1755 lines
55 KiB
Dart
1755 lines
55 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'dart:math';
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import 'dart:ui' as ui;
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_hbb/consts.dart';
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import 'package:flutter_hbb/generated_bridge.dart';
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import 'package:flutter_hbb/models/ab_model.dart';
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import 'package:flutter_hbb/models/chat_model.dart';
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import 'package:flutter_hbb/models/file_model.dart';
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import 'package:flutter_hbb/models/group_model.dart';
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import 'package:flutter_hbb/models/peer_tab_model.dart';
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import 'package:flutter_hbb/models/server_model.dart';
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import 'package:flutter_hbb/models/user_model.dart';
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import 'package:flutter_hbb/models/state_model.dart';
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import 'package:flutter_hbb/common/shared_state.dart';
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import 'package:tuple/tuple.dart';
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import 'package:image/image.dart' as img2;
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import 'package:flutter_custom_cursor/cursor_manager.dart';
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import 'package:flutter_svg/flutter_svg.dart';
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import 'package:get/get.dart';
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import '../common.dart';
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import '../utils/image.dart' as img;
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import '../mobile/widgets/dialog.dart';
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import 'input_model.dart';
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import 'platform_model.dart';
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typedef HandleMsgBox = Function(Map<String, dynamic> evt, String id);
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typedef ReconnectHandle = Function(OverlayDialogManager, String, bool);
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final _waitForImage = <String, bool>{};
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class FfiModel with ChangeNotifier {
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PeerInfo _pi = PeerInfo();
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Display _display = Display();
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var _inputBlocked = false;
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final _permissions = <String, bool>{};
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bool? _secure;
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bool? _direct;
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bool _touchMode = false;
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Timer? _timer;
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var _reconnects = 1;
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bool _viewOnly = false;
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WeakReference<FFI> parent;
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Map<String, bool> get permissions => _permissions;
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Display get display => _display;
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bool? get secure => _secure;
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bool? get direct => _direct;
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PeerInfo get pi => _pi;
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bool get inputBlocked => _inputBlocked;
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bool get touchMode => _touchMode;
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bool get isPeerAndroid => _pi.platform == kPeerPlatformAndroid;
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bool get viewOnly => _viewOnly;
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set inputBlocked(v) {
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_inputBlocked = v;
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}
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FfiModel(this.parent) {
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clear();
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}
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toggleTouchMode() {
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if (!isPeerAndroid) {
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_touchMode = !_touchMode;
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notifyListeners();
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}
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}
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updatePermission(Map<String, dynamic> evt, String id) {
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evt.forEach((k, v) {
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if (k == 'name' || k.isEmpty) return;
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_permissions[k] = v == 'true';
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});
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// Only inited at remote page
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if (desktopType == DesktopType.remote) {
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KeyboardEnabledState.find(id).value = _permissions['keyboard'] != false;
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}
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debugPrint('$_permissions');
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notifyListeners();
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}
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bool keyboard() => _permissions['keyboard'] != false;
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clear() {
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_pi = PeerInfo();
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_display = Display();
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_secure = null;
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_direct = null;
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_inputBlocked = false;
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_timer?.cancel();
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_timer = null;
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clearPermissions();
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}
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setConnectionType(String peerId, bool secure, bool direct) {
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_secure = secure;
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_direct = direct;
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try {
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var connectionType = ConnectionTypeState.find(peerId);
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connectionType.setSecure(secure);
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connectionType.setDirect(direct);
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} catch (e) {
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//
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}
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}
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Widget? getConnectionImage() {
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if (secure == null || direct == null) {
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return null;
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} else {
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final icon =
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'${secure == true ? 'secure' : 'insecure'}${direct == true ? '' : '_relay'}';
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return SvgPicture.asset('assets/$icon.svg', width: 48, height: 48);
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}
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}
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clearPermissions() {
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_inputBlocked = false;
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_permissions.clear();
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}
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StreamEventHandler startEventListener(String peerId) {
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return (evt) async {
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var name = evt['name'];
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if (name == 'msgbox') {
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handleMsgBox(evt, peerId);
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} else if (name == 'peer_info') {
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handlePeerInfo(evt, peerId);
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} else if (name == 'sync_peer_info') {
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handleSyncPeerInfo(evt, peerId);
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} else if (name == 'connection_ready') {
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setConnectionType(
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peerId, evt['secure'] == 'true', evt['direct'] == 'true');
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} else if (name == 'switch_display') {
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handleSwitchDisplay(evt, peerId);
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} else if (name == 'cursor_data') {
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await parent.target?.cursorModel.updateCursorData(evt);
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} else if (name == 'cursor_id') {
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await parent.target?.cursorModel.updateCursorId(evt);
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} else if (name == 'cursor_position') {
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await parent.target?.cursorModel.updateCursorPosition(evt, peerId);
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} else if (name == 'clipboard') {
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Clipboard.setData(ClipboardData(text: evt['content']));
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} else if (name == 'permission') {
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updatePermission(evt, peerId);
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} else if (name == 'chat_client_mode') {
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parent.target?.chatModel
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.receive(ChatModel.clientModeID, evt['text'] ?? '');
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} else if (name == 'chat_server_mode') {
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parent.target?.chatModel
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.receive(int.parse(evt['id'] as String), evt['text'] ?? '');
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} else if (name == 'file_dir') {
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parent.target?.fileModel.receiveFileDir(evt);
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} else if (name == 'job_progress') {
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parent.target?.fileModel.jobController.tryUpdateJobProgress(evt);
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} else if (name == 'job_done') {
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parent.target?.fileModel.jobController.jobDone(evt);
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parent.target?.fileModel.refreshAll();
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} else if (name == 'job_error') {
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parent.target?.fileModel.jobController.jobError(evt);
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} else if (name == 'override_file_confirm') {
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parent.target?.fileModel.postOverrideFileConfirm(evt);
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} else if (name == 'load_last_job') {
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parent.target?.fileModel.jobController.loadLastJob(evt);
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} else if (name == 'update_folder_files') {
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parent.target?.fileModel.jobController.updateFolderFiles(evt);
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} else if (name == 'add_connection') {
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parent.target?.serverModel.addConnection(evt);
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} else if (name == 'on_client_remove') {
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parent.target?.serverModel.onClientRemove(evt);
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} else if (name == 'update_quality_status') {
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parent.target?.qualityMonitorModel.updateQualityStatus(evt);
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} else if (name == 'update_block_input_state') {
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updateBlockInputState(evt, peerId);
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} else if (name == 'update_privacy_mode') {
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updatePrivacyMode(evt, peerId);
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} else if (name == 'new_connection') {
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var uni_links = evt['uni_links'].toString();
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if (uni_links.startsWith(kUniLinksPrefix)) {
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parseRustdeskUri(uni_links);
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}
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} else if (name == 'alias') {
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handleAliasChanged(evt);
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} else if (name == 'show_elevation') {
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final show = evt['show'].toString() == 'true';
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parent.target?.serverModel.setShowElevation(show);
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} else if (name == 'cancel_msgbox') {
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cancelMsgBox(evt, peerId);
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} else if (name == 'switch_back') {
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final peer_id = evt['peer_id'].toString();
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await bind.sessionSwitchSides(id: peer_id);
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closeConnection(id: peer_id);
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} else if (name == 'portable_service_running') {
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parent.target?.elevationModel.onPortableServiceRunning(evt);
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} else if (name == "on_url_scheme_received") {
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final url = evt['url'].toString();
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parseRustdeskUri(url);
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} else if (name == "on_voice_call_waiting") {
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// Waiting for the response from the peer.
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parent.target?.chatModel.onVoiceCallWaiting();
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} else if (name == "on_voice_call_started") {
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// Voice call is connected.
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parent.target?.chatModel.onVoiceCallStarted();
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} else if (name == "on_voice_call_closed") {
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// Voice call is closed with reason.
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final reason = evt['reason'].toString();
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parent.target?.chatModel.onVoiceCallClosed(reason);
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} else if (name == "on_voice_call_incoming") {
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// Voice call is requested by the peer.
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parent.target?.chatModel.onVoiceCallIncoming();
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} else if (name == "update_voice_call_state") {
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parent.target?.serverModel.updateVoiceCallState(evt);
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} else {
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debugPrint("Unknown event name: $name");
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}
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};
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}
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/// Bind the event listener to receive events from the Rust core.
