mirror of https://github.com/vector-im/riot-web
37 lines
1.4 KiB
TypeScript
37 lines
1.4 KiB
TypeScript
/*
|
|
Copyright 2020 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import { useCallback, useState } from "react";
|
|
import { MatrixClient } from "matrix-js-sdk/src/client";
|
|
import { MatrixEvent } from "matrix-js-sdk/src/models/event";
|
|
import { Room } from "matrix-js-sdk/src/models/room";
|
|
|
|
import { useEventEmitter } from "./useEventEmitter";
|
|
|
|
// Hook to simplify watching whether a Matrix room is encrypted, returns undefined if room is undefined
|
|
export function useIsEncrypted(cli: MatrixClient, room?: Room): boolean | undefined {
|
|
const [isEncrypted, setIsEncrypted] = useState(room ? cli.isRoomEncrypted(room.roomId) : undefined);
|
|
|
|
const update = useCallback((event: MatrixEvent) => {
|
|
if (room && event.getType() === "m.room.encryption") {
|
|
setIsEncrypted(cli.isRoomEncrypted(room.roomId));
|
|
}
|
|
}, [cli, room]);
|
|
useEventEmitter(room ? room.currentState : undefined, "RoomState.events", update);
|
|
|
|
return isEncrypted;
|
|
}
|