Hide app/nav bars on scroll

app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadController.kt

@@ -13,6 +13,7 @@ import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.databinding.DownloadControllerBinding
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
+import eu.kanade.tachiyomi.ui.main.offsetFabAppbarHeight
 import java.util.HashMap
 import java.util.concurrent.TimeUnit
 import kotlinx.coroutines.flow.launchIn
@@ -92,6 +93,8 @@ class DownloadController :
             }
             .launchIn(scope)
 
+        binding.fab.offsetFabAppbarHeight(activity!!)
+
         // Subscribe to changes
         DownloadService.runningRelay
             .observeOn(AndroidSchedulers.mainThread())