253 lines
9.3 KiB
Kotlin
253 lines
9.3 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.library.bookmarks
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import android.view.View
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import android.view.ViewGroup
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import android.view.ViewGroup.LayoutParams.MATCH_PARENT
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import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
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import androidx.core.content.ContextCompat
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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.extensions.LayoutContainer
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import mozilla.appservices.places.BookmarkRoot
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import mozilla.components.browser.menu.BrowserMenu
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import mozilla.components.concept.storage.BookmarkNode
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import mozilla.components.concept.storage.BookmarkNodeType
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import org.jetbrains.anko.image
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import org.mozilla.fenix.R
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import org.mozilla.fenix.library.LibrarySiteItemView
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class BookmarkAdapter(val emptyView: View, val interactor: BookmarkViewInteractor) :
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RecyclerView.Adapter<BookmarkAdapter.BookmarkNodeViewHolder>() {
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private var tree: List<BookmarkNode> = listOf()
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private var mode: BookmarkState.Mode = BookmarkState.Mode.Normal
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val selected: Set<BookmarkNode>
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get() = (mode as? BookmarkState.Mode.Selecting)?.selectedItems ?: setOf()
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private var isFirstRun = true
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fun updateData(tree: BookmarkNode?, mode: BookmarkState.Mode) {
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val diffUtil = DiffUtil.calculateDiff(
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BookmarkDiffUtil(
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this.tree,
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tree?.children ?: listOf(),
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this.mode,
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mode
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)
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)
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this.tree = tree?.children ?: listOf()
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isFirstRun = if (isFirstRun) false else {
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emptyView.visibility = if (this.tree.isEmpty()) View.VISIBLE else View.GONE
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false
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}
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this.mode = mode
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diffUtil.dispatchUpdatesTo(this)
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}
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private class BookmarkDiffUtil(
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val old: List<BookmarkNode>,
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val new: List<BookmarkNode>,
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val oldMode: BookmarkState.Mode,
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val newMode: BookmarkState.Mode
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) : DiffUtil.Callback() {
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override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean =
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old[oldItemPosition].guid == new[newItemPosition].guid
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override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
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val oldSelected = (oldMode as? BookmarkState.Mode.Selecting)?.selectedItems ?: setOf()
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val newSelected = (newMode as? BookmarkState.Mode.Selecting)?.selectedItems ?: setOf()
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val modesEqual = oldMode::class == newMode::class
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val selectedEqual =
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((oldSelected.contains(old[oldItemPosition]) && newSelected.contains(new[newItemPosition])) ||
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(!oldSelected.contains(old[oldItemPosition]) && !newSelected.contains(new[newItemPosition])))
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return modesEqual && selectedEqual
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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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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BookmarkNodeViewHolder {
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val view = LibrarySiteItemView(parent.context).apply {
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layoutParams = ViewGroup.LayoutParams(MATCH_PARENT, WRAP_CONTENT)
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}
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return when (viewType) {
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LibrarySiteItemView.ItemType.SITE.ordinal ->
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BookmarkItemViewHolder(view, interactor)
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LibrarySiteItemView.ItemType.FOLDER.ordinal ->
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BookmarkFolderViewHolder(view, interactor)
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LibrarySiteItemView.ItemType.SEPARATOR.ordinal ->
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BookmarkSeparatorViewHolder(view, interactor)
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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 (tree[position].type) {
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BookmarkNodeType.ITEM -> LibrarySiteItemView.ItemType.SITE
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BookmarkNodeType.FOLDER -> LibrarySiteItemView.ItemType.FOLDER
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BookmarkNodeType.SEPARATOR -> LibrarySiteItemView.ItemType.SEPARATOR
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else -> throw IllegalStateException("Item $tree[position] does not match to a ViewType")
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}.ordinal
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}
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override fun getItemCount(): Int = tree.size
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override fun onBindViewHolder(holder: BookmarkNodeViewHolder, position: Int) {
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holder.bind(
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tree[position],
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mode,
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tree[position] in selected
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)
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}
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abstract class BookmarkNodeViewHolder(
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val view: LibrarySiteItemView,
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val interactor: BookmarkViewInteractor
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) :
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RecyclerView.ViewHolder(view), LayoutContainer {
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override val containerView get() = view
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abstract fun bind(item: BookmarkNode, mode: BookmarkState.Mode, selected: Boolean)
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protected fun setupMenu(item: BookmarkNode) {
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val bookmarkItemMenu = BookmarkItemMenu(view.context, item) {
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when (it) {
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is BookmarkItemMenu.Item.Edit -> interactor.edit(item)
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is BookmarkItemMenu.Item.Select -> interactor.select(item)
