47 lines
1.7 KiB
TypeScript
47 lines
1.7 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2023 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import { MatrixClient, Room, RoomStateEvent } from "matrix-js-sdk/src/matrix";
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import { useEffect, useMemo, useState } from "react";
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import { throttle } from "lodash";
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import { CryptoEvent } from "matrix-js-sdk/src/crypto-api";
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import { E2EStatus, shieldStatusForRoom } from "../utils/ShieldUtils";
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import { useTypedEventEmitter } from "./useEventEmitter";
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export function useEncryptionStatus(client: MatrixClient, room: Room): E2EStatus | null {
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const [e2eStatus, setE2eStatus] = useState<E2EStatus | null>(null);
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const updateEncryptionStatus = useMemo(
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() =>
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throttle(
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() => {
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if (client.getCrypto()) {
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shieldStatusForRoom(client, room).then((e2eStatus) => {
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setE2eStatus(e2eStatus);
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});
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}
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},
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250,
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{ leading: true, trailing: true },
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),
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[client, room],
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);
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useEffect(updateEncryptionStatus, [updateEncryptionStatus]);
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// shieldStatusForRoom depends on the room membership, each member's trust
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// status for each member, and each member's devices, so we update the
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// status whenever any of those changes.
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useTypedEventEmitter(room, RoomStateEvent.Members, updateEncryptionStatus);
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useTypedEventEmitter(client, CryptoEvent.UserTrustStatusChanged, updateEncryptionStatus);
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useTypedEventEmitter(client, CryptoEvent.DevicesUpdated, updateEncryptionStatus);
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return e2eStatus;
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}
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