misc: introduce @RoomCoroutineScope

libraries/di/src/main/kotlin/io/element/android/libraries/di/annotations/RoomCoroutineScope.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2024 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.di.annotations
+
+import dev.zacsweers.metro.Qualifier
+
+/**
+ * Qualifies a [CoroutineScope] object which represents the base coroutine scope to use for an active room.
+ */
+@Retention(AnnotationRetention.RUNTIME)
+@MustBeDocumented
+@Qualifier
+annotation class RoomCoroutineScope

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

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2023, 2024 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.matrix.impl.di
+
+import dev.zacsweers.metro.BindingContainer
+import dev.zacsweers.metro.ContributesTo
+import dev.zacsweers.metro.Provides
+import io.element.android.libraries.di.RoomScope
+import io.element.android.libraries.di.annotations.RoomCoroutineScope
+import io.element.android.libraries.matrix.api.room.BaseRoom
+import kotlinx.coroutines.CoroutineScope
+
+@BindingContainer
+@ContributesTo(RoomScope::class)
+object RoomModule {
+    @RoomCoroutineScope
+    @Provides
+    fun providesSessionCoroutineScope(room: BaseRoom): CoroutineScope {
+        return room.roomCoroutineScope
+    }
+}