE);
return;
}
}
// no displayable genre found
mTextView.setVisibility(View.GONE);
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {}
}
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