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@ -6,21 +6,16 @@ package org.mozilla.fenix.home.sessioncontrol.viewholders.topsites
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import android.view.LayoutInflater
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import android.view.LayoutInflater
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import android.view.ViewGroup
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import android.view.ViewGroup
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import androidx.recyclerview.widget.RecyclerView
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.ListAdapter
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import kotlinx.android.synthetic.main.component_top_sites.view.*
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import mozilla.components.feature.top.sites.TopSite
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import mozilla.components.feature.top.sites.TopSite
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import org.mozilla.fenix.home.sessioncontrol.TopSiteInteractor
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import org.mozilla.fenix.home.sessioncontrol.TopSiteInteractor
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import org.mozilla.fenix.home.sessioncontrol.viewholders.TopSiteViewHolder
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import org.mozilla.fenix.home.sessioncontrol.viewholders.TopSiteViewHolder
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class TopSitesPagerAdapter(
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class TopSitesPagerAdapter(
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private val interactor: TopSiteInteractor
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private val interactor: TopSiteInteractor
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) : RecyclerView.Adapter<TopSiteViewHolder>() {
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) : ListAdapter<List<TopSite>, TopSiteViewHolder>(DiffCallback) {
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private var topSites: List<List<TopSite>> = listOf()
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fun updateData(topSites: List<TopSite>) {
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this.topSites = topSites.chunked(TOP_SITES_PER_PAGE)
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notifyDataSetChanged()
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TopSiteViewHolder {
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TopSiteViewHolder {
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val view = LayoutInflater.from(parent.context)
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val view = LayoutInflater.from(parent.context)
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@ -29,12 +24,17 @@ class TopSitesPagerAdapter(
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}
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}
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override fun onBindViewHolder(holder: TopSiteViewHolder, position: Int) {
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override fun onBindViewHolder(holder: TopSiteViewHolder, position: Int) {
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holder.bind(this.topSites[position])
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val adapter = holder.itemView.top_sites_list.adapter as TopSitesAdapter
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adapter.submitList(getItem(position))
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}
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}
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override fun getItemCount(): Int = this.topSites.size
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private object DiffCallback : DiffUtil.ItemCallback<List<TopSite>>() {
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override fun areItemsTheSame(oldItem: List<TopSite>, newItem: List<TopSite>): Boolean {
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return oldItem.size == newItem.size
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}
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companion object {
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override fun areContentsTheSame(oldItem: List<TopSite>, newItem: List<TopSite>): Boolean {
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const val TOP_SITES_PER_PAGE = 8
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return newItem.zip(oldItem).all { (new, old) -> new == old }
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}
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}
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}
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}
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}
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