fedilab-Android-App/app/src/main/java/app/fedilab/android/helper/CacheDataSourceFactory.java

48 lines
2.5 KiB
Java

package app.fedilab.android.helper;
import android.content.Context;
import android.content.SharedPreferences;
import com.google.android.exoplayer2.database.ExoDatabaseProvider;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
import com.google.android.exoplayer2.upstream.FileDataSource;
import com.google.android.exoplayer2.upstream.cache.CacheDataSink;
import com.google.android.exoplayer2.upstream.cache.CacheDataSource;
import com.google.android.exoplayer2.upstream.cache.LeastRecentlyUsedCacheEvictor;
import com.google.android.exoplayer2.upstream.cache.SimpleCache;
import java.io.File;
public class CacheDataSourceFactory implements DataSource.Factory {
private final Context context;
private final DefaultDataSourceFactory defaultDatasourceFactory;
private final long maxFileSize, maxCacheSize;
public CacheDataSourceFactory(Context context, long maxCacheSize, long maxFileSize) {
super();
this.context = context;
this.maxCacheSize = maxCacheSize;
this.maxFileSize = maxFileSize;
SharedPreferences sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
String userAgent = sharedpreferences.getString(Helper.SET_CUSTOM_USER_AGENT, Helper.USER_AGENT);
DefaultBandwidthMeter.Builder bandwidthMeterBuilder = new DefaultBandwidthMeter.Builder(context);
DefaultBandwidthMeter bandwidthMeter = bandwidthMeterBuilder.build();
defaultDatasourceFactory = new DefaultDataSourceFactory(this.context,
bandwidthMeter,
new DefaultHttpDataSourceFactory(userAgent, bandwidthMeter));
}
@Override
public DataSource createDataSource() {
LeastRecentlyUsedCacheEvictor evictor = new LeastRecentlyUsedCacheEvictor(maxCacheSize);
ExoDatabaseProvider exoDatabaseProvider = new ExoDatabaseProvider(context);
SimpleCache simpleCache = new SimpleCache(new File(context.getCacheDir(), "media"), evictor, exoDatabaseProvider);
return new CacheDataSource(simpleCache, defaultDatasourceFactory.createDataSource(),
new FileDataSource(), new CacheDataSink(simpleCache, maxFileSize),
CacheDataSource.FLAG_BLOCK_ON_CACHE | CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR, null);
}
}