110 lines
4.3 KiB
Kotlin
110 lines
4.3 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.navigation.NavController
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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.browser.storage.sync.SyncedDeviceTabs
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import mozilla.components.feature.syncedtabs.view.SyncedTabsView
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import org.mozilla.fenix.sync.SyncedTabsViewHolder.DeviceViewHolder
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import org.mozilla.fenix.sync.SyncedTabsViewHolder.ErrorViewHolder
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import org.mozilla.fenix.sync.SyncedTabsViewHolder.NoTabsViewHolder
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import org.mozilla.fenix.sync.SyncedTabsViewHolder.TabViewHolder
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import org.mozilla.fenix.sync.SyncedTabsViewHolder.TitleViewHolder
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import org.mozilla.fenix.sync.ext.toAdapterList
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import mozilla.components.browser.storage.sync.Tab as SyncTab
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import mozilla.components.concept.sync.Device as SyncDevice
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class SyncedTabsAdapter(
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private val newListener: SyncedTabsView.Listener
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) : ListAdapter<SyncedTabsAdapter.AdapterItem, SyncedTabsViewHolder>(DiffCallback) {
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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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ErrorViewHolder.LAYOUT_ID -> ErrorViewHolder(itemView)
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TitleViewHolder.LAYOUT_ID -> TitleViewHolder(itemView)
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NoTabsViewHolder.LAYOUT_ID -> NoTabsViewHolder(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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holder.bind(getItem(position), newListener)
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}
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override fun getItemViewType(position: Int) = 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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is AdapterItem.Error -> ErrorViewHolder.LAYOUT_ID
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is AdapterItem.Title -> TitleViewHolder.LAYOUT_ID
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is AdapterItem.NoTabs -> NoTabsViewHolder.LAYOUT_ID
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}
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fun updateData(syncedTabs: List<SyncedDeviceTabs>) {
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val allDeviceTabs = syncedTabs.toAdapterList()
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submitList(allDeviceTabs)
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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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when (oldItem) {
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is AdapterItem.Device ->
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newItem is AdapterItem.Device && oldItem.device.id == newItem.device.id
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is AdapterItem.NoTabs ->
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newItem is AdapterItem.NoTabs && oldItem.device.id == newItem.device.id
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is AdapterItem.Tab,
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is AdapterItem.Error,
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is AdapterItem.Title ->
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oldItem == newItem
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}
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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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/**
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* The various types of adapter items that can be found in a [SyncedTabsAdapter].
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*/
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sealed class AdapterItem {
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/**
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* A title header of the Synced Tabs UI that has a refresh button in it. This may be seen
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* only in some views depending on where the Synced Tabs UI is displayed.
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*/
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object Title : AdapterItem()
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/**
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* A device header for displaying a synced device.
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*/
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data class Device(val device: SyncDevice) : AdapterItem()
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/**
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* A tab that was synced.
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*/
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data class Tab(val tab: SyncTab) : AdapterItem()
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/**
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* A placeholder for a device that has no tabs synced.
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*/
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data class NoTabs(val device: SyncDevice) : AdapterItem()
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/**
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* A message displayed if an error was encountered.
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*/
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data class Error(
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val descriptionResId: Int,
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val navController: NavController? = null
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) : AdapterItem()
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}
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}
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