1846 lines
		
	
	
		
			58 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
			
		
		
	
	
			1846 lines
		
	
	
		
			58 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
import 'dart:async';
 | 
						|
import 'dart:convert';
 | 
						|
import 'dart:io';
 | 
						|
import 'dart:math';
 | 
						|
import 'dart:typed_data';
 | 
						|
import 'dart:ui' as ui;
 | 
						|
 | 
						|
import 'package:flutter/material.dart';
 | 
						|
import 'package:flutter/services.dart';
 | 
						|
import 'package:flutter_hbb/consts.dart';
 | 
						|
import 'package:flutter_hbb/generated_bridge.dart';
 | 
						|
import 'package:flutter_hbb/models/ab_model.dart';
 | 
						|
import 'package:flutter_hbb/models/chat_model.dart';
 | 
						|
import 'package:flutter_hbb/models/file_model.dart';
 | 
						|
import 'package:flutter_hbb/models/group_model.dart';
 | 
						|
import 'package:flutter_hbb/models/peer_tab_model.dart';
 | 
						|
import 'package:flutter_hbb/models/server_model.dart';
 | 
						|
import 'package:flutter_hbb/models/user_model.dart';
 | 
						|
import 'package:flutter_hbb/models/state_model.dart';
 | 
						|
import 'package:flutter_hbb/plugin/event.dart';
 | 
						|
import 'package:flutter_hbb/plugin/manager.dart';
 | 
						|
import 'package:flutter_hbb/plugin/widgets/desc_ui.dart';
 | 
						|
import 'package:flutter_hbb/common/shared_state.dart';
 | 
						|
import 'package:flutter_hbb/utils/multi_window_manager.dart';
 | 
						|
import 'package:tuple/tuple.dart';
 | 
						|
import 'package:image/image.dart' as img2;
 | 
						|
import 'package:flutter_custom_cursor/cursor_manager.dart';
 | 
						|
import 'package:flutter_svg/flutter_svg.dart';
 | 
						|
import 'package:get/get.dart';
 | 
						|
import 'package:window_manager/window_manager.dart';
 | 
						|
 | 
						|
import '../common.dart';
 | 
						|
import '../utils/image.dart' as img;
 | 
						|
import '../common/widgets/dialog.dart';
 | 
						|
import 'input_model.dart';
 | 
						|
import 'platform_model.dart';
 | 
						|
 | 
						|
typedef HandleMsgBox = Function(Map<String, dynamic> evt, String id);
 | 
						|
typedef ReconnectHandle = Function(OverlayDialogManager, String, bool);
 | 
						|
final _waitForImage = <String, bool>{};
 | 
						|
 | 
						|
class FfiModel with ChangeNotifier {
 | 
						|
  PeerInfo _pi = PeerInfo();
 | 
						|
  Display _display = Display();
 | 
						|
 | 
						|
  var _inputBlocked = false;
 | 
						|
  final _permissions = <String, bool>{};
 | 
						|
  bool? _secure;
 | 
						|
  bool? _direct;
 | 
						|
  bool _touchMode = false;
 | 
						|
  Timer? _timer;
 | 
						|
  var _reconnects = 1;
 | 
						|
  bool _viewOnly = false;
 | 
						|
  WeakReference<FFI> parent;
 | 
						|
 | 
						|
  Map<String, bool> get permissions => _permissions;
 | 
						|
 | 
						|
  Display get display => _display;
 | 
						|
 | 
						|
  bool? get secure => _secure;
 | 
						|
 | 
						|
  bool? get direct => _direct;
 | 
						|
 | 
						|
  PeerInfo get pi => _pi;
 | 
						|
 | 
						|
  bool get inputBlocked => _inputBlocked;
 | 
						|
 | 
						|
  bool get touchMode => _touchMode;
 | 
						|
 | 
						|
  bool get isPeerAndroid => _pi.platform == kPeerPlatformAndroid;
 | 
						|
 | 
						|
  bool get viewOnly => _viewOnly;
 | 
						|
 | 
						|
  set inputBlocked(v) {
 | 
						|
    _inputBlocked = v;
 | 
						|
  }
 | 
						|
 | 
						|
  FfiModel(this.parent) {
 | 
						|
    clear();
 | 
						|
  }
 | 
						|
 | 
						|
  toggleTouchMode() {
 | 
						|
    if (!isPeerAndroid) {
 | 
						|
      _touchMode = !_touchMode;
 | 
						|
      notifyListeners();
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  updatePermission(Map<String, dynamic> evt, String id) {
 | 
						|
    evt.forEach((k, v) {
 | 
						|
      if (k == 'name' || k.isEmpty) return;
 | 
						|
      _permissions[k] = v == 'true';
 | 
						|
    });
 | 
						|
    // Only inited at remote page
 | 
						|
    if (desktopType == DesktopType.remote) {
 | 
						|
      KeyboardEnabledState.find(id).value = _permissions['keyboard'] != false;
 | 
						|
    }
 | 
						|
    debugPrint('$_permissions');
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  bool get keyboard => _permissions['keyboard'] != false;
 | 
						|
 | 
						|
  clear() {
 | 
						|
    _pi = PeerInfo();
 | 
						|
    _display = Display();
 | 
						|
    _secure = null;
 | 
						|
    _direct = null;
 | 
						|
    _inputBlocked = false;
 | 
						|
    _timer?.cancel();
 | 
						|
    _timer = null;
 | 
						|
    clearPermissions();
 | 
						|
  }
 | 
						|
 | 
						|
  setConnectionType(String peerId, bool secure, bool direct) {
 | 
						|
    _secure = secure;
 | 
						|
    _direct = direct;
 | 
						|
    try {
 | 
						|
      var connectionType = ConnectionTypeState.find(peerId);
 | 
						|
      connectionType.setSecure(secure);
 | 
						|
      connectionType.setDirect(direct);
 | 
						|
    } catch (e) {
 | 
						|
      //
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  Widget? getConnectionImage() {
 | 
						|
    if (secure == null || direct == null) {
 | 
						|
      return null;
 | 
						|
    } else {
 | 
						|
      final icon =
 | 
						|
          '${secure == true ? 'secure' : 'insecure'}${direct == true ? '' : '_relay'}';
 | 
						|
      return SvgPicture.asset('assets/$icon.svg', width: 48, height: 48);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  clearPermissions() {
 | 
						|
    _inputBlocked = false;
 | 
						|
    _permissions.clear();
 | 
						|
  }
 | 
						|
 | 
						|
  StreamEventHandler startEventListener(String peerId) {
 | 
						|
    return (evt) async {
 | 
						|
      var name = evt['name'];
 | 
						|
      if (name == 'msgbox') {
 | 
						|
        handleMsgBox(evt, peerId);
 | 
						|
      } else if (name == 'peer_info') {
 | 
						|
        handlePeerInfo(evt, peerId);
 | 
						|
      } else if (name == 'sync_peer_info') {
 | 
						|
        handleSyncPeerInfo(evt, peerId);
 | 
						|
      } else if (name == 'connection_ready') {
 | 
						|
        setConnectionType(
 | 
						|
            peerId, evt['secure'] == 'true', evt['direct'] == 'true');
 | 
						|
      } else if (name == 'switch_display') {
 | 
						|
        handleSwitchDisplay(evt, peerId);
 | 
						|
      } else if (name == 'cursor_data') {
 | 
						|
        await parent.target?.cursorModel.updateCursorData(evt);
 | 
						|
      } else if (name == 'cursor_id') {
 | 
						|
        await parent.target?.cursorModel.updateCursorId(evt);
 | 
						|
      } else if (name == 'cursor_position') {
 | 
						|
        await parent.target?.cursorModel.updateCursorPosition(evt, peerId);
 | 
						|
      } else if (name == 'clipboard') {
 | 
						|
        Clipboard.setData(ClipboardData(text: evt['content']));
 | 
						|
      } else if (name == 'permission') {
 | 
						|
        updatePermission(evt, peerId);
 | 
						|
      } else if (name == 'chat_client_mode') {
 | 
						|
        parent.target?.chatModel
 | 
						|
            .receive(ChatModel.clientModeID, evt['text'] ?? '');
 | 
						|
      } else if (name == 'chat_server_mode') {
 | 
						|
        parent.target?.chatModel
 | 
						|
            .receive(int.parse(evt['id'] as String), evt['text'] ?? '');
 | 
						|
      } else if (name == 'file_dir') {
 | 
						|
        parent.target?.fileModel.receiveFileDir(evt);
 | 
						|
      } else if (name == 'job_progress') {
 | 
						|
        parent.target?.fileModel.jobController.tryUpdateJobProgress(evt);
 | 
						|
      } else if (name == 'job_done') {
 | 
						|
        parent.target?.fileModel.jobController.jobDone(evt);
 | 
						|
        parent.target?.fileModel.refreshAll();
 | 
						|
      } else if (name == 'job_error') {
 | 
						|
        parent.target?.fileModel.jobController.jobError(evt);
 | 
						|
      } else if (name == 'override_file_confirm') {
 | 
						|
        parent.target?.fileModel.postOverrideFileConfirm(evt);
 | 
						|
      } else if (name == 'load_last_job') {
 | 
						|
        parent.target?.fileModel.jobController.loadLastJob(evt);
 | 
						|
      } else if (name == 'update_folder_files') {
 | 
						|
        parent.target?.fileModel.jobController.updateFolderFiles(evt);
 | 
						|
      } else if (name == 'add_connection') {
 | 
						|
        parent.target?.serverModel.addConnection(evt);
 | 
						|
      } else if (name == 'on_client_remove') {
 | 
						|
        parent.target?.serverModel.onClientRemove(evt);
 | 
						|
      } else if (name == 'update_quality_status') {
 | 
						|
        parent.target?.qualityMonitorModel.updateQualityStatus(evt);
 | 
						|
      } else if (name == 'update_block_input_state') {
 | 
						|
        updateBlockInputState(evt, peerId);
 | 
						|
      } else if (name == 'update_privacy_mode') {
 | 
						|
        updatePrivacyMode(evt, peerId);
 | 
						|
      } else if (name == 'new_connection') {
 | 
						|
        var uni_links = evt['uni_links'].toString();
 | 
						|
        if (uni_links.startsWith(kUniLinksPrefix)) {
 | 
						|
          parseRustdeskUri(uni_links);
 | 
						|
        }
 | 
						|
      } else if (name == 'alias') {
 | 
						|
        handleAliasChanged(evt);
 | 
						|
      } else if (name == 'show_elevation') {
 | 
						|
        final show = evt['show'].toString() == 'true';
 | 
						|
        parent.target?.serverModel.setShowElevation(show);
 | 
						|
      } else if (name == 'cancel_msgbox') {
 | 
						|
        cancelMsgBox(evt, peerId);
 | 
						|
      } else if (name == 'switch_back') {
 | 
						|
        final peer_id = evt['peer_id'].toString();
 | 
						|
        await bind.sessionSwitchSides(id: peer_id);
 | 
						|
        closeConnection(id: peer_id);
 | 
						|
      } else if (name == 'portable_service_running') {
 | 
						|
        parent.target?.elevationModel.onPortableServiceRunning(evt);
 | 
						|
      } else if (name == 'on_url_scheme_received') {
 | 
						|
        onUrlSchemeReceived(evt);
 | 
						|
      } else if (name == 'on_voice_call_waiting') {
 | 
						|
        // Waiting for the response from the peer.
