Merge branch 'feature/room_list' into develop

app/build.gradle

@@ -11,6 +11,19 @@ androidExtensions {
     experimental = true
 }
 
+def versionMajor = 0
+def versionMinor = 1
+def versionPatch = 0
+
+def generateVersionCodeFromTimestamp() {
+    // It's unix timestamp divided by 10: It's incremented by one every 10 seconds.
+    return (System.currentTimeMillis() / 1_000 / 10).toInteger()
+}
+
+def generateVersionCodeFromVersionName() {
+    return versionMajor * 10000 + versionMinor * 100 + versionPatch
+}
+
 android {
     compileSdkVersion 28
     defaultConfig {
@@ -18,8 +31,8 @@ android {
         minSdkVersion 16
         targetSdkVersion 28
         multiDexEnabled true
-        versionCode 1
+        versionCode generateVersionCodeFromTimestamp()
-        versionName "1.0"
+        versionName "${versionMajor}.${versionMinor}.${versionPatch}"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

app/src/main/java/im/vector/riotredesign/core/epoxy/KotlinModel.kt

@@ -16,10 +16,11 @@
 
 package im.vector.riotredesign.core.epoxy
 
+import android.view.View
 import androidx.annotation.IdRes
 import androidx.annotation.LayoutRes
-import android.view.View
 import com.airbnb.epoxy.EpoxyModel
+import com.airbnb.epoxy.OnModelVisibilityStateChangedListener
 import kotlin.properties.ReadOnlyProperty
 import kotlin.reflect.KProperty
 
@@ -29,6 +30,7 @@ abstract class KotlinModel(
 
     private var view: View? = null
     private var onBindCallback: (() -> Unit)? = null
+    private var onModelVisibilityStateChangedListener: OnModelVisibilityStateChangedListener<KotlinModel, View>? = null
 
     abstract fun bind()
 
@@ -47,6 +49,16 @@ abstract class KotlinModel(
         return this
     }
 
+    override fun onVisibilityStateChanged(visibilityState: Int, view: View) {
+        onModelVisibilityStateChangedListener?.onVisibilityStateChanged(this, view, visibilityState)
+        super.onVisibilityStateChanged(visibilityState, view)
+    }
+
+    fun setOnVisibilityStateChanged(listener: OnModelVisibilityStateChangedListener<KotlinModel, View>): KotlinModel {
+        this.onModelVisibilityStateChangedListener = listener
+        return this
+    }
+
     override fun getDefaultLayout() = layoutRes
 
     protected fun <V : View> bind(@IdRes id: Int) = object : ReadOnlyProperty<KotlinModel, V> {

app/src/main/java/im/vector/riotredesign/core/extensions/Iterable.kt

@@ -0,0 +1,38 @@
+/*
+ *
+ *  * Copyright 2019 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.riotredesign.core.extensions
+
+/**
+ * Returns the last element yielding the smallest value of the given function or `null` if there are no elements.
+ */
+public inline fun <T, R : Comparable<R>> Iterable<T>.lastMinBy(selector: (T) -> R): T? {
+    val iterator = iterator()
+    if (!iterator.hasNext()) return null
+    var minElem = iterator.next()
+    var minValue = selector(minElem)
+    while (iterator.hasNext()) {
+        val e = iterator.next()
+        val v = selector(e)
+        if (minValue >= v) {
+            minElem = e
+            minValue = v
+        }
+    }
+    return minElem
+}

app/src/main/java/im/vector/riotredesign/features/home/HomeModule.kt

@@ -27,6 +27,8 @@ import im.vector.riotredesign.features.home.room.detail.timeline.TimelineDateFor
 import im.vector.riotredesign.features.home.room.detail.timeline.TimelineEventController
 import im.vector.riotredesign.features.home.room.detail.timeline.TimelineItemFactory
 import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineMediaSizeProvider
+import im.vector.riotredesign.features.home.room.list.RoomSummaryComparator
+import im.vector.riotredesign.features.home.room.list.RoomSummaryController
 import org.koin.dsl.module.module
 
 class HomeModule {
@@ -65,6 +67,10 @@ class HomeModule {
             HomeNavigator()
         }
 
+        factory {
+            RoomSummaryController(get())
+        }
+
         factory { (roomId: String) ->
             TimelineEventController(roomId, get(), get(), get())
         }
@@ -85,6 +91,10 @@ class HomeModule {
             HomePermalinkHandler(get())
         }
 
+        single {
+            RoomSummaryComparator()
+        }
+
 
     }
 }

app/src/main/java/im/vector/riotredesign/features/home/room/detail/RoomDetailActions.kt

@@ -16,9 +16,12 @@
 
 package im.vector.riotredesign.features.home.room.detail
 
+import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
+
 sealed class RoomDetailActions {
 
     data class SendMessage(val text: String) : RoomDetailActions()
     object IsDisplayed : RoomDetailActions()
+    data class EventDisplayed(val event: TimelineEvent, val index: Int) : RoomDetailActions()
 
 }

app/src/main/java/im/vector/riotredesign/features/home/room/detail/RoomDetailFragment.kt

@@ -23,9 +23,11 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.airbnb.epoxy.EpoxyVisibilityTracker
 import com.airbnb.mvrx.Success
 import com.airbnb.mvrx.args
 import com.airbnb.mvrx.fragmentViewModel
+import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.riotredesign.R
 import im.vector.riotredesign.core.platform.RiotFragment
 import im.vector.riotredesign.core.platform.ToolbarConfigurable
@@ -75,7 +77,7 @@ class RoomDetailFragment : RiotFragment(), TimelineEventController.Callback {
 
     override fun onResume() {
         super.onResume()
-        roomDetailViewModel.accept(RoomDetailActions.IsDisplayed)
+        roomDetailViewModel.process(RoomDetailActions.IsDisplayed)
     }
 
     private fun setupToolbar() {
@@ -86,6 +88,8 @@ class RoomDetailFragment : RiotFragment(), TimelineEventController.Callback {
     }
 
     private fun setupRecyclerView() {
+        val epoxyVisibilityTracker = EpoxyVisibilityTracker()
+        epoxyVisibilityTracker.attach(recyclerView)
         val layoutManager = LinearLayoutManager(context, RecyclerView.VERTICAL, true)
         scrollOnNewMessageCallback = ScrollOnNewMessageCallback(layoutManager)
         recyclerView.layoutManager = layoutManager
@@ -100,7 +104,7 @@ class RoomDetailFragment : RiotFragment(), TimelineEventController.Callback {
             val textMessage = composerEditText.text.toString()
             if (textMessage.isNotBlank()) {
                 composerEditText.text = null
-                roomDetailViewModel.accept(RoomDetailActions.SendMessage(textMessage))
+                roomDetailViewModel.process(RoomDetailActions.SendMessage(textMessage))
             }
         }
     }
@@ -143,4 +147,8 @@ class RoomDetailFragment : RiotFragment(), TimelineEventController.Callback {
         homePermalinkHandler.launch(url)
     }
 
+    override fun onEventVisible(event: TimelineEvent, index: Int) {
+        roomDetailViewModel.process(RoomDetailActions.EventDisplayed(event, index))
+    }
+
 }

app/src/main/java/im/vector/riotredesign/features/home/room/detail/RoomDetailViewModel.kt

@@ -18,14 +18,18 @@ package im.vector.riotredesign.features.home.room.detail
 
 import com.airbnb.mvrx.MvRxViewModelFactory
 import com.airbnb.mvrx.ViewModelContext
+import com.jakewharton.rxrelay2.BehaviorRelay
 import im.vector.matrix.android.api.Matrix
 import im.vector.matrix.android.api.MatrixCallback
 import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.rx.rx
+import im.vector.riotredesign.core.extensions.lastMinBy
 import im.vector.riotredesign.core.platform.RiotViewModel
 import im.vector.riotredesign.features.home.room.VisibleRoomHolder
+import io.reactivex.rxkotlin.subscribeBy
 import org.koin.android.ext.android.get
+import java.util.concurrent.TimeUnit
 
 class RoomDetailViewModel(initialState: RoomDetailViewState,
                           private val session: Session,
@@ -36,6 +40,8 @@ class RoomDetailViewModel(initialState: RoomDetailViewState,
     private val roomId = initialState.roomId
     private val eventId = initialState.eventId
 
+    private val displayedEventsObservable = BehaviorRelay.create<RoomDetailActions.EventDisplayed>()
+
     companion object : MvRxViewModelFactory<RoomDetailViewModel, RoomDetailViewState> {
 
         @JvmStatic
@@ -49,13 +55,15 @@ class RoomDetailViewModel(initialState: RoomDetailViewState,
     init {
         observeRoomSummary()
         observeTimeline()
+        observeDisplayedEvents()
         room.loadRoomMembersIfNeeded()
     }
 
-    fun accept(action: RoomDetailActions) {
+    fun process(action: RoomDetailActions) {
         when (action) {
             is RoomDetailActions.SendMessage    -> handleSendMessage(action)
-            is RoomDetailActions.IsDisplayed -> visibleRoomHolder.setVisibleRoom(roomId)
+            is RoomDetailActions.IsDisplayed    -> handleIsDisplayed()
+            is RoomDetailActions.EventDisplayed -> handleEventDisplayed(action)
         }
     }
 
@@ -65,6 +73,29 @@ class RoomDetailViewModel(initialState: RoomDetailViewState,
         room.sendTextMessage(action.text, callback = object : MatrixCallback<Event> {})
     }
 
+    private fun handleEventDisplayed(action: RoomDetailActions.EventDisplayed) {
+        displayedEventsObservable.accept(action)
+    }
+
+    private fun handleIsDisplayed() {
+        visibleRoomHolder.setVisibleRoom(roomId)
+    }
+
+    private fun observeDisplayedEvents() {
+        // We are buffering scroll events for one second
+        // and keep the most recent one to set the read receipt on.
+        displayedEventsObservable.hide()
+                .buffer(1, TimeUnit.SECONDS)
+                .filter { it.isNotEmpty() }
+                .subscribeBy(onNext = { actions ->
+                    val mostRecentEvent = actions.lastMinBy { it.index }
+                    mostRecentEvent?.event?.root?.eventId?.let { eventId ->
+                        room.setReadReceipt(eventId, callback = object : MatrixCallback<Void> {})
+                    }
+                })
+                .disposeOnClear()
+    }
+
     private fun observeRoomSummary() {
         room.rx().liveRoomSummary()
                 .execute { async ->

app/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/TimelineEventController.kt

