Hide "Ask to join" option if Knock feature is disabled.

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/securityandprivacy/SecurityAndPrivacyPresenter.kt

@@ -27,6 +27,8 @@ import io.element.android.libraries.architecture.AsyncData
 import io.element.android.libraries.architecture.Presenter
 import io.element.android.libraries.architecture.runCatchingUpdatingState
 import io.element.android.libraries.architecture.runUpdatingState
+import io.element.android.libraries.featureflag.api.FeatureFlagService
+import io.element.android.libraries.featureflag.api.FeatureFlags
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.room.JoinedRoom
@@ -45,6 +47,7 @@ class SecurityAndPrivacyPresenter(
     @Assisted private val navigator: SecurityAndPrivacyNavigator,
     private val matrixClient: MatrixClient,
     private val room: JoinedRoom,
+    private val featureFlagService: FeatureFlagService,
 ) : Presenter<SecurityAndPrivacyState> {
     @AssistedFactory
     interface Factory {
@@ -55,6 +58,9 @@ class SecurityAndPrivacyPresenter(
     override fun present(): SecurityAndPrivacyState {
         val coroutineScope = rememberCoroutineScope()
 
+        val isKnockEnabled by remember {
+            featureFlagService.isFeatureEnabledFlow(FeatureFlags.Knock)
+        }.collectAsState(false)
         val saveAction = remember { mutableStateOf<AsyncAction<Unit>>(AsyncAction.Uninitialized) }
         val homeserverName = remember { matrixClient.userIdServerName() }
         val syncUpdateFlow = room.syncUpdateFlow.collectAsState()
@@ -149,6 +155,7 @@ class SecurityAndPrivacyPresenter(
             editedSettings = editedSettings,
             homeserverName = homeserverName,
             showEnableEncryptionConfirmation = showEnableEncryptionConfirmation,
+            canUserSelectAskToJoinOption = isKnockEnabled,
             saveAction = saveAction.value,
             permissions = permissions,
             eventSink = ::handleEvents

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/securityandprivacy/SecurityAndPrivacyState.kt

@@ -19,6 +19,7 @@ data class SecurityAndPrivacyState(
     val editedSettings: SecurityAndPrivacySettings,
     val homeserverName: String,
     val showEnableEncryptionConfirmation: Boolean,
+    val canUserSelectAskToJoinOption: Boolean,
     val saveAction: AsyncAction<Unit>,
     private val permissions: SecurityAndPrivacyPermissions,
     val eventSink: (SecurityAndPrivacyEvents) -> Unit

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/securityandprivacy/SecurityAndPrivacyStateProvider.kt

@@ -30,7 +30,8 @@ open class SecurityAndPrivacyStateProvider : PreviewParameterProvider<SecurityAn
             aSecurityAndPrivacyState(
                 savedSettings = aSecurityAndPrivacySettings(
                     roomAccess = SecurityAndPrivacyRoomAccess.SpaceMember
-                )
+                ),
+                canUserSelectAskToJoinOption = false,
             ),
             aSecurityAndPrivacyState(
                 editedSettings = aSecurityAndPrivacySettings(
@@ -83,6 +84,7 @@ fun aSecurityAndPrivacyState(
         canChangeEncryption = true,
         canChangeRoomVisibility = true
     ),
+    canUserSelectAskToJoinOption: Boolean = true,
     eventSink: (SecurityAndPrivacyEvents) -> Unit = {}
 ) = SecurityAndPrivacyState(
     editedSettings = editedSettings,
@@ -90,6 +92,7 @@ fun aSecurityAndPrivacyState(
     homeserverName = homeserverName,
     showEnableEncryptionConfirmation = showEncryptionConfirmation,
     saveAction = saveAction,
+    canUserSelectAskToJoinOption = canUserSelectAskToJoinOption,
     permissions = permissions,
     eventSink = eventSink
 )

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/securityandprivacy/SecurityAndPrivacyView.kt

