优化目录显示

app/src/main/java/io/legado/app/help/BookHelp.kt

@@ -108,6 +108,9 @@ object BookHelp {
 
     fun getChapterFiles(book: Book): List<String> {
         val fileNameList = arrayListOf<String>()
+        if (book.isLocalBook()) {
+            return fileNameList
+        }
         FileUtils.createFolderIfNotExist(
             downloadDir,
             subDirs = arrayOf(cacheFolderName, book.getFolderName())

app/src/main/java/io/legado/app/ui/book/chapterlist/ChapterListAdapter.kt

@@ -22,7 +22,8 @@ class ChapterListAdapter(context: Context, val callback: Callback) :
     override fun convert(holder: ItemViewHolder, item: BookChapter, payloads: MutableList<Any>) {
         with(holder.itemView) {
             val isDur = callback.durChapterIndex() == item.index
-            val cached = cacheFileNames.contains(BookHelp.formatChapterName(item))
+            val cached = callback.isLocalBook
+                    || cacheFileNames.contains(BookHelp.formatChapterName(item))
             if (payloads.isEmpty()) {
                 if (isDur) {
                     tv_chapter_name.setTextColor(context.accentColor)
@@ -60,6 +61,7 @@ class ChapterListAdapter(context: Context, val callback: Callback) :
     }
 
     interface Callback {
+        val isLocalBook: Boolean
         fun openChapter(bookChapter: BookChapter)
         fun durChapterIndex(): Int
     }

app/src/main/java/io/legado/app/ui/book/chapterlist/ChapterListFragment.kt

@@ -129,6 +129,9 @@ class ChapterListFragment : VMBaseFragment<ChapterListViewModel>(R.layout.fragme
         }
     }
 
+    override val isLocalBook: Boolean
+        get() = viewModel.book?.isLocalBook() == true
+
     override fun durChapterIndex(): Int {
         return durChapterIndex
     }

app/src/main/res/layout/item_chapter_list.xml

@@ -29,8 +29,8 @@
 
     <ImageView
         android:id="@+id/iv_checked"
-        android:layout_width="wrap_content"
+        android:layout_width="16dp"
-        android:layout_height="wrap_content"
+        android:layout_height="16dp"
         android:src="@drawable/ic_check"
         android:visibility="invisible"
         android:contentDescription="@string/success"