up

app/src/main/java/io/legado/app/ui/widget/page/DataSource.kt

@@ -1,7 +1,7 @@
 package io.legado.app.ui.widget.page
 
 interface DataSource {
-    fun isScroll(): Boolean
+    fun isScrollDelegate(): Boolean
 
     fun pageIndex(): Int
 

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

@@ -11,8 +11,10 @@ import io.legado.app.ui.widget.page.delegate.*
 import io.legado.app.utils.activity
 import io.legado.app.utils.getPrefInt
 
-class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, attrs),
-    PageDelegate.PageInterface {
+class PageView(context: Context, attrs: AttributeSet) :
+    FrameLayout(context, attrs),
+    PageDelegate.PageInterface,
+    DataSource {
 
     private var callback: CallBack? = null
     private var pageDelegate: PageDelegate? = null
@@ -34,62 +36,8 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
         setWillNotDraw(false)
 
         upPageAnim()
-
-        setPageFactory(TextPageFactory.create(object : DataSource {
-            override fun isScroll(): Boolean {
-                return pageDelegate is ScrollPageDelegate
-            }
-
-            override fun pageIndex(): Int {
-                return callback?.durChapterPos() ?: 0
-            }
-
-            override fun setPageIndex(pageIndex: Int) {
-                callback?.setPageIndex(pageIndex)
-            }
-
-            override fun getChapterPosition(): Int {
-                return callback?.durChapterIndex() ?: 0
-            }
-
-            override fun getChapter(position: Int): TextChapter? {
-                return callback?.textChapter(position)
-            }
-
-            override fun getCurrentChapter(): TextChapter? {
-                return callback?.textChapter(0)
-            }
-
-            override fun getNextChapter(): TextChapter? {
-                return callback?.textChapter(1)
-            }
-
-            override fun getPreviousChapter(): TextChapter? {
-                return callback?.textChapter(-1)
-            }
-
-            override fun hasNextChapter(): Boolean {
-                callback?.let {
-                    return it.durChapterIndex() < it.chapterSize() - 1
-                }
-                return false
-            }
-
-            override fun hasPrevChapter(): Boolean {
-                callback?.let {
-                    return it.durChapterIndex() > 0
-                }
-                return false
-            }
-
-            override fun moveToNextChapter() {
-                callback?.moveToNextChapter()
-            }
-
-            override fun moveToPrevChapter() {
-                callback?.moveToPrevChapter()
-            }
-        }))
+        this.pageFactory = TextPageFactory.create(this)
+        upContent()
     }
 
     override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
@@ -132,14 +80,8 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
         upContent()
     }
 
-    private fun setPageFactory(factory: TextPageFactory) {
-        this.pageFactory = factory
-
-        //可做成异步回调
-        upContent()
-    }
-
     fun upPageAnim() {
+        pageDelegate = null
         pageDelegate = when (context.getPrefInt("pageAnim")) {
             0 -> CoverPageDelegate(this)
             1 -> SlidePageDelegate(this)
@@ -207,6 +149,60 @@ class PageView(context: Context, attrs: AttributeSet) : FrameLayout(context, att
         callback?.clickCenter()
     }
 
+    override fun isScrollDelegate(): Boolean {
+        return pageDelegate is ScrollPageDelegate
+    }
+
+    override fun pageIndex(): Int {
+        return callback?.durChapterPos() ?: 0
+    }
+
+    override fun setPageIndex(pageIndex: Int) {
+        callback?.setPageIndex(pageIndex)
+    }
+
+    override fun getChapterPosition(): Int {
+        return callback?.durChapterIndex() ?: 0
+    }
+
+    override fun getChapter(position: Int): TextChapter? {
+        return callback?.textChapter(position)
+    }
+
+    override fun getCurrentChapter(): TextChapter? {
+        return callback?.textChapter(0)
+    }
+
+    override fun getNextChapter(): TextChapter? {
+        return callback?.textChapter(1)
+    }
+
+    override fun getPreviousChapter(): TextChapter? {
+        return callback?.textChapter(-1)
+    }
+
+    override fun hasNextChapter(): Boolean {
+        callback?.let {
+            return it.durChapterIndex() < it.chapterSize() - 1
+        }
+        return false
+    }
+
+    override fun hasPrevChapter(): Boolean {
+        callback?.let {
+            return it.durChapterIndex() > 0
+        }
+        return false
+    }
+
+    override fun moveToNextChapter() {
+        callback?.moveToNextChapter()
+    }
+
+    override fun moveToPrevChapter() {
+        callback?.moveToPrevChapter()
+    }
+
     interface CallBack {
         fun chapterSize(): Int
         fun durChapterIndex(): Int

