129 lines
3.9 KiB
Dart
129 lines
3.9 KiB
Dart
import 'dart:io';
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import 'dart:typed_data';
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import 'dart:ffi';
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import 'package:ffi/ffi.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:device_info/device_info.dart';
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import 'package:package_info/package_info.dart';
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import 'package:external_path/external_path.dart';
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import 'package:flutter/services.dart';
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import 'common.dart';
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class RgbaFrame extends Struct {
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@Uint32()
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int len;
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Pointer<Uint8> data;
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}
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typedef F2 = Pointer<Utf8> Function(Pointer<Utf8>, Pointer<Utf8>);
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typedef F3 = void Function(Pointer<Utf8>, Pointer<Utf8>);
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typedef F4 = void Function(Pointer<RgbaFrame>);
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typedef F5 = Pointer<RgbaFrame> Function();
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class PlatformFFI {
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static Pointer<RgbaFrame> _lastRgbaFrame;
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static String _dir = '';
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static String _homeDir = '';
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static F2 _getByName;
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static F3 _setByName;
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static F4 _freeRgba;
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static F5 _getRgba;
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static void clearRgbaFrame() {
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if (_lastRgbaFrame != null && _lastRgbaFrame != nullptr)
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_freeRgba(_lastRgbaFrame);
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}
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static Uint8List getRgba() {
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if (_getRgba == null) return null;
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_lastRgbaFrame = _getRgba();
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if (_lastRgbaFrame == null || _lastRgbaFrame == nullptr) return null;
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final ref = _lastRgbaFrame.ref;
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return Uint8List.sublistView(ref.data.asTypedList(ref.len));
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}
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static Future<String> getVersion() async {
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PackageInfo packageInfo = await PackageInfo.fromPlatform();
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return packageInfo.version;
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}
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static String getByName(String name, [String arg = '']) {
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if (_getByName == null) return '';
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var a = name.toNativeUtf8();
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var b = arg.toNativeUtf8();
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var p = _getByName(a, b);
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assert(p != nullptr && p != null);
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var res = p.toDartString();
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calloc.free(p);
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calloc.free(a);
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calloc.free(b);
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return res;
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}
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static void setByName(String name, [String value = '']) {
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if (_setByName == null) return;
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var a = name.toNativeUtf8();
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var b = value.toNativeUtf8();
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_setByName(a, b);
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calloc.free(a);
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calloc.free(b);
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}
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static Future<Null> init() async {
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isIOS = Platform.isIOS;
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isAndroid = Platform.isAndroid;
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final dylib = Platform.isAndroid
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? DynamicLibrary.open('librustdesk.so')
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: DynamicLibrary.process();
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print('initializing FFI');
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try {
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_getByName = dylib.lookupFunction<F2, F2>('get_by_name');
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_setByName =
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dylib.lookupFunction<Void Function(Pointer<Utf8>, Pointer<Utf8>), F3>(
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'set_by_name');
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_freeRgba = dylib
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.lookupFunction<Void Function(Pointer<RgbaFrame>), F4>('free_rgba');
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_getRgba = dylib.lookupFunction<F5, F5>('get_rgba');
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_dir = (await getApplicationDocumentsDirectory()).path;
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_homeDir = (await ExternalPath.getExternalStorageDirectories())[0];
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String id = 'NA';
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String name = 'Flutter';
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DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
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if (Platform.isAndroid) {
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AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
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name = '${androidInfo.brand}-${androidInfo.model}';
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id = androidInfo.id.hashCode.toString();
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} else {
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IosDeviceInfo iosInfo = await deviceInfo.iosInfo;
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name = iosInfo.utsname.machine;
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id = iosInfo.identifierForVendor.hashCode.toString();
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}
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print("info1-id:$id,info2-name:$name,dir:$_dir,homeDir:$_homeDir");
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setByName('info1', id);
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setByName('info2', name);
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setByName('home_dir', _homeDir);
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setByName('init', _dir);
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} catch (e) {
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print(e);
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}
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}
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static void startDesktopWebListener(
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Function(Map<String, dynamic>) handleMouse) {}
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static void stopDesktopWebListener() {}
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static void setMethodCallHandler(FMethod callback) {
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toAndroidChannel.setMethodCallHandler((call) async {
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callback(call.method, call.arguments);
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return null;
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});
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}
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static invokeMethod(String method) async {
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return await toAndroidChannel.invokeMethod(method);
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}
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}
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final localeName = Platform.localeName;
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final toAndroidChannel = MethodChannel("mChannel");
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