You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
3.1 KiB
Kotlin
74 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.home.sessioncontrol.viewholders.topsites
|
|
|
|
import android.view.LayoutInflater
|
|
import android.view.ViewGroup
|
|
import androidx.recyclerview.widget.DiffUtil
|
|
import androidx.recyclerview.widget.ListAdapter
|
|
import kotlinx.android.synthetic.main.component_top_sites.view.*
|
|
import mozilla.components.feature.top.sites.TopSite
|
|
import org.mozilla.fenix.home.sessioncontrol.AdapterItem
|
|
import org.mozilla.fenix.home.sessioncontrol.TopSiteInteractor
|
|
import org.mozilla.fenix.home.sessioncontrol.viewholders.TopSitePagerViewHolder.Companion.TOP_SITES_PER_PAGE
|
|
import org.mozilla.fenix.home.sessioncontrol.viewholders.TopSiteViewHolder
|
|
|
|
class TopSitesPagerAdapter(
|
|
private val interactor: TopSiteInteractor
|
|
) : ListAdapter<List<TopSite>, TopSiteViewHolder>(TopSiteListDiffCallback) {
|
|
|
|
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TopSiteViewHolder {
|
|
val view = LayoutInflater.from(parent.context)
|
|
.inflate(TopSiteViewHolder.LAYOUT_ID, parent, false)
|
|
return TopSiteViewHolder(view, interactor)
|
|
}
|
|
|
|
override fun onBindViewHolder(
|
|
holder: TopSiteViewHolder,
|
|
position: Int,
|
|
payloads: MutableList<Any>
|
|
) {
|
|
if (payloads.isNullOrEmpty()) {
|
|
onBindViewHolder(holder, position)
|
|
} else {
|
|
if (payloads[0] is AdapterItem.TopSitePagerPayload) {
|
|
val adapter = holder.itemView.top_sites_list.adapter as TopSitesAdapter
|
|
val payload = payloads[0] as AdapterItem.TopSitePagerPayload
|
|
for (item in payload.changed) {
|
|
adapter.notifyItemChanged(
|
|
item.first % TOP_SITES_PER_PAGE,
|
|
TopSitesAdapter.TopSitePayload(item.second.title)
|
|
)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
override fun onBindViewHolder(holder: TopSiteViewHolder, position: Int) {
|
|
val adapter = holder.itemView.top_sites_list.adapter as TopSitesAdapter
|
|
adapter.submitList(getItem(position))
|
|
}
|
|
|
|
internal object TopSiteListDiffCallback : DiffUtil.ItemCallback<List<TopSite>>() {
|
|
override fun areItemsTheSame(oldItem: List<TopSite>, newItem: List<TopSite>): Boolean {
|
|
return oldItem.size == newItem.size
|
|
}
|
|
|
|
override fun areContentsTheSame(oldItem: List<TopSite>, newItem: List<TopSite>): Boolean {
|
|
return newItem.zip(oldItem).all { (new, old) -> new == old }
|
|
}
|
|
|
|
override fun getChangePayload(oldItem: List<TopSite>, newItem: List<TopSite>): Any? {
|
|
val changed = mutableSetOf<Pair<Int, TopSite>>()
|
|
for ((index, item) in newItem.withIndex()) {
|
|
if (oldItem.getOrNull(index) != item) {
|
|
changed.add(Pair(index, item))
|
|
}
|
|
}
|
|
return if (changed.isNotEmpty()) AdapterItem.TopSitePagerPayload(changed) else null
|
|
}
|
|
}
|
|
}
|