2410 lines
		
	
	
		
			76 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
			
		
		
	
	
			2410 lines
		
	
	
		
			76 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
| import 'dart:async';
 | |
| import 'dart:convert';
 | |
| import 'dart:io';
 | |
| import 'dart:math';
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| import 'dart:typed_data';
 | |
| import 'dart:ui' as ui;
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| 
 | |
| import 'package:desktop_multi_window/desktop_multi_window.dart';
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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/cm_file_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/models/desktop_render_texture.dart';
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| import 'package:flutter_hbb/plugin/event.dart';
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| import 'package:flutter_hbb/plugin/manager.dart';
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| import 'package:flutter_hbb/plugin/widgets/desc_ui.dart';
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| import 'package:flutter_hbb/common/shared_state.dart';
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| import 'package:flutter_hbb/utils/multi_window_manager.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 'package:uuid/uuid.dart';
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| import 'package:window_manager/window_manager.dart';
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| 
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| import '../common.dart';
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| import '../utils/image.dart' as img;
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| import '../common/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, SessionID, bool);
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| final _constSessionId = Uuid().v4obj();
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| 
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| class CachedPeerData {
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|   Map<String, dynamic> updatePrivacyMode = {};
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|   Map<String, dynamic> peerInfo = {};
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|   List<Map<String, dynamic>> cursorDataList = [];
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|   Map<String, dynamic> lastCursorId = {};
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|   bool secure = false;
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|   bool direct = false;
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| 
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|   CachedPeerData();
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| 
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|   @override
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|   String toString() {
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|     return jsonEncode({
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|       'updatePrivacyMode': updatePrivacyMode,
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|       'peerInfo': peerInfo,
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|       'cursorDataList': cursorDataList,
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|       'lastCursorId': lastCursorId,
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|       'secure': secure,
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|       'direct': direct,
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|     });
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|   }
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| 
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|   static CachedPeerData? fromString(String s) {
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|     try {
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|       final map = jsonDecode(s);
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|       final data = CachedPeerData();
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|       data.updatePrivacyMode = map['updatePrivacyMode'];
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|       data.peerInfo = map['peerInfo'];
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|       for (final cursorData in map['cursorDataList']) {
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|         data.cursorDataList.add(cursorData);
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|       }
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|       data.lastCursorId = map['lastCursorId'];
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|       data.secure = map['secure'];
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|       data.direct = map['direct'];
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|       return data;
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|     } catch (e) {
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|       debugPrint('Failed to parse CachedPeerData: $e');
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|       return null;
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|     }
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|   }
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| }
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| 
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| class FfiModel with ChangeNotifier {
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|   CachedPeerData cachedPeerData = CachedPeerData();
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|   PeerInfo _pi = PeerInfo();
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|   Rect? _rect;
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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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|   late final SessionID sessionId;
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| 
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|   RxBool waitForImageDialogShow = true.obs;
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|   Timer? waitForImageTimer;
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|   RxBool waitForFirstImage = true.obs;
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| 
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|   Rect? get rect => _rect;
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|   bool get isOriginalResolutionSet =>
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|       _pi.tryGetDisplayIfNotAllDisplay()?.isOriginalResolutionSet ?? false;
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|   bool get isVirtualDisplayResolution =>
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|       _pi.tryGetDisplayIfNotAllDisplay()?.isVirtualDisplayResolution ?? false;
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|   bool get isOriginalResolution =>
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|       _pi.tryGetDisplayIfNotAllDisplay()?.isOriginalResolution ?? false;
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| 
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|   Map<String, bool> get permissions => _permissions;
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| 
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|   bool? get secure => _secure;
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| 
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|   bool? get direct => _direct;
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| 
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|   PeerInfo get pi => _pi;
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| 
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|   bool get inputBlocked => _inputBlocked;
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| 
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|   bool get touchMode => _touchMode;
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| 
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|   bool get isPeerAndroid => _pi.platform == kPeerPlatformAndroid;
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| 
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|   bool get viewOnly => _viewOnly;
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| 
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|   set inputBlocked(v) {
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|     _inputBlocked = v;
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|   }
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| 
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|   FfiModel(this.parent) {
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|     clear();
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|     sessionId = parent.target!.sessionId;
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|   }
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| 
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|   Rect? displaysRect() {
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|     final displays = _pi.getCurDisplays();
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|     if (displays.isEmpty) {
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|       return null;
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|     }
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|     double l = displays[0].x;
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|     double t = displays[0].y;
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|     double r = displays[0].x + displays[0].width;
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|     double b = displays[0].y + displays[0].height;
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|     for (var display in displays.sublist(1)) {
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|       l = min(l, display.x);
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|       t = min(t, display.y);
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|       r = max(r, display.x + display.width);
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|       b = max(b, display.y + display.height);
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|     }
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|     return Rect.fromLTRB(l, t, r, b);
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|   }
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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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| 
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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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| 
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|   bool get keyboard => _permissions['keyboard'] != false;
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| 
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|   clear() {
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|     _pi = PeerInfo();
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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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|     waitForImageTimer?.cancel();
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|   }
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| 
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|   setConnectionType(String peerId, bool secure, bool direct) {
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|     cachedPeerData.secure = secure;
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|     cachedPeerData.direct = 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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| 
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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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| 
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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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| 
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|   handleCachedPeerData(CachedPeerData data, String peerId) async {
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|     handleMsgBox({
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|       'type': 'success',
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|       'title': 'Successful',
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|       'text': 'Connected, waiting for image...',
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|       'link': '',
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|     }, sessionId, peerId);
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|     updatePrivacyMode(data.updatePrivacyMode, sessionId, peerId);
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|     setConnectionType(peerId, data.secure, data.direct);
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|     await handlePeerInfo(data.peerInfo, peerId, true);
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|     for (final element in data.cursorDataList) {
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|       updateLastCursorId(element);
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|       await handleCursorData(element);
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|     }
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|     if (data.lastCursorId.isNotEmpty) {
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|       updateLastCursorId(data.lastCursorId);
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|       handleCursorId(data.lastCursorId);
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|     }
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|   }
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| 
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|   // todo: why called by two position
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|   StreamEventHandler startEventListener(SessionID sessionId, 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, sessionId, peerId);
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|       } else if (name == 'peer_info') {
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|         handlePeerInfo(evt, peerId, false);
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|       } else if (name == 'sync_peer_info') {
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|         handleSyncPeerInfo(evt, sessionId, 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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|         // switch display is kept for backward compatibility
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|         handleSwitchDisplay(evt, sessionId, peerId);
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|       } else if (name == 'cursor_data') {
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|         updateLastCursorId(evt);
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|         await handleCursorData(evt);
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|       } else if (name == 'cursor_id') {
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|         updateLastCursorId(evt);
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|         handleCursorId(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, sessionId, peerId);
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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, sessionId);
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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(sessionId: sessionId);
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|         closeConnection(id: peer_id);
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|       } else if (name == 'portable_service_running') {
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|         _handlePortableServiceRunning(peerId, evt);
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|       } else if (name == 'on_url_scheme_received') {
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|         // currently comes from "_url" ipc of mac and dbus of linux
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|         onUrlSchemeReceived(evt);
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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();
 | |
|       } 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);
 | |
|       } 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);
 | |
|       } else if (name == 'fingerprint') {
 | |
|         FingerprintState.find(peerId).value = evt['fingerprint'] ?? '';
 | |
|       } else if (name == 'plugin_manager') {
 | |
|         pluginManager.handleEvent(evt);
 | |
|       } else if (name == 'plugin_event') {
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|         handlePluginEvent(evt,
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|             (Map<String, dynamic> e) => handleMsgBox(e, sessionId, peerId));
 | |
|       } else if (name == 'plugin_reload') {
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|         handleReloading(evt);
 | |
|       } else if (name == 'plugin_option') {
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|         handleOption(evt);
 | |
|       } else if (name == "sync_peer_password_to_ab") {
 | |
|         if (desktopType == DesktopType.main) {
 | |
|           final id = evt['id'];
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|           final password = evt['password'];
 | |
|           if (id != null && password != null) {
 | |
|             if (gFFI.abModel
 | |
|                 .changePassword(id.toString(), password.toString())) {
 | |
|               gFFI.abModel.pushAb(toastIfFail: false, toastIfSucc: false);
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|       } else if (name == "cm_file_transfer_log") {
 | |
|         if (isDesktop) {
 | |
|           gFFI.cmFileModel.onFileTransferLog(evt['log']);
 | |
|         }
 | |
|       } else {
 | |
|         debugPrint('Unknown event name: $name');
 | |
|       }
 | |
|     };
 | |
|   }
 | |
| 
 | |
|   onUrlSchemeReceived(Map<String, dynamic> evt) {
 | |
|     final url = evt['url'].toString().trim();
 | |
|     if (url.startsWith(kUniLinksPrefix) && handleUriLink(uriString: url)) {
 | |
|       return;
 | |
|     }
 | |
|     switch (url) {
 | |
|       case kUrlActionClose:
 | |
|         debugPrint("closing all instances");
 | |
|         Future.microtask(() async {
 | |
|           await rustDeskWinManager.closeAllSubWindows();
 | |
|           windowManager.close();
 | |
|         });
 | |
|         break;
 | |
|       default:
 | |
|         windowOnTop(null);
 | |
|         break;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /// Bind the event listener to receive events from the Rust core.
