优化

app/src/main/java/io/legado/app/constant/EventBus.kt

@@ -30,4 +30,5 @@ object EventBus {
     const val SEARCH_RESULT = "searchResult"
     const val FILE_SOURCE_DOWNLOAD_DONE = "fileSourceDownloadDone"
     const val updateReadActionBar = "updateReadActionBar"
+    const val UP_SEEK_BAR = "upSeekBar"
 }

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -114,6 +114,7 @@ object PreferKey {
     const val asyncLoadImage = "asyncLoadImage"
     const val ignoreAudioFocus = "ignoreAudioFocus"
     const val parallelExportBook = "parallelExportBook"
+    const val progressBarBehavior = "progressBarBehavior"
 
     const val cPrimary = "colorPrimary"
     const val cAccent = "colorAccent"

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

@@ -136,6 +136,7 @@ class ContentProcessor private constructor(
 
     suspend fun replaceContent(content: String): String {
         var mContent = content
+        mContent = mContent.lines().joinToString("\n") { it.trim() }
         getContentReplaceRules().forEach { item ->
             if (item.pattern.isNotEmpty()) {
                 try {

app/src/main/java/io/legado/app/help/config/AppConfig.kt

@@ -339,6 +339,9 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
     val doublePageHorizontal: String?
         get() = appCtx.getPrefString(PreferKey.doublePageHorizontal)
 
+    val progressBarBehavior: String?
+        get() = appCtx.getPrefString(PreferKey.progressBarBehavior, "page")
+
     var searchGroup: String
         get() = appCtx.getPrefString("searchGroup") ?: ""
         set(value) {

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

@@ -757,7 +757,7 @@ class ReadBookActivity : BaseReadBookActivity(),
         launch {
             autoPageProgress = 0
             binding.readView.upContent(relativePosition, resetPageOffset)
-            binding.readMenu.setSeekPage(ReadBook.durPageIndex)
+            upSeekBarProgress()
             loadStates = false
             success?.invoke()
         }
@@ -775,11 +775,22 @@ class ReadBookActivity : BaseReadBookActivity(),
     override fun pageChanged() {
         launch {
             autoPageProgress = 0
-            binding.readMenu.setSeekPage(ReadBook.durPageIndex)
+            upSeekBarProgress()
             startBackupJob()
         }
     }
 
+    /**
+     * 更新进度条位置
+     */
+    private fun upSeekBarProgress() {
+        val progress = when (AppConfig.progressBarBehavior) {
+            "page" -> ReadBook.durPageIndex
+            else /* chapter */ -> ReadBook.durChapterIndex
+        }
+        binding.readMenu.setSeekPage(progress)
+    }
+
     /**
      * 显示菜单
      */
@@ -915,6 +926,13 @@ class ReadBookActivity : BaseReadBookActivity(),
         }
     }
 
+    /**
+     * 跳转到指定章节
+     */
+    override fun skipToChapter(index: Int) {
+        viewModel.openChapter(index)
+    }
+
     /**
      * 打开搜索界面
      */
@@ -1282,6 +1300,9 @@ class ReadBookActivity : BaseReadBookActivity(),
         observeEvent<Boolean>(EventBus.updateReadActionBar) {
             binding.readMenu.reset()
         }
+        observeEvent<Boolean>(EventBus.UP_SEEK_BAR) {
+            binding.readMenu.upSeekBar()
+        }
     }
 
     private fun upScreenTimeOut() {

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

@@ -45,6 +45,7 @@ class ReadMenu @JvmOverloads constructor(
     var cnaShowMenu: Boolean = false
     private val callBack: CallBack get() = activity as CallBack
     private val binding = ViewReadMenuBinding.inflate(LayoutInflater.from(context), this, true)
+    private var confirmSkipToChapter: Boolean = false
     private val menuTopIn: Animation by lazy {
         loadAnimation(context, R.anim.anim_readbook_top_in)
     }
@@ -370,7 +371,27 @@ class ReadMenu @JvmOverloads constructor(
         seekReadPage.setOnSeekBarChangeListener(object : SeekBarChangeListener {
 
             override fun onStopTrackingTouch(seekBar: SeekBar) {
-                ReadBook.skipToPage(seekBar.progress)
+                when (AppConfig.progressBarBehavior) {
+                    "page" -> ReadBook.skipToPage(seekBar.progress)
+                    "chapter" -> {
+                        if (confirmSkipToChapter) {
+                            callBack.skipToChapter(seekBar.progress)
+                        } else {
+                            context.alert("章节跳转确认", "确定要跳转章节吗？") {
+                                yesButton {
+                                    confirmSkipToChapter = true
+                                    callBack.skipToChapter(seekBar.progress)
+                                }
+                                noButton {
+                                    upSeekBar()
+                                }
+                                onCancelled {
+                                    upSeekBar()
+                                }
+                            }
+                        }
+                    }
+                }
             }
 
         })
@@ -453,8 +474,7 @@ class ReadMenu @JvmOverloads constructor(
             } else {
                 binding.tvChapterUrl.gone()
             }
-            binding.seekReadPage.max = it.pageSize.minus(1)
-            binding.seekReadPage.progress = ReadBook.durPageIndex
+            upSeekBar()
             binding.tvPre.isEnabled = ReadBook.durChapterIndex != 0
             binding.tvNext.isEnabled = ReadBook.durChapterIndex != ReadBook.chapterSize - 1
         } ?: let {
@@ -463,6 +483,23 @@ class ReadMenu @JvmOverloads constructor(
         }
     }
 
