524 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
			
		
		
	
	
			524 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
| import 'dart:async';
 | |
| import 'dart:collection';
 | |
| 
 | |
| import 'package:dynamic_layouts/dynamic_layouts.dart';
 | |
| import 'package:flutter/foundation.dart';
 | |
| import 'package:flutter/material.dart';
 | |
| import 'package:flutter_hbb/desktop/widgets/scroll_wrapper.dart';
 | |
| import 'package:get/get.dart';
 | |
| import 'package:provider/provider.dart';
 | |
| import 'package:visibility_detector/visibility_detector.dart';
 | |
| import 'package:window_manager/window_manager.dart';
 | |
| import 'package:flutter_hbb/models/peer_tab_model.dart';
 | |
| 
 | |
| import '../../common.dart';
 | |
| import '../../models/peer_model.dart';
 | |
| import '../../models/platform_model.dart';
 | |
| import 'peer_card.dart';
 | |
| 
 | |
| typedef PeerFilter = bool Function(Peer peer);
 | |
| typedef PeerCardBuilder = Widget Function(Peer peer);
 | |
| 
 | |
| class PeerSortType {
 | |
|   static const String remoteId = 'Remote ID';
 | |
|   static const String remoteHost = 'Remote Host';
 | |
|   static const String username = 'Username';
 | |
|   // static const String status = 'Status';
 | |
| 
 | |
|   static List<String> values = [
 | |
|     PeerSortType.remoteId,
 | |
|     PeerSortType.remoteHost,
 | |
|     PeerSortType.username,
 | |
|     // PeerSortType.status
 | |
|   ];
 | |
| }
 | |
| 
 | |
| class LoadEvent {
 | |
|   static const String recent = 'load_recent_peers';
 | |
|   static const String favorite = 'load_fav_peers';
 | |
|   static const String lan = 'load_lan_peers';
 | |
|   static const String addressBook = 'load_address_book_peers';
 | |
|   static const String group = 'load_group_peers';
 | |
| }
 | |
| 
 | |
| /// for peer search text, global obs value
 | |
| final peerSearchText = "".obs;
 | |
| 
 | |
| /// for peer sort, global obs value
 | |
| final peerSort = bind.getLocalFlutterOption(k: 'peer-sorting').obs;
 | |
| 
 | |
| // list for listener
 | |
| final obslist = [peerSearchText, peerSort].obs;
 | |
| 
 | |
| final peerSearchTextController =
 | |
|     TextEditingController(text: peerSearchText.value);
 | |
| 
 | |
| class _PeersView extends StatefulWidget {
 | |
|   final Peers peers;
 | |
|   final PeerFilter? peerFilter;
 | |
|   final PeerCardBuilder peerCardBuilder;
 | |
| 
 | |
|   const _PeersView(
 | |
|       {required this.peers,
 | |
|       required this.peerCardBuilder,
 | |
|       this.peerFilter,
 | |
|       Key? key})
 | |
|       : super(key: key);
 | |
| 
 | |
|   @override
 | |
|   _PeersViewState createState() => _PeersViewState();
 | |
| }
 | |
| 
 | |
| /// State for the peer widget.
 | |
| class _PeersViewState extends State<_PeersView> with WindowListener {
 | |
|   static const int _maxQueryCount = 3;
 | |
|   final HashMap<String, String> _emptyMessages = HashMap.from({
 | |
|     LoadEvent.recent: 'empty_recent_tip',
 | |
|     LoadEvent.favorite: 'empty_favorite_tip',
 | |
|     LoadEvent.lan: 'empty_lan_tip',
 | |
|     LoadEvent.addressBook: 'empty_address_book_tip',
 | |
|   });
 | |
|   final space = isDesktop ? 12.0 : 8.0;
 | |
|   final _curPeers = <String>{};
 | |
|   var _lastChangeTime = DateTime.now();
 | |
|   var _lastQueryPeers = <String>{};
 | |
|   var _lastQueryTime = DateTime.now().add(const Duration(seconds: 30));
 | |
|   var _queryCount = 0;
 | |
|   var _exit = false;
 | |
| 
 | |
|   late final mobileWidth = () {
 | |
|     const minWidth = 320.0;
 | |
|     final windowWidth = MediaQuery.of(context).size.width;
 | |
|     var width = windowWidth - 2 * space;
 | |
|     if (windowWidth > minWidth + 2 * space) {
 | |
|       final n = (windowWidth / (minWidth + 2 * space)).floor();
 | |
|       width = windowWidth / n - 2 * space;
 | |
|     }
 | |
|     return width;
 | |