@@ -81,6 +81,7 @@ fun SecurityAndPrivacyView(
                     modifier = Modifier.padding(top = 24.dp),
                     edited = state.editedSettings.roomAccess,
                     saved = state.savedSettings.roomAccess,
+                    canUserSelectAskToJoinOption = state.canUserSelectAskToJoinOption,
                     onSelectOption = { state.eventSink(SecurityAndPrivacyEvents.ChangeRoomAccess(it)) },
                 )
             }
@@ -176,6 +177,7 @@ private fun SecurityAndPrivacySection(
 private fun RoomAccessSection(
     edited: SecurityAndPrivacyRoomAccess,
     saved: SecurityAndPrivacyRoomAccess,
+    canUserSelectAskToJoinOption: Boolean,
     onSelectOption: (SecurityAndPrivacyRoomAccess) -> Unit,
     modifier: Modifier = Modifier,
 ) {
@@ -189,12 +191,14 @@ private fun RoomAccessSection(
             trailingContent = ListItemContent.RadioButton(selected = edited == SecurityAndPrivacyRoomAccess.InviteOnly),
             onClick = { onSelectOption(SecurityAndPrivacyRoomAccess.InviteOnly) },
         )
-        ListItem(
-            headlineContent = { Text(text = stringResource(R.string.screen_security_and_privacy_ask_to_join_option_title)) },
-            supportingContent = { Text(text = stringResource(R.string.screen_security_and_privacy_ask_to_join_option_description)) },
-            trailingContent = ListItemContent.RadioButton(selected = edited == SecurityAndPrivacyRoomAccess.AskToJoin),
-            onClick = { onSelectOption(SecurityAndPrivacyRoomAccess.AskToJoin) },
-        )
+        if (canUserSelectAskToJoinOption) {
+            ListItem(
+                headlineContent = { Text(text = stringResource(R.string.screen_security_and_privacy_ask_to_join_option_title)) },
+                supportingContent = { Text(text = stringResource(R.string.screen_security_and_privacy_ask_to_join_option_description)) },
+                trailingContent = ListItemContent.RadioButton(selected = edited == SecurityAndPrivacyRoomAccess.AskToJoin),
+                onClick = { onSelectOption(SecurityAndPrivacyRoomAccess.AskToJoin) },
+            )
+        }
         ListItem(
             headlineContent = { Text(text = stringResource(R.string.screen_security_and_privacy_room_access_anyone_option_title)) },
             supportingContent = { Text(text = stringResource(R.string.screen_security_and_privacy_room_access_anyone_option_description)) },

features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/impl/securityandprivacy/SecurityAndPrivacyPresenterTest.kt

