feat: 优化代码

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

@@ -37,7 +37,10 @@ abstract class HorizontalPageDelegate(pageView: PageView) : PageDelegate(pageVie
     override fun onTouch(event: MotionEvent) {
         when (event.action) {
             MotionEvent.ACTION_DOWN -> {
-                abort()
+                if (abort()) {
+                    onAnimStop()
+                    stopScroll()
+                }
             }
             MotionEvent.ACTION_MOVE -> {
                 if (isTextSelected) {

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

@@ -154,10 +154,12 @@ abstract class PageDelegate(protected val pageView: PageView) :
         }
     }
 
-    fun abort() {
+    fun abort(): Boolean {
         if (!scroller.isFinished) {
             scroller.abortAnimation()
+            return true
         }
+        return false
     }
 
     open fun onAnimStart() {}//scroller start