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Swift 6 Migration (#5733)

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* Enable Swift 6.2 with default main actor isolation for the app target

Turn on SWIFT_VERSION 6.2, SWIFT_APPROACHABLE_CONCURRENCY and SWIFT_DEFAULT_ACTOR_ISOLATION = MainActor for the ElementX target, matching the NSE and Share Extension (which already use 6.2 without the main actor default).

# Conflicts:
#	ElementX.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

* Update the code generation templates for Swift 6

Emit nonisolated/@unchecked Sendable mocks and nonisolated string enums, and mark async mock methods @concurrent so they keep suspending like the real implementations (otherwise intermediate states are unobservable in tests). Includes the regenerated mocks and strings.

# Conflicts:
#	ElementX/Sources/Mocks/Generated/GeneratedMocks.swift

* Make the data layer and services nonisolated and Sendable

Annotate the value-type models, Rust SDK proxy wrappers, timeline item graph, settings, logging and NSE-shared types as nonisolated, and conform the service protocols to Sendable so their existentials can cross isolation boundaries. These types run off the main actor and no longer inherit the target's default main actor isolation.

* Adopt the new isolation across call sites, mocks and signatures

Update call sites, closure signatures and mock configuration helpers to match the nonisolated/Sendable data layer, including the main actor isolated mock inits and the @Sendable filter on recentlyVisitedRooms.

^ Conflicts:
^	ElementX/Sources/Services/SecureBackup/SecureBackupController.swift

* Remove redundant @MainActor annotations

With the app target defaulting to main actor isolation, the explicit @MainActor on view models, coordinators, views and their protocols is no longer required.

* Fix concurrency hotspots surfaced by the migration

Resolve the room summary main-thread deadlock by moving diff processing onto AsyncStreams, add the SDKListener.onMainActor FIFO bridge for SDK callbacks, hop KVO/timer/UIKit callbacks to the main actor via assumeIsolated, add isolated deinits, and apply the few justified nonisolated(unsafe) escapes for queue-confined Apple APIs.

* Fix the unit tests for Swift 6 concurrency

Hop the waitForConfirmation body onto the caller's actor (Swift Testing runs confirmation closures off-actor), and adjust the affected suites and async signatures.

* offload diffs on concurrent threads instead of main actor

* make room info protocols sendable

* use a task group for fetching data so that everything runs concurrently in the TextRoomTimelineView when getting the preview.

* use the generic onMainActor implementation, which already makes a stream and send the continuation on the main actor.

* small pr comments issues being addressed

* update enterprise

* Update StaticCode to 1.1.0 and specify the required Swift isolation.