 | 
						|
        parent.target?.chatModel.onVoiceCallWaiting();
 | 
						|
      } else if (name == 'on_voice_call_started') {
 | 
						|
        // Voice call is connected.
 | 
						|
        parent.target?.chatModel.onVoiceCallStarted();
 | 
						|
      } else if (name == 'on_voice_call_closed') {
 | 
						|
        // Voice call is closed with reason.
 | 
						|
        final reason = evt['reason'].toString();
 | 
						|
        parent.target?.chatModel.onVoiceCallClosed(reason);
 | 
						|
      } else if (name == 'on_voice_call_incoming') {
 | 
						|
        // Voice call is requested by the peer.
 | 
						|
        parent.target?.chatModel.onVoiceCallIncoming();
 | 
						|
      } else if (name == 'update_voice_call_state') {
 | 
						|
        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') {
 | 
						|
        handlePluginEvent(
 | 
						|
            evt, peerId, (Map<String, dynamic> e) => handleMsgBox(e, peerId));
 | 
						|
      } else if (name == 'plugin_reload') {
 | 
						|
        handleReloading(evt, peerId);
 | 
						|
      } else if (name == 'plugin_option') {
 | 
						|
        handleOption(evt, peerId);
 | 
						|
      } else {
 | 
						|
        debugPrint('Unknown event name: $name');
 | 
						|
      }
 | 
						|
    };
 | 
						|
  }
 | 
						|
 | 
						|
  onUrlSchemeReceived(Map<String, dynamic> evt) {
 | 
						|
    final url = evt['url'].toString().trim();
 | 
						|
    // If we invoke uri with blank path, we just bring the main window to the top.
 | 
						|
    if (url.isEmpty) {
 | 
						|
      window_on_top(null);
 | 
						|
    } else if (url.startsWith(kUniLinksPrefix)) {
 | 
						|
      parseRustdeskUri(url);
 | 
						|
    } else {
 | 
						|
      // action
 | 
						|
      switch (url) {
 | 
						|
        case kUrlActionClose:
 | 
						|
          debugPrint("closing all instances");
 | 
						|
          Future.microtask(() async {
 | 
						|
            await rustDeskWinManager.closeAllSubWindows();
 | 
						|
            windowManager.close();
 | 
						|
          });
 | 
						|
          break;
 | 
						|
        default:
 | 
						|
          debugPrint("Unknown url received: $url");
 | 
						|
          break;
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /// Bind the event listener to receive events from the Rust core.
 | 
						|
  updateEventListener(String peerId) {
 | 
						|
    platformFFI.setEventCallback(startEventListener(peerId));
 | 
						|
  }
 | 
						|
 | 
						|
  handleAliasChanged(Map<String, dynamic> evt) {
 | 
						|
    final rxAlias = PeerStringOption.find(evt['id'], 'alias');
 | 
						|
    if (rxAlias.value != evt['alias']) {
 | 
						|
      rxAlias.value = evt['alias'];
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  _updateCurDisplay(String peerId, Display newDisplay) {
 | 
						|
    if (newDisplay != _display) {
 | 
						|
      if (newDisplay.x != _display.x || newDisplay.y != _display.y) {
 | 
						|
        parent.target?.cursorModel
 | 
						|
            .updateDisplayOrigin(newDisplay.x, newDisplay.y);
 | 
						|
      }
 | 
						|
      _display = newDisplay;
 | 
						|
      _updateSessionWidthHeight(peerId);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  handleSwitchDisplay(Map<String, dynamic> evt, String peerId) {
 | 
						|
    _pi.currentDisplay = int.parse(evt['display']);
 | 
						|
    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;
 | 
						|
 | 
						|
    _updateCurDisplay(peerId, newDisplay);
 | 
						|
 | 
						|
    try {
 | 
						|
      CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
 | 
						|
    } catch (e) {
 | 
						|
      //
 | 
						|
    }
 | 
						|
    parent.target?.recordingModel.onSwitchDisplay();
 | 
						|
    handleResolutions(peerId, evt['resolutions']);
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  cancelMsgBox(Map<String, dynamic> evt, String id) {
 | 
						|
    if (parent.target == null) return;
 | 
						|
    final dialogManager = parent.target!.dialogManager;
 | 
						|
    final tag = '$id-${evt['tag']}';
 | 
						|
    dialogManager.dismissByTag(tag);
 | 
						|
  }
 | 
						|
 | 
						|
  /// Handle the message box event based on [evt] and [id].
 | 
						|
  handleMsgBox(Map<String, dynamic> evt, String id) {
 | 
						|
    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(id, dialogManager, type, title, text);
 | 
						|
    } else if (type == 'input-password') {
 | 
						|
      enterPasswordDialog(id, dialogManager);
 | 
						|
    } else if (type == 'session-login' || type == 'session-re-login') {
 | 
						|
      enterUserLoginDialog(id, dialogManager);
 | 
						|
    } else if (type == 'session-login-password' ||
 | 
						|
        type == 'session-login-password') {
 | 
						|
      enterUserLoginAndPasswordDialog(id, dialogManager);
 | 
						|
    } else if (type == 'restarting') {
 | 
						|
      showMsgBox(id, type, title, text, link, false, dialogManager,
 | 
						|
          hasCancel: false);
 | 
						|
    } else if (type == 'wait-remote-accept-nook') {
 | 
						|
      showWaitAcceptDialog(id, type, title, text, dialogManager);
 | 
						|
    } else if (type == 'on-uac' || type == 'on-foreground-elevated') {
 | 
						|
      showOnBlockDialog(id, type, title, text, dialogManager);
 | 
						|
    } else if (type == 'wait-uac') {
 | 
						|
      showWaitUacDialog(id, dialogManager, type);
 | 
						|
    } else if (type == 'elevation-error') {
 | 
						|
      showElevationError(id, type, title, text, dialogManager);
 | 
						|
    } else if (type == 'relay-hint') {
 | 
						|
      showRelayHintDialog(id, type, title, text, dialogManager);
 | 
						|
    } else {
 | 
						|
      var hasRetry = evt['hasRetry'] == 'true';
 | 
						|
      showMsgBox(id, type, title, text, link, hasRetry, dialogManager);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /// Show a message box with [type], [title] and [text].
