优化

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

@@ -6,8 +6,33 @@ import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.ReplaceRule
 import io.legado.app.utils.toastOnUi
 import splitties.init.appCtx
+import java.lang.ref.WeakReference
 
-class ContentProcessor(private val bookName: String, private val bookOrigin: String) {
+class ContentProcessor private constructor(
+    private val bookName: String,
+    private val bookOrigin: String
+) {
+
+    companion object {
+        private val processors = hashMapOf<String, WeakReference<ContentProcessor>>()
+
+        fun get(bookName: String, bookOrigin: String): ContentProcessor {
+            val processorWr = processors[bookName + bookOrigin]
+            var processor: ContentProcessor? = processorWr?.get()
+            if (processor == null) {
+                processor = ContentProcessor(bookName, bookOrigin)
+                processors[bookName + bookOrigin] = WeakReference(processor)
+            }
+            return processor
+        }
+
+        fun upReplaceRules() {
+            processors.forEach {
+                it.value.get()?.upReplaceRules()
+            }
+        }
+
+    }
 
     private var replaceRules = arrayListOf<ReplaceRule>()
 

app/src/main/java/io/legado/app/service/help/ReadBook.kt

@@ -46,7 +46,7 @@ object ReadBook {
 
     fun resetData(book: Book) {
         this.book = book
-        contentProcessor = ContentProcessor(book.name, book.origin)
+        contentProcessor = ContentProcessor.get(book.name, book.origin)
         readRecord.bookName = book.name
         readRecord.readTime = appDb.readRecordDao.getReadTime(book.name) ?: 0
         durChapterIndex = book.durChapterIndex

app/src/main/java/io/legado/app/ui/association/ImportBookSourceViewModel.kt

@@ -8,6 +8,7 @@ import io.legado.app.base.BaseViewModel
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.BookSource
 import io.legado.app.help.AppConfig
+import io.legado.app.help.ContentProcessor
 import io.legado.app.help.SourceHelp
 import io.legado.app.help.http.newCall
 import io.legado.app.help.http.okHttpClient
@@ -67,6 +68,7 @@ class ImportBookSourceViewModel(app: Application) : BaseViewModel(app) {
                 }
             }
             SourceHelp.insertBookSource(*selectSource.toTypedArray())
+            ContentProcessor.upReplaceRules()
         }.onFinally {
             finally.invoke()
         }

app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt

@@ -122,7 +122,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
 
     private fun getAllContents(book: Book, append: (text: String) -> Unit) {
         val useReplace = AppConfig.exportUseReplace
-        val contentProcessor = ContentProcessor(book.name, book.origin)
+        val contentProcessor = ContentProcessor.get(book.name, book.origin)
         append(
             "${book.name}\n${
                 context.getString(
@@ -386,7 +386,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
     private fun setEpubContent(contentModel: String, book: Book, epubBook: EpubBook) {
         //正文
         val useReplace = AppConfig.exportUseReplace
-        val contentProcessor = ContentProcessor(book.name, book.origin)
+        val contentProcessor = ContentProcessor.get(book.name, book.origin)
         appDb.bookChapterDao.getChapterList(book.bookUrl).forEachIndexed { index, chapter ->
             BookHelp.getContent(book, chapter).let { content ->
                 var content1 = fixPic(epubBook, book, content ?: "null", chapter)

app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentViewModel.kt

@@ -18,7 +18,7 @@ class SearchContentViewModel(application: Application) : BaseViewModel(applicati
         execute {
             book = appDb.bookDao.getBook(bookUrl)
             book?.let {
-                contentProcessor = ContentProcessor(it.name, it.origin)
+                contentProcessor = ContentProcessor.get(it.name, it.origin)
             }
         }.onSuccess {
             success.invoke()

app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt

@@ -21,12 +21,12 @@ import io.legado.app.data.appDb
 import io.legado.app.data.entities.ReplaceRule
 import io.legado.app.databinding.ActivityReplaceRuleBinding
 import io.legado.app.databinding.DialogEditTextBinding
+import io.legado.app.help.ContentProcessor
 import io.legado.app.help.IntentDataHelp
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.primaryTextColor
-import io.legado.app.service.help.ReadBook
 import io.legado.app.ui.association.ImportReplaceRuleActivity
 import io.legado.app.ui.document.FilePicker
 import io.legado.app.ui.document.FilePickerParam
@@ -294,7 +294,7 @@ class ReplaceRuleActivity : VMBaseActivity<ActivityReplaceRuleBinding, ReplaceRu
 
     override fun onDestroy() {
         super.onDestroy()
-        Coroutine.async { ReadBook.contentProcessor?.upReplaceRules() }
+        Coroutine.async { ContentProcessor.upReplaceRules() }
     }
 
     override fun upCountView() {