2022-03-22 16:40:23 +08:00
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import 'dart:async';
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2022-03-19 23:28:29 +08:00
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import 'dart:convert';
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2022-03-25 16:34:27 +08:00
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import 'package:dash_chat/dash_chat.dart';
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2022-03-19 23:28:29 +08:00
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import 'package:flutter/material.dart';
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import '../common.dart';
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import '../pages/server_page.dart';
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import 'model.dart';
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2022-03-22 16:40:23 +08:00
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final _emptyIdShow = translate("connecting_status");
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2022-03-19 23:28:29 +08:00
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class ServerModel with ChangeNotifier {
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2022-03-22 16:40:23 +08:00
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Timer? _interval;
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bool _isStart = false;
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2022-03-19 23:28:29 +08:00
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bool _mediaOk = false;
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bool _inputOk = false;
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2022-03-28 17:24:52 +08:00
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bool _audioOk = false;
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bool _fileOk = false;
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2022-03-22 16:40:23 +08:00
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final _serverId = TextEditingController(text: _emptyIdShow);
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final _serverPasswd = TextEditingController(text: "");
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Map<int,Client> _clients = {};
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2022-03-22 16:40:23 +08:00
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bool get isStart => _isStart;
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2022-03-19 23:28:29 +08:00
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bool get mediaOk => _mediaOk;
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bool get inputOk => _inputOk;
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2022-03-22 21:47:42 +08:00
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bool get audioOk => _audioOk;
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2022-03-22 16:40:23 +08:00
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bool get fileOk => _fileOk;
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TextEditingController get serverId => _serverId;
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TextEditingController get serverPasswd => _serverPasswd;
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2022-03-25 16:34:27 +08:00
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Map<int,Client> get clients => _clients;
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2022-03-19 23:28:29 +08:00
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2022-03-22 16:40:23 +08:00
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ServerModel() {
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()async{
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2022-04-04 14:54:00 +08:00
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/**
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* 1. check android permission
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* 2. check config
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2022-04-09 21:38:46 +08:00
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* audio true by default (if permission on) (false default < Android 10)
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2022-04-04 14:54:00 +08:00
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* file true by default (if permission on)
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* input false by default (it need turning on manually everytime)
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*/
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await Future.delayed(Duration(seconds: 1));
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// audio
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if(androidVersion<30 || !await PermissionManager.check("audio")){
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2022-04-04 14:54:00 +08:00
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_audioOk = false;
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FFI.setByName('option', jsonEncode(
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Map()
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..["name"] = "enable-audio"
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..["value"] = "N"));
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}else{
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final audioOption = FFI.getByName('option', 'enable-audio');
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_audioOk = audioOption.isEmpty;
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}
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// file
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if(!await PermissionManager.check("file")) {
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_fileOk = false;
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FFI.setByName('option', jsonEncode(
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Map()
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..["name"] = "enable-file-transfer"
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..["value"] = "N"));
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} else{
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final fileOption = FFI.getByName('option', 'enable-file-transfer');
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_fileOk = fileOption.isEmpty;
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}
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// input (mouse control)
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Map<String, String> res = Map()
