437 lines
12 KiB
Dart
437 lines
12 KiB
Dart
import 'dart:convert';
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import 'package:desktop_multi_window/desktop_multi_window.dart';
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import 'package:flutter/foundation.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/common.dart';
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/// must keep the order
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// ignore: constant_identifier_names
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enum WindowType { Main, RemoteDesktop, FileTransfer, PortForward, Unknown }
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extension Index on int {
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WindowType get windowType {
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switch (this) {
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case 0:
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return WindowType.Main;
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case 1:
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return WindowType.RemoteDesktop;
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case 2:
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return WindowType.FileTransfer;
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case 3:
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return WindowType.PortForward;
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default:
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return WindowType.Unknown;
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}
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}
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}
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class MultiWindowCallResult {
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int windowId;
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dynamic result;
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MultiWindowCallResult(this.windowId, this.result);
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}
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/// Window Manager
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/// mainly use it in `Main Window`
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/// use it in sub window is not recommended
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class RustDeskMultiWindowManager {
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RustDeskMultiWindowManager._();
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static final instance = RustDeskMultiWindowManager._();
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final Set<int> _inactiveWindows = {};
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final Set<int> _activeWindows = {};
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final List<AsyncCallback> _windowActiveCallbacks = List.empty(growable: true);
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final List<int> _remoteDesktopWindows = List.empty(growable: true);
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final List<int> _fileTransferWindows = List.empty(growable: true);
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final List<int> _portForwardWindows = List.empty(growable: true);
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moveTabToNewWindow(int windowId, String peerId, String sessionId) async {
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var params = {
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'type': WindowType.RemoteDesktop.index,
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'id': peerId,
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'tab_window_id': windowId,
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'session_id': sessionId,
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};
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await _newSession(
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false,
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WindowType.RemoteDesktop,
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kWindowEventNewRemoteDesktop,
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peerId,
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_remoteDesktopWindows,
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jsonEncode(params),
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);
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}
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// This function must be called in the main window thread.
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// Because the _remoteDesktopWindows is managed in that thread.
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openMonitorSession(int windowId, String peerId, int display, int displayCount,
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Rect? screenRect) async {
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if (_remoteDesktopWindows.length > 1) {
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for (final windowId in _remoteDesktopWindows) {
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if (await DesktopMultiWindow.invokeMethod(
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windowId,
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kWindowEventActiveDisplaySession,
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jsonEncode({
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'id': peerId,
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'display': display,
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}))) {
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return;
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}
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}
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}
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final displays = display == kAllDisplayValue
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? List.generate(displayCount, (index) => index)
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: [display];
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var params = {
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'type': WindowType.RemoteDesktop.index,
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'id': peerId,
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'tab_window_id': windowId,
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'display': display,
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'displays': displays,
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};
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if (screenRect != null) {
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params['screen_rect'] = {
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'l': screenRect.left,
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't': screenRect.top,
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'r': screenRect.right,
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'b': screenRect.bottom,
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};
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}
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await _newSession(
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false,
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WindowType.RemoteDesktop,
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kWindowEventNewRemoteDesktop,
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peerId,
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_remoteDesktopWindows,
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jsonEncode(params),
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screenRect: screenRect,
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);
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}
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Future<int> newSessionWindow(
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WindowType type,
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String remoteId,
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String msg,
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List<int> windows,
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bool withScreenRect,
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) async {
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final windowController = await DesktopMultiWindow.createWindow(msg);
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final windowId = windowController.windowId;
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if (!withScreenRect) {
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windowController
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..setFrame(const Offset(0, 0) &
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Size(1280 + windowId * 20, 720 + windowId * 20))
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..center()
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..setTitle(getWindowNameWithId(
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remoteId,
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overrideType: type,
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));
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} else {
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windowController.setTitle(getWindowNameWithId(
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remoteId,
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overrideType: type,
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));
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}
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if (isMacOS) {
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Future.microtask(() => windowController.show());
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}
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registerActiveWindow(windowId);
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windows.add(windowId);
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return windowId;
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}
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Future<MultiWindowCallResult> _newSession(
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bool openInTabs,
