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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.home.sessioncontrol
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import android.view.View
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import androidx.lifecycle.LifecycleOwner
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import androidx.recyclerview.widget.ItemTouchHelper
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import kotlinx.android.extensions.LayoutContainer
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import mozilla.components.feature.tab.collections.TabCollection
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import mozilla.components.feature.top.sites.TopSite
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import org.mozilla.fenix.R
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import org.mozilla.fenix.components.tips.Tip
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.home.HomeFragmentState
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import org.mozilla.fenix.home.HomeScreenViewModel
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import org.mozilla.fenix.home.Mode
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import org.mozilla.fenix.home.OnboardingState
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// This method got a little complex with the addition of the tab tray feature flag
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// When we remove the tabs from the home screen this will get much simpler again.
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@Suppress("ComplexMethod")
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private fun normalModeAdapterItems(
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topSites: List<TopSite>,
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collections: List<TabCollection>,
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expandedCollections: Set<Long>,
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tip: Tip?,
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showCollectionsPlaceholder: Boolean
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): List<AdapterItem> {
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val items = mutableListOf<AdapterItem>()
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tip?.let { items.add(AdapterItem.TipItem(it)) }
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if (topSites.isNotEmpty()) {
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items.add(AdapterItem.TopSitePager(topSites))
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}
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if (collections.isEmpty()) {
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if (showCollectionsPlaceholder) {
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items.add(AdapterItem.NoCollectionsMessage)
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}
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} else {
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showCollections(collections, expandedCollections, items)
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}
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return items
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}
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private fun showCollections(
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collections: List<TabCollection>,
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expandedCollections: Set<Long>,
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items: MutableList<AdapterItem>
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) {
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// If the collection is expanded, we want to add all of its tabs beneath it in the adapter
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items.add(AdapterItem.CollectionHeader)
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collections.map {
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AdapterItem.CollectionItem(it, expandedCollections.contains(it.id))
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}.forEach {
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items.add(it)
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if (it.expanded) {
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items.addAll(collectionTabItems(it.collection))
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}
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}
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}
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private fun privateModeAdapterItems() = listOf(AdapterItem.PrivateBrowsingDescription)
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private fun onboardingAdapterItems(onboardingState: OnboardingState): List<AdapterItem> {
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val items: MutableList<AdapterItem> = mutableListOf(AdapterItem.OnboardingHeader)
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// Customize FxA items based on where we are with the account state:
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items.addAll(
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when (onboardingState) {
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OnboardingState.SignedOutNoAutoSignIn -> {
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listOf(
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AdapterItem.OnboardingManualSignIn
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)
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}
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is OnboardingState.SignedOutCanAutoSignIn -> {
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listOf(
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AdapterItem.OnboardingAutomaticSignIn(onboardingState)
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)
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}
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OnboardingState.SignedIn -> listOf()
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}
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)
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items.addAll(
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listOf(
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AdapterItem.OnboardingSectionHeader {
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val appName = it.getString(R.string.app_name)
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it.getString(R.string.onboarding_feature_section_header, appName)
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},
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AdapterItem.OnboardingWhatsNew,
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AdapterItem.OnboardingTrackingProtection,
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AdapterItem.OnboardingThemePicker,
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AdapterItem.OnboardingPrivateBrowsing,
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AdapterItem.OnboardingToolbarPositionPicker,
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AdapterItem.OnboardingPrivacyNotice,
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AdapterItem.OnboardingFinish
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)
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)
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return items
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}
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private fun HomeFragmentState.toAdapterList(): List<AdapterItem> = when (mode) {
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is Mode.Normal -> normalModeAdapterItems(
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topSites,
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collections,
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expandedCollections,
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tip,
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showCollectionPlaceholder
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)
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is Mode.Private -> privateModeAdapterItems()
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is Mode.Onboarding -> onboardingAdapterItems(mode.state)
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}
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private fun collectionTabItems(collection: TabCollection) =
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collection.tabs.mapIndexed { index, tab ->
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AdapterItem.TabInCollectionItem(collection, tab, index == collection.tabs.lastIndex)
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}
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class SessionControlView(
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override val containerView: View,
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viewLifecycleOwner: LifecycleOwner,
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interactor: SessionControlInteractor,
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private var homeScreenViewModel: HomeScreenViewModel
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) : LayoutContainer {
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val view: RecyclerView = containerView as RecyclerView
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private val sessionControlAdapter = SessionControlAdapter(
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interactor,
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viewLifecycleOwner,
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containerView.context.components
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)
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init {
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view.apply {
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adapter = sessionControlAdapter
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layoutManager = LinearLayoutManager(containerView.context)
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val itemTouchHelper =
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ItemTouchHelper(
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SwipeToDeleteCallback(
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interactor
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)
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)
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itemTouchHelper.attachToRecyclerView(this)
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}
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}
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fun update(state: HomeFragmentState) {
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val stateAdapterList = state.toAdapterList()
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if (homeScreenViewModel.shouldScrollToTopSites) {
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sessionControlAdapter.submitList(stateAdapterList) {
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val loadedTopSites = stateAdapterList.find { adapterItem ->
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adapterItem is AdapterItem.TopSitePager && adapterItem.topSites.isNotEmpty()
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}
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loadedTopSites?.run {
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homeScreenViewModel.shouldScrollToTopSites = false
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view.scrollToPosition(0)
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}
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}
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} else {
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sessionControlAdapter.submitList(stateAdapterList)
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}
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}
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}
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