1
0
Fork 0
fenix/app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

942 lines
37 KiB
Kotlin

/* This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.home
import android.animation.Animator
import android.content.DialogInterface
import android.content.res.Resources
import android.graphics.drawable.BitmapDrawable
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.ViewTreeObserver
import androidx.annotation.StringRes
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
import androidx.constraintlayout.widget.ConstraintLayout.LayoutParams.PARENT_ID
import androidx.fragment.app.Fragment
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProviders
import androidx.lifecycle.lifecycleScope
import androidx.navigation.fragment.NavHostFragment.findNavController
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import androidx.recyclerview.widget.RecyclerView.SCROLL_STATE_IDLE
import com.google.android.material.snackbar.Snackbar
import kotlinx.android.synthetic.main.fragment_home.*
import kotlinx.android.synthetic.main.fragment_home.view.*
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import kotlinx.coroutines.runBlocking
import mozilla.components.browser.menu.BrowserMenu
import mozilla.components.browser.session.Session
import mozilla.components.browser.session.SessionManager
import mozilla.components.concept.sync.AccountObserver
import mozilla.components.concept.sync.OAuthAccount
import mozilla.components.concept.sync.Profile
import org.jetbrains.anko.constraint.layout.ConstraintSetBuilder.Side.BOTTOM
import org.jetbrains.anko.constraint.layout.ConstraintSetBuilder.Side.END
import org.jetbrains.anko.constraint.layout.ConstraintSetBuilder.Side.START
import org.jetbrains.anko.constraint.layout.ConstraintSetBuilder.Side.TOP
import org.jetbrains.anko.constraint.layout.applyConstraintSet
import org.mozilla.fenix.BrowserDirection
import org.mozilla.fenix.BrowsingModeManager
import org.mozilla.fenix.FenixViewModelProvider
import org.mozilla.fenix.HomeActivity
import org.mozilla.fenix.R
import org.mozilla.fenix.ThemeManager
import org.mozilla.fenix.collections.CreateCollectionViewModel
import org.mozilla.fenix.collections.SaveCollectionStep
import org.mozilla.fenix.components.FenixSnackbar
import org.mozilla.fenix.components.TabCollectionStorage
import org.mozilla.fenix.components.metrics.Event
import org.mozilla.fenix.ext.nav
import org.mozilla.fenix.ext.requireComponents
import org.mozilla.fenix.ext.toTab
import org.mozilla.fenix.home.sessioncontrol.CollectionAction
import org.mozilla.fenix.home.sessioncontrol.Mode
import org.mozilla.fenix.home.sessioncontrol.OnboardingAction
import org.mozilla.fenix.home.sessioncontrol.OnboardingState
import org.mozilla.fenix.home.sessioncontrol.SessionControlAction
import org.mozilla.fenix.home.sessioncontrol.SessionControlChange
import org.mozilla.fenix.home.sessioncontrol.SessionControlComponent
import org.mozilla.fenix.home.sessioncontrol.SessionControlState
import org.mozilla.fenix.home.sessioncontrol.SessionControlViewModel
import org.mozilla.fenix.home.sessioncontrol.Tab
import org.mozilla.fenix.home.sessioncontrol.TabAction
import org.mozilla.fenix.home.sessioncontrol.TabCollection
import org.mozilla.fenix.home.sessioncontrol.viewholders.CollectionViewHolder
import org.mozilla.fenix.lib.Do
import org.mozilla.fenix.mvi.ActionBusFactory
import org.mozilla.fenix.mvi.getAutoDisposeObservable
import org.mozilla.fenix.mvi.getManagedEmitter
import org.mozilla.fenix.onboarding.FenixOnboarding
import org.mozilla.fenix.settings.SupportUtils
import org.mozilla.fenix.share.ShareTab
import org.mozilla.fenix.utils.allowUndo
import kotlin.math.roundToInt