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is BookmarkItemMenu.Item.Copy -> interactor.copy(item)
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is BookmarkItemMenu.Item.Share -> interactor.share(item)
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is BookmarkItemMenu.Item.OpenInNewTab -> interactor.openInNewTab(item)
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is BookmarkItemMenu.Item.OpenInPrivateTab -> interactor.openInPrivateTab(item)
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is BookmarkItemMenu.Item.Delete -> interactor.delete(item)
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}
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}
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view.overflowView.setOnClickListener {
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bookmarkItemMenu.menuBuilder.build(view.context).show(
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anchor = it,
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orientation = BrowserMenu.Orientation.DOWN
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)
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}
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}
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}
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class BookmarkItemViewHolder(
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view: LibrarySiteItemView,
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interactor: BookmarkViewInteractor
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) :
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BookmarkNodeViewHolder(view, interactor) {
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@Suppress("ComplexMethod")
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override fun bind(item: BookmarkNode, mode: BookmarkState.Mode, selected: Boolean) {
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view.displayAs(LibrarySiteItemView.ItemType.SITE)
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setupMenu(item)
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view.titleView.text = if (item.title.isNullOrBlank()) item.url else item.title
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view.urlView.text = item.url
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setClickListeners(mode, item, selected)
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view.changeSelected(selected)
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setColorsAndIcons(item.url)
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}
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private fun setColorsAndIcons(url: String?) {
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if (url != null && url.startsWith("http")) {
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view.loadFavicon(url)
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} else {
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view.iconView.setImageDrawable(null)
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}
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}
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private fun setClickListeners(
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mode: BookmarkState.Mode,
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item: BookmarkNode,
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selected: Boolean
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) {
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view.setOnClickListener {
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when {
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mode == BookmarkState.Mode.Normal -> interactor.open(item)
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selected -> interactor.deselect(item)
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else -> interactor.select(item)
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}
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}
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view.setOnLongClickListener {
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if (mode == BookmarkState.Mode.Normal) {
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interactor.select(item)
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true
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} else false
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}
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}
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}
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class BookmarkFolderViewHolder(
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view: LibrarySiteItemView,
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interactor: BookmarkViewInteractor
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) :
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BookmarkNodeViewHolder(view, interactor) {
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override fun bind(item: BookmarkNode, mode: BookmarkState.Mode, selected: Boolean) {
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view.displayAs(LibrarySiteItemView.ItemType.FOLDER)
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setClickListeners(mode, item, selected)
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if (!item.inRoots()) {
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setupMenu(item)
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view.setOnLongClickListener(null)
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} else {
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view.overflowView.visibility = View.GONE
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}
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view.changeSelected(selected)
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view.iconView.image = view.context.getDrawable(R.drawable.ic_folder_icon)?.apply {
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setTint(ContextCompat.getColor(view.context, R.color.primary_text_light_theme))
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}
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view.titleView.text = item.title
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}
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private fun setClickListeners(
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mode: BookmarkState.Mode,
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item: BookmarkNode,
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selected: Boolean
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) {
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view.setOnClickListener {
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when {
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mode == BookmarkState.Mode.Normal -> interactor.expand(item)
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selected -> interactor.deselect(item)
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else -> interactor.select(item)
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}
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}
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view.setOnLongClickListener {
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if (mode == BookmarkState.Mode.Normal && !item.inRoots()) {
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interactor.select(item)
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true
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} else false
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}
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}
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}
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class BookmarkSeparatorViewHolder(
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view: LibrarySiteItemView,
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interactor: BookmarkViewInteractor
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) : BookmarkNodeViewHolder(view, interactor) {
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override fun bind(item: BookmarkNode, mode: BookmarkState.Mode, selected: Boolean) {
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view.displayAs(LibrarySiteItemView.ItemType.SEPARATOR)
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setupMenu(item)
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}
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}
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}
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fun BookmarkNode.inRoots() = enumValues<BookmarkRoot>().any { it.id == guid }
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