jiti-meet/react/features/base/net-info/NetworkInfoService.native.js

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// @flow
import NetInfo from '@react-native-community/netinfo';
import type { NetInfoState, NetInfoSubscription } from '@react-native-community/netinfo';
2020-05-20 10:57:03 +00:00
import EventEmitter from 'events';
import { ONLINE_STATE_CHANGED_EVENT } from './events';
import type { NetworkInfo } from './types';
/**
* The network info service implementation for iOS and Android. 'react-native-netinfo' seems to support windows as well,
* but that has not been tested and is nto used by jitsi-meet.
*/
export default class NetworkInfoService extends EventEmitter {
/**
* Stores the native subscription for future cleanup.
*/
_subscription: NetInfoSubscription;
/**
* Converts library's structure to {@link NetworkInfo} used by jitsi-meet.
*
* @param {NetInfoState} netInfoState - The new state given by the native library.
* @private
* @returns {NetworkInfo}
*/
static _convertNetInfoState(netInfoState: NetInfoState): NetworkInfo {
return {
isOnline: netInfoState.isInternetReachable,
details: netInfoState.details,
networkType: netInfoState.type
};
}
/**
* Checks for support.
*
* @returns {boolean}
*/
static isSupported() {
return Boolean(NetInfo);
}
/**
* Starts the service.
*
* @returns {void}
*/
start() {
this._subscription = NetInfo.addEventListener(netInfoState => {
this.emit(ONLINE_STATE_CHANGED_EVENT, NetworkInfoService._convertNetInfoState(netInfoState));
});
}
/**
* Stops the service.
*
* @returns {void}
*/
stop() {
if (this._subscription) {
this._subscription();
this._subscription = undefined;
}
}
}