feat: 优化代码

app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt

@@ -95,7 +95,7 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
                     }
                 }
                 iv_menu_more.onClick {
-                    showMenu(iv_menu_more, getItem(holder.layoutPosition))
+                    showMenu(iv_menu_more, holder.layoutPosition)
                 }
                 upShowExplore(iv_explore, item)
             } else {
@@ -116,8 +116,8 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
         }
     }
 
-    private fun showMenu(view: View, source: BookSource?) {
+    private fun showMenu(view: View, position: Int) {
-        if (source == null) return
+        val source = getItem(position) ?: return
         val popupMenu = PopupMenu(context, view)
         popupMenu.inflate(R.menu.book_source_item)
         val qyMenu = popupMenu.menu.findItem(R.id.menu_enable_explore)

app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt

@@ -40,7 +40,7 @@ class ExploreAdapter(context: Context, private val scope: CoroutineScope, val ca
                     callBack.scrollTo(holder.layoutPosition)
                 }
                 ll_title.onLongClick {
-                    showMenu(ll_title, getItem(holder.layoutPosition), holder.layoutPosition)
+                    showMenu(ll_title, holder.layoutPosition)
                 }
             }
             if (exIndex == holder.layoutPosition) {
@@ -80,8 +80,8 @@ class ExploreAdapter(context: Context, private val scope: CoroutineScope, val ca
         }
     }
 
-    private fun showMenu(view: View, source: BookSource?, position: Int): Boolean {
+    private fun showMenu(view: View, position: Int): Boolean {
-        if (source == null) return true
+        val source = getItem(position) ?: return true
         val popupMenu = PopupMenu(context, view)
         popupMenu.inflate(R.menu.explore_item)
         popupMenu.setOnMenuItemClickListener {

app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleAdapter.kt

@@ -2,6 +2,7 @@ package io.legado.app.ui.replacerule
 
 import android.content.Context
 import android.os.Bundle
+import android.view.View
 import android.widget.PopupMenu
 import androidx.core.os.bundleOf
 import androidx.recyclerview.widget.RecyclerView
@@ -81,16 +82,7 @@ class ReplaceRuleAdapter(context: Context, var callBack: CallBack) :
                     callBack.upCountView()
                 }
                 iv_menu_more.onClick {
-                    val popupMenu = PopupMenu(context, it)
+                    showMenu(iv_menu_more, holder.layoutPosition)
-                    popupMenu.inflate(R.menu.replace_rule_item)
-                    popupMenu.setOnMenuItemClickListener { menuItem ->
-                        when (menuItem.itemId) {
-                            R.id.menu_top -> callBack.toTop(item)
-                            R.id.menu_del -> callBack.delete(item)
-                        }
-                        true
-                    }
-                    popupMenu.show()
                 }
             } else {
                 bundle.keySet().map {
@@ -110,6 +102,20 @@ class ReplaceRuleAdapter(context: Context, var callBack: CallBack) :
         }
     }
 
+    private fun showMenu(view: View, position: Int) {
+        val item = getItem(position) ?: return
+        val popupMenu = PopupMenu(context, view)
+        popupMenu.inflate(R.menu.replace_rule_item)
+        popupMenu.setOnMenuItemClickListener { menuItem ->
+            when (menuItem.itemId) {
+                R.id.menu_top -> callBack.toTop(item)
+                R.id.menu_del -> callBack.delete(item)
+            }
+            true
+        }
+        popupMenu.show()
+    }
+
     override fun onMove(srcPosition: Int, targetPosition: Int): Boolean {
         val srcItem = getItem(srcPosition)
         val targetItem = getItem(targetPosition)

app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt

@@ -88,7 +88,7 @@ class RssSourceAdapter(context: Context, val callBack: CallBack) :
                     }
                 }
                 iv_menu_more.onClick {
-                    showMenu(iv_menu_more, getItem(holder.layoutPosition))
+                    showMenu(iv_menu_more, holder.layoutPosition)
                 }
             } else {
                 when (payloads[0]) {
@@ -99,8 +99,8 @@ class RssSourceAdapter(context: Context, val callBack: CallBack) :
         }
     }
 
-    private fun showMenu(view: View, source: RssSource?) {
+    private fun showMenu(view: View, position: Int) {
-        if (source == null) return
+        val source = getItem(position) ?: return
         val popupMenu = PopupMenu(context, view)
         popupMenu.inflate(R.menu.rss_source_item)
         popupMenu.setOnMenuItemClickListener { menuItem ->