mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-12-05 04:59:05 +08:00
efe6d080f3
Signed-off-by: fufesou <shuanglongchen@yeah.net>
123 lines
2.9 KiB
Dart
123 lines
2.9 KiB
Dart
import 'dart:convert';
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import 'package:flutter/foundation.dart';
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import 'platform_model.dart';
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class Peer {
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final String id;
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final String username;
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final String hostname;
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final String platform;
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final List<dynamic> tags;
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bool online = false;
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Peer.fromJson(this.id, Map<String, dynamic> json)
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: username = json['username'] ?? '',
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hostname = json['hostname'] ?? '',
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platform = json['platform'] ?? '',
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tags = json['tags'] ?? [];
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Peer({
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required this.id,
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required this.username,
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required this.hostname,
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required this.platform,
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required this.tags,
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});
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Peer.loading()
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: this(
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id: '...',
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username: '...',
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hostname: '...',
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platform: '...',
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tags: []);
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}
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class Peers extends ChangeNotifier {
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final String name;
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final String loadEvent;
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List<Peer> peers;
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static const _cbQueryOnlines = 'callback_query_onlines';
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Peers({required this.name, required this.peers, required this.loadEvent}) {
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platformFFI.registerEventHandler(_cbQueryOnlines, name, (evt) async {
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_updateOnlineState(evt);
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});
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platformFFI.registerEventHandler(loadEvent, name, (evt) async {
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_updatePeers(evt);
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});
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}
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@override
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void dispose() {
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platformFFI.unregisterEventHandler(_cbQueryOnlines, name);
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platformFFI.unregisterEventHandler(loadEvent, name);
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super.dispose();
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}
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Peer getByIndex(int index) {
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if (index < peers.length) {
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return peers[index];
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} else {
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return Peer.loading();
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}
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}
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int getPeersCount() {
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return peers.length;
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}
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void _updateOnlineState(Map<String, dynamic> evt) {
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evt['onlines'].split(',').forEach((online) {
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for (var i = 0; i < peers.length; i++) {
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if (peers[i].id == online) {
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peers[i].online = true;
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}
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}
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});
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evt['offlines'].split(',').forEach((offline) {
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for (var i = 0; i < peers.length; i++) {
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if (peers[i].id == offline) {
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peers[i].online = false;
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}
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}
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});
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notifyListeners();
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}
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void _updatePeers(Map<String, dynamic> evt) {
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final onlineStates = _getOnlineStates();
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peers = _decodePeers(evt['peers']);
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for (var peer in peers) {
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final state = onlineStates[peer.id];
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peer.online = state != null && state != false;
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}
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notifyListeners();
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}
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Map<String, bool> _getOnlineStates() {
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var onlineStates = <String, bool>{};
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for (var peer in peers) {
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onlineStates[peer.id] = peer.online;
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}
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return onlineStates;
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}
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List<Peer> _decodePeers(String peersStr) {
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try {
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if (peersStr == "") return [];
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List<dynamic> peers = json.decode(peersStr);
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return peers
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.map((s) => s as List<dynamic>)
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.map((s) =>
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Peer.fromJson(s[0] as String, s[1] as Map<String, dynamic>))
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.toList();
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} catch (e) {
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debugPrint('peers(): $e');
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}
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return [];
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}
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}
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