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:fluffychat/pages/chat_list/chat_list.dart'; import 'package:fluffychat/pages/chat_list/chat_list_item.dart'; import 'package:fluffychat/pages/chat_list/spaces_entry.dart'; import 'package:fluffychat/pages/chat_list/stories_header.dart'; import 'package:fluffychat/widgets/avatar.dart'; import 'package:fluffychat/widgets/connection_status_header.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'; 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); if (rooms.isEmpty) { child = 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, ), ), ), ], ); } else { final displayStoriesHeader = widget.controller.activeSpacesEntry .shouldShowStoriesHeader(context); 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: [ const ConnectionStatusHeader(), if (roomSearchResult != null) ...[ _SearchTitle(title: L10n.of(context)!.publicRooms), 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), 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), StoriesHeader( filter: widget.controller.searchController.text, ), AnimatedContainer( height: !widget.controller.isSearchMode && widget.controller.showChatBackupBanner ? 54 : 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: CircleAvatar( radius: Avatar.defaultSize / 2, child: const Icon(Icons.enhanced_encryption_outlined), backgroundColor: Theme.of(context) .colorScheme .secondaryContainer, foregroundColor: Theme.of(context) .colorScheme .onSecondaryContainer, ), title: Text( Matrix.of(context) .client .encryption! .keyManager .enabled ? L10n.of(context)!.unlockOldMessages : L10n.of(context)!.enableAutoBackups, style: TextStyle( color: Theme.of(context).colorScheme.onSurface, ), ), trailing: const Icon(Icons.chevron_right_outlined), onTap: widget.controller.firstRunBootstrapAction, ), ), ), if (widget.controller.isSearchMode) _SearchTitle(title: L10n.of(context)!.chats), ], ); } i--; } if (i >= rooms.length) { return const ListTile(); } 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; } } class _SearchTitle extends StatelessWidget { final String title; const _SearchTitle({required this.title, Key? key}) : super(key: key); @override Widget build(BuildContext context) => Container( decoration: BoxDecoration( border: Border.symmetric( horizontal: BorderSide( color: Theme.of(context).dividerColor, width: 1, )), color: Theme.of(context).colorScheme.surface, ), child: Align( alignment: Alignment.centerLeft, child: Padding( padding: const EdgeInsets.symmetric( horizontal: 16, vertical: 8, ), child: Text(title, textAlign: TextAlign.left, style: TextStyle( color: Theme.of(context).colorScheme.onSurface, fontSize: 12, fontWeight: FontWeight.bold, )), ), ), ); } 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, ), ), ), ], ), ), ); }