@@ -16,12 +16,16 @@
 
 package im.vector.riotredesign.features.home.room.detail.timeline
 
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import com.airbnb.epoxy.EpoxyAsyncUtil
 import com.airbnb.epoxy.EpoxyModel
+import com.airbnb.epoxy.OnModelVisibilityStateChangedListener
+import com.airbnb.epoxy.VisibilityState
 import im.vector.matrix.android.api.session.events.model.EventType
-import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.api.session.room.timeline.TimelineData
+import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
+import im.vector.riotredesign.core.epoxy.KotlinModel
 import im.vector.riotredesign.core.extensions.localDateTime
 import im.vector.riotredesign.features.home.LoadingItemModel_
 import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineMediaSizeProvider
@@ -74,6 +78,11 @@ class TimelineEventController(private val roomId: String,
 
         timelineItemFactory.create(event, nextEvent, callback)?.also {
             it.id(event.localId)
+            it.setOnVisibilityStateChanged(OnModelVisibilityStateChangedListener<KotlinModel, View> { model, view, visibilityState ->
+                if (visibilityState == VisibilityState.VISIBLE) {
+                    callback?.onEventVisible(event, currentPosition)
+                }
+            })
             epoxyModels.add(it)
         }
         if (addDaySeparator) {
@@ -98,6 +107,7 @@ class TimelineEventController(private val roomId: String,
 
 
     interface Callback {
+        fun onEventVisible(event: TimelineEvent, index: Int)
         fun onUrlClicked(url: String)
     }
 

app/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/TimelineItemFactory.kt

@@ -16,9 +16,9 @@
 
 package im.vector.riotredesign.features.home.room.detail.timeline
 
-import com.airbnb.epoxy.EpoxyModel
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
+import im.vector.riotredesign.core.epoxy.KotlinModel
 
 class TimelineItemFactory(private val messageItemFactory: MessageItemFactory,
                           private val roomNameItemFactory: RoomNameItemFactory,
@@ -28,7 +28,7 @@ class TimelineItemFactory(private val messageItemFactory: MessageItemFactory,
 
     fun create(event: TimelineEvent,
                nextEvent: TimelineEvent?,
-               callback: TimelineEventController.Callback?): EpoxyModel<*>? {
+               callback: TimelineEventController.Callback?): KotlinModel? {
 
         return when (event.root.type) {
             EventType.MESSAGE           -> messageItemFactory.create(event, nextEvent, callback)

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

@@ -26,9 +26,12 @@ import im.vector.riotredesign.core.epoxy.KotlinModel
 data class RoomCategoryItem(
         val title: CharSequence,
         val isExpanded: Boolean,
+        val unreadCount: Int,
+        val showHighlighted: Boolean,
         val listener: (() -> Unit)? = null
 ) : KotlinModel(R.layout.item_room_category) {
 
+    private val unreadCounterBadgeView by bind<UnreadCounterBadgeView>(R.id.roomCategoryUnreadCounterBadgeView)
     private val titleView by bind<TextView>(R.id.roomCategoryTitleView)
     private val rootView by bind<ViewGroup>(R.id.roomCategoryRootView)
 
@@ -41,6 +44,7 @@ data class RoomCategoryItem(
         val expandedArrowDrawable = ContextCompat.getDrawable(rootView.context, expandedArrowDrawableRes)?.also {
             DrawableCompat.setTint(it, tintColor)
         }
+        unreadCounterBadgeView.render(unreadCount, showHighlighted)
         titleView.setCompoundDrawablesWithIntrinsicBounds(expandedArrowDrawable, null, null, null)
         titleView.text = title
         rootView.setOnClickListener { listener?.invoke() }

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

@@ -22,7 +22,6 @@ import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.view.inputmethod.EditorInfo
 import com.airbnb.mvrx.Fail
 import com.airbnb.mvrx.Incomplete
 import com.airbnb.mvrx.Success
@@ -30,7 +29,6 @@ import com.airbnb.mvrx.activityViewModel
 import im.vector.matrix.android.api.failure.Failure
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.riotredesign.R
-import im.vector.riotredesign.core.extensions.hideKeyboard
 import im.vector.riotredesign.core.extensions.setupAsSearch
 import im.vector.riotredesign.core.platform.RiotFragment
 import im.vector.riotredesign.core.platform.StateView
@@ -47,8 +45,8 @@ class RoomListFragment : RiotFragment(), RoomSummaryController.Callback {
     }
 
     private val homeNavigator by inject<HomeNavigator>()
+    private val roomController by inject<RoomSummaryController>()
     private val homeViewModel: RoomListViewModel by activityViewModel()
-    private lateinit var roomController: RoomSummaryController
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_room_list, container, false)
@@ -56,7 +54,7 @@ class RoomListFragment : RiotFragment(), RoomSummaryController.Callback {
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
-        roomController = RoomSummaryController(this)
+        roomController.callback = this
         stateView.contentView = epoxyRecyclerView
         epoxyRecyclerView.setController(roomController)
         setupFilterView()

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

@@ -24,6 +24,7 @@ import im.vector.matrix.android.api.Matrix
 import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.group.model.GroupSummary
 import im.vector.matrix.android.api.session.room.model.RoomSummary
+import im.vector.matrix.android.api.session.room.model.tag.RoomTag
 import im.vector.matrix.rx.rx
 import im.vector.riotredesign.core.platform.RiotViewModel
 import im.vector.riotredesign.features.home.group.SelectedGroupHolder
@@ -32,6 +33,7 @@ import io.reactivex.Observable
 import io.reactivex.functions.Function3
 import io.reactivex.rxkotlin.subscribeBy
 import org.koin.android.ext.android.get
+import java.util.concurrent.TimeUnit
 
 typealias RoomListFilterName = CharSequence
 
@@ -39,7 +41,8 @@ class RoomListViewModel(initialState: RoomListViewState,
                         private val session: Session,
                         private val selectedGroupHolder: SelectedGroupHolder,
                         private val visibleRoomHolder: VisibleRoomHolder,
-                        private val roomSelectionRepository: RoomSelectionRepository)
+                        private val roomSelectionRepository: RoomSelectionRepository,
+                        private val roomSummaryComparator: RoomSummaryComparator)
     : RiotViewModel<RoomListViewState>(initialState) {
 
     companion object : MvRxViewModelFactory<RoomListViewModel, RoomListViewState> {
@@ -50,7 +53,8 @@ class RoomListViewModel(initialState: RoomListViewState,
             val roomSelectionRepository = viewModelContext.activity.get<RoomSelectionRepository>()
             val selectedGroupHolder = viewModelContext.activity.get<SelectedGroupHolder>()
             val visibleRoomHolder = viewModelContext.activity.get<VisibleRoomHolder>()
-            return RoomListViewModel(state, currentSession, selectedGroupHolder, visibleRoomHolder, roomSelectionRepository)
+            val roomSummaryComparator = viewModelContext.activity.get<RoomSummaryComparator>()
+            return RoomListViewModel(state, currentSession, selectedGroupHolder, visibleRoomHolder, roomSelectionRepository, roomSummaryComparator)
         }
     }
 
@@ -92,19 +96,11 @@ class RoomListViewModel(initialState: RoomListViewState,
 
     private fun observeRoomSummaries() {
         Observable.combineLatest<List<RoomSummary>, Option<GroupSummary>, Option<RoomListFilterName>, RoomSummaries>(
-                session.rx().liveRoomSummaries(),
+                session.rx().liveRoomSummaries().throttleLast(300, TimeUnit.MILLISECONDS),
                 selectedGroupHolder.selectedGroup(),
-                roomListFilter,
+                roomListFilter.throttleLast(300, TimeUnit.MILLISECONDS),
                 Function3 { rooms, selectedGroupOption, filterRoomOption ->
-                    val filterRoom = filterRoomOption.orNull()
+                    val filteredRooms = filterRooms(rooms, filterRoomOption)
-                    val filteredRooms = rooms.filter {
-                        if (filterRoom.isNullOrBlank()) {
-                            true
-                        } else {
-                            it.displayName.contains(other = filterRoom, ignoreCase = true)
-                        }
-                    }
-
                     val selectedGroup = selectedGroupOption.orNull()
                     val filteredDirectRooms = filteredRooms
                             .filter { it.isDirect }
@@ -123,7 +119,7 @@ class RoomListViewModel(initialState: RoomListViewState,
                             .filter {
                                 selectedGroup?.roomIds?.contains(it.roomId) ?: true
                             }
-                    RoomSummaries(filteredDirectRooms, filteredGroupRooms)
+                    buildRoomSummaries(filteredDirectRooms + filteredGroupRooms)
                 }
         )
                 .execute { async ->
@@ -132,4 +128,44 @@ class RoomListViewModel(initialState: RoomListViewState,
                     )
                 }
     }
+
+    private fun filterRooms(rooms: List<RoomSummary>, filterRoomOption: Option<RoomListFilterName>): List<RoomSummary> {
+        val filterRoom = filterRoomOption.orNull()
+        return rooms.filter {
+            if (filterRoom.isNullOrBlank()) {
+                true
+            } else {
+                it.displayName.contains(other = filterRoom, ignoreCase = true)
+            }
+        }
+    }
+
+    private fun buildRoomSummaries(rooms: List<RoomSummary>): RoomSummaries {
+        val favourites = ArrayList<RoomSummary>()
+        val directChats = ArrayList<RoomSummary>()
+        val groupRooms = ArrayList<RoomSummary>()
+        val lowPriorities = ArrayList<RoomSummary>()
+        val serverNotices = ArrayList<RoomSummary>()
+
+        for (room in rooms) {
+            val tags = room.tags.map { it.name }
+            when {
+                tags.contains(RoomTag.ROOM_TAG_SERVER_NOTICE) -> serverNotices.add(room)
+                tags.contains(RoomTag.ROOM_TAG_FAVOURITE)     -> favourites.add(room)
+                tags.contains(RoomTag.ROOM_TAG_LOW_PRIORITY)  -> lowPriorities.add(room)
+                room.isDirect                                 -> directChats.add(room)
+                else                                          -> groupRooms.add(room)
+            }
+        }
+
+        return RoomSummaries(
+                favourites = favourites.sortedWith(roomSummaryComparator),
+                directRooms = directChats.sortedWith(roomSummaryComparator),
+                groupRooms = groupRooms.sortedWith(roomSummaryComparator),
+                lowPriorities = lowPriorities.sortedWith(roomSummaryComparator),
+                serverNotices = serverNotices.sortedWith(roomSummaryComparator)
+        )
+    }
+
+
 }

