Code Refactor / Dependency Update
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/*
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* Pupil, Hitomi.la viewer for Android
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* Copyright (C) 2020 tom5079
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package xyz.quaver.pupil.util
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import android.view.View
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import androidx.recyclerview.widget.RecyclerView
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import xyz.quaver.pupil.R
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class ItemClickSupport(private val recyclerView: RecyclerView) {
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var onItemClickListener: ((RecyclerView, Int, View) -> Unit)? = null
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var onItemLongClickListener: ((RecyclerView, Int, View) -> Boolean)? = null
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init {
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recyclerView.apply {
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setTag(R.id.item_click_support, this)
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addOnChildAttachStateChangeListener(object: RecyclerView.OnChildAttachStateChangeListener {
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override fun onChildViewAttachedToWindow(view: View) {
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onItemClickListener?.let { listener ->
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view.setOnClickListener {
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recyclerView.getChildViewHolder(view).let { holder ->
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listener.invoke(recyclerView, holder.adapterPosition, view)
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}
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}
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}
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onItemLongClickListener?.let { listener ->
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view.setOnLongClickListener {
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recyclerView.getChildViewHolder(view).let { holder ->
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listener.invoke(recyclerView, holder.adapterPosition, view)
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}
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}
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}
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}
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override fun onChildViewDetachedFromWindow(view: View) {
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// Do Nothing
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}
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})
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}
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}
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fun detach() {
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recyclerView.apply {
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clearOnChildAttachStateChangeListeners()
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setTag(R.id.item_click_support, null)
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}
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}
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companion object {
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fun addTo(view: RecyclerView) = view.let { removeFrom(it); ItemClickSupport(it) }
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fun removeFrom(view: RecyclerView) = (view.tag as? ItemClickSupport)?.detach()
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}
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}
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