56 lines
1.2 KiB
Dart
56 lines
1.2 KiB
Dart
import 'dart:async';
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import 'package:fl_clash/common/system.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/services.dart';
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abstract mixin class TileListener {
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void onStart() {}
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void onStop() {}
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void onDetached() {}
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}
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class Tile {
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final MethodChannel _channel = const MethodChannel('tile');
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Tile._() {
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_channel.setMethodCallHandler(_methodCallHandler);
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}
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static final Tile instance = Tile._();
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final ObserverList<TileListener> _listeners = ObserverList<TileListener>();
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Future<void> _methodCallHandler(MethodCall call) async {
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for (final TileListener listener in _listeners) {
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switch (call.method) {
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case 'start':
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listener.onStart();
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break;
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case 'stop':
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listener.onStop();
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break;
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case 'detached':
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listener.onDetached();
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break;
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}
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}
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}
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bool get hasListeners {
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return _listeners.isNotEmpty;
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}
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void addListener(TileListener listener) {
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_listeners.add(listener);
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}
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void removeListener(TileListener listener) {
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_listeners.remove(listener);
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}
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}
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final tile = system.isAndroid ? Tile.instance : null;
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