 | |
|   updateEventListener(SessionID sessionId, String peerId) {
 | |
|     platformFFI.setEventCallback(startEventListener(sessionId, peerId));
 | |
|   }
 | |
| 
 | |
|   _handlePortableServiceRunning(String peerId, Map<String, dynamic> evt) {
 | |
|     final running = evt['running'] == 'true';
 | |
|     parent.target?.elevationModel.onPortableServiceRunning(running);
 | |
|     if (running) {
 | |
|       if (pi.primaryDisplay != kInvalidDisplayIndex) {
 | |
|         if (pi.currentDisplay != pi.primaryDisplay) {
 | |
|           // Notify to switch display
 | |
|           msgBox(sessionId, 'custom-nook-nocancel-hasclose-info', 'Prompt',
 | |
|               'elevated_switch_display_msg', '', parent.target!.dialogManager);
 | |
|           bind.sessionSwitchDisplay(
 | |
|               sessionId: sessionId,
 | |
|               value: Int32List.fromList([pi.primaryDisplay]));
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   handleAliasChanged(Map<String, dynamic> evt) {
 | |
|     if (!isDesktop) return;
 | |
|     final String peerId = evt['id'];
 | |
|     final String alias = evt['alias'];
 | |
|     String label = getDesktopTabLabel(peerId, alias);
 | |
|     final rxTabLabel = PeerStringOption.find(evt['id'], 'tabLabel');
 | |
|     if (rxTabLabel.value != label) {
 | |
|       rxTabLabel.value = label;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   updateCurDisplay(SessionID sessionId) {
 | |
|     final newRect = displaysRect();
 | |
|     if (newRect == null) {
 | |
|       return;
 | |
|     }
 | |
|     if (newRect != _rect) {
 | |
|       if (newRect.left != _rect?.left || newRect.top != _rect?.top) {
 | |
|         parent.target?.cursorModel
 | |
|             .updateDisplayOrigin(newRect.left, newRect.top);
 | |
|       }
 | |
|       _rect = newRect;
 | |
|       parent.target?.canvasModel.updateViewStyle();
 | |
|       _updateSessionWidthHeight(sessionId);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   handleSwitchDisplay(
 | |
|       Map<String, dynamic> evt, SessionID sessionId, String peerId) {
 | |
|     final curDisplay = int.parse(evt['display']);
 | |
| 
 | |
|     if (_pi.currentDisplay != kAllDisplayValue) {
 | |
|       if (bind.peerGetDefaultSessionsCount(id: peerId) > 1) {
 | |
|         if (curDisplay != _pi.currentDisplay) {
 | |
|           return;
 | |
|         }
 | |
|       }
 | |
|       _pi.currentDisplay = curDisplay;
 | |
|     }
 | |
| 
 | |
|     var newDisplay = Display();
 | |
|     newDisplay.x = double.tryParse(evt['x']) ?? newDisplay.x;
 | |
|     newDisplay.y = double.tryParse(evt['y']) ?? newDisplay.y;
 | |
|     newDisplay.width = int.tryParse(evt['width']) ?? newDisplay.width;
 | |
|     newDisplay.height = int.tryParse(evt['height']) ?? newDisplay.height;
 | |
|     newDisplay.cursorEmbedded = int.tryParse(evt['cursor_embedded']) == 1;
 | |
|     newDisplay.originalWidth =
 | |
|         int.tryParse(evt['original_width']) ?? kInvalidResolutionValue;
 | |
|     newDisplay.originalHeight =
 | |
|         int.tryParse(evt['original_height']) ?? kInvalidResolutionValue;
 | |
|     _pi.displays[curDisplay] = newDisplay;
 | |
| 
 | |
|     updateCurDisplay(sessionId);
 | |
|     try {
 | |
|       CurrentDisplayState.find(peerId).value = curDisplay;
 | |
|     } catch (e) {
 | |
|       //
 | |
|     }
 | |
|     parent.target?.recordingModel.onSwitchDisplay();
 | |
|     handleResolutions(peerId, evt['resolutions']);
 | |
|     notifyListeners();
 | |
|   }
 | |
| 
 | |
|   cancelMsgBox(Map<String, dynamic> evt, SessionID sessionId) {
 | |
|     if (parent.target == null) return;
 | |
|     final dialogManager = parent.target!.dialogManager;
 | |
|     final tag = '$sessionId-${evt['tag']}';
 | |
|     dialogManager.dismissByTag(tag);
 | |
|   }
 | |
| 
 | |
|   /// Handle the message box event based on [evt] and [id].
 | |
|   handleMsgBox(Map<String, dynamic> evt, SessionID sessionId, String peerId) {
 | |
|     if (parent.target == null) return;
 | |
|     final dialogManager = parent.target!.dialogManager;
 | |
|     final type = evt['type'];
 | |
|     final title = evt['title'];
 | |
|     final text = evt['text'];
 | |
|     final link = evt['link'];
 | |
|     if (type == 're-input-password') {
 | |
|       wrongPasswordDialog(sessionId, dialogManager, type, title, text);
 | |
|     } else if (type == 'input-password') {
 | |
|       enterPasswordDialog(sessionId, dialogManager);
 | |
|     } else if (type == 'session-login' || type == 'session-re-login') {
 | |
|       enterUserLoginDialog(sessionId, dialogManager);
 | |
|     } else if (type == 'session-login-password' ||
 | |
|         type == 'session-login-password') {
 | |
|       enterUserLoginAndPasswordDialog(sessionId, dialogManager);
 | |
|     } else if (type == 'restarting') {
 | |
|       showMsgBox(sessionId, type, title, text, link, false, dialogManager,
 | |
|           hasCancel: false);
 | |
|     } else if (type == 'wait-remote-accept-nook') {
 | |
|       showWaitAcceptDialog(sessionId, type, title, text, dialogManager);
 | |
|     } else if (type == 'on-uac' || type == 'on-foreground-elevated') {
 | |
|       showOnBlockDialog(sessionId, type, title, text, dialogManager);
 | |
|     } else if (type == 'wait-uac') {
 | |
|       showWaitUacDialog(sessionId, dialogManager, type);
 | |
|     } else if (type == 'elevation-error') {
 | |
|       showElevationError(sessionId, type, title, text, dialogManager);
 | |
|     } else if (type == 'relay-hint') {
 | |
|       showRelayHintDialog(sessionId, type, title, text, dialogManager, peerId);
 | |
|     } else if (text == 'Connected, waiting for image...') {
 | |
|       showConnectedWaitingForImage(dialogManager, sessionId, type, title, text);
 | |
|     } else {
 | |
|       var hasRetry = evt['hasRetry'] == 'true';
 | |
|       showMsgBox(sessionId, type, title, text, link, hasRetry, dialogManager);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /// Show a message box with [type], [title] and [text].
