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connectivity_plus_linux.dart
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connectivity_plus_linux.dart
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import 'dart:async';
import 'package:connectivity_plus_platform_interface/connectivity_plus_platform_interface.dart';
import 'package:meta/meta.dart';
import 'package:nm/nm.dart';
// Used internally
// ignore_for_file: public_member_api_docs
@visibleForTesting
typedef NetworkManagerClientFactory = NetworkManagerClient Function();
/// The Linux implementation of ConnectivityPlatform.
class ConnectivityPlusLinuxPlugin extends ConnectivityPlatform {
/// Register this dart class as the platform implementation for linux
static void registerWith() {
ConnectivityPlatform.instance = ConnectivityPlusLinuxPlugin();
}
/// Checks the connection status of the device.
@override
Future<ConnectivityResult> checkConnectivity() async {
final client = createClient();
await client.connect();
final connectivity = _getConnectivity(client);
await client.close();
return connectivity;
}
NetworkManagerClient? _client;
StreamController<ConnectivityResult>? _controller;
/// Returns a Stream of ConnectivityResults changes.
@override
Stream<ConnectivityResult> get onConnectivityChanged {
_controller ??= StreamController<ConnectivityResult>.broadcast(
onListen: _startListenConnectivity,
onCancel: _stopListenConnectivity,
);
return _controller!.stream;
}
ConnectivityResult _getConnectivity(NetworkManagerClient client) {
if (client.connectivity != NetworkManagerConnectivityState.full) {
return ConnectivityResult.none;
}
if (client.primaryConnectionType.contains('wireless')) {
return ConnectivityResult.wifi;
}
if (client.primaryConnectionType.contains('ethernet')) {
return ConnectivityResult.ethernet;
}
if (client.primaryConnectionType.contains('vpn')) {
return ConnectivityResult.vpn;
}
if (client.primaryConnectionType.contains('bluetooth')) {
return ConnectivityResult.bluetooth;
}
return ConnectivityResult.mobile;
}
Future<void> _startListenConnectivity() async {
_client ??= createClient();
await _client!.connect();
_addConnectivity(_client!);
_client!.propertiesChanged.listen((properties) {
if (properties.contains('Connectivity')) {
_addConnectivity(_client!);
}
});
}
void _addConnectivity(NetworkManagerClient client) {
_controller!.add(_getConnectivity(client));
}
Future<void> _stopListenConnectivity() async {
await _client?.close();
_client = null;
}
@visibleForTesting
// ignore: prefer_function_declarations_over_variables
NetworkManagerClientFactory createClient = () => NetworkManagerClient();
}