@SuppressWarnings("TooManyFunctions", "LargeClass")
class HomeFragment : Fragment(), AccountObserver {
private val bus = ActionBusFactory.get(this)
private var tabCollectionObserver: Observer<List<TabCollection>>? = null
private val singleSessionObserver = object : Session.Observer {
override fun onTitleChanged(session: Session, title: String) {
super.onTitleChanged(session, title)
if (deleteAllSessionsJob != null) return
emitSessionChanges()
}
}
private lateinit var sessionObserver: BrowserSessionsObserver
private var homeMenu: HomeMenu? = null
private val sessionManager: SessionManager
get() = requireComponents.core.sessionManager
var deleteAllSessionsJob: (suspend () -> Unit)? = null
private var pendingSessionDeletion: PendingSessionDeletion? = null
data class PendingSessionDeletion(val deletionJob: (suspend () -> Unit), val sessionId: String)
private val onboarding by lazy { FenixOnboarding(requireContext()) }
private lateinit var sessionControlComponent: SessionControlComponent
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
// Disabled while awaiting a better solution to #3209
// postponeEnterTransition()
// sharedElementEnterTransition = TransitionInflater.from(context).inflateTransition(android.R.transition.move)
// .setDuration(SHARED_TRANSITION_MS)
sessionObserver = BrowserSessionsObserver(sessionManager, singleSessionObserver) {
emitSessionChanges()
}
if (!onboarding.userHasBeenOnboarded()) {
requireComponents.analytics.metrics.track(Event.OpenedAppFirstRun)
}
}
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
val view = inflater.inflate(R.layout.fragment_home, container, false)
val mode = currentMode()
sessionControlComponent = SessionControlComponent(
view.homeLayout,
bus,
FenixViewModelProvider.create(
this,
SessionControlViewModel::class.java
) {
SessionControlViewModel(
SessionControlState(
listOf(),
setOf(),
requireComponents.core.tabCollectionStorage.cachedTabCollections,
mode
)
)
}
)
view.homeLayout.applyConstraintSet {
sessionControlComponent.view {
connect(
TOP to BOTTOM of view.homeDivider,
START to START of PARENT_ID,
END to END of PARENT_ID,
BOTTOM to BOTTOM of PARENT_ID
)
}
}
postponeEnterTransition()
ActionBusFactory.get(this).logMergedObservables()
val activity = activity as HomeActivity
ThemeManager.applyStatusBarTheme(activity.window, activity.themeManager, activity)
val listener = object : ViewTreeObserver.OnPreDrawListener {
override fun onPreDraw(): Boolean {
viewLifecycleOwner.lifecycleScope.launch {
delay(ANIM_SCROLL_DELAY)
restoreLayoutState()
startPostponedEnterTransition()
}.invokeOnCompletion { sessionControlComponent.view.viewTreeObserver.removeOnPreDrawListener(this) }
return true
}
}
sessionControlComponent.view.viewTreeObserver.addOnPreDrawListener(listener)
return view
}
private fun restoreLayoutState() {
val homeViewModel = activity?.run {
ViewModelProviders.of(this).get(HomeScreenViewModel::class.java)
}
homeViewModel?.layoutManagerState?.also { parcelable ->
sessionControlComponent.view.layoutManager?.onRestoreInstanceState(parcelable)
}
val progress = homeViewModel?.motionLayoutProgress
homeLayout?.progress =
if (progress ?: 0F > MOTION_LAYOUT_PROGRESS_ROUND_POINT) 1.0f else 0f
homeViewModel?.layoutManagerState = null
}
@SuppressWarnings("LongMethod")
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
setupHomeMenu()
viewLifecycleOwner.lifecycleScope.launch(Dispatchers.Default) {
val iconSize = resources.getDimension(R.dimen.preference_icon_drawable_size).toInt()
val searchIcon = requireComponents.search.searchEngineManager.getDefaultSearchEngine(
requireContext()
).let {
BitmapDrawable(resources, it.icon)
}
