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41 lines
1.7 KiB
Kotlin
41 lines
1.7 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.home.sessioncontrol.viewholders.topsites
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import android.view.LayoutInflater
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import android.view.ViewGroup
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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 org.mozilla.fenix.home.sessioncontrol.TopSiteInteractor
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import org.mozilla.fenix.home.sessioncontrol.viewholders.TopSiteViewHolder
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class TopSitesPagerAdapter(
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private val interactor: TopSiteInteractor
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) : ListAdapter<List<TopSite>, TopSiteViewHolder>(DiffCallback) {
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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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.inflate(TopSiteViewHolder.LAYOUT_ID, parent, false)
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return TopSiteViewHolder(view, interactor)
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}
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override fun onBindViewHolder(holder: TopSiteViewHolder, position: Int) {
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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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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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override fun areContentsTheSame(oldItem: List<TopSite>, newItem: List<TopSite>): Boolean {
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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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