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WindowType type,
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String methodName,
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String remoteId,
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List<int> windows,
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String msg, {
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Rect? screenRect,
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}) async {
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if (openInTabs) {
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if (windows.isEmpty) {
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final windowId = await newSessionWindow(
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type, remoteId, msg, windows, screenRect != null);
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return MultiWindowCallResult(windowId, null);
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} else {
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return call(type, methodName, msg);
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}
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} else {
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if (_inactiveWindows.isNotEmpty) {
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for (final windowId in windows) {
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if (_inactiveWindows.contains(windowId)) {
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if (screenRect == null) {
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await restoreWindowPosition(type,
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windowId: windowId, peerId: remoteId);
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}
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await DesktopMultiWindow.invokeMethod(windowId, methodName, msg);
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WindowController.fromWindowId(windowId).show();
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registerActiveWindow(windowId);
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return MultiWindowCallResult(windowId, null);
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}
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}
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}
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final windowId = await newSessionWindow(
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type, remoteId, msg, windows, screenRect != null);
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return MultiWindowCallResult(windowId, null);
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}
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}
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Future<MultiWindowCallResult> newSession(
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WindowType type,
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String methodName,
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String remoteId,
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List<int> windows, {
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String? password,
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bool? forceRelay,
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String? switchUuid,
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bool? isRDP,
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bool? isSharedPassword,
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}) async {
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var params = {
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"type": type.index,
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"id": remoteId,
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"password": password,
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"forceRelay": forceRelay
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};
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if (switchUuid != null) {
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params['switch_uuid'] = switchUuid;
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}
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if (isRDP != null) {
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params['isRDP'] = isRDP;
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}
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if (isSharedPassword != null) {
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params['isSharedPassword'] = isSharedPassword;
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}
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final msg = jsonEncode(params);
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// separate window for file transfer is not supported
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bool openInTabs = type != WindowType.RemoteDesktop ||
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mainGetLocalBoolOptionSync(kOptionOpenNewConnInTabs);
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if (windows.length > 1 || !openInTabs) {
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for (final windowId in windows) {
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if (await DesktopMultiWindow.invokeMethod(
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windowId, kWindowEventActiveSession, remoteId)) {
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return MultiWindowCallResult(windowId, null);
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}
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}
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}
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return _newSession(openInTabs, type, methodName, remoteId, windows, msg);
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}
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Future<MultiWindowCallResult> newRemoteDesktop(
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String remoteId, {
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String? password,
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bool? isSharedPassword,
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String? switchUuid,
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bool? forceRelay,
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}) async {
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return await newSession(
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WindowType.RemoteDesktop,
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kWindowEventNewRemoteDesktop,
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remoteId,
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_remoteDesktopWindows,
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password: password,
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forceRelay: forceRelay,
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switchUuid: switchUuid,
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isSharedPassword: isSharedPassword,
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);
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}
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Future<MultiWindowCallResult> newFileTransfer(String remoteId,
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{String? password, bool? isSharedPassword, bool? forceRelay}) async {
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return await newSession(
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WindowType.FileTransfer,
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kWindowEventNewFileTransfer,
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remoteId,
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_fileTransferWindows,
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password: password,
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forceRelay: forceRelay,
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isSharedPassword: isSharedPassword,
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);
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}
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Future<MultiWindowCallResult> newPortForward(String remoteId, bool isRDP,
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{String? password, bool? isSharedPassword, bool? forceRelay}) async {
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return await newSession(
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WindowType.PortForward,
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kWindowEventNewPortForward,
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remoteId,
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_portForwardWindows,
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password: password,
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forceRelay: forceRelay,
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isRDP: isRDP,
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isSharedPassword: isSharedPassword,
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);
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}
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Future<MultiWindowCallResult> call(
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WindowType type, String methodName, dynamic args) async {
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final wnds = _findWindowsByType(type);
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if (wnds.isEmpty) {
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return MultiWindowCallResult(kInvalidWindowId, null);
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}
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for (final windowId in wnds) {
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if (_activeWindows.contains(windowId)) {
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final res =
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await DesktopMultiWindow.invokeMethod(windowId, methodName, args);
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return MultiWindowCallResult(windowId, res);
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}
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}
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final res =
