code: public boolean isLoadingThisUrl(ImageLoadRequest request) {
          String url2 = ImageLoaderFactory.getNameGenerator().generateIdentityUrlFor(request);
          return getIdentityUrl().equals(url2);
      }
docs: Check the given {@link in.srain.cube.image.ImageLoadRequest} is loading.
  
  @param request
  @return Identify the given url, if same to {@link #mIdentityUrl} return true.