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package app.fedilab.android.mastodon.helper;
/* Copyright 2022 Thomas Schneider
*
* This file is a part of Fedilab
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
import android.content.Context;
import android.content.SharedPreferences;
import androidx.annotation.NonNull;
import androidx.media3.database.ExoDatabaseProvider;
import androidx.media3.datasource.DataSource;
import androidx.media3.datasource.DefaultDataSourceFactory;
import androidx.media3.datasource.DefaultHttpDataSource;
import androidx.media3.datasource.FileDataSource;
import androidx.media3.datasource.cache.CacheDataSink;
import androidx.media3.datasource.cache.CacheDataSource;
import androidx.media3.datasource.cache.LeastRecentlyUsedCacheEvictor;
import androidx.media3.datasource.cache.SimpleCache;
import androidx.media3.exoplayer.upstream.DefaultBandwidthMeter;
import androidx.preference.PreferenceManager;
import java.io.File;
import app.fedilab.android.R;
@androidx.annotation.OptIn(markerClass = androidx.media3.common.util.UnstableApi.class)
public class CacheDataSourceFactory implements DataSource.Factory {
private static SimpleCache sDownloadCache;
private final Context context;
private final DefaultDataSourceFactory defaultDatasourceFactory;
public CacheDataSourceFactory(Context context) {
super();
this.context = context;
DefaultBandwidthMeter.Builder bandwidthMeterBuilder = new DefaultBandwidthMeter.Builder(context);
DefaultBandwidthMeter bandwidthMeter = bandwidthMeterBuilder.build();
DefaultHttpDataSource.Factory defaultHttpDataSource = new DefaultHttpDataSource.Factory();
defaultDatasourceFactory = new DefaultDataSourceFactory(this.context,
bandwidthMeter,
defaultHttpDataSource);
}
public static synchronized SimpleCache getInstance(Context context) {
SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(context);
int video_cache = sharedpreferences.getInt(context.getString(R.string.SET_VIDEO_CACHE), Helper.DEFAULT_VIDEO_CACHE_MB);
LeastRecentlyUsedCacheEvictor evictor = new LeastRecentlyUsedCacheEvictor(((long) video_cache * 1024 * 1024));
ExoDatabaseProvider exoDatabaseProvider = new ExoDatabaseProvider(context);
if (sDownloadCache == null)
sDownloadCache = new SimpleCache(new File(context.getCacheDir(), "media"), evictor, exoDatabaseProvider);
return sDownloadCache;
}
@NonNull
@Override
public DataSource createDataSource() {
SimpleCache simpleCache = getInstance(context);
SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(context);
int video_cache = sharedpreferences.getInt(context.getString(R.string.SET_VIDEO_CACHE), Helper.DEFAULT_VIDEO_CACHE_MB);
return new CacheDataSource(simpleCache, defaultDatasourceFactory.createDataSource(),
new FileDataSource(), new CacheDataSink(simpleCache, ((long) video_cache * 1024 * 1024)),
CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR, null);
}
}
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