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iceraven-browser/app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlAdapter.kt

95 lines
4.2 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.home.sessioncontrol
import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import io.reactivex.Observer
import kotlinx.coroutines.Job
import org.mozilla.fenix.home.sessioncontrol.viewholders.ArchiveTabsViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.DeleteTabsViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.PrivateBrowsingDescriptionViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.SessionHeaderViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.SessionViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.SessionPlaceholderViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.TabHeaderViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.TabViewHolder
import java.lang.IllegalStateException
sealed class AdapterItem {
object TabHeader : AdapterItem()
data class TabItem(val tab: Tab) : AdapterItem()
object PrivateBrowsingDescription : AdapterItem()
object ArchiveTabs : AdapterItem()
object DeleteTabs : AdapterItem()
object SessionHeader : AdapterItem()
object SessionPlaceholder : AdapterItem()
data class SessionItem(val session: ArchivedSession) : AdapterItem()
val viewType: Int
get() = when (this) {
TabHeader -> TabHeaderViewHolder.LAYOUT_ID
is TabItem -> TabViewHolder.LAYOUT_ID
ArchiveTabs -> ArchiveTabsViewHolder.LAYOUT_ID
PrivateBrowsingDescription -> PrivateBrowsingDescriptionViewHolder.LAYOUT_ID
DeleteTabs -> DeleteTabsViewHolder.LAYOUT_ID
SessionHeader -> SessionHeaderViewHolder.LAYOUT_ID
SessionPlaceholder -> SessionPlaceholderViewHolder.LAYOUT_ID
is SessionItem -> SessionViewHolder.LAYOUT_ID
}
}
class SessionControlAdapter(
private val actionEmitter: Observer<SessionControlAction>
) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
var items: List<AdapterItem> = listOf()
private lateinit var job: Job
fun reloadData(items: List<AdapterItem>) {
this.items = items
notifyDataSetChanged()
}
// This method triggers the ComplexMethod lint error when in fact it's quite simple.
@SuppressWarnings("ComplexMethod")
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
val view = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
return when (viewType) {
TabHeaderViewHolder.LAYOUT_ID -> TabHeaderViewHolder(view, actionEmitter)
TabViewHolder.LAYOUT_ID -> TabViewHolder(view, actionEmitter, job)
ArchiveTabsViewHolder.LAYOUT_ID -> ArchiveTabsViewHolder(view, actionEmitter)
PrivateBrowsingDescriptionViewHolder.LAYOUT_ID -> PrivateBrowsingDescriptionViewHolder(view, actionEmitter)
DeleteTabsViewHolder.LAYOUT_ID -> DeleteTabsViewHolder(view, actionEmitter)
SessionHeaderViewHolder.LAYOUT_ID -> SessionHeaderViewHolder(view)
SessionPlaceholderViewHolder.LAYOUT_ID -> SessionPlaceholderViewHolder(view)
SessionViewHolder.LAYOUT_ID -> SessionViewHolder(view, actionEmitter)
else -> throw IllegalStateException()
}
}
override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
super.onAttachedToRecyclerView(recyclerView)
job = Job()
}
override fun onDetachedFromRecyclerView(recyclerView: RecyclerView) {
super.onDetachedFromRecyclerView(recyclerView)
job.cancel()
}
override fun getItemViewType(position: Int) = items[position].viewType
override fun getItemCount(): Int = items.size
override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
when (holder) {
is TabViewHolder -> holder.bindSession((items[position] as AdapterItem.TabItem).tab, position)
is SessionViewHolder -> holder.bind((items[position] as AdapterItem.SessionItem).session)
}
}
}