Merge pull request #792 from vector-im/feature/stabilization

Feature/stabilization

matrix-sdk-android-rx/src/main/java/im/vector/matrix/rx/RxRoom.kt

@@ -17,13 +17,16 @@
 package im.vector.matrix.rx
 
 import im.vector.matrix.android.api.session.room.Room
+import im.vector.matrix.android.api.session.room.members.RoomMemberQueryParams
 import im.vector.matrix.android.api.session.room.model.EventAnnotationsSummary
 import im.vector.matrix.android.api.session.room.model.ReadReceipt
+import im.vector.matrix.android.api.session.room.model.RoomMember
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.matrix.android.api.session.room.notification.RoomNotificationState
 import im.vector.matrix.android.api.session.room.send.UserDraft
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.api.util.Optional
+import im.vector.matrix.android.api.util.toOptional
 import io.reactivex.Observable
 import io.reactivex.Single
 
@@ -31,18 +34,22 @@ class RxRoom(private val room: Room) {
 
     fun liveRoomSummary(): Observable<Optional<RoomSummary>> {
         return room.getRoomSummaryLive().asObservable()
+                .startWith(room.roomSummary().toOptional())
     }
 
-    fun liveRoomMemberIds(): Observable<List<String>> {
-        return room.getRoomMemberIdsLive().asObservable()
+    fun liveRoomMembers(queryParams: RoomMemberQueryParams): Observable<List<RoomMember>> {
+        return room.getRoomMembersLive(queryParams).asObservable()
+                .startWith(room.getRoomMembers(queryParams))
     }
 
     fun liveAnnotationSummary(eventId: String): Observable<Optional<EventAnnotationsSummary>> {
-        return room.getEventSummaryLive(eventId).asObservable()
+        return room.getEventAnnotationsSummaryLive(eventId).asObservable()
+                .startWith(room.getEventAnnotationsSummary(eventId).toOptional())
     }
 
     fun liveTimelineEvent(eventId: String): Observable<Optional<TimelineEvent>> {
         return room.getTimeLineEventLive(eventId).asObservable()
+                .startWith(room.getTimeLineEvent(eventId).toOptional())
     }
 
     fun liveReadMarker(): Observable<Optional<String>> {

matrix-sdk-android-rx/src/main/java/im/vector/matrix/rx/RxSession.kt

@@ -18,8 +18,10 @@ package im.vector.matrix.rx
 
 import androidx.paging.PagedList
 import im.vector.matrix.android.api.session.Session
+import im.vector.matrix.android.api.session.group.GroupSummaryQueryParams
 import im.vector.matrix.android.api.session.group.model.GroupSummary
 import im.vector.matrix.android.api.session.pushers.Pusher
+import im.vector.matrix.android.api.session.room.RoomSummaryQueryParams
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.matrix.android.api.session.room.model.create.CreateRoomParams
 import im.vector.matrix.android.api.session.sync.SyncState
@@ -30,40 +32,43 @@ import io.reactivex.Single
 
 class RxSession(private val session: Session) {
 
-    fun liveRoomSummaries(): Observable<List<RoomSummary>> {
-        return session.liveRoomSummaries().asObservable()
+    fun liveRoomSummaries(queryParams: RoomSummaryQueryParams): Observable<List<RoomSummary>> {
+        return session.getRoomSummariesLive(queryParams).asObservable()
+                .startWith(session.getRoomSummaries(queryParams))
     }
 
-    fun liveGroupSummaries(): Observable<List<GroupSummary>> {
-        return session.liveGroupSummaries().asObservable()
+    fun liveGroupSummaries(queryParams: GroupSummaryQueryParams): Observable<List<GroupSummary>> {
+        return session.getGroupSummariesLive(queryParams).asObservable()
+                .startWith(session.getGroupSummaries(queryParams))
     }
 
     fun liveBreadcrumbs(): Observable<List<RoomSummary>> {
-        return session.liveBreadcrumbs().asObservable()
+        return session.getBreadcrumbsLive().asObservable()
+                .startWith(session.getBreadcrumbs())
     }
 
     fun liveSyncState(): Observable<SyncState> {
-        return session.syncState().asObservable()
+        return session.getSyncStateLive().asObservable()
     }
 
     fun livePushers(): Observable<List<Pusher>> {
-        return session.livePushers().asObservable()
+        return session.getPushersLive().asObservable()
     }
 
     fun liveUser(userId: String): Observable<Optional<User>> {
-        return session.liveUser(userId).asObservable().distinctUntilChanged()
+        return session.getUserLive(userId).asObservable().distinctUntilChanged()
     }
 
     fun liveUsers(): Observable<List<User>> {
-        return session.liveUsers().asObservable()
+        return session.getUsersLive().asObservable()
     }
 
     fun liveIgnoredUsers(): Observable<List<User>> {
-        return session.liveIgnoredUsers().asObservable()
+        return session.getIgnoredUsersLive().asObservable()
     }
 
     fun livePagedUsers(filter: String? = null): Observable<PagedList<User>> {
-        return session.livePagedUsers(filter).asObservable()
+        return session.getPagedUsersLive(filter).asObservable()
     }
 
     fun createRoom(roomParams: CreateRoomParams): Single<String> = singleBuilder {

matrix-sdk-android/build.gradle

@@ -10,7 +10,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath "io.realm:realm-gradle-plugin:5.12.0"
+        classpath "io.realm:realm-gradle-plugin:6.0.2"
     }
 }
 
@@ -102,7 +102,6 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
 
     implementation "androidx.appcompat:appcompat:1.1.0"
-    implementation "androidx.recyclerview:recyclerview:1.1.0-beta05"
 
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     kapt "androidx.lifecycle:lifecycle-compiler:$lifecycle_version"
@@ -119,14 +118,14 @@ dependencies {
     implementation "ru.noties.markwon:core:$markwon_version"
 
     // Image
-    implementation 'androidx.exifinterface:exifinterface:1.0.0'
+    implementation 'androidx.exifinterface:exifinterface:1.1.0'
 
     // Database
     implementation 'com.github.Zhuinden:realm-monarchy:0.5.1'
     kapt 'dk.ilios:realmfieldnameshelper:1.1.1'
 
     // Work
-    implementation "androidx.work:work-runtime-ktx:2.3.0-alpha01"
+    implementation "androidx.work:work-runtime-ktx:2.3.0-beta02"
 
     // FP
     implementation "io.arrow-kt:arrow-core:$arrow_version"

matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/session/room/timeline/ChunkEntityTest.kt

@@ -19,7 +19,10 @@ package im.vector.matrix.android.session.room.timeline
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.InstrumentedTest
-import im.vector.matrix.android.internal.database.helper.*
+import im.vector.matrix.android.api.session.events.model.Event
+import im.vector.matrix.android.internal.database.helper.add
+import im.vector.matrix.android.internal.database.helper.lastStateIndex
+import im.vector.matrix.android.internal.database.helper.merge
 import im.vector.matrix.android.internal.database.model.ChunkEntity
 import im.vector.matrix.android.internal.database.model.SessionRealmModule
 import im.vector.matrix.android.internal.session.room.timeline.PaginationDirection
@@ -29,7 +32,6 @@ import im.vector.matrix.android.session.room.timeline.RoomDataHelper.createFakeR
 import io.realm.Realm
 import io.realm.RealmConfiguration
 import io.realm.kotlin.createObject
-import org.amshove.kluent.shouldBeFalse
 import org.amshove.kluent.shouldBeTrue
 import org.amshove.kluent.shouldEqual
 import org.junit.Before
@@ -146,30 +148,6 @@ internal class ChunkEntityTest : InstrumentedTest {
         }
     }
 
-    @Test
-    fun merge_shouldEventsBeLinked_whenMergingLinkedWithUnlinked() {
-        monarchy.runTransactionSync { realm ->
-            val chunk1: ChunkEntity = realm.createObject()
-            val chunk2: ChunkEntity = realm.createObject()
-            chunk1.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = true)
-            chunk2.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = false)
-            chunk1.merge("roomId", chunk2, PaginationDirection.BACKWARDS)
-            chunk1.isUnlinked().shouldBeFalse()
-        }
-    }
-
-    @Test
-    fun merge_shouldEventsBeUnlinked_whenMergingUnlinkedWithUnlinked() {
-        monarchy.runTransactionSync { realm ->
-            val chunk1: ChunkEntity = realm.createObject()
-            val chunk2: ChunkEntity = realm.createObject()
-            chunk1.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = true)
-            chunk2.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = true)
-            chunk1.merge("roomId", chunk2, PaginationDirection.BACKWARDS)
-            chunk1.isUnlinked().shouldBeTrue()
-        }
-    }
-
     @Test
     fun merge_shouldPrevTokenMerged_whenMergingForwards() {
         monarchy.runTransactionSync { realm ->
@@ -177,8 +155,8 @@ internal class ChunkEntityTest : InstrumentedTest {
             val chunk2: ChunkEntity = realm.createObject()
             val prevToken = "prev_token"
             chunk1.prevToken = prevToken
-            chunk1.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = true)
-            chunk2.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = true)
+            chunk1.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS)
+            chunk2.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS)
             chunk1.merge("roomId", chunk2, PaginationDirection.FORWARDS)
             chunk1.prevToken shouldEqual prevToken
         }
@@ -191,10 +169,19 @@ internal class ChunkEntityTest : InstrumentedTest {
             val chunk2: ChunkEntity = realm.createObject()
             val nextToken = "next_token"
             chunk1.nextToken = nextToken
-            chunk1.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = true)
-            chunk2.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS, isUnlinked = true)
+            chunk1.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS)
+            chunk2.addAll("roomId", createFakeListOfEvents(30), PaginationDirection.BACKWARDS)
             chunk1.merge("roomId", chunk2, PaginationDirection.BACKWARDS)
             chunk1.nextToken shouldEqual nextToken
         }
     }
+
+    private fun ChunkEntity.addAll(roomId: String,
+                                   events: List<Event>,
+                                   direction: PaginationDirection,
+                                   stateIndexOffset: Int = 0) {
+        events.forEach { event ->
+            add(roomId, event, direction, stateIndexOffset)
+        }
+    }
 }

matrix-sdk-android/src/androidTest/java/im/vector/matrix/android/session/room/timeline/RoomDataHelper.kt

@@ -16,7 +16,6 @@
 
 package im.vector.matrix.android.session.room.timeline
 
-import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.session.events.model.Content
 import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.android.api.session.events.model.EventType
@@ -25,12 +24,6 @@ import im.vector.matrix.android.api.session.room.model.Membership
 import im.vector.matrix.android.api.session.room.model.RoomMember
 import im.vector.matrix.android.api.session.room.model.message.MessageTextContent
 import im.vector.matrix.android.api.session.room.model.message.MessageType
-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.model.ChunkEntity
-import im.vector.matrix.android.internal.database.model.RoomEntity
-import im.vector.matrix.android.internal.session.room.timeline.PaginationDirection
-import io.realm.kotlin.createObject
 import kotlin.random.Random
 
 object RoomDataHelper {
@@ -73,19 +66,4 @@ object RoomDataHelper {
         val roomMember = RoomMember(Membership.JOIN, "Fake name #${Random.nextLong()}").toContent()
         return createFakeEvent(EventType.STATE_ROOM_MEMBER, roomMember)
     }
-
-    fun fakeInitialSync(monarchy: Monarchy, roomId: String) {
-        monarchy.runTransactionSync { realm ->
-            val roomEntity = realm.createObject<RoomEntity>(roomId)
-            roomEntity.membership = Membership.JOIN
-            val eventList = createFakeListOfEvents(10)
-            val chunkEntity = realm.createObject<ChunkEntity>().apply {
-                nextToken = null
-                prevToken = Random.nextLong(System.currentTimeMillis()).toString()
-                isLastForward = true
-            }
-            chunkEntity.addAll(roomId, eventList, PaginationDirection.FORWARDS)
-            roomEntity.addOrUpdate(chunkEntity)
-        }
-    }
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/query/QueryStringValue.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 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.query
+
+/**
+ * Basic query language. All these cases are mutually exclusive.
+ */
+sealed class QueryStringValue {
+    object NoCondition : QueryStringValue()
+    object IsNull : QueryStringValue()
+    object IsNotNull : QueryStringValue()
+    object IsEmpty : QueryStringValue()
+    object IsNotEmpty : QueryStringValue()
+    data class Equals(val string: String, val case: Case) : QueryStringValue()
+    data class Contains(val string: String, val case: Case) : QueryStringValue()
+
+    enum class Case {
+        SENSITIVE,
+        INSENSITIVE
+    }
+}

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

@@ -107,7 +107,7 @@ interface Session :
      * This method allows to listen the sync state.
      * @return a [LiveData] of [SyncState].
      */
-    fun syncState(): LiveData<SyncState>
+    fun getSyncStateLive(): LiveData<SyncState>
 
     /**
      * This methods return true if an initial sync has been processed

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/group/GroupService.kt

@@ -38,9 +38,15 @@ interface GroupService {
      */
     fun getGroupSummary(groupId: String): GroupSummary?
 
+    /**
+     * Get a list of group summaries. This list is a snapshot of the data.
+     * @return the list of [GroupSummary]
+     */
+    fun getGroupSummaries(groupSummaryQueryParams: GroupSummaryQueryParams): List<GroupSummary>
+
     /**
      * Get a live list of group summaries. This list is refreshed as soon as the data changes.
      * @return the [LiveData] of [GroupSummary]
      */
-    fun liveGroupSummaries(): LiveData<List<GroupSummary>>
+    fun getGroupSummariesLive(groupSummaryQueryParams: GroupSummaryQueryParams): LiveData<List<GroupSummary>>
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/group/GroupSummaryQueryParams.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2020 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.group
+
+import im.vector.matrix.android.api.query.QueryStringValue
+import im.vector.matrix.android.api.session.room.model.Membership
+
+fun groupSummaryQueryParams(init: (GroupSummaryQueryParams.Builder.() -> Unit) = {}): GroupSummaryQueryParams {
+    return GroupSummaryQueryParams.Builder().apply(init).build()
+}
+
+/**
+ * This class can be used to filter group summaries
+ */
+data class GroupSummaryQueryParams(
+        val displayName: QueryStringValue,
+        val memberships: List<Membership>
+) {
+
+    class Builder {
+
+        var displayName: QueryStringValue = QueryStringValue.IsNotEmpty
+        var memberships: List<Membership> = Membership.all()
+
+        fun build() = GroupSummaryQueryParams(
+                displayName = displayName,
+                memberships = memberships
+        )
+    }
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/pushers/PushersService.kt

@@ -58,7 +58,7 @@ interface PushersService {
         const val EVENT_ID_ONLY = "event_id_only"
     }
 
-    fun livePushers(): LiveData<List<Pusher>>
+    fun getPushersLive(): LiveData<List<Pusher>>
 
     fun pushers() : List<Pusher>
 }

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

@@ -56,5 +56,8 @@ interface Room :
      */
     fun getRoomSummaryLive(): LiveData<Optional<RoomSummary>>
 
+    /**
+     * A current snapshot of [RoomSummary] associated with the room
+     */
     fun roomSummary(): RoomSummary?
 }

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

@@ -60,16 +60,28 @@ interface RoomService {
     fun getRoomSummary(roomIdOrAlias: String): RoomSummary?
 
     /**
-     * Get a live list of room summaries. This list is refreshed as soon as the data changes.
-     * @return the [LiveData] of [RoomSummary]
+     * Get a snapshot list of room summaries.
+     * @return the immutable list of [RoomSummary]
      */
-    fun liveRoomSummaries(): LiveData<List<RoomSummary>>
+    fun getRoomSummaries(queryParams: RoomSummaryQueryParams): List<RoomSummary>
+
+    /**
+     * Get a live list of room summaries. This list is refreshed as soon as the data changes.
+     * @return the [LiveData] of List[RoomSummary]
+     */
+    fun getRoomSummariesLive(queryParams: RoomSummaryQueryParams): LiveData<List<RoomSummary>>
+
+    /**
+     * Get a snapshot list of Breadcrumbs
+     * @return the immutable list of [RoomSummary]
+     */
+    fun getBreadcrumbs(): List<RoomSummary>
 
     /**
      * Get a live list of Breadcrumbs
      * @return the [LiveData] of [RoomSummary]
      */
-    fun liveBreadcrumbs(): LiveData<List<RoomSummary>>
+    fun getBreadcrumbsLive(): LiveData<List<RoomSummary>>
 
     /**
      * Inform the Matrix SDK that a room is displayed.

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

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2020 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
+
+import im.vector.matrix.android.api.query.QueryStringValue
+import im.vector.matrix.android.api.session.room.model.Membership
+
+fun roomSummaryQueryParams(init: (RoomSummaryQueryParams.Builder.() -> Unit) = {}): RoomSummaryQueryParams {
+    return RoomSummaryQueryParams.Builder().apply(init).build()
+}
+
+/**
+ * This class can be used to filter room summaries to use with:
+ * [im.vector.matrix.android.api.session.room.Room] and [im.vector.matrix.android.api.session.room.RoomService]
+ */
+data class RoomSummaryQueryParams(
+        val displayName: QueryStringValue,
+        val canonicalAlias: QueryStringValue,
+        val memberships: List<Membership>
+) {
+
+    class Builder {
+
+        var displayName: QueryStringValue = QueryStringValue.IsNotEmpty
+        var canonicalAlias: QueryStringValue = QueryStringValue.NoCondition
+        var memberships: List<Membership> = Membership.all()
+
+        fun build() = RoomSummaryQueryParams(
+                displayName = displayName,
+                canonicalAlias = canonicalAlias,
+                memberships = memberships
+        )
+    }
+}

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

@@ -41,11 +41,18 @@ interface MembershipService {
     fun getRoomMember(userId: String): RoomMember?
 
     /**
-     * Return all the roomMembers ids of the room
-     *
+     * Return all the roomMembers of the room with params
+     * @param queryParams the params to query for
+     * @return a roomMember list.
+     */
+    fun getRoomMembers(queryParams: RoomMemberQueryParams): List<RoomMember>
+
+    /**
+     * Return all the roomMembers of the room filtered by memberships
+     * @param queryParams the params to query for
      * @return a [LiveData] of roomMember list.
      */
-    fun getRoomMemberIdsLive(): LiveData<List<String>>
+    fun getRoomMembersLive(queryParams: RoomMemberQueryParams): LiveData<List<RoomMember>>
 
     fun getNumberOfJoinedMembers(): Int
 

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

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2020 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.members
+
+import im.vector.matrix.android.api.query.QueryStringValue
+import im.vector.matrix.android.api.session.room.model.Membership
+
+fun roomMemberQueryParams(init: (RoomMemberQueryParams.Builder.() -> Unit) = {}): RoomMemberQueryParams {
+    return RoomMemberQueryParams.Builder().apply(init).build()
+}
+
+/**
+ * This class can be used to filter room members
+ */
+data class RoomMemberQueryParams(
+        val displayName: QueryStringValue,
+        val memberships: List<Membership>
+) {
+
+    class Builder {
+
+        var displayName: QueryStringValue = QueryStringValue.IsNotEmpty
+        var memberships: List<Membership> = Membership.all()
+
+        fun build() = RoomMemberQueryParams(
+                displayName = displayName,
+                memberships = memberships
+        )
+    }
+}

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

@@ -43,4 +43,14 @@ enum class Membership(val value: String) {
     fun isLeft(): Boolean {
         return this == KNOCK || this == LEAVE || this == BAN
     }
+
+    companion object {
+        fun activeMemberships(): List<Membership> {
+            return listOf(INVITE, JOIN)
+        }
+
+        fun all(): List<Membership> {
+            return values().asList()
+        }
+    }
 }

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

@@ -16,23 +16,12 @@
 
 package im.vector.matrix.android.api.session.room.model
 
-import com.squareup.moshi.Json
-import com.squareup.moshi.JsonClass
-import im.vector.matrix.android.api.session.events.model.UnsignedData
-
 /**
- * Class representing the EventType.STATE_ROOM_MEMBER state event content
+ * Class representing a simplified version of EventType.STATE_ROOM_MEMBER state event content
  */
-@JsonClass(generateAdapter = true)
 data class RoomMember(
-        @Json(name = "membership") val membership: Membership,
-        @Json(name = "reason") val reason: String? = null,
-        @Json(name = "displayname") val displayName: String? = null,
-        @Json(name = "avatar_url") val avatarUrl: String? = null,
-        @Json(name = "is_direct") val isDirect: Boolean = false,
-        @Json(name = "third_party_invite") val thirdPartyInvite: Invite? = null,
-        @Json(name = "unsigned") val unsignedData: UnsignedData? = null
-) {
-    val safeReason
-        get() = reason?.takeIf { it.isNotBlank() }
-}
+        val membership: Membership,
+        val userId: String,
+        val displayName: String? = null,
+        val avatarUrl: String? = null
+)

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/RoomMemberContent.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.matrix.android.api.session.room.model
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+import im.vector.matrix.android.api.session.events.model.UnsignedData
+
+/**
+ * Class representing the EventType.STATE_ROOM_MEMBER state event content
+ */
+@JsonClass(generateAdapter = true)
+data class RoomMemberContent(
+        @Json(name = "membership") val membership: Membership,
+        @Json(name = "reason") val reason: String? = null,
+        @Json(name = "displayname") val displayName: String? = null,
+        @Json(name = "avatar_url") val avatarUrl: String? = null,
+        @Json(name = "is_direct") val isDirect: Boolean = false,
+        @Json(name = "third_party_invite") val thirdPartyInvite: Invite? = null,
+        @Json(name = "unsigned") val unsignedData: UnsignedData? = null
+) {
+    val safeReason
+        get() = reason?.takeIf { it.isNotBlank() }
+}

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

@@ -41,7 +41,8 @@ data class RoomSummary(
         val membership: Membership = Membership.NONE,
         val versioningState: VersioningState = VersioningState.NONE,
         val readMarkerId: String? = null,
-        val userDrafts: List<UserDraft> = emptyList()
+        val userDrafts: List<UserDraft> = emptyList(),
+        var isEncrypted: Boolean
 ) {
 
     val isVersioned: Boolean

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

@@ -108,5 +108,17 @@ interface RelationService {
                        replyText: CharSequence,
                        autoMarkdown: Boolean = false): Cancelable?
 
