Dagger: use AssistedInjectModule for viewModel + use AssistedFactory for room dependencies

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

@@ -0,0 +1,24 @@
+/*
+ * 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.di
+
+import com.squareup.inject.assisted.dagger2.AssistedModule
+import dagger.Module
+
+@AssistedModule
+@Module(includes = [AssistedInject_SessionAssistedInjectModule::class])
+interface SessionAssistedInjectModule

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

@@ -22,6 +22,7 @@ import im.vector.matrix.android.api.auth.data.SessionParams
 import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.internal.crypto.CryptoModule
 import im.vector.matrix.android.internal.di.MatrixComponent
+import im.vector.matrix.android.internal.di.SessionAssistedInjectModule
 import im.vector.matrix.android.internal.network.NetworkConnectivityChecker
 import im.vector.matrix.android.internal.session.cache.CacheModule
 import im.vector.matrix.android.internal.session.content.ContentModule
@@ -59,7 +60,8 @@ import im.vector.matrix.android.internal.task.TaskExecutor
                CacheModule::class,
                CryptoModule::class,
                PushersModule::class,
-               AccountDataModule::class
+               AccountDataModule::class,
+               SessionAssistedInjectModule::class
            ]
 )
 @SessionScope

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

@@ -36,7 +36,9 @@ import im.vector.matrix.android.internal.di.Unauthenticated
 import im.vector.matrix.android.internal.network.AccessTokenInterceptor
 import im.vector.matrix.android.internal.network.RetrofitFactory
 import im.vector.matrix.android.internal.session.group.GroupSummaryUpdater
+import im.vector.matrix.android.internal.session.room.DefaultRoomFactory
 import im.vector.matrix.android.internal.session.room.EventRelationsAggregationUpdater
+import im.vector.matrix.android.internal.session.room.RoomFactory
 import im.vector.matrix.android.internal.session.room.create.RoomCreateEventLiveObserver
 import im.vector.matrix.android.internal.session.room.prune.EventsPruner
 import im.vector.matrix.android.internal.session.room.tombstone.RoomTombstoneEventLiveObserver
@@ -114,7 +116,6 @@ internal abstract class SessionModule {
         }
     }
 
-
     @Binds
     abstract fun bindSession(session: DefaultSession): Session
 

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

@@ -16,70 +16,46 @@
 
 package im.vector.matrix.android.internal.session.room
 
-import android.content.Context
 import com.zhuinden.monarchy.Monarchy
-import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.api.session.crypto.CryptoService
 import im.vector.matrix.android.api.session.room.Room
 import im.vector.matrix.android.internal.database.mapper.RoomSummaryMapper
 import im.vector.matrix.android.internal.session.room.membership.DefaultMembershipService
-import im.vector.matrix.android.internal.session.room.membership.LoadRoomMembersTask
-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.session.room.read.DefaultReadService
-import im.vector.matrix.android.internal.session.room.read.SetReadMarkersTask
 import im.vector.matrix.android.internal.session.room.relation.DefaultRelationService
-import im.vector.matrix.android.internal.session.room.relation.FetchEditHistoryTask
-import im.vector.matrix.android.internal.session.room.relation.FindReactionEventForUndoTask
 import im.vector.matrix.android.internal.session.room.send.DefaultSendService
-import im.vector.matrix.android.internal.session.room.send.LocalEchoEventFactory
 import im.vector.matrix.android.internal.session.room.state.DefaultStateService
-import im.vector.matrix.android.internal.session.room.state.SendStateTask
 import im.vector.matrix.android.internal.session.room.timeline.DefaultTimelineService
-import im.vector.matrix.android.internal.session.room.timeline.GetContextOfEventTask
-import im.vector.matrix.android.internal.session.room.timeline.PaginationTask
-import im.vector.matrix.android.internal.task.TaskExecutor
 import javax.inject.Inject
 
-internal class RoomFactory @Inject constructor(private val context: Context,
-                                               private val credentials: Credentials,
-                                               private val monarchy: Monarchy,
-                                               private val eventFactory: LocalEchoEventFactory,
-                                               private val roomSummaryMapper: RoomSummaryMapper,
-                                               private val taskExecutor: TaskExecutor,
-                                               private val loadRoomMembersTask: LoadRoomMembersTask,
-                                               private val inviteTask: InviteTask,
-                                               private val sendStateTask: SendStateTask,
-                                               private val paginationTask: PaginationTask,
-                                               private val contextOfEventTask: GetContextOfEventTask,
-                                               private val setReadMarkersTask: SetReadMarkersTask,
-                                               private val cryptoService: CryptoService,
-                                               private val findReactionEventForUndoTask: FindReactionEventForUndoTask,
-                                               private val fetchEditHistoryTask: FetchEditHistoryTask,
-                                               private val joinRoomTask: JoinRoomTask,
-                                               private val leaveRoomTask: LeaveRoomTask) {
 
