change(left room snackbar) : manage cancel knock and decline invite

appnav/src/main/kotlin/io/element/android/appnav/LoggedInEventProcessor.kt

@@ -10,34 +10,33 @@ package io.element.android.appnav
 import io.element.android.libraries.designsystem.utils.snackbar.SnackbarDispatcher
 import io.element.android.libraries.designsystem.utils.snackbar.SnackbarMessage
 import io.element.android.libraries.matrix.api.room.RoomMembershipObserver
+import io.element.android.libraries.matrix.api.timeline.item.event.MembershipChange
 import io.element.android.libraries.ui.strings.CommonStrings
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
-import kotlinx.coroutines.launch
 import javax.inject.Inject
 
 class LoggedInEventProcessor @Inject constructor(
     private val snackbarDispatcher: SnackbarDispatcher,
-    roomMembershipObserver: RoomMembershipObserver,
+    private val roomMembershipObserver: RoomMembershipObserver,
 ) {
     private var observingJob: Job? = null
 
-    private val displayLeftRoomMessage = roomMembershipObserver.updates
-        .map { !it.isUserInRoom }
-
     fun observeEvents(coroutineScope: CoroutineScope) {
-        observingJob = coroutineScope.launch {
-            displayLeftRoomMessage
-                .filter { it }
-                .onEach {
-                    displayMessage(CommonStrings.common_current_user_left_room)
+        observingJob = roomMembershipObserver.updates
+            .filter { !it.isUserInRoom }
+            .onEach {
+                when (it.change) {
+                    MembershipChange.LEFT -> displayMessage(CommonStrings.common_current_user_left_room)
+                    MembershipChange.INVITATION_REJECTED -> displayMessage(CommonStrings.common_current_user_rejected_invite)
+                    MembershipChange.KNOCK_RETRACTED -> displayMessage(CommonStrings.common_current_user_canceled_knock)
+                    else -> Unit
                 }
-                .launchIn(this)
-        }
+            }
+            .launchIn(coroutineScope)
     }
 
     fun stopObserving() {

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

@@ -25,4 +25,12 @@ class RoomMembershipObserver {
     suspend fun notifyUserLeftRoom(roomId: RoomId) {
         _updates.emit(RoomMembershipUpdate(roomId, false, MembershipChange.LEFT))
     }
+
+    suspend fun notifyUserDeclinedInvite(roomId: RoomId) {
+        _updates.emit(RoomMembershipUpdate(roomId, false, MembershipChange.INVITATION_REJECTED))
+    }
+
+    suspend fun notifyUserCanceledKnock(roomId: RoomId) {
+        _updates.emit(RoomMembershipUpdate(roomId, false, MembershipChange.KNOCK_RETRACTED))
+    }
 }

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

@@ -9,6 +9,7 @@ package io.element.android.libraries.matrix.impl.room
 
 import androidx.compose.runtime.Immutable
 import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.api.room.CurrentUserMembership
 import io.element.android.libraries.matrix.api.room.RoomMembershipDetails
 import io.element.android.libraries.matrix.api.room.RoomMembershipObserver
 import io.element.android.libraries.matrix.api.room.RoomPreview
@@ -33,7 +34,11 @@ class RustRoomPreview(
     override suspend fun leave(): Result<Unit> = runCatching {
         inner.leave()
     }.onSuccess {
-        roomMembershipObserver?.notifyUserLeftRoom(info.roomId)
+        when (info.membership) {
+            CurrentUserMembership.INVITED -> roomMembershipObserver?.notifyUserDeclinedInvite(info.roomId)
+            CurrentUserMembership.KNOCKED -> roomMembershipObserver?.notifyUserCanceledKnock(info.roomId)
+            else -> Unit
+        }
     }
 
     override suspend fun forget(): Result<Unit> = runCatching {

libraries/ui-strings/src/main/res/values/localazy.xml

@@ -145,7 +145,9 @@
   <string name="common_copied_to_clipboard">"Copied to clipboard"</string>
   <string name="common_copyright">"Copyright"</string>
   <string name="common_creating_room">"Creating room…"</string>
+  <string name="common_current_user_canceled_knock">"Request canceled"</string>
   <string name="common_current_user_left_room">"Left room"</string>
+  <string name="common_current_user_rejected_invite">"Invite declined"</string>
   <string name="common_dark">"Dark"</string>
   <string name="common_decryption_error">"Decryption error"</string>
   <string name="common_developer_options">"Developer options"</string>