 | |
|   showMsgBox(SessionID sessionId, String type, String title, String text,
 | |
|       String link, bool hasRetry, OverlayDialogManager dialogManager,
 | |
|       {bool? hasCancel}) {
 | |
|     msgBox(sessionId, type, title, text, link, dialogManager,
 | |
|         hasCancel: hasCancel,
 | |
|         reconnect: reconnect,
 | |
|         reconnectTimeout: hasRetry ? _reconnects : null);
 | |
|     _timer?.cancel();
 | |
|     if (hasRetry) {
 | |
|       _timer = Timer(Duration(seconds: _reconnects), () {
 | |
|         reconnect(dialogManager, sessionId, false);
 | |
|       });
 | |
|       _reconnects *= 2;
 | |
|     } else {
 | |
|       _reconnects = 1;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   void reconnect(OverlayDialogManager dialogManager, SessionID sessionId,
 | |
|       bool forceRelay) {
 | |
|     bind.sessionReconnect(sessionId: sessionId, forceRelay: forceRelay);
 | |
|     clearPermissions();
 | |
|     dialogManager.dismissAll();
 | |
|     dialogManager.showLoading(translate('Connecting...'),
 | |
|         onCancel: closeConnection);
 | |
|   }
 | |
| 
 | |
|   void showRelayHintDialog(SessionID sessionId, String type, String title,
 | |
|       String text, OverlayDialogManager dialogManager, String peerId) {
 | |
|     dialogManager.show(tag: '$sessionId-$type', (setState, close, context) {
 | |
|       onClose() {
 | |
|         closeConnection();
 | |
|         close();
 | |
|       }
 | |
| 
 | |
|       final style =
 | |
|           ElevatedButton.styleFrom(backgroundColor: Colors.green[700]);
 | |
|       var hint = "\n\n${translate('relay_hint_tip')}";
 | |
|       if (text.contains("10054") || text.contains("104")) {
 | |
|         hint = "";
 | |
|       }
 | |
|       final alreadyForceAlwaysRelay = bind
 | |
|           .mainGetPeerOptionSync(id: peerId, key: 'force-always-relay')
 | |
|           .isNotEmpty;
 | |
|       return CustomAlertDialog(
 | |
|         title: null,
 | |
|         content: msgboxContent(type, title, "${translate(text)}$hint"),
 | |
|         actions: [
 | |
|           dialogButton('Close', onPressed: onClose, isOutline: true),
 | |
|           dialogButton('Retry',
 | |
|               onPressed: () => reconnect(dialogManager, sessionId, false)),
 | |
|           if (!alreadyForceAlwaysRelay)
 | |
|             dialogButton('Connect via relay',
 | |
|                 onPressed: () => reconnect(dialogManager, sessionId, true),
 | |
|                 buttonStyle: style),
 | |
|         ],
 | |
|         onCancel: onClose,
 | |
|       );
 | |
|     });
 | |
|   }
 | |
| 
 | |
|   void showConnectedWaitingForImage(OverlayDialogManager dialogManager,
 | |
|       SessionID sessionId, String type, String title, String text) {
 | |
|     onClose() {
 | |
|       closeConnection();
 | |
|     }
 | |
| 
 | |
|     if (waitForFirstImage.isFalse) return;
 | |
|     dialogManager.show(
 | |
|       (setState, close, context) => CustomAlertDialog(
 | |
|           title: null,
 | |
|           content: SelectionArea(child: msgboxContent(type, title, text)),
 | |
|           actions: [
 | |
|             dialogButton("Cancel", onPressed: onClose, isOutline: true)
 | |
|           ],
 | |
|           onCancel: onClose),
 | |
|       tag: '$sessionId-waiting-for-image',
 | |
|     );
 | |
|     waitForImageDialogShow.value = true;
 | |
|     waitForImageTimer = Timer(Duration(milliseconds: 1500), () {
 | |
|       if (waitForFirstImage.isTrue) {
 | |
|         bind.sessionInputOsPassword(sessionId: sessionId, value: '');
 | |
|       }
 | |
|     });
 | |
|     bind.sessionOnWaitingForImageDialogShow(sessionId: sessionId);
 | |
|   }
 | |
| 
 | |
|   _updateSessionWidthHeight(SessionID sessionId) {
 | |
|     if (_rect == null) return;
 | |
|     if (_rect!.width <= 0 || _rect!.height <= 0) {
 | |
|       debugPrintStack(
 | |
|           label: 'invalid display size (${_rect!.width},${_rect!.height})');
 | |
|     } else {
 | |
|       final displays = _pi.getCurDisplays();
 | |
|       if (displays.length == 1) {
 | |
|         bind.sessionSetSize(
 | |
|           sessionId: sessionId,
 | |
|           display:
 | |
|               pi.currentDisplay == kAllDisplayValue ? 0 : pi.currentDisplay,
 | |
|           width: _rect!.width.toInt(),
 | |
|           height: _rect!.height.toInt(),
 | |
|         );
 | |
|       } else {
 | |
|         for (int i = 0; i < displays.length; ++i) {
 | |
|           bind.sessionSetSize(
 | |
|             sessionId: sessionId,
 | |
|             display: i,
 | |
|             width: displays[i].width.toInt(),
 | |
|             height: displays[i].height.toInt(),
 | |
|           );
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /// Handle the peer info event based on [evt].
 | |
|   handlePeerInfo(Map<String, dynamic> evt, String peerId, bool isCache) async {
 | |
|     cachedPeerData.peerInfo = evt;
 | |
| 
 | |
|     // recent peer updated by handle_peer_info(ui_session_interface.rs) --> handle_peer_info(client.rs) --> save_config(client.rs)
 | |
|     bind.mainLoadRecentPeers();
 | |
| 
 | |
|     parent.target?.dialogManager.dismissAll();
 | |
|     _pi.version = evt['version'];
 | |
|     _pi.isSupportMultiUiSession =
 | |
|         bind.isSupportMultiUiSession(version: _pi.version);
 | |
|     _pi.username = evt['username'];
 | |
|     _pi.hostname = evt['hostname'];
 | |
|     _pi.platform = evt['platform'];
 | |
|     _pi.sasEnabled = evt['sas_enabled'] == 'true';
 | |
|     final currentDisplay = int.parse(evt['current_display']);
 | |
|     if (_pi.primaryDisplay == kInvalidDisplayIndex) {
 | |
|       _pi.primaryDisplay = currentDisplay;
 | |
|     }
 | |
| 
 | |
|     if (bind.peerGetDefaultSessionsCount(id: peerId) <= 1) {
 | |
|       _pi.currentDisplay = currentDisplay;
 | |
|     }
 | |
| 
 | |
|     try {
 | |
|       CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
 | |
|     } catch (e) {
 | |
|       //
 | |
|     }
 | |
| 
 | |
|     final connType = parent.target?.connType;
 | |
|     if (isPeerAndroid) {
 | |
|       _touchMode = true;
 | |
|     } else {
 | |
|       _touchMode = await bind.sessionGetOption(
 | |
|               sessionId: sessionId, arg: 'touch-mode') !=
 | |
|           '';
 | |
|     }
 | |
|     if (connType == ConnType.fileTransfer) {
 | |
|       parent.target?.fileModel.onReady();
 | |
|     } else if (connType == ConnType.defaultConn) {
 | |
|       _pi.displays = [];
 | |
|       List<dynamic> displays = json.decode(evt['displays']);
 | |
|       for (int i = 0; i < displays.length; ++i) {
 | |
|         _pi.displays.add(evtToDisplay(displays[i]));
 | |
|       }
 | |
|       _pi.displaysCount.value = _pi.displays.length;
 | |
|       if (_pi.currentDisplay < _pi.displays.length) {
 | |
|         // now replaced to _updateCurDisplay
 | |
|         updateCurDisplay(sessionId);
 | |
|       }
 | |
|       if (displays.isNotEmpty) {
 | |
|         _reconnects = 1;
 | |
|         waitForFirstImage.value = true;
 | |
|       }
 | |
|       Map<String, dynamic> features = json.decode(evt['features']);
 | |
|       _pi.features.privacyMode = features['privacy_mode'] == 1;
 | |
|       handleResolutions(peerId, evt["resolutions"]);
 | |
|       parent.target?.elevationModel.onPeerInfo(_pi);
 | |
|     }
 | |
|     if (connType == ConnType.defaultConn) {
 | |
|       setViewOnly(
 | |
|           peerId,
 | |
|           bind.sessionGetToggleOptionSync(
 | |
|               sessionId: sessionId, arg: 'view-only'));
 | |
|     }
 | |
|     if (connType == ConnType.defaultConn) {
 | |
|       final platformAdditions = evt['platform_additions'];
 | |
|       if (platformAdditions != null && platformAdditions != '') {
 | |
|         try {
 | |
|           _pi.platformAdditions = json.decode(platformAdditions);
 | |
|         } catch (e) {
 | |
|           debugPrint('Failed to decode platformAdditions $e');
 | |
|         }
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     _pi.isSet.value = true;
 | |
|     stateGlobal.resetLastResolutionGroupValues(peerId);
 | |
| 
 | |
|     if (isDesktop) {
 | |
|       checkDesktopKeyboardMode();
 | |
|     }
 | |
| 
 | |
|     notifyListeners();
 | |
| 
 | |
|     if (!isCache) {
 | |
|       tryUseAllMyDisplaysForTheRemoteSession(peerId);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   checkDesktopKeyboardMode() async {
 | |
|     final curMode = await bind.sessionGetKeyboardMode(sessionId: sessionId);
 | |
|     if (curMode != null) {
 | |
|       if (bind.sessionIsKeyboardModeSupported(
 | |
|           sessionId: sessionId, mode: curMode)) {
 | |
|         return;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     // If current keyboard mode is not supported, change to another one.
