handle reduced accuracy authorization case

ElementX/Sources/Mocks/CLLocationManagerMock.swift

@@ -10,11 +10,13 @@ import CoreLocation
 extension CLLocationManagerMock {
     struct Configuration {
         var authorizationStatus: CLAuthorizationStatus = .authorizedAlways
+        var accuracyAuthorization: CLAccuracyAuthorization = .fullAccuracy
     }
     
     convenience init(_ configuration: Configuration) {
         self.init()
         
         underlyingAuthorizationStatus = configuration.authorizationStatus
+        underlyingAccuracyAuthorization = configuration.accuracyAuthorization
     }
 }

ElementX/Sources/Mocks/Generated/GeneratedMocks.swift

@@ -2214,6 +2214,11 @@ class CLLocationManagerMock: CLLocationManagerProtocol, @unchecked Sendable {
         set(value) { underlyingAuthorizationStatus = value }
     }
     var underlyingAuthorizationStatus: CLAuthorizationStatus!
+    var accuracyAuthorization: CLAccuracyAuthorization {
+        get { return underlyingAccuracyAuthorization }
+        set(value) { underlyingAccuracyAuthorization = value }
+    }
+    var underlyingAccuracyAuthorization: CLAccuracyAuthorization!
 
     //MARK: - requestAlwaysAuthorization
 
@@ -2320,6 +2325,76 @@ class CLLocationManagerMock: CLLocationManagerProtocol, @unchecked Sendable {
         stopUpdatingLocationCallsCount += 1
         stopUpdatingLocationClosure?()
     }
+    //MARK: - startMonitoringSignificantLocationChanges
+
+    var startMonitoringSignificantLocationChangesUnderlyingCallsCount = 0
+    var startMonitoringSignificantLocationChangesCallsCount: Int {
+        get {
+            if Thread.isMainThread {
+                return startMonitoringSignificantLocationChangesUnderlyingCallsCount
+            } else {
+                var returnValue: Int? = nil
+                DispatchQueue.main.sync {
+                    returnValue = startMonitoringSignificantLocationChangesUnderlyingCallsCount
+                }
+
+                return returnValue!
+            }
+        }
+        set {
+            if Thread.isMainThread {
+                startMonitoringSignificantLocationChangesUnderlyingCallsCount = newValue
+            } else {
+                DispatchQueue.main.sync {
+                    startMonitoringSignificantLocationChangesUnderlyingCallsCount = newValue
+                }
+            }
+        }
+    }
+    var startMonitoringSignificantLocationChangesCalled: Bool {
+        return startMonitoringSignificantLocationChangesCallsCount > 0
+    }
+    var startMonitoringSignificantLocationChangesClosure: (() -> Void)?
+
+    func startMonitoringSignificantLocationChanges() {
+        startMonitoringSignificantLocationChangesCallsCount += 1
+        startMonitoringSignificantLocationChangesClosure?()
+    }
+    //MARK: - stopMonitoringSignificantLocationChanges
+
+    var stopMonitoringSignificantLocationChangesUnderlyingCallsCount = 0
+    var stopMonitoringSignificantLocationChangesCallsCount: Int {
+        get {
+            if Thread.isMainThread {
+                return stopMonitoringSignificantLocationChangesUnderlyingCallsCount
+            } else {
+                var returnValue: Int? = nil
+                DispatchQueue.main.sync {
+                    returnValue = stopMonitoringSignificantLocationChangesUnderlyingCallsCount
+                }
+
+                return returnValue!
+            }
+        }
+        set {
+            if Thread.isMainThread {
+                stopMonitoringSignificantLocationChangesUnderlyingCallsCount = newValue
+            } else {
+                DispatchQueue.main.sync {
+                    stopMonitoringSignificantLocationChangesUnderlyingCallsCount = newValue
+                }
+            }
+        }
+    }
+    var stopMonitoringSignificantLocationChangesCalled: Bool {
+        return stopMonitoringSignificantLocationChangesCallsCount > 0
+    }
+    var stopMonitoringSignificantLocationChangesClosure: (() -> Void)?
+
+    func stopMonitoringSignificantLocationChanges() {
+        stopMonitoringSignificantLocationChangesCallsCount += 1
+        stopMonitoringSignificantLocationChangesClosure?()
+    }
 }
 class CXProviderMock: CXProviderProtocol, @unchecked Sendable {
 

ElementX/Sources/Services/Location/CLLocationManagerProtocol.swift

@@ -16,10 +16,13 @@ protocol CLLocationManagerProtocol: AnyObject {
     var desiredAccuracy: CLLocationAccuracy { get set }
     var distanceFilter: CLLocationDistance { get set }
     var authorizationStatus: CLAuthorizationStatus { get }
+    var accuracyAuthorization: CLAccuracyAuthorization { get }
     
     func requestAlwaysAuthorization()
     func startUpdatingLocation()
     func stopUpdatingLocation()
+    func startMonitoringSignificantLocationChanges()
+    func stopMonitoringSignificantLocationChanges()
 }
 
 extension CLLocationManager: CLLocationManagerProtocol { }

ElementX/Sources/Services/Location/LiveLocationManager.swift

@@ -9,11 +9,20 @@ import Combine
 import CoreLocation
 
 class LiveLocationManager: NSObject, LiveLocationManagerProtocol, CLLocationManagerDelegate {
+    enum LiveState {
+        case full
+        case limited
+        case off
+    }
+    
     private let clientProxy: ClientProxyProtocol
     private let locationManager: CLLocationManagerProtocol
     private let appSettings: AppSettings
     
     private let authorizationStatusSubject: CurrentValueSubject<CLAuthorizationStatus, Never>
+    var authorizationStatus: CurrentValuePublisher<CLAuthorizationStatus, Never> {
+        authorizationStatusSubject.asCurrentValuePublisher()
+    }
     