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

@@ -27,10 +27,13 @@ data class RoomListViewState(
 ) : MvRxState
 
 data class RoomSummaries(
+        val favourites: List<RoomSummary>,
         val directRooms: List<RoomSummary>,
-        val groupRooms: List<RoomSummary>
+        val groupRooms: List<RoomSummary>,
+        val lowPriorities: List<RoomSummary>,
+        val serverNotices: List<RoomSummary>
 )
 
 fun RoomSummaries?.isNullOrEmpty(): Boolean {
-    return this == null || (directRooms.isEmpty() && groupRooms.isEmpty())
+    return this == null || (directRooms.isEmpty() && groupRooms.isEmpty() && favourites.isEmpty() && lowPriorities.isEmpty() && serverNotices.isEmpty())
 }

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

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2019 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.riotredesign.features.home.room.list
+
+import im.vector.matrix.android.api.session.room.model.RoomSummary
+
+class RoomSummaryComparator
+    : Comparator<RoomSummary> {
+
+    override fun compare(leftRoomSummary: RoomSummary?, rightRoomSummary: RoomSummary?): Int {
+        val retValue: Int
+        var leftHighlightCount = 0
+        var rightHighlightCount = 0
+        var leftNotificationCount = 0
+        var rightNotificationCount = 0
+        var rightTimestamp = 0L
+        var leftTimestamp = 0L
+
+        if (null != leftRoomSummary) {
+            leftHighlightCount = leftRoomSummary.highlightCount
+            leftNotificationCount = leftRoomSummary.notificationCount
+            leftTimestamp = leftRoomSummary.lastMessage?.originServerTs ?: 0
+        }
+        if (null != rightRoomSummary) {
+            rightHighlightCount = rightRoomSummary.highlightCount
+            rightNotificationCount = rightRoomSummary.notificationCount
+            rightTimestamp = rightRoomSummary.lastMessage?.originServerTs ?: 0
+        }
+
+        if (leftRoomSummary?.lastMessage == null) {
+            retValue = 1
+        } else if (rightRoomSummary?.lastMessage == null) {
+            retValue = -1
+        } else if (rightHighlightCount > 0 && leftHighlightCount == 0) {
+            retValue = 1
+        } else if (rightHighlightCount == 0 && leftHighlightCount > 0) {
+            retValue = -1
+        } else if (rightNotificationCount > 0 && leftNotificationCount == 0) {
+            retValue = 1
+        } else if (rightNotificationCount == 0 && leftNotificationCount > 0) {
+            retValue = -1
+        } else {
+            val deltaTimestamp = rightTimestamp - leftTimestamp
+            if (deltaTimestamp > 0) {
+                retValue = 1
+            } else if (deltaTimestamp < 0) {
+                retValue = -1
+            } else {
+                retValue = 0
+            }
+        }
+        return retValue
+
+    }
+
+}

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

@@ -16,56 +16,100 @@
 
 package im.vector.riotredesign.features.home.room.list
 
+import androidx.annotation.StringRes
 import com.airbnb.epoxy.TypedEpoxyController
 import im.vector.matrix.android.api.session.room.model.RoomSummary
+import im.vector.riotredesign.R
+import im.vector.riotredesign.core.resources.StringProvider
 
-class RoomSummaryController(private val callback: Callback? = null
+class RoomSummaryController(private val stringProvider: StringProvider
 ) : TypedEpoxyController<RoomListViewState>() {
 
-    private var isDirectRoomsExpanded = true
+    private var isFavoriteRoomsExpanded = true
-    private var isGroupRoomsExpanded = true
+    private var isDirectRoomsExpanded = false
+    private var isGroupRoomsExpanded = false
+    private var isLowPriorityRoomsExpanded = false
+    private var isServerNoticeRoomsExpanded = false
+
+    var callback: Callback? = null
 
     override fun buildModels(viewState: RoomListViewState) {
         val roomSummaries = viewState.asyncRooms()
-        RoomCategoryItem(
+        val favourites = roomSummaries?.favourites ?: emptyList()
-                title = "DIRECT MESSAGES",
+        buildRoomCategory(viewState, favourites, R.string.room_list_favourites, isFavoriteRoomsExpanded) {
-                isExpanded = isDirectRoomsExpanded,
+            isFavoriteRoomsExpanded = !isFavoriteRoomsExpanded
-                listener = {
+        }
+        if (isFavoriteRoomsExpanded) {
+            buildRoomModels(favourites, viewState.selectedRoomId)
+        }
+
+        val directRooms = roomSummaries?.directRooms ?: emptyList()
+        buildRoomCategory(viewState, directRooms, R.string.room_list_direct, isDirectRoomsExpanded) {
             isDirectRoomsExpanded = !isDirectRoomsExpanded
-                    setData(viewState)
         }
-        )
-                .id("direct_messages")
-                .addTo(this)
-
         if (isDirectRoomsExpanded) {
-            buildRoomModels(roomSummaries?.directRooms ?: emptyList(), viewState.selectedRoomId)
+            buildRoomModels(directRooms, viewState.selectedRoomId)
         }
 
-        RoomCategoryItem(
+        val groupRooms = roomSummaries?.groupRooms ?: emptyList()
-                title = "GROUPS",
+        buildRoomCategory(viewState, groupRooms, R.string.room_list_group, isGroupRoomsExpanded) {
-                isExpanded = isGroupRoomsExpanded,
-                listener = {
             isGroupRoomsExpanded = !isGroupRoomsExpanded
+        }
+        if (isGroupRoomsExpanded) {
+            buildRoomModels(groupRooms, viewState.selectedRoomId)
+        }
+
+        val lowPriorities = roomSummaries?.lowPriorities ?: emptyList()
+        buildRoomCategory(viewState, lowPriorities, R.string.room_list_low_priority, isLowPriorityRoomsExpanded) {
+            isLowPriorityRoomsExpanded = !isLowPriorityRoomsExpanded
+        }
+        if (isLowPriorityRoomsExpanded) {
+            buildRoomModels(lowPriorities, viewState.selectedRoomId)
+        }
+
+        val serverNotices = roomSummaries?.serverNotices ?: emptyList()
+        buildRoomCategory(viewState, serverNotices, R.string.room_list_system_alert, isServerNoticeRoomsExpanded) {
+            isServerNoticeRoomsExpanded = !isServerNoticeRoomsExpanded
+        }
+        if (isServerNoticeRoomsExpanded) {
+            buildRoomModels(serverNotices, viewState.selectedRoomId)
+        }
+
+    }
+
+    private fun buildRoomCategory(viewState: RoomListViewState, summaries: List<RoomSummary>, @StringRes titleRes: Int, isExpanded: Boolean, mutateExpandedState: () -> Unit) {
+        //TODO should add some business logic later
+        val unreadCount = if (summaries.isEmpty()) {
+            0
+        } else {
+            summaries.map { it.notificationCount }.reduce { acc, i -> acc + i }
+        }
+        val showHighlighted = summaries.any { it.highlightCount > 0 }
+        RoomCategoryItem(
+                title = stringProvider.getString(titleRes).toUpperCase(),
+                isExpanded = isExpanded,
+                unreadCount = unreadCount,
+                showHighlighted = showHighlighted,
+                listener = {
+                    mutateExpandedState()
                     setData(viewState)
                 }
         )
-                .id("group_messages")
+                .id(titleRes)
                 .addTo(this)
-
-        if (isGroupRoomsExpanded) {
-            buildRoomModels(roomSummaries?.groupRooms ?: emptyList(), viewState.selectedRoomId)
-        }
-
     }
 
     private fun buildRoomModels(summaries: List<RoomSummary>, selectedRoomId: String?) {
         summaries.forEach { roomSummary ->
+            val unreadCount = roomSummary.notificationCount
+            val showHighlighted = roomSummary.highlightCount > 0
             val isSelected = roomSummary.roomId == selectedRoomId
             RoomSummaryItem(
                     roomName = roomSummary.displayName,
                     avatarUrl = roomSummary.avatarUrl,
                     isSelected = isSelected,
+                    showHighlighted = showHighlighted,
+                    unreadCount = unreadCount,
                     listener = { callback?.onRoomSelected(roomSummary) }
             )
                     .id(roomSummary.roomId)

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

@@ -14,24 +14,22 @@
  * limitations under the License.
  */
 
-package im.vector.matrix.android.internal.database.mapper
+package im.vector.riotredesign.features.home.room.list
 
-import im.vector.matrix.android.api.session.room.Room
+object RoomSummaryFormatter {
-import im.vector.matrix.android.internal.database.model.RoomEntity
-import im.vector.matrix.android.internal.session.room.DefaultRoom
 