@@ -10,6 +10,9 @@ package io.element.android.features.roomdetails.impl.securityandprivacy
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.architecture.AsyncAction
 import io.element.android.libraries.architecture.AsyncData
+import io.element.android.libraries.featureflag.api.FeatureFlagService
+import io.element.android.libraries.featureflag.api.FeatureFlags
+import io.element.android.libraries.featureflag.test.FakeFeatureFlagService
 import io.element.android.libraries.matrix.api.room.history.RoomHistoryVisibility
 import io.element.android.libraries.matrix.api.room.join.JoinRule
 import io.element.android.libraries.matrix.api.roomdirectory.RoomVisibility
@@ -38,6 +41,7 @@ class SecurityAndPrivacyPresenterTest {
                 assertThat(showRoomVisibilitySections).isFalse()
                 assertThat(showHistoryVisibilitySection).isFalse()
                 assertThat(showEncryptionSection).isFalse()
+                assertThat(canUserSelectAskToJoinOption).isFalse()
             }
             with(awaitItem()) {
                 assertThat(editedSettings).isEqualTo(savedSettings)
@@ -48,6 +52,7 @@ class SecurityAndPrivacyPresenterTest {
                 assertThat(showRoomVisibilitySections).isFalse()
                 assertThat(showHistoryVisibilitySection).isTrue()
                 assertThat(showEncryptionSection).isTrue()
+                assertThat(canUserSelectAskToJoinOption).isFalse()
             }
         }
     }
@@ -56,14 +61,14 @@ class SecurityAndPrivacyPresenterTest {
     fun `present - room info change updates saved and edited settings`() = runTest {
         val room = FakeJoinedRoom(
             baseRoom = FakeBaseRoom(
-            canSendStateResult = { _, _ -> Result.success(true) },
-            initialRoomInfo = aRoomInfo(
-                joinRule = JoinRule.Public,
-                historyVisibility = RoomHistoryVisibility.WorldReadable,
-                canonicalAlias = A_ROOM_ALIAS,
+                canSendStateResult = { _, _ -> Result.success(true) },
+                initialRoomInfo = aRoomInfo(
+                    joinRule = JoinRule.Public,
+                    historyVisibility = RoomHistoryVisibility.WorldReadable,
+                    canonicalAlias = A_ROOM_ALIAS,
+                )
             )
         )
-        )
         val presenter = createSecurityAndPrivacyPresenter(room = room)
         presenter.test {
             skipItems(1)
@@ -163,10 +168,10 @@ class SecurityAndPrivacyPresenterTest {
     fun `present - room visibility loading and change`() = runTest {
         val room = FakeJoinedRoom(
             baseRoom = FakeBaseRoom(
-            canSendStateResult = { _, _ -> Result.success(true) },
-            getRoomVisibilityResult = { Result.success(RoomVisibility.Private) },
-            initialRoomInfo = aRoomInfo(historyVisibility = RoomHistoryVisibility.Shared)
-        )
+                canSendStateResult = { _, _ -> Result.success(true) },
+                getRoomVisibilityResult = { Result.success(RoomVisibility.Private) },
+                initialRoomInfo = aRoomInfo(historyVisibility = RoomHistoryVisibility.Shared)
+            )
         )
         val presenter = createSecurityAndPrivacyPresenter(room = room)
         presenter.test {
@@ -212,10 +217,10 @@ class SecurityAndPrivacyPresenterTest {
         val updateRoomHistoryVisibilityLambda = lambdaRecorder<RoomHistoryVisibility, Result<Unit>> { Result.success(Unit) }
         val room = FakeJoinedRoom(
             baseRoom = FakeBaseRoom(
-            canSendStateResult = { _, _ -> Result.success(true) },
-            getRoomVisibilityResult = { Result.success(RoomVisibility.Private) },
-            initialRoomInfo = aRoomInfo(joinRule = JoinRule.Invite, historyVisibility = RoomHistoryVisibility.Shared)
-        ),
+                canSendStateResult = { _, _ -> Result.success(true) },
+                getRoomVisibilityResult = { Result.success(RoomVisibility.Private) },
+                initialRoomInfo = aRoomInfo(joinRule = JoinRule.Invite, historyVisibility = RoomHistoryVisibility.Shared)
+            ),
             enableEncryptionResult = enableEncryptionLambda,
             updateJoinRuleResult = updateJoinRuleLambda,
             updateRoomVisibilityResult = updateRoomVisibilityLambda,
@@ -279,10 +284,10 @@ class SecurityAndPrivacyPresenterTest {
         val updateRoomHistoryVisibilityLambda = lambdaRecorder<RoomHistoryVisibility, Result<Unit>> { Result.success(Unit) }
         val room = FakeJoinedRoom(
             baseRoom = FakeBaseRoom(
-            canSendStateResult = { _, _ -> Result.success(true) },
-            getRoomVisibilityResult = { Result.success(RoomVisibility.Private) },
-            initialRoomInfo = aRoomInfo(historyVisibility = RoomHistoryVisibility.Shared, joinRule = JoinRule.Private)
-        ),
+                canSendStateResult = { _, _ -> Result.success(true) },
+                getRoomVisibilityResult = { Result.success(RoomVisibility.Private) },
+                initialRoomInfo = aRoomInfo(historyVisibility = RoomHistoryVisibility.Shared, joinRule = JoinRule.Private)
+            ),
             enableEncryptionResult = enableEncryptionLambda,
             updateJoinRuleResult = updateJoinRuleLambda,
             updateRoomVisibilityResult = updateRoomVisibilityLambda,
@@ -335,6 +340,21 @@ class SecurityAndPrivacyPresenterTest {
         }
     }
 
+    @Test
+    fun `present - canUserSelectAskToJoinOption is true if the Knock feature flag is enabled`() = runTest {
+        val presenter = createSecurityAndPrivacyPresenter(
+            featureFlagService = FakeFeatureFlagService(
+                initialState = mapOf(
+                    FeatureFlags.Knock.key to true,
+                )
+            )
+        )
+        presenter.test {
+            assertThat(awaitItem().canUserSelectAskToJoinOption).isFalse()
+            assertThat(awaitItem().canUserSelectAskToJoinOption).isTrue()
+        }
+    }
+
     private fun createSecurityAndPrivacyPresenter(
         serverName: String = "matrix.org",
         room: FakeJoinedRoom = FakeJoinedRoom(
@@ -345,13 +365,15 @@ class SecurityAndPrivacyPresenterTest {
             ),
         ),
         navigator: SecurityAndPrivacyNavigator = FakeSecurityAndPrivacyNavigator(),
+        featureFlagService: FeatureFlagService = FakeFeatureFlagService(),
     ): SecurityAndPrivacyPresenter {
         return SecurityAndPrivacyPresenter(
             room = room,
             matrixClient = FakeMatrixClient(
                 userIdServerNameLambda = { serverName },
             ),
-            navigator = navigator
+            navigator = navigator,
+            featureFlagService = featureFlagService,
         )
     }
 }