searchIcon.setBounds(0, 0, iconSize, iconSize)
runBlocking(Dispatchers.Main) {
search_engine_icon?.setImageDrawable(searchIcon)
}
}
view.menuButton.setOnClickListener {
homeMenu?.menuBuilder?.build(requireContext())?.show(
anchor = it,
orientation = BrowserMenu.Orientation.DOWN
)
}
val roundToInt =
(toolbarPaddingDp * Resources.getSystem().displayMetrics.density).roundToInt()
view.toolbar.compoundDrawablePadding = roundToInt
view.toolbar.setOnClickListener {
invokePendingDeleteJobs()
onboarding.finish()
val directions = HomeFragmentDirections.actionHomeFragmentToSearchFragment(null)
// Disabled while awaiting a better solution to #3209
// val extras =
// FragmentNavigator.Extras.Builder()
// .addSharedElement(toolbar_wrapper, "toolbar_wrapper_transition")
// .build()
// nav(R.id.homeFragment, directions, extras)
nav(R.id.homeFragment, directions)
requireComponents.analytics.metrics.track(Event.SearchBarTapped(Event.SearchBarTapped.Source.HOME))
}
val isPrivate = (activity as HomeActivity).browsingModeManager.isPrivate
privateBrowsingButton.contentDescription =
contentDescriptionForPrivateBrowsingButton(isPrivate)
privateBrowsingButton.setOnClickListener {
invokePendingDeleteJobs()
val browsingModeManager = (activity as HomeActivity).browsingModeManager
val newMode = when (browsingModeManager.mode) {
BrowsingModeManager.Mode.Normal -> BrowsingModeManager.Mode.Private
BrowsingModeManager.Mode.Private -> BrowsingModeManager.Mode.Normal
}
if (onboarding.userHasBeenOnboarded()) {
val mode = if (newMode == BrowsingModeManager.Mode.Private) Mode.Private else Mode.Normal
getManagedEmitter<SessionControlChange>().onNext(SessionControlChange.ModeChange(mode))
}
browsingModeManager.mode = newMode
}
// We need the shadow to be above the components.
homeDividerShadow.bringToFront()
}
override fun onDestroyView() {
homeMenu = null
super.onDestroyView()
}
override fun onResume() {
super.onResume()
getAutoDisposeObservable<SessionControlAction>()
.subscribe {
when (it) {
is SessionControlAction.Tab -> handleTabAction(it.action)
is SessionControlAction.Collection -> handleCollectionAction(it.action)
is SessionControlAction.Onboarding -> handleOnboardingAction(it.action)
}
}
getManagedEmitter<SessionControlChange>().onNext(
SessionControlChange.Change(
tabs = getListOfSessions().toTabs(),
mode = currentMode(),
collections = requireComponents.core.tabCollectionStorage.cachedTabCollections
)
)
(activity as AppCompatActivity).supportActionBar?.hide()
requireComponents.backgroundServices.accountManager.register(this, owner = this)
}
override fun onStart() {
super.onStart()
requireComponents.core.tabCollectionStorage.register(collectionStorageObserver, this)
sessionObserver.onStart()
tabCollectionObserver = subscribeToTabCollections()
}
override fun onStop() {
sessionObserver.onStop()
tabCollectionObserver?.let {
requireComponents.core.tabCollectionStorage.getCollections().removeObserver(it)
}
super.onStop()
}
private fun handleOnboardingAction(action: OnboardingAction) {
Do exhaustive when (action) {
is OnboardingAction.Finish -> {
onboarding.finish()
val mode = currentMode()
getManagedEmitter<SessionControlChange>().onNext(SessionControlChange.ModeChange(mode))
}
}
}
@SuppressWarnings("ComplexMethod")
private fun handleTabAction(action: TabAction) {
Do exhaustive when (action) {
is TabAction.SaveTabGroup -> {
if ((activity as HomeActivity).browsingModeManager.isPrivate) {
return
}
invokePendingDeleteJobs()
showCollectionCreationFragment(action.selectedTabSessionId)
}
is TabAction.Select -> {
invokePendingDeleteJobs()
val session = sessionManager.findSessionById(action.sessionId)
sessionManager.select(session!!)