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updateEventListener(String peerId) {
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platformFFI.setEventCallback(startEventListener(peerId));
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}
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handleAliasChanged(Map<String, dynamic> evt) {
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final rxAlias = PeerStringOption.find(evt['id'], 'alias');
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if (rxAlias.value != evt['alias']) {
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rxAlias.value = evt['alias'];
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}
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}
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_updateCurDisplay(String peerId, Display newDisplay) {
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if (newDisplay != _display) {
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if (newDisplay.x != _display.x || newDisplay.y != _display.y) {
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parent.target?.cursorModel
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.updateDisplayOrigin(newDisplay.x, newDisplay.y);
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}
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_display = newDisplay;
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_updateSessionWidthHeight(peerId);
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}
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}
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handleSwitchDisplay(Map<String, dynamic> evt, String peerId) {
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_pi.currentDisplay = int.parse(evt['display']);
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var newDisplay = Display();
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newDisplay.x = double.parse(evt['x']);
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newDisplay.y = double.parse(evt['y']);
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newDisplay.width = int.parse(evt['width']);
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newDisplay.height = int.parse(evt['height']);
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newDisplay.cursorEmbedded = int.parse(evt['cursor_embedded']) == 1;
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_updateCurDisplay(peerId, newDisplay);
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try {
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CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
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} catch (e) {
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//
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}
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parent.target?.recordingModel.onSwitchDisplay();
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handleResolutions(peerId, evt["resolutions"]);
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notifyListeners();
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}
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cancelMsgBox(Map<String, dynamic> evt, String id) {
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if (parent.target == null) return;
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final dialogManager = parent.target!.dialogManager;
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final tag = '$id-${evt['tag']}';
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dialogManager.dismissByTag(tag);
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}
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/// Handle the message box event based on [evt] and [id].
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handleMsgBox(Map<String, dynamic> evt, String id) {
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if (parent.target == null) return;
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final dialogManager = parent.target!.dialogManager;
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final type = evt['type'];
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final title = evt['title'];
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final text = evt['text'];
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final link = evt['link'];
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if (type == 're-input-password') {
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wrongPasswordDialog(id, dialogManager, type, title, text);
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} else if (type == 'input-password') {
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enterPasswordDialog(id, dialogManager);
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} else if (type == 'restarting') {
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showMsgBox(id, type, title, text, link, false, dialogManager,
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hasCancel: false);
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} else if (type == 'wait-remote-accept-nook') {
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showWaitAcceptDialog(id, type, title, text, dialogManager);
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} else if (type == 'on-uac' || type == 'on-foreground-elevated') {
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showOnBlockDialog(id, type, title, text, dialogManager);
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} else if (type == 'wait-uac') {
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showWaitUacDialog(id, dialogManager, type);
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} else if (type == 'elevation-error') {
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showElevationError(id, type, title, text, dialogManager);
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} else if (type == "relay-hint") {
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showRelayHintDialog(id, type, title, text, dialogManager);
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} else {
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var hasRetry = evt['hasRetry'] == 'true';
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showMsgBox(id, type, title, text, link, hasRetry, dialogManager);
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}
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}
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/// Show a message box with [type], [title] and [text].
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showMsgBox(String id, String type, String title, String text, String link,
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bool hasRetry, OverlayDialogManager dialogManager,
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{bool? hasCancel}) {
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msgBox(id, type, title, text, link, dialogManager,
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hasCancel: hasCancel, reconnect: reconnect);
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_timer?.cancel();
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if (hasRetry) {
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_timer = Timer(Duration(seconds: _reconnects), () {
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reconnect(dialogManager, id, false);
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});
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_reconnects *= 2;
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} else {
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_reconnects = 1;
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}
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}
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void reconnect(
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OverlayDialogManager dialogManager, String id, bool forceRelay) {
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bind.sessionReconnect(id: id, forceRelay: forceRelay);
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clearPermissions();
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dialogManager.showLoading(translate('Connecting...'),
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onCancel: closeConnection);
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}
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void showRelayHintDialog(String id, String type, String title, String text,
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OverlayDialogManager dialogManager) {
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dialogManager.show(tag: '$id-$type', (setState, close) {
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onClose() {
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closeConnection();
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close();
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}
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final style =
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ElevatedButton.styleFrom(backgroundColor: Colors.green[700]);
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return CustomAlertDialog(
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title: null,
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content: msgboxContent(type, title,
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"${translate(text)}\n\n${translate('relay_hint_tip')}"),
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actions: [
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dialogButton('Close', onPressed: onClose, isOutline: true),
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dialogButton('Retry',
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onPressed: () => reconnect(dialogManager, id, false)),
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dialogButton('Connect via relay',
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onPressed: () => reconnect(dialogManager, id, true),
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buttonStyle: style),
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dialogButton('Always connect via relay', onPressed: () {
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const option = 'force-always-relay';
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bind.sessionPeerOption(
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id: id, name: option, value: bool2option(option, true));
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reconnect(dialogManager, id, true);
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}, buttonStyle: style),
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],
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onCancel: onClose,
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);
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});
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}
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_updateSessionWidthHeight(String id) {
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parent.target?.canvasModel.updateViewStyle();
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if (display.width <= 0 || display.height <= 0) {
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debugPrintStack(
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label: 'invalid display size (${display.width},${display.height})');
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} else {
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bind.sessionSetSize(id: id, width: display.width, height: display.height);
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}
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}
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/// Handle the peer info event based on [evt].
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handlePeerInfo(Map<String, dynamic> evt, String peerId) async {
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// recent peer updated by handle_peer_info(ui_session_interface.rs) --> handle_peer_info(client.rs) --> save_config(client.rs)
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bind.mainLoadRecentPeers();
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parent.target?.dialogManager.dismissAll();
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_pi.version = evt['version'];
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_pi.username = evt['username'];
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_pi.hostname = evt['hostname'];
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_pi.platform = evt['platform'];
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_pi.sasEnabled = evt['sas_enabled'] == 'true';
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_pi.currentDisplay = int.parse(evt['current_display']);
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try {
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CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
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} catch (e) {
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//
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}
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final connType = parent.target?.connType;
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if (isPeerAndroid) {
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_touchMode = true;
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if (connType == ConnType.defaultConn &&
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parent.target != null &&
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parent.target!.ffiModel.permissions['keyboard'] != false) {
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Timer(
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const Duration(milliseconds: 100),
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() => parent.target!.dialogManager
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.showMobileActionsOverlay(ffi: parent.target!));
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}
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} else {
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_touchMode =
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await bind.sessionGetOption(id: peerId, arg: 'touch-mode') != '';
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}
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if (connType == ConnType.fileTransfer) {
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parent.target?.fileModel.onReady();
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} else if (connType == ConnType.defaultConn) {
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_pi.displays = [];
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List<dynamic> displays = json.decode(evt['displays']);
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for (int i = 0; i < displays.length; ++i) {
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Map<String, dynamic> d0 = displays[i];
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var d = Display();
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d.x = d0['x'].toDouble();
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d.y = d0['y'].toDouble();
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d.width = d0['width'];
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d.height = d0['height'];
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d.cursorEmbedded = d0['cursor_embedded'] == 1;
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_pi.displays.add(d);
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}
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stateGlobal.displaysCount.value = _pi.displays.length;
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if (_pi.currentDisplay < _pi.displays.length) {
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_display = _pi.displays[_pi.currentDisplay];
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_updateSessionWidthHeight(peerId);
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}
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if (displays.isNotEmpty) {
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parent.target?.dialogManager.showLoading(
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translate('Connected, waiting for image...'),
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onCancel: closeConnection);
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_waitForImage[peerId] = true;
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_reconnects = 1;
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}
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Map<String, dynamic> features = json.decode(evt['features']);
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_pi.features.privacyMode = features['privacy_mode'] == 1;
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handleResolutions(peerId, evt["resolutions"]);
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parent.target?.elevationModel.onPeerInfo(_pi);
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}
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if (connType == ConnType.defaultConn) {
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setViewOnly(peerId,
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bind.sessionGetToggleOptionSync(id: peerId, arg: 'view-only'));
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}
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if (connType == ConnType.defaultConn) {
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final platform_additions = evt['platform_additions'];
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if (platform_additions != null && platform_additions != '') {
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try {
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_pi.platform_additions = json.decode(platform_additions);
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} catch (e) {
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debugPrint('Failed to decode platform_additions $e');
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}
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}
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}
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notifyListeners();
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}
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handleResolutions(String id, dynamic resolutions) {
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try {
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final List<dynamic> dynamicArray = jsonDecode(resolutions as String);
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List<Resolution> arr = List.empty(growable: true);
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for (int i = 0; i < dynamicArray.length; i++) {
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var width = dynamicArray[i]["width"];
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var height = dynamicArray[i]["height"];
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if (width is int && width > 0 && height is int && height > 0) {
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arr.add(Resolution(width, height));
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}
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}
|
|
arr.sort((a, b) {
|
|
if (b.width != a.width) {
|
|
return b.width - a.width;
|
|
} else {
|
|
return b.height - a.height;
|
|
}
|
|
});
|
|
_pi.resolutions = arr;
|
|
} catch (e) {
|
|
debugPrint("Failed to parse resolutions:$e");
|
|
}
|
|
}
|
|
|
|
/// Handle the peer info synchronization event based on [evt].
