content: package allen.town.podcast.core.glide;
  
  import android.annotation.SuppressLint;
  import android.content.Context;
  import android.graphics.Bitmap;
  import android.util.Log;
  
  import androidx.annotation.NonNull;
  import com.bumptech.glide.Glide;
  import com.bumptech.glide.GlideBuilder;
  import com.bumptech.glide.Registry;
  import com.bumptech.glide.annotation.GlideModule;
  import com.bumptech.glide.load.DecodeFormat;
  import com.bumptech.glide.load.engine.DiskCacheStrategy;
  import com.bumptech.glide.load.engine.cache.InternalCacheDiskCacheFactory;
  import com.bumptech.glide.module.AppGlideModule;
  
  import allen.town.podcast.core.glide.palette.BitmapPaletteTranscoder;
  import allen.town.podcast.core.glide.palette.BitmapPaletteWrapper;
  import allen.town.podcast.model.feed.EmbeddedChapterImage;
  import java.io.InputStream;
  
  import com.bumptech.glide.request.RequestOptions;
  import java.nio.ByteBuffer;
  
  /**
   * {@see com.bumptech.glide.integration.okhttp.OkHttpGlideModule}
   */
  @GlideModule
  public class ApGlideModule extends AppGlideModule {
      private static final String TAG = "ApGlideModule";
      private static final long MEGABYTES = 1024 * 1024;
      private static final long GIGABYTES = 1024 * 1024 * 1024;
  
      @Override
      public void applyOptions(@NonNull Context context, @NonNull GlideBuilder builder) {
          builder.setDefaultRequestOptions(
                  new RequestOptions()
                          .format(DecodeFormat.PREFER_ARGB_8888)
                          .diskCacheStrategy(DiskCacheStrategy.ALL));
          @SuppressLint("UsableSpace")
          long spaceAvailable = context.getCacheDir().getUsableSpace();
          long imageCacheSize = (spaceAvailable > 2 * GIGABYTES) ? (250 * MEGABYTES) : (50 * MEGABYTES);
          Log.d(TAG, "free space : " + spaceAvailable + " used image cache size: " + imageCacheSize);
          builder.setDiskCache(new InternalCacheDiskCacheFactory(context, imageCacheSize));
      }
  
      @Override
      public void registerComponents(@NonNull Context context, @NonNull Glide glide, @NonNull Registry registry) {
          registry.replace(String.class, InputStream.class, new MetadataRetrieverLoader.Factory(context));
          registry.append(String.class, InputStream.class, new GenerativePlaceholderImageModelLoader.Factory());
          registry.append(String.class, InputStream.class, new OkHttpUrlLoader.Factory());
          registry.append(String.class, InputStream.class, new NoHttpStringLoader.StreamFactory());
  
          registry.append(EmbeddedChapterImage.class, ByteBuffer.class, new ChapterImageModelLoader.Factory());
          registry.register(Bitmap.class, PaletteBitmap.class, new PaletteBitmapTranscoder());
          registry.register(
                  Bitmap.class,
                  BitmapPaletteWrapper.class, new BitmapPaletteTranscoder()
          );
      }
  }
  