-
+    /**
-internal object RoomMapper {
+     * Format the unread messages counter.
-
+     *
-
+     * @param count the count
-    fun map(roomEntity: RoomEntity): Room {
+     * @return the formatted value
-        return DefaultRoom(
+     */
-                roomEntity.roomId,
+    fun formatUnreadMessagesCounter(count: Int): String {
-                roomEntity.membership
+        return if (count > 999) {
-        )
+            "${count / 1000}.${count % 1000 / 100}K"
+        } else {
+            count.toString()
         }
     }
 
-internal fun RoomEntity.asDomain(): Room {
-    return RoomMapper.map(this)
 }

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

@@ -28,14 +28,18 @@ data class RoomSummaryItem(
         val roomName: CharSequence,
         val avatarUrl: String?,
         val isSelected: Boolean,
+        val unreadCount: Int,
+        val showHighlighted: Boolean,
         val listener: (() -> Unit)? = null
 ) : KotlinModel(R.layout.item_room) {
 
+    private val unreadCounterBadgeView by bind<UnreadCounterBadgeView>(R.id.roomUnreadCounterBadgeView)
     private val titleView by bind<TextView>(R.id.roomNameView)
     private val avatarImageView by bind<ImageView>(R.id.roomAvatarImageView)
     private val rootView by bind<CheckableFrameLayout>(R.id.itemRoomLayout)
 
     override fun bind() {
+        unreadCounterBadgeView.render(unreadCount, showHighlighted)
         rootView.isChecked = isSelected
         rootView.setOnClickListener { listener?.invoke() }
         titleView.text = roomName

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

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2019 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.riotredesign.features.home.room.list
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+import androidx.appcompat.widget.AppCompatTextView
+import im.vector.riotredesign.R
+
+class UnreadCounterBadgeView : AppCompatTextView {
+
+    constructor(context: Context) : super(context)
+
+    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
+
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+
+    fun render(count: Int, highlighted: Boolean) {
+        if (count == 0) {
+            visibility = View.INVISIBLE
+        } else {
+            visibility = View.VISIBLE
+            val bgRes = if (highlighted) {
+                R.drawable.bg_unread_highlight
+            } else {
+                R.drawable.bg_unread_notification
+            }
+            setBackgroundResource(bgRes)
+            text = RoomSummaryFormatter.formatUnreadMessagesCounter(count)
+        }
+    }
+
+    enum class Status {
+        NOTIFICATION,
+        HIGHLIGHT
+    }
+
+}

app/src/main/res/drawable/bg_unread_highlight.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="@color/rosy_pink" />
+</shape>

app/src/main/res/drawable/bg_unread_notification.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="@color/grey_lynch" />
+</shape>

app/src/main/res/layout/item_room.xml

@@ -1,18 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<im.vector.riotredesign.core.platform.CheckableFrameLayout
+<im.vector.riotredesign.core.platform.CheckableFrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/itemRoomLayout"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:paddingLeft="8dp"
-    android:paddingRight="16dp"
-    android:foreground="?attr/selectableItemBackground"
     android:background="@drawable/bg_room_item"
     android:clickable="true"
-    android:focusable="true">
+    android:focusable="true"
+    android:foreground="?attr/selectableItemBackground"
+    android:paddingLeft="8dp"
+    android:paddingRight="16dp">
 
     <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
@@ -35,15 +34,34 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginStart="16dp"
+            android:layout_marginEnd="16dp"
             android:duplicateParentState="true"
             android:textColor="@color/color_room_title"
             android:textSize="14sp"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/roomUnreadCounterBadgeView"
             app:layout_constraintStart_toEndOf="@id/roomAvatarImageView"
             app:layout_constraintTop_toTopOf="parent"
             tools:text="@tools:sample/full_names" />
 
+        <im.vector.riotredesign.features.home.room.list.UnreadCounterBadgeView
+            android:id="@+id/roomUnreadCounterBadgeView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:minWidth="24dp"
+            android:minHeight="24dp"
+            android:paddingLeft="4dp"
+            android:paddingRight="4dp"
+            android:textColor="@android:color/white"
+            android:textSize="12sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintDimensionRatio="1:1"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:background="@drawable/bg_unread_highlight"
+            tools:text="115" />
+
     </androidx.constraintlayout.widget.ConstraintLayout>
 
 </im.vector.riotredesign.core.platform.CheckableFrameLayout>

app/src/main/res/layout/item_room_category.xml

@@ -11,7 +11,7 @@
     android:gravity="center_vertical"
     android:paddingLeft="16dp"
     android:paddingTop="8dp"
-    android:paddingRight="16dp"
+    android:paddingRight="8dp"
     android:paddingBottom="8dp"
     tools:background="@color/pale_grey">
 
@@ -26,16 +26,32 @@
         android:text="DIRECT MESSAGES"
         android:textColor="@color/bluey_grey_two"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toStartOf="@+id/roomCategoryAddButton"
+        app:layout_constraintEnd_toStartOf="@+id/roomCategoryUnreadCounterBadgeView"
         app:layout_constraintHorizontal_bias="0.0"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <im.vector.riotredesign.features.home.room.list.UnreadCounterBadgeView
+        android:id="@+id/roomCategoryUnreadCounterBadgeView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:minWidth="24dp"
+        android:minHeight="24dp"
+        android:paddingLeft="4dp"
+        android:paddingRight="4dp"
+        android:textColor="@android:color/white"
+        android:textSize="12sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/roomCategoryAddButton"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:background="@drawable/bg_unread_highlight"
+        tools:text="4" />
+
     <ImageView
         android:id="@+id/roomCategoryAddButton"
-        android:layout_width="32dp"
+        android:layout_width="40dp"
-        android:layout_height="32dp"
+        android:layout_height="40dp"
-
         android:scaleType="centerInside"
         android:src="@drawable/ic_add_circle_white"
         android:tint="@color/bluey_grey_two"

app/src/main/res/values/colors.xml

@@ -16,4 +16,5 @@
     <color name="cool_grey">#a5aab2</color>
     <color name="pale_grey_two">#ebedf8</color>
     <color name="brown_grey">#a5a5a5</color>
+    <color name="grey_lynch">#61708B</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -1,9 +1,15 @@
 <resources>
-    <string name="app_name">Riot X</string>
+    <string name="app_name">"Riot X"</string>
 
-    <string name="global_retry">Réessayer</string>
+    <string name="global_retry">"Retry"</string>
-    <string name="error_no_network">Pas de connexion internet</string>
+    <string name="error_no_network">"No network connection"</string>
-    <string name="error_common">Une erreur est survenue</string>
+    <string name="error_common">"An error occurred"</string>
-    <string name="room_list_empty">Rejoignez une room pour commencer à utiliser l\'application</string>
+
+    <string name="room_list_empty">"Join a room to start using the app."</string>
+    <string name="room_list_favourites">"Favourites"</string>
+    <string name="room_list_direct">"People"</string>
+    <string name="room_list_group">"Rooms"</string>
+    <string name="room_list_low_priority">"Low priority"</string>
+    <string name="room_list_system_alert">"System Alerts"</string>
 
 </resources>

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/Room.kt

@@ -17,8 +17,8 @@
 package im.vector.matrix.android.api.session.room
 
 import androidx.lifecycle.LiveData
-import im.vector.matrix.android.api.session.room.model.MyMembership
 import im.vector.matrix.android.api.session.room.model.RoomSummary
+import im.vector.matrix.android.api.session.room.read.ReadService
 import im.vector.matrix.android.api.session.room.send.SendService
 import im.vector.matrix.android.api.session.room.timeline.TimelineService
 import im.vector.matrix.android.api.util.Cancelable
@@ -26,20 +26,16 @@ import im.vector.matrix.android.api.util.Cancelable
 /**
  * This interface defines methods to interact within a room.
  */
-interface Room : TimelineService, SendService {
+interface Room : TimelineService, SendService, ReadService {
 
     /**
      * The roomId of this room
      */
     val roomId: String
 
-    /**
-     * The membership of this room for the current user
-     */
-    val myMembership: MyMembership
-
     /**
      * A live [RoomSummary] associated with the room
+     * You can observe this summary to get dynamic data from this room.
      */
     val roomSummary: LiveData<RoomSummary>
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/RoomService.kt

@@ -27,7 +27,7 @@ interface RoomService {
     /**
      * Get a room from a roomId
      * @param roomId the roomId to look for.
-     * @return the room with roomId or null
+     * @return a room with roomId or null
      */
     fun getRoom(roomId: String): Room?
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/RoomSummary.kt

@@ -16,6 +16,9 @@
 
 package im.vector.matrix.android.api.session.room.model
 
+import im.vector.matrix.android.api.session.events.model.Event
+import im.vector.matrix.android.api.session.room.model.tag.RoomTag
+
 /**
  * This class holds some data of a room.
  * It can be retrieved by [im.vector.matrix.android.api.session.room.Room] and [im.vector.matrix.android.api.session.room.RoomService]
@@ -26,5 +29,9 @@ data class RoomSummary(
         val topic: String = "",
         val avatarUrl: String = "",
         val isDirect: Boolean,
-        val otherMemberIds: List<String> = emptyList()
+        val lastMessage: Event? = null,
+        val otherMemberIds: List<String> = emptyList(),
+        var notificationCount: Int = 0,
+        var highlightCount: Int = 0,
+        var tags: List<RoomTag> = emptyList()
 )

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/tag/RoomTag.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2019 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.matrix.android.api.session.room.model.tag
+
+data class RoomTag(
+        val name: String,
+        val order: Double?
+) {
+
+    companion object {
+        val ROOM_TAG_FAVOURITE = "m.favourite"
+        val ROOM_TAG_LOW_PRIORITY = "m.lowpriority"
+        val ROOM_TAG_NO_TAG = "m.recent"
+        val ROOM_TAG_SERVER_NOTICE = "m.server_notice"
+    }
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/tag/RoomTagContent.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2019 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.matrix.android.api.session.room.model.tag
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+data class RoomTagContent(
+        @Json(name = "tags") val tags: Map<String, Map<String, Double>> = emptyMap()
+)

