Use runblocking when returning from reader to details

Used so the chapter items and start reading are correct for the transition

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

@@ -110,6 +110,7 @@ import eu.kanade.tachiyomi.util.view.snack
 import eu.kanade.tachiyomi.util.view.toolbarHeight
 import eu.kanade.tachiyomi.util.view.withFadeTransaction
 import eu.kanade.tachiyomi.widget.LinearLayoutManagerAccurateOffset
+import kotlinx.coroutines.runBlocking
 import timber.log.Timber
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
@@ -193,6 +194,7 @@ class MangaDetailsController :
 
     private var headerHeight = 0
     private var fullCoverActive = false
+    var returningFromReader = false
 
     override fun getTitle(): String? {
         return manga?.title
@@ -571,6 +573,18 @@ class MangaDetailsController :
         }
     }
 
+    override fun onAttach(view: View) {
+        super.onAttach(view)
+        if (!returningFromReader) return
+        returningFromReader = false
+        runBlocking {
+            val chapters = presenter.getChaptersNow()
+            tabletAdapter?.notifyItemChanged(0)
+            adapter?.setChapters(chapters)
+            addMangaHeader()
+        }
+    }
+
     override fun onChangeStarted(handler: ControllerChangeHandler, type: ControllerChangeType) {
         super.onChangeStarted(handler, type)
         if (type.isEnter) {
@@ -930,7 +944,6 @@ class MangaDetailsController :
     }
 
     private fun openChapter(chapter: Chapter, sharedElement: View? = null) {
-        MainActivity.chapterIdToExitTo = 0L
         (activity as? AppCompatActivity)?.apply {
             if (sharedElement != null) {
                 val (intent, bundle) = ReaderActivity
@@ -942,6 +955,7 @@ class MangaDetailsController :
                         (adapter?.getItem(it) as? ChapterItem)?.chapter?.id
                     }.toLongArray()
                 } else longArrayOf()
+                returningFromReader = true
                 intent.putExtra(ReaderActivity.VISIBLE_CHAPTERS, chapterRange)
                 startActivity(intent, bundle)
             } else {

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

@@ -151,6 +151,11 @@ class MangaDetailsPresenter(
         }
     }
 
+    suspend fun getChaptersNow(): List<ChapterItem> {
+        getChapters()
+        return chapters
+    }
+
     private suspend fun getChapters() {
         val chapters = db.getChapters(manga).executeOnIO().map { it.toModel() }
 

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

@@ -210,6 +210,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
         const val VISIBLE_CHAPTERS = "${BuildConfig.APPLICATION_ID}.VISIBLE_CHAPTERS"
 
         fun newIntent(context: Context, manga: Manga, chapter: Chapter): Intent {
+            MainActivity.chapterIdToExitTo = 0L
             val intent = Intent(context, ReaderActivity::class.java)
             intent.putExtra("manga", manga.id)
             intent.putExtra("chapter", chapter.id)
@@ -218,6 +219,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
         }
 
         fun newIntentWithTransitionOptions(activity: Activity, manga: Manga, chapter: Chapter, sharedElement: View): Pair<Intent, Bundle?> {
+            MainActivity.chapterIdToExitTo = 0L
             val intent = newIntent(activity, manga, chapter)
             intent.putExtra(TRANSITION_NAME, sharedElement.transitionName)
             val activityOptions = ActivityOptionsCompat.makeSceneTransitionAnimation(