new app layout's room list overhaul (#7101)

vector/src/main/java/im/vector/app/features/home/room/list/home/HomeFilteredRoomsController.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.home.room.list.home.filter
+package im.vector.app.features.home.room.list.home
 
 import com.airbnb.epoxy.EpoxyModel
 import com.airbnb.epoxy.paging.PagedListEpoxyController
@@ -24,11 +24,11 @@ import im.vector.app.features.home.RoomListDisplayMode
 import im.vector.app.features.home.room.list.RoomListListener
 import im.vector.app.features.home.room.list.RoomSummaryItemFactory
 import im.vector.app.features.home.room.list.RoomSummaryItemPlaceHolder_
-import im.vector.app.features.home.room.list.home.roomListEmptyItem
 import org.matrix.android.sdk.api.session.room.members.ChangeMembershipState
 import org.matrix.android.sdk.api.session.room.model.RoomSummary
+import javax.inject.Inject
 
-class HomeFilteredRoomsController(
+class HomeFilteredRoomsController @Inject constructor(
         private val roomSummaryItemFactory: RoomSummaryItemFactory,
 ) : PagedListEpoxyController<RoomSummary>(
         // Important it must match the PageList builder notify Looper
@@ -43,22 +43,11 @@ class HomeFilteredRoomsController(
         }
 
     var listener: RoomListListener? = null
-    var onFilterChanged: ((HomeRoomFilter) -> Unit)? = null
 
-    private var filtersData: List<HomeRoomFilter>? = null
     private var emptyStateData: StateView.State.Empty? = null
     private var currentState: StateView.State = StateView.State.Content
 
     override fun addModels(models: List<EpoxyModel<*>>) {
-        val host = this
-        if (host.filtersData != null) {
-            roomFilterHeaderItem {
-                id("filter_header")
-                filtersData(host.filtersData)
-                onFilterChangedListener(host.onFilterChanged)
-            }
-        }
-
         if (models.isEmpty() && emptyStateData != null) {
             emptyStateData?.let { emptyState ->
                 roomListEmptyItem {
@@ -77,10 +66,6 @@ class HomeFilteredRoomsController(
         this.emptyStateData = state
     }
 
-    fun submitFiltersData(data: List<HomeRoomFilter>?) {
-        this.filtersData = data
-        requestForcedModelBuild()
-    }
     override fun buildItemModel(currentPosition: Int, item: RoomSummary?): EpoxyModel<*> {
         item ?: return RoomSummaryItemPlaceHolder_().apply { id(currentPosition) }
         return roomSummaryItemFactory.create(item, roomChangeMembershipStates.orEmpty(), emptySet(), RoomListDisplayMode.ROOMS, listener)

vector/src/main/java/im/vector/app/features/home/room/list/home/HomeRoomListAction.kt

@@ -17,7 +17,7 @@
 package im.vector.app.features.home.room.list.home
 
 import im.vector.app.core.platform.VectorViewModelAction
-import im.vector.app.features.home.room.list.home.filter.HomeRoomFilter
+import im.vector.app.features.home.room.list.home.header.HomeRoomFilter
 import org.matrix.android.sdk.api.session.room.model.RoomSummary
 import org.matrix.android.sdk.api.session.room.notification.RoomNotificationState
 

vector/src/main/java/im/vector/app/features/home/room/list/home/HomeRoomListFragment.kt

@@ -25,7 +25,6 @@ import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.ConcatAdapter
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import com.airbnb.epoxy.EpoxyControllerAdapter
 import com.airbnb.epoxy.OnModelBuildFinishedListener
 import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
@@ -41,15 +40,12 @@ import im.vector.app.databinding.FragmentRoomListBinding
 import im.vector.app.features.analytics.plan.ViewRoom
 import im.vector.app.features.home.room.list.RoomListAnimator
 import im.vector.app.features.home.room.list.RoomListListener
-import im.vector.app.features.home.room.list.RoomSummaryItemFactory
 import im.vector.app.features.home.room.list.actions.RoomListQuickActionsBottomSheet
 import im.vector.app.features.home.room.list.actions.RoomListQuickActionsSharedAction
 import im.vector.app.features.home.room.list.actions.RoomListQuickActionsSharedActionViewModel
-import im.vector.app.features.home.room.list.home.filter.HomeFilteredRoomsController
+import im.vector.app.features.home.room.list.home.header.HomeRoomFilter
-import im.vector.app.features.home.room.list.home.filter.HomeRoomFilter
+import im.vector.app.features.home.room.list.home.header.HomeRoomsHeadersController
 import im.vector.app.features.home.room.list.home.invites.InvitesActivity
-import im.vector.app.features.home.room.list.home.invites.InvitesCounterController
-import im.vector.app.features.home.room.list.home.recent.RecentRoomCarouselController
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import org.matrix.android.sdk.api.session.room.model.RoomSummary
@@ -63,10 +59,9 @@ class HomeRoomListFragment :
         VectorBaseFragment<FragmentRoomListBinding>(),
         RoomListListener {
 