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/read/ReadService.kt

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2019 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.matrix.android.api.session.room.read
+
+import im.vector.matrix.android.api.MatrixCallback
+
+/**
+ * This interface defines methods to handle read receipts and read marker in a room. It's implemented at the room level.
+ */
+interface ReadService {
+
+    /**
+     * Force the read marker to be set on the latest event.
+     */
+    fun markAllAsRead(callback: MatrixCallback<Void>)
+
+    /**
+     * Set the read receipt on the event with provided eventId.
+     */
+    fun setReadReceipt(eventId: String, callback: MatrixCallback<Void>)
+
+    /**
+     * Set the read marker on the event with provided eventId.
+     */
+    fun setReadMarker(fullyReadEventId: String, callback: MatrixCallback<Void>)
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/mapper/RoomSummaryMapper.kt

@@ -17,19 +17,27 @@
 package im.vector.matrix.android.internal.database.mapper
 
 import im.vector.matrix.android.api.session.room.model.RoomSummary
+import im.vector.matrix.android.api.session.room.model.tag.RoomTag
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 
 
 internal object RoomSummaryMapper {
 
     fun map(roomSummaryEntity: RoomSummaryEntity): RoomSummary {
+        val tags = roomSummaryEntity.tags.map {
+            RoomTag(it.tagName, it.tagOrder)
+        }
         return RoomSummary(
-                roomSummaryEntity.roomId,
+                roomId = roomSummaryEntity.roomId,
-                roomSummaryEntity.displayName ?: "",
+                displayName = roomSummaryEntity.displayName ?: "",
-                roomSummaryEntity.topic ?: "",
+                topic = roomSummaryEntity.topic ?: "",
-                roomSummaryEntity.avatarUrl ?: "",
+                avatarUrl = roomSummaryEntity.avatarUrl ?: "",
-                roomSummaryEntity.isDirect,
+                isDirect = roomSummaryEntity.isDirect,
-                roomSummaryEntity.otherMemberIds.toList()
+                lastMessage = roomSummaryEntity.lastMessage?.asDomain(),
+                otherMemberIds = roomSummaryEntity.otherMemberIds.toList(),
+                highlightCount = roomSummaryEntity.highlightCount,
+                notificationCount = roomSummaryEntity.notificationCount,
+                tags = tags
         )
     }
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/model/RoomSummaryEntity.kt

@@ -29,7 +29,10 @@ internal open class RoomSummaryEntity(@PrimaryKey var roomId: String = "",
                                       var joinedMembersCount: Int? = 0,
                                       var invitedMembersCount: Int? = 0,
                                       var isDirect: Boolean = false,
-                                      var otherMemberIds: RealmList<String> = RealmList()
+                                      var otherMemberIds: RealmList<String> = RealmList(),
+                                      var notificationCount: Int = 0,
+                                      var highlightCount: Int = 0,
+                                      var tags: RealmList<RoomTagEntity> = RealmList()
 ) : RealmObject() {
 
     companion object

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/model/RoomTagEntity.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2019 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.matrix.android.internal.database.model
+
+import io.realm.RealmObject
+
+internal open class RoomTagEntity(
+        var tagName: String = "",
+        var tagOrder: Double? = null
+) : RealmObject() {
+
+    companion object
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/query/EventEntityQueries.kt

@@ -16,6 +16,7 @@
 
 package im.vector.matrix.android.internal.database.query
 
+import im.vector.matrix.android.internal.database.model.ChunkEntity
 import im.vector.matrix.android.internal.database.model.EventEntity
 import im.vector.matrix.android.internal.database.model.EventEntity.LinkFilterMode.*
 import im.vector.matrix.android.internal.database.model.EventEntityFields
@@ -48,6 +49,21 @@ internal fun EventEntity.Companion.where(realm: Realm,
     }
 }
 
+internal fun EventEntity.Companion.latestEvent(realm: Realm,
+                                               roomId: String,
+                                               includedTypes: List<String> = emptyList(),
+                                               excludedTypes: List<String> = emptyList()): EventEntity? {
+    val query = ChunkEntity.findLastLiveChunkFromRoom(realm, roomId)?.events?.where()
+    if (includedTypes.isNotEmpty()) {
+        query?.`in`(EventEntityFields.TYPE, includedTypes.toTypedArray())
+    } else if (excludedTypes.isNotEmpty()) {
+        query?.not()?.`in`(EventEntityFields.TYPE, excludedTypes.toTypedArray())
+    }
+    return query
+            ?.sort(EventEntityFields.DISPLAY_INDEX)
+            ?.findFirst()
+}
+
 
 internal fun RealmQuery<EventEntity>.next(from: Int? = null, strict: Boolean = true): EventEntity? {
     if (from != null) {
@@ -62,7 +78,6 @@ internal fun RealmQuery<EventEntity>.next(from: Int? = null, strict: Boolean = t
             .findFirst()
 }
 
-
 internal fun RealmQuery<EventEntity>.last(since: Int? = null, strict: Boolean = false): EventEntity? {
     if (since != null) {
         if (strict) {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/di/NetworkModule.kt

@@ -18,11 +18,11 @@ package im.vector.matrix.android.internal.di
 
 import im.vector.matrix.android.internal.network.AccessTokenInterceptor
 import im.vector.matrix.android.internal.network.NetworkConnectivityChecker
+import im.vector.matrix.android.internal.network.UnitConverterFactory
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
 import okreplay.OkReplayInterceptor
 import org.koin.dsl.module.module
-import retrofit2.Converter
 import retrofit2.Retrofit
 import retrofit2.converter.moshi.MoshiConverterFactory
 import timber.log.Timber
@@ -62,10 +62,6 @@ class NetworkModule {
             MoshiProvider.providesMoshi()
         }
 
-        single {
-            MoshiConverterFactory.create(get()) as Converter.Factory
-        }
-
         single {
             NetworkConnectivityChecker(get())
         }
@@ -73,7 +69,8 @@ class NetworkModule {
         factory {
             Retrofit.Builder()
                     .client(get())
-                    .addConverterFactory(get())
+                    .addConverterFactory(UnitConverterFactory)
+                    .addConverterFactory(MoshiConverterFactory.create(get()))
         }
 
     }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/network/UnitConverterFactory.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 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.matrix.android.internal.network
+
+import okhttp3.ResponseBody
+import retrofit2.Converter
+import retrofit2.Retrofit
+import java.lang.reflect.Type
+
+object UnitConverterFactory : Converter.Factory() {
+  override fun responseBodyConverter(type: Type, annotations: Array<out Annotation>,
+                                     retrofit: Retrofit): Converter<ResponseBody, *>? {
+    return if (type == Unit::class.java) UnitConverter else null
+  }
+
+  private object UnitConverter : Converter<ResponseBody, Unit> {
+    override fun convert(value: ResponseBody) {
+      value.close()
+    }
+  }
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionModule.kt

@@ -28,6 +28,7 @@ import im.vector.matrix.android.internal.session.group.DefaultGroupService
 import im.vector.matrix.android.internal.session.group.GroupSummaryUpdater
 import im.vector.matrix.android.internal.session.room.DefaultRoomService
 import im.vector.matrix.android.internal.session.room.RoomAvatarResolver
+import im.vector.matrix.android.internal.session.room.RoomFactory
 import im.vector.matrix.android.internal.session.room.RoomSummaryUpdater
 import im.vector.matrix.android.internal.session.room.members.RoomDisplayNameResolver
 import im.vector.matrix.android.internal.session.room.members.RoomMemberDisplayNameResolver
@@ -46,6 +47,10 @@ internal class SessionModule(private val sessionParams: SessionParams) {
             sessionParams
         }
 
+        scope(DefaultSession.SCOPE) {
+            sessionParams.credentials
+        }
+
         scope(DefaultSession.SCOPE) {
             val context = get<Context>()
             val childPath = sessionParams.credentials.userId.md5()
@@ -84,10 +89,9 @@ internal class SessionModule(private val sessionParams: SessionParams) {
         }
 
         scope(DefaultSession.SCOPE) {
-            DefaultRoomService(get()) as RoomService
+            DefaultRoomService(get(), get()) as RoomService
         }
 
-
         scope(DefaultSession.SCOPE) {
             DefaultGroupService(get()) as GroupService
         }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/DefaultRoom.kt

@@ -19,37 +19,35 @@ package im.vector.matrix.android.internal.session.room
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Transformations
 import com.zhuinden.monarchy.Monarchy
-import im.vector.matrix.android.api.MatrixCallback
-import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.android.api.session.room.Room
-import im.vector.matrix.android.api.session.room.send.SendService
 import im.vector.matrix.android.api.session.room.model.Membership
-import im.vector.matrix.android.api.session.room.model.MyMembership
 import im.vector.matrix.android.api.session.room.model.RoomSummary
-import im.vector.matrix.android.api.session.room.timeline.TimelineData
+import im.vector.matrix.android.api.session.room.read.ReadService
+import im.vector.matrix.android.api.session.room.send.SendService
 import im.vector.matrix.android.api.session.room.timeline.TimelineService
 import im.vector.matrix.android.api.util.Cancelable
 import im.vector.matrix.android.internal.database.mapper.asDomain
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntityFields
 import im.vector.matrix.android.internal.database.query.where
-import im.vector.matrix.android.internal.di.MatrixKoinComponent
 import im.vector.matrix.android.internal.session.room.members.LoadRoomMembersTask
 import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.configureWith
-import org.koin.core.parameter.parametersOf
-import org.koin.standalone.inject
 
 internal data class DefaultRoom(
         override val roomId: String,
-        override val myMembership: MyMembership
+        private val loadRoomMembersTask: LoadRoomMembersTask,
-) : Room, MatrixKoinComponent {
+        private val monarchy: Monarchy,
+        private val timelineService: TimelineService,
+        private val sendService: SendService,
+        private val readService: ReadService,
+        private val taskExecutor: TaskExecutor
 
