Introduce a feature flag for the new identity pinning violation notifications feature.

Author: stefanceriu

ElementX/Sources/Application/AppSettings.swift

@@ -46,6 +46,7 @@ final class AppSettings {
         case fuzzyRoomListSearchEnabled
         case pinningEnabled
         case enableOnlySignedDeviceIsolationMode
+        case identityPinningViolationNotificationsEnabled
     }
 
     private static var suiteName: String = InfoPlistReader.main.appGroupIdentifier
@@ -278,6 +279,9 @@ final class AppSettings {
     enum SlidingSyncDiscovery: Codable { case proxy, native, forceNative }
     @UserPreference(key: UserDefaultsKeys.slidingSyncDiscovery, defaultValue: .native, storageType: .userDefaults(store))
     var slidingSyncDiscovery: SlidingSyncDiscovery
+    
+    @UserPreference(key: UserDefaultsKeys.identityPinningViolationNotificationsEnabled, defaultValue: isDevelopmentBuild, storageType: .userDefaults(store))
+    var identityPinningViolationNotificationsEnabled
 
     #endif
 

ElementX/Sources/Screens/RoomScreen/RoomScreenViewModel.swift

@@ -142,7 +142,9 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
         }
         .store(in: &cancellables)
 
-        let identityStatusChangesPublisher = roomProxy.identityStatusChangesPublisher.receive(on: DispatchQueue.main)
+        let identityStatusChangesPublisher = roomProxy.identityStatusChangesPublisher
+            .receive(on: DispatchQueue.main)
+            .filter { [weak self] _ in self?.appSettings.identityPinningViolationNotificationsEnabled ?? false }
 
         Task { [weak self] in
             for await changes in identityStatusChangesPublisher.values {

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

@@ -48,6 +48,7 @@ protocol DeveloperOptionsProtocol: AnyObject {
     var hideTimelineMedia: Bool { get set }
     var enableOnlySignedDeviceIsolationMode: Bool { get set }
     var elementCallBaseURLOverride: URL? { get set }
+    var identityPinningViolationNotificationsEnabled: Bool { get set }
 }
 
 extension AppSettings: DeveloperOptionsProtocol { }

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

@@ -49,6 +49,10 @@ struct DeveloperOptionsScreen: View {
                 Toggle(isOn: $context.hideTimelineMedia) {
                     Text("Hide image & video previews")
                 }
+                
+                Toggle(isOn: $context.identityPinningViolationNotificationsEnabled) {
+                    Text("Identity pinning violation notifications")
+                }
             }
 
             Section {