+    fun upSeekBar() {
+        binding.seekReadPage.apply {
+            when (AppConfig.progressBarBehavior) {
+                "page" -> {
+                    ReadBook.curTextChapter?.let {
+                        max = it.pageSize.minus(1)
+                        progress = ReadBook.durPageIndex
+                    }
+                }
+                "chapter" -> {
+                    max = ReadBook.chapterSize - 1
+                    progress = ReadBook.durChapterIndex
+                }
+            }
+        }
+    }
+
     fun setSeekPage(seek: Int) {
         binding.seekReadPage.progress = seek
     }
@@ -493,6 +530,7 @@ class ReadMenu @JvmOverloads constructor(
         fun showLogin()
         fun payAction()
         fun disableSource()
+        fun skipToChapter(index: Int)
     }
 
 }

app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt

@@ -137,6 +137,9 @@ class MoreConfigDialog : DialogFragment() {
                 PreferKey.readBarStyleFollowPage -> {
                     postEvent(EventBus.updateReadActionBar, true)
                 }
+                PreferKey.progressBarBehavior -> {
+                    postEvent(EventBus.UP_SEEK_BAR, true)
+                }
             }
         }
 

app/src/main/java/io/legado/app/ui/main/MainActivity.kt

@@ -234,6 +234,9 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
                     mode = HandleFileContract.DIR_SYS
                 }
             }
+            neutralButton("不想设置") {
+                AppConfig.defaultBookTreeUri = "null"
+            }
             noButton()
         }
     }

app/src/main/res/values-es-rES/strings.xml

@@ -1036,4 +1036,5 @@
     <string name="net_no_group">网络未分组</string>
     <string name="local_no_group">本地未分组</string>
     <string name="parallel_export_book">多线程导出TXT</string>
+    <string name="progress_bar_behavior">进度条行为</string>
 </resources>

app/src/main/res/values-ja-rJP/strings.xml

@@ -1039,4 +1039,5 @@
     <string name="net_no_group">网络未分组</string>
     <string name="local_no_group">本地未分组</string>
     <string name="parallel_export_book">多线程导出TXT</string>
+    <string name="progress_bar_behavior">进度条行为</string>
 </resources>

app/src/main/res/values-pt-rBR/strings.xml

@@ -1039,4 +1039,5 @@
     <string name="net_no_group">网络未分组</string>
     <string name="local_no_group">本地未分组</string>
     <string name="parallel_export_book">多线程导出TXT</string>
+    <string name="progress_bar_behavior">进度条行为</string>
 </resources>

app/src/main/res/values-zh-rHK/strings.xml

@@ -1036,4 +1036,5 @@
     <string name="net_no_group">网络未分组</string>
     <string name="local_no_group">本地未分组</string>
     <string name="parallel_export_book">多线程导出TXT</string>
+    <string name="progress_bar_behavior">进度条行为</string>
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -1038,4 +1038,5 @@
     <string name="net_no_group">网络未分组</string>
     <string name="local_no_group">本地未分组</string>
     <string name="parallel_export_book">多线程导出TXT</string>
+    <string name="progress_bar_behavior">进度条行为</string>
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -1038,4 +1038,5 @@
     <string name="net_no_group">网络未分组</string>
     <string name="local_no_group">本地未分组</string>
     <string name="parallel_export_book">多线程导出TXT</string>
+    <string name="progress_bar_behavior">进度条行为</string>
 </resources>

app/src/main/res/values/array_values.xml

@@ -39,6 +39,11 @@
         <item>2</item>
     </string-array>
 
+    <string-array name="progress_bar_behavior_value">
+        <item>page</item>
+        <item>chapter</item>
+    </string-array>
+
     <string-array name="language_value">
         <item>auto</item>
         <item>zh</item>

app/src/main/res/values/arrays.xml

@@ -67,6 +67,11 @@
 		<item>横屏双页 竖屏单页</item>
 	</string-array>
 
+	<string-array name="progress_bar_behavior_title">
+		<item>调整本章页数</item>
+		<item>调整章节位置</item>
+	</string-array>
+
 	<string-array name="icon_names" tools:ignore="Typos">
 		<item>iconMain</item>
 		<item>icon1</item>

app/src/main/res/values/strings.xml

@@ -1039,4 +1039,5 @@
     <string name="net_no_group">网络未分组</string>
     <string name="local_no_group">本地未分组</string>
     <string name="parallel_export_book">多线程导出TXT</string>
+    <string name="progress_bar_behavior">进度条行为</string>
 </resources>

app/src/main/res/xml/pref_config_read.xml

@@ -50,6 +50,15 @@
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
+    <io.legado.app.lib.prefs.NameListPreference
+        android:defaultValue="page"
+        android:entries="@array/progress_bar_behavior_title"
+        android:entryValues="@array/progress_bar_behavior_value"
+        android:key="progressBarBehavior"
+        android:title="@string/progress_bar_behavior"
+        app:iconSpaceReserved="false"
+        app:isBottomBackground="true" />
+
     <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:key="useZhLayout"