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/* 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.sessioncontrol
import android.content.Context
import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.annotation.LayoutRes
import androidx.lifecycle.LifecycleOwner
import androidx.recyclerview.widget.DiffUtil
import androidx.recyclerview.widget.ListAdapter
import androidx.recyclerview.widget.RecyclerView
import mozilla.components.feature.tab.collections.TabCollection
import mozilla.components.feature.top.sites.TopSite
import org.mozilla.fenix.components.Components
import org.mozilla.fenix.components.tips.Tip
import org.mozilla.fenix.home.OnboardingState
import org.mozilla.fenix.home.sessioncontrol.viewholders.CollectionHeaderViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.CollectionViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.NoCollectionsMessageViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.PrivateBrowsingDescriptionViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.TabInCollectionViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.TopSiteViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingAutomaticSignInViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingFinishViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingHeaderViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingManualSignInViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingPrivacyNoticeViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingPrivateBrowsingViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingSectionHeaderViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingThemePickerViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingToolbarPositionPickerViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingTrackingProtectionViewHolder
import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingWhatsNewViewHolder
import org.mozilla.fenix.home.tips.ButtonTipViewHolder
import mozilla.components.feature.tab.collections.Tab as ComponentTab
sealed class AdapterItem(@LayoutRes val viewType: Int) {
data class TipItem(val tip: Tip) : AdapterItem(
ButtonTipViewHolder.LAYOUT_ID
)
data class TopSiteList(val topSites: List<TopSite>) : AdapterItem(TopSiteViewHolder.LAYOUT_ID) {
override fun sameAs(other: AdapterItem): Boolean {
val newTopSites = (other as? TopSiteList) ?: return false
return newTopSites.topSites == this.topSites
}
override fun contentsSameAs(other: AdapterItem): Boolean {
val newTopSites = (other as? TopSiteList) ?: return false
if (newTopSites.topSites.size != this.topSites.size) return false
val newSitesSequence = newTopSites.topSites.asSequence()
val oldTopSites = this.topSites.asSequence()
return newSitesSequence.zip(oldTopSites).all { (new, old) -> new.title == old.title }
}
}
object PrivateBrowsingDescription : AdapterItem(PrivateBrowsingDescriptionViewHolder.LAYOUT_ID)
object NoCollectionsMessage : AdapterItem(NoCollectionsMessageViewHolder.LAYOUT_ID)
object CollectionHeader : AdapterItem(CollectionHeaderViewHolder.LAYOUT_ID)
data class CollectionItem(
val collection: TabCollection,
val expanded: Boolean
) : AdapterItem(CollectionViewHolder.LAYOUT_ID) {
override fun sameAs(other: AdapterItem) =
other is CollectionItem && collection.id == other.collection.id
override fun contentsSameAs(other: AdapterItem): Boolean {
(other as? CollectionItem)?.let {
return it.expanded == this.expanded && it.collection.title == this.collection.title
} ?: return false
}
}
data class TabInCollectionItem(
val collection: TabCollection,
val tab: ComponentTab,
val isLastTab: Boolean
) : AdapterItem(TabInCollectionViewHolder.LAYOUT_ID) {
override fun sameAs(other: AdapterItem) =
other is TabInCollectionItem && tab.id == other.tab.id
}
object OnboardingHeader : AdapterItem(OnboardingHeaderViewHolder.LAYOUT_ID)
data class OnboardingSectionHeader(
val labelBuilder: (Context) -> String
) : AdapterItem(OnboardingSectionHeaderViewHolder.LAYOUT_ID) {
override fun sameAs(other: AdapterItem) =
other is OnboardingSectionHeader && labelBuilder == other.labelBuilder
}
object OnboardingManualSignIn : AdapterItem(OnboardingManualSignInViewHolder.LAYOUT_ID)
data class OnboardingAutomaticSignIn(
val state: OnboardingState.SignedOutCanAutoSignIn
) : AdapterItem(OnboardingAutomaticSignInViewHolder.LAYOUT_ID)
object OnboardingThemePicker : AdapterItem(OnboardingThemePickerViewHolder.LAYOUT_ID)
object OnboardingTrackingProtection :
AdapterItem(OnboardingTrackingProtectionViewHolder.LAYOUT_ID)
object OnboardingPrivateBrowsing : AdapterItem(OnboardingPrivateBrowsingViewHolder.LAYOUT_ID)
object OnboardingPrivacyNotice : AdapterItem(OnboardingPrivacyNoticeViewHolder.LAYOUT_ID)
object OnboardingFinish : AdapterItem(OnboardingFinishViewHolder.LAYOUT_ID)
object OnboardingToolbarPositionPicker :
AdapterItem(OnboardingToolbarPositionPickerViewHolder.LAYOUT_ID)
object OnboardingWhatsNew : AdapterItem(OnboardingWhatsNewViewHolder.LAYOUT_ID)
/**
* True if this item represents the same value as other. Used by [AdapterItemDiffCallback].