 | |
| 
 | |
|     if (stateGlobal.grabKeyboard) {
 | |
|       for (final mode in [kKeyMapMode, kKeyLegacyMode]) {
 | |
|         if (bind.sessionIsKeyboardModeSupported(
 | |
|             sessionId: sessionId, mode: mode)) {
 | |
|           bind.sessionSetKeyboardMode(sessionId: sessionId, value: mode);
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
|     } else {
 | |
|       for (final mode in [kKeyMapMode, kKeyTranslateMode, kKeyLegacyMode]) {
 | |
|         if (bind.sessionIsKeyboardModeSupported(
 | |
|             sessionId: sessionId, mode: mode)) {
 | |
|           bind.sessionSetKeyboardMode(sessionId: sessionId, value: mode);
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   tryUseAllMyDisplaysForTheRemoteSession(String peerId) async {
 | |
|     if (bind.sessionGetUseAllMyDisplaysForTheRemoteSession(
 | |
|             sessionId: sessionId) !=
 | |
|         'Y') {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     if (!_pi.isSupportMultiDisplay || _pi.displays.length <= 1) {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     final screenRectList = await getScreenRectList();
 | |
|     if (screenRectList.length <= 1) {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     // to-do: peer currentDisplay is the primary display, but the primary display may not be the first display.
 | |
|     // local primary display also may not be the first display.
 | |
|     //
 | |
|     // 0 is assumed to be the primary display here, for now.
 | |
| 
 | |
|     // move to the first display and set fullscreen
 | |
|     bind.sessionSwitchDisplay(
 | |
|         sessionId: sessionId, value: Int32List.fromList([0]));
 | |
|     _pi.currentDisplay = 0;
 | |
|     try {
 | |
|       CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
 | |
|     } catch (e) {
 | |
|       //
 | |
|     }
 | |
|     await tryMoveToScreenAndSetFullscreen(screenRectList[0]);
 | |
| 
 | |
|     final length = _pi.displays.length < screenRectList.length
 | |
|         ? _pi.displays.length
 | |
|         : screenRectList.length;
 | |
|     for (var i = 1; i < length; i++) {
 | |
|       openMonitorInNewTabOrWindow(i, peerId, _pi,
 | |
|           screenRect: screenRectList[i]);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   tryShowAndroidActionsOverlay({int delayMSecs = 10}) {
 | |
|     if (isPeerAndroid) {
 | |
|       if (parent.target?.connType == ConnType.defaultConn &&
 | |
|           parent.target != null &&
 | |
|           parent.target!.ffiModel.permissions['keyboard'] != false) {
 | |
|         Timer(
 | |
|             Duration(milliseconds: delayMSecs),
 | |
|             () => parent.target!.dialogManager
 | |
|                 .showMobileActionsOverlay(ffi: parent.target!));
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   handleResolutions(String id, dynamic resolutions) {
 | |
|     try {
 | |
|       final List<dynamic> dynamicArray = jsonDecode(resolutions as String);
 | |
|       List<Resolution> arr = List.empty(growable: true);
 | |
|       for (int i = 0; i < dynamicArray.length; i++) {
 | |
|         var width = dynamicArray[i]["width"];
 | |
|         var height = dynamicArray[i]["height"];
 | |
|         if (width is int && width > 0 && height is int && height > 0) {
 | |
|           arr.add(Resolution(width, height));
 | |
|         }
 | |
|       }
 | |
|       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");
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   Display evtToDisplay(Map<String, dynamic> evt) {
 | |
|     var d = Display();
 | |
|     d.x = evt['x']?.toDouble() ?? d.x;
 | |
|     d.y = evt['y']?.toDouble() ?? d.y;
 | |
|     d.width = evt['width'] ?? d.width;
 | |
|     d.height = evt['height'] ?? d.height;
 | |
|     d.cursorEmbedded = evt['cursor_embedded'] == 1;
 | |
|     d.originalWidth = evt['original_width'] ?? kInvalidResolutionValue;
 | |
|     d.originalHeight = evt['original_height'] ?? kInvalidResolutionValue;
 | |
|     return d;
 | |
|   }
 | |
| 
 | |
|   updateLastCursorId(Map<String, dynamic> evt) {
 | |
|     parent.target?.cursorModel.id = int.parse(evt['id']);
 | |
|   }
 | |
| 
 | |
|   handleCursorId(Map<String, dynamic> evt) {
 | |
|     cachedPeerData.lastCursorId = evt;
 | |
|     parent.target?.cursorModel.updateCursorId(evt);
 | |
|   }
 | |
| 
 | |
|   handleCursorData(Map<String, dynamic> evt) async {
 | |
|     cachedPeerData.cursorDataList.add(evt);
 | |
|     await parent.target?.cursorModel.updateCursorData(evt);
 | |
|   }
 | |
| 
 | |
|   /// Handle the peer info synchronization event based on [evt].
 | |
|   handleSyncPeerInfo(
 | |
|       Map<String, dynamic> evt, SessionID sessionId, String peerId) async {
 | |
|     if (evt['displays'] != null) {
 | |
|       cachedPeerData.peerInfo['displays'] = evt['displays'];
 | |
|       List<dynamic> displays = json.decode(evt['displays']);
 | |
|       List<Display> newDisplays = [];
 | |
|       for (int i = 0; i < displays.length; ++i) {
 | |
|         newDisplays.add(evtToDisplay(displays[i]));
 | |
|       }
 | |
|       _pi.displays = newDisplays;
 | |
|       _pi.displaysCount.value = _pi.displays.length;
 | |
| 
 | |
|       if (_pi.currentDisplay == kAllDisplayValue) {
 | |
|         updateCurDisplay(sessionId);
 | |
|         // to-do: What if the displays are changed?