-    @Inject lateinit var roomSummaryItemFactory: RoomSummaryItemFactory
     @Inject lateinit var userPreferencesProvider: UserPreferencesProvider
-    @Inject lateinit var recentRoomCarouselController: RecentRoomCarouselController
+    @Inject lateinit var headersController: HomeRoomsHeadersController
-    @Inject lateinit var invitesCounterController: InvitesCounterController
+    @Inject lateinit var roomsController: HomeFilteredRoomsController
 
     private val roomListViewModel: HomeRoomListViewModel by fragmentViewModel()
     private lateinit var sharedQuickActionsViewModel: RoomListQuickActionsSharedActionViewModel
@@ -143,10 +138,25 @@ class HomeRoomListFragment :
 
         modelBuildListener = OnModelBuildFinishedListener { it.dispatchTo(stateRestorer) }
 
-        roomListViewModel.sections.onEach { sections ->
+        roomListViewModel.onEach(HomeRoomListViewState::headersData) {
-            setUpAdapters(sections)
+            headersController.submitData(it)
+        }
+
+        roomListViewModel.onEach(HomeRoomListViewState::roomsLivePagedList) { roomsListLive ->
+            roomsListLive?.observe(viewLifecycleOwner) { roomsList ->
+                roomsController.submitList(roomsList)
+                if (roomsList.isEmpty()) {
+                    roomsController.requestForcedModelBuild()
+                }
+            }
+        }
+
+        roomListViewModel.emptyStateFlow.onEach { emptyStateOptional ->
+            roomsController.submitEmptyStateData(emptyStateOptional.getOrNull())
         }.launchIn(lifecycleScope)
 
+        setUpAdapters()
+
         views.roomListView.adapter = concatAdapter
 
         // we need to force scroll when recents/filter tabs are added to make them visible
@@ -163,13 +173,20 @@ class HomeRoomListFragment :
         views.stateView.state = state.state
     }
 
-    private fun setUpAdapters(sections: Set<HomeRoomSection>) {
+    private fun setUpAdapters() {
-        concatAdapter.adapters.forEach {
+        val headersAdapter = headersController.also { controller ->
-            concatAdapter.removeAdapter(it)
+            controller.invitesClickListener = ::onInvitesCounterClicked
-        }
+            controller.onFilterChangedListener = ::onRoomFilterChanged
-        sections.forEach {
+            controller.recentsRoomListener = this
-            concatAdapter.addAdapter(getAdapterForData(it))
+        }.adapter
-        }
+
+        val roomsAdapter = roomsController
+                .also { controller ->
+                    controller.listener = this
+                }.adapter
+
+        concatAdapter.addAdapter(headersAdapter)
+        concatAdapter.addAdapter(roomsAdapter)
     }
 
     private fun promptLeaveRoom(roomId: String) {
@@ -191,43 +208,6 @@ class HomeRoomListFragment :
                 .show()
     }
 
-    private fun getAdapterForData(section: HomeRoomSection): EpoxyControllerAdapter {
-        return when (section) {
-            is HomeRoomSection.RoomSummaryData -> {
-                HomeFilteredRoomsController(
-                        roomSummaryItemFactory,
-                ).also { controller ->
-                    controller.listener = this
-                    controller.onFilterChanged = ::onRoomFilterChanged
-                    roomListViewModel.emptyStateFlow.onEach { emptyStateOptional ->
-                        controller.submitEmptyStateData(emptyStateOptional.getOrNull())
-                    }.launchIn(lifecycleScope)
-                    section.filtersData.onEach {
-                        controller.submitFiltersData(it.getOrNull())
-                    }.launchIn(lifecycleScope)
-                    section.list.observe(viewLifecycleOwner) { list ->
-                        controller.submitList(list)
-                        if (list.isEmpty()) {
-                            controller.requestForcedModelBuild()
-                        }
-                    }
-                }.adapter
-            }
-            is HomeRoomSection.RecentRoomsData -> recentRoomCarouselController.also { controller ->
-                controller.listener = this
-                section.list.observe(viewLifecycleOwner) { list ->
-                    controller.submitList(list)
-                }
-            }.adapter
-            is HomeRoomSection.InvitesCountData -> invitesCounterController.also { controller ->
-                controller.clickListener = ::onInvitesCounterClicked
-                section.count.observe(viewLifecycleOwner) { count ->
-                    controller.submitData(count)
-                }
-            }.adapter
-        }
-    }
-
     private fun onInvitesCounterClicked() {
         startActivity(Intent(activity, InvitesActivity::class.java))
     }
@@ -247,8 +227,13 @@ class HomeRoomListFragment :
 