-    fun getEventSummaryLive(eventId: String): LiveData<Optional<EventAnnotationsSummary>>
+    /**
+     * Get the current EventAnnotationsSummary
+     * @param eventId the eventId to look for EventAnnotationsSummary
+     * @return the EventAnnotationsSummary found
+     */
+    fun getEventAnnotationsSummary(eventId: String): EventAnnotationsSummary?
+
+    /**
+     * Get a LiveData of EventAnnotationsSummary for the specified eventId
+     * @param eventId the eventId to look for EventAnnotationsSummary
+     * @return the LiveData of EventAnnotationsSummary
+     */
+    fun getEventAnnotationsSummaryLive(eventId: String): LiveData<Optional<EventAnnotationsSummary>>
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/user/UserService.kt

@@ -50,25 +50,25 @@ interface UserService {
      * @param userId the userId to look for.
      * @return a LiveData of user with userId
      */
-    fun liveUser(userId: String): LiveData<Optional<User>>
+    fun getUserLive(userId: String): LiveData<Optional<User>>
 
     /**
      * Observe a live list of users sorted alphabetically
      * @return a Livedata of users
      */
-    fun liveUsers(): LiveData<List<User>>
+    fun getUsersLive(): LiveData<List<User>>
 
     /**
      * Observe a live [PagedList] of users sorted alphabetically. You can filter the users.
      * @param filter the filter. It will look into userId and displayName.
      * @return a Livedata of users
      */
-    fun livePagedUsers(filter: String? = null): LiveData<PagedList<User>>
+    fun getPagedUsersLive(filter: String? = null): LiveData<PagedList<User>>
 
     /**
      * Get list of ignored users
      */
-    fun liveIgnoredUsers(): LiveData<List<User>>
+    fun getIgnoredUsersLive(): LiveData<List<User>>
 
     /**
      * Ignore users

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/util/MatrixItem.kt

@@ -18,6 +18,7 @@ package im.vector.matrix.android.api.util
 
 import im.vector.matrix.android.BuildConfig
 import im.vector.matrix.android.api.session.group.model.GroupSummary
+import im.vector.matrix.android.api.session.room.model.RoomMember
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.matrix.android.api.session.room.model.roomdirectory.PublicRoom
 import im.vector.matrix.android.api.session.user.model.User
@@ -146,3 +147,4 @@ fun GroupSummary.toMatrixItem() = MatrixItem.GroupItem(groupId, displayName, ava
 fun RoomSummary.toMatrixItem() = MatrixItem.RoomItem(roomId, displayName, avatarUrl)
 fun RoomSummary.toRoomAliasMatrixItem() = MatrixItem.RoomAliasItem(canonicalAlias ?: roomId, displayName, avatarUrl)
 fun PublicRoom.toMatrixItem() = MatrixItem.RoomItem(roomId, name, avatarUrl)
+fun RoomMember.toMatrixItem() = MatrixItem.UserItem(userId, displayName, avatarUrl)

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

@@ -59,6 +59,7 @@ internal class SessionRealmConfigurationFactory @Inject constructor(private val
                 .apply()
 
         val realmConfiguration = RealmConfiguration.Builder()
+                .compactOnLaunch()
                 .directory(directory)
                 .name(REALM_NAME)
                 .apply {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/helper/ChunkEntityHelper.kt

@@ -28,15 +28,7 @@ import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.extensions.assertIsManaged
 import im.vector.matrix.android.internal.session.room.timeline.PaginationDirection
 import io.realm.Sort
-
-// By default if a chunk is empty we consider it unlinked
-internal fun ChunkEntity.isUnlinked(): Boolean {
-    assertIsManaged()
-    return timelineEvents.where()
-            .equalTo(TimelineEventEntityFields.ROOT.IS_UNLINKED, false)
-            .findAll()
-            .isEmpty()
-}
+import io.realm.kotlin.createObject
 
 internal fun ChunkEntity.deleteOnCascade() {
     assertIsManaged()
@@ -46,11 +38,10 @@ internal fun ChunkEntity.deleteOnCascade() {
 
 internal fun ChunkEntity.merge(roomId: String,
                                chunkToMerge: ChunkEntity,
-                               direction: PaginationDirection) {
+                               direction: PaginationDirection): List<TimelineEventEntity> {
     assertIsManaged()
-    val isChunkToMergeUnlinked = chunkToMerge.isUnlinked()
-    val isCurrentChunkUnlinked = this.isUnlinked()
-    val isUnlinked = isCurrentChunkUnlinked && isChunkToMergeUnlinked
+    val isChunkToMergeUnlinked = chunkToMerge.isUnlinked
+    val isCurrentChunkUnlinked = isUnlinked
 
     if (isCurrentChunkUnlinked && !isChunkToMergeUnlinked) {
         this.timelineEvents.forEach { it.root?.isUnlinked = false }
@@ -65,49 +56,21 @@ internal fun ChunkEntity.merge(roomId: String,
         this.isLastBackward = chunkToMerge.isLastBackward
         eventsToMerge = chunkToMerge.timelineEvents.sort(TimelineEventEntityFields.ROOT.DISPLAY_INDEX, Sort.DESCENDING)
     }
-    val events = eventsToMerge.mapNotNull { it.root?.asDomain() }
-    val eventIds = ArrayList<String>()
-    events.forEach { event ->
-        add(roomId, event, direction, isUnlinked = isUnlinked)
-        if (event.eventId != null) {
-            eventIds.add(event.eventId)
-        }
-    }
-    updateSenderDataFor(eventIds)
-}
-
-internal fun ChunkEntity.addAll(roomId: String,
-                                events: List<Event>,
-                                direction: PaginationDirection,
-                                stateIndexOffset: Int = 0,
-        // Set to true for Event retrieved from a Permalink (i.e. not linked to live Chunk)
-                                isUnlinked: Boolean = false) {
-    assertIsManaged()
-    val eventIds = ArrayList<String>()
-    events.forEach { event ->
-        add(roomId, event, direction, stateIndexOffset, isUnlinked)
-        if (event.eventId != null) {
-            eventIds.add(event.eventId)
-        }
-    }
-    updateSenderDataFor(eventIds)
-}
-
-internal fun ChunkEntity.updateSenderDataFor(eventIds: List<String>) {
-    for (eventId in eventIds) {
-        val timelineEventEntity = timelineEvents.find(eventId) ?: continue
-        timelineEventEntity.updateSenderData()
-    }
+    return eventsToMerge
+            .mapNotNull {
+                val event = it.root?.asDomain() ?: return@mapNotNull null
+                add(roomId, event, direction)
+            }
 }
 
 internal fun ChunkEntity.add(roomId: String,
                              event: Event,
                              direction: PaginationDirection,
-                             stateIndexOffset: Int = 0,
-                             isUnlinked: Boolean = false) {
+                             stateIndexOffset: Int = 0
+): TimelineEventEntity? {
     assertIsManaged()
     if (event.eventId != null && timelineEvents.find(event.eventId) != null) {
-        return
+        return null
     }
     var currentDisplayIndex = lastDisplayIndex(direction, 0)
     if (direction == PaginationDirection.FORWARDS) {
@@ -129,12 +92,15 @@ internal fun ChunkEntity.add(roomId: String,
         }
     }
 
+    val isChunkUnlinked = isUnlinked
     val localId = TimelineEventEntity.nextId(realm)
     val eventId = event.eventId ?: ""
     val senderId = event.senderId ?: ""
 
     val readReceiptsSummaryEntity = ReadReceiptsSummaryEntity.where(realm, eventId).findFirst()
-            ?: ReadReceiptsSummaryEntity(eventId, roomId)
+            ?: realm.createObject<ReadReceiptsSummaryEntity>(eventId).apply {
+                this.roomId = roomId
+            }
 
     // Update RR for the sender of a new message with a dummy one
 
@@ -151,13 +117,15 @@ internal fun ChunkEntity.add(roomId: String,
         }
     }
 
-    val eventEntity = TimelineEventEntity(localId).also {
-        it.root = event.toEntity(roomId).apply {
-            this.stateIndex = currentStateIndex
-            this.isUnlinked = isUnlinked
-            this.displayIndex = currentDisplayIndex
-            this.sendState = SendState.SYNCED
-        }
+    val rootEvent = event.toEntity(roomId).apply {
+        this.stateIndex = currentStateIndex
+        this.displayIndex = currentDisplayIndex
+        this.sendState = SendState.SYNCED
+        this.isUnlinked = isChunkUnlinked
+    }
+    val eventEntity = realm.createObject<TimelineEventEntity>().also {
+        it.localId = localId
+        it.root = realm.copyToRealm(rootEvent)
         it.eventId = eventId
         it.roomId = roomId
         it.annotations = EventAnnotationsSummaryEntity.where(realm, eventId).findFirst()
@@ -165,6 +133,7 @@ internal fun ChunkEntity.add(roomId: String,
     }
     val position = if (direction == PaginationDirection.FORWARDS) 0 else this.timelineEvents.size
     timelineEvents.add(position, eventEntity)
+    return eventEntity
 }
 
 internal fun ChunkEntity.lastDisplayIndex(direction: PaginationDirection, defaultValue: Int = 0): Int {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/helper/RoomEntityHelper.kt

@@ -60,7 +60,7 @@ internal fun RoomEntity.addSendingEvent(event: Event) {
         this.sendState = SendState.UNSENT
     }
     val roomMembers = RoomMembers(realm, roomId)
-    val myUser = roomMembers.get(senderId)
+    val myUser = roomMembers.getLastRoomMember(senderId)
     val localId = TimelineEventEntity.nextId(realm)
     val timelineEventEntity = TimelineEventEntity(localId).also {
         it.root = eventEntity
@@ -69,7 +69,6 @@ internal fun RoomEntity.addSendingEvent(event: Event) {
         it.senderName = myUser?.displayName
         it.senderAvatar = myUser?.avatarUrl
         it.isUniqueDisplayName = roomMembers.isUniqueDisplayName(myUser?.displayName)
-        it.senderMembershipEvent = roomMembers.queryRoomMemberEvent(senderId).findFirst()
     }
     sendingTimelineEvents.add(0, timelineEventEntity)
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/helper/TimelineEventEntityHelper.kt

@@ -16,74 +16,9 @@
 
 package im.vector.matrix.android.internal.database.helper
 
-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.RoomMember
-import im.vector.matrix.android.internal.database.mapper.ContentMapper
-import im.vector.matrix.android.internal.database.model.*
-import im.vector.matrix.android.internal.database.query.next
-import im.vector.matrix.android.internal.database.query.prev
-import im.vector.matrix.android.internal.database.query.where
-import im.vector.matrix.android.internal.extensions.assertIsManaged
-import im.vector.matrix.android.internal.session.room.membership.RoomMembers
+import im.vector.matrix.android.internal.database.model.TimelineEventEntity
+import im.vector.matrix.android.internal.database.model.TimelineEventEntityFields
 import io.realm.Realm
-import io.realm.RealmList
-import io.realm.RealmQuery
-
-internal fun TimelineEventEntity.updateSenderData() {
-    assertIsManaged()
-    val roomEntity = RoomEntity.where(realm, roomId = roomId).findFirst() ?: return
-    val stateIndex = root?.stateIndex ?: return
-    val senderId = root?.sender ?: return
-    val chunkEntity = chunk?.firstOrNull() ?: return
-    val isUnlinked = chunkEntity.isUnlinked()
-    var senderMembershipEvent: EventEntity?
-    var senderRoomMemberContent: String?
-    var senderRoomMemberPrevContent: String?
-    when {
-        stateIndex <= 0 -> {
-            senderMembershipEvent = chunkEntity.timelineEvents.buildQuery(senderId, isUnlinked).next(from = stateIndex)?.root
-            senderRoomMemberContent = senderMembershipEvent?.prevContent
-            senderRoomMemberPrevContent = senderMembershipEvent?.content
-        }
-        else            -> {
-            senderMembershipEvent = chunkEntity.timelineEvents.buildQuery(senderId, isUnlinked).prev(since = stateIndex)?.root
-            senderRoomMemberContent = senderMembershipEvent?.content
-            senderRoomMemberPrevContent = senderMembershipEvent?.prevContent
-        }
-    }
-
-    // We fallback to untimelinedStateEvents if we can't find membership events in timeline
-    if (senderMembershipEvent == null) {
-        senderMembershipEvent = roomEntity.untimelinedStateEvents
-                .where()
-                .equalTo(EventEntityFields.STATE_KEY, senderId)
-                .equalTo(EventEntityFields.TYPE, EventType.STATE_ROOM_MEMBER)
-                .prev(since = stateIndex)
-        senderRoomMemberContent = senderMembershipEvent?.content
-        senderRoomMemberPrevContent = senderMembershipEvent?.prevContent
-    }
-
-    ContentMapper.map(senderRoomMemberContent).toModel<RoomMember>()?.also {
-        this.senderAvatar = it.avatarUrl
-        this.senderName = it.displayName
-        this.isUniqueDisplayName = RoomMembers(realm, roomId).isUniqueDisplayName(it.displayName)
-    }
-
-    // We try to fallback on prev content if we got a room member state events with null fields
-    if (root?.type == EventType.STATE_ROOM_MEMBER) {
-        ContentMapper.map(senderRoomMemberPrevContent).toModel<RoomMember>()?.also {
-            if (this.senderAvatar == null && it.avatarUrl != null) {
-                this.senderAvatar = it.avatarUrl
-            }
-            if (this.senderName == null && it.displayName != null) {
-                this.senderName = it.displayName
-                this.isUniqueDisplayName = RoomMembers(realm, roomId).isUniqueDisplayName(it.displayName)
-            }
-        }
-    }
-    this.senderMembershipEvent = senderMembershipEvent
-}
 
 internal fun TimelineEventEntity.Companion.nextId(realm: Realm): Long {
     val currentIdNum = realm.where(TimelineEventEntity::class.java).max(TimelineEventEntityFields.LOCAL_ID)
@@ -93,10 +28,3 @@ internal fun TimelineEventEntity.Companion.nextId(realm: Realm): Long {
         currentIdNum.toLong() + 1
     }
 }
-
-private fun RealmList<TimelineEventEntity>.buildQuery(sender: String, isUnlinked: Boolean): RealmQuery<TimelineEventEntity> {
-    return where()
-            .equalTo(TimelineEventEntityFields.ROOT.STATE_KEY, sender)
-            .equalTo(TimelineEventEntityFields.ROOT.TYPE, EventType.STATE_ROOM_MEMBER)
-            .equalTo(TimelineEventEntityFields.ROOT.IS_UNLINKED, isUnlinked)
-}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/helper/TimelineEventSenderVisitor.kt

@@ -0,0 +1,148 @@
+/*
+ * 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.helper
+
+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.RoomMemberContent
+import im.vector.matrix.android.internal.database.mapper.ContentMapper
+import im.vector.matrix.android.internal.database.model.*
+import im.vector.matrix.android.internal.database.query.next
+import im.vector.matrix.android.internal.database.query.prev
+import im.vector.matrix.android.internal.database.query.where
+import im.vector.matrix.android.internal.extensions.assertIsManaged
+import im.vector.matrix.android.internal.session.SessionScope
+import im.vector.matrix.android.internal.session.room.membership.RoomMembers
+import io.realm.RealmList
+import io.realm.RealmQuery
+import javax.inject.Inject
+
+/**
+ * This is an internal cache to avoid querying all the time the room member events
+ */
+@SessionScope
+internal class TimelineEventSenderVisitor @Inject constructor() {
+
+    internal data class Key(
+            val roomId: String,
+            val stateIndex: Int,
+            val senderId: String
+    )
+
+    internal class Value(
+            var senderAvatar: String? = null,
+            var senderName: String? = null,
+            var isUniqueDisplayName: Boolean = false,
+            var senderMembershipEventId: String? = null
+    )
+
+    private val values = HashMap<Key, Value>()
+
+    fun clear() {
+        values.clear()
+    }
+
+    fun clear(roomId: String, senderId: String) {
+        val keysToRemove = values.keys.filter { it.senderId == senderId && it.roomId == roomId }
+        keysToRemove.forEach {
+            values.remove(it)
+        }
+    }
+
+    fun visit(timelineEventEntities: List<TimelineEventEntity>) = timelineEventEntities.forEach { visit(it) }
+
+    fun visit(timelineEventEntity: TimelineEventEntity) {
+        if (!timelineEventEntity.isValid) {
+            return
+        }
+        val key = Key(
+                roomId = timelineEventEntity.roomId,
+                stateIndex = timelineEventEntity.root?.stateIndex ?: 0,
+                senderId = timelineEventEntity.root?.sender ?: ""
+        )
+        val result = values.getOrPut(key) {
+            timelineEventEntity.computeValue()
+        }
+        timelineEventEntity.apply {
+            this.isUniqueDisplayName = result.isUniqueDisplayName
+            this.senderAvatar = result.senderAvatar
+            this.senderName = result.senderName
+            this.senderMembershipEventId = result.senderMembershipEventId
+        }
+    }
+
+    private fun RealmList<TimelineEventEntity>.buildQuery(sender: String, isUnlinked: Boolean): RealmQuery<TimelineEventEntity> {
+        return where()
+                .equalTo(TimelineEventEntityFields.ROOT.STATE_KEY, sender)
+                .equalTo(TimelineEventEntityFields.ROOT.TYPE, EventType.STATE_ROOM_MEMBER)
+                .equalTo(TimelineEventEntityFields.ROOT.IS_UNLINKED, isUnlinked)
+    }
+
+    private fun TimelineEventEntity.computeValue(): Value {
+        assertIsManaged()
+        val result = Value()
+        val roomEntity = RoomEntity.where(realm, roomId = roomId).findFirst() ?: return result
+        val stateIndex = root?.stateIndex ?: return result
+        val senderId = root?.sender ?: return result
+        val chunkEntity = chunk?.firstOrNull() ?: return result
+        val isUnlinked = chunkEntity.isUnlinked
+        var senderMembershipEvent: EventEntity?
+        var senderRoomMemberContent: String?
+        var senderRoomMemberPrevContent: String?
+
+        if (stateIndex <= 0) {
+            senderMembershipEvent = chunkEntity.timelineEvents.buildQuery(senderId, isUnlinked).next(from = stateIndex)?.root
+            senderRoomMemberContent = senderMembershipEvent?.prevContent
+            senderRoomMemberPrevContent = senderMembershipEvent?.content
+        } else {
+            senderMembershipEvent = chunkEntity.timelineEvents.buildQuery(senderId, isUnlinked).prev(since = stateIndex)?.root
+            senderRoomMemberContent = senderMembershipEvent?.content
+            senderRoomMemberPrevContent = senderMembershipEvent?.prevContent
+        }
+
+        // We fallback to untimelinedStateEvents if we can't find membership events in timeline
+        if (senderMembershipEvent == null) {
+            senderMembershipEvent = roomEntity.untimelinedStateEvents
+                    .where()
+                    .equalTo(EventEntityFields.STATE_KEY, senderId)
+                    .equalTo(EventEntityFields.TYPE, EventType.STATE_ROOM_MEMBER)
+                    .prev(since = stateIndex)
+            senderRoomMemberContent = senderMembershipEvent?.content
+            senderRoomMemberPrevContent = senderMembershipEvent?.prevContent
+        }
+
+        ContentMapper.map(senderRoomMemberContent).toModel<RoomMemberContent>()?.also {
+            result.senderAvatar = it.avatarUrl
+            result.senderName = it.displayName
+            result.isUniqueDisplayName = RoomMembers(realm, roomId).isUniqueDisplayName(it.displayName)
+        }
+        // We try to fallback on prev content if we got a room member state events with null fields
+        if (root?.type == EventType.STATE_ROOM_MEMBER) {
+            ContentMapper.map(senderRoomMemberPrevContent).toModel<RoomMemberContent>()?.also {
+                if (result.senderAvatar == null && it.avatarUrl != null) {
+                    result.senderAvatar = it.avatarUrl
+                }
+                if (result.senderName == null && it.displayName != null) {
+                    result.senderName = it.displayName
+                    result.isUniqueDisplayName = RoomMembers(realm, roomId).isUniqueDisplayName(it.displayName)
+                }
+            }
+        }
+        result.senderMembershipEventId = senderMembershipEvent?.eventId
+        return result
+    }
+}

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

@@ -0,0 +1,36 @@
+/*
+ * 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.mapper
+
+import im.vector.matrix.android.api.session.room.model.RoomMember
+import im.vector.matrix.android.internal.database.model.RoomMemberEntity
+
+internal object RoomMemberMapper {
+
+    fun map(roomMemberEntity: RoomMemberEntity): RoomMember {
+        return RoomMember(
+                userId = roomMemberEntity.userId,
+                avatarUrl = roomMemberEntity.avatarUrl,
+                displayName = roomMemberEntity.displayName,
+                membership = roomMemberEntity.membership
+        )
+    }
+}
+
+internal fun RoomMemberEntity.asDomain(): RoomMember {
+    return RoomMemberMapper.map(this)
+}

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

@@ -70,7 +70,8 @@ internal class RoomSummaryMapper @Inject constructor(
                 readMarkerId = roomSummaryEntity.readMarkerId,
                 userDrafts = roomSummaryEntity.userDrafts?.userDrafts?.map { DraftMapper.map(it) } ?: emptyList(),
                 canonicalAlias = roomSummaryEntity.canonicalAlias,
-                aliases = roomSummaryEntity.aliases.toList()
+                aliases = roomSummaryEntity.aliases.toList(),
+                isEncrypted = roomSummaryEntity.isEncrypted
         )
     }
 }

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

@@ -30,7 +30,8 @@ internal open class ChunkEntity(@Index var prevToken: String? = null,
                                 var backwardsDisplayIndex: Int? = null,
                                 var forwardsDisplayIndex: Int? = null,
                                 var backwardsStateIndex: Int? = null,
-                                var forwardsStateIndex: Int? = null
+                                var forwardsStateIndex: Int? = null,
+                                var isUnlinked: Boolean = false
 ) : RealmObject() {
 
     fun identifier() = "${prevToken}_$nextToken"

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

@@ -0,0 +1,43 @@
+/*
+ * 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 im.vector.matrix.android.api.session.room.model.Membership
+import io.realm.RealmObject
+import io.realm.annotations.Index
+import io.realm.annotations.PrimaryKey
+
+internal open class RoomMemberEntity(@PrimaryKey var primaryKey: String = "",
+                                     @Index var userId: String = "",
+                                     @Index var roomId: String = "",
+                                     var displayName: String = "",
+                                     var avatarUrl: String = "",
+                                     var reason: String? = null,
+                                     var isDirect: Boolean = false
+) : RealmObject() {
+
+    private var membershipStr: String = Membership.NONE.name
+    var membership: Membership
+        get() {
+            return Membership.valueOf(membershipStr)
+        }
+        set(value) {
+            membershipStr = value.name
+        }
+
+    companion object
+}

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

@@ -42,7 +42,9 @@ internal open class RoomSummaryEntity(@PrimaryKey var roomId: String = "",
                                       var breadcrumbsIndex: Int = NOT_IN_BREADCRUMBS,
                                       var canonicalAlias: String? = null,
                                       var aliases: RealmList<String> = RealmList(),
-                                      var flatAliases: String = ""
+                                      // this is required for querying
+                                      var flatAliases: String = "",
+                                      var isEncrypted: Boolean = false
 ) : RealmObject() {
 
     private var membershipStr: String = Membership.NONE.name

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

@@ -49,6 +49,7 @@ import io.realm.annotations.RealmModule
                  ReadMarkerEntity::class,
                  UserDraftsEntity::class,
                  DraftEntity::class,
-                 HomeServerCapabilitiesEntity::class
+                 HomeServerCapabilitiesEntity::class,
+                 RoomMemberEntity::class
              ])
 internal class SessionRealmModule

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

@@ -29,7 +29,7 @@ internal open class TimelineEventEntity(var localId: Long = 0,
                                         var senderName: String? = null,
                                         var isUniqueDisplayName: Boolean = false,
                                         var senderAvatar: String? = null,
-                                        var senderMembershipEvent: EventEntity? = null,
+                                        var senderMembershipEventId: String? = null,
                                         var readReceipts: ReadReceiptsSummaryEntity? = null
 ) : RealmObject() {
 

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

@@ -57,9 +57,15 @@ internal fun ChunkEntity.Companion.findIncludingEvent(realm: Realm, eventId: Str
     return findAllIncludingEvents(realm, listOf(eventId)).firstOrNull()
 }
 
-internal fun ChunkEntity.Companion.create(realm: Realm, prevToken: String?, nextToken: String?): ChunkEntity {
+internal fun ChunkEntity.Companion.create(
+        realm: Realm,
+        prevToken: String?,
+        nextToken: String?,
+        isUnlinked: Boolean
+): ChunkEntity {
     return realm.createObject<ChunkEntity>().apply {
         this.prevToken = prevToken
         this.nextToken = nextToken
+        this.isUnlinked = isUnlinked
     }
 }

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

@@ -0,0 +1,34 @@
+/*
+ * 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.query
+
+import im.vector.matrix.android.internal.database.model.RoomMemberEntity
+import im.vector.matrix.android.internal.database.model.RoomMemberEntityFields
+import io.realm.Realm
+import io.realm.RealmQuery
+import io.realm.kotlin.where
+
+internal fun RoomMemberEntity.Companion.where(realm: Realm, roomId: String, userId: String? = null): RealmQuery<RoomMemberEntity> {
+    val query = realm
+            .where<RoomMemberEntity>()
+            .equalTo(RoomMemberEntityFields.ROOM_ID, roomId)
+
+    if (userId != null) {
+        query.equalTo(RoomMemberEntityFields.USER_ID, userId)
+    }
+    return query
+}

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

@@ -54,7 +54,7 @@ internal fun TimelineEventEntity.Companion.where(realm: Realm,
 
 internal fun TimelineEventEntity.Companion.findWithSenderMembershipEvent(realm: Realm, senderMembershipEventId: String): List<TimelineEventEntity> {
     return realm.where<TimelineEventEntity>()
-            .equalTo(TimelineEventEntityFields.SENDER_MEMBERSHIP_EVENT.EVENT_ID, senderMembershipEventId)
+            .equalTo(TimelineEventEntityFields.SENDER_MEMBERSHIP_EVENT_ID, senderMembershipEventId)
             .findAll()
 }
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 New Vector Ltd
+ * Copyright 2020 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.
@@ -14,12 +14,20 @@
  * limitations under the License.
  */
 
-package im.vector.riotx.features.home.room.detail.composer
+package im.vector.matrix.android.internal.query
 
-import im.vector.riotx.core.platform.VectorViewModelAction
+import io.realm.RealmObject
+import io.realm.RealmQuery
 
-sealed class TextComposerAction : VectorViewModelAction {
-    data class QueryUsers(val query: CharSequence?) : TextComposerAction()
-    data class QueryRooms(val query: CharSequence?) : TextComposerAction()
-    data class QueryGroups(val query: CharSequence?) : TextComposerAction()
+fun <T : RealmObject, E : Enum<E>> RealmQuery<T>.process(field: String, enums: List<Enum<E>>): RealmQuery<T> {
+    val lastEnumValue = enums.lastOrNull()
+    beginGroup()
+    for (enumValue in enums) {
+        equalTo(field, enumValue.name)
+        if (enumValue != lastEnumValue) {
+            or()
+        }
+    }
+    endGroup()
+    return this
 }