-    private val loadRoomMembersTask by inject<LoadRoomMembersTask>()
+
-    private val monarchy by inject<Monarchy>()
+) : Room,
-    private val timelineService by inject<TimelineService> { parametersOf(roomId) }
+    TimelineService by timelineService,
-    private val sendService by inject<SendService> { parametersOf(roomId) }
+    SendService by sendService,
-    private val taskExecutor by inject<TaskExecutor>()
+    ReadService by readService {
 
     override val roomSummary: LiveData<RoomSummary> by lazy {
         val liveData = monarchy
@@ -62,19 +60,8 @@ internal data class DefaultRoom(
         }
     }
 
-    override fun timeline(eventId: String?): LiveData<TimelineData> {
-        return timelineService.timeline(eventId)
-    }
-
     override fun loadRoomMembersIfNeeded(): Cancelable {
         val params = LoadRoomMembersTask.Params(roomId, Membership.LEAVE)
         return loadRoomMembersTask.configureWith(params).executeBy(taskExecutor)
     }
-
-
-    override fun sendTextMessage(text: String, callback: MatrixCallback<Event>): Cancelable {
-        return sendService.sendTextMessage(text, callback)
-    }
-
-
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/DefaultRoomService.kt

@@ -26,15 +26,14 @@ import im.vector.matrix.android.internal.database.model.RoomEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntityFields
 import im.vector.matrix.android.internal.database.query.where
+import im.vector.matrix.android.internal.util.fetchCopied
 
-internal class DefaultRoomService(private val monarchy: Monarchy) : RoomService {
+internal class DefaultRoomService(private val monarchy: Monarchy,
+                                  private val roomFactory: RoomFactory) : RoomService {
 
     override fun getRoom(roomId: String): Room? {
-        var room: Room? = null
+        monarchy.fetchCopied { RoomEntity.where(it, roomId).findFirst() } ?: return null
-        monarchy.doWithRealm { realm ->
+        return roomFactory.instantiate(roomId)
-            room = RoomEntity.where(realm, roomId).findFirst()?.asDomain()
-        }
-        return room
     }
 
     override fun liveRoomSummaries(): LiveData<List<RoomSummary>> {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomAPI.kt

@@ -24,7 +24,12 @@ import im.vector.matrix.android.internal.session.room.send.SendResponse
 import im.vector.matrix.android.internal.session.room.timeline.EventContextResponse
 import im.vector.matrix.android.internal.session.room.timeline.PaginationResponse
 import retrofit2.Call
-import retrofit2.http.*
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.POST
+import retrofit2.http.PUT
+import retrofit2.http.Path
+import retrofit2.http.Query
 
 internal interface RoomAPI {
 
@@ -100,5 +105,14 @@ internal interface RoomAPI {
     @GET(NetworkConstants.URI_API_PREFIX_PATH_R0 + "rooms/{roomId}/event/{eventId}")
     fun getEvent(@Path("roomId") roomId: String, @Path("eventId") eventId: String): Call<Event>
 
+    /**
+     * Send read markers.
+     *
+     * @param roomId  the room id
+     * @param markers the read markers
+     */
+    @POST(NetworkConstants.URI_API_PREFIX_PATH_R0 + "rooms/{roomId}/read_markers")
+    fun sendReadMarker(@Path("roomId") roomId: String, @Body markers: Map<String, String>): Call<Unit>
+
 
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomAvatarResolver.kt

@@ -20,11 +20,11 @@ import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.events.model.toModel
-import im.vector.matrix.android.api.session.room.Room
 import im.vector.matrix.android.api.session.room.model.MyMembership
 import im.vector.matrix.android.api.session.room.model.RoomAvatarContent
 import im.vector.matrix.android.internal.database.mapper.asDomain
 import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.database.model.RoomEntity
 import im.vector.matrix.android.internal.database.query.last
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.session.room.members.RoomMembers
@@ -34,20 +34,21 @@ internal class RoomAvatarResolver(private val monarchy: Monarchy,
 
     /**
      * Compute the room avatar url
-     *
+     * @param roomId the roomId of the room to resolve avatar
      * @return the room avatar url, can be a fallback to a room member avatar or null
      */
-    fun resolve(room: Room): String? {
+    fun resolve(roomId: String): String? {
         var res: String? = null
         monarchy.doWithRealm { realm ->
-            val roomName = EventEntity.where(realm, room.roomId, EventType.STATE_ROOM_AVATAR).last()?.asDomain()
+            val roomEntity = RoomEntity.where(realm, roomId).findFirst()
+            val roomName = EventEntity.where(realm, roomId, EventType.STATE_ROOM_AVATAR).last()?.asDomain()
             res = roomName?.content.toModel<RoomAvatarContent>()?.avatarUrl
             if (!res.isNullOrEmpty()) {
                 return@doWithRealm
             }
-            val roomMembers = RoomMembers(realm, room.roomId)
+            val roomMembers = RoomMembers(realm, roomId)
             val members = roomMembers.getLoaded()
-            if (room.myMembership == MyMembership.INVITED) {
+            if (roomEntity?.membership == MyMembership.INVITED) {
                 if (members.size == 1) {
                     res = members.entries.first().value.avatarUrl
                 } else if (members.size > 1) {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomFactory.kt

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2019 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.matrix.android.internal.session.room
+
+import com.zhuinden.monarchy.Monarchy
+import im.vector.matrix.android.api.auth.data.Credentials
+import im.vector.matrix.android.api.session.room.Room
+import im.vector.matrix.android.internal.session.room.members.LoadRoomMembersTask
+import im.vector.matrix.android.internal.session.room.members.RoomMemberExtractor
+import im.vector.matrix.android.internal.session.room.read.DefaultReadService
+import im.vector.matrix.android.internal.session.room.read.SetReadMarkersTask
+import im.vector.matrix.android.internal.session.room.send.DefaultSendService
+import im.vector.matrix.android.internal.session.room.send.EventFactory
+import im.vector.matrix.android.internal.session.room.timeline.DefaultTimelineService
+import im.vector.matrix.android.internal.session.room.timeline.GetContextOfEventTask
+import im.vector.matrix.android.internal.session.room.timeline.PaginationTask
+import im.vector.matrix.android.internal.session.room.timeline.TimelineBoundaryCallback
+import im.vector.matrix.android.internal.task.TaskExecutor
+import im.vector.matrix.android.internal.util.PagingRequestHelper
+import java.util.concurrent.Executors
+
+internal class RoomFactory(private val loadRoomMembersTask: LoadRoomMembersTask,
+                           private val monarchy: Monarchy,
+                           private val credentials: Credentials,
+                           private val paginationTask: PaginationTask,
+                           private val contextOfEventTask: GetContextOfEventTask,
+                           private val setReadMarkersTask: SetReadMarkersTask,
+                           private val eventFactory: EventFactory,
+                           private val taskExecutor: TaskExecutor) {
+
+    fun instantiate(roomId: String): Room {
+        val helper = PagingRequestHelper(Executors.newSingleThreadExecutor())
+        val timelineBoundaryCallback = TimelineBoundaryCallback(roomId, taskExecutor, paginationTask, monarchy, helper)
+        val roomMemberExtractor = RoomMemberExtractor(monarchy, roomId)
+        val timelineService = DefaultTimelineService(roomId, monarchy, taskExecutor, timelineBoundaryCallback, contextOfEventTask, roomMemberExtractor)
+        val sendService = DefaultSendService(roomId, eventFactory, monarchy)
+        val readService = DefaultReadService(roomId, monarchy, setReadMarkersTask, taskExecutor)
+        return DefaultRoom(
+                roomId,
+                loadRoomMembersTask,
+                monarchy,
+                timelineService,
+                sendService,
+                readService,
+                taskExecutor
+        )
+    }
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomModule.kt

@@ -16,26 +16,19 @@
 
 package im.vector.matrix.android.internal.session.room
 
-import im.vector.matrix.android.api.auth.data.SessionParams
-import im.vector.matrix.android.api.session.room.send.SendService
-import im.vector.matrix.android.internal.session.room.send.EventFactory
-import im.vector.matrix.android.api.session.room.timeline.TimelineService
 import im.vector.matrix.android.internal.session.DefaultSession
 import im.vector.matrix.android.internal.session.room.members.DefaultLoadRoomMembersTask
 import im.vector.matrix.android.internal.session.room.members.LoadRoomMembersTask
-import im.vector.matrix.android.internal.session.room.members.RoomMemberExtractor
+import im.vector.matrix.android.internal.session.room.read.DefaultSetReadMarkersTask
-import im.vector.matrix.android.internal.session.room.send.DefaultSendService
+import im.vector.matrix.android.internal.session.room.read.SetReadMarkersTask
+import im.vector.matrix.android.internal.session.room.send.EventFactory
 import im.vector.matrix.android.internal.session.room.timeline.DefaultGetContextOfEventTask
 import im.vector.matrix.android.internal.session.room.timeline.DefaultPaginationTask
-import im.vector.matrix.android.internal.session.room.timeline.DefaultTimelineService
 import im.vector.matrix.android.internal.session.room.timeline.GetContextOfEventTask
 import im.vector.matrix.android.internal.session.room.timeline.PaginationTask
-import im.vector.matrix.android.internal.session.room.timeline.TimelineBoundaryCallback
 import im.vector.matrix.android.internal.session.room.timeline.TokenChunkEventPersistor
-import im.vector.matrix.android.internal.util.PagingRequestHelper
 import org.koin.dsl.module.module
 import retrofit2.Retrofit
-import java.util.concurrent.Executors
 
 
 class RoomModule {
@@ -64,19 +57,15 @@ class RoomModule {
         }
 
         scope(DefaultSession.SCOPE) {
-            val sessionParams = get<SessionParams>()
+            DefaultSetReadMarkersTask(get(), get(),get()) as SetReadMarkersTask
-            EventFactory(sessionParams.credentials)
         }
 
-        factory { (roomId: String) ->
+        scope(DefaultSession.SCOPE) {
-            val helper = PagingRequestHelper(Executors.newSingleThreadExecutor())
+            EventFactory(get())
-            val timelineBoundaryCallback = TimelineBoundaryCallback(roomId, get(), get(), get(), helper)
-            val roomMemberExtractor = RoomMemberExtractor(get(), roomId)
-            DefaultTimelineService(roomId, get(), get(), timelineBoundaryCallback, get(), roomMemberExtractor) as TimelineService
         }
 