     override fun onDestroyView() {
         views.roomListView.cleanup()
-        recentRoomCarouselController.listener = null
+
-        invitesCounterController.clickListener = null
+        headersController.recentsRoomListener = null
+        headersController.invitesClickListener = null
+        headersController.onFilterChangedListener = null
+
+        roomsController.listener = null
+
         super.onDestroyView()
     }
 
@@ -266,21 +251,13 @@ class HomeRoomListFragment :
         return true
     }
 
-    override fun onRejectRoomInvitation(room: RoomSummary) {
+    override fun onRejectRoomInvitation(room: RoomSummary) = Unit
-        TODO("Not yet implemented")
-    }
 
-    override fun onAcceptRoomInvitation(room: RoomSummary) {
+    override fun onAcceptRoomInvitation(room: RoomSummary) = Unit
-        TODO("Not yet implemented")
-    }
 
-    override fun onJoinSuggestedRoom(room: SpaceChildInfo) {
+    override fun onJoinSuggestedRoom(room: SpaceChildInfo) = Unit
-        TODO("Not yet implemented")
-    }
 
-    override fun onSuggestedRoomClicked(room: SpaceChildInfo) {
+    override fun onSuggestedRoomClicked(room: SpaceChildInfo) = Unit
-        TODO("Not yet implemented")
-    }
 
     // endregion
 }

vector/src/main/java/im/vector/app/features/home/room/list/home/HomeRoomListViewModel.kt

@@ -17,8 +17,8 @@
 package im.vector.app.features.home.room.list.home
 
 import android.widget.ImageView
-import androidx.lifecycle.map
 import androidx.paging.PagedList
+import arrow.core.Option
 import arrow.core.toOption
 import com.airbnb.mvrx.MavericksViewModelFactory
 import dagger.assisted.Assisted
@@ -32,22 +32,22 @@ import im.vector.app.core.platform.StateView
 import im.vector.app.core.platform.VectorViewModel
 import im.vector.app.core.resources.DrawableProvider
 import im.vector.app.core.resources.StringProvider
-import im.vector.app.features.home.room.list.home.filter.HomeRoomFilter
+import im.vector.app.features.home.room.list.home.header.HomeRoomFilter
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
-import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.onStart
 import kotlinx.coroutines.launch
 import org.matrix.android.sdk.api.extensions.orFalse
-import org.matrix.android.sdk.api.query.QueryStringValue
 import org.matrix.android.sdk.api.query.RoomCategoryFilter
 import org.matrix.android.sdk.api.query.RoomTagQueryFilter
 import org.matrix.android.sdk.api.query.toActiveSpaceOrNoFilter
@@ -80,6 +80,7 @@ class HomeRoomListViewModel @AssistedInject constructor(
 
     companion object : MavericksViewModelFactory<HomeRoomListViewModel, HomeRoomListViewState> by hiltMavericksViewModelFactory()
 
+    private var roomsFlow: Flow<Option<RoomSummary>>? = null
     private val pagedListConfig = PagedList.Config.Builder()
             .setPageSize(10)
             .setInitialLoadSizeHint(20)
@@ -87,9 +88,6 @@ class HomeRoomListViewModel @AssistedInject constructor(
             .setPrefetchDistance(10)
             .build()
 
-    private val _sections = MutableSharedFlow<Set<HomeRoomSection>>(replay = 1)
-    val sections = _sections.asSharedFlow()
-
     private var currentFilter: HomeRoomFilter = HomeRoomFilter.ALL
     private val _emptyStateFlow = MutableSharedFlow<Optional<StateView.State.Empty>>(replay = 1)
     val emptyStateFlow = _emptyStateFlow.asSharedFlow()
@@ -97,118 +95,77 @@ class HomeRoomListViewModel @AssistedInject constructor(
     private var filteredPagedRoomSummariesLive: UpdatableLivePageResult? = null
 
     init {
-        configureSections()
+        observeOrderPreferences()
-        observePreferences()
+        observeInvites()
+        observeRecents()
+        observeFilterTabs()
+        observeRooms()
     }
 