|
|
handleSyncPeerInfo(Map<String, dynamic> evt, String peerId) async {
|
|
if (evt['displays'] != null) {
|
|
List<dynamic> displays = json.decode(evt['displays']);
|
|
List<Display> newDisplays = [];
|
|
for (int i = 0; i < displays.length; ++i) {
|
|
Map<String, dynamic> d0 = displays[i];
|
|
var d = Display();
|
|
d.x = d0['x'].toDouble();
|
|
d.y = d0['y'].toDouble();
|
|
d.width = d0['width'];
|
|
d.height = d0['height'];
|
|
d.cursorEmbedded = d0['cursor_embedded'] == 1;
|
|
newDisplays.add(d);
|
|
}
|
|
_pi.displays = newDisplays;
|
|
stateGlobal.displaysCount.value = _pi.displays.length;
|
|
if (_pi.currentDisplay >= 0 && _pi.currentDisplay < _pi.displays.length) {
|
|
_updateCurDisplay(peerId, _pi.displays[_pi.currentDisplay]);
|
|
}
|
|
}
|
|
notifyListeners();
|
|
}
|
|
|
|
updateBlockInputState(Map<String, dynamic> evt, String peerId) {
|
|
_inputBlocked = evt['input_state'] == 'on';
|
|
notifyListeners();
|
|
try {
|
|
BlockInputState.find(peerId).value = evt['input_state'] == 'on';
|
|
} catch (e) {
|
|
//
|
|
}
|
|
}
|
|
|
|
updatePrivacyMode(Map<String, dynamic> evt, String peerId) {
|
|
notifyListeners();
|
|
try {
|
|
PrivacyModeState.find(peerId).value =
|
|
bind.sessionGetToggleOptionSync(id: peerId, arg: 'privacy-mode');
|
|
} catch (e) {
|
|
//
|
|
}
|
|
}
|
|
|
|
void setViewOnly(String id, bool value) {
|
|
if (version_cmp(_pi.version, '1.2.0') < 0) return;
|
|
if (value) {
|
|
ShowRemoteCursorState.find(id).value = value;
|
|
} else {
|
|
ShowRemoteCursorState.find(id).value =
|
|
bind.sessionGetToggleOptionSync(id: id, arg: 'show-remote-cursor');
|
|
}
|
|
if (_viewOnly != value) {
|
|
_viewOnly = value;
|
|
notifyListeners();
|
|
}
|
|
}
|
|
}
|
|
|
|
class ImageModel with ChangeNotifier {
|
|
ui.Image? _image;
|
|
|
|
ui.Image? get image => _image;
|
|
|
|
String id = '';
|
|
|
|
WeakReference<FFI> parent;
|
|
|
|
final List<Function(String)> callbacksOnFirstImage = [];
|
|
|
|
ImageModel(this.parent);
|
|
|
|
addCallbackOnFirstImage(Function(String) cb) => callbacksOnFirstImage.add(cb);
|
|
|
|
onRgba(Uint8List rgba) {
|
|
if (_waitForImage[id]!) {
|
|
_waitForImage[id] = false;
|
|
parent.target?.dialogManager.dismissAll();
|
|
if (isDesktop) {
|
|
for (final cb in callbacksOnFirstImage) {
|
|
cb(id);
|
|
}
|
|
}
|
|
}
|
|
|
|
final pid = parent.target?.id;
|
|
img.decodeImageFromPixels(
|
|
rgba,
|
|
parent.target?.ffiModel.display.width ?? 0,
|
|
parent.target?.ffiModel.display.height ?? 0,
|
|
isWeb ? ui.PixelFormat.rgba8888 : ui.PixelFormat.bgra8888,
|
|
onPixelsCopied: () {
|
|
// Unlock the rgba memory from rust codes.
|
|
platformFFI.nextRgba(id);
|
|
}).then((image) {
|
|
if (parent.target?.id != pid) return;
|
|
try {
|
|
// my throw exception, because the listener maybe already dispose
|
|
update(image);
|
|
} catch (e) {
|
|
debugPrint('update image: $e');
|
|
}
|
|
});
|
|
}
|
|
|
|
update(ui.Image? image) async {
|
|
if (_image == null && image != null) {
|
|
if (isWebDesktop || isDesktop) {
|
|
await parent.target?.canvasModel.updateViewStyle();
|
|
await parent.target?.canvasModel.updateScrollStyle();
|
|
} else {
|
|
final size = MediaQueryData.fromWindow(ui.window).size;
|
|
final canvasWidth = size.width;
|
|
final canvasHeight = size.height;
|
|
final xscale = canvasWidth / image.width;
|
|
final yscale = canvasHeight / image.height;
|
|
parent.target?.canvasModel.scale = min(xscale, yscale);
|
|
}
|
|
if (parent.target != null) {
|
|
await initializeCursorAndCanvas(parent.target!);
|
|
}
|
|
if (parent.target?.ffiModel.isPeerAndroid ?? false) {
|
|
bind.sessionSetViewStyle(id: id, value: 'adaptive');
|
|
parent.target?.canvasModel.updateViewStyle();
|
|
}
|
|
}
|
|
_image = image;
|
|
if (image != null) notifyListeners();
|
|
}
|
|
|
|
// mobile only
|
|
// for desktop, height should minus tabbar height
|
|
double get maxScale {
|
|
if (_image == null) return 1.5;
|
|
final size = MediaQueryData.fromWindow(ui.window).size;
|
|
final xscale = size.width / _image!.width;
|
|
final yscale = size.height / _image!.height;
|
|
return max(1.5, max(xscale, yscale));
|
|
}
|
|
|
|
// mobile only
|
|
// for desktop, height should minus tabbar height
|
|
double get minScale {
|
|
if (_image == null) return 1.5;
|
|
final size = MediaQueryData.fromWindow(ui.window).size;
|
|
final xscale = size.width / _image!.width;
|
|
final yscale = size.height / _image!.height;
|
|
return min(xscale, yscale) / 1.5;
|
|
}
|
|
}
|
|
|
|
enum ScrollStyle {
|
|
scrollbar,
|
|
scrollauto,
|
|
}
|
|
|
|
class ViewStyle {
|
|
final String style;
|
|
final double width;
|
|
final double height;
|
|
final int displayWidth;
|
|
final int displayHeight;
|
|
ViewStyle({
|
|
required this.style,
|
|
required this.width,
|
|
required this.height,
|
|
required this.displayWidth,
|
|
required this.displayHeight,
|
|
});
|
|
|
|
static defaultViewStyle() {
|
|
final desktop = (isDesktop || isWebDesktop);
|
|
final w =
|
|
desktop ? kDesktopDefaultDisplayWidth : kMobileDefaultDisplayWidth;
|
|
final h =
|
|
desktop ? kDesktopDefaultDisplayHeight : kMobileDefaultDisplayHeight;
|
|
return ViewStyle(
|
|
style: '',
|
|
width: w.toDouble(),
|
|
height: h.toDouble(),
|
|
displayWidth: w,
|
|
displayHeight: h,
|
|
);
|
|
}
|
|
|
|
static int _double2Int(double v) => (v * 100).round().toInt();
|
|
|
|
@override
|
|
bool operator ==(Object other) =>
|
|
other is ViewStyle &&
|
|
other.runtimeType == runtimeType &&
|
|
_innerEqual(other);
|
|
|
|
bool _innerEqual(ViewStyle other) {
|
|
return style == other.style &&
|
|
ViewStyle._double2Int(other.width) == ViewStyle._double2Int(width) &&
|
|
ViewStyle._double2Int(other.height) == ViewStyle._double2Int(height) &&
|
|
other.displayWidth == displayWidth &&
|
|
other.displayHeight == displayHeight;
|
|
}
|
|
|
|
@override
