| 1 | import 'package:another_flushbar/flushbar.dart'; |
| 2 | import 'package:cake_wallet/core/execution_state.dart'; |
| 3 | import 'package:cake_wallet/generated/i18n.dart'; |
| 4 | import 'package:cake_wallet/src/screens/auth/auth_page.dart'; |
| 5 | import 'package:cake_wallet/src/screens/wallet_unlock/wallet_unlock_arguments.dart'; |
| 6 | import 'package:cake_wallet/src/widgets/base_text_form_field.dart'; |
| 7 | import 'package:cake_wallet/src/widgets/primary_button.dart'; |
| 8 | import 'package:cake_wallet/utils/responsive_layout_util.dart'; |
| 9 | import 'package:cake_wallet/utils/show_bar.dart'; |
| 10 | import 'package:flutter/cupertino.dart'; |
| 11 | import 'package:flutter/material.dart'; |
| 12 | import 'package:cake_wallet/view_model/wallet_unlock_view_model.dart'; |
| 13 | import 'package:flutter_mobx/flutter_mobx.dart'; |
| 14 | import 'package:mobx/mobx.dart'; |
| 15 | |
| 16 | class WalletUnlockPage extends StatefulWidget { |
| 17 | WalletUnlockPage( |
| 18 | this.walletUnlockViewModel, this.onAuthenticationFinished, this.authPasswordHandler, |
| 19 | {required this.closable}); |
| 20 | |
| 21 | final WalletUnlockViewModel walletUnlockViewModel; |
| 22 | final OnAuthenticationFinished onAuthenticationFinished; |
| 23 | final AuthPasswordHandler? authPasswordHandler; |
| 24 | final bool closable; |
| 25 | |
| 26 | @override |
| 27 | State<StatefulWidget> createState() => WalletUnlockPageState(); |
| 28 | } |
| 29 | |
| 30 | class WalletUnlockPageState extends AuthPageState<WalletUnlockPage> { |
| 31 | WalletUnlockPageState() : _passwordController = TextEditingController(); |
| 32 | |
| 33 | final TextEditingController _passwordController; |
| 34 | final _key = GlobalKey<ScaffoldState>(); |
| 35 | final _backArrowImageDarkTheme = Image.asset('assets/images/close_button.png'); |
| 36 | ReactionDisposer? _reaction; |
| 37 | Flushbar<void>? _authBar; |
| 38 | Flushbar<void>? _progressBar; |
| 39 | void Function()? _passwordControllerListener; |
| 40 | |
| 41 | @override |
| 42 | void initState() { |
| 43 | _reaction ??= reaction((_) => widget.walletUnlockViewModel.state, (ExecutionState state) { |
| 44 | if (state is ExecutedSuccessfullyState) { |
| 45 | WidgetsBinding.instance.addPostFrameCallback((_) { |
| 46 | widget.onAuthenticationFinished(true, this); |
| 47 | }); |
| 48 | setState(() {}); |
| 49 | } |
| 50 | |
| 51 | if (state is IsExecutingState) { |
| 52 | WidgetsBinding.instance.addPostFrameCallback((_) { |
| 53 | // null duration to make it indefinite until its disposed |
| 54 | _authBar = createBar<void>(S.of(context).authentication, context, duration: null) |
| 55 | ..show(context); |
| 56 | }); |
| 57 | } |
| 58 | |
| 59 | if (state is FailureState) { |
| 60 | WidgetsBinding.instance.addPostFrameCallback((_) async { |
| 61 | dismissFlushBar(_authBar); |
| 62 | showBar<void>(context, S.of(context).failed_authentication(state.error)); |
| 63 | |
| 64 | widget.onAuthenticationFinished(false, this); |
| 65 | }); |
| 66 | } |
| 67 | }); |
| 68 | |
| 69 | _passwordControllerListener = |
| 70 | () => widget.walletUnlockViewModel.setPassword(_passwordController.text); |
| 71 | |
| 72 | if (_passwordControllerListener != null) { |
| 73 | _passwordController.addListener(_passwordControllerListener!); |
| 74 | } |
| 75 | |
| 76 | super.initState(); |
| 77 | } |
| 78 | |
| 79 | @override |
| 80 | void dispose() { |
| 81 | _reaction?.reaction.dispose(); |
| 82 | |
| 83 | if (_passwordControllerListener != null) { |
| 84 | _passwordController.removeListener(_passwordControllerListener!); |
| 85 | } |
| 86 | |
| 87 | _passwordController.dispose(); |
| 88 | |
| 89 | super.dispose(); |
| 90 | } |
| 91 | |
| 92 | @override |
| 93 | void changeProcessText(String text) { |
| 94 | dismissFlushBar(_authBar); |
| 95 | _progressBar = createBar<void>(text, context, duration: null)..show(_key.currentContext!); |
| 96 | } |
| 97 | |
| 98 | @override |
| 99 | void hideProgressText() { |
| 100 | dismissFlushBar(_progressBar); |
| 101 | _progressBar = null; |
| 102 | } |
| 103 | |
| 104 | void dismissFlushBar(Flushbar<dynamic>? bar) { |
| 105 | WidgetsBinding.instance.addPostFrameCallback((_) async { |
| 106 | await bar?.dismiss(); |
| 107 | }); |
| 108 | } |
| 109 | |
| 110 | Future<void> _unlockWallet() async { |
| 111 | if (widget.walletUnlockViewModel.state is IsExecutingState) { |
| 112 | return; |
| 113 | } |
