feat: 优化代码

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

@@ -18,7 +18,7 @@ class CoverPageDelegate(pageView: PageView) : HorizontalPageDelegate(pageView) {
         shadowDrawableR.gradientType = GradientDrawable.LINEAR_GRADIENT
     }
 
-    override fun onScrollStart() {
+    override fun onAnimStart() {
         val distanceX: Float
         when (mDirection) {
             Direction.NEXT -> distanceX =
@@ -42,7 +42,7 @@ class CoverPageDelegate(pageView: PageView) : HorizontalPageDelegate(pageView) {
         startScroll(touchX.toInt(), 0, distanceX.toInt(), 0)
     }
 
-    override fun onScrollStop() {
+    override fun onAnimStop() {
         curPage.x = 0.toFloat()
         if (!isCancel) {
             pageView.fillPage(mDirection)

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

@@ -4,14 +4,14 @@ import android.graphics.Canvas
 import io.legado.app.ui.book.read.page.PageView
 
 class NoAnimPageDelegate(pageView: PageView) : HorizontalPageDelegate(pageView) {
-    override fun onScrollStart() {
+    override fun onAnimStart() {
         startScroll(touchX.toInt(), 0, 0, 0)
     }
 
     override fun onDraw(canvas: Canvas) {
     }
 
-    override fun onScrollStop() {
+    override fun onAnimStop() {
         if (!isCancel) {
             pageView.fillPage(mDirection)
         }

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

@@ -140,7 +140,7 @@ abstract class PageDelegate(protected val pageView: PageView) {
             setTouchPoint(scroller.currX.toFloat(), scroller.currY.toFloat())
         } else if (isStarted) {
             setTouchPoint(scroller.finalX.toFloat(), scroller.finalY.toFloat(), false)
-            onScrollStop()
+            onAnimStop()
             stopScroll()
         }
     }
@@ -176,14 +176,14 @@ abstract class PageDelegate(protected val pageView: PageView) {
                 return
             }
         }
-        onScrollStart()
+        onAnimStart()
     }
 
-    abstract fun onScrollStart()//scroller start
+    abstract fun onAnimStart()//scroller start
 
     abstract fun onDraw(canvas: Canvas)//绘制
 
-    abstract fun onScrollStop()//scroller finish
+    abstract fun onAnimStop()//scroller finish
 
     open fun onScroll() {//移动contentView， slidePage
     }
@@ -268,7 +268,7 @@ abstract class PageDelegate(protected val pageView: PageView) {
                     setBitmap()
                 }
                 setTouchPoint(x, y)
-                onScrollStart()
+                onAnimStart()
             }
             return true
         }
@@ -288,7 +288,7 @@ abstract class PageDelegate(protected val pageView: PageView) {
             velocityX: Float,
             velocityY: Float
         ): Boolean {
-            if (!noNext) onScrollStart()
+            if (!noNext) onAnimStart()
             return true
         }
     }

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

@@ -10,7 +10,7 @@ class ScrollPageDelegate(pageView: PageView) : PageDelegate(pageView) {
 
     private val bitmapMatrix = Matrix()
 
-    override fun onScrollStart() {
+    override fun onAnimStart() {
         if (!atTop && !atBottom) {
             stopScroll()
             return
@@ -61,7 +61,7 @@ class ScrollPageDelegate(pageView: PageView) : PageDelegate(pageView) {
         }
     }
 
-    override fun onScrollStop() {
+    override fun onAnimStop() {
         if (!isCancel) {
             pageView.fillPage(mDirection)
         }

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

@@ -168,7 +168,7 @@ class SimulationPageDelegate(pageView: PageView) : HorizontalPageDelegate(pageVi
         }
     }
 
-    override fun onScrollStart() {
+    override fun onAnimStart() {
         var dx: Float
         val dy: Float
         // dx 水平方向滑动的距离，负值会使滚动向左滚动
@@ -202,7 +202,7 @@ class SimulationPageDelegate(pageView: PageView) : HorizontalPageDelegate(pageVi
         startScroll(touchX.toInt(), touchY.toInt(), dx.toInt(), dy.toInt())
     }
 
-    override fun onScrollStop() {
+    override fun onAnimStop() {
         if (!isCancel) {
             pageView.fillPage(mDirection)
         }

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

@@ -8,7 +8,7 @@ class SlidePageDelegate(pageView: PageView) : HorizontalPageDelegate(pageView) {
 
     private val bitmapMatrix = Matrix()
 
-    override fun onScrollStart() {
+    override fun onAnimStart() {
         val distanceX: Float
         when (mDirection) {
             Direction.NEXT -> distanceX =
@@ -56,7 +56,7 @@ class SlidePageDelegate(pageView: PageView) : HorizontalPageDelegate(pageView) {
         curPage.translationX = offsetX
     }
 
-    override fun onScrollStop() {
+    override fun onAnimStop() {
         curPage.x = 0.toFloat()
 
         if (!isCancel) {