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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.tabstray.browser
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import android.content.Context
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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 mozilla.components.browser.tabstray.TabsAdapter.Companion.PAYLOAD_DONT_HIGHLIGHT_SELECTED_ITEM
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import mozilla.components.browser.tabstray.TabsAdapter.Companion.PAYLOAD_HIGHLIGHT_SELECTED_ITEM
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import mozilla.components.browser.tabstray.TabsTrayStyling
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import mozilla.components.browser.thumbnails.loader.ThumbnailLoader
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import mozilla.components.concept.tabstray.Tab
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import mozilla.components.concept.tabstray.TabsTray
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import mozilla.components.support.base.observer.Observable
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import org.mozilla.fenix.R
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import org.mozilla.fenix.databinding.TabTrayGridItemBinding
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import org.mozilla.fenix.databinding.TabTrayItemBinding
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.home.topsites.dpToPx
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import org.mozilla.fenix.selection.SelectionHolder
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import org.mozilla.fenix.tabstray.TabsTrayStore
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import org.mozilla.fenix.tabstray.ext.MIN_COLUMN_WIDTH_DP
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/**
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* The [ListAdapter] for displaying the list of tabs that have the same search term.
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*
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* @param context [Context] used for various platform interactions or accessing [Components]
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* @param interactor [BrowserTrayInteractor] handling tabs interactions in a tab tray.
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* @param store [TabsTrayStore] containing the complete state of tabs tray and methods to update that.
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* @param delegate [Observable]<[TabsTray.Observer]> for observing tabs tray changes. Defaults to [ObserverRegistry].
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* @param featureName [String] representing the name of the feature displaying tabs. Used in telemetry reporting.
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*/
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class TabGroupListAdapter(
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private val context: Context,
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private val interactor: BrowserTrayInteractor,
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private val store: TabsTrayStore,
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private val delegate: Observable<TabsTray.Observer>,
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private val selectionHolder: SelectionHolder<Tab>?,
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private val featureName: String,
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) : ListAdapter<Tab, AbstractBrowserTabViewHolder>(DiffCallback) {
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private val selectedItemAdapterBinding = SelectedItemAdapterBinding(store, this)
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private val imageLoader = ThumbnailLoader(context.components.core.thumbnailStorage)
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override fun onCreateViewHolder(
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parent: ViewGroup,
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viewType: Int
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): AbstractBrowserTabViewHolder {
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return when {
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context.components.settings.gridTabView -> {
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val view = LayoutInflater.from(parent.context).inflate(R.layout.tab_tray_grid_item, parent, false)
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view.layoutParams.width = view.dpToPx(MIN_COLUMN_WIDTH_DP.toFloat())
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BrowserTabViewHolder.GridViewHolder(imageLoader, interactor, store, selectionHolder, view, featureName)
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}
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else -> {
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val view = LayoutInflater.from(parent.context).inflate(R.layout.tab_tray_item, parent, false)
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BrowserTabViewHolder.ListViewHolder(imageLoader, interactor, store, selectionHolder, view, featureName)
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}
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}
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}
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override fun onBindViewHolder(holder: AbstractBrowserTabViewHolder, position: Int) {
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val tab = getItem(position)
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val selectedTabId = context.components.core.store.state.selectedTabId
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holder.bind(tab, tab.id == selectedTabId, TabsTrayStyling(), delegate)
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holder.tab?.let { holderTab ->
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when {
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context.components.settings.gridTabView -> {
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val gridBinding = TabTrayGridItemBinding.bind(holder.itemView)
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gridBinding.mozacBrowserTabstrayClose.setOnClickListener {
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interactor.close(holderTab, featureName)
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}
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}
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else -> {
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val listBinding = TabTrayItemBinding.bind(holder.itemView)
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listBinding.mozacBrowserTabstrayClose.setOnClickListener {
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interactor.close(holderTab, featureName)
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}
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}
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}
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}
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}
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/**
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* Over-ridden [onBindViewHolder] that uses the payloads to notify the selected tab how to
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* display itself.
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*
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* N.B: this is a modified version of [BrowserTabsAdapter.onBindViewHolder].
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*/
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override fun onBindViewHolder(holder: AbstractBrowserTabViewHolder, position: Int, payloads: List<Any>) {
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val tabs = currentList
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val selectedTabId = context.components.core.store.state.selectedTabId
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val selectedIndex = tabs.indexOfFirst { it.id == selectedTabId }
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if (tabs.isEmpty()) return
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if (payloads.isEmpty()) {
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onBindViewHolder(holder, position)
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return
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}
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if (position == selectedIndex) {
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if (payloads.contains(PAYLOAD_HIGHLIGHT_SELECTED_ITEM)) {
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holder.updateSelectedTabIndicator(true)
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} else if (payloads.contains(PAYLOAD_DONT_HIGHLIGHT_SELECTED_ITEM)) {
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holder.updateSelectedTabIndicator(false)
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}
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}
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selectionHolder?.let {
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var selectedMaskView: View? = null
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when (getItemViewType(position)) {
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BrowserTabsAdapter.ViewType.GRID.layoutRes -> {
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val gridBinding = TabTrayGridItemBinding.bind(holder.itemView)
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selectedMaskView = gridBinding.checkboxInclude.selectedMask
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}
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BrowserTabsAdapter.ViewType.LIST.layoutRes -> {
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val listBinding = TabTrayItemBinding.bind(holder.itemView)
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selectedMaskView = listBinding.checkboxInclude.selectedMask
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}
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}
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holder.showTabIsMultiSelectEnabled(selectedMaskView, it.selectedItems.contains(holder.tab))
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}
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}
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override fun getItemViewType(position: Int): Int {
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return when {
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context.components.settings.gridTabView -> {
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BrowserTabsAdapter.ViewType.GRID.layoutRes
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}
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else -> {
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BrowserTabsAdapter.ViewType.LIST.layoutRes
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}
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}
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}
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override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
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selectedItemAdapterBinding.start()
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}
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override fun onDetachedFromRecyclerView(recyclerView: RecyclerView) {
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selectedItemAdapterBinding.stop()
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}
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private object DiffCallback : DiffUtil.ItemCallback<Tab>() {
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override fun areItemsTheSame(oldItem: Tab, newItem: Tab) = oldItem.id == newItem.id
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override fun areContentsTheSame(oldItem: Tab, newItem: Tab) = oldItem == newItem
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}
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}
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