-    fun create(roomId: String): Room {
+internal interface RoomFactory {
-        val timelineService = DefaultTimelineService(roomId, monarchy, taskExecutor, contextOfEventTask, cryptoService, paginationTask)
+    fun create(roomId: String): Room
-        val sendService = DefaultSendService(context, credentials, roomId, eventFactory, cryptoService, monarchy)
+}
-        val stateService = DefaultStateService(roomId, monarchy.realmConfiguration, taskExecutor, sendStateTask)
-        val roomMembersService = DefaultMembershipService(roomId, monarchy, taskExecutor, loadRoomMembersTask, inviteTask, joinRoomTask, leaveRoomTask)
-        val readService = DefaultReadService(roomId, monarchy, taskExecutor, setReadMarkersTask, credentials)
-        val relationService = DefaultRelationService(context,
-                credentials, roomId, eventFactory, cryptoService, findReactionEventForUndoTask, fetchEditHistoryTask, monarchy, taskExecutor)
 
+internal class DefaultRoomFactory @Inject constructor(private val monarchy: Monarchy,
+                                                      private val roomSummaryMapper: RoomSummaryMapper,
+                                                      private val cryptoService: CryptoService,
+                                                      private val timelineServiceFactory: DefaultTimelineService.Factory,
+                                                      private val sendServiceFactory: DefaultSendService.Factory,
+                                                      private val stateServiceFactory: DefaultStateService.Factory,
+                                                      private val readServiceFactory: DefaultReadService.Factory,
+                                                      private val relationServiceFactory: DefaultRelationService.Factory,
+                                                      private val membershipServiceFactory: DefaultMembershipService.Factory) :
+        RoomFactory {
+
+    override fun create(roomId: String): Room {
         return DefaultRoom(
                 roomId,
                 monarchy,
                 roomSummaryMapper,
-                timelineService,
+                timelineServiceFactory.create(roomId),
-                sendService,
+                sendServiceFactory.create(roomId),
-                stateService,
+                stateServiceFactory.create(roomId),
-                readService,
+                readServiceFactory.create(roomId),
                 cryptoService,
-                relationService,
+                relationServiceFactory.create(roomId),
-                roomMembersService
+                membershipServiceFactory.create(roomId)
         )
     }
 

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

@@ -22,12 +22,6 @@ import dagger.Provides
 import im.vector.matrix.android.api.session.file.FileService
 import im.vector.matrix.android.api.session.room.RoomDirectoryService
 import im.vector.matrix.android.api.session.room.RoomService
-import im.vector.matrix.android.api.session.room.members.MembershipService
-import im.vector.matrix.android.api.session.room.model.relation.RelationService
-import im.vector.matrix.android.api.session.room.read.ReadService
-import im.vector.matrix.android.api.session.room.send.SendService
-import im.vector.matrix.android.api.session.room.state.StateService
-import im.vector.matrix.android.api.session.room.timeline.TimelineService
 import im.vector.matrix.android.internal.session.DefaultFileService
 import im.vector.matrix.android.internal.session.SessionScope
 import im.vector.matrix.android.internal.session.room.create.CreateRoomTask
@@ -37,7 +31,6 @@ import im.vector.matrix.android.internal.session.room.directory.DefaultGetThirdP
 import im.vector.matrix.android.internal.session.room.directory.GetPublicRoomTask
 import im.vector.matrix.android.internal.session.room.directory.GetThirdPartyProtocolsTask
 import im.vector.matrix.android.internal.session.room.membership.DefaultLoadRoomMembersTask
-import im.vector.matrix.android.internal.session.room.membership.DefaultMembershipService
 import im.vector.matrix.android.internal.session.room.membership.LoadRoomMembersTask
 import im.vector.matrix.android.internal.session.room.membership.joining.DefaultInviteTask
 import im.vector.matrix.android.internal.session.room.membership.joining.DefaultJoinRoomTask
@@ -47,15 +40,20 @@ import im.vector.matrix.android.internal.session.room.membership.leaving.Default
 import im.vector.matrix.android.internal.session.room.membership.leaving.LeaveRoomTask
 import im.vector.matrix.android.internal.session.room.prune.DefaultPruneEventTask
 import im.vector.matrix.android.internal.session.room.prune.PruneEventTask
-import im.vector.matrix.android.internal.session.room.read.DefaultReadService
 import im.vector.matrix.android.internal.session.room.read.DefaultSetReadMarkersTask
 import im.vector.matrix.android.internal.session.room.read.SetReadMarkersTask
-import im.vector.matrix.android.internal.session.room.relation.*
+import im.vector.matrix.android.internal.session.room.relation.DefaultFetchEditHistoryTask
-import im.vector.matrix.android.internal.session.room.send.DefaultSendService
+import im.vector.matrix.android.internal.session.room.relation.DefaultFindReactionEventForUndoTask
+import im.vector.matrix.android.internal.session.room.relation.DefaultUpdateQuickReactionTask
+import im.vector.matrix.android.internal.session.room.relation.FetchEditHistoryTask
+import im.vector.matrix.android.internal.session.room.relation.FindReactionEventForUndoTask
+import im.vector.matrix.android.internal.session.room.relation.UpdateQuickReactionTask
 import im.vector.matrix.android.internal.session.room.state.DefaultSendStateTask
-import im.vector.matrix.android.internal.session.room.state.DefaultStateService
 import im.vector.matrix.android.internal.session.room.state.SendStateTask
-import im.vector.matrix.android.internal.session.room.timeline.*
+import im.vector.matrix.android.internal.session.room.timeline.DefaultGetContextOfEventTask
+import im.vector.matrix.android.internal.session.room.timeline.DefaultPaginationTask
+import im.vector.matrix.android.internal.session.room.timeline.GetContextOfEventTask
+import im.vector.matrix.android.internal.session.room.timeline.PaginationTask
 import retrofit2.Retrofit
 