-    private fun observePreferences() {
+    private fun observeInvites() {
-        preferencesStore.areRecentsEnabledFlow.onEach {
+        session.flow()
-            configureSections()
+                .liveRoomSummaries(
-        }.launchIn(viewModelScope)
+                        roomSummaryQueryParams {
-
+                            memberships = listOf(Membership.INVITE)
-        preferencesStore.isAZOrderingEnabledFlow.onEach {
+                        },
-            configureSections()
+                        RoomSortOrder.ACTIVITY
+                ).onEach { list ->
+                    setState { copy(headersData = headersData.copy(invitesCount = list.size)) }
                 }.launchIn(viewModelScope)
     }
 
-    private fun configureSections() = viewModelScope.launch {
+    private fun observeRecents() {
-        val newSections = mutableSetOf<HomeRoomSection>()
+        preferencesStore.areRecentsEnabledFlow
-        newSections.add(getInvitesCountSection())
+                .distinctUntilChanged()
-
+                .flatMapLatest { areEnabled ->
-        val areSettingsEnabled = preferencesStore.areRecentsEnabledFlow.first()
+                    if (areEnabled) {
-        if (areSettingsEnabled) {
+                        session.flow()
-            newSections.add(getRecentRoomsSection())
+                                .liveBreadcrumbs(roomSummaryQueryParams {
-        }
-        newSections.add(getFilteredRoomsSection())
-
-        emitEmptyState()
-        _sections.emit(newSections)
-
-        setState {
-            copy(state = StateView.State.Content)
-        }
-    }
-
-    private fun getRecentRoomsSection(): HomeRoomSection {
-        val liveList = session.roomService()
-                .getBreadcrumbsLive(roomSummaryQueryParams {
-                    displayName = QueryStringValue.NoCondition
                                     memberships = listOf(Membership.JOIN)
                                 })
-
+                                .map { Optional.from(it) }
-        return HomeRoomSection.RecentRoomsData(
-                list = liveList
-        )
-    }
-
-    private fun getInvitesCountSection(): HomeRoomSection.InvitesCountData {
-        val builder = RoomSummaryQueryParams.Builder().also {
-            it.memberships = listOf(Membership.INVITE)
-        }
-
-        val liveCount = session.roomService().getRoomSummariesLive(
-                builder.build(),
-                RoomSortOrder.ACTIVITY
-        ).map { it.count() }
-
-        return HomeRoomSection.InvitesCountData(liveCount)
-    }
-
-    private suspend fun getFilteredRoomsSection(): HomeRoomSection.RoomSummaryData {
-        val builder = RoomSummaryQueryParams.Builder().also {
-            it.memberships = listOf(Membership.JOIN)
-        }
-
-        val params = getFilteredQueryParams(HomeRoomFilter.ALL, builder.build())
-        val sortOrder = if (preferencesStore.isAZOrderingEnabledFlow.first()) {
-            RoomSortOrder.NAME
                     } else {
-            RoomSortOrder.ACTIVITY
+                        flow { emit(Optional.empty()) }
+                    }.onEach { listOptional ->
+                        setState { copy(headersData = headersData.copy(recents = listOptional.getOrNull())) }
                     }
-
-        val liveResults = session.roomService().getFilteredPagedRoomSummariesLive(
-                params,
-                pagedListConfig,
-                sortOrder
-        ).also {
-            this.filteredPagedRoomSummariesLive = it
-        }
-
-        spaceStateHandler.getSelectedSpaceFlow()
-                .distinctUntilChanged()
-                .onStart {
-                    emit(spaceStateHandler.getCurrentSpace().toOption())
-                }
-                .onEach { selectedSpaceOption ->
-                    val selectedSpace = selectedSpaceOption.orNull()
-                    liveResults.queryParams = liveResults.queryParams.copy(
-                            spaceFilter = selectedSpace?.roomId.toActiveSpaceOrNoFilter()
-                    )
-                    emitEmptyState()
                 }.launchIn(viewModelScope)
+    }
 
-        return HomeRoomSection.RoomSummaryData(
+    private fun observeFilterTabs() {
-                list = liveResults.livePagedList,
+        preferencesStore.areFiltersEnabledFlow
-                filtersData = getFiltersDataFlow()
+                .distinctUntilChanged()
+                .flatMapLatest { areEnabled ->
+                    if (areEnabled) {
+                        getFilterTabsFlow()
+                    } else {
+                        flow { emit(Optional.empty()) }
+                    }.onEach { filtersOptional ->
+                        setState {
+                            validateCurrentFilter(filtersOptional.getOrNull())
+                            copy(
+                                    headersData = headersData.copy(
+                                            filtersList = filtersOptional.getOrNull(),
+                                            currentFilter = currentFilter
+                                    )
                             )
                         }
+                    }
+                }.launchIn(viewModelScope)
+    }
 
