Simplify the management of `inReplyToEventTimelineItem`

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/messagecomposer/MessageComposerPresenter.kt

@@ -20,7 +20,6 @@ import android.Manifest
 import android.annotation.SuppressLint
 import android.net.Uri
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
@@ -152,23 +151,12 @@ class MessageComposerPresenter @Inject constructor(
             }
         }
 
-        DisposableEffect(Unit) {
-            onDispose {
-                appCoroutineScope.launch {
-                    room.exitReplyMode()
-                }
-            }
-        }
-
         fun handleEvents(event: MessageComposerEvents) {
             when (event) {
                 MessageComposerEvents.ToggleFullScreenState -> isFullScreen.value = !isFullScreen.value
                 MessageComposerEvents.CloseSpecialMode -> {
                     richTextEditorState.setHtml("")
                     messageComposerContext.composerMode = MessageComposerMode.Normal("")
-                    appCoroutineScope.launch {
-                        room.exitReplyMode()
-                    }
                 }
                 is MessageComposerEvents.SendMessage -> appCoroutineScope.sendMessage(
                     message = event.message,
@@ -177,11 +165,9 @@ class MessageComposerPresenter @Inject constructor(
                 )
                 is MessageComposerEvents.SetMode -> {
                     messageComposerContext.composerMode = event.composerMode
-                    appCoroutineScope.launch {
                     if (event.composerMode is MessageComposerMode.Reply) {
+                        appCoroutineScope.launch {
                             room.enterReplyMode(event.composerMode.eventId)
-                        } else {
-                            room.exitReplyMode()
                         }
                     }
                 }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/MatrixRoom.kt

@@ -91,8 +91,6 @@ interface MatrixRoom : Closeable {
 
     suspend fun enterReplyMode(eventId: EventId): Result<Unit>
 
-    suspend fun exitReplyMode(): Result<Unit>
-
     suspend fun replyMessage(eventId: EventId, body: String, htmlBody: String?): Result<Unit>
 
     suspend fun redactEvent(eventId: EventId, reason: String? = null): Result<Unit>

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

@@ -139,6 +139,7 @@ class RustMatrixRoom(
         roomCoroutineScope.cancel()
         innerRoom.destroy()
         roomListItem.destroy()
+        inReplyToEventTimelineItem?.destroy()
     }
 
     override val name: String?
@@ -272,13 +273,6 @@ class RustMatrixRoom(
         }
     }
 
-    override suspend fun exitReplyMode(): Result<Unit> = withContext(roomDispatcher) {
-        runCatching {
-            inReplyToEventTimelineItem?.destroy()
-            inReplyToEventTimelineItem = null
-        }
-    }
-
     override suspend fun replyMessage(eventId: EventId, body: String, htmlBody: String?): Result<Unit> = withContext(roomDispatcher) {
         runCatching {
             val inReplyTo = inReplyToEventTimelineItem ?: innerRoom.getEventTimelineItemByEventId(eventId.value)

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/room/FakeMatrixRoom.kt

@@ -212,10 +212,6 @@ class FakeMatrixRoom(
         return Result.success(Unit)
     }
 
-    override suspend fun exitReplyMode(): Result<Unit> {
-        return Result.success(Unit)
-    }
-
     override suspend fun replyMessage(eventId: EventId, body: String, htmlBody: String?): Result<Unit> {
         replyMessageParameter = body to htmlBody
         return Result.success(Unit)