Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in `NewRoomIntro.tsx`

src/components/views/rooms/NewRoomIntro.tsx

@@ -30,9 +30,9 @@ import { UIComponent } from "../../../settings/UIFeature";
 import { privateShouldBeEncrypted } from "../../../utils/rooms";
 import { LocalRoom } from "../../../models/LocalRoom";
 import { shouldEncryptRoomWithSingle3rdPartyInvite } from "../../../utils/room/shouldEncryptRoomWithSingle3rdPartyInvite";
+import { useIsEncrypted } from "../../../hooks/useIsEncrypted.ts";
 
-function hasExpectedEncryptionSettings(matrixClient: MatrixClient, room: Room): boolean {
+function hasExpectedEncryptionSettings(matrixClient: MatrixClient, room: Room, isEncrypted: boolean): boolean {
-    const isEncrypted: boolean = matrixClient.isRoomEncrypted(room.roomId);
     const isPublic: boolean = room.getJoinRule() === "public";
     return isPublic || !privateShouldBeEncrypted(matrixClient) || isEncrypted;
 }
@@ -52,11 +52,15 @@ const determineIntroMessage = (room: Room, encryptedSingle3rdPartyInvite: boolea
 const NewRoomIntro: React.FC = () => {
     const cli = useContext(MatrixClientContext);
     const { room, roomId } = useContext(RoomContext);
+    const isEncrypted = useIsEncrypted(cli, room);
+    const isEncryptionLoading = isEncrypted === null;
 
     if (!room || !roomId) {
         throw new Error("Unable to create a NewRoomIntro without room and roomId");
     }
 
+    if (isEncryptionLoading) return null;
+
     const isLocalRoom = room instanceof LocalRoom;
     const dmPartner = isLocalRoom ? room.targets[0]?.userId : DMRoomMap.shared().getUserIdForRoomId(roomId);
 
@@ -282,7 +286,7 @@ const NewRoomIntro: React.FC = () => {
 
     return (
         <li className="mx_NewRoomIntro">
-            {!hasExpectedEncryptionSettings(cli, room) && (
+            {!hasExpectedEncryptionSettings(cli, room, isEncrypted) && (
                 <EventTileBubble
                     className="mx_cryptoEvent mx_cryptoEvent_icon_warning"
                     title={_t("room|intro|unencrypted_warning")}

test/unit-tests/components/structures/RoomView-test.tsx

@@ -353,6 +353,13 @@ describe("RoomView", () => {
         });
 
         describe("in state NEW", () => {
+            beforeEach(() => {
+                jest.spyOn(cli, "getCrypto").mockReturnValue(crypto);
+                jest.spyOn(cli.getCrypto()!, "getUserVerificationStatus").mockResolvedValue(
+                    new UserVerificationStatus(false, true, false),
+                );
+            });
+
             it("should match the snapshot", async () => {
                 const { container } = await renderRoomView();
                 expect(container).toMatchSnapshot();
@@ -362,11 +369,7 @@ describe("RoomView", () => {
                 beforeEach(() => {
                     // Not all the calls to cli.isRoomEncrypted are migrated, so we need to mock both.
                     mocked(cli.isRoomEncrypted).mockReturnValue(true);
-                    jest.spyOn(cli, "getCrypto").mockReturnValue(crypto);
                     jest.spyOn(cli.getCrypto()!, "isEncryptionEnabledInRoom").mockResolvedValue(true);
-                    jest.spyOn(cli.getCrypto()!, "getUserVerificationStatus").mockResolvedValue(
-                        new UserVerificationStatus(false, true, false),
-                    );
                     localRoom.encrypted = true;
                     localRoom.currentState.setStateEvents([
                         new MatrixEvent({
@@ -399,6 +402,11 @@ describe("RoomView", () => {
         describe("in state ERROR", () => {
             beforeEach(async () => {
                 localRoom.state = LocalRoomState.ERROR;
+
+                jest.spyOn(cli, "getCrypto").mockReturnValue(crypto);
+                jest.spyOn(cli.getCrypto()!, "getUserVerificationStatus").mockResolvedValue(
+                    new UserVerificationStatus(false, true, false),
+                );
             });
 
             it("should match the snapshot", async () => {

test/unit-tests/components/views/rooms/NewRoomIntro-test.tsx

@@ -10,6 +10,7 @@ Please see LICENSE files in the repository root for full details.
 import React from "react";
 import { render, screen } from "jest-matrix-react";
 import { MatrixClient, Room } from "matrix-js-sdk/src/matrix";
+import { waitFor } from "@testing-library/dom";
 
 import { LocalRoom } from "../../../../../src/models/LocalRoom";
 import { filterConsole, mkRoomMemberJoinEvent, mkThirdPartyInviteEvent, stubClient } from "../../../../test-utils";
@@ -56,7 +57,7 @@ describe("NewRoomIntro", () => {
         });
     });
 
-    it("should render as expected for a DM room with a single third-party invite", () => {
+    it("should render as expected for a DM room with a single third-party invite", async () => {
         const room = new Room(roomId, client, client.getSafeUserId());
         room.currentState.setStateEvents([
             mkRoomMemberJoinEvent(client.getSafeUserId(), room.roomId),
@@ -66,7 +67,9 @@ describe("NewRoomIntro", () => {
         jest.spyOn(DMRoomMap.shared(), "getRoomIds").mockReturnValue(new Set([room.roomId]));
         renderNewRoomIntro(client, room);
 
-        expect(screen.getByText("Once everyone has joined, you’ll be able to chat")).toBeInTheDocument();
+        await waitFor(() =>
+            expect(screen.getByText("Once everyone has joined, you’ll be able to chat")).toBeInTheDocument(),
+        );
         expect(
             screen.queryByText(
                 "Only the two of you are in this conversation, unless either of you invites anyone to join.",