127 lines
3.9 KiB
Kotlin
127 lines
3.9 KiB
Kotlin
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/* 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.library.history
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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 android.widget.TextView
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import io.reactivex.Observable
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import io.reactivex.Observer
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import io.reactivex.functions.Consumer
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import org.mozilla.fenix.R
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import org.mozilla.fenix.mvi.UIView
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class HistoryUIView(
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container: ViewGroup,
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actionEmitter: Observer<HistoryAction>,
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changesObservable: Observable<HistoryChange>
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) :
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UIView<HistoryState, HistoryAction, HistoryChange>(container, actionEmitter, changesObservable) {
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override val view: RecyclerView = LayoutInflater.from(container.context)
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.inflate(R.layout.component_history, container, true)
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.findViewById(R.id.history_list)
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init {
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view.apply {
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adapter = HistoryAdapter(actionEmitter)
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layoutManager = LinearLayoutManager(container.context)
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}
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}
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override fun updateView() = Consumer<HistoryState> {
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(view.adapter as HistoryAdapter).updateData(it.items)
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}
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}
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private class HistoryAdapter(
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private val actionEmitter: Observer<HistoryAction>
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) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
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class HistoryListItemViewHolder(
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view: View,
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private val actionEmitter: Observer<HistoryAction>
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) : RecyclerView.ViewHolder(view) {
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private var title = view.findViewById<TextView>(R.id.history_title)
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private var url = view.findViewById<TextView>(R.id.history_url)
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private var item: HistoryItem? = null
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init {
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view.setOnClickListener {
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item?.apply {
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actionEmitter.onNext(HistoryAction.Select(this))
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}
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}
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}
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fun bind(item: HistoryItem) {
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this.item = item
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title.text = item.title
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url.text = item.url
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}
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companion object {
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const val LAYOUT_ID = R.layout.history_list_item
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}
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}
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class HistoryHeaderViewHolder(
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view: View
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) : RecyclerView.ViewHolder(view) {
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private val title = view.findViewById<TextView>(R.id.history_header_title)
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fun bind(title: String) {
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this.title.text = title
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}
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companion object {
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const val LAYOUT_ID = R.layout.history_header
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}
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}
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private var items: List<HistoryItem> = emptyList()
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fun updateData(items: List<HistoryItem>) {
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this.items = items
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notifyDataSetChanged()
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
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val view = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
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return when (viewType) {
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HistoryHeaderViewHolder.LAYOUT_ID -> HistoryHeaderViewHolder(view)
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HistoryListItemViewHolder.LAYOUT_ID -> HistoryListItemViewHolder(view, actionEmitter)
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else -> throw IllegalStateException("viewType $viewType does not match to a ViewHolder")
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}
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}
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override fun getItemViewType(position: Int): Int {
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return when (position) {
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0 -> HistoryHeaderViewHolder.LAYOUT_ID
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else -> HistoryListItemViewHolder.LAYOUT_ID
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}
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}
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override fun getItemCount(): Int = items.count() + NUMBER_OF_SECTIONS
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override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
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when (holder) {
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is HistoryHeaderViewHolder -> holder.bind("Today")
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is HistoryListItemViewHolder -> holder.bind(items[position - NUMBER_OF_SECTIONS])
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}
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}
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companion object {
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private const val NUMBER_OF_SECTIONS = 1
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}
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}
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