mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-11-25 21:49:04 +08:00
316 lines
7.9 KiB
Dart
316 lines
7.9 KiB
Dart
import 'package:flutter/material.dart';
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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 'dart:io';
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import 'dart:ffi';
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import 'dart:async';
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import 'dart:convert';
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import 'package:flutter_easyloading/flutter_easyloading.dart';
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import 'dart:typed_data';
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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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class HexColor extends Color {
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HexColor(final String hexColor) : super(_getColorFromHex(hexColor));
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static int _getColorFromHex(String hexColor) {
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hexColor = hexColor.toUpperCase().replaceAll('#', '');
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if (hexColor.length == 6) {
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hexColor = 'FF' + hexColor;
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}
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return int.parse(hexColor, radix: 16);
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}
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}
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class MyTheme {
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static const Color grayBg = Color(0xFFEEEEEE);
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static const Color white = Color(0xFFFFFFFF);
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static const Color accent = Color(0xFF0071FF);
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}
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typedef F1 = void Function(Pointer<Utf8>);
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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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// https://juejin.im/post/6844903864852807694
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class FfiModel with ChangeNotifier {
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FfiModel() {
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init();
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}
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Future<Null> init() async {
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await FFI.init();
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notifyListeners();
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}
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}
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class FFI {
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static F1 _freeCString;
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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 Pointer<RgbaFrame> _lastRgbaFrame;
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static String getId() {
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return getByName('remote_id');
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}
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static List<Peer> peers() {
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try {
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List<dynamic> peers = json.decode(getByName('peers'));
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return peers
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.map((s) => s as List<dynamic>)
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.map((s) =>
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Peer.fromJson(s[0] as String, s[1] as Map<String, dynamic>))
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.toList();
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} catch (e) {
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print(e);
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}
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return [];
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}
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static void connect(String id) {
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setByName('connect', id);
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}
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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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_clearRgbaFrame();
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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 Map<String, dynamic> popEvent() {
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var s = getByName('event');
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if (s == '') return null;
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try {
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Map<String, dynamic> event = json.decode(s);
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return event;
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} catch (e) {
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print(e);
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}
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return null;
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}
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static void login(String password, bool remember) {
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setByName(
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'login',
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json.encode({
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'password': password,
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'remember': remember ? 'true' : 'false',
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}));
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}
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static void close() {
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_clearRgbaFrame();
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setByName('close', '');
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}
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static void setByName(String name, String value) {
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_setByName(Utf8.toUtf8(name), Utf8.toUtf8(value));
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}
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static String getByName(String name, {String arg = ''}) {
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var p = _getByName(Utf8.toUtf8(name), Utf8.toUtf8(arg));
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assert(p != nullptr && p != null);
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var res = Utf8.fromUtf8(p);
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// https://github.com/brickpop/flutter-rust-ffi
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_freeCString(p);
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return res;
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}
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static Future<Null> init() async {
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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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_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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_freeCString = dylib
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.lookupFunction<Void Function(Pointer<Utf8>), F1>('rust_cstr_free');
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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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final dir = (await getApplicationDocumentsDirectory()).path;
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setByName('init', dir);
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}
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}
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class Peer {
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final String id;
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final String username;
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final String hostname;
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final String platform;
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Peer.fromJson(String id, Map<String, dynamic> json)
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: id = id,
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username = json['username'],
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hostname = json['hostname'],
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platform = json['platform'];
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}
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// https://github.com/huangjianke/flutter_easyloading
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void showLoading(String text) {
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dismissLoading();
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EasyLoading.show(status: text);
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}
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void dismissLoading() {
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EasyLoading.dismiss();
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}
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void showSuccess(String text) {
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dismissLoading();
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EasyLoading.showSuccess(text);
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}
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bool _hasDialog = false;
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// https://material.io/develop/flutter/components/dialogs
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Future<Null> enterPasswordDialog(String id, BuildContext context) async {
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dismissLoading();
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if (_hasDialog) {
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Navigator.pop(context);
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}
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_hasDialog = true;
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final controller = TextEditingController();
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var remember = FFI.getByName('remember', arg: id) == 'true';
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var dialog = StatefulBuilder(builder: (context, setState) {
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return AlertDialog(
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title: Text('Please enter your password'),
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contentPadding: const EdgeInsets.all(20.0),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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TextField(
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autofocus: true,
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obscureText: true,
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controller: controller,
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decoration: const InputDecoration(
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labelText: 'Password',
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),
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),
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ListTile(
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title: Text(
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'Remember the password',
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),
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leading: Checkbox(
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value: remember,
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onChanged: (v) {
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setState(() {
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remember = v;
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});
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},
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),
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),
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],
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),
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actions: [
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FlatButton(
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textColor: MyTheme.accent,
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onPressed: () {
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Navigator.pop(context);
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Navigator.pop(context);
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},
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child: Text('Cancel'),
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),
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FlatButton(
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textColor: MyTheme.accent,
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onPressed: () {
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var text = controller.text.trim();
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if (text == '') return;
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FFI.login(text, remember);
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showLoading('Logging in...');
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Navigator.pop(context);
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},
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child: Text('OK'),
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),
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],
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);
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});
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await showDialog<void>(
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context: context,
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barrierDismissible: false,
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builder: (context) => dialog);
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_hasDialog = false;
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}
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Future<Null> wrongPasswordDialog(String id, BuildContext context) async {
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dismissLoading();
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if (_hasDialog) {
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Navigator.pop(context);
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}
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_hasDialog = true;
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var dialog = AlertDialog(
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title: Text('Wrong Password'),
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contentPadding: const EdgeInsets.all(20.0),
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content: Text('Do you want to enter again?'),
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actions: [
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FlatButton(
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textColor: MyTheme.accent,
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onPressed: () {
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Navigator.pop(context);
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Navigator.pop(context);
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},
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child: Text('Cancel'),
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),
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FlatButton(
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textColor: MyTheme.accent,
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onPressed: () {
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Navigator.pop(context);
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enterPasswordDialog(id, context);
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},
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child: Text('Retry'),
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),
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],
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);
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await showDialog<void>(
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context: context,
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barrierDismissible: false,
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builder: (context) => dialog);
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_hasDialog = false;
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}
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Future<Null> msgbox(
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String type, String title, String text, BuildContext context) async {
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dismissLoading();
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if (_hasDialog) {
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Navigator.pop(context);
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}
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_hasDialog = true;
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var dialog = AlertDialog(
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title: Text(title),
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contentPadding: const EdgeInsets.all(20.0),
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content: Text(text),
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actions: [
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FlatButton(
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textColor: MyTheme.accent,
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onPressed: () {
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Navigator.pop(context);
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Navigator.pop(context);
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},
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child: Text('OK'),
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),
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],
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);
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await showDialog<void>(
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context: context,
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barrierDismissible: false,
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builder: (context) => dialog);
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_hasDialog = false;
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}
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