 | 
						|
  showMsgBox(String id, String type, String title, String text, String link,
 | 
						|
      bool hasRetry, OverlayDialogManager dialogManager,
 | 
						|
      {bool? hasCancel}) {
 | 
						|
    msgBox(id, type, title, text, link, dialogManager,
 | 
						|
        hasCancel: hasCancel, reconnect: reconnect);
 | 
						|
    _timer?.cancel();
 | 
						|
    if (hasRetry) {
 | 
						|
      _timer = Timer(Duration(seconds: _reconnects), () {
 | 
						|
        reconnect(dialogManager, id, false);
 | 
						|
      });
 | 
						|
      _reconnects *= 2;
 | 
						|
    } else {
 | 
						|
      _reconnects = 1;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  void reconnect(
 | 
						|
      OverlayDialogManager dialogManager, String id, bool forceRelay) {
 | 
						|
    bind.sessionReconnect(id: id, forceRelay: forceRelay);
 | 
						|
    clearPermissions();
 | 
						|
    dialogManager.showLoading(translate('Connecting...'),
 | 
						|
        onCancel: closeConnection);
 | 
						|
  }
 | 
						|
 | 
						|
  void showRelayHintDialog(String id, String type, String title, String text,
 | 
						|
      OverlayDialogManager dialogManager) {
 | 
						|
    dialogManager.show(tag: '$id-$type', (setState, close, context) {
 | 
						|
      onClose() {
 | 
						|
        closeConnection();
 | 
						|
        close();
 | 
						|
      }
 | 
						|
 | 
						|
      final style =
 | 
						|
          ElevatedButton.styleFrom(backgroundColor: Colors.green[700]);
 | 
						|
      return CustomAlertDialog(
 | 
						|
        title: null,
 | 
						|
        content: msgboxContent(type, title,
 | 
						|
            "${translate(text)}\n\n${translate('relay_hint_tip')}"),
 | 
						|
        actions: [
 | 
						|
          dialogButton('Close', onPressed: onClose, isOutline: true),
 | 
						|
          dialogButton('Retry',
 | 
						|
              onPressed: () => reconnect(dialogManager, id, false)),
 | 
						|
          dialogButton('Connect via relay',
 | 
						|
              onPressed: () => reconnect(dialogManager, id, true),
 | 
						|
              buttonStyle: style),
 | 
						|
          dialogButton('Always connect via relay', onPressed: () {
 | 
						|
            const option = 'force-always-relay';
 | 
						|
            bind.sessionPeerOption(
 | 
						|
                id: id, name: option, value: bool2option(option, true));
 | 
						|
            reconnect(dialogManager, id, true);
 | 
						|
          }, buttonStyle: style),
 | 
						|
        ],
 | 
						|
        onCancel: onClose,
 | 
						|
      );
 | 
						|
    });
 | 
						|
  }
 | 
						|
 | 
						|
  _updateSessionWidthHeight(String id) {
 | 
						|
    parent.target?.canvasModel.updateViewStyle();
 | 
						|
    if (display.width <= 0 || display.height <= 0) {
 | 
						|
      debugPrintStack(
 | 
						|
          label: 'invalid display size (${display.width},${display.height})');
 | 
						|
    } else {
 | 
						|
      bind.sessionSetSize(id: id, width: display.width, height: display.height);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /// Handle the peer info event based on [evt].
 | 
						|
  handlePeerInfo(Map<String, dynamic> evt, String peerId) async {
 | 
						|
    // 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.username = evt['username'];
 | 
						|
    _pi.hostname = evt['hostname'];
 | 
						|
    _pi.platform = evt['platform'];
 | 
						|
    _pi.sasEnabled = evt['sas_enabled'] == 'true';
 | 
						|
    _pi.currentDisplay = int.parse(evt['current_display']);
 | 
						|
 | 
						|
    try {
 | 
						|
      CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
 | 
						|
    } catch (e) {
 | 
						|
      //
 | 
						|
    }
 | 
						|
 | 
						|
    final connType = parent.target?.connType;
 | 
						|
 | 
						|
    if (isPeerAndroid) {
 | 
						|
      _touchMode = true;
 | 
						|
      if (connType == ConnType.defaultConn &&
 | 
						|
          parent.target != null &&
 | 
						|
          parent.target!.ffiModel.permissions['keyboard'] != false) {
 | 
						|
        Timer(
 | 
						|
            const Duration(milliseconds: 100),
 | 
						|
            () => parent.target!.dialogManager
 | 
						|
                .showMobileActionsOverlay(ffi: parent.target!));
 | 
						|
      }
 | 
						|
    } else {
 | 
						|
      _touchMode =
 | 
						|
          await bind.sessionGetOption(id: peerId, 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]));
 | 
						|
      }
 | 
						|
      stateGlobal.displaysCount.value = _pi.displays.length;
 | 
						|
      if (_pi.currentDisplay < _pi.displays.length) {
 | 
						|
        _display = _pi.displays[_pi.currentDisplay];
 | 
						|
        _updateSessionWidthHeight(peerId);
 | 
						|
      }
 | 
						|
      if (displays.isNotEmpty) {
 | 
						|
        parent.target?.dialogManager.showLoading(
 | 
						|
            translate('Connected, waiting for image...'),
 | 
						|
            onCancel: closeConnection);
 | 
						|
        _waitForImage[peerId] = true;
 | 
						|
        _reconnects = 1;
 | 
						|
      }
 | 
						|
      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(id: peerId, arg: 'view-only'));
 | 
						|
    }
 | 
						|
    if (connType == ConnType.defaultConn) {
 | 
						|
      final platform_additions = evt['platform_additions'];
 | 
						|
      if (platform_additions != null && platform_additions != '') {
 | 
						|
        try {
 | 
						|
          _pi.platform_additions = json.decode(platform_additions);
 | 
						|
        } catch (e) {
 | 
						|
          debugPrint('Failed to decode platform_additions $e');
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    stateGlobal.resetLastResolutionGroupValues(peerId);
 | 
						|
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  handleResolutions(String id, dynamic resolutions) {
 | 
						|
    try {
 | 
						|
      final List<dynamic> dynamicArray = jsonDecode(resolutions as String);
 | 
						|
      List<Resolution> arr = List.empty(growable: true);
 | 
						|
      for (int i = 0; i < dynamicArray.length; i++) {
 | 
						|
        var width = dynamicArray[i]["width"];
 | 
						|
        var height = dynamicArray[i]["height"];
 | 
						|
        if (width is int && width > 0 && height is int && height > 0) {
 | 
						|
          arr.add(Resolution(width, height));
 | 
						|
        }
 | 
						|
      }
 | 
						|
      arr.sort((a, b) {
 | 
						|
        if (b.width != a.width) {
 | 
						|
          return b.width - a.width;
 | 
						|
        } else {
 | 
						|
          return b.height - a.height;
 | 
						|
        }
 | 
						|
      });
 | 
						|
      _pi.resolutions = arr;
 | 
						|
    } catch (e) {
 | 
						|
      debugPrint("Failed to parse resolutions:$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;
 | 
						|
  }
 | 
						|
 | 
						|
  /// Handle the peer info synchronization event based on [evt].
 | 
						|
  handleSyncPeerInfo(Map<String, dynamic> evt, String peerId) async {
 | 
						|
    if (evt['displays'] != null) {
 | 
						|
      List<dynamic> displays = json.decode(evt['displays']);
 | 
						|
      List<Display> newDisplays = [];
 | 
						|
      for (int i = 0; i < displays.length; ++i) {
 | 
						|
        newDisplays.add(evtToDisplay(displays[i]));
 | 
						|
      }
 | 
						|
      _pi.displays = newDisplays;
 | 
						|
      stateGlobal.displaysCount.value = _pi.displays.length;
 | 
						|
      if (_pi.currentDisplay >= 0 && _pi.currentDisplay < _pi.displays.length) {
 | 
						|
        _updateCurDisplay(peerId, _pi.displays[_pi.currentDisplay]);
 | 
						|
      }
 | 
						|
    }
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  updateBlockInputState(Map<String, dynamic> evt, String peerId) {
 | 
						|
    _inputBlocked = evt['input_state'] == 'on';
 | 
						|
    notifyListeners();
 | 
						|
    try {
 | 
						|
      BlockInputState.find(peerId).value = evt['input_state'] == 'on';
 | 
						|
    } catch (e) {
 | 
						|
      //
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  updatePrivacyMode(Map<String, dynamic> evt, String peerId) {
 | 
						|
    notifyListeners();
 | 
						|
    try {
 | 
						|
      PrivacyModeState.find(peerId).value =
 | 
						|
          bind.sessionGetToggleOptionSync(id: peerId, arg: 'privacy-mode');
 | 
						|
    } catch (e) {
 | 
						|
      //
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  void setViewOnly(String id, bool value) {
 | 
						|
    if (version_cmp(_pi.version, '1.2.0') < 0) return;
 | 
						|
    // 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(id: id, 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 = '';
 | 
						|
 | 
						|
  WeakReference<FFI> parent;
 | 
						|
 | 
						|
  final List<Function(String)> callbacksOnFirstImage = [];
 | 
						|
 | 
						|
  ImageModel(this.parent);
 | 
						|
 | 
						|
  addCallbackOnFirstImage(Function(String) cb) => callbacksOnFirstImage.add(cb);
 | 
						|
 | 
						|
  onRgba(Uint8List rgba) {
 | 
						|
    final waitforImage = _waitForImage[id];
 | 
						|
    if (waitforImage == null) {
 | 
						|
      debugPrint('Exception, peer $id not found for waiting image');
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    if (waitforImage == true) {
 | 
						|
      _waitForImage[id] = false;
 | 
						|
      parent.target?.dialogManager.dismissAll();
 | 
						|
      if (isDesktop) {
 | 
						|
        for (final cb in callbacksOnFirstImage) {
 | 
						|
          cb(id);
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    final pid = parent.target?.id;
 | 
						|
    img.decodeImageFromPixels(
 | 
						|
        rgba,
 | 
						|
        parent.target?.ffiModel.display.width ?? 0,
 | 
						|
        parent.target?.ffiModel.display.height ?? 0,
 | 
						|
        isWeb ? ui.PixelFormat.rgba8888 : ui.PixelFormat.bgra8888,
 | 
						|
        onPixelsCopied: () {
 | 
						|
      // Unlock the rgba memory from rust codes.