 @Module
@@ -71,6 +69,9 @@ internal abstract class RoomModule {
         }
     }
 
+    @Binds
+    abstract fun bindRoomFactory(roomFactory: DefaultRoomFactory): RoomFactory
+
     @Binds
     abstract fun bindRoomService(roomService: DefaultRoomService): RoomService
 
@@ -98,24 +99,15 @@ internal abstract class RoomModule {
     @Binds
     abstract fun bindLeaveRoomTask(leaveRoomTask: DefaultLeaveRoomTask): LeaveRoomTask
 
-    @Binds
-    abstract fun bindMembershipService(membershipService: DefaultMembershipService): MembershipService
-
     @Binds
     abstract fun bindLoadRoomMembersTask(loadRoomMembersTask: DefaultLoadRoomMembersTask): LoadRoomMembersTask
 
     @Binds
     abstract fun bindPruneEventTask(pruneEventTask: DefaultPruneEventTask): PruneEventTask
 
-    @Binds
-    abstract fun bindReadService(readService: DefaultReadService): ReadService
-
     @Binds
     abstract fun bindSetReadMarkersTask(setReadMarkersTask: DefaultSetReadMarkersTask): SetReadMarkersTask
 
-    @Binds
-    abstract fun bindRelationService(relationService: DefaultRelationService): RelationService
-
     @Binds
     abstract fun bindFindReactionEventForUndoTask(findReactionEventForUndoTask: DefaultFindReactionEventForUndoTask): FindReactionEventForUndoTask
 
@@ -125,21 +117,12 @@ internal abstract class RoomModule {
     @Binds
     abstract fun bindSendStateTask(sendStateTask: DefaultSendStateTask): SendStateTask
 
-    @Binds
-    abstract fun bindSendService(sendService: DefaultSendService): SendService
-
-    @Binds
-    abstract fun bindStateService(stateService: DefaultStateService): StateService
-
     @Binds
     abstract fun bindGetContextOfEventTask(getContextOfEventTask: DefaultGetContextOfEventTask): GetContextOfEventTask
 
     @Binds
     abstract fun bindPaginationTask(paginationTask: DefaultPaginationTask): PaginationTask
 
-    @Binds
-    abstract fun bindTimelineService(timelineService: DefaultTimelineService): TimelineService
-
     @Binds
     abstract fun bindFileService(fileService: DefaultFileService): FileService
 

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

@@ -17,6 +17,8 @@
 package im.vector.matrix.android.internal.session.room.membership
 
 import androidx.lifecycle.LiveData
+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
@@ -31,17 +33,21 @@ import im.vector.matrix.android.internal.session.room.membership.leaving.LeaveRo
 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 javax.inject.Inject
 
