325 lines
12 KiB
Kotlin
325 lines
12 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.os.Bundle
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import android.view.LayoutInflater
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import android.view.Menu
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import android.view.MenuInflater
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import android.view.MenuItem
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import android.view.View
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import android.view.ViewGroup
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import androidx.appcompat.app.AppCompatActivity
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import androidx.fragment.app.activityViewModels
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import androidx.lifecycle.Observer
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import androidx.lifecycle.ViewModelProvider
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import androidx.lifecycle.lifecycleScope
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import androidx.navigation.NavDirections
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import androidx.navigation.fragment.findNavController
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import kotlinx.android.synthetic.main.fragment_bookmark.view.*
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import kotlinx.coroutines.async
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers.IO
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import kotlinx.coroutines.Dispatchers.Main
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import kotlinx.coroutines.ExperimentalCoroutinesApi
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.ObsoleteCoroutinesApi
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import kotlinx.coroutines.isActive
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.awaitAll
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import mozilla.appservices.places.BookmarkRoot
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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 mozilla.components.concept.sync.AccountObserver
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import mozilla.components.concept.sync.AuthType
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import mozilla.components.concept.sync.OAuthAccount
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import mozilla.components.lib.state.ext.consumeFrom
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import mozilla.components.support.base.feature.BackHandler
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import org.mozilla.fenix.R
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import org.mozilla.fenix.components.FenixSnackbarPresenter
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import org.mozilla.fenix.components.StoreProvider
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import org.mozilla.fenix.components.metrics.Event
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import org.mozilla.fenix.ext.bookmarkStorage
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.ext.minus
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import org.mozilla.fenix.ext.nav
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import org.mozilla.fenix.ext.urlToTrimmedHost
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import org.mozilla.fenix.library.LibraryPageFragment
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import org.mozilla.fenix.utils.allowUndo
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@SuppressWarnings("TooManyFunctions", "LargeClass")
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class BookmarkFragment : LibraryPageFragment<BookmarkNode>(), BackHandler, AccountObserver {
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private lateinit var bookmarkStore: BookmarkFragmentStore
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private lateinit var bookmarkView: BookmarkView
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private lateinit var signInView: SignInView
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private lateinit var bookmarkInteractor: BookmarkFragmentInteractor
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private val sharedViewModel: BookmarksSharedViewModel by activityViewModels {
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ViewModelProvider.NewInstanceFactory() // this is a workaround for #4652
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}
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private val desktopFolders by lazy { DesktopFolders(context!!, showMobileRoot = false) }
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var currentRoot: BookmarkNode? = null
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lateinit var initialJob: Job
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private var pendingBookmarkDeletionJob: (suspend () -> Unit)? = null
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private var pendingBookmarksToDelete: MutableSet<BookmarkNode> = mutableSetOf()
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private val metrics
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get() = context?.components?.analytics?.metrics
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override val selectedItems get() = bookmarkStore.state.mode.selectedItems
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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val view = inflater.inflate(R.layout.fragment_bookmark, container, false)
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bookmarkStore = StoreProvider.get(this) {
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BookmarkFragmentStore(BookmarkFragmentState(null))
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}
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bookmarkInteractor = BookmarkFragmentInteractor(
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bookmarkStore = bookmarkStore,
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viewModel = sharedViewModel,
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bookmarksController = DefaultBookmarkController(
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context = context!!,
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navController = findNavController(),
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snackbarPresenter = FenixSnackbarPresenter(view),
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deleteBookmarkNodes = ::deleteMulti,
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invokePendingDeletion = ::invokePendingDeletion
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),
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metrics = metrics!!
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)
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bookmarkView = BookmarkView(view.bookmarkLayout, bookmarkInteractor)
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signInView = SignInView(view.bookmarkLayout, bookmarkInteractor)
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lifecycle.addObserver(
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BookmarkDeselectNavigationListener(
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findNavController(),
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sharedViewModel,
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bookmarkInteractor
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)
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)
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return view
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}
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@ObsoleteCoroutinesApi
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@ExperimentalCoroutinesApi
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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consumeFrom(bookmarkStore) {
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bookmarkView.update(it)
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}
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sharedViewModel.apply {
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signedIn.observe(this@BookmarkFragment, Observer<Boolean> {
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signInView.update(it)
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})
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}
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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activity?.title = getString(R.string.library_bookmarks)
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setHasOptionsMenu(true)
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}
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override fun onResume() {
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super.onResume()
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(activity as? AppCompatActivity)?.supportActionBar?.show()
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checkIfSignedIn()
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val currentGuid = BookmarkFragmentArgs.fromBundle(arguments!!).currentRoot.ifEmpty { BookmarkRoot.Mobile.id }
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initialJob = loadInitialBookmarkFolder(currentGuid)
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}
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private fun loadInitialBookmarkFolder(currentGuid: String): Job {
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return viewLifecycleOwner.lifecycleScope.launch(IO) {
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currentRoot = requireContext().bookmarkStorage
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.getTree(currentGuid)?.let { desktopFolders.withOptionalDesktopFolders(it) }!!
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if (!isActive) return@launch
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launch(Main) {
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bookmarkInteractor.onBookmarksChanged(currentRoot!!)