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

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2020 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.query
+
+import im.vector.matrix.android.api.query.QueryStringValue
+import io.realm.Case
+import io.realm.RealmObject
+import io.realm.RealmQuery
+import timber.log.Timber
+
+fun <T : RealmObject> RealmQuery<T>.process(field: String, queryStringValue: QueryStringValue): RealmQuery<T> {
+    when (queryStringValue) {
+        is QueryStringValue.NoCondition -> Timber.v("No condition to process")
+        is QueryStringValue.IsNotNull   -> isNotNull(field)
+        is QueryStringValue.IsNull      -> isNull(field)
+        is QueryStringValue.IsEmpty     -> isEmpty(field)
+        is QueryStringValue.IsNotEmpty  -> isNotEmpty(field)
+        is QueryStringValue.Equals      -> equalTo(field, queryStringValue.string, queryStringValue.case.toRealmCase())
+        is QueryStringValue.Contains    -> contains(field, queryStringValue.string, queryStringValue.case.toRealmCase())
+    }
+    return this
+}
+
+private fun QueryStringValue.Case.toRealmCase(): Case {
+    return when (this) {
+        QueryStringValue.Case.INSENSITIVE -> Case.INSENSITIVE
+        QueryStringValue.Case.SENSITIVE   -> Case.SENSITIVE
+    }
+}

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

@@ -156,7 +156,7 @@ internal class DefaultSession @Inject constructor(override val sessionParams: Se
         syncTaskSequencer.close()
     }
 
-    override fun syncState(): LiveData<SyncState> {
+    override fun getSyncStateLive(): LiveData<SyncState> {
         return getSyncThread().liveState()
     }
 

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

@@ -20,12 +20,16 @@ import androidx.lifecycle.LiveData
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.session.group.Group
 import im.vector.matrix.android.api.session.group.GroupService
+import im.vector.matrix.android.api.session.group.GroupSummaryQueryParams
 import im.vector.matrix.android.api.session.group.model.GroupSummary
 import im.vector.matrix.android.internal.database.mapper.asDomain
 import im.vector.matrix.android.internal.database.model.GroupSummaryEntity
 import im.vector.matrix.android.internal.database.model.GroupSummaryEntityFields
 import im.vector.matrix.android.internal.database.query.where
+import im.vector.matrix.android.internal.query.process
 import im.vector.matrix.android.internal.util.fetchCopyMap
+import io.realm.Realm
+import io.realm.RealmQuery
 import javax.inject.Inject
 
 internal class DefaultGroupService @Inject constructor(private val monarchy: Monarchy) : GroupService {
@@ -41,10 +45,23 @@ internal class DefaultGroupService @Inject constructor(private val monarchy: Mon
         )
     }
 
-    override fun liveGroupSummaries(): LiveData<List<GroupSummary>> {
-        return monarchy.findAllMappedWithChanges(
-                { realm -> GroupSummaryEntity.where(realm).isNotEmpty(GroupSummaryEntityFields.DISPLAY_NAME) },
+    override fun getGroupSummaries(groupSummaryQueryParams: GroupSummaryQueryParams): List<GroupSummary> {
+        return monarchy.fetchAllMappedSync(
+                { groupSummariesQuery(it, groupSummaryQueryParams) },
                 { it.asDomain() }
         )
     }
+
+    override fun getGroupSummariesLive(groupSummaryQueryParams: GroupSummaryQueryParams): LiveData<List<GroupSummary>> {
+        return monarchy.findAllMappedWithChanges(
+                { groupSummariesQuery(it, groupSummaryQueryParams) },
+                { it.asDomain() }
+        )
+    }
+
+    private fun groupSummariesQuery(realm: Realm, queryParams: GroupSummaryQueryParams): RealmQuery<GroupSummaryEntity> {
+        return GroupSummaryEntity.where(realm)
+                .process(GroupSummaryEntityFields.DISPLAY_NAME, queryParams.displayName)
+                .process(GroupSummaryEntityFields.MEMBERSHIP_STR, queryParams.memberships)
+    }
 }

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

@@ -86,7 +86,7 @@ internal class DefaultPusherService @Inject constructor(private val context: Con
                 .executeBy(taskExecutor)
     }
 
-    override fun livePushers(): LiveData<List<Pusher>> {
+    override fun getPushersLive(): LiveData<List<Pusher>> {
         return monarchy.findAllMappedWithChanges(
                 { realm -> PusherEntity.where(realm) },
                 { it.asDomain() }

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

@@ -21,6 +21,7 @@ import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.MatrixCallback
 import im.vector.matrix.android.api.session.room.Room
 import im.vector.matrix.android.api.session.room.RoomService
+import im.vector.matrix.android.api.session.room.RoomSummaryQueryParams
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.matrix.android.api.session.room.model.VersioningState
 import im.vector.matrix.android.api.session.room.model.create.CreateRoomParams
@@ -32,6 +33,7 @@ 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.findByAlias
 import im.vector.matrix.android.internal.database.query.where
+import im.vector.matrix.android.internal.query.process
 import im.vector.matrix.android.internal.session.room.alias.GetRoomIdByAliasTask
 import im.vector.matrix.android.internal.session.room.create.CreateRoomTask
 import im.vector.matrix.android.internal.session.room.membership.joining.JoinRoomTask
@@ -41,6 +43,7 @@ import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.configureWith
 import im.vector.matrix.android.internal.util.fetchCopyMap
 import io.realm.Realm
+import io.realm.RealmQuery
 import javax.inject.Inject
 
 internal class DefaultRoomService @Inject constructor(private val monarchy: Monarchy,
@@ -86,30 +89,51 @@ internal class DefaultRoomService @Inject constructor(private val monarchy: Mona
                 })
     }
 
-    override fun liveRoomSummaries(): LiveData<List<RoomSummary>> {
-        return monarchy.findAllMappedWithChanges(
-                { realm ->
-                    RoomSummaryEntity.where(realm)
-                            .isNotEmpty(RoomSummaryEntityFields.DISPLAY_NAME)
-                            .notEqualTo(RoomSummaryEntityFields.VERSIONING_STATE_STR, VersioningState.UPGRADED_ROOM_JOINED.name)
-                },
+    override fun getRoomSummaries(queryParams: RoomSummaryQueryParams): List<RoomSummary> {
+        return monarchy.fetchAllMappedSync(
+                { roomSummariesQuery(it, queryParams) },
                 { roomSummaryMapper.map(it) }
         )
     }
 
-    override fun liveBreadcrumbs(): LiveData<List<RoomSummary>> {
+    override fun getRoomSummariesLive(queryParams: RoomSummaryQueryParams): LiveData<List<RoomSummary>> {
         return monarchy.findAllMappedWithChanges(
-                { realm ->
-                    RoomSummaryEntity.where(realm)
-                            .isNotEmpty(RoomSummaryEntityFields.DISPLAY_NAME)
-                            .notEqualTo(RoomSummaryEntityFields.VERSIONING_STATE_STR, VersioningState.UPGRADED_ROOM_JOINED.name)
-                            .greaterThan(RoomSummaryEntityFields.BREADCRUMBS_INDEX, RoomSummaryEntity.NOT_IN_BREADCRUMBS)
-                            .sort(RoomSummaryEntityFields.BREADCRUMBS_INDEX)
-                },
+                { roomSummariesQuery(it, queryParams) },
                 { roomSummaryMapper.map(it) }
         )
     }
 
+    private fun roomSummariesQuery(realm: Realm, queryParams: RoomSummaryQueryParams): RealmQuery<RoomSummaryEntity> {
+        val query = RoomSummaryEntity.where(realm)
+        query.process(RoomSummaryEntityFields.DISPLAY_NAME, queryParams.displayName)
+        query.process(RoomSummaryEntityFields.CANONICAL_ALIAS, queryParams.canonicalAlias)
+        query.process(RoomSummaryEntityFields.MEMBERSHIP_STR, queryParams.memberships)
+        query.notEqualTo(RoomSummaryEntityFields.VERSIONING_STATE_STR, VersioningState.UPGRADED_ROOM_JOINED.name)
+        return query
+    }
+
+    override fun getBreadcrumbs(): List<RoomSummary> {
+        return monarchy.fetchAllMappedSync(
+                { breadcrumbsQuery(it) },
+                { roomSummaryMapper.map(it) }
+        )
+    }
+
+    override fun getBreadcrumbsLive(): LiveData<List<RoomSummary>> {
+        return monarchy.findAllMappedWithChanges(
+                { breadcrumbsQuery(it) },
+                { roomSummaryMapper.map(it) }
+        )
+    }
+
+    private fun breadcrumbsQuery(realm: Realm): RealmQuery<RoomSummaryEntity> {
+        return RoomSummaryEntity.where(realm)
+                .isNotEmpty(RoomSummaryEntityFields.DISPLAY_NAME)
+                .notEqualTo(RoomSummaryEntityFields.VERSIONING_STATE_STR, VersioningState.UPGRADED_ROOM_JOINED.name)
+                .greaterThan(RoomSummaryEntityFields.BREADCRUMBS_INDEX, RoomSummaryEntity.NOT_IN_BREADCRUMBS)
+                .sort(RoomSummaryEntityFields.BREADCRUMBS_INDEX)
+    }
+
     override fun onRoomDisplayed(roomId: String): Cancelable {
         return updateBreadcrumbsTask
                 .configureWith(UpdateBreadcrumbsTask.Params(roomId))

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

@@ -20,10 +20,9 @@ import com.zhuinden.monarchy.Monarchy
 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.RoomAvatarContent
-import im.vector.matrix.android.api.session.room.model.RoomMember
 import im.vector.matrix.android.internal.database.mapper.ContentMapper
 import im.vector.matrix.android.internal.database.model.EventEntity
-import im.vector.matrix.android.internal.database.model.EventEntityFields
+import im.vector.matrix.android.internal.database.model.RoomMemberEntityFields
 import im.vector.matrix.android.internal.database.query.prev
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.di.UserId
@@ -47,19 +46,15 @@ internal class RoomAvatarResolver @Inject constructor(private val monarchy: Mona
                 return@doWithRealm
             }
             val roomMembers = RoomMembers(realm, roomId)
-            val members = roomMembers.queryRoomMembersEvent().findAll()
+            val members = roomMembers.queryActiveRoomMembersEvent().findAll()
             // detect if it is a room with no more than 2 members (i.e. an alone or a 1:1 chat)
             if (members.size == 1) {
-                res = members.firstOrNull()?.toRoomMember()?.avatarUrl
+                res = members.firstOrNull()?.avatarUrl
             } else if (members.size == 2) {
-                val firstOtherMember = members.where().notEqualTo(EventEntityFields.STATE_KEY, userId).findFirst()
-                res = firstOtherMember?.toRoomMember()?.avatarUrl
+                val firstOtherMember = members.where().notEqualTo(RoomMemberEntityFields.USER_ID, userId).findFirst()
+                res = firstOtherMember?.avatarUrl
             }
         }
         return res
     }
-
-    private fun EventEntity?.toRoomMember(): RoomMember? {
-        return ContentMapper.map(this?.content).toModel<RoomMember>()
-    }
 }

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

@@ -24,8 +24,8 @@ 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.RoomTopicContent
 import im.vector.matrix.android.internal.database.mapper.ContentMapper
+import im.vector.matrix.android.internal.database.model.*
 import im.vector.matrix.android.internal.database.model.EventEntity
-import im.vector.matrix.android.internal.database.model.EventEntityFields
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.model.TimelineEventEntity
 import im.vector.matrix.android.internal.database.query.*
@@ -93,10 +93,11 @@ internal class RoomSummaryUpdater @Inject constructor(@UserId private val userId
         val lastTopicEvent = EventEntity.where(realm, roomId, EventType.STATE_ROOM_TOPIC).prev()
         val lastCanonicalAliasEvent = EventEntity.where(realm, roomId, EventType.STATE_ROOM_CANONICAL_ALIAS).prev()
         val lastAliasesEvent = EventEntity.where(realm, roomId, EventType.STATE_ROOM_ALIASES).prev()
+        val encryptionEvent = EventEntity.where(realm, roomId, EventType.ENCRYPTION).prev()
 
         roomSummaryEntity.hasUnreadMessages = roomSummaryEntity.notificationCount > 0
-                // avoid this call if we are sure there are unread events
-                || !isEventRead(monarchy, userId, roomId, latestPreviewableEvent?.eventId)
+                                              // avoid this call if we are sure there are unread events
+                                              || !isEventRead(monarchy, userId, roomId, latestPreviewableEvent?.eventId)
 
         roomSummaryEntity.displayName = roomDisplayNameResolver.resolve(roomId).toString()
         roomSummaryEntity.avatarUrl = roomAvatarResolver.resolve(roomId)
@@ -105,18 +106,20 @@ internal class RoomSummaryUpdater @Inject constructor(@UserId private val userId
         roomSummaryEntity.canonicalAlias = ContentMapper.map(lastCanonicalAliasEvent?.content).toModel<RoomCanonicalAliasContent>()
                 ?.canonicalAlias
 
-        val roomAliases = ContentMapper.map(lastAliasesEvent?.content).toModel<RoomAliasesContent>()?.aliases ?: emptyList()
+        val roomAliases = ContentMapper.map(lastAliasesEvent?.content).toModel<RoomAliasesContent>()?.aliases
+                          ?: emptyList()
         roomSummaryEntity.aliases.clear()
         roomSummaryEntity.aliases.addAll(roomAliases)
         roomSummaryEntity.flatAliases = roomAliases.joinToString(separator = "|", prefix = "|")
+        roomSummaryEntity.isEncrypted = encryptionEvent != null
 
         if (updateMembers) {
             val otherRoomMembers = RoomMembers(realm, roomId)
                     .queryRoomMembersEvent()
-                    .notEqualTo(EventEntityFields.STATE_KEY, userId)
+                    .notEqualTo(RoomMemberEntityFields.USER_ID, userId)
                     .findAll()
                     .asSequence()
-                    .map { it.stateKey }
+                    .map { it.userId }
 
             roomSummaryEntity.otherMemberIds.clear()
             roomSummaryEntity.otherMemberIds.addAll(otherRoomMembers)

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

@@ -21,18 +21,23 @@ import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.MatrixCallback
-import im.vector.matrix.android.api.session.events.model.toModel
 import im.vector.matrix.android.api.session.room.members.MembershipService
+import im.vector.matrix.android.api.session.room.members.RoomMemberQueryParams
 import im.vector.matrix.android.api.session.room.model.Membership
 import im.vector.matrix.android.api.session.room.model.RoomMember
 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.RoomMemberEntity
+import im.vector.matrix.android.internal.database.model.RoomMemberEntityFields
+import im.vector.matrix.android.internal.query.process
 import im.vector.matrix.android.internal.session.room.membership.joining.InviteTask
 import im.vector.matrix.android.internal.session.room.membership.joining.JoinRoomTask
 import im.vector.matrix.android.internal.session.room.membership.leaving.LeaveRoomTask
 import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.configureWith
 import im.vector.matrix.android.internal.util.fetchCopied
+import io.realm.Realm
+import io.realm.RealmQuery
 
 internal class DefaultMembershipService @AssistedInject constructor(@Assisted private val roomId: String,
                                                                     private val monarchy: Monarchy,
@@ -58,29 +63,44 @@ internal class DefaultMembershipService @AssistedInject constructor(@Assisted pr
     }
 
     override fun getRoomMember(userId: String): RoomMember? {
-        val eventEntity = monarchy.fetchCopied {
-            RoomMembers(it, roomId).queryRoomMemberEvent(userId).findFirst()
+        val roomMemberEntity = monarchy.fetchCopied {
+            RoomMembers(it, roomId).getLastRoomMember(userId)
         }
-        return eventEntity?.asDomain()?.content.toModel()
+        return roomMemberEntity?.asDomain()
     }
 
-    override fun getRoomMemberIdsLive(): LiveData<List<String>> {
-        return monarchy.findAllMappedWithChanges(
+    override fun getRoomMembers(queryParams: RoomMemberQueryParams): List<RoomMember> {
+        return monarchy.fetchAllMappedSync(
                 {
-                    RoomMembers(it, roomId).queryRoomMembersEvent()
+                    roomMembersQuery(it, queryParams)
                 },
                 {
-                    it.stateKey!!
+                    it.asDomain()
                 }
         )
     }
 
+    override fun getRoomMembersLive(queryParams: RoomMemberQueryParams): LiveData<List<RoomMember>> {
+        return monarchy.findAllMappedWithChanges(
+                {
+                    roomMembersQuery(it, queryParams)
+                },
+                {
+                    it.asDomain()
+                }
+        )
+    }
+
+    private fun roomMembersQuery(realm: Realm, queryParams: RoomMemberQueryParams): RealmQuery<RoomMemberEntity> {
+        return RoomMembers(realm, roomId).queryRoomMembersEvent()
+                .process(RoomMemberEntityFields.MEMBERSHIP_STR, queryParams.memberships)
+                .process(RoomMemberEntityFields.DISPLAY_NAME, queryParams.displayName)
+    }
+
     override fun getNumberOfJoinedMembers(): Int {
-        var result = 0
-        monarchy.runTransactionSync {
-            result = RoomMembers(it, roomId).getNumberOfJoinedMembers()
+        return Realm.getInstance(monarchy.realmConfiguration).use {
+            RoomMembers(it, roomId).getNumberOfJoinedMembers()
         }
-        return result
     }
 
     override fun invite(userId: String, reason: String?, callback: MatrixCallback<Unit>): Cancelable {

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

@@ -18,15 +18,14 @@ package im.vector.matrix.android.internal.session.room.membership
 
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.session.room.model.Membership
+import im.vector.matrix.android.internal.database.helper.TimelineEventSenderVisitor
 import im.vector.matrix.android.internal.database.helper.addStateEvent
-import im.vector.matrix.android.internal.database.helper.updateSenderData
 import im.vector.matrix.android.internal.database.model.RoomEntity
 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.session.room.RoomSummaryUpdater
 import im.vector.matrix.android.internal.session.sync.SyncTokenStore
-import im.vector.matrix.android.internal.session.user.UserEntityFactory
 import im.vector.matrix.android.internal.task.Task
 import im.vector.matrix.android.internal.util.awaitTransaction
 import io.realm.Realm
@@ -44,7 +43,9 @@ internal interface LoadRoomMembersTask : Task<LoadRoomMembersTask.Params, Unit>
 internal class DefaultLoadRoomMembersTask @Inject constructor(private val roomAPI: RoomAPI,
                                                               private val monarchy: Monarchy,
                                                               private val syncTokenStore: SyncTokenStore,
-                                                              private val roomSummaryUpdater: RoomSummaryUpdater
+                                                              private val roomSummaryUpdater: RoomSummaryUpdater,
+                                                              private val roomMemberEventHandler: RoomMemberEventHandler,
+                                                              private val timelineEventSenderVisitor: TimelineEventSenderVisitor
 ) : LoadRoomMembersTask {
 
     override suspend fun execute(params: LoadRoomMembersTask.Params) {
@@ -66,12 +67,11 @@ internal class DefaultLoadRoomMembersTask @Inject constructor(private val roomAP
 
             for (roomMemberEvent in response.roomMemberEvents) {
                 roomEntity.addStateEvent(roomMemberEvent)
-                UserEntityFactory.createOrNull(roomMemberEvent)?.also {
-                    realm.insertOrUpdate(it)
-                }
+                roomMemberEventHandler.handle(realm, roomId, roomMemberEvent)
             }
+            timelineEventSenderVisitor.clear()
             roomEntity.chunks.flatMap { it.timelineEvents }.forEach {
-                it.updateSenderData()
+                timelineEventSenderVisitor.visit(it)
             }
             roomEntity.areAllMembersLoaded = true
             roomSummaryUpdater.update(realm, roomId, updateMembers = true)

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

@@ -23,9 +23,10 @@ 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.*
 import im.vector.matrix.android.internal.database.mapper.ContentMapper
+import im.vector.matrix.android.internal.database.model.*
 import im.vector.matrix.android.internal.database.model.EventEntity
-import im.vector.matrix.android.internal.database.model.EventEntityFields
 import im.vector.matrix.android.internal.database.model.RoomEntity
+import im.vector.matrix.android.internal.database.model.RoomMemberEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.query.prev
 import im.vector.matrix.android.internal.database.query.where
@@ -75,43 +76,46 @@ internal class RoomDisplayNameResolver @Inject constructor(private val context:
             }
 
             val roomMembers = RoomMembers(realm, roomId)
-            val loadedMembers = roomMembers.queryRoomMembersEvent().findAll()
+            val activeMembers = roomMembers.queryActiveRoomMembersEvent().findAll()
 
             if (roomEntity?.membership == Membership.INVITE) {
-                val inviteMeEvent = roomMembers.queryRoomMemberEvent(userId).findFirst()
+                val inviteMeEvent = roomMembers.getLastStateEvent(userId)
                 val inviterId = inviteMeEvent?.sender
                 name = if (inviterId != null) {
-                    val inviterMemberEvent = loadedMembers.where()
-                            .equalTo(EventEntityFields.STATE_KEY, inviterId)
+                    activeMembers.where()
+                            .equalTo(RoomMemberEntityFields.USER_ID, inviterId)
                             .findFirst()
-                    inviterMemberEvent?.toRoomMember()?.displayName
+                            ?.displayName
                 } else {
                     context.getString(R.string.room_displayname_room_invite)
                 }
             } else if (roomEntity?.membership == Membership.JOIN) {
                 val roomSummary = RoomSummaryEntity.where(realm, roomId).findFirst()
-                val otherMembersSubset: List<EventEntity> = if (roomSummary?.heroes?.isNotEmpty() == true) {
-                    roomSummary.heroes.mapNotNull {
-                        roomMembers.getStateEvent(it)
+                val otherMembersSubset: List<RoomMemberEntity> = if (roomSummary?.heroes?.isNotEmpty() == true) {
+                    roomSummary.heroes.mapNotNull { userId ->
+                        roomMembers.getLastRoomMember(userId)?.takeIf {
+                            it.membership == Membership.INVITE || it.membership == Membership.JOIN
+                        }
                     }
                 } else {
-                    loadedMembers.where()
-                            .notEqualTo(EventEntityFields.STATE_KEY, userId)
+                    activeMembers.where()
+                            .notEqualTo(RoomMemberEntityFields.USER_ID, userId)
                             .limit(3)
                             .findAll()
+                            .createSnapshot()
                 }
-                val otherMembersCount = roomMembers.getNumberOfMembers() - 1
+                val otherMembersCount = otherMembersSubset.count()
                 name = when (otherMembersCount) {
                     0    -> context.getString(R.string.room_displayname_empty_room)
                     1    -> resolveRoomMemberName(otherMembersSubset[0], roomMembers)
                     2    -> context.getString(R.string.room_displayname_two_members,
-                                              resolveRoomMemberName(otherMembersSubset[0], roomMembers),
-                                              resolveRoomMemberName(otherMembersSubset[1], roomMembers)
+                            resolveRoomMemberName(otherMembersSubset[0], roomMembers),
+                            resolveRoomMemberName(otherMembersSubset[1], roomMembers)
                     )
                     else -> context.resources.getQuantityString(R.plurals.room_displayname_three_and_more_members,
-                                                                roomMembers.getNumberOfJoinedMembers() - 1,
-                                                                resolveRoomMemberName(otherMembersSubset[0], roomMembers),
-                                                                roomMembers.getNumberOfJoinedMembers() - 1)
+                            roomMembers.getNumberOfJoinedMembers() - 1,
+                            resolveRoomMemberName(otherMembersSubset[0], roomMembers),
+                            roomMembers.getNumberOfJoinedMembers() - 1)
                 }
             }
             return@doWithRealm
@@ -119,19 +123,14 @@ internal class RoomDisplayNameResolver @Inject constructor(private val context:
         return name ?: roomId
     }
 
-    private fun resolveRoomMemberName(eventEntity: EventEntity?,
+    private fun resolveRoomMemberName(roomMember: RoomMemberEntity?,
                                       roomMembers: RoomMembers): String? {
-        if (eventEntity == null) return null
-        val roomMember = eventEntity.toRoomMember() ?: return null
+        if (roomMember == null) return null
         val isUnique = roomMembers.isUniqueDisplayName(roomMember.displayName)
         return if (isUnique) {
             roomMember.displayName
         } else {
-            "${roomMember.displayName} (${eventEntity.stateKey})"
+            "${roomMember.displayName} (${roomMember.userId})"
         }
     }
-
-    private fun EventEntity?.toRoomMember(): RoomMember? {
-        return ContentMapper.map(this?.content).toModel<RoomMember>()
-    }
 }

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

@@ -0,0 +1,36 @@
+/*
+ * 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.membership
+
+import im.vector.matrix.android.api.session.room.model.RoomMemberContent
+import im.vector.matrix.android.internal.database.model.RoomMemberEntity
+
+internal object RoomMemberEntityFactory {
+
+    fun create(roomId: String, userId: String, roomMember: RoomMemberContent): RoomMemberEntity {
+        val primaryKey = "${roomId}_$userId"
+        return RoomMemberEntity(
+                primaryKey = primaryKey,
+                userId = userId,
+                roomId = roomId,
+                displayName = roomMember.displayName ?: "",
+                avatarUrl = roomMember.avatarUrl ?: ""
+        ).apply {
+            membership = roomMember.membership
+        }
+    }
+}

