Update rust sdk to 0.1.31: new app service

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt

@@ -47,6 +47,7 @@ import io.element.android.libraries.matrix.impl.room.RoomContentForwarder
 import io.element.android.libraries.matrix.impl.room.RustMatrixRoom
 import io.element.android.libraries.matrix.impl.room.RustRoomSummaryDataSource
 import io.element.android.libraries.matrix.impl.room.roomOrNull
+import io.element.android.libraries.matrix.impl.room.stateFlow
 import io.element.android.libraries.matrix.impl.sync.RustSyncService
 import io.element.android.libraries.matrix.impl.usersearch.UserProfileMapper
 import io.element.android.libraries.matrix.impl.usersearch.UserSearchResultMapper
@@ -85,11 +86,14 @@ class RustMatrixClient constructor(
 ) : MatrixClient {
 
     override val sessionId: UserId = UserId(client.userId())
-    private val roomListService = client.roomListServiceWithEncryption()
+    private val app = client.app().use { builder ->
+        builder.finish()
+    }
+    private val roomListService = app.roomListService()
     private val sessionDispatcher = dispatchers.io.limitedParallelism(64)
     private val sessionCoroutineScope = appCoroutineScope.childScope(dispatchers.main, "Session-${sessionId}")
     private val verificationService = RustSessionVerificationService()
-    private val syncService = RustSyncService(roomListService, sessionCoroutineScope)
+    private val syncService = RustSyncService(app, roomListService.stateFlow(), sessionCoroutineScope)
     private val pushersService = RustPushersService(
         client = client,
         dispatchers = dispatchers,
@@ -252,6 +256,7 @@ class RustMatrixClient constructor(
         sessionCoroutineScope.cancel()
         client.setDelegate(null)
         verificationService.destroy()
+        app.destroy()
         roomListService.destroy()
         notificationClient.destroy()
         client.destroy()

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/sync/AppExtension.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023 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 io.element.android.libraries.matrix.impl.sync
+
+import io.element.android.libraries.matrix.impl.util.mxCallbackFlow
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.channels.trySendBlocking
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.buffer
+import org.matrix.rustcomponents.sdk.App
+import org.matrix.rustcomponents.sdk.AppState
+import org.matrix.rustcomponents.sdk.AppStateObserver
+
+fun App.stateFlow(): Flow<AppState> =
+    mxCallbackFlow {
+        val listener = object : AppStateObserver {
+            override fun onUpdate(state: AppState) {
+                trySendBlocking(state)
+            }
+        }
+        state(listener)
+    }.buffer(Channel.UNLIMITED)

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/sync/AppStateMapper.kt

@@ -17,6 +17,7 @@
 package io.element.android.libraries.matrix.impl.sync
 
 import io.element.android.libraries.matrix.api.sync.SyncState
+import org.matrix.rustcomponents.sdk.AppState
 import org.matrix.rustcomponents.sdk.RoomListServiceState
 
 internal fun RoomListServiceState.toSyncState(): SyncState {
@@ -28,3 +29,11 @@ internal fun RoomListServiceState.toSyncState(): SyncState {
         RoomListServiceState.TERMINATED -> SyncState.Terminated
     }
 }
+
+internal fun AppState.toSyncState(): SyncState {
+    return when (this) {
+        AppState.RUNNING -> SyncState.Syncing
+        AppState.TERMINATED -> SyncState.Terminated
+        AppState.ERROR -> SyncState.InError
+    }
+}

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/sync/RustSyncService.kt

@@ -18,47 +18,39 @@ package io.element.android.libraries.matrix.impl.sync
 
 import io.element.android.libraries.matrix.api.sync.SyncService
 import io.element.android.libraries.matrix.api.sync.SyncState
-import io.element.android.libraries.matrix.impl.room.stateFlow
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.stateIn
-import org.matrix.rustcomponents.sdk.RoomListService
+import org.matrix.rustcomponents.sdk.App
 import org.matrix.rustcomponents.sdk.RoomListServiceState
 import timber.log.Timber
-import java.util.concurrent.atomic.AtomicBoolean
 
 class RustSyncService(
-    private val roomListService: RoomListService,
+    private val app: App,
+    roomListStateFlow: Flow<RoomListServiceState>,
     sessionCoroutineScope: CoroutineScope
 ) : SyncService {
 
-    private val isSyncing = AtomicBoolean(false)
-
     override fun startSync() = runCatching {
-        if (isSyncing.compareAndSet(false, true)) {
-            Timber.v("Start sync")
-            roomListService.sync()
-        }
+        Timber.v("Start sync")
+        app.start()
     }
 
     override fun stopSync() = runCatching {
-        if (isSyncing.compareAndSet(true, false)) {
-            Timber.v("Stop sync")
-            roomListService.stopSync()
-        }
+        Timber.v("Stop sync")
+        app.pause()
     }
 
     override val syncState: StateFlow<SyncState> =
-        roomListService
-            .stateFlow()
+        roomListStateFlow
             .map(RoomListServiceState::toSyncState)
             .onEach { state ->
                 Timber.v("Sync state=$state")
-                isSyncing.set(state == SyncState.Syncing)
             }
             .distinctUntilChanged()
             .stateIn(sessionCoroutineScope, SharingStarted.Eagerly, SyncState.Idle)