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cinny/src/app/hooks/useCallError.ts
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import { useCallback, useEffect, useRef, useState } from 'react';
import { SyncState } from 'matrix-js-sdk';
import { CALL_ERROR_CHANGED, CallControl } from '../plugins/call/CallControl';
import { CallErrorState } from '../plugins/call/callError';
import { useMatrixClient } from './useMatrixClient';
import { useSyncState } from './useSyncState';
/** [Gitea #318] The fork's current call error (null while the call is fine). */
export function useCallError(control: CallControl): CallErrorState {
const [err, setErr] = useState(control.callError);
useEffect(() => {
const on = () => setErr(control.callError);
on();
control.on(CALL_ERROR_CHANGED, on);
return () => {
control.off(CALL_ERROR_CHANGED, on);
};
}, [control]);
return err;
}
/**
* [Gitea #318] After a homeserver stall the call drops with "Connection
* lost". Once sync is back, reconnect automatically (once per drop).
*/
export function useReconnectWhenSynced(control: CallControl): void {
const mx = useMatrixClient();
const err = useCallError(control);
const tried = useRef<CallErrorState>(null);
useSyncState(
mx,
useCallback(
(state: SyncState | null) => {
if (state !== SyncState.Syncing || !err?.recoverable || tried.current === err) return;
tried.current = err;
control.reconnect();
},
[err, control],
),
);
}