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

@@ -0,0 +1,44 @@
+/*
+ * 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.membership
+
+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.Membership
+import im.vector.matrix.android.api.session.room.model.RoomMemberContent
+import im.vector.matrix.android.internal.session.user.UserEntityFactory
+import io.realm.Realm
+import javax.inject.Inject
+
+internal class RoomMemberEventHandler @Inject constructor() {
+
+    fun handle(realm: Realm, roomId: String, event: Event): Boolean {
+        if (event.type != EventType.STATE_ROOM_MEMBER) {
+            return false
+        }
+        val roomMember = event.content.toModel<RoomMemberContent>() ?: return false
+        val userId = event.stateKey ?: return false
+        val roomMemberEntity = RoomMemberEntityFactory.create(roomId, userId, roomMember)
+        realm.insertOrUpdate(roomMemberEntity)
+        if (roomMember.membership in Membership.activeMemberships()) {
+            val userEntity = UserEntityFactory.create(userId, roomMember)
+            realm.insertOrUpdate(userEntity)
+        }
+        return true
+    }
+}

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

@@ -17,12 +17,10 @@
 package im.vector.matrix.android.internal.session.room.membership
 
 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.Membership
-import im.vector.matrix.android.api.session.room.model.RoomMember
-import im.vector.matrix.android.internal.database.mapper.asDomain
+import im.vector.matrix.android.internal.database.model.*
 import im.vector.matrix.android.internal.database.model.EventEntity
-import im.vector.matrix.android.internal.database.model.EventEntityFields
+import im.vector.matrix.android.internal.database.model.RoomMemberEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.query.where
 import io.realm.Realm
@@ -42,19 +40,18 @@ internal class RoomMembers(private val realm: Realm,
         RoomSummaryEntity.where(realm, roomId).findFirst()
     }
 
-    fun getStateEvent(userId: String): EventEntity? {
+    fun getLastStateEvent(userId: String): EventEntity? {
         return EventEntity
                 .where(realm, roomId, EventType.STATE_ROOM_MEMBER)
-                .sort(EventEntityFields.STATE_INDEX, Sort.DESCENDING)
                 .equalTo(EventEntityFields.STATE_KEY, userId)
+                .sort(EventEntityFields.STATE_INDEX, Sort.DESCENDING)
                 .findFirst()
     }
 
-    fun get(userId: String): RoomMember? {
-        return getStateEvent(userId)
-                ?.let {
-                    it.asDomain().content?.toModel<RoomMember>()
-                }
+    fun getLastRoomMember(userId: String): RoomMemberEntity? {
+        return RoomMemberEntity
+                .where(realm, roomId, userId)
+                .findFirst()
     }
 
     fun isUniqueDisplayName(displayName: String?): Boolean {
@@ -69,36 +66,37 @@ internal class RoomMembers(private val realm: Realm,
                 .size == 1
     }
 
-    fun queryRoomMembersEvent(): RealmQuery<EventEntity> {
-        return EventEntity
-                .where(realm, roomId, EventType.STATE_ROOM_MEMBER)
-                .sort(EventEntityFields.STATE_INDEX, Sort.DESCENDING)
-                .isNotNull(EventEntityFields.STATE_KEY)
-                .distinct(EventEntityFields.STATE_KEY)
-                .isNotNull(EventEntityFields.CONTENT)
+    fun queryRoomMembersEvent(): RealmQuery<RoomMemberEntity> {
+        return RoomMemberEntity.where(realm, roomId)
     }
 
-    fun queryJoinedRoomMembersEvent(): RealmQuery<EventEntity> {
-        return queryRoomMembersEvent().contains(EventEntityFields.CONTENT, "\"membership\":\"join\"")
-    }
-
-    fun queryInvitedRoomMembersEvent(): RealmQuery<EventEntity> {
-        return queryRoomMembersEvent().contains(EventEntityFields.CONTENT, "\"membership\":\"invite\"")
-    }
-
-    fun queryRoomMemberEvent(userId: String): RealmQuery<EventEntity> {
+    fun queryJoinedRoomMembersEvent(): RealmQuery<RoomMemberEntity> {
         return queryRoomMembersEvent()
-                .equalTo(EventEntityFields.STATE_KEY, userId)
+                .equalTo(RoomMemberEntityFields.MEMBERSHIP_STR, Membership.JOIN.name)
+    }
+
+    fun queryInvitedRoomMembersEvent(): RealmQuery<RoomMemberEntity> {
+        return queryRoomMembersEvent()
+                .equalTo(RoomMemberEntityFields.MEMBERSHIP_STR, Membership.INVITE.name)
+    }
+
+    fun queryActiveRoomMembersEvent(): RealmQuery<RoomMemberEntity> {
+        return queryRoomMembersEvent()
+                .beginGroup()
+                .equalTo(RoomMemberEntityFields.MEMBERSHIP_STR, Membership.INVITE.name)
+                .or()
+                .equalTo(RoomMemberEntityFields.MEMBERSHIP_STR, Membership.JOIN.name)
+                .endGroup()
     }
 
     fun getNumberOfJoinedMembers(): Int {
         return roomSummary?.joinedMembersCount
-               ?: queryJoinedRoomMembersEvent().findAll().size
+                ?: queryJoinedRoomMembersEvent().findAll().size
     }
 
     fun getNumberOfInvitedMembers(): Int {
         return roomSummary?.invitedMembersCount
-               ?: queryInvitedRoomMembersEvent().findAll().size
+                ?: queryInvitedRoomMembersEvent().findAll().size
     }
 
     fun getNumberOfMembers(): Int {
@@ -111,7 +109,7 @@ internal class RoomMembers(private val realm: Realm,
      * @return a roomMember id list of joined or invited members.
      */
     fun getActiveRoomMemberIds(): List<String> {
-        return getRoomMemberIdsFiltered { it.membership == Membership.JOIN || it.membership == Membership.INVITE }
+        return queryActiveRoomMembersEvent().findAll().map { it.userId }
     }
 
     /**
@@ -120,21 +118,6 @@ internal class RoomMembers(private val realm: Realm,
      * @return a roomMember id list of joined members.
      */
     fun getJoinedRoomMemberIds(): List<String> {
-        return getRoomMemberIdsFiltered { it.membership == Membership.JOIN }
-    }
-
-    /* ==========================================================================================
-     * Private
-     * ========================================================================================== */
-
-    private fun getRoomMemberIdsFiltered(predicate: (RoomMember) -> Boolean): List<String> {
-        return RoomMembers(realm, roomId)
-                .queryRoomMembersEvent()
-                .findAll()
-                .map { it.asDomain() }
-                .associateBy { it.stateKey!! }
-                .filterValues { predicate(it.content.toModel<RoomMember>()!!) }
-                .keys
-                .toList()
+        return queryJoinedRoomMembersEvent().findAll().map { it.userId }
     }
 }

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

@@ -20,7 +20,7 @@ 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.LocalEcho
 import im.vector.matrix.android.api.session.events.model.UnsignedData
-import im.vector.matrix.android.internal.database.helper.updateSenderData
+import im.vector.matrix.android.internal.database.helper.TimelineEventSenderVisitor
 import im.vector.matrix.android.internal.database.mapper.ContentMapper
 import im.vector.matrix.android.internal.database.mapper.EventMapper
 import im.vector.matrix.android.internal.database.model.EventEntity
@@ -41,7 +41,8 @@ internal interface PruneEventTask : Task<PruneEventTask.Params, Unit> {
     )
 }
 
-internal class DefaultPruneEventTask @Inject constructor(private val monarchy: Monarchy) : PruneEventTask {
+internal class DefaultPruneEventTask @Inject constructor(private val monarchy: Monarchy,
+                                                         private val timelineEventSenderVisitor: TimelineEventSenderVisitor) : PruneEventTask {
 
     override suspend fun execute(params: PruneEventTask.Params) {
         monarchy.awaitTransaction { realm ->
@@ -65,12 +66,14 @@ internal class DefaultPruneEventTask @Inject constructor(private val monarchy: M
         val eventToPrune = EventEntity.where(realm, eventId = redactionEvent.redacts).findFirst()
                 ?: return
 
-        val allowedKeys = computeAllowedKeys(eventToPrune.type)
+        val typeToPrune = eventToPrune.type
+        val stateKey = eventToPrune.stateKey
+        val allowedKeys = computeAllowedKeys(typeToPrune)
         if (allowedKeys.isNotEmpty()) {
             val prunedContent = ContentMapper.map(eventToPrune.content)?.filterKeys { key -> allowedKeys.contains(key) }
             eventToPrune.content = ContentMapper.map(prunedContent)
         } else {
-            when (eventToPrune.type) {
+            when (typeToPrune) {
                 EventType.ENCRYPTED,
                 EventType.MESSAGE -> {
                     Timber.d("REDACTION for message ${eventToPrune.eventId}")
@@ -94,11 +97,10 @@ internal class DefaultPruneEventTask @Inject constructor(private val monarchy: M
 //                }
             }
         }
-        if (eventToPrune.type == EventType.STATE_ROOM_MEMBER) {
+        if (typeToPrune == EventType.STATE_ROOM_MEMBER && stateKey != null) {
+            timelineEventSenderVisitor.clear(roomId = eventToPrune.roomId, senderId = stateKey)
             val timelineEventsToUpdate = TimelineEventEntity.findWithSenderMembershipEvent(realm, eventToPrune.eventId)
-            for (timelineEvent in timelineEventsToUpdate) {
-                timelineEvent.updateSenderData()
-            }
+            timelineEventSenderVisitor.visit(timelineEventsToUpdate)
         }
     }
 

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

@@ -215,7 +215,16 @@ internal class DefaultRelationService @AssistedInject constructor(@Assisted priv
         return TimelineSendEventWorkCommon.createWork<SendEventWorker>(sendWorkData, startChain)
     }
 
-    override fun getEventSummaryLive(eventId: String): LiveData<Optional<EventAnnotationsSummary>> {
+    override fun getEventAnnotationsSummary(eventId: String): EventAnnotationsSummary? {
+        return monarchy.fetchCopyMap(
+                { EventAnnotationsSummaryEntity.where(it, eventId).findFirst() },
+                { entity, _ ->
+                    entity.asDomain()
+                }
+        )
+    }
+
+    override fun getEventAnnotationsSummaryLive(eventId: String): LiveData<Optional<EventAnnotationsSummary>> {
         val liveData = monarchy.findAllMappedWithChanges(
                 { EventAnnotationsSummaryEntity.where(it, eventId) },
                 { it.asDomain() }

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

@@ -21,7 +21,6 @@ import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.internal.database.helper.deleteOnCascade
 import im.vector.matrix.android.internal.database.model.ChunkEntity
 import im.vector.matrix.android.internal.database.model.ChunkEntityFields
-import im.vector.matrix.android.internal.database.model.EventEntityFields
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.task.Task
 import im.vector.matrix.android.internal.util.awaitTransaction
@@ -38,7 +37,7 @@ internal class DefaultClearUnlinkedEventsTask @Inject constructor(private val mo
         monarchy.awaitTransaction { localRealm ->
             val unlinkedChunks = ChunkEntity
                     .where(localRealm, roomId = params.roomId)
-                    .equalTo("${ChunkEntityFields.TIMELINE_EVENTS.ROOT}.${EventEntityFields.IS_UNLINKED}", true)
+                    .equalTo(ChunkEntityFields.IS_UNLINKED, true)
                     .findAll()
             unlinkedChunks.forEach {
                 it.deleteOnCascade()

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

@@ -27,13 +27,7 @@ import im.vector.matrix.android.api.session.room.timeline.TimelineSettings
 import im.vector.matrix.android.api.util.CancelableBag
 import im.vector.matrix.android.internal.database.mapper.TimelineEventMapper
 import im.vector.matrix.android.internal.database.mapper.asDomain
-import im.vector.matrix.android.internal.database.model.ChunkEntity
-import im.vector.matrix.android.internal.database.model.ChunkEntityFields
-import im.vector.matrix.android.internal.database.model.EventAnnotationsSummaryEntity
-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.TimelineEventEntity
-import im.vector.matrix.android.internal.database.model.TimelineEventEntityFields
+import im.vector.matrix.android.internal.database.model.*
 import im.vector.matrix.android.internal.database.query.FilterContent
 import im.vector.matrix.android.internal.database.query.findAllInRoomWithSendStates
 import im.vector.matrix.android.internal.database.query.where
@@ -44,16 +38,10 @@ import im.vector.matrix.android.internal.task.configureWith
 import im.vector.matrix.android.internal.util.Debouncer
 import im.vector.matrix.android.internal.util.createBackgroundHandler
 import im.vector.matrix.android.internal.util.createUIHandler
-import io.realm.OrderedCollectionChangeSet
-import io.realm.OrderedRealmCollectionChangeListener
-import io.realm.Realm
-import io.realm.RealmConfiguration
-import io.realm.RealmQuery
-import io.realm.RealmResults
-import io.realm.Sort
+import io.realm.*
 import timber.log.Timber
-import java.util.Collections
-import java.util.UUID
+import java.util.*
+import java.util.concurrent.CopyOnWriteArrayList
 import java.util.concurrent.atomic.AtomicBoolean
 import java.util.concurrent.atomic.AtomicReference
 import kotlin.collections.ArrayList
@@ -77,11 +65,11 @@ internal class DefaultTimeline(
         private val hiddenReadReceipts: TimelineHiddenReadReceipts
 ) : Timeline, TimelineHiddenReadReceipts.Delegate {
 
-    private companion object {
+    companion object {
         val BACKGROUND_HANDLER = createBackgroundHandler("TIMELINE_DB_THREAD")
     }
 
-    private val listeners = ArrayList<Timeline.Listener>()
+    private val listeners = CopyOnWriteArrayList<Timeline.Listener>()
     private val isStarted = AtomicBoolean(false)
     private val isReady = AtomicBoolean(false)
     private val mainHandler = createUIHandler()
@@ -113,11 +101,7 @@ internal class DefaultTimeline(
         if (!results.isLoaded || !results.isValid) {
             return@OrderedRealmCollectionChangeListener
         }
-        if (changeSet.state == OrderedCollectionChangeSet.State.INITIAL) {
-            handleInitialLoad()
-        } else {
-            handleUpdates(changeSet)
-        }
+        handleUpdates(changeSet)
     }
 
     private val relationsListener = OrderedRealmCollectionChangeListener<RealmResults<EventAnnotationsSummaryEntity>> { collection, changeSet ->
@@ -179,8 +163,9 @@ internal class DefaultTimeline(
                 nonFilteredEvents = buildEventQuery(realm).sort(TimelineEventEntityFields.ROOT.DISPLAY_INDEX, Sort.DESCENDING).findAll()
                 filteredEvents = nonFilteredEvents.where()
                         .filterEventsWithSettings()
-                        .findAllAsync()
-                        .also { it.addChangeListener(eventsChangeListener) }
+                        .findAll()
+                handleInitialLoad()
+                filteredEvents.addChangeListener(eventsChangeListener)
 
                 eventRelations = EventAnnotationsSummaryEntity.whereInRoom(realm, roomId)
                         .findAllAsync()
@@ -288,20 +273,20 @@ internal class DefaultTimeline(
         return hasMoreInCache(direction) || !hasReachedEnd(direction)
     }
 
-    override fun addListener(listener: Timeline.Listener) = synchronized(listeners) {
+    override fun addListener(listener: Timeline.Listener): Boolean {
         if (listeners.contains(listener)) {
             return false
         }
-        listeners.add(listener).also {
+        return listeners.add(listener).also {
             postSnapshot()
         }
     }
 
-    override fun removeListener(listener: Timeline.Listener) = synchronized(listeners) {
-        listeners.remove(listener)
+    override fun removeListener(listener: Timeline.Listener): Boolean {
+        return listeners.remove(listener)
     }
 
-    override fun removeAllListeners() = synchronized(listeners) {
+    override fun removeAllListeners() {
         listeners.clear()
     }
 
@@ -402,14 +387,14 @@ internal class DefaultTimeline(
 
     private fun getState(direction: Timeline.Direction): State {
         return when (direction) {
-            Timeline.Direction.FORWARDS  -> forwardsState.get()
+            Timeline.Direction.FORWARDS -> forwardsState.get()
             Timeline.Direction.BACKWARDS -> backwardsState.get()
         }
     }
 
     private fun updateState(direction: Timeline.Direction, update: (State) -> State) {
         val stateReference = when (direction) {
-            Timeline.Direction.FORWARDS  -> forwardsState
+            Timeline.Direction.FORWARDS -> forwardsState
             Timeline.Direction.BACKWARDS -> backwardsState
         }
         val currentValue = stateReference.get()
@@ -508,10 +493,10 @@ internal class DefaultTimeline(
                     this.callback = object : MatrixCallback<TokenChunkEventPersistor.Result> {
                         override fun onSuccess(data: TokenChunkEventPersistor.Result) {
                             when (data) {
-                                TokenChunkEventPersistor.Result.SUCCESS           -> {
+                                TokenChunkEventPersistor.Result.SUCCESS -> {
                                     Timber.v("Success fetching $limit items $direction from pagination request")
                                 }
-                                TokenChunkEventPersistor.Result.REACHED_END       -> {
+                                TokenChunkEventPersistor.Result.REACHED_END -> {
                                     postSnapshot()
                                 }
                                 TokenChunkEventPersistor.Result.SHOULD_FETCH_MORE ->
@@ -656,10 +641,8 @@ internal class DefaultTimeline(
             updateLoadingStates(filteredEvents)
             val snapshot = createSnapshot()
             val runnable = Runnable {
-                synchronized(listeners) {
-                    listeners.forEach {
-                        it.onTimelineUpdated(snapshot)
-                    }
+                listeners.forEach {
+                    it.onTimelineUpdated(snapshot)
                 }
             }
             debouncer.debounce("post_snapshot", runnable, 50)
@@ -671,10 +654,8 @@ internal class DefaultTimeline(
             return
         }
         val runnable = Runnable {
-            synchronized(listeners) {
-                listeners.forEach {
-                    it.onTimelineFailure(throwable)
-                }
+            listeners.forEach {
+                it.onTimelineFailure(throwable)
             }
         }
         mainHandler.post(runnable)

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

@@ -18,17 +18,12 @@ package im.vector.matrix.android.internal.session.room.timeline
 
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.internal.database.helper.*
-import im.vector.matrix.android.internal.database.helper.add
-import im.vector.matrix.android.internal.database.helper.addOrUpdate
-import im.vector.matrix.android.internal.database.helper.addStateEvent
-import im.vector.matrix.android.internal.database.helper.deleteOnCascade
 import im.vector.matrix.android.internal.database.model.ChunkEntity
 import im.vector.matrix.android.internal.database.model.RoomEntity
 import im.vector.matrix.android.internal.database.query.create
 import im.vector.matrix.android.internal.database.query.find
 import im.vector.matrix.android.internal.database.query.findAllIncludingEvents
 import im.vector.matrix.android.internal.database.query.where
-import im.vector.matrix.android.internal.session.user.UserEntityFactory
 import im.vector.matrix.android.internal.util.awaitTransaction
 import io.realm.kotlin.createObject
 import timber.log.Timber
@@ -37,7 +32,8 @@ import javax.inject.Inject
 /**
  * Insert Chunk in DB, and eventually merge with existing chunk event
  */
-internal class TokenChunkEventPersistor @Inject constructor(private val monarchy: Monarchy) {
+internal class TokenChunkEventPersistor @Inject constructor(private val monarchy: Monarchy,
+                                                            private val timelineEventSenderVisitor: TimelineEventSenderVisitor) {
 
     /**
      * <pre>
@@ -136,27 +132,22 @@ internal class TokenChunkEventPersistor @Inject constructor(private val monarchy
 
                     // The current chunk is the one we will keep all along the merge processChanges.
                     // We try to look for a chunk next to the token,
-                    // otherwise we create a whole new one
+                    // otherwise we create a whole new one which is unlinked (not live)
 
                     var currentChunk = if (direction == PaginationDirection.FORWARDS) {
                         prevChunk?.apply { this.nextToken = nextToken }
                     } else {
                         nextChunk?.apply { this.prevToken = prevToken }
                     }
-                            ?: ChunkEntity.create(realm, prevToken, nextToken)
+                            ?: ChunkEntity.create(realm, prevToken, nextToken, isUnlinked = true)
 
                     if (receivedChunk.events.isEmpty() && receivedChunk.end == receivedChunk.start) {
                         Timber.v("Reach end of $roomId")
                         currentChunk.isLastBackward = true
                     } else if (!shouldSkip) {
                         Timber.v("Add ${receivedChunk.events.size} events in chunk(${currentChunk.nextToken} | ${currentChunk.prevToken}")
-                        val eventIds = ArrayList<String>(receivedChunk.events.size)
-                        for (event in receivedChunk.events) {
-                            event.eventId?.also { eventIds.add(it) }
-                            currentChunk.add(roomId, event, direction, isUnlinked = currentChunk.isUnlinked())
-                            UserEntityFactory.createOrNull(event)?.also {
-                                realm.insertOrUpdate(it)
-                            }
+                        val timelineEvents = receivedChunk.events.mapNotNull {
+                            currentChunk.add(roomId, it, direction)
                         }
                         // Then we merge chunks if needed
                         if (currentChunk != prevChunk && prevChunk != null) {
@@ -174,12 +165,9 @@ internal class TokenChunkEventPersistor @Inject constructor(private val monarchy
                         }
                         roomEntity.addOrUpdate(currentChunk)
                         for (stateEvent in receivedChunk.stateEvents) {
-                            roomEntity.addStateEvent(stateEvent, isUnlinked = currentChunk.isUnlinked())
-                            UserEntityFactory.createOrNull(stateEvent)?.also {
-                                realm.insertOrUpdate(it)
-                            }
+                            roomEntity.addStateEvent(stateEvent, isUnlinked = currentChunk.isUnlinked)
                         }
-                        currentChunk.updateSenderDataFor(eventIds)
+                        timelineEventSenderVisitor.visit(timelineEvents)
                     }
                 }
         return if (receivedChunk.events.isEmpty()) {
@@ -200,11 +188,13 @@ internal class TokenChunkEventPersistor @Inject constructor(private val monarchy
         // We always merge the bottom chunk into top chunk, so we are always merging backwards
         Timber.v("Merge ${currentChunk.prevToken} | ${currentChunk.nextToken} with ${otherChunk.prevToken} | ${otherChunk.nextToken}")
         return if (direction == PaginationDirection.BACKWARDS && !otherChunk.isLastForward) {
-            currentChunk.merge(roomEntity.roomId, otherChunk, PaginationDirection.BACKWARDS)
+            val events = currentChunk.merge(roomEntity.roomId, otherChunk, PaginationDirection.BACKWARDS)
+            timelineEventSenderVisitor.visit(events)
             roomEntity.deleteOnCascade(otherChunk)
             currentChunk
         } else {
-            otherChunk.merge(roomEntity.roomId, currentChunk, PaginationDirection.BACKWARDS)
+            val events = otherChunk.merge(roomEntity.roomId, currentChunk, PaginationDirection.BACKWARDS)
+            timelineEventSenderVisitor.visit(events)
             roomEntity.deleteOnCascade(currentChunk)
             otherChunk
         }

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

@@ -27,16 +27,17 @@ import im.vector.matrix.android.internal.database.helper.*
 import im.vector.matrix.android.internal.database.model.ChunkEntity
 import im.vector.matrix.android.internal.database.model.EventEntityFields
 import im.vector.matrix.android.internal.database.model.RoomEntity
+import im.vector.matrix.android.internal.database.model.TimelineEventEntity
 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.where
 import im.vector.matrix.android.internal.session.DefaultInitialSyncProgressService
 import im.vector.matrix.android.internal.session.mapWithProgress
 import im.vector.matrix.android.internal.session.room.RoomSummaryUpdater
+import im.vector.matrix.android.internal.session.room.membership.RoomMemberEventHandler
 import im.vector.matrix.android.internal.session.room.read.FullyReadContent
 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.user.UserEntityFactory
 import io.realm.Realm
 import io.realm.kotlin.createObject
 import timber.log.Timber
@@ -46,7 +47,9 @@ internal class RoomSyncHandler @Inject constructor(private val readReceiptHandle
                                                    private val roomSummaryUpdater: RoomSummaryUpdater,
                                                    private val roomTagHandler: RoomTagHandler,
                                                    private val roomFullyReadHandler: RoomFullyReadHandler,
-                                                   private val cryptoService: DefaultCryptoService) {
+                                                   private val cryptoService: DefaultCryptoService,
+                                                   private val roomMemberEventHandler: RoomMemberEventHandler,
+                                                   private val timelineEventSenderVisitor: TimelineEventSenderVisitor) {
 
     sealed class HandlingStrategy {
         data class JOINED(val data: Map<String, RoomSync>) : HandlingStrategy()
@@ -119,9 +122,7 @@ internal class RoomSyncHandler @Inject constructor(private val readReceiptHandle
                 roomEntity.addStateEvent(event, filterDuplicates = true, stateIndex = untimelinedStateIndex)
                 // Give info to crypto module
                 cryptoService.onStateEvent(roomId, event)
-                UserEntityFactory.createOrNull(event)?.also {
-                    realm.insertOrUpdate(it)
-                }
+                roomMemberEventHandler.handle(realm, roomId, event)
             }
         }
         if (roomSync.timeline != null && roomSync.timeline.events.isNotEmpty()) {
@@ -189,11 +190,13 @@ internal class RoomSyncHandler @Inject constructor(private val readReceiptHandle
         }
         lastChunk?.isLastForward = false
         chunkEntity.isLastForward = true
+        chunkEntity.isUnlinked = false
 
