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62 lines
2.0 KiB
Kotlin
62 lines
2.0 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.tabstray.browser
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import android.view.LayoutInflater
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import android.view.View
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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 androidx.recyclerview.widget.RecyclerView
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import org.mozilla.fenix.R
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import org.mozilla.fenix.databinding.TabTrayTitleHeaderItemBinding
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/**
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* A [RecyclerView.Adapter] for tab header.
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*/
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class TitleHeaderAdapter :
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ListAdapter<TitleHeaderAdapter.Header, TitleHeaderAdapter.HeaderViewHolder>(DiffCallback) {
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class Header
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): HeaderViewHolder {
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val view = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
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return HeaderViewHolder(view)
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}
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override fun getItemViewType(position: Int) = HeaderViewHolder.LAYOUT_ID
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/* Do nothing */
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override fun onBindViewHolder(holder: HeaderViewHolder, position: Int) = Unit
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fun handleListChanges(showHeader: Boolean) {
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val header = if (showHeader) {
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listOf(Header())
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} else {
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emptyList()
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}
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submitList(header)
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}
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class HeaderViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
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private val binding = TabTrayTitleHeaderItemBinding.bind(itemView)
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fun bind() {
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binding.tabTrayHeaderTitle.text =
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itemView.context.getString(R.string.tab_tray_header_title_1)
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}
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companion object {
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const val LAYOUT_ID = R.layout.tab_tray_title_header_item
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}
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}
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private object DiffCallback : DiffUtil.ItemCallback<Header>() {
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override fun areItemsTheSame(oldItem: Header, newItem: Header) = true
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override fun areContentsTheSame(oldItem: Header, newItem: Header) = true
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}
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}
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