-    private fun emitEmptyState() {
+    private fun validateCurrentFilter(filtersList: List<HomeRoomFilter>?) {
-        viewModelScope.launch {
+        if (filtersList?.contains(currentFilter) != true) {
-            val emptyState = getEmptyStateData(currentFilter, spaceStateHandler.getCurrentSpace())
+            handleChangeRoomFilter(HomeRoomFilter.ALL)
-            _emptyStateFlow.emit(Optional.from(emptyState))
         }
     }
 
-    private fun getFiltersDataFlow(): SharedFlow<Optional<List<HomeRoomFilter>>> {
+    private fun getFilterTabsFlow(): Flow<Optional<MutableList<HomeRoomFilter>>> {
-        val flow = MutableSharedFlow<Optional<List<HomeRoomFilter>>>(replay = 1)
-
         val spaceFLow = spaceStateHandler.getSelectedSpaceFlow()
                 .distinctUntilChanged()
                 .onStart {
                     emit(spaceStateHandler.getCurrentSpace().toOption())
                 }
-
         val favouritesFlow =
                 spaceFLow.flatMapLatest { selectedSpace ->
                     session.flow()
@@ -236,10 +193,9 @@ class HomeRoomListViewModel @AssistedInject constructor(
                         .map { it.isNotEmpty() }
                         .distinctUntilChanged()
 
-        combine(favouritesFlow, dmsFLow, preferencesStore.areFiltersEnabledFlow) { hasFavourite, hasDm, areFiltersEnabled ->
+        return combine(favouritesFlow, dmsFLow) { hasFavourite, hasDm ->
-            Triple(hasFavourite, hasDm, areFiltersEnabled)
+            hasFavourite to hasDm
-        }.onEach { (hasFavourite, hasDm, areFiltersEnabled) ->
+        }.map { (hasFavourite, hasDm) ->
-            if (areFiltersEnabled) {
             val filtersData = mutableListOf(
                     HomeRoomFilter.ALL,
                     HomeRoomFilter.UNREADS
@@ -254,13 +210,59 @@ class HomeRoomListViewModel @AssistedInject constructor(
                         HomeRoomFilter.PEOPlE
                 )
             }
-                flow.emit(Optional.from(filtersData))
+            Optional.from(filtersData)
-            } else {
+        }
-                flow.emit(Optional.empty())
     }
-        }.launchIn(viewModelScope)
 
-        return flow
+    private fun observeRooms() = viewModelScope.launch {
+        val builder = RoomSummaryQueryParams.Builder().also {
+            it.memberships = listOf(Membership.JOIN)
+        }
+
+        val params = getFilteredQueryParams(currentFilter, builder.build())
+        val sortOrder = if (preferencesStore.isAZOrderingEnabledFlow.first()) {
+            RoomSortOrder.NAME
+        } else {
+            RoomSortOrder.ACTIVITY
+        }
+
+        val liveResults = session.roomService().getFilteredPagedRoomSummariesLive(
+                params,
+                pagedListConfig,
+                sortOrder
+        ).also {
+            filteredPagedRoomSummariesLive = it
+        }
+
+        spaceStateHandler.getSelectedSpaceFlow()
+                .distinctUntilChanged()
+                .onStart {
+                    emit(spaceStateHandler.getCurrentSpace().toOption())
+                }
+                .onEach { selectedSpaceOption ->
+                    val selectedSpace = selectedSpaceOption.orNull()
+                    liveResults.queryParams = liveResults.queryParams.copy(
+                            spaceFilter = selectedSpace?.roomId.toActiveSpaceOrNoFilter()
+                    )
+                    emitEmptyState()
+                }
+                .also { roomsFlow = it }
+                .launchIn(viewModelScope)
+
+        setState { copy(roomsLivePagedList = liveResults.livePagedList) }
+    }
+
+    private fun observeOrderPreferences() {
+        preferencesStore.isAZOrderingEnabledFlow.onEach {
+            observeRooms()
+        }.launchIn(viewModelScope)
+    }
+
+    private fun emitEmptyState() {
+        viewModelScope.launch {
+            val emptyState = getEmptyStateData(currentFilter, spaceStateHandler.getCurrentSpace())
+            _emptyStateFlow.emit(Optional.from(emptyState))
+        }
     }
 
     private fun getFilteredQueryParams(filter: HomeRoomFilter, currentParams: RoomSummaryQueryParams): RoomSummaryQueryParams {
@@ -323,16 +325,20 @@ class HomeRoomListViewModel @AssistedInject constructor(
             is HomeRoomListAction.LeaveRoom -> handleLeaveRoom(action)
             is HomeRoomListAction.ChangeRoomNotificationState -> handleChangeNotificationMode(action)
             is HomeRoomListAction.ToggleTag -> handleToggleTag(action)
-            is HomeRoomListAction.ChangeRoomFilter -> handleChangeRoomFilter(action)
+            is HomeRoomListAction.ChangeRoomFilter -> handleChangeRoomFilter(action.filter)
         }
     }
 