-        val eventIds = ArrayList<String>(eventList.size)
+        val timelineEvents = ArrayList<TimelineEventEntity>(eventList.size)
         for (event in eventList) {
-            event.eventId?.also { eventIds.add(it) }
-            chunkEntity.add(roomEntity.roomId, event, PaginationDirection.FORWARDS, stateIndexOffset)
+            chunkEntity.add(roomEntity.roomId, event, PaginationDirection.FORWARDS, stateIndexOffset)?.also {
+                timelineEvents.add(it)
+            }
             // Give info to crypto module
             cryptoService.onLiveEvent(roomEntity.roomId, event)
             // Try to remove local echo
@@ -206,11 +209,9 @@ internal class RoomSyncHandler @Inject constructor(private val readReceiptHandle
                     Timber.v("Can't find corresponding local echo for tx:$it")
                 }
             }
-            UserEntityFactory.createOrNull(event)?.also {
-                realm.insertOrUpdate(it)
-            }
+            roomMemberEventHandler.handle(realm, roomEntity.roomId, event)
         }
-        chunkEntity.updateSenderDataFor(eventIds)
+        timelineEventSenderVisitor.visit(timelineEvents)
         return chunkEntity
     }
 

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

@@ -20,7 +20,7 @@ import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.pushrules.RuleScope
 import im.vector.matrix.android.api.pushrules.RuleSetKey
 import im.vector.matrix.android.api.session.events.model.toModel
-import im.vector.matrix.android.api.session.room.model.RoomMember
+import im.vector.matrix.android.api.session.room.model.RoomMemberContent
 import im.vector.matrix.android.internal.database.mapper.PushRulesMapper
 import im.vector.matrix.android.internal.database.mapper.asDomain
 import im.vector.matrix.android.internal.database.model.*
@@ -69,9 +69,9 @@ internal class UserAccountDataSyncHandler @Inject constructor(private val monarc
         var hasUpdate = false
         monarchy.doWithRealm { realm ->
             invites.forEach { (roomId, _) ->
-                val myUserStateEvent = RoomMembers(realm, roomId).getStateEvent(userId)
+                val myUserStateEvent = RoomMembers(realm, roomId).getLastStateEvent(userId)
                 val inviterId = myUserStateEvent?.sender
-                val myUserRoomMember: RoomMember? = myUserStateEvent?.let { it.asDomain().content?.toModel() }
+                val myUserRoomMember: RoomMemberContent? = myUserStateEvent?.let { it.asDomain().content?.toModel() }
                 val isDirect = myUserRoomMember?.isDirect
                 if (inviterId != null && inviterId != userId && isDirect == true) {
                     directChats

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

@@ -112,7 +112,7 @@ abstract class SyncService : Service() {
         try {
             syncTask.execute(params)
             // Start sync if we were doing an initial sync and the syncThread is not launched yet
-            if (isInitialSync && session.syncState().value == SyncState.Idle) {
+            if (isInitialSync && session.getSyncStateLive().value == SyncState.Idle) {
                 val isForeground = !backgroundDetectionObserver.isInBackground
                 session.startSync(isForeground)
             }

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

@@ -70,7 +70,7 @@ internal class DefaultUserService @Inject constructor(private val monarchy: Mona
         return userEntity.asDomain()
     }
 
-    override fun liveUser(userId: String): LiveData<Optional<User>> {
+    override fun getUserLive(userId: String): LiveData<Optional<User>> {
         val liveData = monarchy.findAllMappedWithChanges(
                 { UserEntity.where(it, userId) },
                 { it.asDomain() }
@@ -80,7 +80,7 @@ internal class DefaultUserService @Inject constructor(private val monarchy: Mona
         }
     }
 
-    override fun liveUsers(): LiveData<List<User>> {
+    override fun getUsersLive(): LiveData<List<User>> {
         return monarchy.findAllMappedWithChanges(
                 { realm ->
                     realm.where(UserEntity::class.java)
@@ -91,7 +91,7 @@ internal class DefaultUserService @Inject constructor(private val monarchy: Mona
         )
     }
 
-    override fun livePagedUsers(filter: String?): LiveData<PagedList<User>> {
+    override fun getPagedUsersLive(filter: String?): LiveData<PagedList<User>> {
         realmDataSourceFactory.updateQuery { realm ->
             val query = realm.where(UserEntity::class.java)
             if (filter.isNullOrEmpty()) {
@@ -121,7 +121,7 @@ internal class DefaultUserService @Inject constructor(private val monarchy: Mona
                 .executeBy(taskExecutor)
     }
 
-    override fun liveIgnoredUsers(): LiveData<List<User>> {
+    override fun getIgnoredUsersLive(): LiveData<List<User>> {
         return monarchy.findAllMappedWithChanges(
                 { realm ->
                     realm.where(IgnoredUserEntity::class.java)

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

@@ -16,27 +16,16 @@
 
 package im.vector.matrix.android.internal.session.user
 
-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.Membership
-import im.vector.matrix.android.api.session.room.model.RoomMember
+import im.vector.matrix.android.api.session.room.model.RoomMemberContent
 import im.vector.matrix.android.internal.database.model.UserEntity
 
 internal object UserEntityFactory {
 
-    fun createOrNull(event: Event): UserEntity? {
-        if (event.type != EventType.STATE_ROOM_MEMBER) {
-            return null
-        }
-        val roomMember = event.content.toModel<RoomMember>() ?: return null
-        // We only use JOIN and INVITED memberships to create User data
-        if (roomMember.membership != Membership.JOIN && roomMember.membership != Membership.INVITE) {
-            return null
-        }
-        return UserEntity(event.stateKey ?: "",
-                roomMember.displayName ?: "",
-                roomMember.avatarUrl ?: ""
+    fun create(userId: String, roomMember: RoomMemberContent): UserEntity {
+        return UserEntity(
+                userId = userId,
+                displayName = roomMember.displayName ?: "",
+                avatarUrl = roomMember.avatarUrl ?: ""
         )
     }
 }

matrix-sdk-android/src/test/java/im/vector/matrix/android/api/pushrules/PushrulesConditionTest.kt

@@ -21,7 +21,7 @@ import im.vector.matrix.android.api.session.events.model.toContent
 import im.vector.matrix.android.api.session.room.Room
 import im.vector.matrix.android.api.session.room.RoomService
 import im.vector.matrix.android.api.session.room.model.Membership
-import im.vector.matrix.android.api.session.room.model.RoomMember
+import im.vector.matrix.android.api.session.room.model.RoomMemberContent
 import im.vector.matrix.android.api.session.room.model.message.MessageTextContent
 import io.mockk.every
 import io.mockk.mockk
@@ -40,7 +40,7 @@ class PushrulesConditionTest {
                 content = MessageTextContent("m.text", "Yo wtf?").toContent(),
                 originServerTs = 0)
 
-        val rm = RoomMember(
+        val rm = RoomMemberContent(
                 Membership.INVITE,
                 displayName = "Foo",
                 avatarUrl = "mxc://matrix.org/EqMZYbREvHXvYFyfxOlkf"
@@ -72,7 +72,7 @@ class PushrulesConditionTest {
                 type = "m.room.member",
                 eventId = "mx0",
                 stateKey = "@foo:matrix.org",
-                content = RoomMember(
+                content = RoomMemberContent(
                         Membership.INVITE,
                         displayName = "Foo",
                         avatarUrl = "mxc://matrix.org/EqMZYbREvHXvYFyfxOlkf"

vector/build.gradle

@@ -218,8 +218,8 @@ android {
 
 dependencies {
 
-    def epoxy_version = '3.8.0'
-    def fragment_version = '1.2.0-rc01'
+    def epoxy_version = '3.9.0'
+    def fragment_version = '1.2.0-rc04'
     def arrow_version = "0.8.2"
     def coroutines_version = "1.3.2"
     def markwon_version = '4.1.2'
@@ -227,7 +227,7 @@ dependencies {
     def glide_version = '4.10.0'
     def moshi_version = '1.8.0'
     def daggerVersion = '2.24'
-    def autofill_version = "1.0.0-rc01"
+    def autofill_version = "1.0.0"
 
     implementation project(":matrix-sdk-android")
     implementation project(":matrix-sdk-android-rx")
@@ -238,11 +238,11 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
 
+    implementation "androidx.recyclerview:recyclerview:1.2.0-alpha01"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation "androidx.fragment:fragment:$fragment_version"
     implementation "androidx.fragment:fragment-ktx:$fragment_version"
-    //Do not use beta2 at the moment, as it breaks things
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-beta1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-beta4'
     implementation 'androidx.core:core-ktx:1.1.0'
 
     implementation "org.threeten:threetenbp:1.4.0:no-tzdb"
@@ -275,10 +275,10 @@ dependencies {
     implementation 'com.airbnb.android:mvrx:1.3.0'
 
     // Work
-    implementation "androidx.work:work-runtime-ktx:2.3.0-alpha01"
+    implementation "androidx.work:work-runtime-ktx:2.3.0-beta02"
 
     // Paging
-    implementation "androidx.paging:paging-runtime-ktx:2.1.0"
+    implementation "androidx.paging:paging-runtime-ktx:2.1.1"
 
     // Functional Programming
     implementation "io.arrow-kt:arrow-core:$arrow_version"
@@ -288,7 +288,7 @@ dependencies {
 
     // UI
     implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
-    implementation 'com.google.android.material:material:1.1.0-beta01'
+    implementation 'com.google.android.material:material:1.2.0-alpha03'
     implementation 'me.gujun.android:span:1.7'
     implementation "io.noties.markwon:core:$markwon_version"
     implementation "io.noties.markwon:html:$markwon_version"

vector/src/main/java/im/vector/riotx/AppStateHandler.kt

@@ -22,6 +22,7 @@ import androidx.lifecycle.OnLifecycleEvent
 import arrow.core.Option
 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.roomSummaryQueryParams
 import im.vector.matrix.rx.rx
 import im.vector.riotx.features.home.HomeRoomListDataSource
 import im.vector.riotx.features.home.group.ALL_COMMUNITIES_GROUP_ID
@@ -65,7 +66,8 @@ class AppStateHandler @Inject constructor(
                         sessionDataSource.observe()
                                 .observeOn(AndroidSchedulers.mainThread())
                                 .switchMap {
-                                    it.orNull()?.rx()?.liveRoomSummaries()
+                                    val query = roomSummaryQueryParams {}
+                                    it.orNull()?.rx()?.liveRoomSummaries(query)
                                             ?: Observable.just(emptyList())
                                 }
                                 .throttleLast(300, TimeUnit.MILLISECONDS),

vector/src/main/java/im/vector/riotx/core/di/ScreenComponent.kt

@@ -63,7 +63,8 @@ import im.vector.riotx.features.ui.UiStateRepository
             ViewModelModule::class,
             FragmentModule::class,
             HomeModule::class,
-            RoomListModule::class
+            RoomListModule::class,
+            ScreenModule::class
         ]
 )
 @ScreenScope

vector/src/main/java/im/vector/riotx/core/di/ScreenModule.kt

@@ -17,6 +17,7 @@
 package im.vector.riotx.core.di
 
 import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.RecyclerView
 import dagger.Module
 import dagger.Provides
 import im.vector.riotx.core.glide.GlideApp
@@ -27,4 +28,9 @@ object ScreenModule {
     @Provides
     @JvmStatic
     fun providesGlideRequests(context: AppCompatActivity) = GlideApp.with(context)
+
+    @Provides
+    @JvmStatic
+    @ScreenScope
+    fun providesSharedViewPool() = RecyclerView.RecycledViewPool()
 }

vector/src/main/java/im/vector/riotx/core/di/VectorComponent.kt

@@ -44,6 +44,7 @@ import im.vector.riotx.features.notifications.*
 import im.vector.riotx.features.rageshake.BugReporter
 import im.vector.riotx.features.rageshake.VectorFileLogger
 import im.vector.riotx.features.rageshake.VectorUncaughtExceptionHandler
+import im.vector.riotx.features.reactions.data.EmojiDataSource
 import im.vector.riotx.features.session.SessionListener
 import im.vector.riotx.features.settings.VectorPreferences
 import im.vector.riotx.features.share.ShareRoomListDataSource
@@ -124,6 +125,8 @@ interface VectorComponent {
 
     fun uiStateRepository(): UiStateRepository
 
+    fun emojiDataSource(): EmojiDataSource
+
     @Component.Factory
     interface Factory {
         fun create(@BindsInstance context: Context): VectorComponent

vector/src/main/java/im/vector/riotx/core/epoxy/VectorEpoxyModel.kt

@@ -18,14 +18,25 @@ package im.vector.riotx.core.epoxy
 
 import com.airbnb.epoxy.EpoxyModelWithHolder
 import com.airbnb.epoxy.VisibilityState
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancelChildren
 
 /**
  * EpoxyModelWithHolder which can listen to visibility state change
  */
 abstract class VectorEpoxyModel<H : VectorEpoxyHolder> : EpoxyModelWithHolder<H>() {
 
+    protected val coroutineScope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
+
     private var onModelVisibilityStateChangedListener: OnVisibilityStateChangedListener? = null
 
+    override fun unbind(holder: H) {
+        coroutineScope.coroutineContext.cancelChildren()
+        super.unbind(holder)
+    }
+
     override fun onVisibilityStateChanged(visibilityState: Int, view: H) {
         onModelVisibilityStateChangedListener?.onVisibilityStateChanged(visibilityState)
         super.onVisibilityStateChanged(visibilityState, view)

vector/src/main/java/im/vector/riotx/core/epoxy/bottomsheet/BottomSheetMessagePreviewItem.kt

@@ -51,7 +51,7 @@ abstract class BottomSheetMessagePreviewItem : VectorEpoxyModel<BottomSheetMessa
         holder.sender.setTextOrHide(matrixItem.displayName)
         holder.body.movementMethod = movementMethod
         holder.body.text = body
-        body.findPillsAndProcess { it.bind(holder.body) }
+        body.findPillsAndProcess(coroutineScope) { it.bind(holder.body) }
         holder.timestamp.setTextOrHide(time)
     }
 

vector/src/main/java/im/vector/riotx/core/extensions/RecyclerView.kt

@@ -26,9 +26,13 @@ import com.airbnb.epoxy.EpoxyController
  */
 fun RecyclerView.configureWith(epoxyController: EpoxyController,
                                itemAnimator: RecyclerView.ItemAnimator? = null,
+                               viewPool: RecyclerView.RecycledViewPool? = null,
                                showDivider: Boolean = false,
                                hasFixedSize: Boolean = true) {
-    layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
+    layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false).apply {
+        recycleChildrenOnDetach = viewPool != null
+    }
+    setRecycledViewPool(viewPool)
     itemAnimator?.let { this.itemAnimator = it }
     if (showDivider) {
         addItemDecoration(DividerItemDecoration(context, DividerItemDecoration.VERTICAL))

vector/src/main/java/im/vector/riotx/core/services/VectorSyncService.kt

@@ -45,15 +45,13 @@ class VectorSyncService : SyncService() {
     }
 
     override fun onStart(isInitialSync: Boolean) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            val notificationSubtitleRes = if (isInitialSync) {
-                R.string.notification_initial_sync
-            } else {
-                R.string.notification_listening_for_events
-            }
-            val notification = notificationUtils.buildForegroundServiceNotification(notificationSubtitleRes, false)
-            startForeground(NotificationUtils.NOTIFICATION_ID_FOREGROUND_SERVICE, notification)
+        val notificationSubtitleRes = if (isInitialSync) {
+            R.string.notification_initial_sync
+        } else {
+            R.string.notification_listening_for_events
         }
+        val notification = notificationUtils.buildForegroundServiceNotification(notificationSubtitleRes, false)
+        startForeground(NotificationUtils.NOTIFICATION_ID_FOREGROUND_SERVICE, notification)
     }
 
     override fun onRescheduleAsked(userId: String, isInitialSync: Boolean, delay: Long) {

vector/src/main/java/im/vector/riotx/features/autocomplete/emoji/AutocompleteEmojiController.kt

@@ -37,10 +37,6 @@ class AutocompleteEmojiController @Inject constructor(
         }
     }
 
-    init {
-        fontProvider.addListener(fontProviderListener)
-    }
-
     var listener: AutocompleteClickListener<String>? = null
 
     override fun buildModels(data: List<EmojiItem>?) {
@@ -71,6 +67,10 @@ class AutocompleteEmojiController @Inject constructor(
         }
     }
 
+    override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
+        fontProvider.addListener(fontProviderListener)
+    }
+
     override fun onDetachedFromRecyclerView(recyclerView: RecyclerView) {
         super.onDetachedFromRecyclerView(recyclerView)
         fontProvider.removeListener(fontProviderListener)

vector/src/main/java/im/vector/riotx/features/autocomplete/group/AutocompleteGroupPresenter.kt

@@ -18,19 +18,19 @@ package im.vector.riotx.features.autocomplete.group
 
 import android.content.Context
 import androidx.recyclerview.widget.RecyclerView
-import com.airbnb.mvrx.Async
-import com.airbnb.mvrx.Success
 import com.otaliastudios.autocomplete.RecyclerViewPresenter
+import im.vector.matrix.android.api.query.QueryStringValue
+import im.vector.matrix.android.api.session.Session
+import im.vector.matrix.android.api.session.group.groupSummaryQueryParams
 import im.vector.matrix.android.api.session.group.model.GroupSummary
 import im.vector.riotx.features.autocomplete.AutocompleteClickListener
 import javax.inject.Inject
 
 class AutocompleteGroupPresenter @Inject constructor(context: Context,
-                                                     private val controller: AutocompleteGroupController
+                                                     private val controller: AutocompleteGroupController,
+                                                     private val session: Session
 ) : RecyclerViewPresenter<GroupSummary>(context), AutocompleteClickListener<GroupSummary> {
 
-    var callback: Callback? = null
-
     init {
         controller.listener = this
     }
@@ -46,16 +46,16 @@ class AutocompleteGroupPresenter @Inject constructor(context: Context,
     }
 
     override fun onQuery(query: CharSequence?) {
-        callback?.onQueryGroups(query)
-    }
-
-    fun render(groups: Async<List<GroupSummary>>) {
-        if (groups is Success) {
-            controller.setData(groups())
+        val queryParams = groupSummaryQueryParams {
+            displayName = if (query.isNullOrBlank()) {
+                QueryStringValue.IsNotEmpty
+            } else {
+                QueryStringValue.Contains(query.toString(), QueryStringValue.Case.INSENSITIVE)
+            }
         }
-    }
-
-    interface Callback {
-        fun onQueryGroups(query: CharSequence?)
+        val groups = session.getGroupSummaries(queryParams)
+                .asSequence()
+                .sortedBy { it.displayName }
+        controller.setData(groups.toList())
     }
 }

vector/src/main/java/im/vector/riotx/features/autocomplete/member/AutocompleteMemberController.kt

@@ -14,23 +14,23 @@
  * limitations under the License.
  */
 
-package im.vector.riotx.features.autocomplete.user
+package im.vector.riotx.features.autocomplete.member
 
 import com.airbnb.epoxy.TypedEpoxyController
-import im.vector.matrix.android.api.session.user.model.User
+import im.vector.matrix.android.api.session.room.model.RoomMember
 import im.vector.matrix.android.api.util.toMatrixItem
 import im.vector.riotx.features.autocomplete.AutocompleteClickListener
 import im.vector.riotx.features.autocomplete.autocompleteMatrixItem
 import im.vector.riotx.features.home.AvatarRenderer
 import javax.inject.Inject
 
-class AutocompleteUserController @Inject constructor() : TypedEpoxyController<List<User>>() {
+class AutocompleteMemberController @Inject constructor() : TypedEpoxyController<List<RoomMember>>() {
 
-    var listener: AutocompleteClickListener<User>? = null
+    var listener: AutocompleteClickListener<RoomMember>? = null
 
     @Inject lateinit var avatarRenderer: AvatarRenderer
 
-    override fun buildModels(data: List<User>?) {
+    override fun buildModels(data: List<RoomMember>?) {
         if (data.isNullOrEmpty()) {
             return
         }

vector/src/main/java/im/vector/riotx/features/autocomplete/member/AutocompleteMemberPresenter.kt

@@ -0,0 +1,72 @@
+/*
+ * 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.riotx.features.autocomplete.member
+
+import android.content.Context
+import androidx.recyclerview.widget.RecyclerView
+import com.otaliastudios.autocomplete.RecyclerViewPresenter
+import com.squareup.inject.assisted.Assisted
+import com.squareup.inject.assisted.AssistedInject
+import im.vector.matrix.android.api.query.QueryStringValue
+import im.vector.matrix.android.api.session.Session
+import im.vector.matrix.android.api.session.room.members.roomMemberQueryParams
+import im.vector.matrix.android.api.session.room.model.Membership
+import im.vector.matrix.android.api.session.room.model.RoomMember
+import im.vector.riotx.features.autocomplete.AutocompleteClickListener
+
+class AutocompleteMemberPresenter @AssistedInject constructor(context: Context,
+                                                              @Assisted val roomId: String,
+                                                              private val session: Session,
+                                                              private val controller: AutocompleteMemberController
+) : RecyclerViewPresenter<RoomMember>(context), AutocompleteClickListener<RoomMember> {
+
+    private val room = session.getRoom(roomId)!!
+
+    init {
+        controller.listener = this
+    }
+
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): AutocompleteMemberPresenter
+    }
+
+    override fun instantiateAdapter(): RecyclerView.Adapter<*> {
+        // Also remove animation
+        recyclerView?.itemAnimator = null
+        return controller.adapter
+    }
+
+    override fun onItemClick(t: RoomMember) {
+        dispatchClick(t)
+    }
+
+    override fun onQuery(query: CharSequence?) {
+        val queryParams = roomMemberQueryParams {
+            displayName = if (query.isNullOrBlank()) {
+                QueryStringValue.IsNotEmpty
+            } else {
+                QueryStringValue.Contains(query.toString(), QueryStringValue.Case.INSENSITIVE)
+            }
+            memberships = listOf(Membership.JOIN)
+        }
+        val members = room.getRoomMembers(queryParams)
+                .asSequence()
+                .sortedBy { it.displayName }
+        controller.setData(members.toList())
+    }
+}

vector/src/main/java/im/vector/riotx/features/autocomplete/room/AutocompleteRoomController.kt

@@ -24,12 +24,10 @@ import im.vector.riotx.features.autocomplete.autocompleteMatrixItem
 import im.vector.riotx.features.home.AvatarRenderer
 import javax.inject.Inject
 
-class AutocompleteRoomController @Inject constructor() : TypedEpoxyController<List<RoomSummary>>() {
+class AutocompleteRoomController @Inject constructor(private val avatarRenderer: AvatarRenderer) : TypedEpoxyController<List<RoomSummary>>() {
 
     var listener: AutocompleteClickListener<RoomSummary>? = null
 
-    @Inject lateinit var avatarRenderer: AvatarRenderer
-
     override fun buildModels(data: List<RoomSummary>?) {
         if (data.isNullOrEmpty()) {
             return

vector/src/main/java/im/vector/riotx/features/autocomplete/room/AutocompleteRoomPresenter.kt

@@ -18,19 +18,19 @@ package im.vector.riotx.features.autocomplete.room
 
 import android.content.Context
 import androidx.recyclerview.widget.RecyclerView
-import com.airbnb.mvrx.Async
-import com.airbnb.mvrx.Success
 import com.otaliastudios.autocomplete.RecyclerViewPresenter
+import im.vector.matrix.android.api.query.QueryStringValue
+import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.room.model.RoomSummary
+import im.vector.matrix.android.api.session.room.roomSummaryQueryParams
 import im.vector.riotx.features.autocomplete.AutocompleteClickListener
 import javax.inject.Inject
 
 class AutocompleteRoomPresenter @Inject constructor(context: Context,
-                                                    private val controller: AutocompleteRoomController
+                                                    private val controller: AutocompleteRoomController,
+                                                    private val session: Session
 ) : RecyclerViewPresenter<RoomSummary>(context), AutocompleteClickListener<RoomSummary> {
 
