146 lines
5.4 KiB
Kotlin
146 lines
5.4 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.collections
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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.core.view.isGone
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import androidx.core.view.isInvisible
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.RecyclerView
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import kotlinx.android.synthetic.main.collection_tab_list_row.view.*
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import org.mozilla.fenix.R
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.ext.loadIntoView
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import org.mozilla.fenix.home.Tab
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class CollectionCreationTabListAdapter(
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private val interactor: CollectionCreationInteractor
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) : RecyclerView.Adapter<TabViewHolder>() {
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private var tabs: List<Tab> = listOf()
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private var selectedTabs: MutableSet<Tab> = mutableSetOf()
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private var hideCheckboxes = false
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TabViewHolder {
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val view =
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LayoutInflater.from(parent.context).inflate(TabViewHolder.LAYOUT_ID, parent, false)
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return TabViewHolder(view)
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}
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override fun onBindViewHolder(holder: TabViewHolder, position: Int, payloads: MutableList<Any>) {
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if (payloads.isEmpty()) {
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super.onBindViewHolder(holder, position, payloads)
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} else {
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when (payloads[0]) {
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is CheckChanged -> {
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val checkChanged = payloads[0] as CheckChanged
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if (checkChanged.shouldBeChecked) {
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holder.itemView.tab_selected_checkbox.isChecked = true
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} else if (checkChanged.shouldBeUnchecked) {
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holder.itemView.tab_selected_checkbox.isChecked = false
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}
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holder.itemView.tab_selected_checkbox.isGone = checkChanged.shouldHideCheckBox
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}
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}
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}
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}
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override fun onBindViewHolder(holder: TabViewHolder, position: Int) {
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val tab = tabs[position]
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val isSelected = selectedTabs.contains(tab)
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holder.itemView.tab_selected_checkbox.setOnCheckedChangeListener { _, isChecked ->
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if (isChecked) {
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selectedTabs.add(tab)
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interactor.addTabToSelection(tab)
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} else {
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selectedTabs.remove(tab)
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interactor.removeTabFromSelection(tab)
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}
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}
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holder.bind(tab, isSelected, hideCheckboxes)
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}
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override fun getItemCount(): Int = tabs.size
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fun updateData(tabs: List<Tab>, selectedTabs: Set<Tab>, hideCheckboxes: Boolean = false) {
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val diffUtil = DiffUtil.calculateDiff(
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TabDiffUtil(
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this.tabs,
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tabs,
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this.selectedTabs,
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selectedTabs,
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this.hideCheckboxes,
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hideCheckboxes
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)
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)
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this.tabs = tabs
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this.selectedTabs = selectedTabs.toMutableSet()
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this.hideCheckboxes = hideCheckboxes
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diffUtil.dispatchUpdatesTo(this)
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}
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}
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private class TabDiffUtil(
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val old: List<Tab>,
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val new: List<Tab>,
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val oldSelected: Set<Tab>,
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val newSelected: Set<Tab>,
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val oldHideCheckboxes: Boolean,
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val newHideCheckboxes: Boolean
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) : DiffUtil.Callback() {
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override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean =
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old[oldItemPosition].sessionId == new[newItemPosition].sessionId
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override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
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val isSameTab = old[oldItemPosition].sessionId == new[newItemPosition].sessionId
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val sameSelectedState = oldSelected.contains(old[oldItemPosition]) == newSelected.contains(new[newItemPosition])
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val isSameHideCheckboxes = oldHideCheckboxes == newHideCheckboxes
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return isSameTab && sameSelectedState && isSameHideCheckboxes
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}
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override fun getChangePayload(oldItemPosition: Int, newItemPosition: Int): Any? {
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val shouldBeChecked = newSelected.contains(new[newItemPosition]) && !oldSelected.contains(old[oldItemPosition])
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val shouldBeUnchecked =
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!newSelected.contains(new[newItemPosition]) && oldSelected.contains(old[oldItemPosition])
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return CheckChanged(shouldBeChecked, shouldBeUnchecked, newHideCheckboxes)
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}
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override fun getOldListSize(): Int = old.size
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override fun getNewListSize(): Int = new.size
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}
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data class CheckChanged(val shouldBeChecked: Boolean, val shouldBeUnchecked: Boolean, val shouldHideCheckBox: Boolean)
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class TabViewHolder(view: View) : RecyclerView.ViewHolder(view) {
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private val checkbox = view.tab_selected_checkbox!!
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init {
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view.collection_item_tab.setOnClickListener {
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checkbox.isChecked = !checkbox.isChecked
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}
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}
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fun bind(tab: Tab, isSelected: Boolean, shouldHideCheckBox: Boolean) {
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itemView.hostname.text = tab.hostname
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itemView.tab_title.text = tab.title
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checkbox.isInvisible = shouldHideCheckBox
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itemView.isClickable = !shouldHideCheckBox
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if (checkbox.isChecked != isSelected) {
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checkbox.isChecked = isSelected
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}
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itemView.context.components.core.icons.loadIntoView(itemView.favicon_image, tab.url)
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}
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companion object {
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const val LAYOUT_ID = R.layout.collection_tab_list_row
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}
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}
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