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fenix/app/src/main/java/org/mozilla/fenix/sync/SyncedTabsAdapter.kt

80 lines
3.1 KiB
Kotlin

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.sync
import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.navigation.NavController
import androidx.recyclerview.widget.DiffUtil
import androidx.recyclerview.widget.ListAdapter
import mozilla.components.browser.storage.sync.SyncedDeviceTabs
import org.mozilla.fenix.sync.SyncedTabsViewHolder.DeviceViewHolder
import org.mozilla.fenix.sync.SyncedTabsViewHolder.ErrorViewHolder
import org.mozilla.fenix.sync.SyncedTabsViewHolder.TabViewHolder
import mozilla.components.browser.storage.sync.Tab as SyncTab
import mozilla.components.concept.sync.Device as SyncDevice
class SyncedTabsAdapter(
private val listener: (SyncTab) -> Unit
) : ListAdapter<SyncedTabsAdapter.AdapterItem, SyncedTabsViewHolder>(DiffCallback) {
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SyncedTabsViewHolder {
val itemView = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
return when (viewType) {
DeviceViewHolder.LAYOUT_ID -> DeviceViewHolder(itemView)
TabViewHolder.LAYOUT_ID -> TabViewHolder(itemView)
ErrorViewHolder.LAYOUT_ID -> ErrorViewHolder(itemView)
else -> throw IllegalStateException()
}
}
override fun onBindViewHolder(holder: SyncedTabsViewHolder, position: Int) {
holder.bind(getItem(position), listener)
}
override fun getItemViewType(position: Int) = when (getItem(position)) {
is AdapterItem.Device -> DeviceViewHolder.LAYOUT_ID
is AdapterItem.Tab -> TabViewHolder.LAYOUT_ID
is AdapterItem.Error -> ErrorViewHolder.LAYOUT_ID
}
fun updateData(syncedTabs: List<SyncedDeviceTabs>) {
val allDeviceTabs = mutableListOf<AdapterItem>()
syncedTabs.forEach { (device, tabs) ->
if (tabs.isNotEmpty()) {
allDeviceTabs.add(AdapterItem.Device(device))
tabs.mapTo(allDeviceTabs) { AdapterItem.Tab(it) }
}
}
submitList(allDeviceTabs)
}
private object DiffCallback : DiffUtil.ItemCallback<AdapterItem>() {
override fun areItemsTheSame(oldItem: AdapterItem, newItem: AdapterItem) =
when (oldItem) {
is AdapterItem.Device ->
newItem is AdapterItem.Device && oldItem.device.id == newItem.device.id
is AdapterItem.Tab, is AdapterItem.Error ->
oldItem == newItem
}
@Suppress("DiffUtilEquals")
override fun areContentsTheSame(oldItem: AdapterItem, newItem: AdapterItem) =
oldItem == newItem
}
sealed class AdapterItem {
data class Device(val device: SyncDevice) : AdapterItem()
data class Tab(val tab: SyncTab) : AdapterItem()
data class Error(
val descriptionResId: Int,
val navController: NavController? = null
) : AdapterItem()
}
}