优化

app/src/main/java/io/legado/app/base/adapter/DiffRecyclerAdapter.kt

@@ -8,6 +8,8 @@ import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewbinding.ViewBinding
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import splitties.views.onLongClick
 
 /**
@@ -46,8 +48,9 @@ abstract class DiffRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context
         recyclerView.adapter = this
     }
 
-    @Synchronized
-    fun setItems(items: List<ITEM>?) {
+    suspend fun setItems(items: List<ITEM>?) {
+        withContext(Dispatchers.Default) {
+            synchronized(asyncListDiffer) {
                 kotlin.runCatching {
                     if (items == null) {
                         asyncListDiffer.submitList(null)
@@ -56,18 +59,24 @@ abstract class DiffRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context
                     }
                 }
             }
+        }
+    }
 
-    @Synchronized
-    fun setItem(position: Int, item: ITEM) {
+    suspend fun setItem(position: Int, item: ITEM) {
+        withContext(Dispatchers.Default) {
+            synchronized(asyncListDiffer) {
                 kotlin.runCatching {
                     val list = ArrayList(asyncListDiffer.currentList)
                     list[position] = item
                     asyncListDiffer.submitList(list)
                 }
             }
+        }
+    }
 
-    @Synchronized
-    fun updateItem(item: ITEM) {
+    suspend fun updateItem(item: ITEM) {
+        withContext(Dispatchers.Main) {
+            synchronized(asyncListDiffer) {
                 kotlin.runCatching {
                     val index = asyncListDiffer.currentList.indexOf(item)
                     if (index >= 0) {
@@ -76,9 +85,12 @@ abstract class DiffRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context
                     }
                 }
             }
+        }
+    }
 
-    @Synchronized
-    fun updateItem(position: Int, payload: Any) {
+    suspend fun updateItem(position: Int, payload: Any) {
+        withContext(Dispatchers.Main) {
+            synchronized(asyncListDiffer) {
                 kotlin.runCatching {
                     val size = itemCount
                     if (position in 0 until size) {
@@ -86,9 +98,12 @@ abstract class DiffRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context
                     }
                 }
             }
+        }
+    }
 
-    @Synchronized
-    fun updateItems(fromPosition: Int, toPosition: Int, payloads: Any) {
+    suspend fun updateItems(fromPosition: Int, toPosition: Int, payloads: Any) {
+        withContext(Dispatchers.Main) {
+            synchronized(asyncListDiffer) {
                 kotlin.runCatching {
                     val size = itemCount
                     if (fromPosition in 0 until size && toPosition in 0 until size) {
@@ -100,6 +115,8 @@ abstract class DiffRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context
                     }
                 }
             }
+        }
+    }
 
     fun isEmpty() = asyncListDiffer.currentList.isEmpty()