val directions = HomeFragmentDirections.actionHomeFragmentToBrowserFragment(null)
// Disabled while awaiting a better solution to #3209
// val extras =
// FragmentNavigator.Extras.Builder()
// .addSharedElement(action.tabView, "$TAB_ITEM_TRANSITION_NAME${action.sessionId}")
// .build()
// nav(R.id.homeFragment, directions, extras)
nav(R.id.homeFragment, directions)
}
is TabAction.Close -> {
if (pendingSessionDeletion?.deletionJob == null) {
removeTabWithUndo(action.sessionId)
} else {
pendingSessionDeletion?.deletionJob?.let {
viewLifecycleOwner.lifecycleScope.launch {
it.invoke()
}.invokeOnCompletion {
pendingSessionDeletion = null
removeTabWithUndo(action.sessionId)
}
}
}
}
is TabAction.Share -> {
invokePendingDeleteJobs()
sessionManager.findSessionById(action.sessionId)?.let { session ->
share(session.url)
}
}
is TabAction.CloseAll -> {
if (pendingSessionDeletion?.deletionJob == null) removeAllTabsWithUndo(
sessionManager.filteredSessions(action.private)
) else {
pendingSessionDeletion?.deletionJob?.let {
viewLifecycleOwner.lifecycleScope.launch {
it.invoke()
}.invokeOnCompletion {
pendingSessionDeletion = null
removeAllTabsWithUndo(sessionManager.filteredSessions(action.private))
}
}
}
}
is TabAction.PrivateBrowsingLearnMore -> {
(activity as HomeActivity).openToBrowserAndLoad(
searchTermOrURL = SupportUtils.getGenericSumoURLForTopic
(SupportUtils.SumoTopic.PRIVATE_BROWSING_MYTHS),
newTab = true,
from = BrowserDirection.FromHome
)
}
is TabAction.Add -> {
invokePendingDeleteJobs()
val directions = HomeFragmentDirections.actionHomeFragmentToSearchFragment(null)
nav(R.id.homeFragment, directions)
}
is TabAction.ShareTabs -> {
invokePendingDeleteJobs()
val shareTabs = sessionManager.sessions.map {
ShareTab(it.url, it.title, it.id)
}
share(tabs = shareTabs)
}
}
}
private fun invokePendingDeleteJobs() {
pendingSessionDeletion?.deletionJob?.let {
viewLifecycleOwner.lifecycleScope.launch {
it.invoke()
}.invokeOnCompletion {
pendingSessionDeletion = null
}
}
deleteAllSessionsJob?.let {
viewLifecycleOwner.lifecycleScope.launch {
it.invoke()
}.invokeOnCompletion {
deleteAllSessionsJob = null
}
}
}
private fun createDeleteCollectionPrompt(tabCollection: TabCollection) {
context?.let {
AlertDialog.Builder(it).apply {
val message = context.getString(R.string.tab_collection_dialog_message, tabCollection.title)
setMessage(message)
setNegativeButton(R.string.tab_collection_dialog_negative) { dialog: DialogInterface, _ ->
dialog.cancel()
}
setPositiveButton(R.string.tab_collection_dialog_positive) { dialog: DialogInterface, _ ->
viewLifecycleOwner.lifecycleScope.launch(Dispatchers.IO) {
requireComponents.core.tabCollectionStorage.removeCollection(tabCollection)
}.invokeOnCompletion {
dialog.dismiss()
}
}
create()
}.show()
}
}
private fun handleCollectionAction(action: CollectionAction) {
when (action) {
is CollectionAction.Expand -> {
getManagedEmitter<SessionControlChange>()
.onNext(SessionControlChange.ExpansionChange(action.collection, true))
}
is CollectionAction.Collapse -> {
getManagedEmitter<SessionControlChange>()
.onNext(SessionControlChange.ExpansionChange(action.collection, false))
}
is CollectionAction.Delete -> {
createDeleteCollectionPrompt(action.collection)
}
is CollectionAction.AddTab -> {
showCollectionCreationFragment(
selectedTabCollection = action.collection,
step = SaveCollectionStep.SelectTabs
)
}
is CollectionAction.Rename -> {
