feat: 优化代码

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

@@ -247,7 +247,6 @@ object BookHelp {
         content: String,
         enableReplace: Boolean
     ): String {
-        var c = content
         synchronized(this) {
             if (enableReplace && (bookName != name || bookOrigin != origin)) {
                 replaceRules = if (origin.isNullOrEmpty()) {
@@ -257,6 +256,7 @@ object BookHelp {
                 }
             }
         }
+        var c = content
         for (item in replaceRules) {
             item.pattern.let {
                 if (it.isNotEmpty()) {
@@ -268,9 +268,7 @@ object BookHelp {
                 }
             }
         }
-        if (!content.substringBefore("\n").contains(title)) {
-            c = title + "\n" + c
-        }
+        c = "$title\n$c"
         when (AppConfig.chineseConverterType) {
             1 -> c = ZhConvertBootstrap.newInstance().toSimple(c)
             2 -> c = ZhConvertBootstrap.newInstance().toTraditional(c)

app/src/main/java/io/legado/app/model/webBook/BookContent.kt

@@ -37,7 +37,7 @@ object BookContent {
         val nextUrlList = arrayListOf(baseUrl)
         val contentRule = bookSource.getContentRule()
         var contentData = analyzeContent(body, contentRule, book, bookChapter, bookSource, baseUrl)
-        content.append(contentData.content)
+        content.append(contentData.content.replace(bookChapter.title, ""))
         if (contentData.nextUrl.size == 1) {
             var nextUrl = contentData.nextUrl[0]
             val nextChapterUrl = if (!nextChapterUrlF.isNullOrEmpty())

app/src/main/java/io/legado/app/ui/book/read/page/ChapterProvider.kt

@@ -111,6 +111,7 @@ object ChapterProvider {
                 durY = joinBody(text, durY, textPages, pageLines, pageLengths, stringBuilder)
             }
         }
+        textPages.last().text = stringBuilder.toString()
         if (pageLines.size < textPages.size) {
             pageLines.add(textPages.last().textLines.size)
         }

app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt

@@ -16,7 +16,6 @@ import io.legado.app.utils.getPrefBoolean
 
 
 class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, attrs) {
-    private val maxScrollOffset = 100f
     private val selectedPaint by lazy {
         Paint().apply {
             color = context.getCompatColor(R.color.btn_bg_press_2)
@@ -30,6 +29,10 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     private var selectLineEnd = 0
     private var selectCharEnd = 0
     private var textPage: TextPage? = null
+    //滚动参数
+    private val maxScrollOffset = 100f
+    private val pageOffset = 0f
+    private val isLastPage = false
 
     init {
         activityCallBack = activity as CallBack