 | |
|       } else {
 | |
|         if (_pi.currentDisplay >= 0 &&
 | |
|             _pi.currentDisplay < _pi.displays.length) {
 | |
|           updateCurDisplay(sessionId);
 | |
|         } else {
 | |
|           if (_pi.displays.isNotEmpty) {
 | |
|             // Notify to switch display
 | |
|             msgBox(sessionId, 'custom-nook-nocancel-hasclose-info', 'Prompt',
 | |
|                 'display_is_plugged_out_msg', '', parent.target!.dialogManager);
 | |
|             final newDisplay = pi.primaryDisplay == kInvalidDisplayIndex
 | |
|                 ? 0
 | |
|                 : pi.primaryDisplay;
 | |
|             final displays = newDisplay;
 | |
|             bind.sessionSwitchDisplay(
 | |
|                 sessionId: sessionId, value: Int32List.fromList([displays]));
 | |
| 
 | |
|             if (_pi.isSupportMultiUiSession) {
 | |
|               // If the peer supports multi-ui-session, no switch display message will be send back.
 | |
|               // We need to update the display manually.
 | |
|               switchToNewDisplay(newDisplay, sessionId, peerId);
 | |
|             }
 | |
|           } else {
 | |
|             msgBox(sessionId, 'nocancel-error', 'Prompt', 'No Displays', '',
 | |
|                 parent.target!.dialogManager);
 | |
|           }
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     notifyListeners();
 | |
|   }
 | |
| 
 | |
|   // Directly switch to the new display without waiting for the response.
 | |
|   switchToNewDisplay(int display, SessionID sessionId, String peerId) {
 | |
|     // VideoHandler creation is upon when video frames are received, so either caching commands(don't know next width/height) or stopping recording when switching displays.
 | |
|     parent.target?.recordingModel.onClose();
 | |
|     // no need to wait for the response
 | |
|     pi.currentDisplay = display;
 | |
|     updateCurDisplay(sessionId);
 | |
|     try {
 | |
|       CurrentDisplayState.find(peerId).value = display;
 | |
|     } catch (e) {
 | |
|       //
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   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, SessionID sessionId, String peerId) {
 | |
|     notifyListeners();
 | |
|     try {
 | |
|       PrivacyModeState.find(peerId).value = bind.sessionGetToggleOptionSync(
 | |
|           sessionId: sessionId, arg: 'privacy-mode');
 | |
|     } catch (e) {
 | |
|       //
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   void setViewOnly(String id, bool value) {
 | |
|     if (versionCmp(_pi.version, '1.2.0') < 0) return;
 | |
|     // tmp fix for https://github.com/rustdesk/rustdesk/pull/3706#issuecomment-1481242389
 | |
|     // because below rx not used in mobile version, so not initialized, below code will cause crash
 | |
|     // current our flutter code quality is fucking shit now. !!!!!!!!!!!!!!!!
 | |
|     try {
 | |
|       if (value) {
 | |
|         ShowRemoteCursorState.find(id).value = value;
 | |
|       } else {
 | |
|         ShowRemoteCursorState.find(id).value = bind.sessionGetToggleOptionSync(
 | |
|             sessionId: sessionId, arg: 'show-remote-cursor');
 | |
|       }
 | |
|     } catch (e) {
 | |
|       //
 | |
|     }
 | |
|     if (_viewOnly != value) {
 | |
|       _viewOnly = value;
 | |
|       notifyListeners();
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| class ImageModel with ChangeNotifier {
 | |
|   ui.Image? _image;
 | |
| 
 | |
|   ui.Image? get image => _image;
 | |
| 
 | |
|   String id = '';
 | |
| 
 | |
|   late final SessionID sessionId;
 | |
| 
 | |
|   WeakReference<FFI> parent;
 | |
| 
 | |
|   final List<Function(String)> callbacksOnFirstImage = [];
 | |
| 
 | |
|   ImageModel(this.parent) {
 | |
|     sessionId = parent.target!.sessionId;
 | |
|   }
 | |
| 
 | |
|   addCallbackOnFirstImage(Function(String) cb) => callbacksOnFirstImage.add(cb);
 | |
| 
 | |
|   onRgba(int display, Uint8List rgba) {
 | |
|     final pid = parent.target?.id;
 | |
|     img.decodeImageFromPixels(
 | |
|         rgba,
 | |
|         parent.target?.ffiModel.rect?.width.toInt() ?? 0,
 | |
|         parent.target?.ffiModel.rect?.height.toInt() ?? 0,
 | |
|         isWeb ? ui.PixelFormat.rgba8888 : ui.PixelFormat.bgra8888,
 | |
|         onPixelsCopied: () {
 | |
|       // Unlock the rgba memory from rust codes.
 | |
|       platformFFI.nextRgba(sessionId, display);
 | |
|     }).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(sessionId: sessionId, 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 = '';
 | |
|   late final SessionID sessionId;
 | |
|   // 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) {
 | |
|     sessionId = parent.target!.sessionId;
 | |
|   }
 | |
| 
 | |
|   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(sessionId: sessionId);
 | |
|     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(sessionId: sessionId);
 | |
|     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._pi.cursorEmbedded ?? false;
 | |
| 
 | |
|   int getDisplayWidth() {
 | |
|     final defaultWidth = (isDesktop || isWebDesktop)
 | |
|         ? kDesktopDefaultDisplayWidth
 | |
|         : kMobileDefaultDisplayWidth;
 | |
|     return parent.target?.ffiModel.rect?.width.toInt() ?? defaultWidth;
 | |
|   }
 | |
| 
 | |
|   int getDisplayHeight() {
 | |
|     final defaultHeight = (isDesktop || isWebDesktop)
 | |
|         ? kDesktopDefaultDisplayHeight
 | |
|         : kMobileDefaultDisplayHeight;
 | |
|     return parent.target?.ffiModel.rect?.height.toInt() ?? 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(order: img2.ChannelOrder.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 =
 | |
|     'iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAAAXNSR0IB2cksfwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAkZQTFRFAAAA2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4G2B4GWAwCAAAAAAAA2B4GAAAAMTExAAAAAAAA2B4G2B4G2B4GAAAAmZmZkZGRAQEBAAAA2B4G2B4G2B4G////oKCgAwMDag8D2B4G2B4G2B4Gra2tBgYGbg8D2B4G2B4Gubm5CQkJTwsCVgwC2B4GxcXFDg4OAAAAAAAA2B4G2B4Gz8/PFBQUAAAAAAAA2B4G2B4G2B4G2B4G2B4G2B4G2B4GDgIA2NjYGxsbAAAAAAAA2B4GFwMB4eHhIyMjAAAAAAAA2B4G6OjoLCwsAAAAAAAA2B4G2B4G2B4G2B4G2B4GCQEA4ODgv7+/iYmJY2NjAgICAAAA9PT0Ojo6AAAAAAAAAAAA+/v7SkpKhYWFr6+vAAAAAAAA8/PzOTk5ERER9fX1KCgoAAAAgYGBKioqAAAAAAAApqamlpaWAAAAAAAAAAAAAAAAAAAAAAAALi4u/v7+GRkZAAAAAAAAAAAAAAAAAAAAfn5+AAAAAAAAV1dXkJCQAAAAAAAAAQEBAAAAAAAAAAAA7Hz6BAAAAMJ0Uk5TAAIWEwEynNz6//fVkCAatP2fDUHs6cDD8d0mPfT5fiEskiIR584A0gejr3AZ+P4plfALf5ZiTL85a4ziD6697fzN3UYE4v/4TwrNHuT///tdRKZh///+1U/ZBv///yjb///eAVL//50Cocv//6oFBbPvpGZCbfT//7cIhv///8INM///zBEcWYSZmO7//////1P////ts/////8vBv//////gv//R/z///QQz9sevP///2waXhNO/+fc//8mev/5gAe2r90MAAAByUlEQVR4nGNggANGJmYWBpyAlY2dg5OTi5uHF6s0H78AJxRwCAphyguLgKRExcQlQLSkFLq8tAwnp6ycPNABjAqKQKNElVDllVU4OVVhVquJA81Q10BRoAkUUYbJa4Edoo0sr6PLqaePLG/AyWlohKTAmJPTBFnelAFoixmSAnNOTgsUeQZLTk4rJAXWnJw2EHlbiDyDPCenHZICe04HFrh+RydnBgYWPU5uJAWinJwucPNd3dw9GDw5Ob2QFHBzcnrD7ffx9fMPCOTkDEINhmC4+3x8Q0LDwlEDIoKTMzIKKg9SEBIdE8sZh6SAJZ6Tkx0qD1YQkpCYlIwclCng0AXLQxSEpKalZyCryATKZwkhKQjJzsnNQ1KQXwBUUVhUXBJYWgZREFJeUVmFpMKlWg+anmqgCkJq6+obkG1pLEBTENLU3NKKrIKhrb2js8u4G6Kgpze0r3/CRAZMAHbkpJDJU6ZMmTqtFbuC6TNmhsyaMnsOFlmwgrnzpsxfELJwEXZ5Bp/FS3yWLlsesmLlKuwKVk9Ys5Zh3foN0zduwq5g85atDAzbpqSGbN9RhV0FGOzctWH3lD14FOzdt3H/gQw8Cg4u2gQPAwBYDXXdIH+wqAAAAABJRU5ErkJggg==';