-internal class DefaultMembershipService @Inject constructor(private val roomId: String,
+internal class DefaultMembershipService @AssistedInject constructor(@Assisted private val roomId: String,
-                                                            private val monarchy: Monarchy,
+                                                                    private val monarchy: Monarchy,
-                                                            private val taskExecutor: TaskExecutor,
+                                                                    private val taskExecutor: TaskExecutor,
-                                                            private val loadRoomMembersTask: LoadRoomMembersTask,
+                                                                    private val loadRoomMembersTask: LoadRoomMembersTask,
-                                                            private val inviteTask: InviteTask,
+                                                                    private val inviteTask: InviteTask,
-                                                            private val joinTask: JoinRoomTask,
+                                                                    private val joinTask: JoinRoomTask,
-                                                            private val leaveRoomTask: LeaveRoomTask
+                                                                    private val leaveRoomTask: LeaveRoomTask
 ) : MembershipService {
 
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): MembershipService
+    }
+
     override fun loadRoomMembersIfNeeded(matrixCallback: MatrixCallback<Unit>): Cancelable {
         val params = LoadRoomMembersTask.Params(roomId, Membership.LEAVE)
         return loadRoomMembersTask

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

@@ -16,6 +16,8 @@
 
 package im.vector.matrix.android.internal.session.room.read
 
+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.auth.data.Credentials
@@ -27,13 +29,18 @@ import im.vector.matrix.android.internal.database.query.findLastLiveChunkFromRoo
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.configureWith
-import javax.inject.Inject
 
-internal class DefaultReadService @Inject constructor(private val roomId: String,
+internal class DefaultReadService @AssistedInject constructor(@Assisted private val roomId: String,
-                                                      private val monarchy: Monarchy,
+                                                              private val monarchy: Monarchy,
-                                                      private val taskExecutor: TaskExecutor,
+                                                              private val taskExecutor: TaskExecutor,
-                                                      private val setReadMarkersTask: SetReadMarkersTask,
+                                                              private val setReadMarkersTask: SetReadMarkersTask,
-                                                      private val credentials: Credentials) : ReadService {
+                                                              private val credentials: Credentials
+) : ReadService {
+
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): ReadService
+    }
 
     override fun markAllAsRead(callback: MatrixCallback<Unit>) {
         val params = SetReadMarkersTask.Params(roomId, markAllAsRead = true)
@@ -67,13 +74,13 @@ internal class DefaultReadService @Inject constructor(private val roomId: String
         var isEventRead = false
         monarchy.doWithRealm {
             val readReceipt = ReadReceiptEntity.where(it, roomId, credentials.userId).findFirst()
-                    ?: return@doWithRealm
+                              ?: return@doWithRealm
             val liveChunk = ChunkEntity.findLastLiveChunkFromRoom(it, roomId)
-                    ?: return@doWithRealm
+                            ?: return@doWithRealm
             val readReceiptIndex = liveChunk.timelineEvents.find(readReceipt.eventId)?.root?.displayIndex
-                    ?: Int.MIN_VALUE
+                                   ?: Int.MIN_VALUE
             val eventToCheckIndex = liveChunk.timelineEvents.find(eventId)?.root?.displayIndex
-                    ?: Int.MAX_VALUE
+                                    ?: Int.MAX_VALUE
             isEventRead = eventToCheckIndex <= readReceiptIndex
         }
         return isEventRead

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

@@ -19,6 +19,8 @@ import android.content.Context
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Transformations
 import androidx.work.OneTimeWorkRequest
+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.auth.data.Credentials
@@ -45,19 +47,23 @@ import im.vector.matrix.android.internal.task.configureWith
 import im.vector.matrix.android.internal.util.CancelableWork
 import im.vector.matrix.android.internal.worker.WorkerParamsFactory
 import timber.log.Timber
-import javax.inject.Inject
 
-internal class DefaultRelationService @Inject constructor(private val context: Context,
+internal class DefaultRelationService @AssistedInject constructor(@Assisted private val roomId: String,
-                                                          private val credentials: Credentials,
+                                                                  private val context: Context,
-                                                          private val roomId: String,
+                                                                  private val credentials: Credentials,
-                                                          private val eventFactory: LocalEchoEventFactory,
+                                                                  private val eventFactory: LocalEchoEventFactory,
-                                                          private val cryptoService: CryptoService,
+                                                                  private val cryptoService: CryptoService,
-                                                          private val findReactionEventForUndoTask: FindReactionEventForUndoTask,
+                                                                  private val findReactionEventForUndoTask: FindReactionEventForUndoTask,
-                                                          private val fetchEditHistoryTask: FetchEditHistoryTask,
+                                                                  private val fetchEditHistoryTask: FetchEditHistoryTask,
-                                                          private val monarchy: Monarchy,
+                                                                  private val monarchy: Monarchy,
-                                                          private val taskExecutor: TaskExecutor)
+                                                                  private val taskExecutor: TaskExecutor)
     : RelationService {
 
