Fix download status updates not appearing in chapters list (fixes #3358)

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadService.kt

@@ -176,14 +176,14 @@ class DownloadService : Service() {
     /**
      * Releases the wake lock if it's held.
      */
-    fun PowerManager.WakeLock.releaseIfNeeded() {
+    private fun PowerManager.WakeLock.releaseIfNeeded() {
         if (isHeld) release()
     }
 
     /**
      * Acquires the wake lock if it's not held.
      */
-    fun PowerManager.WakeLock.acquireIfNeeded() {
+    private fun PowerManager.WakeLock.acquireIfNeeded() {
         if (!isHeld) acquire()
     }
 

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -231,8 +231,6 @@ class Downloader(
         val wasEmpty = queue.isEmpty()
         // Called in background thread, the operation can be slow with SAF.
         val chaptersWithoutDir = async {
-            val mangaDir = provider.findMangaDir(manga, source)
-
             chapters
                 // Filter out those already downloaded.
                 .filter { provider.findChapterDir(it, manga, source) == null }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt

@@ -49,7 +49,6 @@ import eu.kanade.tachiyomi.ui.library.LibraryController
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.main.offsetAppbarHeight
 import eu.kanade.tachiyomi.ui.manga.chapter.ChapterDividerItemDecoration
-import eu.kanade.tachiyomi.ui.manga.chapter.ChapterHolder
 import eu.kanade.tachiyomi.ui.manga.chapter.ChapterItem
 import eu.kanade.tachiyomi.ui.manga.chapter.ChaptersAdapter
 import eu.kanade.tachiyomi.ui.manga.chapter.ChaptersSettingsSheet
@@ -685,11 +684,10 @@ class MangaController :
     }
 
     fun onChapterStatusChange(download: Download) {
-        getHolder(download.chapter)?.notifyStatus(download.status)
-    }
-
-    private fun getHolder(chapter: Chapter): ChapterHolder? {
-        return binding.recycler.findViewHolderForItemId(chapter.id!!) as? ChapterHolder
+        chaptersAdapter?.currentItems?.find { it.id == download.chapter.id }?.let {
+            chaptersAdapter?.updateItem(it)
+            chaptersAdapter?.notifyDataSetChanged()
+        }
     }
 
     fun openChapter(chapter: Chapter, hasAnimation: Boolean = false) {