-    private fun handleChangeRoomFilter(action: HomeRoomListAction.ChangeRoomFilter) {
+    private fun handleChangeRoomFilter(newFilter: HomeRoomFilter) {
-        currentFilter = action.filter
+        if (currentFilter == newFilter) {
+            return
+        }
+        currentFilter = newFilter
         filteredPagedRoomSummariesLive?.let { liveResults ->
-            liveResults.queryParams = getFilteredQueryParams(action.filter, liveResults.queryParams)
+            liveResults.queryParams = getFilteredQueryParams(currentFilter, liveResults.queryParams)
         }
 
+        setState { copy(headersData = headersData.copy(currentFilter = currentFilter)) }
         emitEmptyState()
     }
 

vector/src/main/java/im/vector/app/features/home/room/list/home/HomeRoomListViewState.kt

@@ -16,9 +16,15 @@
 
 package im.vector.app.features.home.room.list.home
 
+import androidx.lifecycle.LiveData
+import androidx.paging.PagedList
 import com.airbnb.mvrx.MavericksState
 import im.vector.app.core.platform.StateView
+import im.vector.app.features.home.room.list.home.header.RoomsHeadersData
+import org.matrix.android.sdk.api.session.room.model.RoomSummary
 
 data class HomeRoomListViewState(
-        val state: StateView.State = StateView.State.Loading
+        val state: StateView.State = StateView.State.Content,
+        val headersData: RoomsHeadersData = RoomsHeadersData(),
+        val roomsLivePagedList: LiveData<PagedList<RoomSummary>>? = null
 ) : MavericksState

vector/src/main/java/im/vector/app/features/home/room/list/home/HomeRoomSection.kt

@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2022 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.app.features.home.room.list.home
-
-import androidx.lifecycle.LiveData
-import androidx.paging.PagedList
-import im.vector.app.features.home.room.list.home.filter.HomeRoomFilter
-import kotlinx.coroutines.flow.SharedFlow
-import org.matrix.android.sdk.api.session.room.model.RoomSummary
-import org.matrix.android.sdk.api.util.Optional
-
-sealed class HomeRoomSection {
-    data class RoomSummaryData(
-            val list: LiveData<PagedList<RoomSummary>>,
-            val filtersData: SharedFlow<Optional<List<HomeRoomFilter>>>,
-    ) : HomeRoomSection()
-
-    data class RecentRoomsData(
-            val list: LiveData<List<RoomSummary>>
-    ) : HomeRoomSection()
-
-    data class InvitesCountData(
-            val count: LiveData<Int>
-    ) : HomeRoomSection()
-}

vector/src/main/java/im/vector/app/features/home/room/list/home/header/HomeRoomFilter.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.home.room.list.home.filter
+package im.vector.app.features.home.room.list.home.header
 
 import androidx.annotation.StringRes
 import im.vector.app.R

vector/src/main/java/im/vector/app/features/home/room/list/home/header/HomeRoomsHeadersController.kt

