Load chapters in the dialog instantly

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt

@@ -35,7 +35,6 @@ import eu.kanade.tachiyomi.util.isLocal
 import eu.kanade.tachiyomi.util.lang.byteSize
 import eu.kanade.tachiyomi.util.lang.launchIO
 import eu.kanade.tachiyomi.util.lang.takeBytes
-import eu.kanade.tachiyomi.util.lang.withIOContext
 import eu.kanade.tachiyomi.util.storage.DiskUtil
 import eu.kanade.tachiyomi.util.system.ImageUtil
 import eu.kanade.tachiyomi.util.updateCoverLastModified
@@ -307,8 +306,7 @@ class ReaderPresenter(
     }
 
     // SY -->
-    suspend fun getChapters(context: Context): List<ReaderChapterItem> {
+    fun getChapters(context: Context): List<ReaderChapterItem> {
-        return withIOContext {
         val currentChapter = getCurrentChapter()
         val decimalFormat = DecimalFormat(
             "#.###",
@@ -316,7 +314,7 @@ class ReaderPresenter(
                 .apply { decimalSeparator = '.' }
         )
 
-            chapterList.map {
+        return chapterList.map {
             ReaderChapterItem(
                 it.chapter,
                 manga!!,
@@ -327,7 +325,6 @@ class ReaderPresenter(
             )
         }
     }
-    }
     // SY <--
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/chapter/ReaderChapterDialog.kt

@@ -11,7 +11,6 @@ import eu.kanade.tachiyomi.databinding.ReaderChaptersDialogBinding
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
 import eu.kanade.tachiyomi.ui.reader.ReaderPresenter
 import eu.kanade.tachiyomi.util.chapter.getChapterSort
-import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.system.dpToPx
 
 class ReaderChapterDialog(private val activity: ReaderActivity) : ReaderChapterAdapter.OnBookmarkClickListener {
@@ -26,6 +25,7 @@ class ReaderChapterDialog(private val activity: ReaderActivity) : ReaderChapterA
             .title(R.string.chapters)
             .customView(view = binding.root)
             .negativeButton(android.R.string.cancel)
+            .onDismiss { destroy() }
             .show {
                 adapter = ReaderChapterAdapter(this@ReaderChapterDialog)
                 binding.chapterRecycler.adapter = adapter
@@ -40,15 +40,11 @@ class ReaderChapterDialog(private val activity: ReaderActivity) : ReaderChapterA
                 }
 
                 binding.chapterRecycler.layoutManager = LinearLayoutManager(context)
-                onDismiss {
-                    destroy()
-                }
                 refreshList()
             }
     }
 
     private fun refreshList() {
-        launchUI {
         val chapters = presenter.getChapters(activity)
             .sortedWith(getChapterSort(presenter.manga!!))
 
@@ -60,7 +56,6 @@ class ReaderChapterDialog(private val activity: ReaderActivity) : ReaderChapterA
             (binding.chapterRecycler.height / 2).dpToPx
         )
     }
-    }
 
     fun destroy() {
         adapter = null