-    var callback: Callback? = null
-
     init {
         controller.listener = this
     }
@@ -46,16 +46,16 @@ class AutocompleteRoomPresenter @Inject constructor(context: Context,
     }
 
     override fun onQuery(query: CharSequence?) {
-        callback?.onQueryRooms(query)
-    }
-
-    fun render(rooms: Async<List<RoomSummary>>) {
-        if (rooms is Success) {
-            controller.setData(rooms())
+        val queryParams = roomSummaryQueryParams {
+            canonicalAlias = if (query.isNullOrBlank()) {
+                QueryStringValue.IsNotNull
+            } else {
+                QueryStringValue.Contains(query.toString(), QueryStringValue.Case.INSENSITIVE)
+            }
         }
-    }
-
-    interface Callback {
-        fun onQueryRooms(query: CharSequence?)
+        val rooms = session.getRoomSummaries(queryParams)
+                .asSequence()
+                .sortedBy { it.displayName }
+        controller.setData(rooms.toList())
     }
 }

vector/src/main/java/im/vector/riotx/features/autocomplete/user/AutocompleteUserPresenter.kt

@@ -1,61 +0,0 @@
-/*
- * 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.riotx.features.autocomplete.user
-
-import android.content.Context
-import androidx.recyclerview.widget.RecyclerView
-import com.airbnb.mvrx.Async
-import com.airbnb.mvrx.Success
-import com.otaliastudios.autocomplete.RecyclerViewPresenter
-import im.vector.matrix.android.api.session.user.model.User
-import im.vector.riotx.features.autocomplete.AutocompleteClickListener
-import javax.inject.Inject
-
-class AutocompleteUserPresenter @Inject constructor(context: Context,
-                                                    private val controller: AutocompleteUserController
-) : RecyclerViewPresenter<User>(context), AutocompleteClickListener<User> {
-
-    var callback: Callback? = null
-
-    init {
-        controller.listener = this
-    }
-
-    override fun instantiateAdapter(): RecyclerView.Adapter<*> {
-        // Also remove animation
-        recyclerView?.itemAnimator = null
-        return controller.adapter
-    }
-
-    override fun onItemClick(t: User) {
-        dispatchClick(t)
-    }
-
-    override fun onQuery(query: CharSequence?) {
-        callback?.onQueryUsers(query)
-    }
-
-    fun render(users: Async<List<User>>) {
-        if (users is Success) {
-            controller.setData(users())
-        }
-    }
-
-    interface Callback {
-        fun onQueryUsers(query: CharSequence?)
-    }
-}

vector/src/main/java/im/vector/riotx/features/home/AvatarRenderer.kt

@@ -71,6 +71,14 @@ class AvatarRenderer @Inject constructor(private val activeSessionHolder: Active
                 .into(target)
     }
 
+    @AnyThread
+    fun getCachedDrawable(glideRequest: GlideRequests, matrixItem: MatrixItem): Drawable {
+        return buildGlideRequest(glideRequest, matrixItem.avatarUrl)
+                .onlyRetrieveFromCache(true)
+                .submit()
+                .get()
+    }
+
     @AnyThread
     fun getPlaceholderDrawable(context: Context, matrixItem: MatrixItem): Drawable {
         val avatarColor = when (matrixItem) {

vector/src/main/java/im/vector/riotx/features/home/HomeDetailFragment.kt

@@ -66,6 +66,11 @@ class HomeDetailFragment @Inject constructor(
         setupToolbar()
         setupKeysBackupBanner()
 
+        withState(viewModel) {
+            // Update the navigation view if needed (for when we restore the tabs)
+            bottomNavigationView.selectedItemId = it.displayMode.toMenuId()
+        }
+
         viewModel.selectSubscribe(this, HomeDetailViewState::groupSummary) { groupSummary ->
             onGroupChange(groupSummary.orNull())
         }
@@ -127,7 +132,6 @@ class HomeDetailFragment @Inject constructor(
     private fun setupBottomNavigationView() {
         bottomNavigationView.setOnNavigationItemSelectedListener {
             val displayMode = when (it.itemId) {
-                R.id.bottom_action_home   -> RoomListDisplayMode.HOME
                 R.id.bottom_action_people -> RoomListDisplayMode.PEOPLE
                 R.id.bottom_action_rooms  -> RoomListDisplayMode.ROOMS
                 else                      -> RoomListDisplayMode.HOME
@@ -149,12 +153,6 @@ class HomeDetailFragment @Inject constructor(
     private fun switchDisplayMode(displayMode: RoomListDisplayMode) {
         groupToolbarTitleView.setText(displayMode.titleRes)
         updateSelectedFragment(displayMode)
-        // Update the navigation view (for when we restore the tabs)
-        bottomNavigationView.selectedItemId = when (displayMode) {
-            RoomListDisplayMode.PEOPLE -> R.id.bottom_action_people
-            RoomListDisplayMode.ROOMS  -> R.id.bottom_action_rooms
-            else                       -> R.id.bottom_action_home
-        }
     }
 
     private fun updateSelectedFragment(displayMode: RoomListDisplayMode) {
@@ -194,4 +192,10 @@ class HomeDetailFragment @Inject constructor(
         unreadCounterBadgeViews[INDEX_ROOMS].render(UnreadCounterBadgeView.State(it.notificationCountRooms, it.notificationHighlightRooms))
         syncStateView.render(it.syncState)
     }
+
+    private fun RoomListDisplayMode.toMenuId() = when (this) {
+        RoomListDisplayMode.PEOPLE -> R.id.bottom_action_people
+        RoomListDisplayMode.ROOMS  -> R.id.bottom_action_rooms
+        else                       -> R.id.bottom_action_home
+    }
 }

vector/src/main/java/im/vector/riotx/features/home/HomeDrawerFragment.kt

@@ -40,7 +40,7 @@ class HomeDrawerFragment @Inject constructor(
         if (savedInstanceState == null) {
             replaceChildFragment(R.id.homeDrawerGroupListContainer, GroupListFragment::class.java)
         }
-        session.liveUser(session.myUserId).observeK(this) { optionalUser ->
+        session.getUserLive(session.myUserId).observeK(viewLifecycleOwner) { optionalUser ->
             val user = optionalUser?.getOrNull()
             if (user != null) {
                 avatarRenderer.render(user.toMatrixItem(), homeDrawerHeaderAvatarView)

vector/src/main/java/im/vector/riotx/features/home/group/GroupListViewModel.kt

@@ -24,7 +24,9 @@ import com.airbnb.mvrx.MvRxViewModelFactory
 import com.airbnb.mvrx.ViewModelContext
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
+import im.vector.matrix.android.api.query.QueryStringValue
 import im.vector.matrix.android.api.session.Session
+import im.vector.matrix.android.api.session.group.groupSummaryQueryParams
 import im.vector.matrix.android.api.session.group.model.GroupSummary
 import im.vector.matrix.android.api.session.room.model.Membership
 import im.vector.matrix.rx.rx
@@ -96,6 +98,10 @@ class GroupListViewModel @AssistedInject constructor(@Assisted initialState: Gro
     }
 
     private fun observeGroupSummaries() {
+        val groupSummariesQueryParams = groupSummaryQueryParams {
+            memberships = listOf(Membership.JOIN)
+            displayName = QueryStringValue.IsNotEmpty
+        }
         Observable.combineLatest<GroupSummary, List<GroupSummary>, List<GroupSummary>>(
                 session
                         .rx()
@@ -109,9 +115,7 @@ class GroupListViewModel @AssistedInject constructor(@Assisted initialState: Gro
                         },
                 session
                         .rx()
-                        .liveGroupSummaries()
-                        // Keep only joined groups. Group invitations will be managed later
-                        .map { it.filter { groupSummary -> groupSummary.membership == Membership.JOIN } },
+                        .liveGroupSummaries(groupSummariesQueryParams),
                 BiFunction { allCommunityGroup, communityGroups ->
                     listOf(allCommunityGroup) + communityGroups
                 }

vector/src/main/java/im/vector/riotx/features/home/room/detail/AutoCompleter.kt

@@ -24,9 +24,11 @@ import android.widget.EditText
 import com.otaliastudios.autocomplete.Autocomplete
 import com.otaliastudios.autocomplete.AutocompleteCallback
 import com.otaliastudios.autocomplete.CharPolicy
+import com.squareup.inject.assisted.Assisted
+import com.squareup.inject.assisted.AssistedInject
 import im.vector.matrix.android.api.session.group.model.GroupSummary
+import im.vector.matrix.android.api.session.room.model.RoomMember
 import im.vector.matrix.android.api.session.room.model.RoomSummary
-import im.vector.matrix.android.api.session.user.model.User
 import im.vector.matrix.android.api.util.MatrixItem
 import im.vector.matrix.android.api.util.toMatrixItem
 import im.vector.matrix.android.api.util.toRoomAliasMatrixItem
@@ -36,24 +38,29 @@ import im.vector.riotx.features.autocomplete.command.AutocompleteCommandPresente
 import im.vector.riotx.features.autocomplete.command.CommandAutocompletePolicy
 import im.vector.riotx.features.autocomplete.emoji.AutocompleteEmojiPresenter
 import im.vector.riotx.features.autocomplete.group.AutocompleteGroupPresenter
+import im.vector.riotx.features.autocomplete.member.AutocompleteMemberPresenter
 import im.vector.riotx.features.autocomplete.room.AutocompleteRoomPresenter
-import im.vector.riotx.features.autocomplete.user.AutocompleteUserPresenter
 import im.vector.riotx.features.command.Command
 import im.vector.riotx.features.home.AvatarRenderer
-import im.vector.riotx.features.home.room.detail.composer.TextComposerViewState
 import im.vector.riotx.features.html.PillImageSpan
 import im.vector.riotx.features.themes.ThemeUtils
-import javax.inject.Inject
 
-class AutoCompleter @Inject constructor(
+class AutoCompleter @AssistedInject constructor(
+        @Assisted val roomId: String,
         private val avatarRenderer: AvatarRenderer,
         private val commandAutocompletePolicy: CommandAutocompletePolicy,
         private val autocompleteCommandPresenter: AutocompleteCommandPresenter,
-        private val autocompleteUserPresenter: AutocompleteUserPresenter,
+        private val autocompleteMemberPresenterFactory: AutocompleteMemberPresenter.Factory,
         private val autocompleteRoomPresenter: AutocompleteRoomPresenter,
         private val autocompleteGroupPresenter: AutocompleteGroupPresenter,
         private val autocompleteEmojiPresenter: AutocompleteEmojiPresenter
 ) {
+
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): AutoCompleter
+    }
+
     private lateinit var editText: EditText
 
     fun enterSpecialMode() {
@@ -68,22 +75,14 @@ class AutoCompleter @Inject constructor(
         GlideApp.with(editText)
     }
 
-    fun setup(editText: EditText, listener: AutoCompleterListener) {
+    fun setup(editText: EditText) {
         this.editText = editText
-
         val backgroundDrawable = ColorDrawable(ThemeUtils.getColor(editText.context, R.attr.riotx_background))
-
         setupCommands(backgroundDrawable, editText)
-        setupUsers(backgroundDrawable, editText, listener)
-        setupRooms(backgroundDrawable, editText, listener)
-        setupGroups(backgroundDrawable, editText, listener)
+        setupMembers(backgroundDrawable, editText)
+        setupGroups(backgroundDrawable, editText)
         setupEmojis(backgroundDrawable, editText)
-    }
-
-    fun render(state: TextComposerViewState) {
-        autocompleteUserPresenter.render(state.asyncUsers)
-        autocompleteRoomPresenter.render(state.asyncRooms)
-        autocompleteGroupPresenter.render(state.asyncGroups)
+        setupRooms(backgroundDrawable, editText)
     }
 
     private fun setupCommands(backgroundDrawable: Drawable, editText: EditText) {
@@ -107,15 +106,15 @@ class AutoCompleter @Inject constructor(
                 .build()
     }
 
-    private fun setupUsers(backgroundDrawable: ColorDrawable, editText: EditText, listener: AutocompleteUserPresenter.Callback) {
-        autocompleteUserPresenter.callback = listener
-        Autocomplete.on<User>(editText)
+    private fun setupMembers(backgroundDrawable: ColorDrawable, editText: EditText) {
+        val autocompleteMemberPresenter = autocompleteMemberPresenterFactory.create(roomId)
+        Autocomplete.on<RoomMember>(editText)
                 .with(CharPolicy('@', true))
-                .with(autocompleteUserPresenter)
+                .with(autocompleteMemberPresenter)
                 .with(ELEVATION)
                 .with(backgroundDrawable)
-                .with(object : AutocompleteCallback<User> {
-                    override fun onPopupItemClicked(editable: Editable, item: User): Boolean {
+                .with(object : AutocompleteCallback<RoomMember> {
+                    override fun onPopupItemClicked(editable: Editable, item: RoomMember): Boolean {
                         insertMatrixItem(editText, editable, "@", item.toMatrixItem())
                         return true
                     }
@@ -126,8 +125,7 @@ class AutoCompleter @Inject constructor(
                 .build()
     }
 
-    private fun setupRooms(backgroundDrawable: ColorDrawable, editText: EditText, listener: AutocompleteRoomPresenter.Callback) {
-        autocompleteRoomPresenter.callback = listener
+    private fun setupRooms(backgroundDrawable: ColorDrawable, editText: EditText) {
         Autocomplete.on<RoomSummary>(editText)
                 .with(CharPolicy('#', true))
                 .with(autocompleteRoomPresenter)
@@ -145,8 +143,7 @@ class AutoCompleter @Inject constructor(
                 .build()
     }
 
-    private fun setupGroups(backgroundDrawable: ColorDrawable, editText: EditText, listener: AutocompleteGroupPresenter.Callback) {
-        autocompleteGroupPresenter.callback = listener
+    private fun setupGroups(backgroundDrawable: ColorDrawable, editText: EditText) {
         Autocomplete.on<GroupSummary>(editText)
                 .with(CharPolicy('+', true))
                 .with(autocompleteGroupPresenter)
@@ -226,11 +223,6 @@ class AutoCompleter @Inject constructor(
         editable.setSpan(span, startIndex, startIndex + displayName.length, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
     }
 
-    interface AutoCompleterListener :
-            AutocompleteUserPresenter.Callback,
-            AutocompleteRoomPresenter.Callback,
-            AutocompleteGroupPresenter.Callback
-
     companion object {
         private const val ELEVATION = 6f
     }

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

@@ -78,10 +78,7 @@ import im.vector.riotx.features.attachments.ContactAttachment
 import im.vector.riotx.features.command.Command
 import im.vector.riotx.features.home.AvatarRenderer
 import im.vector.riotx.features.home.getColorFromUserId
-import im.vector.riotx.features.home.room.detail.composer.TextComposerAction
 import im.vector.riotx.features.home.room.detail.composer.TextComposerView
-import im.vector.riotx.features.home.room.detail.composer.TextComposerViewModel
-import im.vector.riotx.features.home.room.detail.composer.TextComposerViewState
 import im.vector.riotx.features.home.room.detail.readreceipts.DisplayReadReceiptsBottomSheet
 import im.vector.riotx.features.home.room.detail.timeline.TimelineEventController
 import im.vector.riotx.features.home.room.detail.timeline.action.EventSharedAction
@@ -127,17 +124,15 @@ class RoomDetailFragment @Inject constructor(
         private val session: Session,
         private val avatarRenderer: AvatarRenderer,
         private val timelineEventController: TimelineEventController,
-        private val autoCompleter: AutoCompleter,
+        autoCompleterFactory: AutoCompleter.Factory,
         private val permalinkHandler: PermalinkHandler,
         private val notificationDrawerManager: NotificationDrawerManager,
         val roomDetailViewModelFactory: RoomDetailViewModel.Factory,
-        val textComposerViewModelFactory: TextComposerViewModel.Factory,
         private val eventHtmlRenderer: EventHtmlRenderer,
         private val vectorPreferences: VectorPreferences
 ) :
         VectorBaseFragment(),
         TimelineEventController.Callback,
-        AutoCompleter.AutoCompleterListener,
         VectorInviteView.Callback,
         JumpToReadMarkerView.Callback,
         AttachmentTypeSelectorView.Callback,
@@ -167,9 +162,10 @@ class RoomDetailFragment @Inject constructor(
         GlideApp.with(this)
     }
 
+    private val autoCompleter: AutoCompleter by lazy {
+        autoCompleterFactory.create(roomDetailArgs.roomId)
+    }
     private val roomDetailViewModel: RoomDetailViewModel by fragmentViewModel()
-    private val textComposerViewModel: TextComposerViewModel by fragmentViewModel()
-
     private val debouncer = Debouncer(createUIHandler())
 
     private lateinit var scrollOnNewMessageCallback: ScrollOnNewMessageCallback
@@ -205,9 +201,9 @@ class RoomDetailFragment @Inject constructor(
         setupNotificationView()
         setupJumpToReadMarkerView()
         setupJumpToBottomView()
+
         roomDetailViewModel.subscribe { renderState(it) }
-        textComposerViewModel.subscribe { renderTextComposerState(it) }
-        roomDetailViewModel.sendMessageResultLiveData.observeEvent(this) { renderSendMessageResult(it) }
+        roomDetailViewModel.sendMessageResultLiveData.observeEvent(viewLifecycleOwner) { renderSendMessageResult(it) }
 
         roomDetailViewModel.nonBlockingPopAlert.observeEvent(this) { pair ->
             val message = requireContext().getString(pair.first, *pair.second.toTypedArray())
@@ -250,9 +246,9 @@ class RoomDetailFragment @Inject constructor(
         roomDetailViewModel.selectSubscribe(RoomDetailViewState::sendMode) { mode ->
             when (mode) {
                 is SendMode.REGULAR -> renderRegularMode(mode.text)
-                is SendMode.EDIT    -> renderSpecialMode(mode.timelineEvent, R.drawable.ic_edit, R.string.edit, mode.text)
-                is SendMode.QUOTE   -> renderSpecialMode(mode.timelineEvent, R.drawable.ic_quote, R.string.quote, mode.text)
-                is SendMode.REPLY   -> renderSpecialMode(mode.timelineEvent, R.drawable.ic_reply, R.string.reply, mode.text)
+                is SendMode.EDIT -> renderSpecialMode(mode.timelineEvent, R.drawable.ic_edit, R.string.edit, mode.text)
+                is SendMode.QUOTE -> renderSpecialMode(mode.timelineEvent, R.drawable.ic_quote, R.string.quote, mode.text)
+                is SendMode.REPLY -> renderSpecialMode(mode.timelineEvent, R.drawable.ic_reply, R.string.reply, mode.text)
             }
         }
 
@@ -279,9 +275,9 @@ class RoomDetailFragment @Inject constructor(
         super.onActivityCreated(savedInstanceState)
         if (savedInstanceState == null) {
             when (val sharedData = roomDetailArgs.sharedData) {
-                is SharedData.Text        -> roomDetailViewModel.handle(RoomDetailAction.SendMessage(sharedData.text, false))
+                is SharedData.Text -> roomDetailViewModel.handle(RoomDetailAction.SendMessage(sharedData.text, false))
                 is SharedData.Attachments -> roomDetailViewModel.handle(RoomDetailAction.SendMedia(sharedData.attachmentData))
-                null                      -> Timber.v("No share data to process")
+                null -> Timber.v("No share data to process")
             }
         }
     }
@@ -305,12 +301,10 @@ class RoomDetailFragment @Inject constructor(
         jumpToBottomView.setOnClickListener {
             roomDetailViewModel.handle(RoomDetailAction.ExitTrackingUnreadMessagesState)
             jumpToBottomView.visibility = View.INVISIBLE
-            withState(roomDetailViewModel) { state ->
-                if (state.timeline?.isLive == false) {
-                    state.timeline.restartWithEventId(null)
-                } else {
-                    layoutManager.scrollToPosition(0)
-                }
+            if (!roomDetailViewModel.timeline.isLive) {
+                roomDetailViewModel.timeline.restartWithEventId(null)
+            } else {
+                layoutManager.scrollToPosition(0)
             }
         }
 
@@ -418,7 +412,8 @@ class RoomDetailFragment @Inject constructor(
         composerLayout.sendButton.setContentDescription(getString(descriptionRes))
 
         avatarRenderer.render(
-                MatrixItem.UserItem(event.root.senderId ?: "", event.getDisambiguatedDisplayName(), event.senderAvatar),
+                MatrixItem.UserItem(event.root.senderId
+                        ?: "", event.getDisambiguatedDisplayName(), event.senderAvatar),
                 composerLayout.composerRelatedMessageAvatar
         )
         composerLayout.expand {
@@ -468,6 +463,9 @@ class RoomDetailFragment @Inject constructor(
 // PRIVATE METHODS *****************************************************************************
 
     private fun setupRecyclerView() {
+        timelineEventController.callback = this
+        timelineEventController.timeline = roomDetailViewModel.timeline
+
         val epoxyVisibilityTracker = EpoxyVisibilityTracker()
         epoxyVisibilityTracker.attach(recyclerView)
         layoutManager = LinearLayoutManager(context, RecyclerView.VERTICAL, true)
@@ -487,8 +485,6 @@ class RoomDetailFragment @Inject constructor(
         timelineEventController.addModelBuildListener(modelBuildListener)
         recyclerView.adapter = timelineEventController.adapter
 
-        timelineEventController.callback = this
-
         if (vectorPreferences.swipeToReplyIsEnabled()) {
             val quickReplyHandler = object : RoomMessageTouchHelperCallback.QuickReplayHandler {
                 override fun performQuickReplyOnHolder(model: EpoxyModel<*>) {
@@ -505,7 +501,7 @@ class RoomDetailFragment @Inject constructor(
                         is MessageTextItem -> {
                             return (model as AbsMessageItem).attributes.informationData.sendState == SendState.SYNCED
                         }
-                        else               -> false
+                        else -> false
                     }
                 }
             }
@@ -520,9 +516,9 @@ class RoomDetailFragment @Inject constructor(
             withState(roomDetailViewModel) {
                 val showJumpToUnreadBanner = when (it.unreadState) {
                     UnreadState.Unknown,
-                    UnreadState.HasNoUnread            -> false
+                    UnreadState.HasNoUnread -> false
                     is UnreadState.ReadMarkerNotLoaded -> true
-                    is UnreadState.HasUnread           -> {
+                    is UnreadState.HasUnread -> {
                         if (it.canShowJumpToReadMarker) {
                             val lastVisibleItem = layoutManager.findLastVisibleItemPosition()
                             val positionOfReadMarker = timelineEventController.getPositionOfReadMarker()
@@ -536,14 +532,13 @@ class RoomDetailFragment @Inject constructor(
                         }
                     }
                 }
-                jumpToReadMarkerView.isVisible = showJumpToUnreadBanner
+                jumpToReadMarkerView?.isVisible = showJumpToUnreadBanner
             }
         }
     }
 
     private fun setupComposer() {
-        autoCompleter.setup(composerLayout.composerEditText, this)
-
+        autoCompleter.setup(composerLayout.composerEditText)
         composerLayout.callback = object : TextComposerView.Callback {
             override fun onAddAttachment() {
                 if (!::attachmentTypeSelector.isInitialized) {
@@ -598,7 +593,7 @@ class RoomDetailFragment @Inject constructor(
         val summary = state.asyncRoomSummary()
         val inviter = state.asyncInviter()
         if (summary?.membership == Membership.JOIN) {
-            scrollOnHighlightedEventCallback.timeline = state.timeline
+            scrollOnHighlightedEventCallback.timeline = roomDetailViewModel.timeline
             timelineEventController.update(state)
             inviteView.visibility = View.GONE
             val uid = session.myUserId
@@ -613,9 +608,10 @@ class RoomDetailFragment @Inject constructor(
         } else if (state.asyncInviter.complete) {
             vectorBaseActivity.finish()
         }
+        val isRoomEncrypted = summary?.isEncrypted ?: false
         if (state.tombstoneEvent == null) {
             composerLayout.visibility = View.VISIBLE
-            composerLayout.setRoomEncrypted(state.isEncrypted)
+            composerLayout.setRoomEncrypted(isRoomEncrypted)
             notificationAreaView.render(NotificationAreaView.State.Hidden)
         } else {
             composerLayout.visibility = View.GONE
@@ -638,10 +634,6 @@ class RoomDetailFragment @Inject constructor(
         }
     }
 