showCollectionCreationFragment(
selectedTabCollection = action.collection,
step = SaveCollectionStep.RenameCollection
)
}
is CollectionAction.OpenTab -> {
invokePendingDeleteJobs()
val tabSnapshot = action.tab.restore(
context = context!!,
engine = requireComponents.core.engine,
tab = action.tab,
restoreSessionId = false
)
if (tabSnapshot.isEmpty()) {
// We were unable to create a snapshot, so just load the tab instead
(activity as HomeActivity).openToBrowserAndLoad(
searchTermOrURL = action.tab.url,
newTab = true,
from = BrowserDirection.FromHome
)
} else {
requireComponents.core.sessionManager.restore(
tabSnapshot,
true
)
(activity as HomeActivity).openToBrowser(BrowserDirection.FromHome)
}
}
is CollectionAction.OpenTabs -> {
invokePendingDeleteJobs()
action.collection.tabs.forEach {
val tabSnapshot = it.restore(
context = context!!,
engine = requireComponents.core.engine,
tab = it,
restoreSessionId = false
)
if (tabSnapshot.isEmpty()) {
// We were unable to create a snapshot, so just load the tab instead
requireComponents.useCases.tabsUseCases.addTab.invoke(it.url)
} else {
requireComponents.core.sessionManager.restore(
tabSnapshot,
requireComponents.core.sessionManager.selectedSession == null
)
}
}
viewLifecycleOwner.lifecycleScope.launch {
delay(ANIM_SCROLL_DELAY)
sessionControlComponent.view.smoothScrollToPosition(0)
}
}
is CollectionAction.ShareTabs -> {
val shareTabs = action.collection.tabs.map { ShareTab(it.url, it.title) }
share(tabs = shareTabs)
}
is CollectionAction.RemoveTab -> {
viewLifecycleOwner.lifecycleScope.launch(Dispatchers.IO) {
requireComponents.core.tabCollectionStorage.removeTabFromCollection(action.collection, action.tab)
}
}
}
}
override fun onPause() {
invokePendingDeleteJobs()
super.onPause()
val homeViewModel = activity?.run {
ViewModelProviders.of(this).get(HomeScreenViewModel::class.java)
}
homeViewModel?.layoutManagerState =
sessionControlComponent.view.layoutManager?.onSaveInstanceState()
homeViewModel?.motionLayoutProgress = homeLayout?.progress ?: 0F
}
private fun setupHomeMenu() {
homeMenu = HomeMenu(requireContext()) {
when (it) {
HomeMenu.Item.Settings -> {
invokePendingDeleteJobs()
onboarding.finish()
nav(
R.id.homeFragment,
HomeFragmentDirections.actionHomeFragmentToSettingsFragment()
)
}
HomeMenu.Item.Library -> {
invokePendingDeleteJobs()
onboarding.finish()
nav(
R.id.homeFragment,
HomeFragmentDirections.actionHomeFragmentToLibraryFragment()
)
}
HomeMenu.Item.Help -> {
invokePendingDeleteJobs()
(activity as HomeActivity).openToBrowserAndLoad(
searchTermOrURL = SupportUtils.getSumoURLForTopic(
context!!,
SupportUtils.SumoTopic.HELP
),
newTab = true,
from = BrowserDirection.FromHome
)
}
}
}
}
private fun contentDescriptionForPrivateBrowsingButton(isPrivate: Boolean): String {
val resourceId =
if (isPrivate) R.string.content_description_disable_private_browsing_button else
R.string.content_description_private_browsing_button
return getString(resourceId)
}
private fun subscribeToTabCollections(): Observer<List<TabCollection>> {
val observer = Observer<List<TabCollection>> {
requireComponents.core.tabCollectionStorage.cachedTabCollections = it
getManagedEmitter<SessionControlChange>().onNext(SessionControlChange.CollectionsChange(it))
}
requireComponents.core.tabCollectionStorage.getCollections().observe(this, observer)
return observer
}
private fun removeAllTabsWithUndo(listOfSessionsToDelete: List<Session>) {
