Support custom areItemsTheSame and areContentsTheSame functions in Mu…

…tableObjectAdapter
jellyfin · Oct 22, 2023 · 8edc261 · 8edc261
1 parent 4bb27df
commit 8edc261
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/app/src/main/java/org/jellyfin/androidtv/ui/presentation/MutableObjectAdapter.kt b/app/src/main/java/org/jellyfin/androidtv/ui/presentation/MutableObjectAdapter.kt
@@ -41,13 +41,20 @@ open class MutableObjectAdapter<T : Any> : ObjectAdapter, Iterable<T> {
 		notifyItemRangeChanged(index, 1)
 	}
 
-	fun replaceAll(items: List<T>) {
+	fun replaceAll(
+		items: List<T>,
+		areItemsTheSame: (old: T, new: T) -> Boolean = { old, new -> old == new },
+		areContentsTheSame: (old: T, new: T) -> Boolean = { old, new -> old == new },
+	) {
 		val diff = DiffUtil.calculateDiff(object : DiffUtil.Callback() {
 			override fun getOldListSize(): Int = data.size
 			override fun getNewListSize(): Int = items.size
 
-			override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean = areContentsTheSame(oldItemPosition, newItemPosition)
-			override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean = data[oldItemPosition] == items[newItemPosition]
+			override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean =
+				areItemsTheSame(data[oldItemPosition], items[newItemPosition])
+
+			override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean =
+				areContentsTheSame(data[oldItemPosition], items[newItemPosition])
 		})
 
 		data.clear()