*/
open fun sameAs(other: AdapterItem) = this::class == other::class
/**
* Returns a payload if there's been a change, or null if not
*/
open fun getChangePayload(newItem: AdapterItem): Any? = null
open fun contentsSameAs(other: AdapterItem) = this::class == other::class
}
class AdapterItemDiffCallback : DiffUtil.ItemCallback<AdapterItem>() {
override fun areItemsTheSame(oldItem: AdapterItem, newItem: AdapterItem) =
oldItem.sameAs(newItem)
@Suppress("DiffUtilEquals")
override fun areContentsTheSame(oldItem: AdapterItem, newItem: AdapterItem) =
oldItem.contentsSameAs(newItem)
override fun getChangePayload(oldItem: AdapterItem, newItem: AdapterItem): Any? {
return oldItem.getChangePayload(newItem) ?: return super.getChangePayload(oldItem, newItem)
}
}
class SessionControlAdapter(
private val interactor: SessionControlInteractor,
private val viewLifecycleOwner: LifecycleOwner,
private val components: Components
) : ListAdapter<AdapterItem, RecyclerView.ViewHolder>(AdapterItemDiffCallback()) {
// This method triggers the ComplexMethod lint error when in fact it's quite simple.
@SuppressWarnings("ComplexMethod")
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
val view = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
return when (viewType) {
ButtonTipViewHolder.LAYOUT_ID -> ButtonTipViewHolder(view, interactor)
TopSiteViewHolder.LAYOUT_ID -> TopSiteViewHolder(view, interactor)
PrivateBrowsingDescriptionViewHolder.LAYOUT_ID -> PrivateBrowsingDescriptionViewHolder(
view,
interactor
)
NoCollectionsMessageViewHolder.LAYOUT_ID ->
NoCollectionsMessageViewHolder(
view,
viewLifecycleOwner,
components.core.store,
interactor
)
CollectionHeaderViewHolder.LAYOUT_ID -> CollectionHeaderViewHolder(view)
CollectionViewHolder.LAYOUT_ID -> CollectionViewHolder(view, interactor)
TabInCollectionViewHolder.LAYOUT_ID -> TabInCollectionViewHolder(
view,
interactor,
differentLastItem = true
)
OnboardingHeaderViewHolder.LAYOUT_ID -> OnboardingHeaderViewHolder(view)
OnboardingSectionHeaderViewHolder.LAYOUT_ID -> OnboardingSectionHeaderViewHolder(view)
OnboardingAutomaticSignInViewHolder.LAYOUT_ID -> OnboardingAutomaticSignInViewHolder(
view
)
OnboardingManualSignInViewHolder.LAYOUT_ID -> OnboardingManualSignInViewHolder(view)
OnboardingThemePickerViewHolder.LAYOUT_ID -> OnboardingThemePickerViewHolder(view)
OnboardingTrackingProtectionViewHolder.LAYOUT_ID -> OnboardingTrackingProtectionViewHolder(
view
)
OnboardingPrivateBrowsingViewHolder.LAYOUT_ID -> OnboardingPrivateBrowsingViewHolder(
view,
interactor
)
OnboardingPrivacyNoticeViewHolder.LAYOUT_ID -> OnboardingPrivacyNoticeViewHolder(
view,
interactor
)
OnboardingFinishViewHolder.LAYOUT_ID -> OnboardingFinishViewHolder(view, interactor)
OnboardingWhatsNewViewHolder.LAYOUT_ID -> OnboardingWhatsNewViewHolder(view, interactor)
OnboardingToolbarPositionPickerViewHolder.LAYOUT_ID -> OnboardingToolbarPositionPickerViewHolder(
view
)
else -> throw IllegalStateException()
}
}
override fun getItemViewType(position: Int) = getItem(position).viewType
@SuppressWarnings("ComplexMethod")
override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
val item = getItem(position)
when (holder) {
is ButtonTipViewHolder -> {
val tipItem = item as AdapterItem.TipItem
holder.bind(tipItem.tip)
}
is TopSiteViewHolder -> {
holder.bind((item as AdapterItem.TopSiteList).topSites)
}
is CollectionViewHolder -> {
val (collection, expanded) = item as AdapterItem.CollectionItem
holder.bindSession(collection, expanded)
}
is TabInCollectionViewHolder -> {
val (collection, tab, isLastTab) = item as AdapterItem.TabInCollectionItem
holder.bindSession(collection, tab, isLastTab)
}
is OnboardingSectionHeaderViewHolder -> holder.bind(
(item as AdapterItem.OnboardingSectionHeader).labelBuilder
)
is OnboardingManualSignInViewHolder -> holder.bind()
is OnboardingAutomaticSignInViewHolder -> holder.bind(
(item as AdapterItem.OnboardingAutomaticSignIn).state.withAccount
)
}
}
}