|
|
int get hashCode => Object.hash(
|
|
style,
|
|
ViewStyle._double2Int(width),
|
|
ViewStyle._double2Int(height),
|
|
displayWidth,
|
|
displayHeight,
|
|
).hashCode;
|
|
|
|
double get scale {
|
|
double s = 1.0;
|
|
if (style == kRemoteViewStyleAdaptive) {
|
|
if (width != 0 &&
|
|
height != 0 &&
|
|
displayWidth != 0 &&
|
|
displayHeight != 0) {
|
|
final s1 = width / displayWidth;
|
|
final s2 = height / displayHeight;
|
|
s = s1 < s2 ? s1 : s2;
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
}
|
|
|
|
class CanvasModel with ChangeNotifier {
|
|
// image offset of canvas
|
|
double _x = 0;
|
|
// image offset of canvas
|
|
double _y = 0;
|
|
// image scale
|
|
double _scale = 1.0;
|
|
double _devicePixelRatio = 1.0;
|
|
Size _size = Size.zero;
|
|
// the tabbar over the image
|
|
// double tabBarHeight = 0.0;
|
|
// the window border's width
|
|
// double windowBorderWidth = 0.0;
|
|
// remote id
|
|
String id = '';
|
|
// scroll offset x percent
|
|
double _scrollX = 0.0;
|
|
// scroll offset y percent
|
|
double _scrollY = 0.0;
|
|
ScrollStyle _scrollStyle = ScrollStyle.scrollauto;
|
|
ViewStyle _lastViewStyle = ViewStyle.defaultViewStyle();
|
|
|
|
final _imageOverflow = false.obs;
|
|
|
|
WeakReference<FFI> parent;
|
|
|
|
CanvasModel(this.parent);
|
|
|
|
double get x => _x;
|
|
double get y => _y;
|
|
double get scale => _scale;
|
|
double get devicePixelRatio => _devicePixelRatio;
|
|
Size get size => _size;
|
|
ScrollStyle get scrollStyle => _scrollStyle;
|
|
ViewStyle get viewStyle => _lastViewStyle;
|
|
RxBool get imageOverflow => _imageOverflow;
|
|
|
|
_resetScroll() => setScrollPercent(0.0, 0.0);
|
|
|
|
setScrollPercent(double x, double y) {
|
|
_scrollX = x;
|
|
_scrollY = y;
|
|
}
|
|
|
|
double get scrollX => _scrollX;
|
|
double get scrollY => _scrollY;
|
|
|
|
static double get leftToEdge => (isDesktop || isWebDesktop)
|
|
? windowBorderWidth + kDragToResizeAreaPadding.left
|
|
: 0;
|
|
static double get rightToEdge => (isDesktop || isWebDesktop)
|
|
? windowBorderWidth + kDragToResizeAreaPadding.right
|
|
: 0;
|
|
static double get topToEdge => (isDesktop || isWebDesktop)
|
|
? tabBarHeight + windowBorderWidth + kDragToResizeAreaPadding.top
|
|
: 0;
|
|
static double get bottomToEdge => (isDesktop || isWebDesktop)
|
|
? windowBorderWidth + kDragToResizeAreaPadding.bottom
|
|
: 0;
|
|
|
|
updateViewStyle() async {
|
|
Size getSize() {
|
|
final size = MediaQueryData.fromWindow(ui.window).size;
|
|
// If minimized, w or h may be negative here.
|
|
double w = size.width - leftToEdge - rightToEdge;
|
|
double h = size.height - topToEdge - bottomToEdge;
|
|
return Size(w < 0 ? 0 : w, h < 0 ? 0 : h);
|
|
}
|
|
|
|
final style = await bind.sessionGetViewStyle(id: id);
|
|
if (style == null) {
|
|
return;
|
|
}
|
|
|
|
_size = getSize();
|
|
final displayWidth = getDisplayWidth();
|
|
final displayHeight = getDisplayHeight();
|
|
final viewStyle = ViewStyle(
|
|
style: style,
|
|
width: size.width,
|
|
height: size.height,
|
|
displayWidth: displayWidth,
|
|
displayHeight: displayHeight,
|
|
);
|
|
if (_lastViewStyle == viewStyle) {
|
|
return;
|
|
}
|
|
if (_lastViewStyle.style != viewStyle.style) {
|
|
_resetScroll();
|
|
}
|
|
_lastViewStyle = viewStyle;
|
|
_scale = viewStyle.scale;
|
|
|
|
_devicePixelRatio = ui.window.devicePixelRatio;
|
|
if (kIgnoreDpi && style == kRemoteViewStyleOriginal) {
|
|
_scale = 1.0 / _devicePixelRatio;
|
|
}
|
|
_x = (size.width - displayWidth * _scale) / 2;
|
|
_y = (size.height - displayHeight * _scale) / 2;
|
|
_imageOverflow.value = _x < 0 || y < 0;
|
|
notifyListeners();
|
|
parent.target?.inputModel.refreshMousePos();
|
|
}
|
|
|
|
updateScrollStyle() async {
|
|
final style = await bind.sessionGetScrollStyle(id: id);
|
|
if (style == kRemoteScrollStyleBar) {
|
|
_scrollStyle = ScrollStyle.scrollbar;
|
|
_resetScroll();
|
|
} else {
|
|
_scrollStyle = ScrollStyle.scrollauto;
|
|
}
|
|
notifyListeners();
|
|
}
|
|
|
|
update(double x, double y, double scale) {
|
|
_x = x;
|
|
_y = y;
|
|
_scale = scale;
|
|
notifyListeners();
|
|
}
|
|
|
|
bool get cursorEmbedded =>
|
|
parent.target?.ffiModel.display.cursorEmbedded ?? false;
|
|
|
|
int getDisplayWidth() {
|
|
final defaultWidth = (isDesktop || isWebDesktop)
|
|
? kDesktopDefaultDisplayWidth
|
|
: kMobileDefaultDisplayWidth;
|
|
return parent.target?.ffiModel.display.width ?? defaultWidth;
|
|
}
|
|
|
|
int getDisplayHeight() {
|
|
final defaultHeight = (isDesktop || isWebDesktop)
|
|
? kDesktopDefaultDisplayHeight
|
|
: kMobileDefaultDisplayHeight;
|
|
return parent.target?.ffiModel.display.height ?? defaultHeight;
|
|
}
|
|
|
|
static double get windowBorderWidth => stateGlobal.windowBorderWidth.value;
|
|
static double get tabBarHeight => stateGlobal.tabBarHeight;
|
|
|
|
moveDesktopMouse(double x, double y) {
|
|
if (size.width == 0 || size.height == 0) {
|
|
return;
|
|
}
|
|
|
|
// On mobile platforms, move the canvas with the cursor.
|
|
final dw = getDisplayWidth() * _scale;
|
|
final dh = getDisplayHeight() * _scale;
|
|
var dxOffset = 0;
|
|
var dyOffset = 0;
|
|
try {
|
|
if (dw > size.width) {
|
|
dxOffset = (x - dw * (x / size.width) - _x).toInt();
|
|
}
|
|
if (dh > size.height) {
|
|
dyOffset = (y - dh * (y / size.height) - _y).toInt();
|
|
}
|
|
} catch (e) {
|
|
debugPrintStack(
|
|
label:
|
|
'(x,y) ($x,$y), (_x,_y) ($_x,$_y), _scale $_scale, display size (${getDisplayWidth()},${getDisplayHeight()}), size $size, , $e');
|
|
return;
|
|
}
|
|
|
|
_x += dxOffset;
|
|
_y += dyOffset;
|
|
if (dxOffset != 0 || dyOffset != 0) {
|
|
notifyListeners();
|
|
}
|
|
|
|
// If keyboard is not permitted, do not move cursor when mouse is moving.
|
|
if (parent.target != null && parent.target!.ffiModel.keyboard()) {
|
|
// Draw cursor if is not desktop.