|   }();
 | |
| 
 | |
|   final _scrollController = ScrollController();
 | |
| 
 | |
|   _PeersViewState() {
 | |
|     _startCheckOnlines();
 | |
|   }
 | |
| 
 | |
|   @override
 | |
|   void initState() {
 | |
|     windowManager.addListener(this);
 | |
|     super.initState();
 | |
|   }
 | |
| 
 | |
|   @override
 | |
|   void dispose() {
 | |
|     windowManager.removeListener(this);
 | |
|     _exit = true;
 | |
|     super.dispose();
 | |
|   }
 | |
| 
 | |
|   @override
 | |
|   void onWindowFocus() {
 | |
|     _queryCount = 0;
 | |
|   }
 | |
| 
 | |
|   @override
 | |
|   void onWindowMinimize() {
 | |
|     _queryCount = _maxQueryCount;
 | |
|   }
 | |
| 
 | |
|   @override
 | |
|   Widget build(BuildContext context) {
 | |
|     return ChangeNotifierProvider<Peers>(
 | |
|       create: (context) => widget.peers,
 | |
|       child: Consumer<Peers>(builder: (context, peers, child) {
 | |
|         if (peers.peers.isEmpty) {
 | |
|           gFFI.peerTabModel.setCurrentTabCachedPeers([]);
 | |
|           return Center(
 | |
|             child: Column(
 | |
|               mainAxisAlignment: MainAxisAlignment.center,
 | |
|               children: [
 | |
|                 Icon(
 | |
|                   Icons.sentiment_very_dissatisfied_rounded,
 | |
|                   color: Theme.of(context).tabBarTheme.labelColor,
 | |
|                   size: 40,
 | |
|                 ).paddingOnly(bottom: 10),
 | |
|                 Text(
 | |
|                   translate(
 | |
|                     _emptyMessages[widget.peers.loadEvent] ?? 'Empty',
 | |
|                   ),
 | |
|                   textAlign: TextAlign.center,
 | |
|                   style: TextStyle(
 | |
|                     color: Theme.of(context).tabBarTheme.labelColor,
 | |
|                   ),
 | |
|                 ),
 | |
|               ],
 | |
|             ),
 | |
|           );
 | |
|         } else {
 | |
|           return _buildPeersView(peers);
 | |
|         }
 | |
|       }),
 | |
|     );
 | |
|   }
 | |
| 
 | |
|   onVisibilityChanged(VisibilityInfo info) {
 | |
|     final peerId = _peerId((info.key as ValueKey).value);
 | |
|     if (info.visibleFraction > 0.00001) {
 | |
|       _curPeers.add(peerId);
 | |
|     } else {
 | |
|       _curPeers.remove(peerId);
 | |
|     }
 | |
|     _lastChangeTime = DateTime.now();
 | |
|   }
 | |
| 
 | |
|   String _cardId(String id) => widget.peers.name + id;
 | |
|   String _peerId(String cardId) => cardId.replaceAll(widget.peers.name, '');
 | |
| 
 | |
|   Widget _buildPeersView(Peers peers) {
 | |
|     final updateEvent = peers.event;
 | |
|     final body = ObxValue<RxList>((filters) {
 | |
|       return FutureBuilder<List<Peer>>(
 | |
|         builder: (context, snapshot) {
 | |
|           if (snapshot.hasData) {
 | |
|             var peers = snapshot.data!;
 | |
|             if (peers.length > 1000) peers = peers.sublist(0, 1000);
 | |
|             gFFI.peerTabModel.setCurrentTabCachedPeers(peers);
 | |
|             buildOnePeer(Peer peer) {
 | |
|               final visibilityChild = VisibilityDetector(
 | |
|                 key: ValueKey(_cardId(peer.id)),
 | |
|                 onVisibilityChanged: onVisibilityChanged,
 | |
|                 child: widget.peerCardBuilder(peer),
 | |
|               );
 | |
|               final windowWidth = MediaQuery.of(context).size.width;
 | |
|               // `Provider.of<PeerTabModel>(context)` will causes infinete loop.
 | |
|               // Because `gFFI.peerTabModel.setCurrentTabCachedPeers(peers)` will trigger `notifyListeners()`.
 | |
|               //
 | |
|               // No need to listen the currentTab change event.
 | |
|               // Because the currentTab change event will trigger the peers change event,
 | |
|               // and the peers change event will trigger _buildPeersView().