 | 
						|
      platformFFI.nextRgba(id);
 | 
						|
    }).then((image) {
 | 
						|
      if (parent.target?.id != pid) return;
 | 
						|
      try {
 | 
						|
        // my throw exception, because the listener maybe already dispose
 | 
						|
        update(image);
 | 
						|
      } catch (e) {
 | 
						|
        debugPrint('update image: $e');
 | 
						|
      }
 | 
						|
    });
 | 
						|
  }
 | 
						|
 | 
						|
  update(ui.Image? image) async {
 | 
						|
    if (_image == null && image != null) {
 | 
						|
      if (isWebDesktop || isDesktop) {
 | 
						|
        await parent.target?.canvasModel.updateViewStyle();
 | 
						|
        await parent.target?.canvasModel.updateScrollStyle();
 | 
						|
      } else {
 | 
						|
        final size = MediaQueryData.fromWindow(ui.window).size;
 | 
						|
        final canvasWidth = size.width;
 | 
						|
        final canvasHeight = size.height;
 | 
						|
        final xscale = canvasWidth / image.width;
 | 
						|
        final yscale = canvasHeight / image.height;
 | 
						|
        parent.target?.canvasModel.scale = min(xscale, yscale);
 | 
						|
      }
 | 
						|
      if (parent.target != null) {
 | 
						|
        await initializeCursorAndCanvas(parent.target!);
 | 
						|
      }
 | 
						|
      if (parent.target?.ffiModel.isPeerAndroid ?? false) {
 | 
						|
        bind.sessionSetViewStyle(id: id, value: 'adaptive');
 | 
						|
        parent.target?.canvasModel.updateViewStyle();
 | 
						|
      }
 | 
						|
    }
 | 
						|
    _image = image;
 | 
						|
    if (image != null) notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  // mobile only
 | 
						|
  // for desktop, height should minus tabbar height
 | 
						|
  double get maxScale {
 | 
						|
    if (_image == null) return 1.5;
 | 
						|
    final size = MediaQueryData.fromWindow(ui.window).size;
 | 
						|
    final xscale = size.width / _image!.width;
 | 
						|
    final yscale = size.height / _image!.height;
 | 
						|
    return max(1.5, max(xscale, yscale));
 | 
						|
  }
 | 
						|
 | 
						|
  // mobile only
 | 
						|
  // for desktop, height should minus tabbar height
 | 
						|
  double get minScale {
 | 
						|
    if (_image == null) return 1.5;
 | 
						|
    final size = MediaQueryData.fromWindow(ui.window).size;
 | 
						|
    final xscale = size.width / _image!.width;
 | 
						|
    final yscale = size.height / _image!.height;
 | 
						|
    return min(xscale, yscale) / 1.5;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
enum ScrollStyle {
 | 
						|
  scrollbar,
 | 
						|
  scrollauto,
 | 
						|
}
 | 
						|
 | 
						|
class ViewStyle {
 | 
						|
  final String style;
 | 
						|
  final double width;
 | 
						|
  final double height;
 | 
						|
  final int displayWidth;
 | 
						|
  final int displayHeight;
 | 
						|
  ViewStyle({
 | 
						|
    required this.style,
 | 
						|
    required this.width,
 | 
						|
    required this.height,
 | 
						|
    required this.displayWidth,
 | 
						|
    required this.displayHeight,
 | 
						|
  });
 | 
						|
 | 
						|
  static defaultViewStyle() {
 | 
						|
    final desktop = (isDesktop || isWebDesktop);
 | 
						|
    final w =
 | 
						|
        desktop ? kDesktopDefaultDisplayWidth : kMobileDefaultDisplayWidth;
 | 
						|
    final h =
 | 
						|
        desktop ? kDesktopDefaultDisplayHeight : kMobileDefaultDisplayHeight;
 | 
						|
    return ViewStyle(
 | 
						|
      style: '',
 | 
						|
      width: w.toDouble(),
 | 
						|
      height: h.toDouble(),
 | 
						|
      displayWidth: w,
 | 
						|
      displayHeight: h,
 | 
						|
    );
 | 
						|
  }
 | 
						|
 | 
						|
  static int _double2Int(double v) => (v * 100).round().toInt();
 | 
						|
 | 
						|
  @override
 | 
						|
  bool operator ==(Object other) =>
 | 
						|
      other is ViewStyle &&
 | 
						|
      other.runtimeType == runtimeType &&
 | 
						|
      _innerEqual(other);
 | 
						|
 | 
						|
  bool _innerEqual(ViewStyle other) {
 | 
						|
    return style == other.style &&
 | 
						|
        ViewStyle._double2Int(other.width) == ViewStyle._double2Int(width) &&
 | 
						|
        ViewStyle._double2Int(other.height) == ViewStyle._double2Int(height) &&
 | 
						|
        other.displayWidth == displayWidth &&
 | 
						|
        other.displayHeight == displayHeight;
 | 
						|
  }
 | 
						|
 | 
						|
  @override
 | 
						|
  int get hashCode => Object.hash(
 | 
						|
        style,
 | 
						|
        ViewStyle._double2Int(width),
 | 
						|
        ViewStyle._double2Int(height),
 | 
						|
        displayWidth,
 | 
						|
        displayHeight,
 | 
						|
      ).hashCode;
 | 
						|
 | 
						|
  double get scale {
 | 
						|
    double s = 1.0;
 | 
						|
    if (style == kRemoteViewStyleAdaptive) {
 | 
						|
      if (width != 0 &&
 | 
						|
          height != 0 &&
 | 
						|
          displayWidth != 0 &&
 | 
						|
          displayHeight != 0) {
 | 
						|
        final s1 = width / displayWidth;
 | 
						|
        final s2 = height / displayHeight;
 | 
						|
        s = s1 < s2 ? s1 : s2;
 | 
						|
      }
 | 
						|
    }
 | 
						|
    return s;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
class CanvasModel with ChangeNotifier {
 | 
						|
  // image offset of canvas
 | 
						|
  double _x = 0;
 | 
						|
  // image offset of canvas
 | 
						|
  double _y = 0;
 | 
						|
  // image scale
 | 
						|
  double _scale = 1.0;
 | 
						|
  double _devicePixelRatio = 1.0;
 | 
						|
  Size _size = Size.zero;
 | 
						|
  // the tabbar over the image
 | 
						|
  // double tabBarHeight = 0.0;
 | 
						|
  // the window border's width
 | 
						|
  // double windowBorderWidth = 0.0;
 | 
						|
  // remote id
 | 
						|
  String id = '';
 | 
						|
  // scroll offset x percent
 | 
						|
  double _scrollX = 0.0;
 | 
						|
  // scroll offset y percent
 | 
						|
  double _scrollY = 0.0;
 | 
						|
  ScrollStyle _scrollStyle = ScrollStyle.scrollauto;
 | 
						|
  ViewStyle _lastViewStyle = ViewStyle.defaultViewStyle();
 | 
						|
 | 
						|
  final _imageOverflow = false.obs;
 | 
						|
 | 
						|
  WeakReference<FFI> parent;
 | 
						|
 | 
						|
  CanvasModel(this.parent);
 | 
						|
 | 
						|
  double get x => _x;
 | 
						|
  double get y => _y;
 | 
						|
  double get scale => _scale;
 | 
						|
  double get devicePixelRatio => _devicePixelRatio;
 | 
						|
  Size get size => _size;
 | 
						|
  ScrollStyle get scrollStyle => _scrollStyle;
 | 
						|
  ViewStyle get viewStyle => _lastViewStyle;
 | 
						|
  RxBool get imageOverflow => _imageOverflow;
 | 
						|
 | 
						|
  _resetScroll() => setScrollPercent(0.0, 0.0);
 | 
						|
 | 
						|
  setScrollPercent(double x, double y) {
 | 
						|
    _scrollX = x;
 | 
						|
    _scrollY = y;
 | 
						|
  }
 | 
						|
 | 
						|
  double get scrollX => _scrollX;
 | 
						|
  double get scrollY => _scrollY;
 | 
						|
 | 
						|
  static double get leftToEdge => (isDesktop || isWebDesktop)
 | 
						|
      ? windowBorderWidth + kDragToResizeAreaPadding.left
 | 
						|
      : 0;
 | 
						|
  static double get rightToEdge => (isDesktop || isWebDesktop)
 | 
						|
      ? windowBorderWidth + kDragToResizeAreaPadding.right
 | 
						|
      : 0;
 | 
						|
  static double get topToEdge => (isDesktop || isWebDesktop)
 | 
						|
      ? tabBarHeight + windowBorderWidth + kDragToResizeAreaPadding.top
 | 
						|
      : 0;
 | 
						|
  static double get bottomToEdge => (isDesktop || isWebDesktop)
 | 
						|
      ? windowBorderWidth + kDragToResizeAreaPadding.bottom
 | 
						|
      : 0;
 | 
						|
 | 
						|
  updateViewStyle() async {
 | 
						|
    Size getSize() {
 | 
						|
      final size = MediaQueryData.fromWindow(ui.window).size;
 | 
						|
      // If minimized, w or h may be negative here.