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): RelationService
+    }
+
     override fun sendReaction(reaction: String, targetEventId: String): Cancelable {
         val event = eventFactory.createReactionEvent(roomId, targetEventId, reaction)
                 .also {
@@ -148,9 +154,9 @@ internal class DefaultRelationService @Inject constructor(private val context: C
                            compatibilityBodyText: String): Cancelable {
         val event = eventFactory
                 .createReplaceTextOfReply(roomId,
-                        replyToEdit,
+                                          replyToEdit,
-                        originalEvent,
+                                          originalEvent,
-                        newBodyText, true, MessageType.MSGTYPE_TEXT, compatibilityBodyText)
+                                          newBodyText, true, MessageType.MSGTYPE_TEXT, compatibilityBodyText)
                 .also {
                     saveLocalEcho(it)
                 }
@@ -214,7 +220,7 @@ internal class DefaultRelationService @Inject constructor(private val context: C
         }
         return Transformations.map(liveEntity) { realmResults ->
             realmResults.firstOrNull()?.asDomain()
-                    ?: EventAnnotationsSummary(eventId, emptyList(), null)
+            ?: EventAnnotationsSummary(eventId, emptyList(), null)
         }
     }
 
@@ -227,7 +233,7 @@ internal class DefaultRelationService @Inject constructor(private val context: C
     private fun saveLocalEcho(event: Event) {
         monarchy.writeAsync { realm ->
             val roomEntity = RoomEntity.where(realm, roomId = roomId).findFirst()
-                    ?: return@writeAsync
+                             ?: return@writeAsync
             roomEntity.addSendingEvent(event)
         }
     }

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

@@ -17,12 +17,22 @@
 package im.vector.matrix.android.internal.session.room.send
 
 import android.content.Context
-import androidx.work.*
+import androidx.work.BackoffPolicy
+import androidx.work.ExistingWorkPolicy
+import androidx.work.OneTimeWorkRequest
+import androidx.work.Operation
+import androidx.work.WorkManager
+import com.squareup.inject.assisted.Assisted
+import com.squareup.inject.assisted.AssistedInject
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.api.session.content.ContentAttachmentData
 import im.vector.matrix.android.api.session.crypto.CryptoService
-import im.vector.matrix.android.api.session.events.model.*
+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.isImageMessage
+import im.vector.matrix.android.api.session.events.model.isTextMessage
+import im.vector.matrix.android.api.session.events.model.toModel
 import im.vector.matrix.android.api.session.room.model.message.MessageContent
 import im.vector.matrix.android.api.session.room.model.message.MessageType
 import im.vector.matrix.android.api.session.room.send.SendService
@@ -47,18 +57,22 @@ import im.vector.matrix.android.internal.worker.startChain
 import timber.log.Timber
 import java.util.concurrent.Executors
 import java.util.concurrent.TimeUnit
-import javax.inject.Inject
 
 private const val UPLOAD_WORK = "UPLOAD_WORK"
 private const val BACKOFF_DELAY = 10_000L
 
-internal class DefaultSendService @Inject constructor(private val context: Context,
+internal class DefaultSendService @AssistedInject constructor(@Assisted private val roomId: String,
-                                                      private val credentials: Credentials,
+                                                              private val context: Context,
-                                                      private val roomId: String,
+                                                              private val credentials: Credentials,
-                                                      private val localEchoEventFactory: LocalEchoEventFactory,
+                                                              private val localEchoEventFactory: LocalEchoEventFactory,
-                                                      private val cryptoService: CryptoService,
+                                                              private val cryptoService: CryptoService,
-                                                      private val monarchy: Monarchy)
+                                                              private val monarchy: Monarchy
-    : SendService {
+) : SendService {
+
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): SendService
+    }
 
     private val workerFutureListenerExecutor = Executors.newSingleThreadExecutor()
     override fun sendTextMessage(text: String, msgType: String, autoMarkdown: Boolean): Cancelable {
@@ -152,11 +166,11 @@ internal class DefaultSendService @Inject constructor(private val context: Conte
     override fun deleteFailedEcho(localEcho: TimelineEvent) {
         monarchy.writeAsync { realm ->
             TimelineEventEntity.where(realm, eventId = localEcho.root.eventId
-                    ?: "").findFirst()?.let {
+                                                       ?: "").findFirst()?.let {
                 it.deleteFromRealm()
             }
             EventEntity.where(realm, eventId = localEcho.root.eventId
-                    ?: "").findFirst()?.let {
+                                               ?: "").findFirst()?.let {
                 it.deleteFromRealm()
             }
         }

