import 'package:famedlysdk/famedlysdk.dart'; import 'package:fluffychat/components/list_items/chat_list_item.dart'; import 'package:fluffychat/components/matrix.dart'; import 'package:flutter/material.dart'; import 'package:flutter_gen/gen_l10n/l10n.dart'; class Archive extends StatefulWidget { @override _ArchiveState createState() => _ArchiveState(); } class _ArchiveState extends State { List archive; Future> getArchive(BuildContext context) async { if (archive != null) return archive; return await Matrix.of(context).client.archive; } final ScrollController _scrollController = ScrollController(); bool _scrolledToTop = true; @override void initState() { _scrollController.addListener(() async { if (_scrollController.position.pixels > 0 && _scrolledToTop) { setState(() => _scrolledToTop = false); } else if (_scrollController.position.pixels == 0 && !_scrolledToTop) { setState(() => _scrolledToTop = true); } }); super.initState(); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( leading: BackButton(), title: Text(L10n.of(context).archive), elevation: _scrolledToTop ? 0 : null, ), body: FutureBuilder>( future: getArchive(context), builder: (BuildContext context, snapshot) { if (!snapshot.hasData) { return Center(child: CircularProgressIndicator()); } else { archive = snapshot.data; return ListView.builder( controller: _scrollController, itemCount: archive.length, itemBuilder: (BuildContext context, int i) => ChatListItem( archive[i], onForget: () => setState(() => archive.removeAt(i))), ); } }, ), ); } }