mirror of
https://github.com/rustdesk/rustdesk.git
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176 lines
5.1 KiB
Dart
176 lines
5.1 KiB
Dart
import 'dart:typed_data';
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import 'dart:js' as js;
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import 'package:flutter/cupertino.dart';
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import 'dart:convert';
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import 'common.dart';
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import 'dart:html';
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import 'dart:async';
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final List<StreamSubscription<MouseEvent>> mouseListeners = [];
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final List<StreamSubscription<KeyboardEvent>> keyListeners = [];
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int lastMouseDownButtons = 0;
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bool mouseIn = false;
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class PlatformFFI {
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static void clearRgbaFrame() {}
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static Uint8List getRgba() {
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return js.context.callMethod('getRgba');
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}
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static Future<String> getVersion() async {
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return getByName('version');
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}
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static String getByName(String name, [String arg = '']) {
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return js.context.callMethod('getByName', [name, arg]);
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}
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static void setByName(String name, [String value = '']) {
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js.context.callMethod('setByName', [name, value]);
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}
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static Future<Null> init() async {
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isWeb = true;
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isDesktop = !js.context.callMethod('isMobile');
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js.context.callMethod('init');
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}
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// MouseRegion onHover not work for mouse move when right button down
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static void startDesktopWebListener(
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Function(Map<String, dynamic>) handleMouse) {
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mouseIn = true;
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lastMouseDownButtons = 0;
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// document.body.getElementsByTagName('flt-glass-pane')[0].style.cursor = 'none';
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mouseListeners
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.add(window.document.onMouseEnter.listen((evt) => mouseIn = true));
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mouseListeners
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.add(window.document.onMouseLeave.listen((evt) => mouseIn = false));
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mouseListeners.add(window.document.onMouseMove
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.listen((evt) => handleMouse(getEvent(evt))));
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mouseListeners.add(window.document.onMouseDown
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.listen((evt) => handleMouse(getEvent(evt))));
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mouseListeners.add(
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window.document.onMouseUp.listen((evt) => handleMouse(getEvent(evt))));
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mouseListeners.add(window.document.onMouseWheel.listen((evt) {
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var dx = evt.deltaX;
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var dy = evt.deltaY;
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if (dx > 0)
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dx = -1;
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else if (dx < 0) dx = 1;
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if (dy > 0)
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dy = -1;
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else if (dy < 0) dy = 1;
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setByName('send_mouse', '{"type": "wheel", "x": "$dx", "y": "$dy"}');
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}));
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mouseListeners.add(
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window.document.onContextMenu.listen((evt) => evt.preventDefault()));
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keyListeners
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.add(window.document.onKeyDown.listen((evt) => handleKey(evt, true)));
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keyListeners
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.add(window.document.onKeyUp.listen((evt) => handleKey(evt, false)));
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}
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static void stopDesktopWebListener() {
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mouseIn = true;
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mouseListeners.forEach((l) {
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l.cancel();
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});
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mouseListeners.clear();
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keyListeners.forEach((l) {
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l.cancel();
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});
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keyListeners.clear();
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}
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static void setMethodCallHandler(FMethod callback) {}
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static Future<bool> invokeMethod(String method) async {
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return true;
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}
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}
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Map<String, dynamic> getEvent(MouseEvent evt) {
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// https://github.com/novnc/noVNC/blob/679b45fa3b453c7cf32f4b4455f4814818ecf161/core/rfb.js
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// https://developer.mozilla.org/zh-CN/docs/Web/API/Element/mousedown_event
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final Map<String, dynamic> out = {};
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out['type'] = evt.type;
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out['x'] = evt.client.x;
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out['y'] = evt.client.y;
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if (evt.altKey) out['alt'] = 'true';
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if (evt.shiftKey) out['shift'] = 'true';
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if (evt.ctrlKey) out['ctrl'] = 'true';
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if (evt.metaKey) out['command'] = 'true';
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out['buttons'] = evt
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.buttons; // left button: 1, right button: 2, middle button: 4, 1 | 2 = 3 (left + right)
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if (evt.buttons != 0) {
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lastMouseDownButtons = evt.buttons!;
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} else {
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out['buttons'] = lastMouseDownButtons;
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}
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return out;
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}
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void handleKey(KeyboardEvent evt, bool down) {
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if (!mouseIn) return;
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evt.stopPropagation();
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evt.preventDefault();
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evt.stopImmediatePropagation();
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print('${evt.code} ${evt.key} ${evt.location}');
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final out = {};
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var name = ctrlKeyMap[evt.code];
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if (name == null) {
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if (evt.code == evt.key) {
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name = evt.code;
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} else {
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name = evt.key;
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if (name!=null && name.toLowerCase() != name.toUpperCase() &&
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name == name.toUpperCase()) {
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if (!evt.shiftKey) out['shift'] = 'true';
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}
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}
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}
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out['name'] = name;
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if (evt.altKey) out['alt'] = 'true';
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if (evt.shiftKey) out['shift'] = 'true';
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if (evt.ctrlKey) out['ctrl'] = 'true';
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if (evt.metaKey) out['command'] = 'true';
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if (down) out['down'] = 'true';
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PlatformFFI.setByName('input_key', json.encode(out));
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}
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final localeName = window.navigator.language;
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final ctrlKeyMap = {
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'AltLeft': 'Alt',
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'AltRight': 'RAlt',
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'ShiftLeft': 'Shift',
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'ShiftRight': 'RShift',
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'ControlLeft': 'Control',
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'ControlRight': 'RControl',
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'MetaLeft': 'Meta',
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'MetaRight': 'RWin',
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'ContextMenu': 'Apps',
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'ArrowUp': 'UpArrow',
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'ArrowDown': 'DownArrow',
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'ArrowLeft': 'LeftArrow',
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'ArrowRight': 'RightArrow',
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'NumpadDecimal': 'Decimal',
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'NumpadDivide': 'Divide',
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'NumpadMultiply': 'Multiply',
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'NumpadSubtract': 'Subtract',
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'NumpadAdd': 'Add',
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'NumpadEnter': 'NumpadEnter',
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'Enter': 'Return',
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'Space': 'Space',
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'NumpadClear': 'Clear',
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'NumpadBackspace': 'Backspace',
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'PrintScreen': 'Snapshot',
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'HangulMode': 'Hangul',
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'HanjaMode': 'Hanja',
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'KanaMode': 'Kana',
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'JunjaMode': 'Junja',
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'KanjiMode': 'Hanja',
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};
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