 | |
| 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(order: img2.ChannelOrder.rgba);
 | |
|         _image = await img.decodeImageFromPixels(
 | |
|             data, defaultImg.width, defaultImg.height, ui.PixelFormat.rgba8888);
 | |
| 
 | |
|         double scale = 1.0;
 | |
|         if (Platform.isWindows) {
 | |
|           data = _image2!.getBytes(order: img2.ChannelOrder.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;
 | |
|   int _id = -1;
 | |
|   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 peerId = '';
 | |
|   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;
 | |
| 
 | |
|   set id(int id) => _id = id;
 | |
| 
 | |
|   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 (touchMode) {
 | |
|       final scale = parent.target?.canvasModel.scale ?? 1.0;
 | |
|       _x += dx / scale;
 | |
|       _y += dy / scale;
 | |
|       parent.target?.inputModel.moveMouse(_x, _y);
 | |
|       notifyListeners();
 | |
|       return;
 | |
|     }
 | |
|     if (parent.target?.imageModel.image == null) 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 {
 | |
|     final id = int.parse(evt['id']);
 | |
|     final hotx = double.parse(evt['hotx']);
 | |
|     final hoty = double.parse(evt['hoty']);
 | |
|     final width = int.parse(evt['width']);
 | |
|     final 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);
 | |
|     if (await _updateCache(rgba, image, id, hotx, hoty, width, height)) {
 | |
|       _images[id] = Tuple3(image, hotx, hoty);
 | |
|     }
 | |
| 
 | |
|     // Update last cursor data.
 | |
|     // Do not use the previous `image` and `id`, because `_id` may be changed.
 | |
|     _updateCurData();
 | |
|   }
 | |
| 
 | |
|   Future<bool> _updateCache(
 | |
|     Uint8List rgba,
 | |
|     ui.Image image,
 | |
|     int id,
 | |
|     double hotx,
 | |
|     double hoty,
 | |
|     int w,
 | |
|     int h,
 | |
|   ) async {
 | |
|     Uint8List? data;
 | |
|     img2.Image imgOrigin = img2.Image.fromBytes(
 | |
|         width: w, height: h, bytes: rgba.buffer, order: img2.ChannelOrder.rgba);
 | |
|     if (Platform.isWindows) {
 | |
|       data = imgOrigin.getBytes(order: img2.ChannelOrder.bgra);
 | |
|     } else {
 | |
|       ByteData? imgBytes =
 | |
|           await image.toByteData(format: ui.ImageByteFormat.png);
 | |
|       if (imgBytes == null) {
 | |
|         return false;
 | |
|       }
 | |
|       data = imgBytes.buffer.asUint8List();
 | |
|     }
 | |
|     final cache = CursorData(
 | |
|       peerId: peerId,
 | |
|       id: id,
 | |
|       image: imgOrigin,
 | |
|       scale: 1.0,
 | |
|       data: data,
 | |
|       hotxOrigin: hotx,
 | |
|       hotyOrigin: hoty,
 | |
|       width: w,
 | |
|       height: h,
 | |
|     );
 | |
|     _cacheMap[id] = cache;
 | |
|     return true;
 | |
|   }
 | |
| 
 | |
|   bool _updateCurData() {
 | |
|     _cache = _cacheMap[_id];
 | |
|     final tmp = _images[_id];
 | |
|     if (tmp != null) {
 | |
|       _image = tmp.item1;
 | |
|       _hotx = tmp.item2;
 | |
|       _hoty = tmp.item3;
 | |
|       try {
 | |
|         // may throw exception, because the listener maybe already dispose
 | |
|         notifyListeners();
 | |
|       } catch (e) {
 | |
|         debugPrint(
 | |
|             'WARNING: updateCursorId $_id, without notifyListeners(). $e');
 | |
|       }
 | |
|       return true;
 | |
|     } else {
 | |
|       return false;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   updateCursorId(Map<String, dynamic> evt) {
 | |
|     if (!_updateCurData()) {
 | |
|       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(SessionID sessionId) async {
 | |
|     final show = await bind.sessionGetToggleOption(
 | |
|             sessionId: sessionId, 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) {
 | |
|         final fps = jsonDecode(evt['fps']) as Map<String, dynamic>;
 | |
|         final pi = parent.target?.ffiModel.pi;
 | |
|         if (pi != null) {
 | |
|           final currentDisplay = pi.currentDisplay;
 | |
|           if (currentDisplay != kAllDisplayValue) {
 | |
|             final fps2 = fps[currentDisplay.toString()];
 | |
|             if (fps2 != null) {
 | |
|               _data.fps = fps2.toString();
 | |
|             }
 | |
|           } else if (fps.isNotEmpty) {
 | |
|             final fpsList = [];
 | |
|             for (var i = 0; i < pi.displays.length; i++) {
 | |
|               fpsList.add((fps[i.toString()] ?? 0).toString());
 | |
|             }
 | |
|             _data.fps = fpsList.join(' ');
 | |
|           }
 | |
|         } else {
 | |
|           _data.fps = null;
 | |
|         }
 | |
|       }
 | |
|       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;
 | |
|     final sessionId = parent.target?.sessionId;
 | |
|     int? width = parent.target?.canvasModel.getDisplayWidth();
 | |
|     int? height = parent.target?.canvasModel.getDisplayHeight();
 | |
|     if (sessionId == null || width == null || height == null) return;
 | |
|     final pi = parent.target?.ffiModel.pi;
 | |
|     if (pi == null) return;
 | |
|     final currentDisplay = pi.currentDisplay;
 | |
|     if (currentDisplay == kAllDisplayValue) return;
 | |
|     bind.sessionRecordScreen(
 | |
|         sessionId: sessionId,
 | |
|         start: true,
 | |
|         display: currentDisplay,
 | |
|         width: width,
 | |
|         height: height);
 | |
|   }
 | |
| 
 | |
|   toggle() async {
 | |
|     if (isIOS) return;
 | |
|     final sessionId = parent.target?.sessionId;
 | |
|     if (sessionId == null) return;
 | |
|     final pi = parent.target?.ffiModel.pi;
 | |
|     if (pi == null) return;
 | |
|     final currentDisplay = pi.currentDisplay;
 | |
|     if (currentDisplay == kAllDisplayValue) return;
 | |
|     _start = !_start;
 | |
|     notifyListeners();
 | |
|     await _sendStatusMessage(sessionId, pi, _start);
 | |
|     if (_start) {
 | |
|       sessionRefreshVideo(sessionId, pi);
 | |
|       if (versionCmp(pi.version, '1.2.4') >= 0) {
 | |
|         // will not receive SwitchDisplay since 1.2.4
 | |
|         onSwitchDisplay();
 | |
|       }
 | |
|     } else {
 | |
|       bind.sessionRecordScreen(
 | |
|           sessionId: sessionId,
 | |
|           start: false,
 | |
|           display: currentDisplay,
 | |
|           width: 0,
 | |
|           height: 0);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   onClose() async {
 | |