 | 
						|
      double w = size.width - leftToEdge - rightToEdge;
 | 
						|
      double h = size.height - topToEdge - bottomToEdge;
 | 
						|
      return Size(w < 0 ? 0 : w, h < 0 ? 0 : h);
 | 
						|
    }
 | 
						|
 | 
						|
    final style = await bind.sessionGetViewStyle(id: id);
 | 
						|
    if (style == null) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    _size = getSize();
 | 
						|
    final displayWidth = getDisplayWidth();
 | 
						|
    final displayHeight = getDisplayHeight();
 | 
						|
    final viewStyle = ViewStyle(
 | 
						|
      style: style,
 | 
						|
      width: size.width,
 | 
						|
      height: size.height,
 | 
						|
      displayWidth: displayWidth,
 | 
						|
      displayHeight: displayHeight,
 | 
						|
    );
 | 
						|
    if (_lastViewStyle == viewStyle) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
    if (_lastViewStyle.style != viewStyle.style) {
 | 
						|
      _resetScroll();
 | 
						|
    }
 | 
						|
    _lastViewStyle = viewStyle;
 | 
						|
    _scale = viewStyle.scale;
 | 
						|
 | 
						|
    _devicePixelRatio = ui.window.devicePixelRatio;
 | 
						|
    if (kIgnoreDpi && style == kRemoteViewStyleOriginal) {
 | 
						|
      _scale = 1.0 / _devicePixelRatio;
 | 
						|
    }
 | 
						|
    _x = (size.width - displayWidth * _scale) / 2;
 | 
						|
    _y = (size.height - displayHeight * _scale) / 2;
 | 
						|
    _imageOverflow.value = _x < 0 || y < 0;
 | 
						|
    notifyListeners();
 | 
						|
    parent.target?.inputModel.refreshMousePos();
 | 
						|
  }
 | 
						|
 | 
						|
  updateScrollStyle() async {
 | 
						|
    final style = await bind.sessionGetScrollStyle(id: id);
 | 
						|
    if (style == kRemoteScrollStyleBar) {
 | 
						|
      _scrollStyle = ScrollStyle.scrollbar;
 | 
						|
      _resetScroll();
 | 
						|
    } else {
 | 
						|
      _scrollStyle = ScrollStyle.scrollauto;
 | 
						|
    }
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  update(double x, double y, double scale) {
 | 
						|
    _x = x;
 | 
						|
    _y = y;
 | 
						|
    _scale = scale;
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  bool get cursorEmbedded =>
 | 
						|
      parent.target?.ffiModel.display.cursorEmbedded ?? false;
 | 
						|
 | 
						|
  int getDisplayWidth() {
 | 
						|
    final defaultWidth = (isDesktop || isWebDesktop)
 | 
						|
        ? kDesktopDefaultDisplayWidth
 | 
						|
        : kMobileDefaultDisplayWidth;
 | 
						|
    return parent.target?.ffiModel.display.width ?? defaultWidth;
 | 
						|
  }
 | 
						|
 | 
						|
  int getDisplayHeight() {
 | 
						|
    final defaultHeight = (isDesktop || isWebDesktop)
 | 
						|
        ? kDesktopDefaultDisplayHeight
 | 
						|
        : kMobileDefaultDisplayHeight;
 | 
						|
    return parent.target?.ffiModel.display.height ?? defaultHeight;
 | 
						|
  }
 | 
						|
 | 
						|
  static double get windowBorderWidth => stateGlobal.windowBorderWidth.value;
 | 
						|
  static double get tabBarHeight => stateGlobal.tabBarHeight;
 | 
						|
 | 
						|
  moveDesktopMouse(double x, double y) {
 | 
						|
    if (size.width == 0 || size.height == 0) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    // On mobile platforms, move the canvas with the cursor.
 | 
						|
    final dw = getDisplayWidth() * _scale;
 | 
						|
    final dh = getDisplayHeight() * _scale;
 | 
						|
    var dxOffset = 0;
 | 
						|
    var dyOffset = 0;
 | 
						|
    try {
 | 
						|
      if (dw > size.width) {
 | 
						|
        dxOffset = (x - dw * (x / size.width) - _x).toInt();
 | 
						|
      }
 | 
						|
      if (dh > size.height) {
 | 
						|
        dyOffset = (y - dh * (y / size.height) - _y).toInt();
 | 
						|
      }
 | 
						|
    } catch (e) {
 | 
						|
      debugPrintStack(
 | 
						|
          label:
 | 
						|
              '(x,y) ($x,$y), (_x,_y) ($_x,$_y), _scale $_scale, display size (${getDisplayWidth()},${getDisplayHeight()}), size $size, , $e');
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    _x += dxOffset;
 | 
						|
    _y += dyOffset;
 | 
						|
    if (dxOffset != 0 || dyOffset != 0) {
 | 
						|
      notifyListeners();
 | 
						|
    }
 | 
						|
 | 
						|
    // If keyboard is not permitted, do not move cursor when mouse is moving.
 | 
						|
    if (parent.target != null && parent.target!.ffiModel.keyboard) {
 | 
						|
      // Draw cursor if is not desktop.
 | 
						|
      if (!isDesktop) {
 | 
						|
        parent.target!.cursorModel.moveLocal(x, y);
 | 
						|
      } else {
 | 
						|
        try {
 | 
						|
          RemoteCursorMovedState.find(id).value = false;
 | 
						|
        } catch (e) {
 | 
						|
          //
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  set scale(v) {
 | 
						|
    _scale = v;
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  panX(double dx) {
 | 
						|
    _x += dx;
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  resetOffset() {
 | 
						|
    if (isWebDesktop) {
 | 
						|
      updateViewStyle();
 | 
						|
    } else {
 | 
						|
      _x = (size.width - getDisplayWidth() * _scale) / 2;
 | 
						|
      _y = (size.height - getDisplayHeight() * _scale) / 2;
 | 
						|
    }
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  panY(double dy) {
 | 
						|
    _y += dy;
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  updateScale(double v) {
 | 
						|
    if (parent.target?.imageModel.image == null) return;
 | 
						|
    final offset = parent.target?.cursorModel.offset ?? const Offset(0, 0);
 | 
						|
    var r = parent.target?.cursorModel.getVisibleRect() ?? Rect.zero;
 | 
						|
    final px0 = (offset.dx - r.left) * _scale;
 | 
						|
    final py0 = (offset.dy - r.top) * _scale;
 | 
						|
    _scale *= v;
 | 
						|
    final maxs = parent.target?.imageModel.maxScale ?? 1;
 | 
						|
    final mins = parent.target?.imageModel.minScale ?? 1;
 | 
						|
    if (_scale > maxs) _scale = maxs;
 | 
						|
    if (_scale < mins) _scale = mins;
 | 
						|
    r = parent.target?.cursorModel.getVisibleRect() ?? Rect.zero;
 | 
						|
    final px1 = (offset.dx - r.left) * _scale;
 | 
						|
    final py1 = (offset.dy - r.top) * _scale;
 | 
						|
    _x -= px1 - px0;
 | 
						|
    _y -= py1 - py0;
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  clear([bool notify = false]) {
 | 
						|
    _x = 0;
 | 
						|
    _y = 0;
 | 
						|
    _scale = 1.0;
 | 
						|
    if (notify) notifyListeners();
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// data for cursor
 | 
						|
class CursorData {
 | 
						|
  final String peerId;
 | 
						|
  final int id;
 | 
						|
  final img2.Image image;
 | 
						|
  double scale;
 | 
						|
  Uint8List? data;
 | 
						|
  final double hotxOrigin;
 | 
						|
  final double hotyOrigin;
 | 
						|
  double hotx;
 | 
						|
  double hoty;
 | 
						|
  final int width;
 | 
						|
  final int height;
 | 
						|
 | 
						|
  CursorData({
 | 
						|
    required this.peerId,
 | 
						|
    required this.id,
 | 
						|
    required this.image,
 | 
						|
    required this.scale,
 | 
						|
    required this.data,
 | 
						|
    required this.hotxOrigin,
 | 
						|
    required this.hotyOrigin,
 | 
						|
    required this.width,
 | 
						|
    required this.height,
 | 
						|
  })  : hotx = hotxOrigin * scale,
 | 
						|
        hoty = hotxOrigin * scale;
 | 
						|
 | 
						|
  int _doubleToInt(double v) => (v * 10e6).round().toInt();
 | 
						|
 | 
						|
  double _checkUpdateScale(double scale) {
 | 
						|
    double oldScale = this.scale;
 | 
						|
    if (scale != 1.0) {
 | 
						|
      // Update data if scale changed.
