61 lines
2.3 KiB
Kotlin
61 lines
2.3 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.sync
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import android.view.LayoutInflater
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import android.view.ViewGroup
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.ListAdapter
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import mozilla.components.concept.sync.Device as SyncDevice
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import mozilla.components.browser.storage.sync.Tab as SyncTab
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import org.mozilla.fenix.sync.SyncedTabsViewHolder.DeviceViewHolder
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import org.mozilla.fenix.sync.SyncedTabsViewHolder.TabViewHolder
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class SyncedTabsAdapter(
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private val listener: (SyncTab) -> Unit
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) : ListAdapter<SyncedTabsAdapter.AdapterItem, SyncedTabsViewHolder>(
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DiffCallback
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) {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SyncedTabsViewHolder {
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val itemView = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
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return when (viewType) {
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DeviceViewHolder.LAYOUT_ID -> DeviceViewHolder(itemView)
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TabViewHolder.LAYOUT_ID -> TabViewHolder(itemView)
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else -> throw IllegalStateException()
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}
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}
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override fun onBindViewHolder(holder: SyncedTabsViewHolder, position: Int) {
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val item = when (holder) {
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is DeviceViewHolder -> getItem(position) as AdapterItem.Device
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is TabViewHolder -> getItem(position) as AdapterItem.Tab
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}
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holder.bind(item, listener)
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}
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override fun getItemViewType(position: Int): Int {
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return when (getItem(position)) {
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is AdapterItem.Device -> DeviceViewHolder.LAYOUT_ID
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is AdapterItem.Tab -> TabViewHolder.LAYOUT_ID
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}
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}
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private object DiffCallback : DiffUtil.ItemCallback<AdapterItem>() {
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override fun areItemsTheSame(oldItem: AdapterItem, newItem: AdapterItem) =
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areContentsTheSame(oldItem, newItem)
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@Suppress("DiffUtilEquals")
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override fun areContentsTheSame(oldItem: AdapterItem, newItem: AdapterItem) =
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oldItem == newItem
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}
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sealed class AdapterItem {
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data class Device(val device: SyncDevice) : AdapterItem()
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data class Tab(val tab: SyncTab) : AdapterItem()
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}
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}
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