Even more space tweaks (#4588)

* Bring back the button to share a space on iOS 26.

* Remove the setting and disable the space tab on iOS 17.

(The tab bar is broken on iPadOS 17).

ElementX/Sources/Application/Navigation/NavigationTabCoordinator.swift

@@ -38,7 +38,10 @@ import SwiftUI
         }
         
         func barVisibility(in horizontalSizeClass: UserInterfaceSizeClass?) -> Visibility {
-            if let barVisibilityOverride {
+            if #unavailable(iOS 18.0) {
+                // There are glitches with the tab bar on iPadOS 17, so disable the tab bar until we have fixed it.
+                .hidden
+            } else if let barVisibilityOverride {
                 barVisibilityOverride
             } else if horizontalSizeClass == .compact, navigationSplitCoordinator?.detailCoordinator != nil {
                 // Whilst we support pushing screens on the stack in the sidebarCoordinator, in practice

ElementX/Sources/Application/Settings/AppSettings.swift

@@ -61,7 +61,6 @@ final class AppSettings {
         case enableKeyShareOnInvite
         case knockingEnabled
         case threadsEnabled
-        case spacesEnabled
         case developerOptionsEnabled
         case nextGenHTMLParserEnabled
         case linkPreviewsEnabled
@@ -390,9 +389,6 @@ final class AppSettings {
     @UserPreference(key: UserDefaultsKeys.threadsEnabled, defaultValue: false, storageType: .userDefaults(store))
     var threadsEnabled
     
-    @UserPreference(key: UserDefaultsKeys.spacesEnabled, defaultValue: true, storageType: .userDefaults(store))
-    var spacesEnabled
-    
     @UserPreference(key: UserDefaultsKeys.nextGenHTMLParserEnabled, defaultValue: true, storageType: .userDefaults(store))
     var nextGenHTMLParserEnabled
     

ElementX/Sources/FlowCoordinators/UserSessionFlowCoordinator.swift

@@ -84,10 +84,6 @@ class UserSessionFlowCoordinator: FlowCoordinatorProtocol {
         chatsTabDetails = .init(tag: HomeTab.chats, title: L10n.screenHomeTabChats, icon: \.chat, selectedIcon: \.chatSolid)
         chatsTabDetails.navigationSplitCoordinator = chatsSplitCoordinator
         
-        if !flowParameters.appSettings.spacesEnabled {
-            chatsTabDetails.barVisibilityOverride = .hidden
-        }
-        
         let spacesSplitCoordinator = NavigationSplitCoordinator(placeholderCoordinator: PlaceholderScreenCoordinator(hideBrandChrome: flowParameters.appSettings.hideBrandChrome))
         spaceExplorerFlowCoordinator = SpaceExplorerFlowCoordinator(navigationSplitCoordinator: spacesSplitCoordinator,
                                                                     flowParameters: flowParameters)
@@ -289,9 +285,8 @@ class UserSessionFlowCoordinator: FlowCoordinatorProtocol {
             }
             .store(in: &cancellables)
         
-        flowParameters.appSettings.$spacesEnabled
-            .combineLatest(userSession.clientProxy.spaceService.joinedSpacesPublisher)
-            .map { $0 && !$1.isEmpty ? nil : .hidden }
+        userSession.clientProxy.spaceService.joinedSpacesPublisher
+            .map { $0.isEmpty ? .hidden : nil }
             .weakAssign(to: \.chatsTabDetails.barVisibilityOverride, on: self)
             .store(in: &cancellables)
     }

ElementX/Sources/Screens/LocationSharing/View/StaticLocationScreen.swift

@@ -130,7 +130,7 @@ struct StaticLocationScreen: View {
             Image(systemName: "square.and.arrow.up")
         }
     }
-
+    
     @ViewBuilder
     private var shareSheet: some View {
         let location = context.viewState.initialMapCenter
@@ -139,8 +139,17 @@ struct StaticLocationScreen: View {
                         applicationActivities: ShareToMapsAppActivity.MapsAppType.allCases.map { ShareToMapsAppActivity(type: $0, location: location, locationDescription: locationDescription) })
             .edgesIgnoringSafeArea(.bottom)
             .presentationDetents([.medium, .large])
+            .presentationCompactAdaptation(shareSheetCompactPresentation)
             .presentationDragIndicator(.hidden)
     }
+    
+    private var shareSheetCompactPresentation: PresentationAdaptation {
+        if #available(iOS 26.0, *) {
+            .none // ShareLinks use a popover presentation on iOS 26, let it match that.
+        } else {
+            .sheet
+        }
+    }
 }
 