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

@@ -16,6 +16,8 @@
 
 package im.vector.matrix.android.internal.session.room.state
 
+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.session.events.model.Event
 import im.vector.matrix.android.api.session.events.model.EventType
@@ -29,13 +31,18 @@ import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.configureWith
 import io.realm.Realm
 import io.realm.RealmConfiguration
-import javax.inject.Inject
 
-internal class DefaultStateService @Inject constructor(private val roomId: String,
+internal class DefaultStateService @AssistedInject constructor(@Assisted private val roomId: String,
-                                                       @SessionDatabase
+                                                               @SessionDatabase
-                                                       private val realmConfiguration: RealmConfiguration,
+                                                               private val realmConfiguration: RealmConfiguration,
-                                                       private val taskExecutor: TaskExecutor,
+                                                               private val taskExecutor: TaskExecutor,
-                                                       private val sendStateTask: SendStateTask) : StateService {
+                                                               private val sendStateTask: SendStateTask
+) : StateService {
+
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): StateService
+    }
 
     override fun getStateEvent(eventType: String): Event? {
         return Realm.getInstance(realmConfiguration).use { realm ->
@@ -45,10 +52,10 @@ internal class DefaultStateService @Inject constructor(private val roomId: Strin
 
     override fun updateTopic(topic: String, callback: MatrixCallback<Unit>) {
         val params = SendStateTask.Params(roomId,
-                EventType.STATE_ROOM_TOPIC,
+                                          EventType.STATE_ROOM_TOPIC,
-                mapOf(
+                                          mapOf(
-                        "topic" to topic
+                                                  "topic" to topic
-                ))
+                                          ))
 
 
         sendStateTask

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

@@ -18,6 +18,8 @@ package im.vector.matrix.android.internal.session.room.timeline
 
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Transformations
+import com.squareup.inject.assisted.Assisted
+import com.squareup.inject.assisted.AssistedInject
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.session.crypto.CryptoService
 import im.vector.matrix.android.api.session.room.timeline.Timeline
@@ -29,16 +31,20 @@ import im.vector.matrix.android.internal.database.model.TimelineEventEntity
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.util.fetchCopyMap
-import javax.inject.Inject
 
-internal class DefaultTimelineService @Inject constructor(private val roomId: String,
+internal class DefaultTimelineService @AssistedInject constructor(@Assisted private val roomId: String,
-                                                          private val monarchy: Monarchy,
+                                                                  private val monarchy: Monarchy,
-                                                          private val taskExecutor: TaskExecutor,
+                                                                  private val taskExecutor: TaskExecutor,
-                                                          private val contextOfEventTask: GetContextOfEventTask,
+                                                                  private val contextOfEventTask: GetContextOfEventTask,
-                                                          private val cryptoService: CryptoService,
+                                                                  private val cryptoService: CryptoService,
-                                                          private val paginationTask: PaginationTask
+                                                                  private val paginationTask: PaginationTask
 ) : TimelineService {
 
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(roomId: String): TimelineService
+    }
+
     override fun createTimeline(eventId: String?, allowedTypes: List<String>?): Timeline {
         return DefaultTimeline(roomId,
                                eventId,

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

@@ -0,0 +1,24 @@
+/*
+ * 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.core.di
+
+import com.squareup.inject.assisted.dagger2.AssistedModule
+import dagger.Module
+
+@AssistedModule
+@Module(includes = [AssistedInject_AssistedInjectModule::class])
+interface AssistedInjectModule

