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Fix room taking long time to load #28579

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merged 1 commit into from
Nov 27, 2024
Merged

Fix room taking long time to load #28579

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32 changes: 17 additions & 15 deletions src/components/structures/RoomView.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -671,6 +671,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
// the RoomView instance
if (initial) {
newState.room = this.context.client!.getRoom(newState.roomId) || undefined;
newState.isRoomEncrypted = null;
if (newState.room) {
newState.showApps = this.shouldShowApps(newState.room);
this.onRoomLoaded(newState.room);
Expand Down Expand Up @@ -713,6 +714,14 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
if (initial) {
this.setupRoom(newState.room, newState.roomId, !!newState.joining, !!newState.shouldPeek);
}

// We don't block the initial setup but we want to make it early to not block the timeline rendering
const isRoomEncrypted = await this.getIsRoomEncrypted(newState.roomId);
this.setState({
isRoomEncrypted,
...(isRoomEncrypted &&
newState.roomId && { e2eStatus: RoomView.e2eStatusCache.get(newState.roomId) ?? E2EStatus.Warning }),
});
};

private onConnectedCalls = (): void => {
Expand Down Expand Up @@ -863,7 +872,7 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
return isManuallyShown && widgets.length > 0;
}

public async componentDidMount(): Promise<void> {
public componentDidMount(): void {
this.unmounted = false;

this.dispatcherRef = defaultDispatcher.register(this.onAction);
Expand Down Expand Up @@ -1482,24 +1491,17 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {

private async updateE2EStatus(room: Room): Promise<void> {
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
// a warning for this case.
let e2eStatus = RoomView.e2eStatusCache.get(room.roomId) ?? E2EStatus.Warning;
// set the state immediately then update, so we don't scare the user into thinking the room is unencrypted
const e2eStatus = await this.cacheAndGetE2EStatus(room, this.context.client);
if (this.unmounted) return;
this.setState({ e2eStatus });

if (this.context.client.getCrypto()) {
/* At this point, the user has encryption on and cross-signing on */
e2eStatus = await this.cacheAndGetE2EStatus(room, this.context.client);
if (this.unmounted) return;
this.setState({ e2eStatus });
}
}

private async cacheAndGetE2EStatus(room: Room, client: MatrixClient): Promise<E2EStatus> {
const e2eStatus = await shieldStatusForRoom(client, room);
let e2eStatus = RoomView.e2eStatusCache.get(room.roomId);
// set the state immediately then update, so we don't scare the user into thinking the room is unencrypted
if (e2eStatus) this.setState({ e2eStatus });

e2eStatus = await shieldStatusForRoom(client, room);
RoomView.e2eStatusCache.set(room.roomId, e2eStatus);
return e2eStatus;
}
Expand Down
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