signal-desktop/ts/services/networkObserver.ts
2022-01-03 13:44:04 -08:00

45 lines
1.3 KiB
TypeScript

// Copyright 2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type {
CheckNetworkStatusPayloadType,
NetworkActionType,
} from '../state/ducks/network';
import { getSocketStatus } from '../shims/socketStatus';
import * as log from '../logging/log';
import { SECOND } from '../util/durations';
import { SocketStatus } from '../types/SocketStatus';
type NetworkActions = {
checkNetworkStatus: (x: CheckNetworkStatusPayloadType) => NetworkActionType;
closeConnectingGracePeriod: () => NetworkActionType;
};
export function initializeNetworkObserver(
networkActions: NetworkActions
): void {
log.info('Initializing network observer');
const refresh = () => {
const socketStatus = getSocketStatus();
if (socketStatus === SocketStatus.CLOSED) {
// If we couldn't connect during startup - we should still switch SQL to
// the main process to avoid stalling UI.
window.Signal.Data.goBackToMainProcess();
}
networkActions.checkNetworkStatus({
isOnline: navigator.onLine,
socketStatus,
});
};
window.Whisper.events.on('socketStatusChange', refresh);
window.addEventListener('online', refresh);
window.addEventListener('offline', refresh);
window.setTimeout(() => {
networkActions.closeConnectingGracePeriod();
}, 5 * SECOND);
}