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

@@ -41,7 +41,11 @@ import im.vector.riotx.features.home.createdirect.CreateDirectRoomDirectoryUsers
 import im.vector.riotx.features.home.createdirect.CreateDirectRoomKnownUsersFragment
 import im.vector.riotx.features.home.group.GroupListFragment
 import im.vector.riotx.features.home.room.detail.RoomDetailFragment
-import im.vector.riotx.features.home.room.detail.timeline.action.*
+import im.vector.riotx.features.home.room.detail.timeline.action.MessageActionsBottomSheet
+import im.vector.riotx.features.home.room.detail.timeline.action.MessageMenuFragment
+import im.vector.riotx.features.home.room.detail.timeline.action.QuickReactionFragment
+import im.vector.riotx.features.home.room.detail.timeline.action.ViewEditHistoryBottomSheet
+import im.vector.riotx.features.home.room.detail.timeline.action.ViewReactionBottomSheet
 import im.vector.riotx.features.home.room.filtered.FilteredRoomsActivity
 import im.vector.riotx.features.home.room.list.RoomListFragment
 import im.vector.riotx.features.invite.VectorInviteView
@@ -59,10 +63,16 @@ import im.vector.riotx.features.roomdirectory.createroom.CreateRoomActivity
 import im.vector.riotx.features.roomdirectory.createroom.CreateRoomFragment
 import im.vector.riotx.features.roomdirectory.picker.RoomDirectoryPickerFragment
 import im.vector.riotx.features.roomdirectory.roompreview.RoomPreviewNoPreviewFragment
-import im.vector.riotx.features.settings.*
+import im.vector.riotx.features.settings.VectorSettingsActivity
+import im.vector.riotx.features.settings.VectorSettingsAdvancedNotificationPreferenceFragment
+import im.vector.riotx.features.settings.VectorSettingsHelpAboutFragment
+import im.vector.riotx.features.settings.VectorSettingsNotificationPreferenceFragment
+import im.vector.riotx.features.settings.VectorSettingsNotificationsTroubleshootFragment
+import im.vector.riotx.features.settings.VectorSettingsPreferencesFragment
+import im.vector.riotx.features.settings.VectorSettingsSecurityPrivacyFragment
 import im.vector.riotx.features.settings.push.PushGatewaysFragment
 
-@Component(dependencies = [VectorComponent::class], modules = [ViewModelModule::class, HomeModule::class])
+@Component(dependencies = [VectorComponent::class], modules = [AssistedInjectModule::class, ViewModelModule::class, HomeModule::class])
 @ScreenScope
 interface ScreenComponent {
 

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

@@ -25,41 +25,17 @@ import im.vector.riotx.core.platform.ConfigurationViewModel
 import im.vector.riotx.features.crypto.keysbackup.restore.KeysBackupRestoreFromKeyViewModel
 import im.vector.riotx.features.crypto.keysbackup.restore.KeysBackupRestoreFromPassphraseViewModel
 import im.vector.riotx.features.crypto.keysbackup.restore.KeysBackupRestoreSharedViewModel
-import im.vector.riotx.features.crypto.keysbackup.settings.KeysBackupSettingsViewModel
-import im.vector.riotx.features.crypto.keysbackup.settings.KeysBackupSettingsViewModel_AssistedFactory
 import im.vector.riotx.features.crypto.keysbackup.setup.KeysBackupSetupSharedViewModel
 import im.vector.riotx.features.crypto.verification.SasVerificationViewModel
-import im.vector.riotx.features.home.*
+import im.vector.riotx.features.home.HomeNavigationViewModel
 import im.vector.riotx.features.home.createdirect.CreateDirectRoomNavigationViewModel
-import im.vector.riotx.features.home.createdirect.CreateDirectRoomViewModel
-import im.vector.riotx.features.home.createdirect.CreateDirectRoomViewModel_AssistedFactory
-import im.vector.riotx.features.home.group.GroupListViewModel
-import im.vector.riotx.features.home.group.GroupListViewModel_AssistedFactory
-import im.vector.riotx.features.home.room.detail.RoomDetailViewModel
-import im.vector.riotx.features.home.room.detail.RoomDetailViewModel_AssistedFactory
-import im.vector.riotx.features.home.room.detail.composer.TextComposerViewModel
-import im.vector.riotx.features.home.room.detail.composer.TextComposerViewModel_AssistedFactory
-import im.vector.riotx.features.home.room.detail.timeline.action.*
-import im.vector.riotx.features.home.room.list.RoomListViewModel
-import im.vector.riotx.features.home.room.list.RoomListViewModel_AssistedFactory
 import im.vector.riotx.features.reactions.EmojiChooserViewModel
 import im.vector.riotx.features.roomdirectory.RoomDirectoryNavigationViewModel
-import im.vector.riotx.features.roomdirectory.RoomDirectoryViewModel
-import im.vector.riotx.features.roomdirectory.RoomDirectoryViewModel_AssistedFactory
-import im.vector.riotx.features.roomdirectory.createroom.CreateRoomViewModel
-import im.vector.riotx.features.roomdirectory.createroom.CreateRoomViewModel_AssistedFactory
-import im.vector.riotx.features.roomdirectory.picker.RoomDirectoryPickerViewModel
-import im.vector.riotx.features.roomdirectory.picker.RoomDirectoryPickerViewModel_AssistedFactory
-import im.vector.riotx.features.roomdirectory.roompreview.RoomPreviewViewModel
-import im.vector.riotx.features.roomdirectory.roompreview.RoomPreviewViewModel_AssistedFactory
-import im.vector.riotx.features.settings.push.PushGatewaysViewModel
-import im.vector.riotx.features.settings.push.PushGatewaysViewModel_AssistedFactory
 import im.vector.riotx.features.workers.signout.SignOutViewModel
 
