83 lines
2.6 KiB
Kotlin
83 lines
2.6 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.tabtray
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.core.view.isVisible
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.ListAdapter
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import androidx.recyclerview.widget.RecyclerView
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import org.mozilla.fenix.R
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import org.mozilla.fenix.tabtray.SaveToCollectionsButtonAdapter.Item
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import org.mozilla.fenix.tabtray.SaveToCollectionsButtonAdapter.ViewHolder
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/**
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* An adapter to display a single 'Save to Collections' button that can be used to display between
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* multiple [RecyclerView.Adapter] in one [RecyclerView].
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*/
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class SaveToCollectionsButtonAdapter(
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private val interactor: TabTrayInteractor
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) : ListAdapter<Item, ViewHolder>(DiffCallback) {
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init {
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submitList(listOf(Item))
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val itemView = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
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return ViewHolder(itemView, interactor)
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}
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override fun onBindViewHolder(holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
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if (payloads.isNullOrEmpty()) {
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onBindViewHolder(holder, position)
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return
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}
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(payloads[0] as TabTrayView.TabChange).let {
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holder.itemView.isVisible = it == TabTrayView.TabChange.NORMAL
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}
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}
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override fun onBindViewHolder(holder: ViewHolder, position: Int) {
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holder.itemView.isVisible =
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interactor.onModeRequested() is TabTrayDialogFragmentState.Mode.Normal
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}
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override fun getItemViewType(position: Int): Int {
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return ViewHolder.LAYOUT_ID
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}
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private object DiffCallback : DiffUtil.ItemCallback<Item>() {
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override fun areItemsTheSame(oldItem: Item, newItem: Item) = true
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override fun areContentsTheSame(oldItem: Item, newItem: Item) = true
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}
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/**
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* An object to identify the data type.
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*/
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object Item
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class ViewHolder(
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itemView: View,
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private val interactor: TabTrayInteractor
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) : RecyclerView.ViewHolder(itemView), View.OnClickListener {
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init {
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itemView.setOnClickListener(this)
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}
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override fun onClick(v: View?) {
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interactor.onEnterMultiselect()
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}
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companion object {
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const val LAYOUT_ID = R.layout.tabs_tray_save_to_collections_item
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}
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}
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}
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