|
|
if (!isDesktop) {
|
|
parent.target!.cursorModel.moveLocal(x, y);
|
|
} else {
|
|
try {
|
|
RemoteCursorMovedState.find(id).value = false;
|
|
} catch (e) {
|
|
//
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
set scale(v) {
|
|
_scale = v;
|
|
notifyListeners();
|
|
}
|
|
|
|
panX(double dx) {
|
|
_x += dx;
|
|
notifyListeners();
|
|
}
|
|
|
|
resetOffset() {
|
|
if (isWebDesktop) {
|
|
updateViewStyle();
|
|
} else {
|
|
_x = (size.width - getDisplayWidth() * _scale) / 2;
|
|
_y = (size.height - getDisplayHeight() * _scale) / 2;
|
|
}
|
|
notifyListeners();
|
|
}
|
|
|
|
panY(double dy) {
|
|
_y += dy;
|
|
notifyListeners();
|
|
}
|
|
|
|
updateScale(double v) {
|
|
if (parent.target?.imageModel.image == null) return;
|
|
final offset = parent.target?.cursorModel.offset ?? const Offset(0, 0);
|
|
var r = parent.target?.cursorModel.getVisibleRect() ?? Rect.zero;
|
|
final px0 = (offset.dx - r.left) * _scale;
|
|
final py0 = (offset.dy - r.top) * _scale;
|
|
_scale *= v;
|
|
final maxs = parent.target?.imageModel.maxScale ?? 1;
|
|
final mins = parent.target?.imageModel.minScale ?? 1;
|
|
if (_scale > maxs) _scale = maxs;
|
|
if (_scale < mins) _scale = mins;
|
|
r = parent.target?.cursorModel.getVisibleRect() ?? Rect.zero;
|
|
final px1 = (offset.dx - r.left) * _scale;
|
|
final py1 = (offset.dy - r.top) * _scale;
|
|
_x -= px1 - px0;
|
|
_y -= py1 - py0;
|
|
notifyListeners();
|
|
}
|
|
|
|
clear([bool notify = false]) {
|
|
_x = 0;
|
|
_y = 0;
|
|
_scale = 1.0;
|
|
if (notify) notifyListeners();
|
|
}
|
|
}
|
|
|
|
// data for cursor
|
|
class CursorData {
|
|
final String peerId;
|
|
final int id;
|
|
final img2.Image image;
|
|
double scale;
|
|
Uint8List? data;
|
|
final double hotxOrigin;
|
|
final double hotyOrigin;
|
|
double hotx;
|
|
double hoty;
|
|
final int width;
|
|
final int height;
|
|
|
|
CursorData({
|
|
required this.peerId,
|
|
required this.id,
|
|
required this.image,
|
|
required this.scale,
|
|
required this.data,
|
|
required this.hotxOrigin,
|
|
required this.hotyOrigin,
|
|
required this.width,
|
|
required this.height,
|
|
}) : hotx = hotxOrigin * scale,
|
|
hoty = hotxOrigin * scale;
|
|
|
|
int _doubleToInt(double v) => (v * 10e6).round().toInt();
|
|
|
|
double _checkUpdateScale(double scale) {
|
|
double oldScale = this.scale;
|
|
if (scale != 1.0) {
|
|
// Update data if scale changed.
|
|
final tgtWidth = (width * scale).toInt();
|
|
final tgtHeight = (width * scale).toInt();
|
|
if (tgtWidth < kMinCursorSize || tgtHeight < kMinCursorSize) {
|
|
double sw = kMinCursorSize.toDouble() / width;
|
|
double sh = kMinCursorSize.toDouble() / height;
|
|
scale = sw < sh ? sh : sw;
|
|
}
|
|
}
|
|
|
|
if (_doubleToInt(oldScale) != _doubleToInt(scale)) {
|
|
if (Platform.isWindows) {
|
|
data = img2
|
|
.copyResize(
|
|
image,
|
|
width: (width * scale).toInt(),
|
|
height: (height * scale).toInt(),
|
|
interpolation: img2.Interpolation.average,
|
|
)
|
|
.getBytes(format: img2.Format.bgra);
|
|
} else {
|
|
data = Uint8List.fromList(
|
|
img2.encodePng(
|
|
img2.copyResize(
|
|
image,
|
|
width: (width * scale).toInt(),
|
|
height: (height * scale).toInt(),
|
|
interpolation: img2.Interpolation.average,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
this.scale = scale;
|
|
hotx = hotxOrigin * scale;
|
|
hoty = hotyOrigin * scale;
|
|
return scale;
|
|
}
|
|
|
|
String updateGetKey(double scale) {
|
|
scale = _checkUpdateScale(scale);
|
|
return '${peerId}_${id}_${_doubleToInt(width * scale)}_${_doubleToInt(height * scale)}';
|
|
}
|
|
}
|
|
|
|
const _forbiddenCursorPng =
|
|
'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';
|
|
const _defaultCursorPng =
|
|
'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';
|
|
|
|
final preForbiddenCursor = PredefinedCursor(
|
|
png: _forbiddenCursorPng,
|
|
id: -2,
|
|
);
|
|
final preDefaultCursor = PredefinedCursor(
|
|
png: _defaultCursorPng,
|
|
id: -1,
|
|
hotxGetter: (double w) => w / 2,
|
|
hotyGetter: (double h) => h / 2,
|
|
);
|
|
|
|
class PredefinedCursor {
|
|
ui.Image? _image;
|
|
img2.Image? _image2;
|
|
CursorData? _cache;
|
|
String png;
|
|
int id;
|
|
double Function(double)? hotxGetter;
|
|
double Function(double)? hotyGetter;
|
|
|
|
PredefinedCursor(
|
|
{required this.png, required this.id, this.hotxGetter, this.hotyGetter}) {
|
|
init();
|
|
}
|
|
|
|
ui.Image? get image => _image;
|
|
CursorData? get cache => _cache;
|
|
|
|
init() {
|
|
_image2 = img2.decodePng(base64Decode(png));
|
|
if (_image2 != null) {
|
|
() async {
|
|
final defaultImg = _image2!;
|
|
// This function is called only one time, no need to care about the performance.