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sharedViewModel.selectedFolder = currentRoot
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}
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}
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}
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private fun checkIfSignedIn() {
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context?.components?.backgroundServices?.accountManager?.let {
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it.register(this, owner = this)
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it.authenticatedAccount()?.let { bookmarkInteractor.onSignedIn() }
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?: bookmarkInteractor.onSignedOut()
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}
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}
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override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
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when (val mode = bookmarkStore.state.mode) {
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BookmarkFragmentState.Mode.Normal -> {
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inflater.inflate(R.menu.bookmarks_menu, menu)
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}
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is BookmarkFragmentState.Mode.Selecting -> {
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if (mode.selectedItems.any { it.type != BookmarkNodeType.ITEM }) {
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inflater.inflate(R.menu.bookmarks_select_multi_not_item, menu)
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} else {
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inflater.inflate(R.menu.bookmarks_select_multi, menu)
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}
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menu.findItem(R.id.edit_bookmark_multi_select)?.isVisible = mode.selectedItems.size == 1
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}
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}
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}
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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return when (item.itemId) {
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R.id.libraryClose -> {
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invokePendingDeletion()
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close()
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true
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}
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R.id.add_bookmark_folder -> {
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navigate(
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BookmarkFragmentDirections
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.actionBookmarkFragmentToBookmarkAddFolderFragment()
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)
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true
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}
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R.id.open_bookmarks_in_new_tabs_multi_select -> {
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openItemsInNewTab { node -> node.url }
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navigate(BookmarkFragmentDirections.actionBookmarkFragmentToHomeFragment())
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metrics?.track(Event.OpenedBookmarksInNewTabs)
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true
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}
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R.id.open_bookmarks_in_private_tabs_multi_select -> {
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openItemsInNewTab(private = true) { node -> node.url }
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navigate(BookmarkFragmentDirections.actionBookmarkFragmentToHomeFragment())
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metrics?.track(Event.OpenedBookmarksInPrivateTabs)
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true
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}
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R.id.edit_bookmark_multi_select -> {
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val bookmark = bookmarkStore.state.mode.selectedItems.first()
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navigate(
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BookmarkFragmentDirections.actionBookmarkFragmentToBookmarkEditFragment(
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bookmark.guid
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)
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)
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true
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}
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R.id.delete_bookmarks_multi_select -> {
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deleteMulti(bookmarkStore.state.mode.selectedItems)
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true
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}
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else -> super.onOptionsItemSelected(item)
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}
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}
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private fun navigate(directions: NavDirections) {
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invokePendingDeletion()
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nav(R.id.bookmarkFragment, directions)
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}
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override fun onBackPressed(): Boolean {
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invokePendingDeletion()
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return bookmarkView.onBackPressed()
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}
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override fun onAuthenticated(account: OAuthAccount, authType: AuthType) {
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bookmarkInteractor.onSignedIn()
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lifecycleScope.launch {
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refreshBookmarks()
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}
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}
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override fun onLoggedOut() {
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bookmarkInteractor.onSignedOut()
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}
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private suspend fun refreshBookmarks() {
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// The bookmark tree in our 'state' can be null - meaning, no bookmark tree has been selected.
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// If that's the case, we don't know what node to refresh, and so we bail out.
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// See https://github.com/mozilla-mobile/fenix/issues/4671
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val currentGuid = bookmarkStore.state.tree?.guid ?: return
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context?.bookmarkStorage
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?.getTree(currentGuid, false)
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?.let { desktopFolders.withOptionalDesktopFolders(it) }
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?.let { node ->
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val rootNode = node - pendingBookmarksToDelete
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bookmarkInteractor.onBookmarksChanged(rootNode)
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}
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}
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override fun onPause() {
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invokePendingDeletion()
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super.onPause()
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}
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private suspend fun deleteSelectedBookmarks(selected: Set<BookmarkNode>) {
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CoroutineScope(IO).launch {
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val tempStorage = context?.bookmarkStorage
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val deferreds = selected.map {
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async {
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tempStorage?.deleteNode(it.guid)
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}
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}
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deferreds.awaitAll()
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}
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}
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private fun deleteMulti(selected: Set<BookmarkNode>, eventType: Event = Event.RemoveBookmarks) {
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pendingBookmarksToDelete.addAll(selected)
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val bookmarkTree = currentRoot!! - pendingBookmarksToDelete
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bookmarkInteractor.onBookmarksChanged(bookmarkTree)
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val deleteOperation: (suspend () -> Unit) = {
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deleteSelectedBookmarks(selected)
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pendingBookmarkDeletionJob = null
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// Since this runs in a coroutine, we can't depend upon the fragment still being attached
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metrics?.track(Event.RemoveBookmarks)
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refreshBookmarks()
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}
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pendingBookmarkDeletionJob = deleteOperation
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val message = when (eventType) {
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is Event.RemoveBookmarks -> {
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getString(R.string.bookmark_deletion_multiple_snackbar_message)
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}
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is Event.RemoveBookmarkFolder,
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is Event.RemoveBookmark -> {
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val bookmarkNode = selected.first()
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getString(
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R.string.bookmark_deletion_snackbar_message,
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bookmarkNode.url?.urlToTrimmedHost(context!!) ?: bookmarkNode.title
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)
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}
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else -> throw IllegalStateException("Illegal event type in onDeleteSome")
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}
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lifecycleScope.allowUndo(
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view!!, message,
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getString(R.string.bookmark_undo_deletion), {
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pendingBookmarksToDelete.removeAll(selected)
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pendingBookmarkDeletionJob = null
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refreshBookmarks()
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}, operation = deleteOperation
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)
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}
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private fun invokePendingDeletion() {
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pendingBookmarkDeletionJob?.let {
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viewLifecycleOwner.lifecycleScope.launch {
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it.invoke()
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}.invokeOnCompletion {
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pendingBookmarkDeletionJob = null
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}
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}
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}
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}
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