-        factory { (roomId: String) ->
+        scope(DefaultSession.SCOPE) {
-            DefaultSendService(roomId, get(), get()) as SendService
+            RoomFactory(get(), get(), get(), get(), get(), get(), get(), get())
         }
 
     }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomSummaryUpdater.kt

@@ -21,7 +21,6 @@ import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.events.model.toModel
-import im.vector.matrix.android.api.session.room.Room
 import im.vector.matrix.android.api.session.room.model.RoomTopicContent
 import im.vector.matrix.android.internal.database.RealmLiveEntityObserver
 import im.vector.matrix.android.internal.database.mapper.asDomain
@@ -29,6 +28,7 @@ import im.vector.matrix.android.internal.database.model.EventEntity
 import im.vector.matrix.android.internal.database.model.RoomEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.query.last
+import im.vector.matrix.android.internal.database.query.latestEvent
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.session.room.members.RoomDisplayNameResolver
 import im.vector.matrix.android.internal.session.room.members.RoomMembers
@@ -45,28 +45,28 @@ internal class RoomSummaryUpdater(monarchy: Monarchy,
     override val query = Monarchy.Query<RoomEntity> { RoomEntity.where(it) }
 
     override fun process(inserted: List<RoomEntity>, updated: List<RoomEntity>, deleted: List<RoomEntity>) {
-        val rooms = (inserted + updated).map { it.asDomain() }
+        val rooms = (inserted + updated).map { it.roomId }
         monarchy.writeAsync { realm ->
             rooms.forEach { updateRoom(realm, it) }
         }
     }
 
-    private fun updateRoom(realm: Realm, room: Room?) {
+    private fun updateRoom(realm: Realm, roomId: String?) {
-        if (room == null) {
+        if (roomId == null) {
             return
         }
-        val roomSummary = RoomSummaryEntity.where(realm, room.roomId).findFirst()
+        val roomSummary = RoomSummaryEntity.where(realm, roomId).findFirst()
-                          ?: realm.createObject(room.roomId)
+                          ?: realm.createObject(roomId)
 
-        val lastMessageEvent = EventEntity.where(realm, room.roomId, EventType.MESSAGE).last()
+        val lastEvent = EventEntity.latestEvent(realm, roomId, includedTypes = listOf(EventType.MESSAGE))
-        val lastTopicEvent = EventEntity.where(realm, room.roomId, EventType.STATE_ROOM_TOPIC).last()?.asDomain()
+        val lastTopicEvent = EventEntity.where(realm, roomId, EventType.STATE_ROOM_TOPIC).last()?.asDomain()
 
-        val otherRoomMembers = RoomMembers(realm, room.roomId).getLoaded().filterKeys { it != credentials.userId }
+        val otherRoomMembers = RoomMembers(realm, roomId).getLoaded().filterKeys { it != credentials.userId }
 
-        roomSummary.displayName = roomDisplayNameResolver.resolve(context, room).toString()
+        roomSummary.displayName = roomDisplayNameResolver.resolve(context, roomId).toString()
-        roomSummary.avatarUrl = roomAvatarResolver.resolve(room)
+        roomSummary.avatarUrl = roomAvatarResolver.resolve(roomId)
         roomSummary.topic = lastTopicEvent?.content.toModel<RoomTopicContent>()?.topic
-        roomSummary.lastMessage = lastMessageEvent
+        roomSummary.lastMessage = lastEvent
         roomSummary.otherMemberIds.clear()
         roomSummary.otherMemberIds.addAll(otherRoomMembers.keys)
     }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/members/RoomDisplayNameResolver.kt

@@ -22,13 +22,13 @@ import im.vector.matrix.android.R
 import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.events.model.toModel
-import im.vector.matrix.android.api.session.room.Room
 import im.vector.matrix.android.api.session.room.model.MyMembership
 import im.vector.matrix.android.api.session.room.model.RoomAliasesContent
 import im.vector.matrix.android.api.session.room.model.RoomCanonicalAliasContent
 import im.vector.matrix.android.api.session.room.model.RoomNameContent
 import im.vector.matrix.android.internal.database.mapper.asDomain
 import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.database.model.RoomEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.query.last
 import im.vector.matrix.android.internal.database.query.where
@@ -45,10 +45,10 @@ internal class RoomDisplayNameResolver(private val monarchy: Monarchy,
      * Compute the room display name
      *
      * @param context
-     * @param room: the room to resolve the name of.
+     * @param roomId: the roomId to resolve the name of.
      * @return the room display name
      */
-    fun resolve(context: Context, room: Room): CharSequence {
+    fun resolve(context: Context, roomId: String): CharSequence {
         // this algorithm is the one defined in
         // https://github.com/matrix-org/matrix-js-sdk/blob/develop/lib/models/room.js#L617
         // calculateRoomName(room, userId)
@@ -57,29 +57,30 @@ internal class RoomDisplayNameResolver(private val monarchy: Monarchy,
         // https://docs.google.com/document/d/11i14UI1cUz-OJ0knD5BFu7fmT6Fo327zvMYqfSAR7xs/edit#heading=h.qif6pkqyjgzn
         var name: CharSequence? = null
         monarchy.doWithRealm { realm ->
-            val roomName = EventEntity.where(realm, room.roomId, EventType.STATE_ROOM_NAME).last()?.asDomain()
+            val roomEntity = RoomEntity.where(realm, roomId = roomId).findFirst()
+            val roomName = EventEntity.where(realm, roomId, EventType.STATE_ROOM_NAME).last()?.asDomain()
             name = roomName?.content.toModel<RoomNameContent>()?.name
             if (!name.isNullOrEmpty()) {
                 return@doWithRealm
             }
 
-            val canonicalAlias = EventEntity.where(realm, room.roomId, EventType.STATE_CANONICAL_ALIAS).last()?.asDomain()
+            val canonicalAlias = EventEntity.where(realm, roomId, EventType.STATE_CANONICAL_ALIAS).last()?.asDomain()
             name = canonicalAlias?.content.toModel<RoomCanonicalAliasContent>()?.canonicalAlias
             if (!name.isNullOrEmpty()) {
                 return@doWithRealm
             }
 
-            val aliases = EventEntity.where(realm, room.roomId, EventType.STATE_ROOM_ALIASES).last()?.asDomain()
+            val aliases = EventEntity.where(realm, roomId, EventType.STATE_ROOM_ALIASES).last()?.asDomain()
             name = aliases?.content.toModel<RoomAliasesContent>()?.aliases?.firstOrNull()
             if (!name.isNullOrEmpty()) {
                 return@doWithRealm
             }
 
-            val roomMembers = RoomMembers(realm, room.roomId)
+            val roomMembers = RoomMembers(realm, roomId)
             val otherRoomMembers = roomMembers.getLoaded()
                     .filterKeys { it != credentials.userId }
 
-            if (room.myMembership == MyMembership.INVITED) {
+            if (roomEntity?.membership == MyMembership.INVITED) {
                 //TODO handle invited
                 /*
                 if (currentUser != null
@@ -94,7 +95,7 @@ internal class RoomDisplayNameResolver(private val monarchy: Monarchy,
                 name = context.getString(R.string.room_displayname_room_invite)
             } else {
 
-                val roomSummary = RoomSummaryEntity.where(realm, room.roomId).findFirst()
+                val roomSummary = RoomSummaryEntity.where(realm, roomId).findFirst()
                 val memberIds = if (roomSummary?.heroes?.isNotEmpty() == true) {
                     roomSummary.heroes
                 } else {
@@ -125,6 +126,6 @@ internal class RoomDisplayNameResolver(private val monarchy: Monarchy,
             }
             return@doWithRealm
         }
-        return name ?: room.roomId
+        return name ?: roomId
     }
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/read/DefaultReadService.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2019 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.matrix.android.internal.session.room.read
+
+import com.zhuinden.monarchy.Monarchy
+import im.vector.matrix.android.api.MatrixCallback
+import im.vector.matrix.android.api.session.room.read.ReadService
+import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.database.query.latestEvent
+import im.vector.matrix.android.internal.task.TaskExecutor
+import im.vector.matrix.android.internal.task.configureWith
+import im.vector.matrix.android.internal.util.fetchCopied
+
+internal class DefaultReadService(private val roomId: String,
+                                  private val monarchy: Monarchy,
+                                  private val setReadMarkersTask: SetReadMarkersTask,
+                                  private val taskExecutor: TaskExecutor) : ReadService {
+
+    override fun markAllAsRead(callback: MatrixCallback<Void>) {
+        val latestEvent = getLatestEvent()
+        val params = SetReadMarkersTask.Params(roomId, fullyReadEventId = latestEvent?.eventId, readReceiptEventId = latestEvent?.eventId)
+        setReadMarkersTask.configureWith(params).executeBy(taskExecutor)
+    }
+
+    override fun setReadReceipt(eventId: String, callback: MatrixCallback<Void>) {
+        val params = SetReadMarkersTask.Params(roomId, fullyReadEventId = null, readReceiptEventId = eventId)
+        setReadMarkersTask.configureWith(params).executeBy(taskExecutor)
+    }
+
+    override fun setReadMarker(fullyReadEventId: String, callback: MatrixCallback<Void>) {
+        val params = SetReadMarkersTask.Params(roomId, fullyReadEventId = fullyReadEventId, readReceiptEventId = null)
+        setReadMarkersTask.configureWith(params).executeBy(taskExecutor)
+    }
+
+    private fun getLatestEvent(): EventEntity? {
+        return monarchy.fetchCopied { EventEntity.latestEvent(it, roomId) }
+    }
+
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/read/SetReadMarkersTask.kt

