From e233acc3afc67be2a592fe05b3e99895a0f1b3d8 Mon Sep 17 00:00:00 2001
From: 821938089 <821938089@qq.com>
Date: Sun, 10 Jul 2022 08:35:23 +0800
Subject: [PATCH] fix block UI

---
 .../app/ui/book/read/ReadBookViewModel.kt     | 32 +++++++++++--------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
index f1e58f667..59cf27d53 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
@@ -33,6 +33,8 @@ import io.legado.app.utils.postEvent
 import io.legado.app.utils.toStringArray
 import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 /**
  * 阅读界面数据处理
@@ -145,20 +147,24 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
             }
         } else {
             ReadBook.bookSource?.let {
-                val preUpdateJs = it.ruleToc?.preUpdateJs
-                if (!preUpdateJs.isNullOrBlank()) {
-                    AnalyzeRule(book, it).evalJS(preUpdateJs)
-                }
-                WebBook.getChapterList(viewModelScope, it, book)
-                    .onSuccess(IO) { cList ->
-                        appDb.bookChapterDao.insert(*cList.toTypedArray())
-                        appDb.bookDao.update(book)
-                        ReadBook.chapterSize = cList.size
-                        ReadBook.upMsg(null)
-                        ReadBook.loadContent(resetPageOffset = true)
-                    }.onError {
-                        ReadBook.upMsg(context.getString(R.string.error_load_toc))
+                viewModelScope.launch {
+                    withContext(IO) {
+                        val preUpdateJs = it.ruleToc?.preUpdateJs
+                        if (!preUpdateJs.isNullOrBlank()) {
+                            AnalyzeRule(book, it).evalJS(preUpdateJs)
+                        }
                     }
+                    WebBook.getChapterList(viewModelScope, it, book)
+                        .onSuccess(IO) { cList ->
+                            appDb.bookChapterDao.insert(*cList.toTypedArray())
+                            appDb.bookDao.update(book)
+                            ReadBook.chapterSize = cList.size
+                            ReadBook.upMsg(null)
+                            ReadBook.loadContent(resetPageOffset = true)
+                        }.onError {
+                            ReadBook.upMsg(context.getString(R.string.error_load_toc))
+                        }
+                }
             }
         }
     }