     /// Cached joined room proxies keyed by room ID, kept in sync with the active sessions dictionary.
     private var activeRoomProxies = [String: JoinedRoomProxyProtocol]()
@@ -23,9 +32,7 @@ class LiveLocationManager: NSObject, LiveLocationManagerProtocol, CLLocationMana
     
     private var cancellables = Set<AnyCancellable>()
     
-    var authorizationStatus: CurrentValuePublisher<CLAuthorizationStatus, Never> {
-        authorizationStatusSubject.asCurrentValuePublisher()
-    }
+    private var liveState = LiveState.off
     
     @MainActor
     init(clientProxy: ClientProxyProtocol,
@@ -118,6 +125,19 @@ class LiveLocationManager: NSObject, LiveLocationManagerProtocol, CLLocationMana
             stopAllSessions()
         }
         
+        switch (liveState, manager.accuracyAuthorization) {
+        // If accuracy authorization changed while updates are active, start and stop to switch update method.
+        case (.full, .reducedAccuracy), (.limited, .fullAccuracy):
+            stopUpdatingLocation()
+            if manager.accuracyAuthorization == .fullAccuracy {
+                // The system has forced reduced desired accuracy so we need to restore the desired value by the user.
+                setupMinimumDistance(appSettings.liveLocationMinimumDistanceUpdate)
+            }
+            startUpdatingLocation()
+        default:
+            break
+        }
+        
         authorizationStatusSubject.send(manager.authorizationStatus)
     }
     
@@ -201,22 +221,30 @@ class LiveLocationManager: NSObject, LiveLocationManagerProtocol, CLLocationMana
         locationManager.distanceFilter = CLLocationDistance(minimumDistance)
     }
     
-    private var isUpdating = false
-    
     private func startUpdatingLocation() {
-        guard !isUpdating else { return }
-        isUpdating = true
+        guard liveState == .off else { return }
         
-        MXLog.info("Starting live location updates via delegate")
-        locationManager.startUpdatingLocation()
+        if locationManager.accuracyAuthorization == .fullAccuracy {
+            MXLog.info("Starting live location updates with full accuracy")
+            liveState = .full
+            locationManager.startUpdatingLocation()
+        } else {
+            MXLog.info("Starting live location updates with significant changes (reduced accuracy)")
+            liveState = .limited
+            locationManager.startMonitoringSignificantLocationChanges()
+        }
     }
     
     private func stopUpdatingLocation() {
-        guard isUpdating else { return }
-        isUpdating = false
+        if liveState == .full {
+            MXLog.info("Stopping live location updates (full accuracy)")
+            locationManager.stopUpdatingLocation()
+        } else if liveState == .limited {
+            MXLog.info("Stopping live location updates (reduced accuracy)")
+            locationManager.stopMonitoringSignificantLocationChanges()
+        }
         
-        MXLog.info("Stopping live location updates")
-        locationManager.stopUpdatingLocation()
+        liveState = .off
     }
     
     private func sendLocationToActiveRooms(_ coordinate: CLLocationCoordinate2D) async {

UnitTests/Sources/LiveLocationManagerTests.swift

@@ -42,6 +42,8 @@ final class LiveLocationManagerTests {
         #expect(roomProxy.startLiveLocationShareDurationCalled)
         #expect(!roomProxy.stopLiveLocationShareCalled)
         #expect(appSettings.liveLocationSharingTimeoutDatesByRoomID["!room:matrix.org"] != nil)
+        #expect(locationManagerMock.startUpdatingLocationCalled)
+        #expect(!locationManagerMock.startMonitoringSignificantLocationChangesCalled)
     }
     
     @Test
@@ -131,6 +133,10 @@ final class LiveLocationManagerTests {
         
         #expect(roomProxy.stopLiveLocationShareCalled)
         #expect(appSettings.liveLocationSharingTimeoutDatesByRoomID["!room:matrix.org"] == nil)
+        // Setting the timeout date above starts tracking; removing it stops tracking.
+        #expect(locationManagerMock.startUpdatingLocationCalled)
+        #expect(locationManagerMock.stopUpdatingLocationCalled)
+        #expect(!locationManagerMock.stopMonitoringSignificantLocationChangesCalled)
     }
     
     @Test
@@ -156,6 +162,26 @@ final class LiveLocationManagerTests {
         #expect(appSettings.liveLocationSharingTimeoutDatesByRoomID["!room2:matrix.org"] != nil)
     }
     
+    // MARK: - Reduced accuracy
+    
+    @Test
+    func startLiveLocationInReducedAccuracyMode() async throws {
+        locationManagerMock.underlyingAccuracyAuthorization = .reducedAccuracy
+        let roomProxy = makeRoomProxy(roomID: "!room:matrix.org")
+        clientProxy.roomForIdentifierClosure = { _ in .joined(roomProxy) }
+        
+        let result = await manager.startLiveLocation(roomID: "!room:matrix.org", duration: .seconds(300))
+        try result.get()
+        
+        #expect(locationManagerMock.startMonitoringSignificantLocationChangesCalled)
+        #expect(!locationManagerMock.startUpdatingLocationCalled)
+        
+        await manager.stopLiveLocation(roomID: "!room:matrix.org")
+        
+        #expect(locationManagerMock.stopMonitoringSignificantLocationChangesCalled)
+        #expect(!locationManagerMock.stopUpdatingLocationCalled)
+    }
+    
     // MARK: - Private
     
     private func makeRoomProxy(roomID: String) -> JoinedRoomProxyMock {