@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2022 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.home.room.list.home.header
+
+import android.content.res.Resources
+import android.util.TypedValue
+import com.airbnb.epoxy.Carousel
+import com.airbnb.epoxy.CarouselModelBuilder
+import com.airbnb.epoxy.EpoxyController
+import com.airbnb.epoxy.EpoxyModel
+import com.airbnb.epoxy.carousel
+import com.google.android.material.color.MaterialColors
+import im.vector.app.R
+import im.vector.app.core.resources.StringProvider
+import im.vector.app.features.home.AvatarRenderer
+import im.vector.app.features.home.room.list.RoomListListener
+import org.matrix.android.sdk.api.session.room.model.RoomSummary
+import org.matrix.android.sdk.api.util.toMatrixItem
+import javax.inject.Inject
+
+class HomeRoomsHeadersController @Inject constructor(
+        val stringProvider: StringProvider,
+        private val avatarRenderer: AvatarRenderer,
+        resources: Resources,
+) : EpoxyController() {
+
+    private var data: RoomsHeadersData = RoomsHeadersData()
+
+    var onFilterChangedListener: ((HomeRoomFilter) -> Unit)? = null
+    var recentsRoomListener: RoomListListener? = null
+    var invitesClickListener: (() -> Unit)? = null
+
+    private val recentsHPadding = TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP,
+            4f,
+            resources.displayMetrics
+    ).toInt()
+
+    private val recentsTopPadding = TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP,
+            12f,
+            resources.displayMetrics
+    ).toInt()
+
+    override fun buildModels() {
+        val host = this
+        if (data.invitesCount != 0) {
+            addInviteCounter(host.invitesClickListener, data.invitesCount)
+        }
+
+        data.recents?.let {
+            addRecents(host, it)
+        }
+
+        host.data.filtersList?.let {
+            addRoomFilterHeaderItem(host.onFilterChangedListener, it, host.data.currentFilter)
+        }
+    }
+
+    private fun addInviteCounter(invitesClickListener: (() -> Unit)?, invitesCount: Int) {
+        inviteCounterItem {
+            id("invites_counter")
+            invitesCount(invitesCount)
+            listener { invitesClickListener?.invoke() }
+        }
+    }
+
+    private fun addRecents(host: HomeRoomsHeadersController, recents: List<RoomSummary>) {
+        carousel {
+            id("recents_carousel")
+            padding(
+                    Carousel.Padding(
+                            host.recentsHPadding,
+                            host.recentsTopPadding,
+                            host.recentsHPadding,
+                            0,
+                            0,
+                    )
+            )
+            onBind { _, view, _ ->
+                val colorSurface = MaterialColors.getColor(view, R.attr.vctr_toolbar_background)
+                view.setBackgroundColor(colorSurface)
+            }
+            withModelsFrom(recents) { roomSummary ->
+                val onClick = host.recentsRoomListener?.let { it::onRoomClicked }
+                val onLongClick = host.recentsRoomListener?.let { it::onRoomLongClicked }
+
+                RecentRoomItem_()
+                        .id(roomSummary.roomId)
+                        .avatarRenderer(host.avatarRenderer)
+                        .matrixItem(roomSummary.toMatrixItem())
+                        .unreadNotificationCount(roomSummary.notificationCount)
+                        .showHighlighted(roomSummary.highlightCount > 0)
+                        .itemLongClickListener { _ -> onLongClick?.invoke(roomSummary) ?: false }
+                        .itemClickListener { onClick?.invoke(roomSummary) }
+            }
+        }
+    }
+
+    private fun addRoomFilterHeaderItem(
+            filterChangedListener: ((HomeRoomFilter) -> Unit)?,
+            filtersList: List<HomeRoomFilter>,
+            currentFilter: HomeRoomFilter?,
+    ) {
+        roomFilterHeaderItem {
+            id("filter_header")
+            filtersData(filtersList)
+            selectedFilter(currentFilter)
+            onFilterChangedListener(filterChangedListener)
+        }
+    }
+
+    fun submitData(data: RoomsHeadersData) {
+        this.data = data
+        requestModelBuild()
+    }
+}
+
+private inline fun <T> CarouselModelBuilder.withModelsFrom(
+        items: List<T>,
+        modelBuilder: (T) -> EpoxyModel<*>
+) {
+    models(items.map { modelBuilder(it) })
+}

vector/src/main/java/im/vector/app/features/home/room/list/home/header/InviteCounterItem.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.home.room.list.home.invites
+package im.vector.app.features.home.room.list.home.header
 
 import com.airbnb.epoxy.EpoxyAttribute
 import com.airbnb.epoxy.EpoxyModelClass

vector/src/main/java/im/vector/app/features/home/room/list/home/header/RecentRoomItem.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.home.room.list.home.recent
+package im.vector.app.features.home.room.list.home.header
 
 import android.view.HapticFeedbackConstants
 import android.view.View

vector/src/main/java/im/vector/app/features/home/room/list/home/header/RoomFilterHeaderItem.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package im.vector.app.features.home.room.list.home.filter
+package im.vector.app.features.home.room.list.home.header
 
 import com.airbnb.epoxy.EpoxyAttribute
 import com.airbnb.epoxy.EpoxyModelClass
@@ -32,13 +32,20 @@ abstract class RoomFilterHeaderItem : VectorEpoxyModel<RoomFilterHeaderItem.Hold
     @EpoxyAttribute
     var filtersData: List<HomeRoomFilter>? = null
 