-    private fun renderTextComposerState(state: TextComposerViewState) {
-        autoCompleter.render(state)
-    }
-
     private fun renderTombstoneEventHandling(async: Async<String>) {
         when (async) {
             is Loading -> {
@@ -654,7 +646,7 @@ class RoomDetailFragment @Inject constructor(
                 navigator.openRoom(vectorBaseActivity, async())
                 vectorBaseActivity.finish()
             }
-            is Fail    -> {
+            is Fail -> {
                 vectorBaseActivity.hideWaitingView()
                 vectorBaseActivity.toast(errorFormatter.toHumanReadable(async.error))
             }
@@ -663,23 +655,23 @@ class RoomDetailFragment @Inject constructor(
 
     private fun renderSendMessageResult(sendMessageResult: SendMessageResult) {
         when (sendMessageResult) {
-            is SendMessageResult.MessageSent                -> {
+            is SendMessageResult.MessageSent -> {
                 updateComposerText("")
             }
-            is SendMessageResult.SlashCommandHandled        -> {
+            is SendMessageResult.SlashCommandHandled -> {
                 sendMessageResult.messageRes?.let { showSnackWithMessage(getString(it)) }
                 updateComposerText("")
             }
-            is SendMessageResult.SlashCommandError          -> {
+            is SendMessageResult.SlashCommandError -> {
                 displayCommandError(getString(R.string.command_problem_with_parameters, sendMessageResult.command.command))
             }
-            is SendMessageResult.SlashCommandUnknown        -> {
+            is SendMessageResult.SlashCommandUnknown -> {
                 displayCommandError(getString(R.string.unrecognized_command, sendMessageResult.command))
             }
-            is SendMessageResult.SlashCommandResultOk       -> {
+            is SendMessageResult.SlashCommandResultOk -> {
                 updateComposerText("")
             }
-            is SendMessageResult.SlashCommandResultError    -> {
+            is SendMessageResult.SlashCommandResultError -> {
                 displayCommandError(sendMessageResult.throwable.localizedMessage)
             }
             is SendMessageResult.SlashCommandNotImplemented -> {
@@ -717,7 +709,7 @@ class RoomDetailFragment @Inject constructor(
 
     private fun displayRoomDetailActionResult(result: Async<RoomDetailAction>) {
         when (result) {
-            is Fail    -> {
+            is Fail -> {
                 AlertDialog.Builder(requireActivity())
                         .setTitle(R.string.dialog_title_error)
                         .setMessage(errorFormatter.toHumanReadable(result.error))
@@ -728,7 +720,7 @@ class RoomDetailFragment @Inject constructor(
                 when (val data = result.invoke()) {
                     is RoomDetailAction.ReportContent -> {
                         when {
-                            data.spam          -> {
+                            data.spam -> {
                                 AlertDialog.Builder(requireActivity())
                                         .setTitle(R.string.content_reported_as_spam_title)
                                         .setMessage(R.string.content_reported_as_spam_content)
@@ -750,7 +742,7 @@ class RoomDetailFragment @Inject constructor(
                                         .show()
                                         .withColoredButton(DialogInterface.BUTTON_NEGATIVE)
                             }
-                            else               -> {
+                            else -> {
                                 AlertDialog.Builder(requireActivity())
                                         .setTitle(R.string.content_reported_title)
                                         .setMessage(R.string.content_reported_content)
@@ -863,14 +855,14 @@ class RoomDetailFragment @Inject constructor(
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
         if (allGranted(grantResults)) {
             when (requestCode) {
-                PERMISSION_REQUEST_CODE_DOWNLOAD_FILE   -> {
+                PERMISSION_REQUEST_CODE_DOWNLOAD_FILE -> {
                     val action = roomDetailViewModel.pendingAction
                     if (action != null) {
                         roomDetailViewModel.pendingAction = null
                         roomDetailViewModel.handle(action)
                     }
                 }
-                PERMISSION_REQUEST_CODE_INCOMING_URI    -> {
+                PERMISSION_REQUEST_CODE_INCOMING_URI -> {
                     val pendingUri = roomDetailViewModel.pendingUri
                     if (pendingUri != null) {
                         roomDetailViewModel.pendingUri = null
@@ -966,43 +958,25 @@ class RoomDetailFragment @Inject constructor(
         roomDetailViewModel.handle(RoomDetailAction.EnterTrackingUnreadMessagesState)
     }
 
-    // AutocompleteUserPresenter.Callback
-
-    override fun onQueryUsers(query: CharSequence?) {
-        textComposerViewModel.handle(TextComposerAction.QueryUsers(query))
-    }
-
-    // AutocompleteRoomPresenter.Callback
-
-    override fun onQueryRooms(query: CharSequence?) {
-        textComposerViewModel.handle(TextComposerAction.QueryRooms(query))
-    }
-
-    // AutocompleteGroupPresenter.Callback
-
-    override fun onQueryGroups(query: CharSequence?) {
-        textComposerViewModel.handle(TextComposerAction.QueryGroups(query))
-    }
-
     private fun handleActions(action: EventSharedAction) {
         when (action) {
-            is EventSharedAction.AddReaction                -> {
+            is EventSharedAction.AddReaction -> {
                 startActivityForResult(EmojiReactionPickerActivity.intent(requireContext(), action.eventId), REACTION_SELECT_REQUEST_CODE)
             }
-            is EventSharedAction.ViewReactions              -> {
+            is EventSharedAction.ViewReactions -> {
                 ViewReactionsBottomSheet.newInstance(roomDetailArgs.roomId, action.messageInformationData)
                         .show(requireActivity().supportFragmentManager, "DISPLAY_REACTIONS")
             }
-            is EventSharedAction.Copy                       -> {
+            is EventSharedAction.Copy -> {
                 // I need info about the current selected message :/
                 copyToClipboard(requireContext(), action.content, false)
                 val msg = requireContext().getString(R.string.copied_to_clipboard)
                 showSnackWithMessage(msg, Snackbar.LENGTH_SHORT)
             }
-            is EventSharedAction.Delete                     -> {
+            is EventSharedAction.Delete -> {
                 roomDetailViewModel.handle(RoomDetailAction.RedactAction(action.eventId, context?.getString(R.string.event_redacted_by_user_reason)))
             }
-            is EventSharedAction.Share                      -> {
+            is EventSharedAction.Share -> {
                 // TODO current data communication is too limited
                 // Need to now the media type
                 // TODO bad, just POC
@@ -1030,10 +1004,10 @@ class RoomDetailFragment @Inject constructor(
                         }
                 )
             }
-            is EventSharedAction.ViewEditHistory            -> {
+            is EventSharedAction.ViewEditHistory -> {
                 onEditedDecorationClicked(action.messageInformationData)
             }
-            is EventSharedAction.ViewSource                 -> {
+            is EventSharedAction.ViewSource -> {
                 val view = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_event_content, null)
                 view.findViewById<TextView>(R.id.event_content_text_view)?.let {
                     it.text = action.content
@@ -1044,7 +1018,7 @@ class RoomDetailFragment @Inject constructor(
                         .setPositiveButton(R.string.ok, null)
                         .show()
             }
-            is EventSharedAction.ViewDecryptedSource        -> {
+            is EventSharedAction.ViewDecryptedSource -> {
                 val view = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_event_content, null)
                 view.findViewById<TextView>(R.id.event_content_text_view)?.let {
                     it.text = action.content
@@ -1055,31 +1029,31 @@ class RoomDetailFragment @Inject constructor(
                         .setPositiveButton(R.string.ok, null)
                         .show()
             }
-            is EventSharedAction.QuickReact                 -> {
+            is EventSharedAction.QuickReact -> {
                 // eventId,ClickedOn,Add
                 roomDetailViewModel.handle(RoomDetailAction.UpdateQuickReactAction(action.eventId, action.clickedOn, action.add))
             }
-            is EventSharedAction.Edit                       -> {
+            is EventSharedAction.Edit -> {
                 roomDetailViewModel.handle(RoomDetailAction.EnterEditMode(action.eventId, composerLayout.text.toString()))
             }
-            is EventSharedAction.Quote                      -> {
+            is EventSharedAction.Quote -> {
                 roomDetailViewModel.handle(RoomDetailAction.EnterQuoteMode(action.eventId, composerLayout.text.toString()))
             }
-            is EventSharedAction.Reply                      -> {
+            is EventSharedAction.Reply -> {
                 roomDetailViewModel.handle(RoomDetailAction.EnterReplyMode(action.eventId, composerLayout.text.toString()))
             }
-            is EventSharedAction.CopyPermalink              -> {
+            is EventSharedAction.CopyPermalink -> {
                 val permalink = PermalinkFactory.createPermalink(roomDetailArgs.roomId, action.eventId)
                 copyToClipboard(requireContext(), permalink, false)
                 showSnackWithMessage(requireContext().getString(R.string.copied_to_clipboard), Snackbar.LENGTH_SHORT)
             }
-            is EventSharedAction.Resend                     -> {
+            is EventSharedAction.Resend -> {
                 roomDetailViewModel.handle(RoomDetailAction.ResendMessage(action.eventId))
             }
-            is EventSharedAction.Remove                     -> {
+            is EventSharedAction.Remove -> {
                 roomDetailViewModel.handle(RoomDetailAction.RemoveFailedEcho(action.eventId))
             }
-            is EventSharedAction.ReportContentSpam          -> {
+            is EventSharedAction.ReportContentSpam -> {
                 roomDetailViewModel.handle(RoomDetailAction.ReportContent(
                         action.eventId, action.senderId, "This message is spam", spam = true))
             }
@@ -1087,19 +1061,19 @@ class RoomDetailFragment @Inject constructor(
                 roomDetailViewModel.handle(RoomDetailAction.ReportContent(
                         action.eventId, action.senderId, "This message is inappropriate", inappropriate = true))
             }
-            is EventSharedAction.ReportContentCustom        -> {
+            is EventSharedAction.ReportContentCustom -> {
                 promptReasonToReportContent(action)
             }
-            is EventSharedAction.IgnoreUser                 -> {
+            is EventSharedAction.IgnoreUser -> {
                 roomDetailViewModel.handle(RoomDetailAction.IgnoreUser(action.senderId))
             }
-            is EventSharedAction.OnUrlClicked               -> {
+            is EventSharedAction.OnUrlClicked -> {
                 onUrlClicked(action.url)
             }
-            is EventSharedAction.OnUrlLongClicked           -> {
+            is EventSharedAction.OnUrlLongClicked -> {
                 onUrlLongClicked(action.url)
             }
-            else                                            -> {
+            else -> {
                 Toast.makeText(context, "Action $action is not implemented yet", Toast.LENGTH_LONG).show()
             }
         }
@@ -1207,10 +1181,10 @@ class RoomDetailFragment @Inject constructor(
 
     private fun launchAttachmentProcess(type: AttachmentTypeSelectorView.Type) {
         when (type) {
-            AttachmentTypeSelectorView.Type.CAMERA  -> attachmentsHelper.openCamera()
-            AttachmentTypeSelectorView.Type.FILE    -> attachmentsHelper.selectFile()
+            AttachmentTypeSelectorView.Type.CAMERA -> attachmentsHelper.openCamera()
+            AttachmentTypeSelectorView.Type.FILE -> attachmentsHelper.selectFile()
             AttachmentTypeSelectorView.Type.GALLERY -> attachmentsHelper.selectGallery()
-            AttachmentTypeSelectorView.Type.AUDIO   -> attachmentsHelper.selectAudio()
+            AttachmentTypeSelectorView.Type.AUDIO -> attachmentsHelper.selectAudio()
             AttachmentTypeSelectorView.Type.CONTACT -> attachmentsHelper.selectContact()
             AttachmentTypeSelectorView.Type.STICKER -> vectorBaseActivity.notImplemented("Adding stickers")
         }

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

@@ -20,14 +20,18 @@ import android.net.Uri
 import androidx.annotation.IdRes
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
-import com.airbnb.mvrx.*
+import com.airbnb.mvrx.Async
+import com.airbnb.mvrx.Fail
+import com.airbnb.mvrx.FragmentViewModelContext
+import com.airbnb.mvrx.MvRxViewModelFactory
+import com.airbnb.mvrx.Success
+import com.airbnb.mvrx.ViewModelContext
 import com.jakewharton.rxrelay2.BehaviorRelay
 import com.jakewharton.rxrelay2.PublishRelay
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
 import im.vector.matrix.android.api.MatrixCallback
 import im.vector.matrix.android.api.MatrixPatterns
-import im.vector.matrix.android.api.failure.Failure
 import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.events.model.isImageMessage
@@ -89,20 +93,21 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
     private val visibleEventsObservable = BehaviorRelay.create<RoomDetailAction.TimelineEventTurnsVisible>()
     private val timelineSettings = if (userPreferencesProvider.shouldShowHiddenEvents()) {
         TimelineSettings(30,
-                filterEdits = false,
-                filterTypes = true,
-                allowedTypes = TimelineDisplayableEvents.DEBUG_DISPLAYABLE_TYPES,
-                buildReadReceipts = userPreferencesProvider.shouldShowReadReceipts())
+                         filterEdits = false,
+                         filterTypes = true,
+                         allowedTypes = TimelineDisplayableEvents.DEBUG_DISPLAYABLE_TYPES,
+                         buildReadReceipts = userPreferencesProvider.shouldShowReadReceipts())
     } else {
         TimelineSettings(30,
-                filterEdits = true,
-                filterTypes = true,
-                allowedTypes = TimelineDisplayableEvents.DISPLAYABLE_TYPES,
-                buildReadReceipts = userPreferencesProvider.shouldShowReadReceipts())
+                         filterEdits = true,
+                         filterTypes = true,
+                         allowedTypes = TimelineDisplayableEvents.DISPLAYABLE_TYPES,
+                         buildReadReceipts = userPreferencesProvider.shouldShowReadReceipts())
     }
 
     private var timelineEvents = PublishRelay.create<List<TimelineEvent>>()
-    private var timeline = room.createTimeline(eventId, timelineSettings)
+    var timeline = room.createTimeline(eventId, timelineSettings)
+        private set
 
     private val _viewEvents = PublishDataSource<RoomDetailViewEvents>()
     val viewEvents: DataSource<RoomDetailViewEvents> = _viewEvents
@@ -138,18 +143,17 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
     }
 
     init {
+        timeline.start()
+        timeline.addListener(this)
+        observeRoomSummary()
+        observeSummaryState()
         getUnreadState()
         observeSyncState()
-        observeRoomSummary()
         observeEventDisplayedActions()
-        observeSummaryState()
         observeDrafts()
         observeUnreadState()
+        room.getRoomSummaryLive()
         room.rx().loadRoomMembersIfNeeded().subscribeLogError().disposeOnClear()
-        timeline.addListener(this)
-        timeline.start()
-        setState { copy(timeline = this@RoomDetailViewModel.timeline) }
-
         // Inform the SDK that the room is displayed
         session.onRoomDisplayed(initialState.roomId)
     }
@@ -233,23 +237,23 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
                         copy(
                                 // Create a sendMode from a draft and retrieve the TimelineEvent
                                 sendMode = when (draft) {
-                                    is UserDraft.REGULAR -> SendMode.REGULAR(draft.text)
-                                    is UserDraft.QUOTE   -> {
-                                        room.getTimeLineEvent(draft.linkedEventId)?.let { timelineEvent ->
-                                            SendMode.QUOTE(timelineEvent, draft.text)
-                                        }
-                                    }
-                                    is UserDraft.REPLY   -> {
-                                        room.getTimeLineEvent(draft.linkedEventId)?.let { timelineEvent ->
-                                            SendMode.REPLY(timelineEvent, draft.text)
-                                        }
-                                    }
-                                    is UserDraft.EDIT    -> {
-                                        room.getTimeLineEvent(draft.linkedEventId)?.let { timelineEvent ->
-                                            SendMode.EDIT(timelineEvent, draft.text)
-                                        }
-                                    }
-                                } ?: SendMode.REGULAR("")
+                                               is UserDraft.REGULAR -> SendMode.REGULAR(draft.text)
+                                               is UserDraft.QUOTE   -> {
+                                                   room.getTimeLineEvent(draft.linkedEventId)?.let { timelineEvent ->
+                                                       SendMode.QUOTE(timelineEvent, draft.text)
+                                                   }
+                                               }
+                                               is UserDraft.REPLY   -> {
+                                                   room.getTimeLineEvent(draft.linkedEventId)?.let { timelineEvent ->
+                                                       SendMode.REPLY(timelineEvent, draft.text)
+                                                   }
+                                               }
+                                               is UserDraft.EDIT    -> {
+                                                   room.getTimeLineEvent(draft.linkedEventId)?.let { timelineEvent ->
+                                                       SendMode.EDIT(timelineEvent, draft.text)
+                                                   }
+                                               }
+                                           } ?: SendMode.REGULAR("")
                         )
                     }
                 }
@@ -258,7 +262,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
 
     private fun handleTombstoneEvent(action: RoomDetailAction.HandleTombstoneEvent) {
         val tombstoneContent = action.event.getClearContent().toModel<RoomTombstoneContent>()
-                ?: return
+                               ?: return
 
         val roomId = tombstoneContent.replacementRoom ?: ""
         val isRoomJoined = session.getRoom(roomId)?.roomSummary()?.membership == Membership.JOIN
@@ -310,7 +314,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
         else                     -> false
     }
 
-    // PRIVATE METHODS *****************************************************************************
+// PRIVATE METHODS *****************************************************************************
 
     private fun handleSendMessage(action: RoomDetailAction.SendMessage) {
         withState { state ->
@@ -396,7 +400,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
                 is SendMode.EDIT    -> {
                     // is original event a reply?
                     val inReplyTo = state.sendMode.timelineEvent.root.getClearContent().toModel<MessageContent>()?.relatesTo?.inReplyTo?.eventId
-                            ?: state.sendMode.timelineEvent.root.content.toModel<EncryptedEventContent>()?.relatesTo?.inReplyTo?.eventId
+                                    ?: state.sendMode.timelineEvent.root.content.toModel<EncryptedEventContent>()?.relatesTo?.inReplyTo?.eventId
                     if (inReplyTo != null) {
                         // TODO check if same content?
                         room.getTimeLineEvent(inReplyTo)?.let {
@@ -405,13 +409,13 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
                     } else {
                         val messageContent: MessageContent? =
                                 state.sendMode.timelineEvent.annotations?.editSummary?.aggregatedContent.toModel()
-                                        ?: state.sendMode.timelineEvent.root.getClearContent().toModel()
+                                ?: state.sendMode.timelineEvent.root.getClearContent().toModel()
                         val existingBody = messageContent?.body ?: ""
                         if (existingBody != action.text) {
                             room.editTextMessage(state.sendMode.timelineEvent.root.eventId ?: "",
-                                    messageContent?.type ?: MessageType.MSGTYPE_TEXT,
-                                    action.text,
-                                    action.autoMarkdown)
+                                                 messageContent?.type ?: MessageType.MSGTYPE_TEXT,
+                                                 action.text,
+                                                 action.autoMarkdown)
                         } else {
                             Timber.w("Same message content, do not send edition")
                         }
@@ -422,7 +426,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
                 is SendMode.QUOTE   -> {
                     val messageContent: MessageContent? =
                             state.sendMode.timelineEvent.annotations?.editSummary?.aggregatedContent.toModel()
-                                    ?: state.sendMode.timelineEvent.root.getClearContent().toModel()
+                            ?: state.sendMode.timelineEvent.root.getClearContent().toModel()
                     val textMsg = messageContent?.body
 
                     val finalText = legacyRiotQuoteText(textMsg, action.text.toString())
@@ -538,7 +542,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
             when (val tooBigFile = attachments.find { it.size > maxUploadFileSize }) {
                 null -> room.sendMedias(attachments)
                 else -> _fileTooBigEvent.postValue(LiveEvent(FileTooBigError(tooBigFile.name
-                        ?: tooBigFile.path, tooBigFile.size, maxUploadFileSize)))
+                                                                             ?: tooBigFile.path, tooBigFile.size, maxUploadFileSize)))
             }
         }
     }
@@ -728,7 +732,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
                 .filter { it.isNotEmpty() }
                 .subscribeBy(onNext = { actions ->
                     val bufferedMostRecentDisplayedEvent = actions.maxBy { it.event.displayIndex }?.event
-                            ?: return@subscribeBy
+                                                           ?: return@subscribeBy
                     val globalMostRecentDisplayedEvent = mostRecentDisplayedEvent
                     if (trackUnreadMessages.get()) {
                         if (globalMostRecentDisplayedEvent == null) {
@@ -791,10 +795,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
         room.rx().liveRoomSummary()
                 .unwrap()
                 .execute { async ->
-                    copy(
-                            asyncRoomSummary = async,
-                            isEncrypted = room.isEncrypted()
-                    )
+                    copy(asyncRoomSummary = async)
                 }
     }
 
@@ -880,7 +881,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
 
     override fun onCleared() {
         timeline.dispose()
-        timeline.removeListener(this)
+        timeline.removeAllListeners()
         super.onCleared()
     }
 }

vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailViewState.kt

@@ -21,7 +21,6 @@ import com.airbnb.mvrx.MvRxState
 import com.airbnb.mvrx.Uninitialized
 import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.android.api.session.room.model.RoomSummary
-import im.vector.matrix.android.api.session.room.timeline.Timeline
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.api.session.sync.SyncState
 import im.vector.matrix.android.api.session.user.model.User
@@ -51,11 +50,9 @@ sealed class UnreadState {
 data class RoomDetailViewState(
         val roomId: String,
         val eventId: String?,
-        val timeline: Timeline? = null,
         val asyncInviter: Async<User> = Uninitialized,
         val asyncRoomSummary: Async<RoomSummary> = Uninitialized,
         val sendMode: SendMode = SendMode.REGULAR(""),
-        val isEncrypted: Boolean = false,
         val tombstoneEvent: Event? = null,
         val tombstoneEventHandling: Async<String> = Uninitialized,
         val syncState: SyncState = SyncState.Idle,

vector/src/main/java/im/vector/riotx/features/home/room/detail/composer/TextComposerViewModel.kt

@@ -1,158 +0,0 @@
-/*
- * 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.riotx.features.home.room.detail.composer
-
-import arrow.core.Option
-import com.airbnb.mvrx.FragmentViewModelContext
-import com.airbnb.mvrx.MvRxViewModelFactory
-import com.airbnb.mvrx.ViewModelContext
-import com.jakewharton.rxrelay2.BehaviorRelay
-import com.squareup.inject.assisted.Assisted
-import com.squareup.inject.assisted.AssistedInject
-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.user.model.User
-import im.vector.matrix.rx.rx
-import im.vector.riotx.core.platform.VectorViewModel
-import im.vector.riotx.features.home.room.detail.RoomDetailFragment
-import io.reactivex.Observable
-import io.reactivex.functions.BiFunction
-import java.util.concurrent.TimeUnit
-
-typealias AutocompleteQuery = CharSequence
-
-class TextComposerViewModel @AssistedInject constructor(@Assisted initialState: TextComposerViewState,
-                                                        private val session: Session
-) : VectorViewModel<TextComposerViewState, TextComposerAction>(initialState) {
-
-    private val room = session.getRoom(initialState.roomId)!!
-
-    private val usersQueryObservable = BehaviorRelay.create<Option<AutocompleteQuery>>()
-    private val roomsQueryObservable = BehaviorRelay.create<Option<AutocompleteQuery>>()
-    private val groupsQueryObservable = BehaviorRelay.create<Option<AutocompleteQuery>>()
-
-    @AssistedInject.Factory
-    interface Factory {
-        fun create(initialState: TextComposerViewState): TextComposerViewModel
-    }
-
-    companion object : MvRxViewModelFactory<TextComposerViewModel, TextComposerViewState> {
-
-        @JvmStatic
-        override fun create(viewModelContext: ViewModelContext, state: TextComposerViewState): TextComposerViewModel? {
-            val fragment: RoomDetailFragment = (viewModelContext as FragmentViewModelContext).fragment()
-            return fragment.textComposerViewModelFactory.create(state)
-        }
-    }
-
-    init {
-        observeUsersQuery()
-        observeRoomsQuery()
-        observeGroupsQuery()
-    }
-
-    override fun handle(action: TextComposerAction) {
-        when (action) {
-            is TextComposerAction.QueryUsers  -> handleQueryUsers(action)
-            is TextComposerAction.QueryRooms  -> handleQueryRooms(action)
-            is TextComposerAction.QueryGroups -> handleQueryGroups(action)
-        }
-    }
-
-    private fun handleQueryUsers(action: TextComposerAction.QueryUsers) {
-        val query = Option.fromNullable(action.query)
-        usersQueryObservable.accept(query)
-    }
-
-    private fun handleQueryRooms(action: TextComposerAction.QueryRooms) {
-        val query = Option.fromNullable(action.query)
-        roomsQueryObservable.accept(query)
-    }
-
-    private fun handleQueryGroups(action: TextComposerAction.QueryGroups) {
-        val query = Option.fromNullable(action.query)
-        groupsQueryObservable.accept(query)
-    }
-
-    private fun observeUsersQuery() {
-        Observable.combineLatest<List<String>, Option<AutocompleteQuery>, List<User>>(
-                room.rx().liveRoomMemberIds(),
-                usersQueryObservable.throttleLast(300, TimeUnit.MILLISECONDS),
-                BiFunction { roomMemberIds, query ->
-                    val users = roomMemberIds.mapNotNull { session.getUser(it) }
-
-                    val filter = query.orNull()
-                    if (filter.isNullOrBlank()) {
-                        users
-                    } else {
-                        users.filter {
-                            it.displayName?.contains(filter, ignoreCase = true) ?: false
-                        }
-                    }
-                            .sortedBy { it.displayName }
-                }
-        ).execute { async ->
-            copy(
-                    asyncUsers = async
-            )
-        }
-    }
-
-    private fun observeRoomsQuery() {
-        Observable.combineLatest<List<RoomSummary>, Option<AutocompleteQuery>, List<RoomSummary>>(
-                session.rx().liveRoomSummaries(),
-                roomsQueryObservable.throttleLast(300, TimeUnit.MILLISECONDS),
-                BiFunction { roomSummaries, query ->
-                    val filter = query.orNull() ?: ""
-                    // Keep only room with a canonical alias
-                    roomSummaries
-                            .filter {
-                                it.canonicalAlias?.contains(filter, ignoreCase = true) == true
-                            }
-                            .sortedBy { it.displayName }
-                }
-        ).execute { async ->
-            copy(
-                    asyncRooms = async
-            )
-        }
-    }
-
-    private fun observeGroupsQuery() {
-        Observable.combineLatest<List<GroupSummary>, Option<AutocompleteQuery>, List<GroupSummary>>(
-                session.rx().liveGroupSummaries(),
-                groupsQueryObservable.throttleLast(300, TimeUnit.MILLISECONDS),
-                BiFunction { groupSummaries, query ->
-                    val filter = query.orNull()
-                    if (filter.isNullOrBlank()) {
-                        groupSummaries
-                    } else {
-                        groupSummaries
-                                .filter {
-                                    it.groupId.contains(filter, ignoreCase = true)
-                                }
-                    }
-                            .sortedBy { it.displayName }
-                }
-        ).execute { async ->
-            copy(
-                    asyncGroups = async
-            )
-        }
-    }
-}

vector/src/main/java/im/vector/riotx/features/home/room/detail/composer/TextComposerViewState.kt

