@itwin/presentation-frontend
Version:
Frontend of iModel.js Presentation library
47 lines • 2.02 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module Core
*/
import { BeEvent } from "@itwin/core-bentley";
import { InternetConnectivityStatus } from "@itwin/core-common";
import { NativeApp } from "@itwin/core-frontend";
/**
* A helper that wraps connectivity-related APIs in NativeApp
* to give a unified information for interested parties in presentation.
*
* @internal
*/
export class ConnectivityInformationProvider {
constructor() {
this.onInternetConnectivityChanged = new BeEvent();
this.onNativeAppInternetConnectivityChanged = (status) => {
if (this._currentStatus === status) {
return;
}
this._currentStatus = status;
this.onInternetConnectivityChanged.raiseEvent({ status });
};
if (NativeApp.isValid) {
this._unsubscribeFromInternetConnectivityChangedEvent = NativeApp.onInternetConnectivityChanged.addListener(this.onNativeAppInternetConnectivityChanged);
// eslint-disable-next-line @typescript-eslint/no-floating-promises
NativeApp.checkInternetConnectivity().then((status) => {
if (undefined === this._currentStatus) {
this._currentStatus = status;
}
});
}
else {
this._currentStatus = InternetConnectivityStatus.Online;
}
}
dispose() {
this._unsubscribeFromInternetConnectivityChangedEvent && this._unsubscribeFromInternetConnectivityChangedEvent();
}
get status() {
return this._currentStatus ?? InternetConnectivityStatus.Offline;
}
}
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