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..["name"] = "enable-keyboard"
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..["value"] = 'N';
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FFI.setByName('option', jsonEncode(res)); // input false by default
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notifyListeners();
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}();
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}
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toggleAudio() async {
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if(!_audioOk && !await PermissionManager.check("audio")){
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final res = await PermissionManager.request("audio");
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if(!res){
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// TODO handle fail
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return;
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}
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}
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2022-03-22 21:47:42 +08:00
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_audioOk = !_audioOk;
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Map<String, String> res = Map()
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..["name"] = "enable-audio"
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..["value"] = _audioOk ? '' : 'N';
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FFI.setByName('option', jsonEncode(res));
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notifyListeners();
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}
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toggleFile() async {
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if(!_fileOk && !await PermissionManager.check("file")){
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final res = await PermissionManager.request("file");
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if(!res){
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// TODO handle fail
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return;
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}
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}
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2022-03-22 16:40:23 +08:00
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_fileOk = !_fileOk;
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Map<String, String> res = Map()
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..["name"] = "enable-file-transfer"
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..["value"] = _fileOk ? '' : 'N';
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FFI.setByName('option', jsonEncode(res));
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notifyListeners();
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}
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toggleInput(){
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if(_inputOk){
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2022-03-24 17:58:33 +08:00
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FFI.invokeMethod("stop_input");
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2022-03-22 21:47:42 +08:00
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}else{
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showInputWarnAlert();
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}
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}
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toggleService() async {
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if(_isStart){
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final res = await DialogManager.show<bool>((setState, close) => CustomAlertDialog(
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2022-03-30 17:31:32 +08:00
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title: Row(children: [
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Icon(Icons.warning_amber_sharp,
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color: Colors.redAccent, size: 28),
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SizedBox(width: 10),
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Text(translate("Warning")),
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]),
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content: Text(translate("android_stop_service_tip")),
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actions: [
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TextButton(onPressed: ()=>close(), child: Text(translate("Cancel"))),
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ElevatedButton(onPressed: ()=>close(true), child: Text(translate("OK"))),
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2022-03-22 21:47:42 +08:00
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],
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));
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if(res == true){
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stopService();
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}
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}else{
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final res = await DialogManager.show<bool>((setState, close) => CustomAlertDialog(
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title: Row(children: [
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Icon(Icons.warning_amber_sharp,
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color: Colors.redAccent, size: 28),
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SizedBox(width: 10),
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Text(translate("Warning")),
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]),
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content: Text(translate("android_service_will_start_tip")),
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actions: [
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TextButton(onPressed: ()=>close(), child: Text(translate("Cancel"))),
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ElevatedButton(onPressed: ()=>close(true), child: Text(translate("OK"))),
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2022-03-22 21:47:42 +08:00
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],
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));
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if(res == true){
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startService();
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}
