feat: 优化代码

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

@@ -71,8 +71,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
     override val viewModel: ReadBookViewModel
         get() = getViewModel(ReadBookViewModel::class.java)
 
-    override val isInitFinish: Boolean
-        get() = viewModel.isInitFinish
+    override val isInitFinish: Boolean get() = viewModel.isInitFinish
 
     private val mHandler = Handler()
     private val keepScreenRunnable: Runnable = Runnable { Help.keepScreenOn(window, false) }
@@ -80,6 +79,8 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
     private var screenTimeOut: Long = 0
     private var timeElectricityReceiver: TimeElectricityReceiver? = null
 
+    override val headerHeight: Int get() = page_view.headerHeight
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         Help.upLayoutInDisplayCutoutMode(window)
         initView()
@@ -373,10 +374,11 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         }
         textActionMenu?.let { popup ->
             if (!popup.isShowing) {
-                popup.showAsDropDown(
+                popup.showAtLocation(
                     cursor_left,
-                    cursor_left.width,
-                    -cursor_left.height - ReadBookConfig.durConfig.textSize.dp
+                    Gravity.BOTTOM or Gravity.START,
+                    cursor_left.x.toInt() + cursor_left.width,
+                    page_view.height - cursor_left.y.toInt() + ReadBookConfig.durConfig.textSize.dp + popup.height
                 )
             }
         }

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

@@ -22,8 +22,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
             style = Paint.Style.FILL
         }
     }
-    private var activityCallBack: CallBack? = null
-    var headerHeight = 0
+    private var activityCallBack: CallBack
     var selectAble = context.getPrefBoolean(PreferKey.textSelectAble)
     var selectStartLine = 0
     var selectStartChar = 0
@@ -32,7 +31,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     private var textPage: TextPage? = null
 
     init {
-        activityCallBack = activity as? CallBack
+        activityCallBack = activity as CallBack
     }
 
     fun setContent(textPage: TextPage?) {
@@ -181,11 +180,11 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     }
 
     private fun upSelectedStart(x: Float, y: Float) {
-        activityCallBack?.upSelectedStart(x, y + headerHeight)
+        activityCallBack.upSelectedStart(x, y + activityCallBack.headerHeight)
     }
 
     private fun upSelectedEnd(x: Float, y: Float) {
-        activityCallBack?.upSelectedEnd(x, y + headerHeight)
+        activityCallBack.upSelectedEnd(x, y + activityCallBack.headerHeight)
     }
 
     fun cancelSelect() {
@@ -197,7 +196,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
             }
             invalidate()
         }
-        activityCallBack?.onCancelSelect()
+        activityCallBack.onCancelSelect()
     }
 
     val selectedText: String
@@ -209,5 +208,6 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         fun upSelectedStart(x: Float, y: Float)
         fun upSelectedEnd(x: Float, y: Float)
         fun onCancelSelect()
+        val headerHeight: Int
     }
 }

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

@@ -23,6 +23,7 @@ class ContentView(context: Context) : FrameLayout(context) {
         //设置背景防止切换背景时文字重叠
         setBackgroundColor(context.getCompatColor(R.color.background))
         inflate(context, R.layout.view_book_page, this)
+
         upStyle()
         upTime()
     }
@@ -33,9 +34,8 @@ class ContentView(context: Context) : FrameLayout(context) {
             tv_top_right.typeface = ChapterProvider.typeface
             tv_bottom_left.typeface = ChapterProvider.typeface
             tv_bottom_right.typeface = ChapterProvider.typeface
+            //显示状态栏时隐藏header
             if (context.getPrefBoolean(PreferKey.hideStatusBar, false)) {
-                //显示状态栏时隐藏header
-                ll_header.visible()
                 ll_header.layoutParams =
                     ll_header.layoutParams.apply { height = context.getStatusBarHeight() }
                 ll_header.setPadding(
@@ -44,12 +44,11 @@ class ContentView(context: Context) : FrameLayout(context) {
                     headerPaddingRight.dp,
                     headerPaddingBottom.dp
                 )
-                content_text_view.headerHeight = ll_header.height
+                ll_header.visible()
                 page_panel.setPadding(0, 0, 0, 0)
             } else {
                 ll_header.gone()
-                content_text_view.headerHeight = context.getStatusBarHeight()
-                page_panel.setPadding(0, content_text_view.headerHeight, 0, 0)
+                page_panel.setPadding(0, context.getStatusBarHeight(), 0, 0)
             }
             content_text_view.setPadding(
                 paddingLeft.dp,
@@ -72,6 +71,15 @@ class ContentView(context: Context) : FrameLayout(context) {
         }
     }
 
+    val headerHeight: Int
+        get() {
+            return if (context.getPrefBoolean(PreferKey.hideStatusBar, false)) {
+                ll_header.height
+            } else {
+                context.getStatusBarHeight()
+            }
+        }
+
     fun setBg(bg: Drawable?) {
         page_panel.background = bg
     }
@@ -105,16 +113,16 @@ class ContentView(context: Context) : FrameLayout(context) {
     }
 
     fun selectText(e: MotionEvent): Boolean {
-        val y = e.y - content_text_view.headerHeight
+        val y = e.y - headerHeight
         return content_text_view.selectText(e.x, y)
     }
 
     fun selectStartMove(x: Float, y: Float) {
-        content_text_view.selectStartMove(x, y - content_text_view.headerHeight)
+        content_text_view.selectStartMove(x, y - headerHeight)
     }
 
     fun selectEndMove(x: Float, y: Float) {
-        content_text_view.selectEndMove(x, y - content_text_view.headerHeight)
+        content_text_view.selectEndMove(x, y - headerHeight)
     }
 
     fun cancelSelect() {

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

@@ -191,6 +191,8 @@ class PageView(context: Context, attrs: AttributeSet) :
         curPage.selectEndMove(x, y)
     }
 
+    val headerHeight: Int get() = curPage.headerHeight
+
     val selectedText: String get() = curPage.selectedText
 
     override val isScrollDelegate: Boolean