|
|
Uint8List data = defaultImg.getBytes(format: img2.Format.rgba);
|
|
_image = await img.decodeImageFromPixels(
|
|
data, defaultImg.width, defaultImg.height, ui.PixelFormat.rgba8888);
|
|
|
|
double scale = 1.0;
|
|
if (Platform.isWindows) {
|
|
data = _image2!.getBytes(format: img2.Format.bgra);
|
|
} else {
|
|
data = Uint8List.fromList(img2.encodePng(_image2!));
|
|
}
|
|
|
|
_cache = CursorData(
|
|
peerId: '',
|
|
id: id,
|
|
image: _image2!.clone(),
|
|
scale: scale,
|
|
data: data,
|
|
hotxOrigin:
|
|
hotxGetter != null ? hotxGetter!(_image2!.width.toDouble()) : 0,
|
|
hotyOrigin:
|
|
hotyGetter != null ? hotyGetter!(_image2!.height.toDouble()) : 0,
|
|
width: _image2!.width,
|
|
height: _image2!.height,
|
|
);
|
|
}();
|
|
}
|
|
}
|
|
}
|
|
|
|
class CursorModel with ChangeNotifier {
|
|
ui.Image? _image;
|
|
final _images = <int, Tuple3<ui.Image, double, double>>{};
|
|
CursorData? _cache;
|
|
final _cacheMap = <int, CursorData>{};
|
|
final _cacheKeys = <String>{};
|
|
double _x = -10000;
|
|
double _y = -10000;
|
|
double _hotx = 0;
|
|
double _hoty = 0;
|
|
double _displayOriginX = 0;
|
|
double _displayOriginY = 0;
|
|
DateTime? _firstUpdateMouseTime;
|
|
bool gotMouseControl = true;
|
|
DateTime _lastPeerMouse = DateTime.now()
|
|
.subtract(Duration(milliseconds: 3000 * kMouseControlTimeoutMSec));
|
|
String id = '';
|
|
WeakReference<FFI> parent;
|
|
|
|
ui.Image? get image => _image;
|
|
CursorData? get cache => _cache;
|
|
|
|
double get x => _x - _displayOriginX;
|
|
double get y => _y - _displayOriginY;
|
|
|
|
Offset get offset => Offset(_x, _y);
|
|
|
|
double get hotx => _hotx;
|
|
double get hoty => _hoty;
|
|
|
|
bool get isPeerControlProtected =>
|
|
DateTime.now().difference(_lastPeerMouse).inMilliseconds <
|
|
kMouseControlTimeoutMSec;
|
|
|
|
bool isConnIn2Secs() {
|
|
if (_firstUpdateMouseTime == null) {
|
|
_firstUpdateMouseTime = DateTime.now();
|
|
return true;
|
|
} else {
|
|
return DateTime.now().difference(_firstUpdateMouseTime!).inSeconds < 2;
|
|
}
|
|
}
|
|
|
|
CursorModel(this.parent);
|
|
|
|
Set<String> get cachedKeys => _cacheKeys;
|
|
addKey(String key) => _cacheKeys.add(key);
|
|
|
|
// remote physical display coordinate
|
|
Rect getVisibleRect() {
|
|
final size = MediaQueryData.fromWindow(ui.window).size;
|
|
final xoffset = parent.target?.canvasModel.x ?? 0;
|
|
final yoffset = parent.target?.canvasModel.y ?? 0;
|
|
final scale = parent.target?.canvasModel.scale ?? 1;
|
|
final x0 = _displayOriginX - xoffset / scale;
|
|
final y0 = _displayOriginY - yoffset / scale;
|
|
return Rect.fromLTWH(x0, y0, size.width / scale, size.height / scale);
|
|
}
|
|
|
|
double adjustForKeyboard() {
|
|
final m = MediaQueryData.fromWindow(ui.window);
|
|
var keyboardHeight = m.viewInsets.bottom;
|
|
final size = m.size;
|
|
if (keyboardHeight < 100) return 0;
|
|
final s = parent.target?.canvasModel.scale ?? 1.0;
|
|
final thresh = (size.height - keyboardHeight) / 2;
|
|
var h = (_y - getVisibleRect().top) * s; // local physical display height
|
|
return h - thresh;
|
|
}
|
|
|
|
move(double x, double y) {
|
|
moveLocal(x, y);
|
|
parent.target?.inputModel.moveMouse(_x, _y);
|
|
}
|
|
|
|
moveLocal(double x, double y) {
|
|
final scale = parent.target?.canvasModel.scale ?? 1.0;
|
|
final xoffset = parent.target?.canvasModel.x ?? 0;
|
|
final yoffset = parent.target?.canvasModel.y ?? 0;
|
|
_x = (x - xoffset) / scale + _displayOriginX;
|
|
_y = (y - yoffset) / scale + _displayOriginY;
|
|
notifyListeners();
|
|
}
|
|
|
|
reset() {
|
|
_x = _displayOriginX;
|
|
_y = _displayOriginY;
|
|
parent.target?.inputModel.moveMouse(_x, _y);
|
|
parent.target?.canvasModel.clear(true);
|
|
notifyListeners();
|
|
}
|
|
|
|
updatePan(double dx, double dy, bool touchMode) {
|
|
if (parent.target?.imageModel.image == null) return;
|
|
if (touchMode) {
|
|
final scale = parent.target?.canvasModel.scale ?? 1.0;
|
|
_x += dx / scale;
|
|
_y += dy / scale;
|
|
parent.target?.inputModel.moveMouse(_x, _y);
|
|
notifyListeners();
|
|
return;
|
|
}
|
|
final scale = parent.target?.canvasModel.scale ?? 1.0;
|
|
dx /= scale;
|
|
dy /= scale;
|
|
final r = getVisibleRect();
|
|
var cx = r.center.dx;
|
|
var cy = r.center.dy;
|
|
var tryMoveCanvasX = false;
|
|
if (dx > 0) {
|
|
final maxCanvasCanMove = _displayOriginX +
|
|
(parent.target?.imageModel.image!.width ?? 1280) -
|
|
r.right.roundToDouble();
|
|
tryMoveCanvasX = _x + dx > cx && maxCanvasCanMove > 0;
|
|
if (tryMoveCanvasX) {
|
|
dx = min(dx, maxCanvasCanMove);
|
|
} else {
|
|
final maxCursorCanMove = r.right - _x;
|
|
dx = min(dx, maxCursorCanMove);
|
|
}
|
|
} else if (dx < 0) {
|
|
final maxCanvasCanMove = _displayOriginX - r.left.roundToDouble();
|
|
tryMoveCanvasX = _x + dx < cx && maxCanvasCanMove < 0;
|
|
if (tryMoveCanvasX) {
|
|
dx = max(dx, maxCanvasCanMove);
|
|
} else {
|
|
final maxCursorCanMove = r.left - _x;
|
|
dx = max(dx, maxCursorCanMove);
|
|
}
|
|
}
|
|
var tryMoveCanvasY = false;
|
|
if (dy > 0) {
|
|
final mayCanvasCanMove = _displayOriginY +
|
|
(parent.target?.imageModel.image!.height ?? 720) -
|
|
r.bottom.roundToDouble();
|
|
tryMoveCanvasY = _y + dy > cy && mayCanvasCanMove > 0;
|
|
if (tryMoveCanvasY) {
|
|
dy = min(dy, mayCanvasCanMove);
|
|
} else {
|
|
final mayCursorCanMove = r.bottom - _y;
|
|
dy = min(dy, mayCursorCanMove);
|
|
}
|
|
} else if (dy < 0) {
|
|
final mayCanvasCanMove = _displayOriginY - r.top.roundToDouble();
|
|
tryMoveCanvasY = _y + dy < cy && mayCanvasCanMove < 0;
|
|
if (tryMoveCanvasY) {
|
|
dy = max(dy, mayCanvasCanMove);
|
|
} else {
|
|
final mayCursorCanMove = r.top - _y;
|
|
dy = max(dy, mayCursorCanMove);
|
|
}
|
|
}
|
|
|
|
if (dx == 0 && dy == 0) return;
|
|
_x += dx;
|
|
_y += dy;
|
|
if (tryMoveCanvasX && dx != 0) {
|
|
parent.target?.canvasModel.panX(-dx);
|
|
}
|
|
if (tryMoveCanvasY && dy != 0) {
|
|
parent.target?.canvasModel.panY(-dy);
|
|
}
|
|
|
|
parent.target?.inputModel.moveMouse(_x, _y);
|
|
notifyListeners();
|
|
}
|
|
|
|
updateCursorData(Map<String, dynamic> evt) async {
|
|
var id = int.parse(evt['id']);
|
|
_hotx = double.parse(evt['hotx']);
|
|
_hoty = double.parse(evt['hoty']);
|
|
var width = int.parse(evt['width']);
|
|
var height = int.parse(evt['height']);
|
|
List<dynamic> colors = json.decode(evt['colors']);
|
|
final rgba = Uint8List.fromList(colors.map((s) => s as int).toList());
|
|
final image = await img.decodeImageFromPixels(
|
|
rgba, width, height, ui.PixelFormat.rgba8888);
|
|
_image = image;
|
|
if (await _updateCache(rgba, image, id, width, height)) {
|
|
_images[id] = Tuple3(image, _hotx, _hoty);
|
|
} else {
|
|
_hotx = 0;
|
|
_hoty = 0;
|
|
}
|
|
try {
|
|
// my throw exception, because the listener maybe already dispose
|
|
notifyListeners();
|
|
} catch (e) {
|
|
debugPrint('WARNING: updateCursorId $id, without notifyListeners(). $e');
|
|
}
|
|
}
|
|
|
|
Future<bool> _updateCache(
|
|
Uint8List rgba, ui.Image image, int id, int w, int h) async {
|
|
Uint8List? data;
|
|
img2.Image imgOrigin =
|
|
img2.Image.fromBytes(w, h, rgba, format: img2.Format.rgba);
|
|
if (Platform.isWindows) {
|
|
data = imgOrigin.getBytes(format: img2.Format.bgra);
|
|
} else {
|
|
ByteData? imgBytes =
|
|
await image.toByteData(format: ui.ImageByteFormat.png);
|
|
if (imgBytes == null) {
|
|
return false;
|
|
}
|
|
data = imgBytes.buffer.asUint8List();
|
|
}
|
|
_cache = CursorData(
|
|
peerId: this.id,
|
|
id: id,
|
|
image: imgOrigin,
|
|
scale: 1.0,
|
|
data: data,
|
|
hotxOrigin: _hotx,
|
|
hotyOrigin: _hoty,
|
|
width: w,
|
|
height: h,
|
|
);
|
|
_cacheMap[id] = _cache!;
|
|
return true;
|
|
}
|
|
|
|
updateCursorId(Map<String, dynamic> evt) async {
|
|
final id = int.parse(evt['id']);
|
|
_cache = _cacheMap[id];
|
|
final tmp = _images[id];
|
|
if (tmp != null) {
|
|
_image = tmp.item1;
|
|
_hotx = tmp.item2;
|
|
_hoty = tmp.item3;
|
|
notifyListeners();
|
|
} else {
|
|
debugPrint(
|
|
'WARNING: updateCursorId $id, cache is ${_cache == null ? "null" : "not null"}. without notifyListeners()');
|
|
}
|
|
}
|
|
|
|
/// Update the cursor position.