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await DesktopMultiWindow.invokeMethod(wnds[0], methodName, args);
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return MultiWindowCallResult(wnds[0], res);
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}
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List<int> _findWindowsByType(WindowType type) {
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switch (type) {
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case WindowType.Main:
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return [kMainWindowId];
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case WindowType.RemoteDesktop:
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return _remoteDesktopWindows;
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case WindowType.FileTransfer:
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return _fileTransferWindows;
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case WindowType.PortForward:
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return _portForwardWindows;
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case WindowType.Unknown:
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break;
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}
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return [];
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}
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void clearWindowType(WindowType type) {
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switch (type) {
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case WindowType.Main:
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return;
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case WindowType.RemoteDesktop:
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_remoteDesktopWindows.clear();
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break;
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case WindowType.FileTransfer:
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_fileTransferWindows.clear();
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break;
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case WindowType.PortForward:
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_portForwardWindows.clear();
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break;
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case WindowType.Unknown:
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break;
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}
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}
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void setMethodHandler(
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Future<dynamic> Function(MethodCall call, int fromWindowId)? handler) {
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DesktopMultiWindow.setMethodHandler(handler);
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}
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Future<void> closeAllSubWindows() async {
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await Future.wait(WindowType.values.map((e) => closeWindows(e)));
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}
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Future<void> closeWindows(WindowType type) async {
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if (type == WindowType.Main) {
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// skip main window, use window manager instead
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return;
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}
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List<int> windows = [];
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try {
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windows = await DesktopMultiWindow.getAllSubWindowIds();
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} catch (e) {
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debugPrint('Failed to getAllSubWindowIds of $type, $e');
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return;
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}
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if (windows.isEmpty) {
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return;
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}
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for (final wId in windows) {
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debugPrint("closing multi window: ${type.toString()}");
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await saveWindowPosition(type, windowId: wId);
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try {
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// final ids = await DesktopMultiWindow.getAllSubWindowIds();
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// if (!ids.contains(wId)) {
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// // no such window already
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// return;
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// }
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await WindowController.fromWindowId(wId).setPreventClose(false);
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await WindowController.fromWindowId(wId).close();
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_activeWindows.remove(wId);
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} catch (e) {
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debugPrint("$e");
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return;
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}
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}
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await _notifyActiveWindow();
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clearWindowType(type);
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}
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Future<List<int>> getAllSubWindowIds() async {
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try {
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final windows = await DesktopMultiWindow.getAllSubWindowIds();
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return windows;
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} catch (err) {
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if (err is AssertionError) {
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return [];
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} else {
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rethrow;
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}
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}
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}
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Set<int> getActiveWindows() {
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return _activeWindows;
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}
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Future<void> _notifyActiveWindow() async {
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for (final callback in _windowActiveCallbacks) {
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await callback.call();
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}
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}
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Future<void> registerActiveWindow(int windowId) async {
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_activeWindows.add(windowId);
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_inactiveWindows.remove(windowId);
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await _notifyActiveWindow();
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}
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Future<void> destroyWindow(int windowId) async {
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await WindowController.fromWindowId(windowId).setPreventClose(false);
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await WindowController.fromWindowId(windowId).close();
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_remoteDesktopWindows.remove(windowId);
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_fileTransferWindows.remove(windowId);
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_portForwardWindows.remove(windowId);
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}
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/// Remove active window which has [`windowId`]
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///
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/// [Availability]
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/// This function should only be called from main window.
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/// For other windows, please post a unregister(hide) event to main window handler:
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/// `rustDeskWinManager.call(WindowType.Main, kWindowEventHide, {"id": windowId!});`
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Future<void> unregisterActiveWindow(int windowId) async {
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_activeWindows.remove(windowId);
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if (windowId != kMainWindowId) {
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_inactiveWindows.add(windowId);
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}
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await _notifyActiveWindow();
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}
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void registerActiveWindowListener(AsyncCallback callback) {
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_windowActiveCallbacks.add(callback);
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}
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void unregisterActiveWindowListener(AsyncCallback callback) {
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_windowActiveCallbacks.remove(callback);
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}
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}
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final rustDeskWinManager = RustDeskMultiWindowManager.instance;
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