val sessionManager = requireComponents.core.sessionManager
getManagedEmitter<SessionControlChange>().onNext(SessionControlChange.TabsChange(listOf()))
val deleteOperation: (suspend () -> Unit) = {
listOfSessionsToDelete.forEach {
sessionManager.remove(it)
}
}
deleteAllSessionsJob = deleteOperation
viewLifecycleOwner.lifecycleScope.allowUndo(
view!!,
getString(R.string.snackbar_tabs_deleted),
getString(R.string.snackbar_deleted_undo), {
deleteAllSessionsJob = null
emitSessionChanges()
},
operation = deleteOperation
)
}
private fun removeTabWithUndo(sessionId: String) {
val sessionManager = requireComponents.core.sessionManager
val deleteOperation: (suspend () -> Unit) = {
sessionManager.findSessionById(sessionId)
?.let { session ->
pendingSessionDeletion = null
sessionManager.remove(session)
}
}
pendingSessionDeletion = PendingSessionDeletion(deleteOperation, sessionId)
viewLifecycleOwner.lifecycleScope.allowUndo(
view!!,
getString(R.string.snackbar_tab_deleted),
getString(R.string.snackbar_deleted_undo), {
pendingSessionDeletion = null
emitSessionChanges()
},
operation = deleteOperation
)
// Update the UI with the tab removed, but don't remove it from storage yet
emitSessionChanges()
}
private fun emitSessionChanges() {
getManagedEmitter<SessionControlChange>().onNext(
SessionControlChange.TabsChange(
getListOfSessions().toTabs()
)
)
}
private fun getListOfSessions(): List<Session> {
val isPrivate = (activity as HomeActivity).browsingModeManager.isPrivate
val notPendingDeletion: (Session) -> Boolean = { it.id != pendingSessionDeletion?.sessionId }
return sessionManager.filteredSessions(isPrivate, notPendingDeletion)
}
private fun emitAccountChanges() {
val mode = currentMode()
getManagedEmitter<SessionControlChange>().onNext(SessionControlChange.ModeChange(mode))
}
private fun showCollectionCreationFragment(
selectedTabId: String? = null,
selectedTabCollection: TabCollection? = null,
step: SaveCollectionStep? = null
) {
if (findNavController(this).currentDestination?.id == R.id.createCollectionFragment) return
val tabs = getListOfSessions().toTabs()
val viewModel = activity?.run {
ViewModelProviders.of(this).get(CreateCollectionViewModel::class.java)
}
viewModel?.tabs = tabs
val selectedTabs =
tabs.find { tab -> tab.sessionId == selectedTabId } ?: if (tabs.size == 1) tabs[0] else null
val selectedSet = if (selectedTabs == null) mutableSetOf() else mutableSetOf(selectedTabs)
viewModel?.selectedTabs = selectedSet
viewModel?.tabCollections = requireComponents.core.tabCollectionStorage.cachedTabCollections.reversed()
viewModel?.selectedTabCollection = selectedTabCollection
viewModel?.saveCollectionStep =
step ?: viewModel?.getStepForTabsAndCollectionSize() ?: SaveCollectionStep.SelectTabs
view?.let {
val directions = HomeFragmentDirections.actionHomeFragmentToCreateCollectionFragment()
nav(R.id.homeFragment, directions)
}
}
private fun share(url: String? = null, tabs: List<ShareTab>? = null) {
val directions =
HomeFragmentDirections.actionHomeFragmentToShareFragment(url = url, tabs = tabs?.toTypedArray())
nav(R.id.homeFragment, directions)
}
private fun currentMode(): Mode = if (!onboarding.userHasBeenOnboarded()) {
val account = requireComponents.backgroundServices.accountManager.authenticatedAccount()
if (account == null) {
Mode.Onboarding(OnboardingState.SignedOut)
} else {
Mode.Onboarding(OnboardingState.ManuallySignedIn)
}