 | 
						|
      final tgtWidth = (width * scale).toInt();
 | 
						|
      final tgtHeight = (width * scale).toInt();
 | 
						|
      if (tgtWidth < kMinCursorSize || tgtHeight < kMinCursorSize) {
 | 
						|
        double sw = kMinCursorSize.toDouble() / width;
 | 
						|
        double sh = kMinCursorSize.toDouble() / height;
 | 
						|
        scale = sw < sh ? sh : sw;
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    if (_doubleToInt(oldScale) != _doubleToInt(scale)) {
 | 
						|
      if (Platform.isWindows) {
 | 
						|
        data = img2
 | 
						|
            .copyResize(
 | 
						|
              image,
 | 
						|
              width: (width * scale).toInt(),
 | 
						|
              height: (height * scale).toInt(),
 | 
						|
              interpolation: img2.Interpolation.average,
 | 
						|
            )
 | 
						|
            .getBytes(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;
 | 
						|
  double _hotx = 0;
 | 
						|
  double _hoty = 0;
 | 
						|
  double _displayOriginX = 0;
 | 
						|
  double _displayOriginY = 0;
 | 
						|
  DateTime? _firstUpdateMouseTime;
 | 
						|
  bool gotMouseControl = true;
 | 
						|
  DateTime _lastPeerMouse = DateTime.now()
 | 
						|
      .subtract(Duration(milliseconds: 3000 * kMouseControlTimeoutMSec));
 | 
						|
  String id = '';
 | 
						|
  WeakReference<FFI> parent;
 | 
						|
 | 
						|
  ui.Image? get image => _image;
 | 
						|
  CursorData? get cache => _cache;
 | 
						|
 | 
						|
  double get x => _x - _displayOriginX;
 | 
						|
  double get y => _y - _displayOriginY;
 | 
						|
 | 
						|
  Offset get offset => Offset(_x, _y);
 | 
						|
 | 
						|
  double get hotx => _hotx;
 | 
						|
  double get hoty => _hoty;
 | 
						|
 | 
						|
  bool get isPeerControlProtected =>
 | 
						|
      DateTime.now().difference(_lastPeerMouse).inMilliseconds <
 | 
						|
      kMouseControlTimeoutMSec;
 | 
						|
 | 
						|
  bool isConnIn2Secs() {
 | 
						|
    if (_firstUpdateMouseTime == null) {
 | 
						|
      _firstUpdateMouseTime = DateTime.now();
 | 
						|
      return true;
 | 
						|
    } else {
 | 
						|
      return DateTime.now().difference(_firstUpdateMouseTime!).inSeconds < 2;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  CursorModel(this.parent);
 | 
						|
 | 
						|
  Set<String> get cachedKeys => _cacheKeys;
 | 
						|
  addKey(String key) => _cacheKeys.add(key);
 | 
						|
 | 
						|
  // remote physical display coordinate
 | 
						|
  Rect getVisibleRect() {
 | 
						|
    final size = MediaQueryData.fromWindow(ui.window).size;
 | 
						|
    final xoffset = parent.target?.canvasModel.x ?? 0;
 | 
						|
    final yoffset = parent.target?.canvasModel.y ?? 0;
 | 
						|
    final scale = parent.target?.canvasModel.scale ?? 1;
 | 
						|
    final x0 = _displayOriginX - xoffset / scale;
 | 
						|
    final y0 = _displayOriginY - yoffset / scale;
 | 
						|
    return Rect.fromLTWH(x0, y0, size.width / scale, size.height / scale);
 | 
						|
  }
 | 
						|
 | 
						|
  double adjustForKeyboard() {
 | 
						|
    final m = MediaQueryData.fromWindow(ui.window);
 | 
						|
    var keyboardHeight = m.viewInsets.bottom;
 | 
						|
    final size = m.size;
 | 
						|
    if (keyboardHeight < 100) return 0;
 | 
						|
    final s = parent.target?.canvasModel.scale ?? 1.0;
 | 
						|
    final thresh = (size.height - keyboardHeight) / 2;
 | 
						|
    var h = (_y - getVisibleRect().top) * s; // local physical display height
 | 
						|
    return h - thresh;
 | 
						|
  }
 | 
						|
 | 
						|
  move(double x, double y) {
 | 
						|
    moveLocal(x, y);
 | 
						|
    parent.target?.inputModel.moveMouse(_x, _y);
 | 
						|
  }
 | 
						|
 | 
						|
  moveLocal(double x, double y) {
 | 
						|
    final scale = parent.target?.canvasModel.scale ?? 1.0;
 | 
						|
    final xoffset = parent.target?.canvasModel.x ?? 0;
 | 
						|
    final yoffset = parent.target?.canvasModel.y ?? 0;
 | 
						|
    _x = (x - xoffset) / scale + _displayOriginX;
 | 
						|
    _y = (y - yoffset) / scale + _displayOriginY;
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  reset() {
 | 
						|
    _x = _displayOriginX;
 | 
						|
    _y = _displayOriginY;
 | 
						|
    parent.target?.inputModel.moveMouse(_x, _y);
 | 
						|
    parent.target?.canvasModel.clear(true);
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  updatePan(double dx, double dy, bool touchMode) {
 | 
						|
    if (parent.target?.imageModel.image == null) return;
 | 
						|
    if (touchMode) {
 | 
						|
      final scale = parent.target?.canvasModel.scale ?? 1.0;
 | 
						|
      _x += dx / scale;
 | 
						|
      _y += dy / scale;
 | 
						|
      parent.target?.inputModel.moveMouse(_x, _y);
 | 
						|
      notifyListeners();
 | 
						|
      return;
 | 
						|
    }
 | 
						|
    final scale = parent.target?.canvasModel.scale ?? 1.0;
 | 
						|
    dx /= scale;
 | 
						|
    dy /= scale;
 | 
						|
    final r = getVisibleRect();
 | 
						|
    var cx = r.center.dx;
 | 
						|
    var cy = r.center.dy;
 | 
						|
    var tryMoveCanvasX = false;
 | 
						|
    if (dx > 0) {
 | 
						|
      final maxCanvasCanMove = _displayOriginX +
 | 
						|
          (parent.target?.imageModel.image!.width ?? 1280) -
 | 
						|
          r.right.roundToDouble();
 | 
						|
      tryMoveCanvasX = _x + dx > cx && maxCanvasCanMove > 0;
 | 
						|
      if (tryMoveCanvasX) {
 | 
						|
        dx = min(dx, maxCanvasCanMove);
 | 
						|
      } else {
 | 
						|
        final maxCursorCanMove = r.right - _x;
 | 
						|
        dx = min(dx, maxCursorCanMove);
 | 
						|
      }
 | 
						|
    } else if (dx < 0) {
 | 
						|
      final maxCanvasCanMove = _displayOriginX - r.left.roundToDouble();
 | 
						|
      tryMoveCanvasX = _x + dx < cx && maxCanvasCanMove < 0;
 | 
						|
      if (tryMoveCanvasX) {
 | 
						|
        dx = max(dx, maxCanvasCanMove);
 | 
						|
      } else {
 | 
						|
        final maxCursorCanMove = r.left - _x;
 | 
						|
        dx = max(dx, maxCursorCanMove);
 | 
						|
      }
 | 
						|
    }
 | 
						|
    var tryMoveCanvasY = false;
 | 
						|
    if (dy > 0) {
 | 
						|
      final mayCanvasCanMove = _displayOriginY +
 | 
						|
          (parent.target?.imageModel.image!.height ?? 720) -
 | 
						|
          r.bottom.roundToDouble();
 | 
						|
      tryMoveCanvasY = _y + dy > cy && mayCanvasCanMove > 0;
 | 
						|
      if (tryMoveCanvasY) {
 | 
						|
        dy = min(dy, mayCanvasCanMove);
 | 
						|
      } else {
 | 
						|
        final mayCursorCanMove = r.bottom - _y;
 | 
						|
        dy = min(dy, mayCursorCanMove);
 | 
						|
      }
 | 
						|
    } else if (dy < 0) {
 | 
						|
      final mayCanvasCanMove = _displayOriginY - r.top.roundToDouble();
 | 
						|
      tryMoveCanvasY = _y + dy < cy && mayCanvasCanMove < 0;
 | 
						|
      if (tryMoveCanvasY) {
 | 
						|
        dy = max(dy, mayCanvasCanMove);
 | 
						|
      } else {
 | 
						|
        final mayCursorCanMove = r.top - _y;
 | 
						|
        dy = max(dy, mayCursorCanMove);
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    if (dx == 0 && dy == 0) return;
 | 
						|
    _x += dx;
 | 
						|
    _y += dy;
 | 
						|
    if (tryMoveCanvasX && dx != 0) {
 | 
						|
      parent.target?.canvasModel.panX(-dx);
 | 
						|
    }
 | 
						|
    if (tryMoveCanvasY && dy != 0) {
 | 
						|
      parent.target?.canvasModel.panY(-dy);
 | 
						|
    }
 | 
						|
 | 
						|
    parent.target?.inputModel.moveMouse(_x, _y);
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  updateCursorData(Map<String, dynamic> evt) async {
 | 
						|
    var id = int.parse(evt['id']);
 | 
						|
    _hotx = double.parse(evt['hotx']);
 | 
						|
    _hoty = double.parse(evt['hoty']);
 | 
						|
    var width = int.parse(evt['width']);
 | 
						|
    var height = int.parse(evt['height']);
 | 
						|
    List<dynamic> colors = json.decode(evt['colors']);
 | 
						|
    final rgba = Uint8List.fromList(colors.map((s) => s as int).toList());
 | 
						|
    final image = await img.decodeImageFromPixels(
 | 
						|
        rgba, width, height, ui.PixelFormat.rgba8888);
 | 
						|
    _image = image;
 | 
						|
    if (await _updateCache(rgba, image, id, width, height)) {
 | 
						|
      _images[id] = Tuple3(image, _hotx, _hoty);
 | 
						|
    } else {
 | 
						|
      _hotx = 0;
 | 
						|
      _hoty = 0;
 | 
						|
    }
 | 
						|
    try {
 | 
						|
      // my throw exception, because the listener maybe already dispose
 | 
						|
      notifyListeners();
 | 
						|
    } catch (e) {
 | 
						|
      debugPrint('WARNING: updateCursorId $id, without notifyListeners(). $e');
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  Future<bool> _updateCache(
 | 
						|
      Uint8List rgba, ui.Image image, int id, int w, int h) async {
 | 
						|
    Uint8List? data;
 | 
						|
    img2.Image imgOrigin =
 | 
						|
        img2.Image.fromBytes(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();
 | 
						|
    }
 | 
						|
    _cache = CursorData(
 | 
						|
      peerId: this.id,
 | 
						|
      id: id,
 | 
						|
      image: imgOrigin,
 | 
						|
      scale: 1.0,
 | 
						|
      data: data,
 | 
						|
      hotxOrigin: _hotx,
 | 
						|
      hotyOrigin: _hoty,
 | 
						|
      width: w,
 | 
						|
      height: h,
 | 
						|
    );
 | 
						|
    _cacheMap[id] = _cache!;
 | 
						|
    return true;
 | 
						|
  }
 | 
						|
 | 
						|
  updateCursorId(Map<String, dynamic> evt) async {
 | 
						|
    final id = int.parse(evt['id']);
 | 
						|
    _cache = _cacheMap[id];
 | 
						|
    final tmp = _images[id];
 | 
						|
    if (tmp != null) {
 | 
						|
      _image = tmp.item1;
 | 
						|
      _hotx = tmp.item2;
 | 
						|
      _hoty = tmp.item3;
 | 
						|
      notifyListeners();
 | 
						|
    } else {
 | 
						|
      debugPrint(
 | 
						|
          'WARNING: updateCursorId $id, cache is ${_cache == null ? "null" : "not null"}. without notifyListeners()');
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /// Update the cursor position.
