feat: 优化代码

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

@@ -11,6 +11,7 @@ import io.legado.app.R
 import io.legado.app.constant.PreferKey
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.lib.theme.accentColor
+import io.legado.app.ui.book.read.page.entities.TextChar
 import io.legado.app.ui.book.read.page.entities.TextPage
 import io.legado.app.utils.getCompatColor
 import io.legado.app.utils.getPrefBoolean
@@ -81,7 +82,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         }
     }
 
-    fun selectText(x: Float, y: Float) {
+    fun selectText(x: Float, y: Float): TextChar? {
         textPage?.let { textPage ->
             for (textLine in textPage.textLines) {
                 if (y > textLine.lineTop && y < textLine.lineBottom) {
@@ -89,12 +90,13 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
                         if (x > textChar.leftBottomPosition.x && x < textChar.rightTopPosition.x) {
                             textChar.selected = true
                             invalidate()
-                            break
+                            return textChar
                         }
                     }
                     break
                 }
             }
         }
+        return null
     }
 }

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

@@ -10,6 +10,7 @@ import io.legado.app.R
 import io.legado.app.constant.AppConst.TIME_FORMAT
 import io.legado.app.constant.PreferKey
 import io.legado.app.help.ReadBookConfig
+import io.legado.app.ui.book.read.page.entities.TextChar
 import io.legado.app.ui.book.read.page.entities.TextPage
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.view_book_page.view.*
@@ -110,9 +111,9 @@ class ContentView : FrameLayout {
         content_text_view.selectAble = selectAble
     }
 
-    fun selectText(e: MotionEvent) {
+    fun selectText(e: MotionEvent): TextChar? {
         val y = e.y - headerHeight
-        content_text_view.selectText(e.x, y)
+        return content_text_view.selectText(e.x, y)
     }
 
     fun scrollTo(pos: Int?) {

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

@@ -267,7 +267,7 @@ abstract class PageDelegate(protected val pageView: PageView) :
     }
 
     override fun onLongPress(e: MotionEvent) {
-        curPage.selectText(e)
+        val textChar = curPage.selectText(e)
     }
 
     /**