code: public void setComponentName(Context context, Class<? extends MuzeiArtSource> source) {
          mComponentName = new ComponentName(context, source);
      }
docs: Sets the {@link ComponentName} of the {@link MuzeiArtSource} providing this artwork.
  This will automatically be set for you by Muzei.
  
  @param context context to use to construct the {@link ComponentName}.
  @param source the {@link MuzeiArtSource} providing this artwork.