veilid/veilid-flutter/lib/veilid_js.dart
John Smith 72b03939ef fixes
2022-09-09 16:27:13 -04:00

98 lines
2.8 KiB
Dart

import 'veilid.dart';
import 'dart:html' as html;
import 'dart:js' as js;
import 'dart:js_util' as js_util;
import 'dart:async';
import 'dart:convert';
//////////////////////////////////////////////////////////
Veilid getVeilid() => VeilidJS();
Object wasm = js_util.getProperty(html.window, "veilid_wasm");
Future<T> _wrapApiPromise<T>(Object p) {
return js_util.promiseToFuture(p).then((value) => value as T).catchError(
(error) => Future<T>.error(
VeilidAPIException.fromJson(jsonDecode(error as String))));
}
class VeilidJS implements Veilid {
@override
void initializeVeilidCore(Map<String, dynamic> platformConfigJson) {
var platformConfigJsonString =
jsonEncode(platformConfigJson, toEncodable: veilidApiToEncodable);
js_util
.callMethod(wasm, "initialize_veilid_core", [platformConfigJsonString]);
}
@override
void changeLogLevel(String layer, VeilidConfigLogLevel logLevel) {
var logLevelJsonString =
jsonEncode(logLevel.json, toEncodable: veilidApiToEncodable);
js_util.callMethod(wasm, "change_log_level", [layer, logLevelJsonString]);
}
@override
Future<Stream<VeilidUpdate>> startupVeilidCore(VeilidConfig config) async {
var streamController = StreamController<VeilidUpdate>();
updateCallback(String update) {
var updateJson = jsonDecode(update);
if (updateJson["kind"] == "Shutdown") {
streamController.close();
} else {
var update = VeilidUpdate.fromJson(updateJson);
streamController.add(update);
}
}
await _wrapApiPromise(js_util.callMethod(wasm, "startup_veilid_core", [
js.allowInterop(updateCallback),
jsonEncode(config.json, toEncodable: veilidApiToEncodable)
]));
return streamController.stream;
}
@override
Future<VeilidState> getVeilidState() async {
return VeilidState.fromJson(jsonDecode(await _wrapApiPromise(
js_util.callMethod(wasm, "get_veilid_state", []))));
}
@override
Future<void> attach() async {
return _wrapApiPromise(js_util.callMethod(wasm, "attach", []));
}
@override
Future<void> detach() async {
return _wrapApiPromise(js_util.callMethod(wasm, "detach", []));
}
@override
Future<void> shutdownVeilidCore() {
return _wrapApiPromise(
js_util.callMethod(wasm, "shutdown_veilid_core", []));
}
@override
Future<String> debug(String command) {
return _wrapApiPromise(js_util.callMethod(wasm, "debug", [command]));
}
@override
String veilidVersionString() {
return js_util.callMethod(wasm, "veilid_version_string", []);
}
@override
VeilidVersion veilidVersion() {
var jsonVersion =
jsonDecode(js_util.callMethod(wasm, "veilid_version", []));
return VeilidVersion(
jsonVersion["major"], jsonVersion["minor"], jsonVersion["patch"]);
}
}