|     if (isIOS) return;
 | |
|     final sessionId = parent.target?.sessionId;
 | |
|     if (sessionId == null) return;
 | |
|     if (!_start) return;
 | |
|     _start = false;
 | |
|     final pi = parent.target?.ffiModel.pi;
 | |
|     if (pi == null) return;
 | |
|     final currentDisplay = pi.currentDisplay;
 | |
|     if (currentDisplay == kAllDisplayValue) return;
 | |
|     await _sendStatusMessage(sessionId, pi, false);
 | |
|     bind.sessionRecordScreen(
 | |
|         sessionId: sessionId,
 | |
|         start: false,
 | |
|         display: currentDisplay,
 | |
|         width: 0,
 | |
|         height: 0);
 | |
|   }
 | |
| 
 | |
|   _sendStatusMessage(SessionID sessionId, PeerInfo pi, bool status) async {
 | |
|     await bind.sessionRecordStatus(sessionId: sessionId, status: status);
 | |
|   }
 | |
| }
 | |
| 
 | |
| 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;
 | |
|     _running = false;
 | |
|   }
 | |
| 
 | |
|   onPortableServiceRunning(bool running) => _running = running;
 | |
| }
 | |
| 
 | |
| 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;
 | |
|   var closed = false;
 | |
|   var auditNote = '';
 | |
| 
 | |
|   /// dialogManager use late to ensure init after main page binding [globalKey]
 | |
|   late final dialogManager = OverlayDialogManager();
 | |
| 
 | |
|   late final SessionID sessionId;
 | |
|   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
 | |
|   late final CmFileModel cmFileModel; // cm
 | |
| 
 | |
|   FFI(SessionID? sId) {
 | |
|     sessionId = sId ?? (isDesktop ? Uuid().v4obj() : _constSessionId);
 | |
|     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));
 | |
|     cmFileModel = CmFileModel(WeakReference(this));
 | |
|   }
 | |
| 
 | |
|   /// Mobile reuse FFI
 | |
|   void mobileReset() {
 | |
|     ffiModel.waitForFirstImage.value = true;
 | |
|     ffiModel.waitForImageDialogShow.value = true;
 | |
|     ffiModel.waitForImageTimer?.cancel();
 | |
|     ffiModel.waitForImageTimer = null;
 | |
|   }
 | |
| 
 | |
|   /// 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,
 | |
|     bool isRdp = false,
 | |
|     String? switchUuid,
 | |
|     String? password,
 | |
|     bool? forceRelay,
 | |
|     int? tabWindowId,
 | |
|     int? display,
 | |
|     List<int>? displays,
 | |
|   }) {
 | |
|     closed = false;
 | |
|     auditNote = '';
 | |
|     if (isMobile) mobileReset();
 | |
|     assert(!(isFileTransfer && isPortForward), 'more than one connect type');
 | |
|     if (isFileTransfer) {
 | |
|       connType = ConnType.fileTransfer;
 | |
|     } else if (isPortForward) {
 | |
|       connType = ConnType.portForward;
 | |
|     } else {
 | |
|       chatModel.resetClientMode();
 | |
|       connType = ConnType.defaultConn;
 | |
|       canvasModel.id = id;
 | |
|       imageModel.id = id;
 | |
|       cursorModel.peerId = id;
 | |
|     }
 | |
|     // If tabWindowId != null, this session is a "tab -> window" one.
 | |
|     // Else this session is a new one.
 | |
|     if (tabWindowId == null) {
 | |
|       // ignore: unused_local_variable
 | |
|       final addRes = bind.sessionAddSync(
 | |
|         sessionId: sessionId,
 | |
|         id: id,
 | |
|         isFileTransfer: isFileTransfer,
 | |
|         isPortForward: isPortForward,
 | |
|         isRdp: isRdp,
 | |
|         switchUuid: switchUuid ?? '',
 | |
|         forceRelay: forceRelay ?? false,
 | |
|         password: password ?? '',
 | |
|       );
 | |
|     } else if (display != null) {
 | |
|       if (displays == null) {
 | |
|         debugPrint(
 | |
|             'Unreachable, failed to add existed session to $id, the displays is null while display is $display');
 | |
|         return;
 | |
|       }
 | |
|       final addRes = bind.sessionAddExistedSync(id: id, sessionId: sessionId);
 | |
|       if (addRes != '') {
 | |
|         debugPrint(
 | |
|             'Unreachable, failed to add existed session to $id, $addRes');
 | |
|         return;
 | |
|       }
 | |
|       bind.sessionTryAddDisplay(
 | |
|           sessionId: sessionId, displays: Int32List.fromList(displays));
 | |
|       ffiModel.pi.currentDisplay = display;
 | |
|     }
 | |
|     final stream = bind.sessionStart(sessionId: sessionId, id: id);
 | |
|     final cb = ffiModel.startEventListener(sessionId, id);
 | |
| 
 | |
|     // Force refresh displays.
 | |
|     // The controlled side may not refresh the image when the (peer,display) is already subscribed.
 | |
|     if (displays != null) {
 | |
|       for (final display in displays) {
 | |
|         bind.sessionRefresh(sessionId: sessionId, display: display);
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     final SimpleWrapper<bool> isToNewWindowNotified = SimpleWrapper(false);
 | |
|     // Preserved for the rgba data.
 | |
|     stream.listen((message) {
 | |
|       if (closed) return;
 | |
|       if (tabWindowId != null && !isToNewWindowNotified.value) {
 | |
|         // Session is read to be moved to a new window.
 | |
|         // Get the cached data and handle the cached data.
 | |
|         Future.delayed(Duration.zero, () async {
 | |
|           final args = jsonEncode({'id': id, 'close': display == null});
 | |
|           final cachedData = await DesktopMultiWindow.invokeMethod(
 | |
|               tabWindowId, kWindowEventGetCachedSessionData, args);
 | |
|           if (cachedData == null) {
 | |
|             // unreachable
 | |
|             debugPrint('Unreachable, the cached data is empty.');
 | |
|             return;
 | |
|           }
 | |
|           final data = CachedPeerData.fromString(cachedData);
 | |
|           if (data == null) {
 | |
|             debugPrint('Unreachable, the cached data cannot be decoded.');
 | |
|             return;
 | |
|           }
 | |
|           await ffiModel.handleCachedPeerData(data, id);
 | |
|           await sessionRefreshVideo(sessionId, ffiModel.pi);
 | |
|         });
 | |
|         isToNewWindowNotified.value = true;
 | |
|       }
 | |
|       () async {
 | |
|         if (message is EventToUI_Event) {
 | |
|           if (message.field0 == "close") {
 | |
|             closed = true;
 | |
|             debugPrint('Exit session event loop');
 | |
|             return;
 | |
|           }
 | |
| 
 | |
|           Map<String, dynamic>? event;
 | |
|           try {
 | |
|             event = json.decode(message.field0);
 | |
|           } catch (e) {
 | |
|             debugPrint('json.decode fail1(): $e, ${message.field0}');
 | |
|           }
 | |
|           if (event != null) {
 | |
|             await cb(event);
 | |
|           }
 | |
|         } else if (message is EventToUI_Rgba) {
 | |
|           final display = message.field0;
 | |
|           if (useTextureRender) {
 | |
|             onEvent2UIRgba();
 | |
|           } else {
 | |
|             // Fetch the image buffer from rust codes.