* fix ElementCallServiceTests

* update enterprise

* re-generate mocks

* update enterprise

* enterprise new code conformed to swift 6

---------

Co-authored-by: Doug <douglase@element.io>
This commit is contained in:
Mauro
2026-06-18 17:55:31 +02:00
committed by GitHub
parent 7edca8b5a1
commit a520d94760
444 changed files with 3677 additions and 3361 deletions
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ElementX/Sources/Services/Client/ClientProxy.swift
+16 -12
View File
@@ -247,8 +247,11 @@ class ClientProxy: ClientProxyProtocol {
roomListStateLoadingStateUpdateTaskHandle = createRoomListLoadingStateUpdateObserver(roomListService)
delegateHandle = try client.setDelegate(delegate: ClientDelegateWrapper { [weak self] isSoftLogout in
self?.hasEncounteredAuthError = true
self?.actionsSubject.send(.receivedAuthError(isSoftLogout: isSoftLogout))
// Called by the SDK from arbitrary threads, hop to the main actor where the proxy lives.
Task { @MainActor in
self?.hasEncounteredAuthError = true
self?.actionsSubject.send(.receivedAuthError(isSoftLogout: isSoftLogout))
}
} backgroundTaskErrorCallback: { error in
switch error {
case .panic(let message, let backtrace):
@@ -628,7 +631,8 @@ class ClientProxy: ClientProxyProtocol {
}
if !staticRoomSummaryProvider.statePublisher.value.isLoaded {
_ = await staticRoomSummaryProvider.statePublisher.values.first { $0.isLoaded }
var iterator = staticRoomSummaryProvider.statePublisher.values.makeAsyncIterator()
while let state = await iterator.next(isolation: #isolation), !state.isLoaded { }
}
if shouldAwait {
@@ -904,7 +908,7 @@ class ClientProxy: ClientProxyProtocol {
}
}
func recentlyVisitedRooms(filter: (JoinedRoomProxyProtocol) -> Bool) async -> [JoinedRoomProxyProtocol] {
func recentlyVisitedRooms(filter: @Sendable (JoinedRoomProxyProtocol) -> Bool) async -> [JoinedRoomProxyProtocol] {
let maxResultsToReturn = 5
guard case let .success(roomIdentifiers) = await recentlyVisitedRoomIDs() else {
@@ -1005,7 +1009,7 @@ class ClientProxy: ClientProxyProtocol {
}
.store(in: &cancellables)
ignoredUsersListenerTaskHandle = client.subscribeToIgnoredUsers(listener: SDKListener { [weak self] ignoredUsers in
ignoredUsersListenerTaskHandle = client.subscribeToIgnoredUsers(listener: SDKListener.onMainActor { [weak self] ignoredUsers in
self?.ignoredUsersSubject.send(ignoredUsers)
})
@@ -1014,12 +1018,12 @@ class ClientProxy: ClientProxyProtocol {
Task { await self?.updateVerificationState(verificationState) }
})
sendQueueStatusListenerTaskHandle = client.subscribeToSendQueueStatus(listener: SDKListener { [weak self] roomID, error in
sendQueueStatusListenerTaskHandle = client.subscribeToSendQueueStatus(listener: SDKListener.onMainActor { [weak self] roomID, error in
MXLog.error("Send queue failed in room: \(roomID) with error: \(error)")
self?.sendQueueStatusSubject.send(false)
})
sendQueueUpdatesListenerTaskHandle = try? await client.subscribeToSendQueueUpdates(listener: SDKListener { [analyticsService] _, update in
sendQueueUpdatesListenerTaskHandle = try? await client.subscribeToSendQueueUpdates(listener: SDKListener.onMainActor { [analyticsService] _, update in
switch update {
case .newLocalEvent(let transactionID):
analyticsService.signpost.startTransaction(.sendMessage(uuid: transactionID))
@@ -1172,7 +1176,7 @@ class ClientProxy: ClientProxyProtocol {
}
private func createSyncServiceStateObserver(_ syncService: SyncService) -> TaskHandle {
syncService.state(listener: SDKListener { [weak self] state in
syncService.state(listener: SDKListener.onMainActor { [weak self] state in
guard let self else { return }
MXLog.info("Received sync service update: \(state)")
@@ -1190,7 +1194,7 @@ class ClientProxy: ClientProxyProtocol {
private func createMediaPreviewConfigObserver() async -> TaskHandle? {
do {
return try await client.subscribeToMediaPreviewConfig(listener: SDKListener { [weak self] config in
return try await client.subscribeToMediaPreviewConfig(listener: SDKListener.onMainActor { [weak self] config in
guard let self else { return }
if let config {
@@ -1210,7 +1214,7 @@ class ClientProxy: ClientProxyProtocol {
private func createLiveLocationOwnInfoUpdatesObserver() -> TaskHandle? {
do {
return try client.subscribeToOwnBeaconInfoUpdates(listener: SDKListener { [weak self] update in
return try client.subscribeToOwnBeaconInfoUpdates(listener: SDKListener.onMainActor { [weak self] update in
guard let self else { return }
let appUpdate = LiveLocationOwnInfoUpdate(roomID: update.roomId,
eventID: update.eventId,
@@ -1224,7 +1228,7 @@ class ClientProxy: ClientProxyProtocol {
}
private func createRoomListServiceObserver(_ roomListService: RoomListService) -> TaskHandle {
roomListService.state(listener: SDKListener { [weak self] state in
roomListService.state(listener: SDKListener.onMainActor { [weak self] state in
guard let self else { return }
MXLog.info("Received room list update: \(state)")
@@ -1246,7 +1250,7 @@ class ClientProxy: ClientProxyProtocol {
}
private func createRoomListLoadingStateUpdateObserver(_ roomListService: RoomListService) -> TaskHandle {
roomListService.syncIndicator(delayBeforeShowingInMs: 1000, delayBeforeHidingInMs: 0, listener: SDKListener { [weak self] state in
roomListService.syncIndicator(delayBeforeShowingInMs: 1000, delayBeforeHidingInMs: 0, listener: SDKListener.onMainActor { [weak self] state in
guard let self else { return }
switch state {
ElementX/Sources/Services/Client/ClientProxyProtocol.swift
+1 -1
View File
@@ -260,7 +260,7 @@ protocol ClientProxyProtocol: AnyObject {
func trackRecentlyVisitedRoom(_ roomID: String) async -> Result<Void, ClientProxyError>
func recentlyVisitedRooms(filter: (JoinedRoomProxyProtocol) -> Bool) async -> [JoinedRoomProxyProtocol]
func recentlyVisitedRooms(filter: @Sendable (JoinedRoomProxyProtocol) -> Bool) async -> [JoinedRoomProxyProtocol]
func recentConversationCounterparts() async -> [UserProfileProxy]
// MARK: - Crypto