feat: 优化代码

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

@@ -16,6 +16,7 @@ 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)
@@ -84,6 +85,13 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     }
 
     fun onScroll(offset: Float) {
+        var mOffset = offset
+        if (offset > maxScrollOffset) {
+            mOffset = maxScrollOffset
+        } else if (offset < -maxScrollOffset) {
+            mOffset = -maxScrollOffset
+        }
+
 
     }
 

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

@@ -135,20 +135,6 @@ class ContentView(context: Context) : FrameLayout(context) {
 
     val selectedText: String get() = content_text_view.selectedText
 
-    fun scrollTo(pos: Int?) {
-        if (pos != null) {
-            content_text_view.post {
-
-            }
-        }
-    }
-
-    fun scrollToBottom() {
-        content_text_view.post {
-
-        }
-    }
-
     interface CallBack {
         fun scrollToLine(line: Int)
         fun scrollToLast()

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

@@ -75,16 +75,10 @@ class PageView(context: Context, attrs: AttributeSet) :
             PageDelegate.Direction.PREV -> {
                 pageFactory?.moveToPrevious()
                 upContent()
-                if (isScrollDelegate) {
-                    curPage.scrollToBottom()
-                }
             }
             PageDelegate.Direction.NEXT -> {
                 pageFactory?.moveToNext()
                 upContent()
-                if (isScrollDelegate) {
-                    curPage.scrollTo(0)
-                }
             }
             else -> Unit
         }
@@ -112,27 +106,15 @@ class PageView(context: Context, attrs: AttributeSet) :
                     curPage.setContent(it.currentPage())
                     nextPage.setContent(it.nextPage())
                     prevPage.setContent(it.previousPage())
-                    if (isScrollDelegate) {
-                        curPage.scrollTo(ReadBook.textChapter()?.getStartLine(ReadBook.durChapterPos()))
-                    }
                 }
             }
-            if (isScrollDelegate) {
-                prevPage.scrollToBottom()
-            }
         }
         callBack?.screenOffTimerStart()
     }
 
     fun moveToPrevPage(noAnim: Boolean = true) {
         if (noAnim) {
-            if (isScrollDelegate) {
-                ReadBook.textChapter()?.let {
-                    curPage.scrollTo(it.getStartLine(pageIndex - 1))
-                }
-            } else {
-                fillPage(PageDelegate.Direction.PREV)
-            }
+            fillPage(PageDelegate.Direction.PREV)
         } else {
             pageDelegate?.start(PageDelegate.Direction.PREV)
         }
@@ -140,13 +122,7 @@ class PageView(context: Context, attrs: AttributeSet) :
 
     fun moveToNextPage(noAnim: Boolean = true) {
         if (noAnim) {
-            if (isScrollDelegate) {
-                ReadBook.textChapter()?.let {
-                    curPage.scrollTo(it.getStartLine(pageIndex + 1))
-                }
-            } else {
-                fillPage(PageDelegate.Direction.NEXT)
-            }
+            fillPage(PageDelegate.Direction.NEXT)
         } else {
             pageDelegate?.start(PageDelegate.Direction.NEXT)
         }