| 1 | import 'package:cake_wallet/evm/evm.dart'; |
| 2 | import 'package:flutter/material.dart'; |
| 3 | import 'package:flutter_svg/flutter_svg.dart'; |
| 4 | |
| 5 | import 'evm_switcher_row.dart'; |
| 6 | |
| 7 | class EvmSwitcherDataItem { |
| 8 | final String name; |
| 9 | final String svgPath; |
| 10 | final int chainId; |
| 11 | |
| 12 | const EvmSwitcherDataItem({ |
| 13 | required this.name, |
| 14 | required this.svgPath, |
| 15 | required this.chainId, |
| 16 | }); |
| 17 | } |
| 18 | |
| 19 | String _getSvgPathForChain(String chainName) { |
| 20 | final name = chainName.toLowerCase(); |
| 21 | |
| 22 | switch (name) { |
| 23 | case 'ethereum': |
| 24 | return 'assets/new-ui/crypto_full_icons/ethereum.svg'; |
| 25 | case 'polygon': |
| 26 | return 'assets/new-ui/crypto_full_icons/polygon.svg'; |
| 27 | case 'arbitrum': |
| 28 | return 'assets/new-ui/crypto_full_icons/arbitrum.svg'; |
| 29 | case 'base': |
| 30 | return 'assets/new-ui/crypto_full_icons/base.svg'; |
| 31 | case 'bnb': |
| 32 | case 'bsc': |
| 33 | return 'assets/new-ui/crypto_full_icons/bnb.svg'; |
| 34 | default: |
| 35 | return 'assets/new-ui/crypto_full_icons/ethereum.svg'; |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | class EvmSwitcher extends StatefulWidget { |
| 40 | const EvmSwitcher({ |
| 41 | super.key, |
| 42 | required this.chains, |
| 43 | required this.currentChain, |
| 44 | required this.onChainSelected, |
| 45 | required this.hiddenChainIds, |
| 46 | required this.onHiddenChanged, |
| 47 | }); |
| 48 | |
| 49 | final List<ChainInfo> chains; |
| 50 | final ChainInfo? currentChain; |
| 51 | final Future<void> Function(int chainId) onChainSelected; |
| 52 | final Set<int> hiddenChainIds; |
| 53 | final void Function(Set<int> hiddenChainIds) onHiddenChanged; |
| 54 | |
| 55 | static const editModeAnimDuration = Duration(milliseconds: 200); |
| 56 | |
| 57 | @override |
| 58 | State<EvmSwitcher> createState() => _EvmSwitcherState(); |
| 59 | } |
| 60 | |
| 61 | class _EvmSwitcherState extends State<EvmSwitcher> { |
| 62 | bool _editMode = false; |
| 63 | var optionsEnabled = <bool>[]; |
| 64 | |
| 65 | @override |
| 66 | void initState() { |
| 67 | super.initState(); |
| 68 | _syncOptionsEnabled(); |
| 69 | } |
| 70 | |
| 71 | @override |
| 72 | void didUpdateWidget(covariant EvmSwitcher oldWidget) { |
| 73 | super.didUpdateWidget(oldWidget); |
| 74 | if (oldWidget.chains != widget.chains || |
| 75 | !_hiddenSetsEqual(oldWidget.hiddenChainIds, widget.hiddenChainIds)) { |
| 76 | _syncOptionsEnabled(); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | void _syncOptionsEnabled() { |
| 81 | optionsEnabled = widget.chains |
| 82 | .map((chain) => !widget.hiddenChainIds.contains(chain.chainId)) |
| 83 | .toList(growable: false); |
| 84 | } |
| 85 | |
| 86 | bool _hiddenSetsEqual(Set<int> a, Set<int> b) => a.length == b.length && a.containsAll(b); |
| 87 | |
| 88 | int get _selectedIndex { |
| 89 | if (widget.currentChain == null) return -1; |
| 90 | return widget.chains.indexWhere( |
| 91 | (chain) => chain.chainId == widget.currentChain!.chainId, |
| 92 | ); |
| 93 | } |
| 94 | |
| 95 | bool shouldBuildSeparator(int index) { |
| 96 | final nextEnabled = optionsEnabled.indexWhere( |
| 97 | (e) => e, |
| 98 | index + 1, |
| 99 | ); |
| 100 | |
| 101 | return index != _selectedIndex && |
| 102 | optionsEnabled[index] && |
| 103 | nextEnabled != _selectedIndex && |
| 104 | nextEnabled != -1; |
| 105 | } |
| 106 | |
| 107 | Set<int> _currentHiddenChainIds() { |
| 108 | final hidden = <int>{}; |
| 109 | for (var i = 0; i < widget.chains.length; i++) { |
| 110 | if (i < optionsEnabled.length && !optionsEnabled[i]) { |
| 111 | hidden.add(widget.chains[i].chainId); |