app/src/main/java/io/legado/app/ui/widget/page/TextPageFactory.kt

@@ -62,7 +62,7 @@ class TextPageFactory private constructor(dataSource: DataSource) :
     }
 
     override fun currentPage(): TextPage? = dataSource.pageIndex().let { index ->
-        return if (dataSource.isScroll()) {
+        return if (dataSource.isScrollDelegate()) {
             dataSource.getCurrentChapter()?.scrollPage()
         } else {
             dataSource.getCurrentChapter()?.page(index)
@@ -70,7 +70,7 @@ class TextPageFactory private constructor(dataSource: DataSource) :
     }
 
     override fun nextPage(): TextPage? = dataSource.pageIndex().let { index ->
-        if (dataSource.isScroll()) {
+        if (dataSource.isScrollDelegate()) {
             return dataSource.getNextChapter()?.scrollPage()
                 ?: TextPage(index = index + 1, title = "index：${index + 1}")
         }
@@ -85,7 +85,7 @@ class TextPageFactory private constructor(dataSource: DataSource) :
     }
 
     override fun previousPage(): TextPage? = dataSource.pageIndex().let { index ->
-        if (dataSource.isScroll()) {
+        if (dataSource.isScrollDelegate()) {
             return dataSource.getPreviousChapter()?.scrollPage()
                 ?: TextPage(index = index + 1, title = "index：${index + 1}")
         }

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

@@ -38,9 +38,19 @@ abstract class PageDelegate(protected val pageView: PageView) {
     protected var viewWidth: Int = pageView.width
     protected var viewHeight: Int = pageView.height
 
-    private val scroller: Scroller by lazy { Scroller(pageView.context, FastOutLinearInInterpolator()) }
+    private val scroller: Scroller by lazy {
+        Scroller(
+            pageView.context,
+            FastOutLinearInInterpolator()
+        )
+    }
 
-    private val detector: GestureDetector by lazy { GestureDetector(pageView.context, GestureListener()) }
+    private val detector: GestureDetector by lazy {
+        GestureDetector(
+            pageView.context,
+            GestureListener()
+        )
+    }
 
     private var isMoved = false
     private var noNext = true
@@ -77,7 +87,13 @@ abstract class PageDelegate(protected val pageView: PageView) {
     }
 
     protected fun startScroll(startX: Int, startY: Int, dx: Int, dy: Int) {
-        scroller.startScroll(startX, startY, dx, dy, getDuration((if(dx !=0) dx else dy).toFloat()))
+        scroller.startScroll(
+            startX,
+            startY,
+            dx,
+            dy,
+            getDuration((if (dx != 0) dx else dy).toFloat())
+        )
         isRunning = true
         isStarted = true
         invalidate()
@@ -243,8 +259,18 @@ abstract class PageDelegate(protected val pageView: PageView) {
             isLongPress = true
         }
 
-        override fun onScroll(e1: MotionEvent, e2: MotionEvent, distanceX: Float, distanceY: Float): Boolean {
+        override fun onScroll(
+            e1: MotionEvent,
+            e2: MotionEvent,
+            distanceX: Float,
+            distanceY: Float
+        ): Boolean {
+            if (pageView.isScrollDelegate()) {
+                curPage?.dispatchTouchEvent(e2)
+                return true
+            } else {
                 curPage?.contentTextView()?.setTextIsSelectable(false)
+            }
             if (!isMoved && abs(distanceX) > abs(distanceY)) {
                 if (distanceX < 0) {
                     //上一页的参数配置

app/src/main/res/layout/view_book_page.xml

@@ -32,8 +32,7 @@
         android:id="@+id/content_text_view"
         android:layout_width="match_parent"
         android:layout_height="0dp"
-        android:layout_weight="1"
-        android:textIsSelectable="true" />
+        android:layout_weight="1" />
 
     <LinearLayout
         android:id="@+id/bottom_bar"