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}
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}
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2022-03-22 16:40:23 +08:00
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Future<Null> startService() async {
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_isStart = true;
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notifyListeners();
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FFI.setByName("ensure_init_event_queue");
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_interval = Timer.periodic(Duration(milliseconds: 30), (timer) {
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2022-03-28 17:24:52 +08:00
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FFI.ffiModel.update("");
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});
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await FFI.invokeMethod("init_service");
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FFI.setByName("start_service");
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getIDPasswd();
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}
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Future<Null> stopService() async {
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_isStart = false;
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_interval?.cancel();
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_interval = null;
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2022-03-22 16:40:23 +08:00
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FFI.serverModel.closeAll();
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await FFI.invokeMethod("stop_service");
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FFI.setByName("stop_service");
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notifyListeners();
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}
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Future<Null> initInput() async {
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await FFI.invokeMethod("init_input");
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}
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2022-03-30 23:09:19 +08:00
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Future<bool> updatePassword(String pw) async {
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final oldPasswd = _serverPasswd.text;
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FFI.setByName("update_password",pw);
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await Future.delayed(Duration(milliseconds: 500));
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await getIDPasswd(force: true);
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// check result
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if(pw == ""){
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if(_serverPasswd.text.isNotEmpty && _serverPasswd.text!= oldPasswd){
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return true;
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}else{
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return false;
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}
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}else{
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if(_serverPasswd.text == pw){
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return true;
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}else{
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return false;
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}
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}
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}
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getIDPasswd({bool force = false}) async {
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if (!force && _serverId.text != _emptyIdShow && _serverPasswd.text != "") {
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2022-03-22 16:40:23 +08:00
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return;
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}
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var count = 0;
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const maxCount = 10;
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while (count < maxCount) {
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await Future.delayed(Duration(seconds: 1));
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final id = FFI.getByName("server_id");
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final passwd = FFI.getByName("server_password");
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if (id.isEmpty) {
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continue;
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} else {
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_serverId.text = id;
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}
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if (passwd.isEmpty) {
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continue;
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} else {
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_serverPasswd.text = passwd;
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}
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debugPrint(
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"fetch id & passwd again at $count:id:${_serverId.text},passwd:${_serverPasswd.text}");
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count++;
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if (_serverId.text != _emptyIdShow && _serverPasswd.text.isNotEmpty) {
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break;
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}
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}
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notifyListeners();
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}
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2022-03-19 23:28:29 +08:00
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changeStatue(String name, bool value) {
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debugPrint("changeStatue value $value");
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switch (name) {
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case "media":
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_mediaOk = value;
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2022-03-22 16:40:23 +08:00
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if(value && !_isStart){
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startService();
