import 'dart:async'; import 'package:flutter/material.dart'; import 'package:animations/animations.dart'; import 'package:flutter_gen/gen_l10n/l10n.dart'; import 'package:matrix/matrix.dart'; import 'package:matrix_link_text/link_text.dart'; import 'package:fluffychat/pages/chat_list/chat_list.dart'; import 'package:fluffychat/pages/chat_list/chat_list_item.dart'; import 'package:fluffychat/pages/chat_list/search_title.dart'; import 'package:fluffychat/pages/chat_list/spaces_entry.dart'; import 'package:fluffychat/pages/chat_list/stories_header.dart'; import 'package:fluffychat/utils/url_launcher.dart'; import 'package:fluffychat/widgets/avatar.dart'; import 'package:fluffychat/widgets/profile_bottom_sheet.dart'; import 'package:fluffychat/widgets/public_room_bottom_sheet.dart'; import '../../utils/stream_extension.dart'; import '../../widgets/matrix.dart'; import 'spaces_hierarchy_proposal.dart'; class ChatListViewBody extends StatefulWidget { final ChatListController controller; const ChatListViewBody(this.controller, {Key? key}) : super(key: key); @override State createState() => _ChatListViewBodyState(); } class _ChatListViewBodyState extends State { // the matrix sync stream late StreamSubscription _subscription; // used to check the animation direction String? _lastUserId; SpacesEntry? _lastSpace; @override void initState() { _subscription = Matrix.of(context) .client .onSync .stream .where((s) => s.hasRoomUpdate) .rateLimit(const Duration(seconds: 1)) .listen((d) => setState(() {})); super.initState(); } @override Widget build(BuildContext context) { final reversed = !_animationReversed(); final roomSearchResult = widget.controller.roomSearchResult; final userSearchResult = widget.controller.userSearchResult; Widget child; if (widget.controller.waitForFirstSync && Matrix.of(context).client.prevBatch != null) { final rooms = widget.controller.activeSpacesEntry.getRooms(context); final displayStoriesHeader = widget.controller.activeSpacesEntry .shouldShowStoriesHeader(context) || rooms.isEmpty; child = ListView.builder( key: ValueKey(Matrix.of(context).client.userID.toString() + widget.controller.activeSpaceId.toString() + widget.controller.activeSpacesEntry.runtimeType.toString()), controller: widget.controller.scrollController, // add +1 space below in order to properly scroll below the spaces bar itemCount: rooms.length + (displayStoriesHeader ? 2 : 1), itemBuilder: (BuildContext context, int i) { if (displayStoriesHeader) { if (i == 0) { return Column( mainAxisSize: MainAxisSize.min, children: [ SpaceRoomListTopBar(widget.controller), if (roomSearchResult != null) ...[ SearchTitle( title: L10n.of(context)!.publicRooms, icon: const Icon(Icons.explore_outlined), ), AnimatedContainer( height: roomSearchResult.chunk.isEmpty ? 0 : 106, duration: const Duration(milliseconds: 250), clipBehavior: Clip.hardEdge, decoration: const BoxDecoration(), child: ListView.builder( scrollDirection: Axis.horizontal, itemCount: roomSearchResult.chunk.length, itemBuilder: (context, i) => _SearchItem( title: roomSearchResult.chunk[i].name ?? roomSearchResult .chunk[i].canonicalAlias?.localpart ?? L10n.of(context)!.group, avatar: roomSearchResult.chunk[i].avatarUrl, onPressed: () => showModalBottomSheet( context: context, builder: (c) => PublicRoomBottomSheet( roomAlias: roomSearchResult.chunk[i].canonicalAlias ?? roomSearchResult.chunk[i].roomId, outerContext: context, chunk: roomSearchResult.chunk[i], ), ), ), ), ), ], if (userSearchResult != null) ...[ SearchTitle( title: L10n.of(context)!.users, icon: const Icon(Icons.group_outlined), ), AnimatedContainer( height: userSearchResult.results.isEmpty ? 0 : 106, duration: const Duration(milliseconds: 250), clipBehavior: Clip.hardEdge, decoration: const BoxDecoration(), child: ListView.builder( scrollDirection: Axis.horizontal, itemCount: userSearchResult.results.length, itemBuilder: (context, i) => _SearchItem( title: userSearchResult.results[i].displayName ?? userSearchResult.results[i].userId.localpart ?? L10n.of(context)!.unknownDevice, avatar: userSearchResult.results[i].avatarUrl, onPressed: () => showModalBottomSheet( context: context, builder: (c) => ProfileBottomSheet( userId: userSearchResult.results[i].userId, outerContext: context, ), ), ), ), ), ], if (widget.controller.isSearchMode) SearchTitle( title: L10n.of(context)!.stories, icon: const Icon(Icons.camera_alt_outlined), ), StoriesHeader( filter: widget.controller.searchController.text, ), AnimatedContainer( height: widget.controller.isTorBrowser ? 