 | 
						|
  updateCursorPosition(Map<String, dynamic> evt, String id) async {
 | 
						|
    if (!isConnIn2Secs()) {
 | 
						|
      gotMouseControl = false;
 | 
						|
      _lastPeerMouse = DateTime.now();
 | 
						|
    }
 | 
						|
    _x = double.parse(evt['x']);
 | 
						|
    _y = double.parse(evt['y']);
 | 
						|
    try {
 | 
						|
      RemoteCursorMovedState.find(id).value = true;
 | 
						|
    } catch (e) {
 | 
						|
      //
 | 
						|
    }
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  updateDisplayOrigin(double x, double y) {
 | 
						|
    _displayOriginX = x;
 | 
						|
    _displayOriginY = y;
 | 
						|
    _x = x + 1;
 | 
						|
    _y = y + 1;
 | 
						|
    parent.target?.inputModel.moveMouse(x, y);
 | 
						|
    parent.target?.canvasModel.resetOffset();
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  updateDisplayOriginWithCursor(
 | 
						|
      double x, double y, double xCursor, double yCursor) {
 | 
						|
    _displayOriginX = x;
 | 
						|
    _displayOriginY = y;
 | 
						|
    _x = xCursor;
 | 
						|
    _y = yCursor;
 | 
						|
    parent.target?.inputModel.moveMouse(x, y);
 | 
						|
    notifyListeners();
 | 
						|
  }
 | 
						|
 | 
						|
  clear() {
 | 
						|
    _x = -10000;
 | 
						|
    _x = -10000;
 | 
						|
    _image = null;
 | 
						|
    _images.clear();
 | 
						|
 | 
						|
    _clearCache();
 | 
						|
    _cache = null;
 | 
						|
    _cacheMap.clear();
 | 
						|
  }
 | 
						|
 | 
						|
  _clearCache() {
 | 
						|
    final keys = {...cachedKeys};
 | 
						|
    for (var k in keys) {
 | 
						|
      debugPrint("deleting cursor with key $k");
 | 
						|
      CursorManager.instance.deleteCursor(k);
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
class QualityMonitorData {
 | 
						|
  String? speed;
 | 
						|
  String? fps;
 | 
						|
  String? delay;
 | 
						|
  String? targetBitrate;
 | 
						|
  String? codecFormat;
 | 
						|
}
 | 
						|
 | 
						|
class QualityMonitorModel with ChangeNotifier {
 | 
						|
  WeakReference<FFI> parent;
 | 
						|
 | 
						|
  QualityMonitorModel(this.parent);
 | 
						|
  var _show = false;
 | 
						|
  final _data = QualityMonitorData();
 | 
						|
 | 
						|
  bool get show => _show;
 | 
						|
  QualityMonitorData get data => _data;
 | 
						|
 | 
						|
  checkShowQualityMonitor(String id) async {
 | 
						|
    final show = await bind.sessionGetToggleOption(
 | 
						|
            id: id, arg: 'show-quality-monitor') ==
 | 
						|
        true;
 | 
						|
    if (_show != show) {
 | 
						|
      _show = show;
 | 
						|
      notifyListeners();
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  updateQualityStatus(Map<String, dynamic> evt) {
 | 
						|
    try {
 | 
						|
      if ((evt['speed'] as String).isNotEmpty) _data.speed = evt['speed'];
 | 
						|
      if ((evt['fps'] as String).isNotEmpty) _data.fps = evt['fps'];
 | 
						|
      if ((evt['delay'] as String).isNotEmpty) _data.delay = evt['delay'];
 | 
						|
      if ((evt['target_bitrate'] as String).isNotEmpty) {
 | 
						|
        _data.targetBitrate = evt['target_bitrate'];
 | 
						|
      }
 | 
						|
      if ((evt['codec_format'] as String).isNotEmpty) {
 | 
						|
        _data.codecFormat = evt['codec_format'];
 | 
						|
      }
 | 
						|
      notifyListeners();
 | 
						|
    } catch (e) {
 | 
						|
      //
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
class RecordingModel with ChangeNotifier {
 | 
						|
  WeakReference<FFI> parent;
 | 
						|
  RecordingModel(this.parent);
 | 
						|
  bool _start = false;
 | 
						|
  get start => _start;
 | 
						|
 | 
						|
  onSwitchDisplay() {
 | 
						|
    if (isIOS || !_start) return;
 | 
						|
    var id = parent.target?.id;
 | 
						|
    int? width = parent.target?.canvasModel.getDisplayWidth();
 | 
						|
    int? height = parent.target?.canvasModel.getDisplayHeight();
 | 
						|
    if (id == null || width == null || height == null) return;
 | 
						|
    bind.sessionRecordScreen(id: id, start: true, width: width, height: height);
 | 
						|
  }
 | 
						|
 | 
						|
  toggle() {
 | 
						|
    if (isIOS) return;
 | 
						|
    var id = parent.target?.id;
 | 
						|
    if (id == null) return;
 | 
						|
    _start = !_start;
 | 
						|
    notifyListeners();
 | 
						|
    if (_start) {
 | 
						|
      bind.sessionRefresh(id: id);
 | 
						|
    } else {
 | 
						|
      bind.sessionRecordScreen(id: id, start: false, width: 0, height: 0);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  onClose() {
 | 
						|
    if (isIOS) return;
 | 
						|
    var id = parent.target?.id;
 | 
						|
    if (id == null) return;
 | 
						|
    _start = false;
 | 
						|
    bind.sessionRecordScreen(id: id, start: false, width: 0, height: 0);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
class ElevationModel with ChangeNotifier {
 | 
						|
  WeakReference<FFI> parent;
 | 
						|
  ElevationModel(this.parent);
 | 
						|
  bool _running = false;
 | 
						|
  bool _canElevate = false;
 | 
						|
  bool get showRequestMenu => _canElevate && !_running;
 | 
						|
  onPeerInfo(PeerInfo pi) {
 | 
						|
    _canElevate = pi.platform == kPeerPlatformWindows && pi.sasEnabled == false;
 | 
						|
  }
 | 
						|
 | 
						|
  onPortableServiceRunning(Map<String, dynamic> evt) {
 | 
						|
    _running = evt['running'] == 'true';
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
enum ConnType { defaultConn, fileTransfer, portForward, rdp }
 | 
						|
 | 
						|
/// Flutter state manager and data communication with the Rust core.
 | 
						|
class FFI {
 | 
						|
  var id = '';
 | 
						|
  var version = '';
 | 
						|
  var connType = ConnType.defaultConn;
 | 
						|
 | 
						|
  /// dialogManager use late to ensure init after main page binding [globalKey]
 | 
						|
  late final dialogManager = OverlayDialogManager();
 | 
						|
 | 
						|
  late final ImageModel imageModel; // session
 | 
						|
  late final FfiModel ffiModel; // session
 | 
						|
  late final CursorModel cursorModel; // session
 | 
						|
  late final CanvasModel canvasModel; // session
 | 
						|
  late final ServerModel serverModel; // global
 | 
						|
  late final ChatModel chatModel; // session
 | 
						|
  late final FileModel fileModel; // session
 | 
						|
  late final AbModel abModel; // global
 | 
						|
  late final GroupModel groupModel; // global
 | 
						|
  late final UserModel userModel; // global
 | 
						|
  late final PeerTabModel peerTabModel; // global
 | 
						|
  late final QualityMonitorModel qualityMonitorModel; // session
 | 
						|
  late final RecordingModel recordingModel; // session
 | 
						|
  late final InputModel inputModel; // session
 | 
						|
  late final ElevationModel elevationModel; // session
 | 
						|
 | 
						|
  FFI() {
 | 
						|
    imageModel = ImageModel(WeakReference(this));
 | 
						|
    ffiModel = FfiModel(WeakReference(this));
 | 
						|
    cursorModel = CursorModel(WeakReference(this));
 | 
						|
    canvasModel = CanvasModel(WeakReference(this));
 | 
						|
    serverModel = ServerModel(WeakReference(this));
 | 
						|
    chatModel = ChatModel(WeakReference(this));
 | 
						|
    fileModel = FileModel(WeakReference(this));
 | 
						|
    userModel = UserModel(WeakReference(this));
 | 
						|
    peerTabModel = PeerTabModel(WeakReference(this));
 | 
						|
    abModel = AbModel(WeakReference(this));
 | 
						|
    groupModel = GroupModel(WeakReference(this));
 | 
						|
    qualityMonitorModel = QualityMonitorModel(WeakReference(this));
 | 
						|
    recordingModel = RecordingModel(WeakReference(this));
 | 
						|
    inputModel = InputModel(WeakReference(this));
 | 
						|
    elevationModel = ElevationModel(WeakReference(this));
 | 
						|
  }
 | 
						|
 | 
						|
  /// Start with the given [id]. Only transfer file if [isFileTransfer], only port forward if [isPortForward].
