Use Profiles sliding sync extension check for own profile subscription (#7403)

* Use Profiles sliding sync extension check for own profile subscription

---------

Co-authored-by: Jorge Martin Espinosa <jorgem@element.io>

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

@@ -245,6 +245,9 @@ interface MatrixClient : ClientUrlContentFetcher {
     /** Whether the homeserver advertises support for user status (MSC4426). */
     suspend fun isUserStatusSupported(): Result<Boolean>
 
+    /** Whether the homeserver advertises support for the Profiles sliding sync extension (MSC4262). */
+    suspend fun isProfilesSlidingSyncExtensionSupported(): Result<Boolean>
+
     /**
      * Enable or disable automatically setting the user's status to "in a call" (m.call) while in a call.
      *

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

@@ -326,7 +326,9 @@ class RustMatrixClient(
     }
 
     private suspend fun setupUserProfile() {
-        val supported = isUserStatusSupported().getOrDefault(false)
+        // Subscribing to own profile updates only requires the Profiles sliding sync extension,
+        // not the full user status capability (which also needs the status profile field to be settable).
+        val supported = isProfilesSlidingSyncExtensionSupported().getOrDefault(false)
         if (supported) {
             // No need to seed the data here, it's already stored by the sdk.
             ownProfileTaskHandle = innerClient.subscribeToOwnProfile(ownProfileListener)
@@ -536,6 +538,12 @@ class RustMatrixClient(
         }
     }
 
+    override suspend fun isProfilesSlidingSyncExtensionSupported(): Result<Boolean> = withContext(sessionDispatcher) {
+        runCatchingExceptions {
+            innerClient.isProfilesSlidingSyncExtensionSupported()
+        }
+    }
+
     override fun enableAutomaticCallStatus(enabled: Boolean) {
         innerClient.enableAutomaticCallStatus(enabled)
     }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiClient.kt

@@ -61,6 +61,7 @@ class FakeFfiClient(
     private val accountDataResult: (String) -> String? = { lambdaError() },
     private val setAccountDataResult: (String, String) -> Unit = { _, _ -> lambdaError() },
     private val isUserStatusSupportedResult: () -> Boolean = { false },
+    private val isProfilesSlidingSyncExtensionSupportedResult: () -> Boolean = { false },
     private val subscribeToOwnProfileResult: (ProfileListener) -> Unit = {},
     private val getUrlResult: (String) -> ByteArray = { lambdaError() },
     private val closeResult: () -> Unit = {},
@@ -103,6 +104,8 @@ class FakeFfiClient(
 
     override suspend fun isUserStatusSupported(): Boolean = isUserStatusSupportedResult()
 
+    override suspend fun isProfilesSlidingSyncExtensionSupported(): Boolean = isProfilesSlidingSyncExtensionSupportedResult()
+
     override fun subscribeToOwnProfile(listener: ProfileListener): TaskHandle {
         subscribeToOwnProfileResult(listener)
         return FakeFfiTaskHandle()

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/FakeMatrixClient.kt

@@ -149,6 +149,7 @@ class FakeMatrixClient(
     var setUserStatusResult: Result<Unit> = Result.success(Unit)
     var clearUserStatusResult: Result<Unit> = Result.success(Unit)
     var isUserStatusSupportedResult: Result<Boolean> = Result.success(true)
+    var isProfilesSlidingSyncExtensionSupportedResult: Result<Boolean> = Result.success(true)
 
     private val _userProfile: MutableStateFlow<MatrixUser> = MutableStateFlow(MatrixUser(sessionId, userDisplayName, userAvatarUrl))
     override val userProfile: StateFlow<MatrixUser> = _userProfile
@@ -295,6 +296,8 @@ class FakeMatrixClient(
 
     override suspend fun isUserStatusSupported(): Result<Boolean> = isUserStatusSupportedResult
 
+    override suspend fun isProfilesSlidingSyncExtensionSupported(): Result<Boolean> = isProfilesSlidingSyncExtensionSupportedResult
+
     override fun enableAutomaticCallStatus(enabled: Boolean) = enableAutomaticCallStatusLambda(enabled)
 
     override suspend fun joinRoom(roomId: RoomId): Result<RoomInfo?> = joinRoomLambda(roomId)