 | |
|               final currentTab =
 | |
|                   Provider.of<PeerTabModel>(context, listen: false).currentTab;
 | |
|               final hideAbTagsPanel =
 | |
|                   bind.mainGetLocalOption(key: "hideAbTagsPanel").isNotEmpty;
 | |
|               return isDesktop
 | |
|                   ? Obx(
 | |
|                       () => SizedBox(
 | |
|                         width: peerCardUiType.value != PeerUiType.list
 | |
|                             ? 220
 | |
|                             : currentTab == PeerTabIndex.group.index ||
 | |
|                                     (currentTab == PeerTabIndex.ab.index &&
 | |
|                                         !hideAbTagsPanel)
 | |
|                                 ? windowWidth - 390
 | |
|                                 : windowWidth - 227,
 | |
|                         height: peerCardUiType.value == PeerUiType.grid
 | |
|                             ? 140
 | |
|                             : peerCardUiType.value != PeerUiType.list
 | |
|                                 ? 42
 | |
|                                 : 45,
 | |
|                         child: visibilityChild,
 | |
|                       ),
 | |
|                     )
 | |
|                   : SizedBox(width: mobileWidth, child: visibilityChild);
 | |
|             }
 | |
| 
 | |
|             final Widget child;
 | |
|             if (isMobile) {
 | |
|               child = DynamicGridView.builder(
 | |
|                 gridDelegate: SliverGridDelegateWithWrapping(
 | |
|                     mainAxisSpacing: space / 2, crossAxisSpacing: space),
 | |
|                 itemCount: peers.length,
 | |
|                 itemBuilder: (BuildContext context, int index) {
 | |
|                   return buildOnePeer(peers[index]);
 | |
|                 },
 | |
|               );
 | |
|             } else {
 | |
|               child = DesktopScrollWrapper(
 | |
|                 scrollController: _scrollController,
 | |
|                 child: DynamicGridView.builder(
 | |
|                     controller: _scrollController,
 | |
|                     physics: DraggableNeverScrollableScrollPhysics(),
 | |
|                     gridDelegate: SliverGridDelegateWithWrapping(
 | |
|                         mainAxisSpacing: space / 2, crossAxisSpacing: space),
 | |
|                     itemCount: peers.length,
 | |
|                     itemBuilder: (BuildContext context, int index) {
 | |
|                       return buildOnePeer(peers[index]);
 | |
|                     }),
 | |
|               );
 | |
|             }
 | |
| 
 | |
|             if (updateEvent == UpdateEvent.load) {
 | |
|               _curPeers.clear();
 | |
|               _curPeers.addAll(peers.map((e) => e.id));
 | |
|               _queryOnlines(true);
 | |
|             }
 | |
|             return child;
 | |
|           } else {
 | |
|             return const Center(
 | |
|               child: CircularProgressIndicator(),
 | |
|             );
 | |
|           }
 | |
|         },
 | |
|         future: matchPeers(filters[0].value, filters[1].value, peers.peers),
 | |
|       );
 | |
|     }, obslist);
 | |
| 
 | |
|     return body;
 | |
|   }
 | |
| 
 | |
|   final _queryInterval = const Duration(seconds: 20);
 | |
| 
 | |
|   void _startCheckOnlines() {
 | |
|     () async {
 | |
|       while (!_exit) {
 | |
|         final now = DateTime.now();
 | |
|         if (!setEquals(_curPeers, _lastQueryPeers)) {
 | |
|           if (now.difference(_lastChangeTime) > const Duration(seconds: 1)) {
 | |
|             _queryOnlines(false);
 | |
|           }
 | |
|         } else {
 | |
|           if (_queryCount < _maxQueryCount) {
 | |
|             if (now.difference(_lastQueryTime) >= _queryInterval) {
 | |
|               if (_curPeers.isNotEmpty) {
 | |
|                 bind.queryOnlines(ids: _curPeers.toList(growable: false));
 | |
|                 _lastQueryTime = DateTime.now();
 | |
|                 _queryCount += 1;
 | |
|               }