} else if ((activity as HomeActivity).browsingModeManager.isPrivate) {
Mode.Private
} else {
Mode.Normal
}
override fun onAuthenticationProblems() {
emitAccountChanges()
}
override fun onAuthenticated(account: OAuthAccount) {
emitAccountChanges()
}
override fun onError(error: Exception) {
emitAccountChanges()
}
override fun onLoggedOut() {
emitAccountChanges()
}
override fun onProfileUpdated(profile: Profile) {
emitAccountChanges()
}
private fun scrollAndAnimateCollection(tabsAddedToCollectionSize: Int, changedCollection: TabCollection? = null) {
viewLifecycleOwner.lifecycleScope.launch {
val recyclerView = sessionControlComponent.view
delay(ANIM_SCROLL_DELAY)
val tabsSize = getListOfSessions().size
var indexOfCollection = tabsSize + NON_TAB_ITEM_NUM
changedCollection?.let { changedCollection ->
requireComponents.core.tabCollectionStorage.cachedTabCollections.filterIndexed { index, tabCollection ->
if (tabCollection.id == changedCollection.id) {
indexOfCollection = tabsSize + NON_TAB_ITEM_NUM + index
return@filterIndexed true
}
false
}
}
val lastVisiblePosition =
(recyclerView.layoutManager as? LinearLayoutManager)?.findLastCompletelyVisibleItemPosition() ?: 0
if (lastVisiblePosition < indexOfCollection) {
val onScrollListener = object : RecyclerView.OnScrollListener() {
override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
super.onScrollStateChanged(recyclerView, newState)
if (newState == SCROLL_STATE_IDLE) {
animateCollection(tabsAddedToCollectionSize, indexOfCollection)
recyclerView.removeOnScrollListener(this)
}
}
}
recyclerView.addOnScrollListener(onScrollListener)
recyclerView.smoothScrollToPosition(indexOfCollection)
} else {
animateCollection(tabsAddedToCollectionSize, indexOfCollection)
}
}
}
private fun animateCollection(addedTabsSize: Int, indexOfCollection: Int) {
viewLifecycleOwner.lifecycleScope.launch {
val viewHolder = sessionControlComponent.view.findViewHolderForAdapterPosition(indexOfCollection)
val border = (viewHolder as? CollectionViewHolder)?.view?.findViewById<View>(R.id.selected_border)
val listener = object : Animator.AnimatorListener {
override fun onAnimationCancel(animation: Animator?) {
border?.visibility = View.GONE
}
override fun onAnimationStart(animation: Animator?) {}
override fun onAnimationRepeat(animation: Animator?) {}
override fun onAnimationEnd(animation: Animator?) {
border?.animate()?.alpha(0.0F)?.setStartDelay(ANIM_ON_SCREEN_DELAY)
?.setDuration(FADE_ANIM_DURATION)
?.start()
}
}
border?.animate()?.alpha(1.0F)?.setStartDelay(ANIM_ON_SCREEN_DELAY)?.setDuration(FADE_ANIM_DURATION)
?.setListener(listener)?.start()
}.invokeOnCompletion {
showSavedSnackbar(addedTabsSize)
}
}
private val collectionStorageObserver = object : TabCollectionStorage.Observer {
override fun onCollectionCreated(title: String, sessions: List<Session>) {
super.onCollectionCreated(title, sessions)
scrollAndAnimateCollection(sessions.size)
}
override fun onTabsAdded(
tabCollection: mozilla.components.feature.tab.collections.TabCollection,
sessions: List<Session>
) {
super.onTabsAdded(tabCollection, sessions)
scrollAndAnimateCollection(sessions.size, tabCollection)
}
override fun onCollectionRenamed(
tabCollection: mozilla.components.feature.tab.collections.TabCollection,
title: String
) {
super.onCollectionRenamed(tabCollection, title)
showRenamedSnackbar()
}
}
private fun showSavedSnackbar(tabSize: Int) {
viewLifecycleOwner.lifecycleScope.launch {