|
|
updateCursorPosition(Map<String, dynamic> evt, String id) async {
|
|
if (!isConnIn2Secs()) {
|
|
gotMouseControl = false;
|
|
_lastPeerMouse = DateTime.now();
|
|
}
|
|
_x = double.parse(evt['x']);
|
|
_y = double.parse(evt['y']);
|
|
try {
|
|
RemoteCursorMovedState.find(id).value = true;
|
|
} catch (e) {
|
|
//
|
|
}
|
|
notifyListeners();
|
|
}
|
|
|
|
updateDisplayOrigin(double x, double y) {
|
|
_displayOriginX = x;
|
|
_displayOriginY = y;
|
|
_x = x + 1;
|
|
_y = y + 1;
|
|
parent.target?.inputModel.moveMouse(x, y);
|
|
parent.target?.canvasModel.resetOffset();
|
|
notifyListeners();
|
|
}
|
|
|
|
updateDisplayOriginWithCursor(
|
|
double x, double y, double xCursor, double yCursor) {
|
|
_displayOriginX = x;
|
|
_displayOriginY = y;
|
|
_x = xCursor;
|
|
_y = yCursor;
|
|
parent.target?.inputModel.moveMouse(x, y);
|
|
notifyListeners();
|
|
}
|
|
|
|
clear() {
|
|
_x = -10000;
|
|
_x = -10000;
|
|
_image = null;
|
|
_images.clear();
|
|
|
|
_clearCache();
|
|
_cache = null;
|
|
_cacheMap.clear();
|
|
}
|
|
|
|
_clearCache() {
|
|
final keys = {...cachedKeys};
|
|
for (var k in keys) {
|
|
debugPrint("deleting cursor with key $k");
|
|
CursorManager.instance.deleteCursor(k);
|
|
}
|
|
}
|
|
}
|
|
|
|
class QualityMonitorData {
|
|
String? speed;
|
|
String? fps;
|
|
String? delay;
|
|
String? targetBitrate;
|
|
String? codecFormat;
|
|
}
|
|
|
|
class QualityMonitorModel with ChangeNotifier {
|
|
WeakReference<FFI> parent;
|
|
|
|
QualityMonitorModel(this.parent);
|
|
var _show = false;
|
|
final _data = QualityMonitorData();
|
|
|
|
bool get show => _show;
|
|
QualityMonitorData get data => _data;
|
|
|
|
checkShowQualityMonitor(String id) async {
|
|
final show = await bind.sessionGetToggleOption(
|
|
id: id, arg: 'show-quality-monitor') ==
|
|
true;
|
|
if (_show != show) {
|
|
_show = show;
|
|
notifyListeners();
|
|
}
|
|
}
|
|
|
|
updateQualityStatus(Map<String, dynamic> evt) {
|
|
try {
|
|
if ((evt['speed'] as String).isNotEmpty) _data.speed = evt['speed'];
|
|
if ((evt['fps'] as String).isNotEmpty) _data.fps = evt['fps'];
|
|
if ((evt['delay'] as String).isNotEmpty) _data.delay = evt['delay'];
|
|
if ((evt['target_bitrate'] as String).isNotEmpty) {
|
|
_data.targetBitrate = evt['target_bitrate'];
|
|
}
|
|
if ((evt['codec_format'] as String).isNotEmpty) {
|
|
_data.codecFormat = evt['codec_format'];
|
|
}
|
|
notifyListeners();
|
|
} catch (e) {
|
|
//
|
|
}
|
|
}
|
|
}
|
|
|
|
class RecordingModel with ChangeNotifier {
|
|
WeakReference<FFI> parent;
|
|
RecordingModel(this.parent);
|
|
bool _start = false;
|
|
get start => _start;
|
|
|
|
onSwitchDisplay() {
|
|
if (isIOS || !_start) return;
|
|
var id = parent.target?.id;
|
|
int? width = parent.target?.canvasModel.getDisplayWidth();
|
|
int? height = parent.target?.canvasModel.getDisplayHeight();
|
|
if (id == null || width == null || height == null) return;
|
|
bind.sessionRecordScreen(id: id, start: true, width: width, height: height);
|
|
}
|
|
|
|
toggle() {
|
|
if (isIOS) return;
|
|
var id = parent.target?.id;
|
|
if (id == null) return;
|
|
_start = !_start;
|
|
notifyListeners();
|
|
if (_start) {
|
|
bind.sessionRefresh(id: id);
|
|
} else {
|
|
bind.sessionRecordScreen(id: id, start: false, width: 0, height: 0);
|
|
}
|
|
}
|
|
|
|
onClose() {
|
|
if (isIOS) return;
|
|
var id = parent.target?.id;
|
|
if (id == null) return;
|
|
_start = false;
|
|
bind.sessionRecordScreen(id: id, start: false, width: 0, height: 0);
|
|
}
|
|
}
|
|
|
|
class ElevationModel with ChangeNotifier {
|
|
WeakReference<FFI> parent;
|
|
ElevationModel(this.parent);
|
|
bool _running = false;
|
|
bool _canElevate = false;
|
|
bool get showRequestMenu => _canElevate && !_running;
|
|
onPeerInfo(PeerInfo pi) {
|
|
_canElevate = pi.platform == kPeerPlatformWindows && pi.sasEnabled == false;
|
|
}
|
|
|
|
onPortableServiceRunning(Map<String, dynamic> evt) {
|
|
_running = evt['running'] == 'true';
|
|
}
|
|
}
|
|
|
|
enum ConnType { defaultConn, fileTransfer, portForward, rdp }
|
|
|
|
/// Flutter state manager and data communication with the Rust core.
|
|
class FFI {
|
|
var id = '';
|
|
var version = '';
|
|
var connType = ConnType.defaultConn;
|
|
|
|
/// dialogManager use late to ensure init after main page binding [globalKey]
|
|
late final dialogManager = OverlayDialogManager();
|
|
|
|
late final ImageModel imageModel; // session
|
|
late final FfiModel ffiModel; // session
|
|
late final CursorModel cursorModel; // session
|
|
late final CanvasModel canvasModel; // session
|
|
late final ServerModel serverModel; // global
|
|
late final ChatModel chatModel; // session
|
|
late final FileModel fileModel; // session
|
|
late final AbModel abModel; // global
|
|
late final GroupModel groupModel; // global
|
|
late final UserModel userModel; // global
|
|
late final PeerTabModel peerTabModel; // global
|
|
late final QualityMonitorModel qualityMonitorModel; // session
|
|
late final RecordingModel recordingModel; // session
|
|
late final InputModel inputModel; // session
|
|
late final ElevationModel elevationModel; // session
|
|
|
|
FFI() {
|
|
imageModel = ImageModel(WeakReference(this));
|
|
ffiModel = FfiModel(WeakReference(this));
|
|
cursorModel = CursorModel(WeakReference(this));
|
|
canvasModel = CanvasModel(WeakReference(this));
|
|
serverModel = ServerModel(WeakReference(this));
|
|
chatModel = ChatModel(WeakReference(this));
|
|
fileModel = FileModel(WeakReference(this));
|
|
userModel = UserModel(WeakReference(this));
|
|
peerTabModel = PeerTabModel(WeakReference(this));
|
|
abModel = AbModel(WeakReference(this));
|
|
groupModel = GroupModel(WeakReference(this));
|
|
qualityMonitorModel = QualityMonitorModel(WeakReference(this));
|
|
recordingModel = RecordingModel(WeakReference(this));
|
|
inputModel = InputModel(WeakReference(this));
|
|
elevationModel = ElevationModel(WeakReference(this));
|
|
}
|
|
|
|
/// Start with the given [id]. Only transfer file if [isFileTransfer], only port forward if [isPortForward].