| 112 | } |
| 113 | } |
| 114 | return hidden; |
| 115 | } |
| 116 | |
| 117 | @override |
| 118 | Widget build(BuildContext context) { |
| 119 | final double popupWidth = MediaQuery.of(context).size.width * 0.9; |
| 120 | return Center( |
| 121 | child: Column( |
| 122 | spacing: 25.0, |
| 123 | mainAxisAlignment: MainAxisAlignment.center, |
| 124 | children: [ |
| 125 | Text( |
| 126 | _editMode ? "Customize options" : "Select Network", |
| 127 | style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500), |
| 128 | ), |
| 129 | ClipRRect( |
| 130 | borderRadius: BorderRadius.circular(20), |
| 131 | child: Container( |
| 132 | decoration: BoxDecoration( |
| 133 | borderRadius: BorderRadius.circular(20), |
| 134 | color: Theme.of(context).colorScheme.surfaceContainer, |
| 135 | ), |
| 136 | child: AnimatedContainer( |
| 137 | duration: EvmSwitcher.editModeAnimDuration, |
| 138 | width: popupWidth, |
| 139 | child: Row( |
| 140 | mainAxisAlignment: MainAxisAlignment.spaceBetween, |
| 141 | children: [ |
| 142 | AnimatedSize( |
| 143 | curve: Curves.easeOutCubic, |
| 144 | duration: EvmSwitcher.editModeAnimDuration, |
| 145 | child: Container( |
| 146 | width: _editMode ? 0 : popupWidth, |
| 147 | child: Column( |
| 148 | mainAxisSize: MainAxisSize.min, |
| 149 | children: [ |
| 150 | ListView.separated( |
| 151 | shrinkWrap: true, |
| 152 | physics: const NeverScrollableScrollPhysics(), |
| 153 | itemBuilder: (context, index) { |
| 154 | if (optionsEnabled[index]) { |
| 155 | final chain = widget.chains[index]; |
| 156 | final data = EvmSwitcherDataItem( |
| 157 | name: chain.name, |
| 158 | svgPath: _getSvgPathForChain(chain.name), |
| 159 | chainId: chain.chainId, |
| 160 | ); |
| 161 | return EvmSwitcherRow( |
| 162 | key: ValueKey(chain.chainId), |
| 163 | data: data, |
| 164 | editMode: false, |
| 165 | selected: index == _selectedIndex, |
| 166 | onTap: () { |
| 167 | widget.onChainSelected(chain.chainId); |
| 168 | if (mounted) { |
| 169 | Navigator.of(context).pop(); |
| 170 | } |
| 171 | }, |
| 172 | editSwitchValue: true, |
| 173 | animDuration: EvmSwitcher.editModeAnimDuration, |
| 174 | ); |
| 175 | } else { |
| 176 | return Container(); |
| 177 | } |
| 178 | }, |
| 179 | separatorBuilder: (context, index) { |
| 180 | if (shouldBuildSeparator(index)) |
| 181 | return Padding( |
| 182 | padding: const EdgeInsets.symmetric(horizontal: 18), |
| 183 | child: Container( |
| 184 | height: 1, |
| 185 | width: double.infinity, |
| 186 | color: |
| 187 | Theme.of(context).colorScheme.surfaceContainerHigh, |
| 188 | )); |
| 189 | else |
| 190 | return Container(height: 1); |
| 191 | }, |
| 192 | itemCount: widget.chains.length), |
| 193 | EvmSwitcherAdditionalOption( |
| 194 | title: "Customize options", |
| 195 | svgPath: "assets/images/evm_switcher_arrow_right.svg", |
| 196 | animDuration: EvmSwitcher.editModeAnimDuration, |
| 197 | topSeparator: true, |
| 198 | bottomSeparator: false, |
| 199 | visible: true, |
| 200 | onTap: () { |
| 201 | setState(() { |
| 202 | _editMode = true; |
| 203 | }); |
| 204 | }, |
| 205 | iconOnRight: true) |
| 206 | ], |
| 207 | ), |
| 208 | ), |
| 209 | ), |
| 210 | AnimatedSize( |
| 211 | curve: Curves.easeOutCubic, |
| 212 | duration: EvmSwitcher.editModeAnimDuration, |
| 213 | child: Container( |
| 214 | width: _editMode ? popupWidth : 0, |
| 215 | height: _editMode ? null : 0, |
| 216 | child: Column( |
| 217 | mainAxisSize: MainAxisSize.min, |
| 218 | children: [ |
| 219 | EvmSwitcherAdditionalOption( |
| 220 | title: "Back", |
| 221 | svgPath: "assets/images/evm_switcher_arrow_left.svg", |
| 222 | animDuration: EvmSwitcher.editModeAnimDuration, |
| 223 | topSeparator: false, |
| 224 | bottomSeparator: true, |