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2019 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.matrix.android.internal.session.room.read
+
+import arrow.core.Try
+import com.zhuinden.monarchy.Monarchy
+import im.vector.matrix.android.api.MatrixPatterns
+import im.vector.matrix.android.api.auth.data.Credentials
+import im.vector.matrix.android.internal.database.model.ChunkEntity
+import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.database.model.ReadReceiptEntity
+import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
+import im.vector.matrix.android.internal.database.query.find
+import im.vector.matrix.android.internal.database.query.findLastLiveChunkFromRoom
+import im.vector.matrix.android.internal.database.query.latestEvent
+import im.vector.matrix.android.internal.database.query.where
+import im.vector.matrix.android.internal.network.executeRequest
+import im.vector.matrix.android.internal.session.room.RoomAPI
+import im.vector.matrix.android.internal.task.Task
+import im.vector.matrix.android.internal.util.tryTransactionAsync
+
+internal interface SetReadMarkersTask : Task<SetReadMarkersTask.Params, Unit> {
+
+    data class Params(
+            val roomId: String,
+            val fullyReadEventId: String?,
+            val readReceiptEventId: String?
+    )
+}
+
+private const val READ_MARKER = "m.fully_read"
+private const val READ_RECEIPT = "m.read"
+
+internal class DefaultSetReadMarkersTask(private val roomAPI: RoomAPI,
+                                         private val credentials: Credentials,
+                                         private val monarchy: Monarchy
+) : SetReadMarkersTask {
+
+    override fun execute(params: SetReadMarkersTask.Params): Try<Unit> {
+        val markers = HashMap<String, String>()
+        if (params.fullyReadEventId != null && MatrixPatterns.isEventId(params.fullyReadEventId)) {
+            markers[READ_MARKER] = params.fullyReadEventId
+        }
+        if (params.readReceiptEventId != null
+                && MatrixPatterns.isEventId(params.readReceiptEventId)
+                && !isEventRead(params.roomId, params.readReceiptEventId)) {
+
+            updateNotificationCountIfNecessary(params.roomId, params.readReceiptEventId)
+            markers[READ_RECEIPT] = params.readReceiptEventId
+        }
+        return if (markers.isEmpty()) {
+            Try.just(Unit)
+        } else {
+            executeRequest {
+                apiCall = roomAPI.sendReadMarker(params.roomId, markers)
+            }
+        }
+    }
+
+    private fun updateNotificationCountIfNecessary(roomId: String, eventId: String) {
+        monarchy.tryTransactionAsync { realm ->
+            val isLatestReceived = EventEntity.latestEvent(realm, eventId)?.eventId == eventId
+            if (isLatestReceived) {
+                val roomSummary = RoomSummaryEntity.where(realm, roomId).findFirst()
+                        ?: return@tryTransactionAsync
+                roomSummary.notificationCount = 0
+                roomSummary.highlightCount = 0
+            }
+        }
+    }
+
+    private fun isEventRead(roomId: String, eventId: String): Boolean {
+        var isEventRead = false
+        monarchy.doWithRealm {
+            val readReceipt = ReadReceiptEntity.where(it, roomId, credentials.userId).findFirst()
+                    ?: return@doWithRealm
+            val liveChunk = ChunkEntity.findLastLiveChunkFromRoom(it, roomId)
+                    ?: return@doWithRealm
+            val readReceiptIndex = liveChunk.events.find(readReceipt.eventId)?.displayIndex
+                    ?: -1
+            val eventToCheckIndex = liveChunk.events.find(eventId)?.displayIndex ?: -1
+            isEventRead = eventToCheckIndex >= readReceiptIndex
+        }
+        return isEventRead
+    }
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/RoomSyncHandler.kt

@@ -21,6 +21,7 @@ import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.events.model.toModel
 import im.vector.matrix.android.api.session.room.model.MyMembership
+import im.vector.matrix.android.api.session.room.model.tag.RoomTagContent
 import im.vector.matrix.android.internal.database.helper.addAll
 import im.vector.matrix.android.internal.database.helper.addOrUpdate
 import im.vector.matrix.android.internal.database.helper.addStateEvents
@@ -31,13 +32,19 @@ import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.query.findLastLiveChunkFromRoom
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.session.room.timeline.PaginationDirection
-import im.vector.matrix.android.internal.session.sync.model.*
+import im.vector.matrix.android.internal.session.sync.model.InvitedRoomSync
+import im.vector.matrix.android.internal.session.sync.model.RoomSync
+import im.vector.matrix.android.internal.session.sync.model.RoomSyncAccountData
+import im.vector.matrix.android.internal.session.sync.model.RoomSyncEphemeral
+import im.vector.matrix.android.internal.session.sync.model.RoomSyncSummary
+import im.vector.matrix.android.internal.session.sync.model.RoomSyncUnreadNotifications
+import im.vector.matrix.android.internal.session.sync.model.RoomsSyncResponse
 import io.realm.Realm
 import io.realm.kotlin.createObject
 
-
 internal class RoomSyncHandler(private val monarchy: Monarchy,
-                               private val readReceiptHandler: ReadReceiptHandler) {
+                               private val readReceiptHandler: ReadReceiptHandler,
+                               private val roomTagHandler: RoomTagHandler) {
 
     sealed class HandlingStrategy {
         data class JOINED(val data: Map<String, RoomSync>) : HandlingStrategy()
@@ -105,9 +112,18 @@ internal class RoomSyncHandler(private val monarchy: Monarchy,
             handleRoomSummary(realm, roomId, roomSync.summary)
         }
 
+        if (roomSync.unreadNotifications != null) {
+            handleUnreadNotifications(realm, roomId, roomSync.unreadNotifications)
+        }
+
         if (roomSync.ephemeral != null && roomSync.ephemeral.events.isNotEmpty()) {
             handleEphemeral(realm, roomId, roomSync.ephemeral)
         }
+
+        if (roomSync.accountData != null && roomSync.accountData.events.isNullOrEmpty().not()) {
+            handleRoomAccountDataEvents(realm, roomId, roomSync.accountData)
+        }
+
         return roomEntity
     }
 
@@ -182,4 +198,26 @@ internal class RoomSyncHandler(private val monarchy: Monarchy,
                 .map { it.content.toModel<ReadReceiptContent>() }
                 .flatMap { readReceiptHandler.handle(realm, roomId, it) }
     }
+
+    private fun handleUnreadNotifications(realm: Realm, roomId: String, unreadNotifications: RoomSyncUnreadNotifications) {
+        val roomSummaryEntity = RoomSummaryEntity.where(realm, roomId).findFirst()
+                                ?: RoomSummaryEntity(roomId)
+
+        if (unreadNotifications.highlightCount != null) {
+            roomSummaryEntity.highlightCount = unreadNotifications.highlightCount
+        }
+        if (unreadNotifications.notificationCount != null) {
+            roomSummaryEntity.notificationCount = unreadNotifications.notificationCount
+        }
+        realm.insertOrUpdate(roomSummaryEntity)
+
+    }
+
+    private fun handleRoomAccountDataEvents(realm: Realm, roomId: String, accountData: RoomSyncAccountData) {
+        accountData.events
+                .filter { it.type == EventType.TAG }
+                .map { it.content.toModel<RoomTagContent>() }
+                .forEach { roomTagHandler.handle(realm, roomId, it) }
+    }
+
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/RoomTagHandler.kt

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2019 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.matrix.android.internal.session.sync
+
+import im.vector.matrix.android.api.session.room.model.tag.RoomTagContent
+import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
+import im.vector.matrix.android.internal.database.model.RoomTagEntity
+import im.vector.matrix.android.internal.database.query.where
+import io.realm.Realm
+import java.util.*
+
+internal class RoomTagHandler {
+
+    fun handle(realm: Realm, roomId: String, content: RoomTagContent?) {
+        if (content == null) {
+            return
+        }
+        val tags = ArrayList<RoomTagEntity>()
+        for (tagName in content.tags.keys) {
+            val params = content.tags[tagName]
+            val tag = if (params != null) {
+                RoomTagEntity(tagName, params["order"])
+            } else {
+                RoomTagEntity(tagName, null)
+            }
+            tags.add(tag)
+        }
+        val roomSummaryEntity = RoomSummaryEntity.where(realm, roomId).findFirst()
+                                ?: RoomSummaryEntity(roomId)
+
+        roomSummaryEntity.tags.clear()
+        roomSummaryEntity.tags.addAll(tags)
+        realm.insertOrUpdate(roomSummaryEntity)
+    }
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/SyncModule.kt

@@ -36,7 +36,11 @@ internal class SyncModule {
         }
 
         scope(DefaultSession.SCOPE) {
-            RoomSyncHandler(get(), get())
+            RoomTagHandler()
+        }
+
+        scope(DefaultSession.SCOPE) {
+            RoomSyncHandler(get(), get(), get())
         }
 
         scope(DefaultSession.SCOPE) {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/model/RoomSyncAccountData.kt

@@ -25,5 +25,5 @@ internal data class RoomSyncAccountData(
         /**
          * List of account data events (array of Event).
          */
-        @Json(name = "events") val events: List<Event>? = null
+        @Json(name = "events") val events: List<Event> = emptyList()
 )

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/util/Monarchy.kt

@@ -19,6 +19,8 @@ package im.vector.matrix.android.internal.util
 import arrow.core.Try
 import com.zhuinden.monarchy.Monarchy
 import io.realm.Realm
+import io.realm.RealmModel
+import java.util.concurrent.atomic.AtomicReference
 
 internal fun Monarchy.tryTransactionSync(transaction: (realm: Realm) -> Unit): Try<Unit> {
     return Try {
@@ -31,3 +33,12 @@ internal fun Monarchy.tryTransactionAsync(transaction: (realm: Realm) -> Unit):
         this.writeAsync(transaction)
     }
 }
+
+fun <T : RealmModel> Monarchy.fetchCopied(query: (Realm) -> T?): T? {
+    val ref = AtomicReference<T>()
+    doWithRealm { realm ->
+        val result = query.invoke(realm)?.let { realm.copyFromRealm(it) }
+        ref.set(result)
+    }
+    return ref.get()
+}