 | 
						|
  void start(String id,
 | 
						|
      {bool isFileTransfer = false,
 | 
						|
      bool isPortForward = false,
 | 
						|
      bool isRdp = false,
 | 
						|
      String? switchUuid,
 | 
						|
      String? password,
 | 
						|
      bool? forceRelay}) {
 | 
						|
    assert(!(isFileTransfer && isPortForward), 'more than one connect type');
 | 
						|
    if (isFileTransfer) {
 | 
						|
      connType = ConnType.fileTransfer;
 | 
						|
      id = 'ft_$id';
 | 
						|
    } else if (isPortForward) {
 | 
						|
      connType = ConnType.portForward;
 | 
						|
      id = 'pf_$id';
 | 
						|
    } else {
 | 
						|
      chatModel.resetClientMode();
 | 
						|
      connType = ConnType.defaultConn;
 | 
						|
      canvasModel.id = id;
 | 
						|
      imageModel.id = id;
 | 
						|
      cursorModel.id = id;
 | 
						|
    }
 | 
						|
    // ignore: unused_local_variable
 | 
						|
    final addRes = bind.sessionAddSync(
 | 
						|
      id: id,
 | 
						|
      isFileTransfer: isFileTransfer,
 | 
						|
      isPortForward: isPortForward,
 | 
						|
      isRdp: isRdp,
 | 
						|
      switchUuid: switchUuid ?? "",
 | 
						|
      forceRelay: forceRelay ?? false,
 | 
						|
      password: password ?? "",
 | 
						|
    );
 | 
						|
    final stream = bind.sessionStart(id: id);
 | 
						|
    final cb = ffiModel.startEventListener(id);
 | 
						|
    () async {
 | 
						|
      final useTextureRender = bind.mainUseTextureRender();
 | 
						|
      // Preserved for the rgba data.
 | 
						|
      await for (final message in stream) {
 | 
						|
        if (message is EventToUI_Event) {
 | 
						|
          if (message.field0 == "close") {
 | 
						|
            break;
 | 
						|
          }
 | 
						|
 | 
						|
          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) {
 | 
						|
          if (useTextureRender) {
 | 
						|
            if (_waitForImage[id]!) {
 | 
						|
              _waitForImage[id] = false;
 | 
						|
              dialogManager.dismissAll();
 | 
						|
              for (final cb in imageModel.callbacksOnFirstImage) {
 | 
						|
                cb(id);
 | 
						|
              }
 | 
						|
              await canvasModel.updateViewStyle();
 | 
						|
              await canvasModel.updateScrollStyle();
 | 
						|
            }
 | 
						|
          } else {
 | 
						|
            // Fetch the image buffer from rust codes.
 | 
						|
            final sz = platformFFI.getRgbaSize(id);
 | 
						|
            if (sz == null || sz == 0) {
 | 
						|
              return;
 | 
						|
            }
 | 
						|
            final rgba = platformFFI.getRgba(id, sz);
 | 
						|
            if (rgba != null) {
 | 
						|
              imageModel.onRgba(rgba);
 | 
						|
            }
 | 
						|
          }
 | 
						|
        }
 | 
						|
      }
 | 
						|
      debugPrint('Exit session event loop');
 | 
						|
    }();
 | 
						|
    // every instance will bind a stream
 | 
						|
    this.id = id;
 | 
						|
  }
 | 
						|
 | 
						|
  /// Login with [password], choose if the client should [remember] it.
 | 
						|
  void login(String osUsername, String osPassword, String id, String password,
 | 
						|
      bool remember) {
 | 
						|
    bind.sessionLogin(
 | 
						|
        id: id,
 | 
						|
        osUsername: osUsername,
 | 
						|
        osPassword: osPassword,
 | 
						|
        password: password,
 | 
						|
        remember: remember);
 | 
						|
  }
 | 
						|
 | 
						|
  /// Close the remote session.
 | 
						|
  Future<void> close() async {
 | 
						|
    chatModel.close();
 | 
						|
    if (imageModel.image != null && !isWebDesktop) {
 | 
						|
      await setCanvasConfig(id, cursorModel.x, cursorModel.y, canvasModel.x,
 | 
						|
          canvasModel.y, canvasModel.scale, ffiModel.pi.currentDisplay);
 | 
						|
    }
 | 
						|
    imageModel.update(null);
 | 
						|
    cursorModel.clear();
 | 
						|
    ffiModel.clear();
 | 
						|
    canvasModel.clear();
 | 
						|
    inputModel.resetModifiers();
 | 
						|
    await bind.sessionClose(id: id);
 | 
						|
    debugPrint('model $id closed');
 | 
						|
    id = '';
 | 
						|
  }
 | 
						|
 | 
						|
  void setMethodCallHandler(FMethod callback) {
 | 
						|
    platformFFI.setMethodCallHandler(callback);
 | 
						|
  }
 | 
						|
 | 
						|
  Future<bool> invokeMethod(String method, [dynamic arguments]) async {
 | 
						|
    return await platformFFI.invokeMethod(method, arguments);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
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;
 | 
						|
}
 | 
						|
 | 
						|
class PeerInfo {
 | 
						|
  String version = '';
 | 
						|
  String username = '';
 | 
						|
  String hostname = '';
 | 
						|
  String platform = '';
 | 
						|
  bool sasEnabled = false;
 | 
						|
  int currentDisplay = 0;
 | 
						|
  List<Display> displays = [];
 | 
						|
  Features features = Features();
 | 
						|
  List<Resolution> resolutions = [];
 | 
						|
  Map<String, dynamic> platform_additions = {};
 | 
						|
 | 
						|
  bool get is_wayland => platform_additions['is_wayland'] == true;
 | 
						|
  bool get is_headless => platform_additions['headless'] == true;
 | 
						|
}
 | 
						|
 | 
						|
const canvasKey = 'canvas';
 | 
						|
 | 
						|
Future<void> setCanvasConfig(String id, double xCursor, double yCursor,
 | 
						|
    double xCanvas, double yCanvas, double scale, int currentDisplay) async {
 | 
						|
  final p = <String, dynamic>{};
 | 
						|
  p['xCursor'] = xCursor;
 | 
						|
  p['yCursor'] = yCursor;
 | 
						|
  p['xCanvas'] = xCanvas;
 | 
						|
  p['yCanvas'] = yCanvas;
 | 
						|
  p['scale'] = scale;
 | 
						|
  p['currentDisplay'] = currentDisplay;
 | 
						|
  await bind.sessionSetFlutterConfig(id: id, k: canvasKey, v: jsonEncode(p));
 | 
						|
}
 | 
						|
 | 
						|
Future<Map<String, dynamic>?> getCanvasConfig(String id) async {
 | 
						|
  if (!isWebDesktop) return null;
 | 
						|
  var p = await bind.sessionGetFlutterConfig(id: id, k: canvasKey);
 | 
						|
  if (p == null || p.isEmpty) return null;
 | 
						|
  try {
 | 
						|
    Map<String, dynamic> m = json.decode(p);
 | 
						|
    return m;
 | 
						|
  } catch (e) {
 | 
						|
    return null;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
void removePreference(String id) async {
 | 
						|
  await bind.sessionSetFlutterConfig(id: id, k: canvasKey, v: '');
 | 
						|
}
 | 
						|
 | 
						|
Future<void> initializeCursorAndCanvas(FFI ffi) async {
 | 
						|
  var p = await getCanvasConfig(ffi.id);
 | 
						|
  int currentDisplay = 0;
 | 
						|
  if (p != null) {
 | 
						|
    currentDisplay = p['currentDisplay'];
 | 
						|
  }
 | 
						|
  if (p == null || currentDisplay != ffi.ffiModel.pi.currentDisplay) {
 | 
						|
    ffi.cursorModel
 | 
						|
        .updateDisplayOrigin(ffi.ffiModel.display.x, ffi.ffiModel.display.y);
 | 
						|
    return;
 | 
						|
  }
 | 
						|
  double xCursor = p['xCursor'];
 | 
						|
  double yCursor = p['yCursor'];
 | 
						|
  double xCanvas = p['xCanvas'];
 | 
						|
  double yCanvas = p['yCanvas'];
 | 
						|
  double scale = p['scale'];
 | 
						|
  ffi.cursorModel.updateDisplayOriginWithCursor(
 | 
						|
      ffi.ffiModel.display.x, ffi.ffiModel.display.y, xCursor, yCursor);
 | 
						|
  ffi.canvasModel.update(xCanvas, yCanvas, scale);
 | 
						|
}
 |