| 225 | visible: true, |
| 226 | onTap: () { |
| 227 | setState(() { |
| 228 | _editMode = false; |
| 229 | }); |
| 230 | }, |
| 231 | iconOnRight: false), |
| 232 | ListView.separated( |
| 233 | shrinkWrap: true, |
| 234 | physics: const NeverScrollableScrollPhysics(), |
| 235 | itemBuilder: (context, index) { |
| 236 | final chain = widget.chains[index]; |
| 237 | final data = EvmSwitcherDataItem( |
| 238 | name: chain.name, |
| 239 | svgPath: _getSvgPathForChain(chain.name), |
| 240 | chainId: chain.chainId, |
| 241 | ); |
| 242 | return EvmSwitcherRow( |
| 243 | key: ValueKey(chain.chainId), |
| 244 | data: data, |
| 245 | editMode: _editMode, |
| 246 | selected: index == _selectedIndex, |
| 247 | onTap: () { |
| 248 | setState(() { |
| 249 | optionsEnabled[index] = !optionsEnabled[index]; |
| 250 | }); |
| 251 | widget.onHiddenChanged( |
| 252 | _currentHiddenChainIds(), |
| 253 | ); |
| 254 | }, |
| 255 | editSwitchValue: optionsEnabled[index], |
| 256 | animDuration: EvmSwitcher.editModeAnimDuration, |
| 257 | ); |
| 258 | }, |
| 259 | separatorBuilder: (context, index) { |
| 260 | return Padding( |
| 261 | padding: const EdgeInsets.symmetric(horizontal: 18), |
| 262 | child: Container( |
| 263 | height: 1, |
| 264 | width: double.infinity, |
| 265 | color: Theme.of(context).colorScheme.surfaceContainerHigh, |
| 266 | )); |
| 267 | }, |
| 268 | itemCount: widget.chains.length), |
| 269 | ], |
| 270 | ), |
| 271 | ), |
| 272 | ), |
| 273 | ], |
| 274 | )), |
| 275 | ), |
| 276 | ), |
| 277 | ], |
| 278 | ), |
| 279 | ); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | class EvmSwitcherAdditionalOption extends StatelessWidget { |
| 284 | const EvmSwitcherAdditionalOption( |
| 285 | {super.key, |
| 286 | required this.title, |
| 287 | required this.svgPath, |
| 288 | required this.animDuration, |
| 289 | required this.topSeparator, |
| 290 | required this.bottomSeparator, |
| 291 | required this.visible, |
| 292 | required this.onTap, |
| 293 | required this.iconOnRight}); |
| 294 | |
| 295 | final String title; |
| 296 | final String svgPath; |
| 297 | final Duration animDuration; |
| 298 | final bool topSeparator; |
| 299 | final bool bottomSeparator; |
| 300 | final bool visible; |
| 301 | final VoidCallback onTap; |
| 302 | final bool iconOnRight; |
| 303 | |
| 304 | @override |
| 305 | Widget build(BuildContext context) { |
| 306 | return GestureDetector( |
| 307 | onTap: onTap, |
| 308 | behavior: HitTestBehavior.translucent, |
| 309 | child: Container( |
| 310 | child: Column( |
| 311 | mainAxisSize: MainAxisSize.max, |
| 312 | children: [ |
| 313 | if (topSeparator) |
| 314 | Padding( |
| 315 | padding: const EdgeInsets.symmetric(horizontal: 18), |
| 316 | child: Container( |
| 317 | height: 1, |
| 318 | width: double.infinity, |
| 319 | color: Theme.of(context).colorScheme.surfaceContainerHigh, |
| 320 | )), |
| 321 | Padding( |
| 322 | padding: const EdgeInsets.all(18), |
| 323 | child: Row( |
| 324 | mainAxisSize: MainAxisSize.max, |
| 325 | spacing: 8.0, |
| 326 | children: [ |
| 327 | if (!iconOnRight) SvgPicture.asset(svgPath, width: 16, height: 16), |
| 328 | Text( |
| 329 | title, |
| 330 | style: TextStyle(color: Theme.of(context).colorScheme.primary), |
| 331 | ), |
| 332 | if (iconOnRight) SvgPicture.asset(svgPath, width: 16, height: 16), |
| 333 | ], |
| 334 | ), |
| 335 | ), |
| 336 | if (bottomSeparator) |
| 337 | Padding( |
| 338 | padding: const EdgeInsets.symmetric(horizontal: 18), |
| 339 | child: Container( |
| 340 | height: 1, |
| 341 | width: double.infinity, |
| 342 | color: Theme.of(context).colorScheme.surfaceContainerHigh, |
| 343 | )), |
| 344 | ], |
| 345 | ), |
| 346 | ), |
| 347 | ); |
| 348 | } |
| 349 | } |