 @Module
 interface ViewModelModule {
 
-
     /**
      * ViewModels with @IntoMap will be injected by this factory
      */
@@ -69,6 +45,7 @@ interface ViewModelModule {
     /**
      *  Below are bindings for the androidx view models (which extend ViewModel). Will be converted to MvRx ViewModel in the future.
      */
+
     @Binds
     @IntoMap
     @ViewModelKey(SignOutViewModel::class)
@@ -124,62 +101,4 @@ interface ViewModelModule {
     @ViewModelKey(CreateDirectRoomNavigationViewModel::class)
     fun bindCreateDirectRoomNavigationViewModel(viewModel: CreateDirectRoomNavigationViewModel): ViewModel
 
-    /**
-     * Below are bindings for the MvRx view models (which extend VectorViewModel). Will be the only usage in the future.
-     */
-
-    @Binds
-    fun bindHomeActivityViewModelFactory(factory: HomeActivityViewModel_AssistedFactory): HomeActivityViewModel.Factory
-
-    @Binds
-    fun bindTextComposerViewModelFactory(factory: TextComposerViewModel_AssistedFactory): TextComposerViewModel.Factory
-
-    @Binds
-    fun bindRoomDetailViewModelFactory(factory: RoomDetailViewModel_AssistedFactory): RoomDetailViewModel.Factory
-
-    @Binds
-    fun bindQuickReactionViewModelFactory(factory: QuickReactionViewModel_AssistedFactory): QuickReactionViewModel.Factory
-
-    @Binds
-    fun bindMessageActionsViewModelFactory(factory: MessageActionsViewModel_AssistedFactory): MessageActionsViewModel.Factory
-
-    @Binds
-    fun bindMessageMenuViewModelFactory(factory: MessageMenuViewModel_AssistedFactory): MessageMenuViewModel.Factory
-
-    @Binds
-    fun bindRoomListViewModelFactory(factory: RoomListViewModel_AssistedFactory): RoomListViewModel.Factory
-
-    @Binds
-    fun bindGroupListViewModelFactory(factory: GroupListViewModel_AssistedFactory): GroupListViewModel.Factory
-
-    @Binds
-    fun bindHomeDetailViewModelFactory(factory: HomeDetailViewModel_AssistedFactory): HomeDetailViewModel.Factory
-
-    @Binds
-    fun bindKeysBackupSettingsViewModelFactory(factory: KeysBackupSettingsViewModel_AssistedFactory): KeysBackupSettingsViewModel.Factory
-
-    @Binds
-    fun bindRoomDirectoryPickerViewModelFactory(factory: RoomDirectoryPickerViewModel_AssistedFactory): RoomDirectoryPickerViewModel.Factory
-
-    @Binds
-    fun bindRoomDirectoryViewModelFactory(factory: RoomDirectoryViewModel_AssistedFactory): RoomDirectoryViewModel.Factory
-
-    @Binds
-    fun bindRoomPreviewViewModelFactory(factory: RoomPreviewViewModel_AssistedFactory): RoomPreviewViewModel.Factory
-
-    @Binds
-    fun bindViewReactionViewModelFactory(factory: ViewReactionViewModel_AssistedFactory): ViewReactionViewModel.Factory
-
-    @Binds
-    fun bindViewEditHistoryViewModelFactory(factory: ViewEditHistoryViewModel_AssistedFactory): ViewEditHistoryViewModel.Factory
-
-    @Binds
-    fun bindCreateRoomViewModelFactory(factory: CreateRoomViewModel_AssistedFactory): CreateRoomViewModel.Factory
-
-    @Binds
-    fun bindCreateDirectRoomViewModelFactory(factory: CreateDirectRoomViewModel_AssistedFactory): CreateDirectRoomViewModel.Factory
-
-    @Binds
-    fun bindPushGatewaysViewModelFactory(factory: PushGatewaysViewModel_AssistedFactory): PushGatewaysViewModel.Factory
-
 }