Tune favourite categories list ui

app/src/main/java/org/koitharu/kotatsu/favourites/ui/categories/FavouriteCategoriesActivity.kt

@@ -3,6 +3,8 @@ package org.koitharu.kotatsu.favourites.ui.categories
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import android.transition.Fade
+import android.transition.TransitionManager
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -22,6 +24,7 @@ import org.koitharu.kotatsu.base.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.model.FavouriteCategory
 import org.koitharu.kotatsu.databinding.ActivityCategoriesBinding
 import org.koitharu.kotatsu.favourites.ui.FavouritesActivity
+import org.koitharu.kotatsu.favourites.ui.categories.adapter.CategoriesAdapter
 import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity
 import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
 import org.koitharu.kotatsu.list.ui.model.ListModel
@@ -144,6 +147,10 @@ class FavouriteCategoriesActivity :
 	}
 
 	private fun onReorderModeChanged(isReorderMode: Boolean) {
+		val transition = Fade().apply {
+			duration = resources.getInteger(android.R.integer.config_shortAnimTime).toLong()
+		}
+		TransitionManager.beginDelayedTransition(binding.toolbar, transition)
 		reorderHelper?.attachToRecyclerView(null)
 		reorderHelper = if (isReorderMode) {
 			selectionController.clear()

app/src/main/java/org/koitharu/kotatsu/favourites/ui/categories/adapter/CategoriesAdapter.kt

@@ -1,11 +1,10 @@
-package org.koitharu.kotatsu.favourites.ui.categories
+package org.koitharu.kotatsu.favourites.ui.categories.adapter
 
 import androidx.lifecycle.LifecycleOwner
 import androidx.recyclerview.widget.DiffUtil
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
-import org.koitharu.kotatsu.favourites.ui.categories.adapter.CategoryListModel
+import org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesListListener
-import org.koitharu.kotatsu.favourites.ui.categories.adapter.categoryAD
 import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
 import org.koitharu.kotatsu.list.ui.adapter.emptyStateListAD
 import org.koitharu.kotatsu.list.ui.adapter.loadingStateAD
@@ -43,7 +42,11 @@ class CategoriesAdapter(
 		override fun getChangePayload(oldItem: ListModel, newItem: ListModel): Any? {
 			return when {
 				oldItem is CategoryListModel && newItem is CategoryListModel -> {
-					if (oldItem.isReorderMode != newItem.isReorderMode) {
+					if (oldItem.category == newItem.category &&
+						oldItem.mangaCount == newItem.mangaCount &&
+						oldItem.covers == newItem.covers &&
+						oldItem.isReorderMode != newItem.isReorderMode
+					) {
 						Unit
 					} else {
 						super.getChangePayload(oldItem, newItem)

app/src/main/java/org/koitharu/kotatsu/favourites/ui/categories/adapter/CategoryAD.kt

@@ -57,9 +57,12 @@ fun categoryAD(
 	itemView.setOnLongClickListener(eventListener)
 	itemView.setOnTouchListener(eventListener)
 
-	bind {
+	bind { payloads ->
-		imageRequests.forEach { it?.dispose() }
 		binding.imageViewHandle.isVisible = item.isReorderMode
+		if (payloads.isNotEmpty()) {
+			return@bind
+		}
+		imageRequests.forEach { it?.dispose() }
 		binding.textViewTitle.text = item.category.title
 		binding.textViewSubtitle.text = if (item.mangaCount == 0) {
 			getString(R.string.empty)
@@ -73,7 +76,6 @@ fun categoryAD(
 		repeat(coverViews.size) { i ->
 			imageRequests[i] = coverViews[i].newImageRequest(item.covers.getOrNull(i))
 				.placeholder(R.drawable.ic_placeholder)
-				.crossfade(crossFadeDuration * (i + 1))
 				.fallback(fallback)
 				.error(R.drawable.ic_placeholder)
 				.allowRgb565(isLowRamDevice(context))