64 : 0, duration: const Duration(milliseconds: 300), clipBehavior: Clip.hardEdge, curve: Curves.bounceInOut, decoration: const BoxDecoration(), child: Material( color: Theme.of(context).colorScheme.surface, child: ListTile( leading: const Icon(Icons.vpn_key), title: Text(L10n.of(context)!.dehydrateTor), subtitle: Text(L10n.of(context)!.dehydrateTorLong), trailing: const Icon(Icons.chevron_right_outlined), onTap: widget.controller.dehydrate, ), ), ), if (widget.controller.isSearchMode) SearchTitle( title: L10n.of(context)!.chats, icon: const Icon(Icons.chat_outlined), ), if (rooms.isEmpty && !widget.controller.isSearchMode) Column( key: const ValueKey(null), mainAxisAlignment: MainAxisAlignment.center, mainAxisSize: MainAxisSize.min, children: [ Image.asset( 'assets/private_chat_wallpaper.png', width: 160, height: 160, ), Center( child: Text( L10n.of(context)!.startYourFirstChat, textAlign: TextAlign.start, style: const TextStyle( color: Colors.grey, fontSize: 16, ), ), ), const SizedBox(height: 16), ], ), ], ); } i--; } if (i >= rooms.length) { return SpacesHierarchyProposals( space: widget.controller.activeSpacesEntry.getSpace(context)?.id, query: widget.controller.isSearchMode ? widget.controller.searchController.text : null, ); } if (!rooms[i].displayname.toLowerCase().contains( widget.controller.searchController.text.toLowerCase())) { return Container(); } return ChatListItem( rooms[i], selected: widget.controller.selectedRoomIds.contains(rooms[i].id), onTap: widget.controller.selectMode == SelectMode.select ? () => widget.controller.toggleSelection(rooms[i].id) : null, onLongPress: () => widget.controller.toggleSelection(rooms[i].id), activeChat: widget.controller.activeChat == rooms[i].id, ); }, ); } else { const dummyChatCount = 5; final titleColor = Theme.of(context).textTheme.bodyText1!.color!.withAlpha(100); final subtitleColor = Theme.of(context).textTheme.bodyText1!.color!.withAlpha(50); child = ListView.builder( itemCount: dummyChatCount, itemBuilder: (context, i) => Opacity( opacity: (dummyChatCount - i) / dummyChatCount, child: ListTile( leading: CircleAvatar( backgroundColor: titleColor, child: CircularProgressIndicator( strokeWidth: 1, color: Theme.of(context).textTheme.bodyText1!.color, ), ), title: Row( children: [ Expanded( child: Container( height: 14, decoration: BoxDecoration( color: titleColor, borderRadius: BorderRadius.circular(3), ), ), ), const SizedBox(width: 36), Container( height: 14, width: 14, decoration: BoxDecoration( color: subtitleColor, borderRadius: BorderRadius.circular(14), ), ), const SizedBox(width: 12), Container( height: 14, width: 14, decoration: BoxDecoration( color: subtitleColor, borderRadius: BorderRadius.circular(14), ), ), ], ), subtitle: Container( decoration: BoxDecoration( color: subtitleColor, borderRadius: BorderRadius.circular(3), ), height: 12, margin: const EdgeInsets.only(right: 22), ), ), ), ); } return PageTransitionSwitcher( reverse: reversed, transitionBuilder: ( Widget child, Animation primaryAnimation, Animation secondaryAnimation, ) { return SharedAxisTransition( animation: primaryAnimation, secondaryAnimation: secondaryAnimation, transitionType: SharedAxisTransitionType.vertical, fillColor: Theme.of(context).scaffoldBackgroundColor, child: child, ); }, child: child, ); } @override void dispose() { _subscription.cancel(); super.dispose(); } bool _animationReversed() { bool reversed; // in case the matrix id changes, check the indexOf the matrix id final newClient = Matrix.of(context).client; if (_lastUserId != newClient.userID) { reversed = Matrix.of(context) .currentBundle! .indexWhere((element) => element!.userID == _lastUserId) < Matrix.of(context) .currentBundle! .indexWhere((element) => element!.userID == newClient.userID); } // otherwise, the space changed... else { reversed = widget.controller.spacesEntries .indexWhere((element) => element == _lastSpace) < widget.controller.spacesEntries.indexWhere( (element) => element == widget.controller.activeSpacesEntry); } _lastUserId = newClient.userID; _lastSpace = widget.controller.activeSpacesEntry; return reversed; } @override void didUpdateWidget(covariant ChatListViewBody oldWidget) { setState(() {}); super.didUpdateWidget(oldWidget); } } class SpaceRoomListTopBar extends StatefulWidget { final ChatListController controller; const SpaceRoomListTopBar(this.controller, {Key? key}) : super(key: key); @override State createState() => _SpaceRoomListTopBarState(); } class _SpaceRoomListTopBarState extends State { bool _limitSize = true; @override Widget build(BuildContext context) { if (widget.controller.activeSpacesEntry is SpaceSpacesEntry && !widget.controller.isSearchMode && (widget.controller.activeSpacesEntry as SpaceSpacesEntry) .space .topic .isNotEmpty) { return GestureDetector( onTap: () => setState(() { _limitSize = !_limitSize; }), child: Column( children: [ Padding( padding: const EdgeInsets.all(8), child: LinkText( text: (widget.controller.activeSpacesEntry as SpaceSpacesEntry) .space .topic, maxLines: _limitSize ? 3 : null, linkStyle: const TextStyle(color: Colors.blueAccent), textStyle: TextStyle( fontSize: 14, color: Theme.of(context).textTheme.bodyText2!.color, ), onLinkTap: (url) => UrlLauncher(context, url).launchUrl(), ), ), const Divider(), ], ), ); } else { return Container(); } } } class _SearchItem extends StatelessWidget { final String title; final Uri? avatar; final void Function() onPressed; const _SearchItem({ required this.title, this.avatar, required this.onPressed, Key? key, }) : super(key: key); @override Widget build(BuildContext context) => InkWell( onTap: onPressed, child: SizedBox( width: 84, child: Column( mainAxisSize: MainAxisSize.min, children: [ const SizedBox(height: 8), Avatar( mxContent: avatar, name: title, ), Padding( padding: const EdgeInsets.all(8.0), child: Text( title, maxLines: 2, textAlign: TextAlign.center, style: const TextStyle( fontSize: 12, ), ), ), ], ), ), ); }