delay(ANIM_SNACKBAR_DELAY)
view?.let { view ->
@StringRes
val stringRes = if (tabSize > 1) {
R.string.create_collection_tabs_saved
} else {
R.string.create_collection_tab_saved
}
FenixSnackbar.make(view, Snackbar.LENGTH_LONG).setText(view.context.getString(stringRes)).show()
}
}
}
private fun showRenamedSnackbar() {
view?.let { view ->
val string = view.context.getString(R.string.snackbar_collection_renamed)
FenixSnackbar.make(view, Snackbar.LENGTH_LONG).setText(string).show()
}
}
private fun SessionManager.filteredSessions(
private: Boolean,
sessionFilter: ((Session) -> Boolean)? = null
): List<Session> {
return this.sessions
.filter { private == it.private }
.filter { sessionFilter?.invoke(it) ?: true }
}
private fun List<Session>.toTabs(): List<Tab> {
val selected = sessionManager.selectedSession
return this.map { it.toTab(requireContext(), it == selected) }
}
companion object {
private const val NON_TAB_ITEM_NUM = 3
private const val ANIM_SCROLL_DELAY = 100L
private const val ANIM_ON_SCREEN_DELAY = 200L
private const val FADE_ANIM_DURATION = 150L
private const val ANIM_SNACKBAR_DELAY = 100L
private const val SHARED_TRANSITION_MS = 200L
private const val TAB_ITEM_TRANSITION_NAME = "tab_item"
private const val toolbarPaddingDp = 12f
private const val MOTION_LAYOUT_PROGRESS_ROUND_POINT = 0.25f
}
}
/**
* Wrapper around sessions manager to observe changes in sessions.
* Similar to [mozilla.components.browser.session.utils.AllSessionsObserver] but ignores CustomTab sessions.
*
* Call [onStart] to start receiving updates into [onChanged] callback.
* Call [onStop] to stop receiving updates.
*
* @param manager [SessionManager] instance to subscribe to.
* @param observer [Session.Observer] instance that will recieve updates.
* @param onChanged callback that will be called when any of [SessionManager.Observer]'s events are fired.
*/
private class BrowserSessionsObserver(
private val manager: SessionManager,
private val observer: Session.Observer,
private val onChanged: () -> Unit
) {
// TODO This is workaround. Should be removed when [mozilla.components.support.base.observer.ObserverRegistry]
// will not allow to subscribe to single session more than once.
private val observedSessions = mutableSetOf<Session>()
/**
* Start observing
*/
fun onStart() {
manager.register(managerObserver)
subscribeToAll()
}
/**
* Stop observing (will not receive updates till next [onStop] call)
*/
fun onStop() {
manager.unregister(managerObserver)
unsubscribeFromAll()
}
private fun subscribeToAll() {
manager.sessions.forEach(::subscribeTo)
}
private fun unsubscribeFromAll() {
manager.sessions.forEach(::unsubscribeFrom)
}
private fun subscribeTo(session: Session) {
if (!observedSessions.contains(session)) {
session.register(observer)
observedSessions += session
}
}
private fun unsubscribeFrom(session: Session) {
if (observedSessions.contains(session)) {
session.unregister(observer)
observedSessions -= session
}
}
private val managerObserver = object : SessionManager.Observer {
override fun onSessionAdded(session: Session) {
subscribeTo(session)
onChanged()
}
override fun onSessionsRestored() {
subscribeToAll()
onChanged()
}
override fun onAllSessionsRemoved() {
unsubscribeFromAll()
onChanged()
}
override fun onSessionRemoved(session: Session) {
unsubscribeFrom(session)
onChanged()
}
override fun onSessionSelected(session: Session) {
onChanged()
}
}
}