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|         await Future.delayed(const Duration(milliseconds: 300));
 | |
|       }
 | |
|     }();
 | |
|   }
 | |
| 
 | |
|   _queryOnlines(bool isLoadEvent) {
 | |
|     if (_curPeers.isNotEmpty) {
 | |
|       bind.queryOnlines(ids: _curPeers.toList(growable: false));
 | |
|       _lastQueryPeers = {..._curPeers};
 | |
|       if (isLoadEvent) {
 | |
|         _lastChangeTime = DateTime.now();
 | |
|       } else {
 | |
|         _lastQueryTime = DateTime.now().subtract(_queryInterval);
 | |
|       }
 | |
|       _queryCount = 0;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   Future<List<Peer>>? matchPeers(
 | |
|       String searchText, String sortedBy, List<Peer> peers) async {
 | |
|     if (widget.peerFilter != null) {
 | |
|       peers = peers.where((peer) => widget.peerFilter!(peer)).toList();
 | |
|     }
 | |
| 
 | |
|     // fallback to id sorting
 | |
|     if (!PeerSortType.values.contains(sortedBy)) {
 | |
|       sortedBy = PeerSortType.remoteId;
 | |
|       bind.setLocalFlutterOption(
 | |
|         k: "peer-sorting",
 | |
|         v: sortedBy,
 | |
|       );
 | |
|     }
 | |
| 
 | |
|     if (widget.peers.loadEvent != LoadEvent.recent) {
 | |
|       switch (sortedBy) {
 | |
|         case PeerSortType.remoteId:
 | |
|           peers.sort((p1, p2) => p1.getId().compareTo(p2.getId()));
 | |
|           break;
 | |
|         case PeerSortType.remoteHost:
 | |
|           peers.sort((p1, p2) =>
 | |
|               p1.hostname.toLowerCase().compareTo(p2.hostname.toLowerCase()));
 | |
|           break;
 | |
|         case PeerSortType.username:
 | |
|           peers.sort((p1, p2) =>
 | |
|               p1.username.toLowerCase().compareTo(p2.username.toLowerCase()));
 | |
|           break;
 | |
|         // case PeerSortType.status:
 | |
|         // peers.sort((p1, p2) => p1.online ? -1 : 1);
 | |
|         // break;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     searchText = searchText.trim();
 | |
|     if (searchText.isEmpty) {
 | |
|       return peers;
 | |
|     }
 | |
|     searchText = searchText.toLowerCase();
 | |
|     final matches =
 | |
|         await Future.wait(peers.map((peer) => matchPeer(searchText, peer)));
 | |
|     final filteredList = List<Peer>.empty(growable: true);
 | |
|     for (var i = 0; i < peers.length; i++) {
 | |
|       if (matches[i]) {
 | |
|         filteredList.add(peers[i]);
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     return filteredList;
 | |
|   }
 | |
| }
 | |
| 
 | |
| abstract class BasePeersView extends StatelessWidget {
 | |
|   final String name;
 | |
|   final String loadEvent;
 | |
|   final PeerFilter? peerFilter;
 | |
|   final PeerCardBuilder peerCardBuilder;
 | |
|   final GetInitPeers? getInitPeers;
 | |
| 
 | |
|   const BasePeersView({
 | |
|     Key? key,
 | |
|     required this.name,
 | |
|     required this.loadEvent,
 | |
|     this.peerFilter,
 | |
|     required this.peerCardBuilder,
 | |
|     required this.getInitPeers,
 | |
|   }) : super(key: key);
 | |
| 
 | |
|   @override
 | |
|   Widget build(BuildContext context) {
 | |
|     return _PeersView(
 | |
|         peers:
 | |
|             Peers(name: name, loadEvent: loadEvent, getInitPeers: getInitPeers),
 | |
|         peerFilter: peerFilter,
 | |
|         peerCardBuilder: peerCardBuilder);
 | |
|   }
 | |
| }
 | |
| 
 | |
| class RecentPeersView extends BasePeersView {
 | |
|   RecentPeersView(
 | |
|       {Key? key, EdgeInsets? menuPadding, ScrollController? scrollController})
 | |
|       : super(
 | |
|           key: key,
 | |
|           name: 'recent peer',
 | |
|           loadEvent: LoadEvent.recent,
 | |
|           peerCardBuilder: (Peer peer) => RecentPeerCard(
 | |
|             peer: peer,
 | |
|             menuPadding: menuPadding,
 | |
|           ),
 | |
|           getInitPeers: null,
 | |
|         );
 | |
| 
 | |
|   @override
 | |
|   Widget build(BuildContext context) {
 | |
|     final widget = super.build(context);
 | |