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}
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2022-03-19 23:28:29 +08:00
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break;
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case "input":
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if(_inputOk!= value){
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Map<String, String> res = Map()
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..["name"] = "enable-keyboard"
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..["value"] = value ? '' : 'N';
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FFI.setByName('option', jsonEncode(res));
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}
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2022-03-19 23:28:29 +08:00
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_inputOk = value;
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break;
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default:
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return;
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}
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notifyListeners();
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}
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updateClientState() {
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var res = FFI.getByName("clients_state");
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try {
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final List clientsJson = jsonDecode(res);
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2022-03-25 16:34:27 +08:00
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for (var clientJson in clientsJson){
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final client = Client.fromJson(jsonDecode(clientJson));
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_clients[client.id] = client;
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}
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2022-03-19 23:28:29 +08:00
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notifyListeners();
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} catch (e) {}
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}
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2022-03-22 16:40:23 +08:00
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loginRequest(Map<String, dynamic> evt) {
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try {
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2022-03-19 23:28:29 +08:00
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final client = Client.fromJson(jsonDecode(evt["client"]));
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2022-03-22 16:40:23 +08:00
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final Map<String, dynamic> response = Map();
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2022-03-19 23:28:29 +08:00
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response["id"] = client.id;
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DialogManager.show((setState, close) => CustomAlertDialog(
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2022-03-30 17:31:32 +08:00
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title: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(translate(client.isFileTransfer?"File Connection":"Screen Connection")),
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IconButton(onPressed: close, icon: Icon(Icons.close))
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]),
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2022-03-22 16:40:23 +08:00
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content: Column(
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mainAxisSize: MainAxisSize.min,
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(translate("Do you accept?")),
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SizedBox(height: 20),
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clientInfo(client),
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2022-03-23 15:28:21 +08:00
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Text(translate("android_new_connection_tip")),
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2022-03-22 16:40:23 +08:00
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],
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),
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actions: [
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TextButton(
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child: Text(translate("Dismiss")),
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onPressed: () {
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response["res"] = false;
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FFI.setByName("login_res", jsonEncode(response));
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2022-03-30 17:31:32 +08:00
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FFI.invokeMethod("cancel_notification",client.id);
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2022-03-22 16:40:23 +08:00
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close();
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}),
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ElevatedButton(
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child: Text(translate("Accept")),
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onPressed: () async {
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response["res"] = true;
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FFI.setByName("login_res", jsonEncode(response));
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if (!client.isFileTransfer) {
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2022-03-30 17:31:32 +08:00
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FFI.invokeMethod("start_capture");
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2022-03-22 16:40:23 +08:00
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}
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2022-03-30 17:31:32 +08:00
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FFI.invokeMethod("cancel_notification",client.id);
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2022-03-25 16:34:27 +08:00
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_clients[client.id] = client;
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2022-03-22 16:40:23 +08:00
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notifyListeners();
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close();