+    @EpoxyAttribute
+    var selectedFilter: HomeRoomFilter? = null
+
     override fun bind(holder: Holder) {
         super.bind(holder)
         with(holder.tabLayout) {
             removeAllTabs()
+            clearOnTabSelectedListeners()
 
             filtersData?.forEach { filter ->
-                addTab(newTab().setText(filter.titleRes).setTag(filter))
+                addTab(
+                        newTab().setText(filter.titleRes).setTag(filter),
+                        filter == (selectedFilter ?: HomeRoomFilter.ALL)
+                )
             }
 
             addOnTabSelectedListener(object : TabLayout.OnTabSelectedListener {

vector/src/main/java/im/vector/app/features/home/room/list/home/header/RoomsHeadersData.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2022 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.home.room.list.home.header
+
+import org.matrix.android.sdk.api.session.room.model.RoomSummary
+
+data class RoomsHeadersData(
+        val invitesCount: Int = 0,
+        val filtersList: List<HomeRoomFilter>? = null,
+        val currentFilter: HomeRoomFilter? = null,
+        val recents: List<RoomSummary>? = null
+)

vector/src/main/java/im/vector/app/features/home/room/list/home/invites/InvitesCounterController.kt

@@ -1,45 +0,0 @@
-/*
- * Copyright (c) 2022 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.app.features.home.room.list.home.invites
-
-import com.airbnb.epoxy.EpoxyController
-import im.vector.app.core.resources.StringProvider
-import javax.inject.Inject
-
-class InvitesCounterController @Inject constructor(
-        val stringProvider: StringProvider
-) : EpoxyController() {
-
-    private var count = 0
-    var clickListener: (() -> Unit)? = null
-
-    override fun buildModels() {
-        val host = this
-        if (count != 0) {
-            inviteCounterItem {
-                id("invites_counter")
-                invitesCount(host.count)
-                listener { host.clickListener?.invoke() }
-            }
-        }
-    }
-
-    fun submitData(count: Int?) {
-        this.count = count ?: 0
-        requestModelBuild()
-    }
-}

vector/src/main/java/im/vector/app/features/home/room/list/home/recent/RecentRoomCarouselController.kt

@@ -1,99 +0,0 @@
-/*
- * Copyright (c) 2022 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.app.features.home.room.list.home.recent
-
-import android.content.res.Resources
-import android.util.TypedValue
-import com.airbnb.epoxy.Carousel
-import com.airbnb.epoxy.CarouselModelBuilder
-import com.airbnb.epoxy.EpoxyController
-import com.airbnb.epoxy.EpoxyModel
-import com.airbnb.epoxy.carousel
-import com.google.android.material.color.MaterialColors
-import im.vector.app.R
-import im.vector.app.features.home.AvatarRenderer
-import im.vector.app.features.home.room.list.RoomListListener
-import org.matrix.android.sdk.api.session.room.model.RoomSummary
-import org.matrix.android.sdk.api.util.toMatrixItem
-import javax.inject.Inject
-
-class RecentRoomCarouselController @Inject constructor(
-        private val avatarRenderer: AvatarRenderer,
-        private val resources: Resources,
-) : EpoxyController() {
-
-    private var data: List<RoomSummary>? = null
-    var listener: RoomListListener? = null
-
-    private val hPadding = TypedValue.applyDimension(
-            TypedValue.COMPLEX_UNIT_DIP,
-            4f,
-            resources.displayMetrics
-    ).toInt()
-
-    private val topPadding = TypedValue.applyDimension(
-            TypedValue.COMPLEX_UNIT_DIP,
-            12f,
-            resources.displayMetrics
-    ).toInt()
-
-    fun submitList(recentList: List<RoomSummary>) {
-        this.data = recentList
-        requestModelBuild()
-    }
-
-    override fun buildModels() {
-        val host = this
-        data?.let { data ->
-            carousel {
-                id("recents_carousel")
-                padding(Carousel.Padding(
-                        host.hPadding,
-                        host.topPadding,
-                        host.hPadding,
-                        0,
-                        0,
-                )
-                )
-                onBind { _, view, _ ->
-                    val colorSurface = MaterialColors.getColor(view, R.attr.vctr_toolbar_background)
-                    view.setBackgroundColor(colorSurface)
-                }
-                withModelsFrom(data) { roomSummary ->
-                    val onClick = host.listener?.let { it::onRoomClicked }
-                    val onLongClick = host.listener?.let { it::onRoomLongClicked }
-
-                    RecentRoomItem_()
-                            .id(roomSummary.roomId)
-                            .avatarRenderer(host.avatarRenderer)
-                            .matrixItem(roomSummary.toMatrixItem())
-                            .unreadNotificationCount(roomSummary.notificationCount)
-                            .showHighlighted(roomSummary.highlightCount > 0)
-                            .itemLongClickListener { _ -> onLongClick?.invoke(roomSummary) ?: false }
-                            .itemClickListener { onClick?.invoke(roomSummary) }
-                }
-            }
-        }
-    }
-}
-
-private inline fun <T> CarouselModelBuilder.withModelsFrom(
-        items: List<T>,
-        modelBuilder: (T) -> EpoxyModel<*>
-) {
-    models(items.map { modelBuilder(it) })
-}