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TrayPagerAdapter.kt
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TrayPagerAdapter.kt
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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.tabstray
import android.content.Context
import android.view.LayoutInflater
import android.view.ViewGroup
import androidx.annotation.VisibleForTesting
import androidx.recyclerview.widget.ConcatAdapter
import androidx.recyclerview.widget.RecyclerView
import mozilla.components.browser.state.store.BrowserStore
import org.mozilla.fenix.R
import org.mozilla.fenix.sync.SyncedTabsAdapter
import org.mozilla.fenix.tabstray.browser.BrowserTabsAdapter
import org.mozilla.fenix.tabstray.browser.BrowserTrayInteractor
import org.mozilla.fenix.tabstray.browser.TitleHeaderAdapter
import org.mozilla.fenix.tabstray.browser.InactiveTabsAdapter
import org.mozilla.fenix.tabstray.browser.TabGroupAdapter
import org.mozilla.fenix.tabstray.syncedtabs.TabClickDelegate
import org.mozilla.fenix.tabstray.viewholders.AbstractPageViewHolder
import org.mozilla.fenix.tabstray.viewholders.NormalBrowserPageViewHolder
import org.mozilla.fenix.tabstray.viewholders.PrivateBrowserPageViewHolder
import org.mozilla.fenix.tabstray.viewholders.SyncedTabsPageViewHolder
class TrayPagerAdapter(
@VisibleForTesting internal val context: Context,
@VisibleForTesting internal val tabsTrayStore: TabsTrayStore,
@VisibleForTesting internal val browserInteractor: BrowserTrayInteractor,
@VisibleForTesting internal val navInteractor: NavigationInteractor,
@VisibleForTesting internal val interactor: TabsTrayInteractor,
@VisibleForTesting internal val browserStore: BrowserStore
) : RecyclerView.Adapter<AbstractPageViewHolder>() {
/**
* ⚠️ N.B: Scrolling to the selected tab depends on the order of these adapters. If you change
* the ordering or add/remove an adapter, please update [NormalBrowserPageViewHolder.scrollToTab] and
* the layout manager.
*/
private val normalAdapter by lazy {
ConcatAdapter(
InactiveTabsAdapter(context, browserInteractor, INACTIVE_TABS_FEATURE_NAME),
TabGroupAdapter(context, browserInteractor, tabsTrayStore, TAB_GROUP_FEATURE_NAME),
TitleHeaderAdapter(browserStore),
BrowserTabsAdapter(context, browserInteractor, tabsTrayStore, TABS_TRAY_FEATURE_NAME)
)
}
private val privateAdapter by lazy {
BrowserTabsAdapter(
context,
browserInteractor,
tabsTrayStore,
TABS_TRAY_FEATURE_NAME
)
}
private val syncedTabsAdapter by lazy {
SyncedTabsAdapter(TabClickDelegate(navInteractor))
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): AbstractPageViewHolder {
val itemView = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
return when (viewType) {
NormalBrowserPageViewHolder.LAYOUT_ID -> {
NormalBrowserPageViewHolder(
itemView,
tabsTrayStore,
browserStore,
interactor
)
}
PrivateBrowserPageViewHolder.LAYOUT_ID -> {
PrivateBrowserPageViewHolder(
itemView,
tabsTrayStore,
browserStore,
interactor
)
}
SyncedTabsPageViewHolder.LAYOUT_ID -> {
SyncedTabsPageViewHolder(
itemView,
tabsTrayStore
)
}
else -> throw IllegalStateException("Unknown viewType.")
}
}
override fun onBindViewHolder(viewHolder: AbstractPageViewHolder, position: Int) {
val adapter = when (position) {
POSITION_NORMAL_TABS -> normalAdapter
POSITION_PRIVATE_TABS -> privateAdapter
POSITION_SYNCED_TABS -> syncedTabsAdapter
else -> throw IllegalStateException("View type does not exist.")
}
viewHolder.bind(adapter)
}
override fun getItemViewType(position: Int): Int {
return when (position) {
POSITION_NORMAL_TABS -> NormalBrowserPageViewHolder.LAYOUT_ID
POSITION_PRIVATE_TABS -> PrivateBrowserPageViewHolder.LAYOUT_ID
POSITION_SYNCED_TABS -> SyncedTabsPageViewHolder.LAYOUT_ID
else -> throw IllegalStateException("Unknown position.")
}
}
override fun getItemCount(): Int = TRAY_TABS_COUNT
companion object {
const val TRAY_TABS_COUNT = 3
// Telemetry keys for identifying from which app features the a was opened / closed.
const val TABS_TRAY_FEATURE_NAME = "Tabs tray"
const val TAB_GROUP_FEATURE_NAME = "Tab group"
const val INACTIVE_TABS_FEATURE_NAME = "Inactive tabs"
val POSITION_NORMAL_TABS = Page.NormalTabs.ordinal
val POSITION_PRIVATE_TABS = Page.PrivateTabs.ordinal
val POSITION_SYNCED_TABS = Page.SyncedTabs.ordinal
}
}