|     bind.mainLoadRecentPeers();
 | |
|     return widget;
 | |
|   }
 | |
| }
 | |
| 
 | |
| class FavoritePeersView extends BasePeersView {
 | |
|   FavoritePeersView(
 | |
|       {Key? key, EdgeInsets? menuPadding, ScrollController? scrollController})
 | |
|       : super(
 | |
|           key: key,
 | |
|           name: 'favorite peer',
 | |
|           loadEvent: LoadEvent.favorite,
 | |
|           peerCardBuilder: (Peer peer) => FavoritePeerCard(
 | |
|             peer: peer,
 | |
|             menuPadding: menuPadding,
 | |
|           ),
 | |
|           getInitPeers: null,
 | |
|         );
 | |
| 
 | |
|   @override
 | |
|   Widget build(BuildContext context) {
 | |
|     final widget = super.build(context);
 | |
|     bind.mainLoadFavPeers();
 | |
|     return widget;
 | |
|   }
 | |
| }
 | |
| 
 | |
| class DiscoveredPeersView extends BasePeersView {
 | |
|   DiscoveredPeersView(
 | |
|       {Key? key, EdgeInsets? menuPadding, ScrollController? scrollController})
 | |
|       : super(
 | |
|           key: key,
 | |
|           name: 'discovered peer',
 | |
|           loadEvent: LoadEvent.lan,
 | |
|           peerCardBuilder: (Peer peer) => DiscoveredPeerCard(
 | |
|             peer: peer,
 | |
|             menuPadding: menuPadding,
 | |
|           ),
 | |
|           getInitPeers: null,
 | |
|         );
 | |
| 
 | |
|   @override
 | |
|   Widget build(BuildContext context) {
 | |
|     final widget = super.build(context);
 | |
|     bind.mainLoadLanPeers();
 | |
|     return widget;
 | |
|   }
 | |
| }
 | |
| 
 | |
| class AddressBookPeersView extends BasePeersView {
 | |
|   AddressBookPeersView(
 | |
|       {Key? key,
 | |
|       EdgeInsets? menuPadding,
 | |
|       ScrollController? scrollController,
 | |
|       required GetInitPeers getInitPeers})
 | |
|       : super(
 | |
|           key: key,
 | |
|           name: 'address book peer',
 | |
|           loadEvent: LoadEvent.addressBook,
 | |
|           peerFilter: (Peer peer) =>
 | |
|               _hitTag(gFFI.abModel.selectedTags, peer.tags),
 | |
|           peerCardBuilder: (Peer peer) => AddressBookPeerCard(
 | |
|             peer: peer,
 | |
|             menuPadding: menuPadding,
 | |
|           ),
 | |
|           getInitPeers: getInitPeers,
 | |
|         );
 | |
| 
 | |
|   static bool _hitTag(List<dynamic> selectedTags, List<dynamic> idents) {
 | |
|     if (selectedTags.isEmpty) {
 | |
|       return true;
 | |
|     }
 | |
|     if (gFFI.abModel.filterByIntersection.value) {
 | |
|       for (final tag in selectedTags) {
 | |
|         if (!idents.contains(tag)) {
 | |
|           return false;
 | |
|         }
 | |
|       }
 | |
|       return true;
 | |
|     } else {
 | |
|       for (final tag in selectedTags) {
 | |
|         if (idents.contains(tag)) {
 | |
|           return true;
 | |
|         }
 | |
|       }
 | |
|       return false;
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| class MyGroupPeerView extends BasePeersView {
 | |
|   MyGroupPeerView(
 | |
|       {Key? key,
 | |
|       EdgeInsets? menuPadding,
 | |
|       ScrollController? scrollController,
 | |
|       required GetInitPeers getInitPeers})
 | |
|       : super(
 | |
|           key: key,
 | |
|           name: 'group peer',
 | |
|           loadEvent: LoadEvent.group,
 | |
|           peerFilter: filter,
 | |
|           peerCardBuilder: (Peer peer) => MyGroupPeerCard(
 | |
|             peer: peer,
 | |
|             menuPadding: menuPadding,
 | |
|           ),
 | |
|           getInitPeers: getInitPeers,
 | |
|         );
 | |
| 
 | |
|   static bool filter(Peer peer) {
 | |
|     if (gFFI.groupModel.searchUserText.isNotEmpty) {
 | |
|       if (!peer.loginName.contains(gFFI.groupModel.searchUserText)) {
 | |
|         return false;
 | |
|       }
 | |
|     }
 | |
|     if (gFFI.groupModel.selectedUser.isNotEmpty) {
 | |
|       if (gFFI.groupModel.selectedUser.value != peer.loginName) {
 | |
|         return false;
 | |
|       }
 | |
|     }
 | |
|     return true;
 | |
|   }
 | |
| }
 |