fluffychat/lib/views/chat_list.dart

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Dart
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import 'dart:async';
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import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/components/adaptive_page_layout.dart';
import 'package:fluffychat/components/dialogs/new_group_dialog.dart';
import 'package:fluffychat/components/dialogs/new_private_chat_dialog.dart';
import 'package:fluffychat/components/list_items/chat_list_item.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:fluffychat/utils/app_route.dart';
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import 'package:fluffychat/utils/url_launcher.dart';
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import 'package:fluffychat/views/archive.dart';
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import 'package:fluffychat/views/settings.dart';
import 'package:flutter/material.dart';
import 'package:flutter_speed_dial/flutter_speed_dial.dart';
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import 'package:receive_sharing_intent/receive_sharing_intent.dart';
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enum SelectMode { normal, multi_select, share }
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class ChatListView extends StatelessWidget {
@override
Widget build(BuildContext context) {
return AdaptivePageLayout(
primaryPage: FocusPage.FIRST,
firstScaffold: ChatList(),
secondScaffold: Scaffold(
body: Center(
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child: Image.asset("assets/logo.png", width: 100, height: 100),
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),
),
);
}
}
class ChatList extends StatefulWidget {
final String activeChat;
const ChatList({this.activeChat, Key key}) : super(key: key);
@override
_ChatListState createState() => _ChatListState();
}
class _ChatListState extends State<ChatList> {
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bool searchMode = false;
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StreamSubscription sub;
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final TextEditingController searchController = TextEditingController();
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SelectMode selectMode = SelectMode.normal;
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Future<bool> waitForFirstSync(BuildContext context) async {
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Client client = Matrix.of(context).client;
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if (client.prevBatch?.isEmpty ?? true) {
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await client.onFirstSync.stream.first;
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}
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sub ??= client.onSync.stream.listen((s) => setState(() => null));
return true;
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}
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@override
void initState() {
searchController.addListener(
() => setState(() => null),
);
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getSharedData();
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super.initState();
}
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StreamSubscription _intentDataStreamSubscription;
void processSharedText(String text) {
if (text.startsWith("https://matrix.to/#/")) {
UrlLauncher(context, text).openMatrixToUrl();
} else {
setState(() => Matrix.of(context).shareContent = {
"msgtype": "m.text",
"body": text,
});
}
}
void getSharedData() {
// For sharing or opening urls/text coming from outside the app while the app is in the memory
_intentDataStreamSubscription = ReceiveSharingIntent.getTextStream()
.listen(processSharedText, onError: (err) {
print("getLinkStream error: $err");
});
// For sharing or opening urls/text coming from outside the app while the app is closed
ReceiveSharingIntent.getInitialText().then(processSharedText);
}
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@override
void dispose() {
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sub?.cancel();
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searchController.removeListener(
() => setState(() => null),
);
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_intentDataStreamSubscription?.cancel();
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super.dispose();
}
@override
Widget build(BuildContext context) {
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if (Matrix.of(context).shareContent != null) {
selectMode = SelectMode.share;
} else if (selectMode == SelectMode.share) {
setState(() => selectMode = SelectMode.normal);
}
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return Scaffold(
appBar: AppBar(
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title: searchMode
? TextField(
autofocus: true,
autocorrect: false,
controller: searchController,
decoration: InputDecoration(
border: InputBorder.none,
hintText: "Search for a chat",
),
)
: Text(
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selectMode == SelectMode.share ? "Share" : "FluffyChat",
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),
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leading: searchMode
? IconButton(
icon: Icon(Icons.arrow_back),
onPressed: () => setState(() => searchMode = false),
)
: null,
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automaticallyImplyLeading: false,
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actions: searchMode
? null
: <Widget>[
IconButton(
icon: Icon(Icons.search),
onPressed: () => setState(() => searchMode = true),
),
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if (selectMode == SelectMode.share)
IconButton(
icon: Icon(Icons.close),
onPressed: () {
Matrix.of(context).shareContent = null;
setState(() => selectMode = SelectMode.normal);
},
),
if (selectMode == SelectMode.normal)
PopupMenuButton(
onSelected: (String choice) {
switch (choice) {
case "settings":
Navigator.of(context).pushAndRemoveUntil(
AppRoute.defaultRoute(
context,
SettingsView(),
),
(r) => r.isFirst,
);
break;
case "archive":
Navigator.of(context).pushAndRemoveUntil(
AppRoute.defaultRoute(
context,
Archive(),
),
(r) => r.isFirst,
);
break;
}
},
itemBuilder: (BuildContext context) =>
<PopupMenuEntry<String>>[
const PopupMenuItem<String>(
value: "archive",
child: Text('Archive'),
),
const PopupMenuItem<String>(
value: "settings",
child: Text('Settings'),
),
],
),
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],
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),
floatingActionButton: SpeedDial(
child: Icon(Icons.add),
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backgroundColor: Theme.of(context).primaryColor,
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children: [
SpeedDialChild(
child: Icon(Icons.people_outline),
backgroundColor: Colors.blue,
label: 'Create new group',
labelStyle: TextStyle(fontSize: 18.0),
onTap: () => showDialog(
context: context,
builder: (BuildContext innerContext) => NewGroupDialog(),
),
),
SpeedDialChild(
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child: Icon(Icons.person_add),
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backgroundColor: Colors.green,
label: 'New private chat',
labelStyle: TextStyle(fontSize: 18.0),
onTap: () => showDialog(
context: context,
builder: (BuildContext innerContext) => NewPrivateChatDialog()),
),
],
),
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body: FutureBuilder<bool>(
future: waitForFirstSync(context),
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builder: (BuildContext context, snapshot) {
if (snapshot.hasData) {
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List<Room> rooms = List<Room>.from(Matrix.of(context).client.rooms);
rooms.removeWhere((Room room) =>
searchMode &&
!room.displayname
.toLowerCase()
.contains(searchController.text.toLowerCase() ?? ""));
if (rooms.isEmpty) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Icon(
searchMode ? Icons.search : Icons.add,
size: 80,
color: Colors.grey,
),
Text(searchMode
? "No rooms found..."
: "Start your first chat :-)"),
],
),
);
}
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return ListView.separated(
separatorBuilder: (BuildContext context, int i) =>
Divider(indent: 70, height: 1),
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itemCount: rooms.length,
itemBuilder: (BuildContext context, int i) => ChatListItem(
rooms[i],
activeChat: widget.activeChat == rooms[i].id,
),
);
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} else {
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return Center(
child: CircularProgressIndicator(),
);
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}
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},
),
);
}
}