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}),
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2022-03-22 21:47:42 +08:00
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],onWillPop: ()async=>true,),barrierDismissible: true);
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2022-03-22 16:40:23 +08:00
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} catch (e) {
|
2022-03-19 23:28:29 +08:00
|
|
|
debugPrint("loginRequest failed,error:$e");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-03-22 21:47:42 +08:00
|
|
|
void onClientAuthorized(Map<String, dynamic> evt) {
|
|
|
|
try{
|
2022-03-25 16:34:27 +08:00
|
|
|
final client = Client.fromJson(jsonDecode(evt['client']));
|
2022-03-30 17:31:32 +08:00
|
|
|
// reset the login dialog, to-do,it will close any showing dialog
|
|
|
|
DialogManager.reset();
|
2022-03-25 16:34:27 +08:00
|
|
|
_clients[client.id] = client;
|
2022-03-22 21:47:42 +08:00
|
|
|
notifyListeners();
|
|
|
|
}catch(e){
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
2022-03-19 23:28:29 +08:00
|
|
|
|
|
|
|
void onClientRemove(Map<String, dynamic> evt) {
|
2022-03-22 16:40:23 +08:00
|
|
|
try {
|
2022-03-19 23:28:29 +08:00
|
|
|
final id = int.parse(evt['id'] as String);
|
2022-03-29 23:10:43 +08:00
|
|
|
if(_clients.containsKey(id)){
|
|
|
|
_clients.remove(id);
|
|
|
|
}else{
|
|
|
|
// reset the login dialog, to-do,it will close any showing dialog
|
|
|
|
DialogManager.reset();
|
2022-03-30 17:31:32 +08:00
|
|
|
FFI.invokeMethod("cancel_notification",id);
|
2022-03-29 23:10:43 +08:00
|
|
|
}
|
2022-03-19 23:28:29 +08:00
|
|
|
notifyListeners();
|
2022-03-22 16:40:23 +08:00
|
|
|
} catch (e) {
|
2022-03-19 23:28:29 +08:00
|
|
|
debugPrint("onClientRemove failed,error:$e");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-03-22 16:40:23 +08:00
|
|
|
closeAll() {
|
2022-03-25 16:34:27 +08:00
|
|
|
_clients.forEach((id,client) {
|
|
|
|
FFI.setByName("close_conn", id.toString());
|
2022-03-19 23:28:29 +08:00
|
|
|
});
|
2022-03-25 16:34:27 +08:00
|
|
|
_clients.clear();
|
2022-03-19 23:28:29 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
class Client {
|
2022-03-22 21:47:42 +08:00
|
|
|
int id = 0; // client connections inner count id
|
2022-03-19 23:28:29 +08:00
|
|
|
bool authorized = false;
|
|
|
|
bool isFileTransfer = false;
|
|
|
|
String name = "";
|
2022-03-22 21:47:42 +08:00
|
|
|
String peerId = ""; // peer user's id,show at app
|
|
|
|
bool keyboard = false;
|
|
|
|
bool clipboard = false;
|
|
|
|
bool audio = false;
|
2022-03-25 16:34:27 +08:00
|
|
|
late ChatUser chatUser;
|
2022-03-19 23:28:29 +08:00
|
|
|
|
2022-03-22 21:47:42 +08:00
|
|
|
Client(this.authorized, this.isFileTransfer, this.name, this.peerId,this.keyboard,this.clipboard,this.audio);
|
2022-03-19 23:28:29 +08:00
|
|
|
|
|
|
|
Client.fromJson(Map<String, dynamic> json) {
|
|
|
|
id = json['id'];
|
|
|
|
authorized = json['authorized'];
|
|
|
|
isFileTransfer = json['is_file_transfer'];
|
|
|
|
name = json['name'];
|
|
|
|
peerId = json['peer_id'];
|
2022-03-22 21:47:42 +08:00
|
|
|
keyboard= json['keyboard'];
|
|
|
|
clipboard= json['clipboard'];
|
|
|
|
audio= json['audio'];
|
2022-03-25 16:34:27 +08:00
|
|
|
chatUser = ChatUser(
|
|
|
|
uid:peerId,
|
|
|
|
name: name,
|
|
|
|
);
|
2022-03-19 23:28:29 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
Map<String, dynamic> toJson() {
|
|
|
|
final Map<String, dynamic> data = new Map<String, dynamic>();
|
|
|
|
data['id'] = this.id;
|
|
|
|
data['is_start'] = this.authorized;
|
|
|
|
data['is_file_transfer'] = this.isFileTransfer;
|
|
|
|
data['name'] = this.name;
|
|
|
|
data['peer_id'] = this.peerId;
|
2022-03-22 21:47:42 +08:00
|
|
|
data['keyboard'] = this.keyboard;
|
|
|
|
data['clipboard'] = this.clipboard;
|
|
|
|
data['audio'] = this.audio;
|
2022-03-19 23:28:29 +08:00
|
|
|
return data;
|
|
|
|
}
|
|
|
|
}
|
2022-03-22 21:47:42 +08:00
|
|
|
|
|
|
|
showInputWarnAlert() async {
|
|
|
|
if (globalKey.currentContext == null) return;
|
|
|
|
DialogManager.reset();
|
|
|
|
await showDialog<bool>(
|
|
|
|
context: globalKey.currentContext!,
|
|
|
|
builder: (alertContext) {
|
|
|
|
DialogManager.register(alertContext);
|
|
|
|
return AlertDialog(
|
2022-03-23 16:28:37 +08:00
|
|
|
title: Text(translate("How to get Android input permission?")),
|
2022-03-23 15:28:21 +08:00
|
|
|
content: Column(
|
|
|
|
mainAxisSize: MainAxisSize.min,
|
|
|
|
children: [
|
|
|
|
Text(translate(translate("android_input_permission_tip1"))),
|
|
|
|
SizedBox(height: 10),
|
|
|
|
Text(translate(translate("android_input_permission_tip2"))),
|
|
|
|
],
|
|
|
|
),
|
2022-03-22 21:47:42 +08:00
|
|
|
actions: [
|
|
|
|
TextButton(
|
2022-03-23 15:28:21 +08:00
|
|
|
child: Text(translate("Cancel")),
|
2022-03-22 21:47:42 +08:00
|
|
|
onPressed: () {
|
|
|
|
DialogManager.reset();
|
|
|
|
}),
|
|
|
|
ElevatedButton(
|
2022-03-23 15:28:21 +08:00
|
|
|
child: Text(translate("Open System Setting")),
|
2022-03-22 21:47:42 +08:00
|
|
|
onPressed: () {
|
|
|
|
FFI.serverModel.initInput();
|
|
|
|
DialogManager.reset();
|
|
|
|
}),
|
|
|
|
],
|
|
|
|
);
|
|
|
|
});
|
|
|
|
DialogManager.drop();
|
|
|
|
}
|
2022-04-04 14:54:00 +08:00
|
|
|
|
|
|
|
class PermissionManager {
|
|
|
|
static Completer<bool>? _completer;
|
|
|
|
static Timer? _timer;
|
|
|
|
static var _current = "";
|
|
|
|
|
|
|
|
static final permissions = ["audio","file"];
|
|
|
|
|
|
|
|
static bool isWaitingFile(){
|
|
|
|
if(_completer != null){
|
|
|
|
return !_completer!.isCompleted && _current == "file";
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
static Future<bool> check(String type){
|
|
|
|
if(!permissions.contains(type))
|
|
|
|
return Future.error("Wrong permission!$type");
|
|
|
|
return FFI.invokeMethod("check_permission",type);
|
|
|
|
}
|
|
|
|
|
|
|
|
static Future<bool> request(String type){
|
|
|
|
if(!permissions.contains(type))
|
|
|
|
return Future.error("Wrong permission!$type");
|
|
|
|
|
|
|
|
_current = type;
|
|
|
|
_completer = Completer<bool>();
|
|
|
|
FFI.invokeMethod("request_permission",type);
|
|
|
|
|
|
|
|
// timeout
|
|
|
|
_timer?.cancel();
|
|
|
|
_timer = Timer(Duration(seconds: 60),(){
|
|
|
|
if(_completer == null) return;
|
|
|
|
if(!_completer!.isCompleted){
|
|
|
|
_completer!.complete(false);
|
|
|
|
}
|
|
|
|
_completer = null;
|
|
|
|
_current = "";
|
|
|
|
});
|
|
|
|
return _completer!.future;
|
|
|
|
}
|
|
|
|
|
|
|
|
static complete(String type,bool res){
|
|
|
|
if(type != _current){
|
|
|
|
res = false;
|
|
|
|
}
|
|
|
|
_timer?.cancel();
|
|
|
|
_completer?.complete(res);
|
|
|
|
_current = "";
|
|
|
|
}
|
|
|
|
}
|