Room/Timeline: simplify the apis

libraries/core/src/main/kotlin/io/element/android/libraries/core/coroutine/childScopeOf.kt

@@ -0,0 +1,33 @@
+/*
+ * 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.core.coroutine
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.CoroutineName
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.job
+import kotlinx.coroutines.plus
+
+fun childScopeOf(
+    parentScope: CoroutineScope,
+    dispatcher: CoroutineDispatcher,
+    name: String,
+): CoroutineScope = run {
+    val supervisorJob = SupervisorJob(parent = parentScope.coroutineContext.job)
+    parentScope + dispatcher + supervisorJob + CoroutineName(name)
+}