diff options
Diffstat (limited to 'src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/AbstractDiffAdapter.kt')
-rw-r--r-- | src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/AbstractDiffAdapter.kt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/AbstractDiffAdapter.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/AbstractDiffAdapter.kt new file mode 100644 index 000000000..f006f9e3d --- /dev/null +++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/AbstractDiffAdapter.kt @@ -0,0 +1,33 @@ +// SPDX-FileCopyrightText: 2024 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +package org.yuzu.yuzu_emu.adapters + +import android.annotation.SuppressLint +import androidx.recyclerview.widget.AsyncDifferConfig +import androidx.recyclerview.widget.DiffUtil +import androidx.recyclerview.widget.ListAdapter +import org.yuzu.yuzu_emu.viewholder.AbstractViewHolder +import androidx.recyclerview.widget.RecyclerView + +/** + * Generic adapter that implements an [AsyncDifferConfig] and covers some of the basic boilerplate + * code used in every [RecyclerView]. + * Type assigned to [Model] must inherit from [Object] in order to be compared properly. + */ +abstract class AbstractDiffAdapter<Model : Any, Holder : AbstractViewHolder<Model>> : + ListAdapter<Model, Holder>(AsyncDifferConfig.Builder(DiffCallback<Model>()).build()) { + override fun onBindViewHolder(holder: Holder, position: Int) = + holder.bind(currentList[position]) + + private class DiffCallback<Model> : DiffUtil.ItemCallback<Model>() { + override fun areItemsTheSame(oldItem: Model & Any, newItem: Model & Any): Boolean { + return oldItem === newItem + } + + @SuppressLint("DiffUtilEquals") + override fun areContentsTheSame(oldItem: Model & Any, newItem: Model & Any): Boolean { + return oldItem == newItem + } + } +} |