|
|
void start(String id,
|
|
{bool isFileTransfer = false,
|
|
bool isPortForward = false,
|
|
String? switchUuid,
|
|
String? password,
|
|
bool? forceRelay}) {
|
|
assert(!(isFileTransfer && isPortForward), 'more than one connect type');
|
|
if (isFileTransfer) {
|
|
connType = ConnType.fileTransfer;
|
|
id = 'ft_$id';
|
|
} else if (isPortForward) {
|
|
connType = ConnType.portForward;
|
|
id = 'pf_$id';
|
|
} else {
|
|
chatModel.resetClientMode();
|
|
canvasModel.id = id;
|
|
imageModel.id = id;
|
|
cursorModel.id = id;
|
|
}
|
|
// ignore: unused_local_variable
|
|
final addRes = bind.sessionAddSync(
|
|
id: id,
|
|
isFileTransfer: isFileTransfer,
|
|
isPortForward: isPortForward,
|
|
switchUuid: switchUuid ?? "",
|
|
forceRelay: forceRelay ?? false,
|
|
password: password ?? "",
|
|
);
|
|
final stream = bind.sessionStart(id: id);
|
|
final cb = ffiModel.startEventListener(id);
|
|
() async {
|
|
final useTextureRender = bind.mainUseTextureRender();
|
|
// Preserved for the rgba data.
|
|
await for (final message in stream) {
|
|
if (message is EventToUI_Event) {
|
|
if (message.field0 == "close") {
|
|
break;
|
|
}
|
|
try {
|
|
Map<String, dynamic> event = json.decode(message.field0);
|
|
await cb(event);
|
|
} catch (e) {
|
|
debugPrint('json.decode fail1(): $e, ${message.field0}');
|
|
}
|
|
} else if (message is EventToUI_Rgba) {
|
|
if (useTextureRender) {
|
|
if (_waitForImage[id]!) {
|
|
_waitForImage[id] = false;
|
|
dialogManager.dismissAll();
|
|
for (final cb in imageModel.callbacksOnFirstImage) {
|
|
cb(id);
|
|
}
|
|
await canvasModel.updateViewStyle();
|
|
await canvasModel.updateScrollStyle();
|
|
}
|
|
} else {
|
|
// Fetch the image buffer from rust codes.
|
|
final sz = platformFFI.getRgbaSize(id);
|
|
if (sz == null || sz == 0) {
|
|
return;
|
|
}
|
|
final rgba = platformFFI.getRgba(id, sz);
|
|
if (rgba != null) {
|
|
imageModel.onRgba(rgba);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
debugPrint('Exit session event loop');
|
|
}();
|
|
// every instance will bind a stream
|
|
this.id = id;
|
|
}
|
|
|
|
/// Login with [password], choose if the client should [remember] it.
|
|
void login(String id, String password, bool remember) {
|
|
bind.sessionLogin(id: id, password: password, remember: remember);
|
|
}
|
|
|
|
/// Close the remote session.
|
|
Future<void> close() async {
|
|
chatModel.close();
|
|
if (imageModel.image != null && !isWebDesktop) {
|
|
await setCanvasConfig(id, cursorModel.x, cursorModel.y, canvasModel.x,
|
|
canvasModel.y, canvasModel.scale, ffiModel.pi.currentDisplay);
|
|
}
|
|
imageModel.update(null);
|
|
cursorModel.clear();
|
|
ffiModel.clear();
|
|
canvasModel.clear();
|
|
inputModel.resetModifiers();
|
|
await bind.sessionClose(id: id);
|
|
debugPrint('model $id closed');
|
|
id = '';
|
|
}
|
|
|
|
void setMethodCallHandler(FMethod callback) {
|
|
platformFFI.setMethodCallHandler(callback);
|
|
}
|
|
|
|
Future<bool> invokeMethod(String method, [dynamic arguments]) async {
|
|
return await platformFFI.invokeMethod(method, arguments);
|
|
}
|
|
}
|
|
|
|
class Display {
|
|
double x = 0;
|
|
double y = 0;
|
|
int width = 0;
|
|
int height = 0;
|
|
bool cursorEmbedded = false;
|
|
|
|
Display() {
|
|
width = (isDesktop || isWebDesktop)
|
|
? kDesktopDefaultDisplayWidth
|
|
: kMobileDefaultDisplayWidth;
|
|
height = (isDesktop || isWebDesktop)
|
|
? kDesktopDefaultDisplayHeight
|
|
: kMobileDefaultDisplayHeight;
|
|
}
|
|
|
|
@override
|
|
bool operator ==(Object other) =>
|
|
other is Display &&
|
|
other.runtimeType == runtimeType &&
|
|
_innerEqual(other);
|
|
|
|
bool _innerEqual(Display other) =>
|
|
other.x == x &&
|
|
other.y == y &&
|
|
other.width == width &&
|
|
other.height == height &&
|
|
other.cursorEmbedded == cursorEmbedded;
|
|
}
|
|
|
|
class Resolution {
|
|
int width = 0;
|
|
int height = 0;
|
|
Resolution(this.width, this.height);
|
|
|
|
@override
|
|
String toString() {
|
|
return 'Resolution($width,$height)';
|
|
}
|
|
}
|
|
|
|
class Features {
|
|
bool privacyMode = false;
|
|
}
|
|
|
|
class PeerInfo {
|
|
String version = '';
|
|
String username = '';
|
|
String hostname = '';
|
|
String platform = '';
|
|
bool sasEnabled = false;
|
|
int currentDisplay = 0;
|
|
List<Display> displays = [];
|
|
Features features = Features();
|
|
List<Resolution> resolutions = [];
|
|
Map<String, dynamic> platform_additions = {};
|
|
|
|
bool get is_wayland => platform_additions['is_wayland'] == true;
|
|
}
|
|
|
|
const canvasKey = 'canvas';
|
|
|
|
Future<void> setCanvasConfig(String id, double xCursor, double yCursor,
|
|
double xCanvas, double yCanvas, double scale, int currentDisplay) async {
|
|
final p = <String, dynamic>{};
|
|
p['xCursor'] = xCursor;
|
|
p['yCursor'] = yCursor;
|
|
p['xCanvas'] = xCanvas;
|
|
p['yCanvas'] = yCanvas;
|
|
p['scale'] = scale;
|
|
p['currentDisplay'] = currentDisplay;
|
|
await bind.sessionSetFlutterConfig(id: id, k: canvasKey, v: jsonEncode(p));
|
|
}
|
|
|
|
Future<Map<String, dynamic>?> getCanvasConfig(String id) async {
|
|
if (!isWebDesktop) return null;
|
|
var p = await bind.sessionGetFlutterConfig(id: id, k: canvasKey);
|
|
if (p == null || p.isEmpty) return null;
|
|
try {
|
|
Map<String, dynamic> m = json.decode(p);
|
|
return m;
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
void removePreference(String id) async {
|
|
await bind.sessionSetFlutterConfig(id: id, k: canvasKey, v: '');
|
|
}
|
|
|
|
Future<void> initializeCursorAndCanvas(FFI ffi) async {
|
|
var p = await getCanvasConfig(ffi.id);
|
|
int currentDisplay = 0;
|
|
if (p != null) {
|
|
currentDisplay = p['currentDisplay'];
|
|
}
|
|
if (p == null || currentDisplay != ffi.ffiModel.pi.currentDisplay) {
|
|
ffi.cursorModel
|
|
.updateDisplayOrigin(ffi.ffiModel.display.x, ffi.ffiModel.display.y);
|
|
return;
|
|
}
|
|
double xCursor = p['xCursor'];
|
|
double yCursor = p['yCursor'];
|
|
double xCanvas = p['xCanvas'];
|
|
double yCanvas = p['yCanvas'];
|
|
double scale = p['scale'];
|
|
ffi.cursorModel.updateDisplayOriginWithCursor(
|
|
ffi.ffiModel.display.x, ffi.ffiModel.display.y, xCursor, yCursor);
|
|
ffi.canvasModel.update(xCanvas, yCanvas, scale);
|
|
}
|