Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in RoomView

src/components/structures/RoomView.tsx

@@ -233,6 +233,10 @@ export interface IRoomState {
     liveTimeline?: EventTimeline;
     narrow: boolean;
     msc3946ProcessDynamicPredecessor: boolean;
+    /**
+     * Wether the room is encrypted or not.
+     */
+    isRoomEncrypted: boolean;
 
     canAskToJoin: boolean;
     promptAskToJoin: boolean;
@@ -417,6 +421,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
             canAskToJoin: this.askToJoinEnabled,
             promptAskToJoin: false,
             viewRoomOpts: { buttons: [] },
+            isRoomEncrypted: false,
         };
     }
 
@@ -847,7 +852,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         return isManuallyShown && widgets.length > 0;
     }
 
-    public componentDidMount(): void {
+    public async componentDidMount(): Promise<void> {
         this.unmounted = false;
 
         this.dispatcherRef = defaultDispatcher.register(this.onAction);
@@ -914,6 +919,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         const callState = call?.state;
         this.setState({
             callState,
+            isRoomEncrypted: await this.getIsRoomEncrypted(),
         });
 
         this.context.legacyCallHandler.on(LegacyCallHandlerEvent.CallState, this.onCallState);
@@ -1377,6 +1383,13 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         return room?.currentState.getStateEvents(EventType.RoomTombstone, "") ?? undefined;
     }
 
+    private async getIsRoomEncrypted(roomId = this.state.roomId): Promise<boolean> {
+        const crypto = this.context.client?.getCrypto();
+        if (!crypto || !roomId) return false;
+
+        return await crypto.isEncryptionEnabledInRoom(roomId);
+    }
+
     private async calculateRecommendedVersion(room: Room): Promise<void> {
         const upgradeRecommendation = await room.getRecommendedVersion();
         if (this.unmounted) return;
@@ -1411,7 +1424,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
 
     private updatePreviewUrlVisibility({ roomId }: Room): void {
         // URL Previews in E2EE rooms can be a privacy leak so use a different setting which is per-room explicit
-        const key = this.context.client?.isRoomEncrypted(roomId) ? "urlPreviewsEnabled_e2ee" : "urlPreviewsEnabled";
+        const key = this.state.isRoomEncrypted ? "urlPreviewsEnabled_e2ee" : "urlPreviewsEnabled";
         this.setState({
             showUrlPreview: SettingsStore.getValue(key, roomId),
         });
@@ -1456,7 +1469,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
     };
 
     private async updateE2EStatus(room: Room): Promise<void> {
-        if (!this.context.client?.isRoomEncrypted(room.roomId)) return;
+        if (!this.context.client || !this.state.isRoomEncrypted) return;
 
         // If crypto is not currently enabled, we aren't tracking devices at all,
         // so we don't know what the answer is. Let's error on the safe side and show
@@ -1480,7 +1493,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         }
     };
 
-    private onRoomStateEvents = (ev: MatrixEvent, state: RoomState): void => {
+    private onRoomStateEvents = async (ev: MatrixEvent, state: RoomState): Promise<void> => {
         // ignore if we don't have a room yet
         if (!this.state.room || this.state.room.roomId !== state.roomId) return;
 
@@ -1488,7 +1501,9 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
             case EventType.RoomTombstone:
                 this.setState({ tombstone: this.getRoomTombstone() });
                 break;
-
+            case EventType.RoomEncryption:
+                this.setState({ isRoomEncrypted: await this.getIsRoomEncrypted() });
+                break;
             default:
                 this.updatePermissions(this.state.room);
         }
@@ -2247,7 +2262,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
                     searchInfo={this.state.search}
                     onCancelClick={this.onCancelSearchClick}
                     onSearchScopeChange={this.onSearchScopeChange}
-                    isRoomEncrypted={this.context.client.isRoomEncrypted(this.state.room.roomId)}
+                    isRoomEncrypted={this.state.isRoomEncrypted}
                 />
             );
         } else if (showRoomUpgradeBar) {

test/test-utils/test-utils.ts

@@ -117,7 +117,7 @@ export function createTestClient(): MatrixClient {
 
         getCrypto: jest.fn().mockReturnValue({
             getOwnDeviceKeys: jest.fn(),
-            getUserDeviceInfo: jest.fn(),
+            getUserDeviceInfo: jest.fn().mockResolvedValue(new Map()),
             getUserVerificationStatus: jest.fn(),
             getDeviceVerificationStatus: jest.fn(),
             resetKeyBackup: jest.fn(),

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

@@ -87,8 +87,7 @@ describe("RoomView", () => {
 
     beforeEach(() => {
         mockPlatformPeg({ reload: () => {} });
-        stubClient();
-        cli = mocked(MatrixClientPeg.safeGet());
+        cli = mocked(stubClient());
 
         room = new Room(`!${roomCount++}:example.org`, cli, "@alice:example.org");
         jest.spyOn(room, "findPredecessor");
@@ -247,8 +246,9 @@ describe("RoomView", () => {
 
     it("updates url preview visibility on encryption state change", async () => {
         room.getMyMembership = jest.fn().mockReturnValue(KnownMembership.Join);
+        jest.spyOn(cli, "getCrypto").mockReturnValue(crypto);
         // we should be starting unencrypted
-        expect(cli.isRoomEncrypted(room.roomId)).toEqual(false);
+        expect(await cli.getCrypto()?.isEncryptionEnabledInRoom(room.roomId)).toEqual(false);
 
         const roomViewInstance = await getRoomViewInstance();
 
@@ -263,7 +263,7 @@ describe("RoomView", () => {
         expect(roomViewInstance.state.showUrlPreview).toBe(true);
 
         // now enable encryption
-        cli.isRoomEncrypted.mockReturnValue(true);
+        jest.spyOn(cli.getCrypto()!, "isEncryptionEnabledInRoom").mockResolvedValue(true);
 
         // and fake an encryption event into the room to prompt it to re-check
         await act(() =>
@@ -427,7 +427,8 @@ describe("RoomView", () => {
             ]);
             jest.spyOn(DMRoomMap.shared(), "getUserIdForRoomId").mockReturnValue(cli.getSafeUserId());
             jest.spyOn(DMRoomMap.shared(), "getRoomIds").mockReturnValue(new Set([room.roomId]));
-            mocked(cli).isRoomEncrypted.mockReturnValue(true);
+            jest.spyOn(cli, "getCrypto").mockReturnValue(crypto);
+            jest.spyOn(cli.getCrypto()!, "isEncryptionEnabledInRoom").mockResolvedValue(true);
             await renderRoomView();
         });