 | |
|             final sz = platformFFI.getRgbaSize(sessionId, display);
 | |
|             if (sz == 0) {
 | |
|               return;
 | |
|             }
 | |
|             final rgba = platformFFI.getRgba(sessionId, display, sz);
 | |
|             if (rgba != null) {
 | |
|               onEvent2UIRgba();
 | |
|               imageModel.onRgba(display, rgba);
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|       }();
 | |
|     });
 | |
|     // every instance will bind a stream
 | |
|     this.id = id;
 | |
|   }
 | |
| 
 | |
|   void onEvent2UIRgba() async {
 | |
|     if (ffiModel.waitForImageDialogShow.isTrue) {
 | |
|       ffiModel.waitForImageDialogShow.value = false;
 | |
|       ffiModel.waitForImageTimer?.cancel();
 | |
|       clearWaitingForImage(dialogManager, sessionId);
 | |
|     }
 | |
|     if (ffiModel.waitForFirstImage.value == true) {
 | |
|       ffiModel.waitForFirstImage.value = false;
 | |
|       dialogManager.dismissAll();
 | |
|       await canvasModel.updateViewStyle();
 | |
|       await canvasModel.updateScrollStyle();
 | |
|       for (final cb in imageModel.callbacksOnFirstImage) {
 | |
|         cb(id);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   /// Login with [password], choose if the client should [remember] it.
 | |
|   void login(String osUsername, String osPassword, SessionID sessionId,
 | |
|       String password, bool remember) {
 | |
|     bind.sessionLogin(
 | |
|         sessionId: sessionId,
 | |
|         osUsername: osUsername,
 | |
|         osPassword: osPassword,
 | |
|         password: password,
 | |
|         remember: remember);
 | |
|   }
 | |
| 
 | |
|   /// Close the remote session.
 | |
|   Future<void> close({bool closeSession = true}) async {
 | |
|     closed = true;
 | |
|     chatModel.close();
 | |
|     if (imageModel.image != null && !isWebDesktop) {
 | |
|       await setCanvasConfig(
 | |
|           sessionId,
 | |
|           cursorModel.x,
 | |
|           cursorModel.y,
 | |
|           canvasModel.x,
 | |
|           canvasModel.y,
 | |
|           canvasModel.scale,
 | |
|           ffiModel.pi.currentDisplay);
 | |
|     }
 | |
|     imageModel.update(null);
 | |
|     cursorModel.clear();
 | |
|     ffiModel.clear();
 | |
|     canvasModel.clear();
 | |
|     inputModel.resetModifiers();
 | |
|     if (closeSession) {
 | |
|       await bind.sessionClose(sessionId: sessionId);
 | |
|     }
 | |
|     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);
 | |
|   }
 | |
| }
 | |
| 
 | |
| const kInvalidResolutionValue = -1;
 | |
| const kVirtualDisplayResolutionValue = 0;
 | |
| 
 | |
| class Display {
 | |
|   double x = 0;
 | |
|   double y = 0;
 | |
|   int width = 0;
 | |
|   int height = 0;
 | |
|   bool cursorEmbedded = false;
 | |
|   int originalWidth = kInvalidResolutionValue;
 | |
|   int originalHeight = kInvalidResolutionValue;
 | |
| 
 | |
|   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;
 | |
| 
 | |
|   bool get isOriginalResolutionSet =>
 | |
|       originalWidth != kInvalidResolutionValue &&
 | |
|       originalHeight != kInvalidResolutionValue;
 | |
|   bool get isVirtualDisplayResolution =>
 | |
|       originalWidth == kVirtualDisplayResolutionValue &&
 | |
|       originalHeight == kVirtualDisplayResolutionValue;
 | |
|   bool get isOriginalResolution =>
 | |
|       width == originalWidth && height == originalHeight;
 | |
| }
 | |
| 
 | |
| 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;
 | |
| }
 | |
| 
 | |
| const kInvalidDisplayIndex = -1;
 | |
| 
 | |
| class PeerInfo with ChangeNotifier {
 | |
|   String version = '';
 | |
|   String username = '';
 | |
|   String hostname = '';
 | |
|   String platform = '';
 | |
|   bool sasEnabled = false;
 | |
|   bool isSupportMultiUiSession = false;
 | |
|   int currentDisplay = 0;
 | |
|   int primaryDisplay = kInvalidDisplayIndex;
 | |
|   List<Display> displays = [];
 | |
|   Features features = Features();
 | |
|   List<Resolution> resolutions = [];
 | |
|   Map<String, dynamic> platformAdditions = {};
 | |
| 
 | |
|   RxInt displaysCount = 0.obs;
 | |
|   RxBool isSet = false.obs;
 | |
| 
 | |
|   bool get isWayland => platformAdditions['is_wayland'] == true;
 | |
|   bool get isHeadless => platformAdditions['headless'] == true;
 | |
| 
 | |
|   bool get isSupportMultiDisplay => isDesktop && isSupportMultiUiSession;
 | |
| 
 | |
|   bool get cursorEmbedded => tryGetDisplay()?.cursorEmbedded ?? false;
 | |
| 
 | |
|   Display? tryGetDisplay() {
 | |
|     if (displays.isEmpty) {
 | |
|       return null;
 | |
|     }
 | |
|     if (currentDisplay == kAllDisplayValue) {
 | |
|       return displays[0];
 | |
|     } else {
 | |
|       if (currentDisplay > 0 && currentDisplay < displays.length) {
 | |
|         return displays[currentDisplay];
 | |
|       } else {
 | |
|         return displays[0];
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   Display? tryGetDisplayIfNotAllDisplay() {
 | |
|     if (displays.isEmpty) {
 | |
|       return null;
 | |
|     }
 | |
|     if (currentDisplay == kAllDisplayValue) {
 | |
|       return null;
 | |
|     }
 | |
|     if (currentDisplay >= 0 && currentDisplay < displays.length) {
 | |
|       return displays[currentDisplay];
 | |
|     } else {
 | |
|       return null;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   List<Display> getCurDisplays() {
 | |
|     if (currentDisplay == kAllDisplayValue) {
 | |
|       return displays;
 | |
|     } else {
 | |
|       if (currentDisplay >= 0 && currentDisplay < displays.length) {
 | |
|         return [displays[currentDisplay]];
 | |
|       } else {
 | |
|         return [];
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| const canvasKey = 'canvas';
 | |
| 
 | |
| Future<void> setCanvasConfig(
 | |
|     SessionID sessionId,
 | |
|     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.sessionSetFlutterOption(
 | |
|       sessionId: sessionId, k: canvasKey, v: jsonEncode(p));
 | |
| }
 | |
| 
 | |
| Future<Map<String, dynamic>?> getCanvasConfig(SessionID sessionId) async {
 | |
|   if (!isWebDesktop) return null;
 | |
|   var p =
 | |
|       await bind.sessionGetFlutterOption(sessionId: sessionId, k: canvasKey);
 | |
|   if (p == null || p.isEmpty) return null;
 | |
|   try {
 | |
|     Map<String, dynamic> m = json.decode(p);
 | |
|     return m;
 | |
|   } catch (e) {
 | |
|     return null;
 | |
|   }
 | |
| }
 | |
| 
 | |
| Future<void> initializeCursorAndCanvas(FFI ffi) async {
 | |
|   var p = await getCanvasConfig(ffi.sessionId);
 | |
|   int currentDisplay = 0;
 | |
|   if (p != null) {
 | |
|     currentDisplay = p['currentDisplay'];
 | |
|   }
 | |
|   if (p == null || currentDisplay != ffi.ffiModel.pi.currentDisplay) {
 | |
|     ffi.cursorModel.updateDisplayOrigin(
 | |
|         ffi.ffiModel.rect?.left ?? 0, ffi.ffiModel.rect?.top ?? 0);
 | |
|     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.rect?.left ?? 0,
 | |
|       ffi.ffiModel.rect?.top ?? 0, xCursor, yCursor);
 | |
|   ffi.canvasModel.update(xCanvas, yCanvas, scale);
 | |
| }
 | |
| 
 | |
| clearWaitingForImage(OverlayDialogManager? dialogManager, SessionID sessionId) {
 | |
|   dialogManager?.dismissByTag('$sessionId-waiting-for-image');
 | |
| }
 |