| 114 | |
| 115 | FocusScope.of(context).unfocus(); |
| 116 | |
| 117 | if (widget.authPasswordHandler != null) { |
| 118 | try { |
| 119 | await widget.authPasswordHandler!(widget.walletUnlockViewModel.password); |
| 120 | widget.walletUnlockViewModel.success(); |
| 121 | } catch (e) { |
| 122 | widget.walletUnlockViewModel.failure(e); |
| 123 | } |
| 124 | return; |
| 125 | } |
| 126 | |
| 127 | await widget.walletUnlockViewModel.unlock(); |
| 128 | } |
| 129 | |
| 130 | @override |
| 131 | Future<void> close({String? route, arguments}) async { |
| 132 | if (_key.currentContext == null) { |
| 133 | throw Exception('Key context is null. Should be not happened'); |
| 134 | } |
| 135 | |
| 136 | /// not the best scenario, but WidgetsBinding is not behaving correctly on Android |
| 137 | await Future<void>.delayed(Duration(milliseconds: 50)); |
| 138 | await _authBar?.dismiss(); |
| 139 | await Future<void>.delayed(Duration(milliseconds: 50)); |
| 140 | await _progressBar?.dismiss(); |
| 141 | await Future<void>.delayed(Duration(milliseconds: 50)); |
| 142 | if (route != null) { |
| 143 | Navigator.of(_key.currentContext!).pushReplacementNamed(route, arguments: arguments); |
| 144 | } else { |
| 145 | Navigator.of(_key.currentContext!).pop(); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | @override |
| 150 | Widget build(BuildContext context) { |
| 151 | return Scaffold( |
| 152 | key: _key, |
| 153 | appBar: CupertinoNavigationBar( |
| 154 | leading: widget.closable |
| 155 | ? Container( |
| 156 | padding: EdgeInsets.only(top: 10), |
| 157 | child: SizedBox( |
| 158 | height: 37, |
| 159 | width: 37, |
| 160 | child: InkWell( |
| 161 | onTap: () { |
| 162 | if (context.mounted && Navigator.of(context).canPop()) { |
| 163 | Navigator.of(context).pop(); |
| 164 | } |
| 165 | }, |
| 166 | child: _backArrowImageDarkTheme, |
| 167 | ), |
| 168 | )) |
| 169 | : Container(), |
| 170 | backgroundColor: Theme.of(context).colorScheme.surface, |
| 171 | border: null), |
| 172 | resizeToAvoidBottomInset: false, |
| 173 | body: Center( |
| 174 | child: ConstrainedBox( |
| 175 | constraints: BoxConstraints( |
| 176 | maxWidth: ResponsiveLayoutUtilBase.kDesktopMaxWidthConstraint, |
| 177 | ), |
| 178 | child: Column( |
| 179 | mainAxisAlignment: MainAxisAlignment.spaceBetween, |
| 180 | crossAxisAlignment: CrossAxisAlignment.center, |
| 181 | children: [ |
| 182 | Expanded( |
| 183 | child: Column( |
| 184 | mainAxisAlignment: MainAxisAlignment.center, |
| 185 | crossAxisAlignment: CrossAxisAlignment.center, |
| 186 | children: [ |
| 187 | Text( |
| 188 | widget.walletUnlockViewModel.walletName, |
| 189 | textAlign: TextAlign.center, |
| 190 | style: Theme.of(context).textTheme.bodyMedium!.copyWith( |
| 191 | fontSize: 24, |
| 192 | fontWeight: FontWeight.w500, |
| 193 | color: Theme.of(context).colorScheme.onSurface, |
| 194 | ), |
| 195 | ), |
| 196 | SizedBox(height: 24), |
| 197 | Form( |
| 198 | child: BaseTextFormField( |
| 199 | key: ValueKey('enter_wallet_password'), |
| 200 | onChanged: (value) => null, |
| 201 | onSubmit: (_) async { |
| 202 | await _unlockWallet(); |
| 203 | }, |
| 204 | controller: _passwordController, |
| 205 | textAlign: TextAlign.center, |
| 206 | obscureText: true, |
| 207 | textStyle: Theme.of(context).textTheme.bodyMedium!.copyWith( |
| 208 | fontSize: 20.0, |
| 209 | fontWeight: FontWeight.w600, |
| 210 | ), |
| 211 | placeholderTextStyle: Theme.of(context).textTheme.bodyMedium!.copyWith( |
| 212 | fontSize: 18.0, |
| 213 | fontWeight: FontWeight.w500, |
| 214 | color: Theme.of(context).colorScheme.onSurfaceVariant, |
| 215 | ), |
| 216 | hintText: S.of(context).enter_wallet_password, |
| 217 | ), |
| 218 | ), |
| 219 | ], |
| 220 | ), |
| 221 | ), |
| 222 | Padding( |
| 223 | key: ValueKey('unlock'), |
| 224 | padding: EdgeInsets.only(bottom: 24), |
| 225 | child: Observer( |
| 226 | builder: (_) => LoadingPrimaryButton( |
| 227 | onPressed: _unlockWallet, |
| 228 | text: S.of(context).unlock, |
| 229 | color: Theme.of(context).colorScheme.primary, |
| 230 | textColor: Theme.of(context).colorScheme.onPrimary, |
| 231 | isLoading: widget.walletUnlockViewModel.state is IsExecutingState, |
| 232 | isDisabled: widget.walletUnlockViewModel.state is IsExecutingState, |
| 233 | ), |
| 234 | ), |
| 235 | ), |
| 236 | ], |
| 237 | ), |
| 238 | ), |
| 239 | ), |
| 240 | ); |
| 241 | } |
| 242 | } |