 // MARK: - Previews

ElementX/Sources/Screens/Settings/DeveloperOptionsScreen/DeveloperOptionsScreenModels.swift

@@ -41,7 +41,6 @@ protocol DeveloperOptionsProtocol: AnyObject {
     
     var enableOnlySignedDeviceIsolationMode: Bool { get set }
     var enableKeyShareOnInvite: Bool { get set }
-    var spacesEnabled: Bool { get set }
     var hideQuietNotificationAlerts: Bool { get set }
     
     var hideUnreadMessagesBadge: Bool { get set }

ElementX/Sources/Screens/Settings/DeveloperOptionsScreen/View/DeveloperOptionsScreen.swift

@@ -33,10 +33,6 @@ struct DeveloperOptionsScreen: View {
             }
             
             Section("General") {
-                Toggle(isOn: $context.spacesEnabled) {
-                    Text("Spaces")
-                }
-                
                 Toggle(isOn: $context.nextGenHTMLParserEnabled) {
                     Text("Next gen HTML parsing")
                 }

ElementX/Sources/Screens/Spaces/SpaceScreen/View/SpaceScreen.swift

@@ -55,20 +55,27 @@ struct SpaceScreen: View {
                            mediaProvider: context.mediaProvider)
         }
         
-        ToolbarItemGroup(placement: .secondaryAction) {
-            // FIXME: The ShareLink crashes on iOS 26 due to the share sheet failing to morph out of the button 🤦‍♂️
-            if let permalink = context.viewState.permalink, #unavailable(iOS 26.0) {
-                Section {
-                    ShareLink(item: permalink) {
-                        Label(L10n.actionShare, icon: \.shareIos)
+        // This should really use a ToolbarItemGroup(placement: .secondaryAction), however it
+        // was crashing on iOS 26.0 when tapping the ShareLink as the popover presentation
+        // controller attempts to anchor itself to the button that is no longer visible.
+        ToolbarItem(placement: .primaryAction) {
+            Menu {
+                if let permalink = context.viewState.permalink {
+                    Section {
+                        ShareLink(item: permalink) {
+                            Label(L10n.actionShare, icon: \.shareIos)
+                        }
                     }
                 }
-            }
-            
-            Section {
-                Button(role: .destructive) { context.send(viewAction: .leaveSpace) } label: {
-                    Label(L10n.actionLeaveSpace, icon: \.leave)
+                
+                Section {
+                    Button(role: .destructive) { context.send(viewAction: .leaveSpace) } label: {
+                        Label(L10n.actionLeaveSpace, icon: \.leave)
+                    }
                 }
+            } label: {
+                // Use an SF Symbol to match what ToolbarItemGroup(placement: .secondaryAction) would give us.
+                Image(systemSymbol: .ellipsis)
             }
         }
     }

ElementX/Sources/Services/Room/RoomSummary/RoomSummaryProvider.swift

@@ -118,11 +118,12 @@ class RoomSummaryProvider: RoomSummaryProviderProtocol {
     }
     
     func setFilter(_ filter: RoomSummaryProviderFilter) {
-        let baseFilter: [RoomListEntriesDynamicFilterKind] = if appSettings.spacesEnabled {
+        let baseFilter: [RoomListEntriesDynamicFilterKind] = if #available(iOS 18.0, *) {
             [.any(filters: [.all(filters: [.nonSpace, .nonLeft]),
                             .all(filters: [.space, .invite])]),
              .deduplicateVersions]
         } else {
+            // Don't show space invites on iOS 17 given that the tab bar is disabled due to glitches on iPad.
             [.nonLeft, .nonSpace, .deduplicateVersions]
         }
         

ElementX/Sources/UITests/UITestsAppCoordinator.swift

@@ -584,7 +584,6 @@ class MockScreen: Identifiable {
             appSettings.hasRunIdentityConfirmationOnboarding = true
             appSettings.hasRunNotificationPermissionsOnboarding = true
             appSettings.analyticsConsentState = .optedOut
-            appSettings.spacesEnabled = true
             appSettings.hasSeenSpacesAnnouncement = true
             
             let clientProxy = ClientProxyMock(.init(userID: "@mock:client.com",