@@ -1,34 +0,0 @@
-/*
- * 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.riotx.features.home.room.detail.composer
-
-import com.airbnb.mvrx.Async
-import com.airbnb.mvrx.MvRxState
-import com.airbnb.mvrx.Uninitialized
-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.user.model.User
-import im.vector.riotx.features.home.room.detail.RoomDetailArgs
-
-data class TextComposerViewState(val roomId: String,
-                                 val asyncUsers: Async<List<User>> = Uninitialized,
-                                 val asyncRooms: Async<List<RoomSummary>> = Uninitialized,
-                                 val asyncGroups: Async<List<GroupSummary>> = Uninitialized
-) : MvRxState {
-
-    constructor(args: RoomDetailArgs) : this(roomId = args.roomId)
-}

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

@@ -95,12 +95,12 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
     private val modelCache = arrayListOf<CacheItemData?>()
     private var currentSnapshot: List<TimelineEvent> = emptyList()
     private var inSubmitList: Boolean = false
-    private var timeline: Timeline? = null
     private var unreadState: UnreadState = UnreadState.Unknown
     private var positionOfReadMarker: Int? = null
     private var eventIdToHighlight: String? = null
 
     var callback: Callback? = null
+    var timeline: Timeline? = null
 
     private val listUpdateCallback = object : ListUpdateCallback {
 
@@ -176,10 +176,6 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
     }
 
     fun update(viewState: RoomDetailViewState) {
-        if (timeline?.timelineID != viewState.timeline?.timelineID) {
-            timeline = viewState.timeline
-            timeline?.addListener(this)
-        }
         var requestModelBuild = false
         if (eventIdToHighlight != viewState.highlightedEventId) {
             // Clear cache to force a refresh
@@ -205,6 +201,7 @@ class TimelineEventController @Inject constructor(private val dateFormatter: Vec
 
     override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
         super.onAttachedToRecyclerView(recyclerView)
+        timeline?.addListener(this)
         timelineMediaSizeProvider.recyclerView = recyclerView
     }
 

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/action/MessageActionsEpoxyController.kt

@@ -93,7 +93,7 @@ class MessageActionsEpoxyController @Inject constructor(private val stringProvid
         }
 
         // Action
-        state.actions()?.forEachIndexed { index, action ->
+        state.actions.forEachIndexed { index, action ->
             if (action is EventSharedAction.Separator) {
                 bottomSheetSeparatorItem {
                     id("separator_$index")

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/action/MessageActionsViewModel.kt

@@ -31,8 +31,7 @@ import im.vector.matrix.android.api.session.room.send.SendState
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.api.session.room.timeline.getLastMessageContent
 import im.vector.matrix.android.api.session.room.timeline.hasBeenEdited
-import im.vector.matrix.android.api.util.Optional
-import im.vector.matrix.rx.RxRoom
+import im.vector.matrix.rx.rx
 import im.vector.matrix.rx.unwrap
 import im.vector.riotx.R
 import im.vector.riotx.core.extensions.canReact
@@ -42,8 +41,8 @@ import im.vector.riotx.features.home.room.detail.timeline.format.NoticeEventForm
 import im.vector.riotx.features.home.room.detail.timeline.item.MessageInformationData
 import im.vector.riotx.features.html.EventHtmlRenderer
 import im.vector.riotx.features.html.VectorHtmlCompressor
-import im.vector.riotx.features.settings.VectorPreferences
 import im.vector.riotx.features.reactions.data.EmojiDataSource
+import im.vector.riotx.features.settings.VectorPreferences
 import java.text.SimpleDateFormat
 import java.util.*
 
@@ -64,7 +63,7 @@ data class MessageActionState(
         // For quick reactions
         val quickStates: Async<List<ToggleState>> = Uninitialized,
         // For actions
-        val actions: Async<List<EventSharedAction>> = Uninitialized,
+        val actions: List<EventSharedAction> = emptyList(),
         val expendedReportContentMenu: Boolean = false
 ) : MvRxState {
 
@@ -112,7 +111,7 @@ class MessageActionsViewModel @AssistedInject constructor(@Assisted
     init {
         observeEvent()
         observeReactions()
-        observeEventAction()
+        observeTimelineEventState()
     }
 
     override fun handle(action: MessageActionsAction) {
@@ -131,32 +130,17 @@ class MessageActionsViewModel @AssistedInject constructor(@Assisted
 
     private fun observeEvent() {
         if (room == null) return
-        RxRoom(room)
+        room.rx()
                 .liveTimelineEvent(eventId)
                 .unwrap()
                 .execute {
-                    copy(
-                            timelineEvent = it,
-                            messageBody = computeMessageBody(it)
-                    )
-                }
-    }
-
-    private fun observeEventAction() {
-        if (room == null) return
-        RxRoom(room)
-                .liveTimelineEvent(eventId)
-                .map {
-                    actionsForEvent(it)
-                }
-                .execute {
-                    copy(actions = it)
+                    copy(timelineEvent = it)
                 }
     }
 
     private fun observeReactions() {
         if (room == null) return
-        RxRoom(room)
+        room.rx()
                 .liveAnnotationSummary(eventId)
                 .map { annotations ->
                     EmojiDataSource.quickEmojis.map { emoji ->
@@ -168,11 +152,19 @@ class MessageActionsViewModel @AssistedInject constructor(@Assisted
                 }
     }
 
-    private fun computeMessageBody(timelineEvent: Async<TimelineEvent>): CharSequence? {
-        return when (timelineEvent()?.root?.getClearType()) {
+    private fun observeTimelineEventState() {
+        asyncSubscribe(MessageActionState::timelineEvent) { timelineEvent ->
+            val computedMessage = computeMessageBody(timelineEvent)
+            val actions = actionsForEvent(timelineEvent)
+            setState { copy(messageBody = computedMessage, actions = actions) }
+        }
+    }
+
+    private fun computeMessageBody(timelineEvent: TimelineEvent): CharSequence? {
+        return when (timelineEvent.root.getClearType()) {
             EventType.MESSAGE,
             EventType.STICKER     -> {
-                val messageContent: MessageContent? = timelineEvent()?.getLastMessageContent()
+                val messageContent: MessageContent? = timelineEvent.getLastMessageContent()
                 if (messageContent is MessageTextContent && messageContent.format == MessageType.FORMAT_MATRIX_HTML) {
                     val html = messageContent.formattedBody
                             ?.takeIf { it.isNotBlank() }
@@ -193,41 +185,39 @@ class MessageActionsViewModel @AssistedInject constructor(@Assisted
             EventType.CALL_INVITE,
             EventType.CALL_HANGUP,
             EventType.CALL_ANSWER -> {
-                timelineEvent()?.let { noticeEventFormatter.format(it) }
+                noticeEventFormatter.format(timelineEvent)
             }
             else                  -> null
         }
     }
 
-    private fun actionsForEvent(optionalEvent: Optional<TimelineEvent>): List<EventSharedAction> {
-        val event = optionalEvent.getOrNull() ?: return emptyList()
-
-        val messageContent: MessageContent? = event.annotations?.editSummary?.aggregatedContent.toModel()
-                ?: event.root.getClearContent().toModel()
+    private fun actionsForEvent(timelineEvent: TimelineEvent): List<EventSharedAction> {
+        val messageContent: MessageContent? = timelineEvent.annotations?.editSummary?.aggregatedContent.toModel()
+                ?: timelineEvent.root.getClearContent().toModel()
         val type = messageContent?.type
 
         return arrayListOf<EventSharedAction>().apply {
-            if (event.root.sendState.hasFailed()) {
-                if (canRetry(event)) {
+            if (timelineEvent.root.sendState.hasFailed()) {
+                if (canRetry(timelineEvent)) {
                     add(EventSharedAction.Resend(eventId))
                 }
                 add(EventSharedAction.Remove(eventId))
-            } else if (event.root.sendState.isSending()) {
+            } else if (timelineEvent.root.sendState.isSending()) {
                 // TODO is uploading attachment?
-                if (canCancel(event)) {
+                if (canCancel(timelineEvent)) {
                     add(EventSharedAction.Cancel(eventId))
                 }
-            } else if (event.root.sendState == SendState.SYNCED) {
-                if (!event.root.isRedacted()) {
-                    if (canReply(event, messageContent)) {
+            } else if (timelineEvent.root.sendState == SendState.SYNCED) {
+                if (!timelineEvent.root.isRedacted()) {
+                    if (canReply(timelineEvent, messageContent)) {
                         add(EventSharedAction.Reply(eventId))
                     }
 
-                    if (canEdit(event, session.myUserId)) {
+                    if (canEdit(timelineEvent, session.myUserId)) {
                         add(EventSharedAction.Edit(eventId))
                     }
 
-                    if (canRedact(event, session.myUserId)) {
+                    if (canRedact(timelineEvent, session.myUserId)) {
                         add(EventSharedAction.Delete(eventId))
                     }
 
@@ -236,19 +226,19 @@ class MessageActionsViewModel @AssistedInject constructor(@Assisted
                         add(EventSharedAction.Copy(messageContent!!.body))
                     }
 
-                    if (event.canReact()) {
+                    if (timelineEvent.canReact()) {
                         add(EventSharedAction.AddReaction(eventId))
                     }
 
-                    if (canQuote(event, messageContent)) {
+                    if (canQuote(timelineEvent, messageContent)) {
                         add(EventSharedAction.Quote(eventId))
                     }
 
-                    if (canViewReactions(event)) {
+                    if (canViewReactions(timelineEvent)) {
                         add(EventSharedAction.ViewReactions(informationData))
                     }
 
-                    if (event.hasBeenEdited()) {
+                    if (timelineEvent.hasBeenEdited()) {
                         add(EventSharedAction.ViewEditHistory(informationData))
                     }
 
@@ -261,7 +251,7 @@ class MessageActionsViewModel @AssistedInject constructor(@Assisted
                         // TODO
                     }
 
-                    if (event.root.sendState == SendState.SENT) {
+                    if (timelineEvent.root.sendState == SendState.SENT) {
                         // TODO Can be redacted
 
                         // TODO sent by me or sufficient power level
@@ -269,24 +259,22 @@ class MessageActionsViewModel @AssistedInject constructor(@Assisted
                 }
 
                 if (vectorPreferences.developerMode()) {
-                    add(EventSharedAction.ViewSource(event.root.toContentStringWithIndent()))
-                    if (event.isEncrypted()) {
-                        val decryptedContent = event.root.toClearContentStringWithIndent()
+                    add(EventSharedAction.ViewSource(timelineEvent.root.toContentStringWithIndent()))
+                    if (timelineEvent.isEncrypted()) {
+                        val decryptedContent = timelineEvent.root.toClearContentStringWithIndent()
                                 ?: stringProvider.getString(R.string.encryption_information_decryption_error)
                         add(EventSharedAction.ViewDecryptedSource(decryptedContent))
                     }
                 }
-
                 add(EventSharedAction.CopyPermalink(eventId))
-
-                if (session.myUserId != event.root.senderId) {
+                if (session.myUserId != timelineEvent.root.senderId) {
                     // not sent by me
-                    if (event.root.getClearType() == EventType.MESSAGE) {
-                        add(EventSharedAction.ReportContent(eventId, event.root.senderId))
+                    if (timelineEvent.root.getClearType() == EventType.MESSAGE) {
+                        add(EventSharedAction.ReportContent(eventId, timelineEvent.root.senderId))
                     }
 
                     add(EventSharedAction.Separator)
-                    add(EventSharedAction.IgnoreUser(event.root.senderId))
+                    add(EventSharedAction.IgnoreUser(timelineEvent.root.senderId))
                 }
             }
         }

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/format/NoticeEventFormatter.kt

@@ -128,8 +128,8 @@ class NoticeEventFormatter @Inject constructor(private val sessionHolder: Active
     }
 
     private fun formatRoomMemberEvent(event: Event, senderName: String?): String? {
-        val eventContent: RoomMember? = event.getClearContent().toModel()
-        val prevEventContent: RoomMember? = event.prevContent.toModel()
+        val eventContent: RoomMemberContent? = event.getClearContent().toModel()
+        val prevEventContent: RoomMemberContent? = event.prevContent.toModel()
         val isMembershipEvent = prevEventContent?.membership != eventContent?.membership
         return if (isMembershipEvent) {
             buildMembershipNotice(event, senderName, eventContent, prevEventContent)
@@ -166,7 +166,7 @@ class NoticeEventFormatter @Inject constructor(private val sessionHolder: Active
                 ?: sp.getString(R.string.notice_room_canonical_alias_unset, senderName)
     }
 
-    private fun buildProfileNotice(event: Event, senderName: String?, eventContent: RoomMember?, prevEventContent: RoomMember?): String {
+    private fun buildProfileNotice(event: Event, senderName: String?, eventContent: RoomMemberContent?, prevEventContent: RoomMemberContent?): String {
         val displayText = StringBuilder()
         // Check display name has been changed
         if (eventContent?.displayName != prevEventContent?.displayName) {
@@ -198,7 +198,7 @@ class NoticeEventFormatter @Inject constructor(private val sessionHolder: Active
         return displayText.toString()
     }
 
-    private fun buildMembershipNotice(event: Event, senderName: String?, eventContent: RoomMember?, prevEventContent: RoomMember?): String? {
+    private fun buildMembershipNotice(event: Event, senderName: String?, eventContent: RoomMemberContent?, prevEventContent: RoomMemberContent?): String? {
         val senderDisplayName = senderName ?: event.senderId ?: ""
         val targetDisplayName = eventContent?.displayName ?: prevEventContent?.displayName ?: event.stateKey ?: ""
         return when (eventContent?.membership) {

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/item/MessageTextItem.kt

@@ -49,7 +49,7 @@ abstract class MessageTextItem : AbsMessageItem<MessageTextItem.Holder>() {
         holder.messageView.setOnClickListener(attributes.itemClickListener)
         holder.messageView.setOnLongClickListener(attributes.itemLongClickListener)
         if (searchForPills) {
-            message?.findPillsAndProcess { it.bind(holder.messageView) }
+            message?.findPillsAndProcess(coroutineScope) { it.bind(holder.messageView) }
         }
         val textFuture = PrecomputedTextCompat.getTextFuture(
                 message ?: "",

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/tools/EventRenderingTools.kt

@@ -25,14 +25,11 @@ import im.vector.riotx.core.linkify.VectorLinkify
 import im.vector.riotx.core.utils.isValidUrl
 import im.vector.riotx.features.home.room.detail.timeline.TimelineEventController
 import im.vector.riotx.features.html.PillImageSpan
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
+import kotlinx.coroutines.*
 import me.saket.bettermovementmethod.BetterLinkMovementMethod
 
-fun CharSequence.findPillsAndProcess(processBlock: (PillImageSpan) -> Unit) {
-    GlobalScope.launch(Dispatchers.Main) {
+fun CharSequence.findPillsAndProcess(scope: CoroutineScope, processBlock: (PillImageSpan) -> Unit) {
+    scope.launch(Dispatchers.Main) {
         withContext(Dispatchers.IO) {
             toSpannable().let { spannable ->
                 spannable.getSpans(0, spannable.length, PillImageSpan::class.java)

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

@@ -59,7 +59,8 @@ data class RoomListParams(
 class RoomListFragment @Inject constructor(
         private val roomController: RoomSummaryController,
         val roomListViewModelFactory: RoomListViewModel.Factory,
-        private val notificationDrawerManager: NotificationDrawerManager
+        private val notificationDrawerManager: NotificationDrawerManager,
+        private val sharedViewPool: RecyclerView.RecycledViewPool
 
 ) : VectorBaseFragment(), RoomSummaryController.Listener, OnBackPressed, FabMenuView.Listener {
 
@@ -95,7 +96,6 @@ class RoomListFragment @Inject constructor(
         setupCreateRoomButton()
         setupRecyclerView()
         sharedActionViewModel = activityViewModelProvider.get(RoomListQuickActionsSharedActionViewModel::class.java)
-
         roomListViewModel.subscribe { renderState(it) }
         roomListViewModel.viewEvents
                 .observe()
@@ -193,6 +193,8 @@ class RoomListFragment @Inject constructor(
         val stateRestorer = LayoutManagerStateRestorer(layoutManager).register()
         roomListView.layoutManager = layoutManager
         roomListView.itemAnimator = RoomListAnimator()
+        roomListView.setRecycledViewPool(sharedViewPool)
+        layoutManager.recycleChildrenOnDetach = true
         roomController.listener = this
         modelBuildListener = OnModelBuildFinishedListener { it.dispatchTo(stateRestorer) }
         roomController.addModelBuildListener(modelBuildListener)

vector/src/main/java/im/vector/riotx/features/home/room/list/actions/RoomListQuickActionsBottomSheet.kt

@@ -46,6 +46,7 @@ data class RoomListActionsArgs(
 class RoomListQuickActionsBottomSheet : VectorBaseBottomSheetDialogFragment(), RoomListQuickActionsEpoxyController.Listener {
 
     private lateinit var sharedActionViewModel: RoomListQuickActionsSharedActionViewModel
+    @Inject lateinit var sharedViewPool: RecyclerView.RecycledViewPool
     @Inject lateinit var roomListActionsViewModelFactory: RoomListQuickActionsViewModel.Factory
     @Inject lateinit var roomListActionsEpoxyController: RoomListQuickActionsEpoxyController
     @Inject lateinit var navigator: Navigator
@@ -70,7 +71,7 @@ class RoomListQuickActionsBottomSheet : VectorBaseBottomSheetDialogFragment(), R
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
         sharedActionViewModel = activityViewModelProvider.get(RoomListQuickActionsSharedActionViewModel::class.java)
-        recyclerView.configureWith(roomListActionsEpoxyController, hasFixedSize = false)
+        recyclerView.configureWith(roomListActionsEpoxyController, viewPool = sharedViewPool, hasFixedSize = false)
         // Disable item animation
         recyclerView.itemAnimator = null
         roomListActionsEpoxyController.listener = this

vector/src/main/java/im/vector/riotx/features/html/PillImageSpan.kt

@@ -88,25 +88,27 @@ class PillImageSpan(private val glideRequests: GlideRequests,
     }
 
     internal fun updateAvatarDrawable(drawable: Drawable?) {
-        pillDrawable.apply {
-            chipIcon = drawable
-        }
-        tv?.get()?.apply {
-            invalidate()
-        }
+        pillDrawable.chipIcon = drawable
+        tv?.get()?.invalidate()
     }
 
     // Private methods *****************************************************************************
 
     private fun createChipDrawable(): ChipDrawable {
         val textPadding = context.resources.getDimension(R.dimen.pill_text_padding)
+        val icon = try {
+            avatarRenderer.getCachedDrawable(glideRequests, matrixItem)
+        } catch (exception: Exception) {
+            avatarRenderer.getPlaceholderDrawable(context, matrixItem)
+        }
+
         return ChipDrawable.createFromResource(context, R.xml.pill_view).apply {
             text = matrixItem.getBestName()
             textEndPadding = textPadding
             textStartPadding = textPadding
             setChipMinHeightResource(R.dimen.pill_min_height)
             setChipIconSizeResource(R.dimen.pill_avatar_size)
-            chipIcon = avatarRenderer.getPlaceholderDrawable(context, matrixItem)
+            chipIcon = icon
             setBounds(0, 0, intrinsicWidth, intrinsicHeight)
         }
     }

vector/src/main/java/im/vector/riotx/features/notifications/NotifiableEventResolver.kt

@@ -23,7 +23,7 @@ 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.Membership
-import im.vector.matrix.android.api.session.room.model.RoomMember
+import im.vector.matrix.android.api.session.room.model.RoomMemberContent
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.api.session.room.timeline.getEditedEventId
 import im.vector.matrix.android.api.session.room.timeline.getLastMessageBody
@@ -163,7 +163,7 @@ class NotifiableEventResolver @Inject constructor(private val stringProvider: St
     }
 
     private fun resolveStateRoomEvent(event: Event, session: Session): NotifiableEvent? {
-        val content = event.content?.toModel<RoomMember>() ?: return null
+        val content = event.content?.toModel<RoomMemberContent>() ?: return null
         val roomId = event.roomId ?: return null
         val dName = event.senderId?.let { session.getUser(it)?.displayName }
         if (Membership.INVITE == content.membership) {

vector/src/main/java/im/vector/riotx/features/reactions/data/EmojiDataSource.kt

@@ -18,10 +18,10 @@ package im.vector.riotx.features.reactions.data
 import android.content.res.Resources
 import com.squareup.moshi.Moshi
 import im.vector.riotx.R
-import im.vector.riotx.core.di.ScreenScope
 import javax.inject.Inject
+import javax.inject.Singleton
 
-@ScreenScope
+@Singleton
 class EmojiDataSource @Inject constructor(
         resources: Resources
 ) {
@@ -41,6 +41,7 @@ class EmojiDataSource @Inject constructor(
 
         // First add emojis with name matching query, sorted by name
         return (rawData.emojis.values
+                .asSequence()
                 .filter { emojiItem ->
                     emojiItem.name.contains(query, true)
                 }
@@ -55,6 +56,7 @@ class EmojiDataSource @Inject constructor(
                         .sortedBy { it.name })
                 // and ensure they will not be present twice
                 .distinct()
+                .toList()
     }
 
     fun getQuickReactions(): List<EmojiItem> {

vector/src/main/java/im/vector/riotx/features/roomdirectory/RoomDirectoryViewModel.kt

@@ -29,6 +29,7 @@ import im.vector.matrix.android.api.session.room.model.roomdirectory.PublicRooms
 import im.vector.matrix.android.api.session.room.model.roomdirectory.PublicRoomsParams
 import im.vector.matrix.android.api.session.room.model.roomdirectory.PublicRoomsResponse
 import im.vector.matrix.android.api.session.room.model.thirdparty.RoomDirectoryData
+import im.vector.matrix.android.api.session.room.roomSummaryQueryParams
 import im.vector.matrix.android.api.util.Cancelable
 import im.vector.matrix.rx.rx
 import im.vector.riotx.core.extensions.postLiveEvent
@@ -79,13 +80,14 @@ class RoomDirectoryViewModel @AssistedInject constructor(@Assisted initialState:
     }
 
     private fun observeJoinedRooms() {
+        val queryParams = roomSummaryQueryParams {
+            memberships = listOf(Membership.JOIN)
+        }
         session
                 .rx()
-                .liveRoomSummaries()
+                .liveRoomSummaries(queryParams)
                 .subscribe { list ->
                     val joinedRoomIds = list
-                            // Keep only joined room
-                            ?.filter { it.membership == Membership.JOIN }
                             ?.map { it.roomId }
                             ?.toSet()
                             ?: emptySet()
@@ -106,9 +108,9 @@ class RoomDirectoryViewModel @AssistedInject constructor(@Assisted initialState:
     override fun handle(action: RoomDirectoryAction) {
         when (action) {
             is RoomDirectoryAction.SetRoomDirectoryData -> setRoomDirectoryData(action)
-            is RoomDirectoryAction.FilterWith           -> filterWith(action)
-            RoomDirectoryAction.LoadMore                -> loadMore()
-            is RoomDirectoryAction.JoinRoom             -> joinRoom(action)
+            is RoomDirectoryAction.FilterWith -> filterWith(action)
+            RoomDirectoryAction.LoadMore -> loadMore()
+            is RoomDirectoryAction.JoinRoom -> joinRoom(action)
         }
     }