fluffychat/lib/views/chat.dart

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import 'dart:io';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:file_picker/file_picker.dart';
import 'package:fluffychat/components/adaptive_page_layout.dart';
import 'package:fluffychat/components/chat_settings_popup_menu.dart';
import 'package:fluffychat/components/list_items/message.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:toast/toast.dart';
import 'chat_list.dart';
class Chat extends StatefulWidget {
final String id;
const Chat(this.id, {Key key}) : super(key: key);
@override
_ChatState createState() => _ChatState();
}
class _ChatState extends State<Chat> {
Room room;
Timeline timeline;
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final ScrollController _scrollController = ScrollController();
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@override
void initState() {
_scrollController.addListener(() async {
if (_scrollController.position.pixels ==
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_scrollController.position.maxScrollExtent &&
timeline.events.isNotEmpty &&
timeline.events[timeline.events.length - 1].type !=
EventTypes.RoomCreate) {
await timeline.requestHistory(historyCount: 100);
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}
});
super.initState();
}
Future<bool> getTimeline() async {
timeline ??= await room.getTimeline(onUpdate: () {
setState(() {});
});
return true;
}
@override
void dispose() {
timeline?.sub?.cancel();
super.dispose();
}
final TextEditingController sendController = TextEditingController();
void send() {
if (sendController.text.isEmpty) return;
room.sendTextEvent(sendController.text);
sendController.text = "";
}
void sendFileAction(BuildContext context) async {
if (kIsWeb) {
return Toast.show("Not supported in web", context);
}
File file = await FilePicker.getFile();
if (file == null) return;
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await Matrix.of(context).tryRequestWithLoadingDialog(
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room.sendFileEvent(
MatrixFile(bytes: await file.readAsBytes(), path: file.path),
),
);
}
void sendImageAction(BuildContext context) async {
if (kIsWeb) {
return Toast.show("Not supported in web", context);
}
File file = await ImagePicker.pickImage(
source: ImageSource.gallery,
imageQuality: 50,
maxWidth: 1600,
maxHeight: 1600);
if (file == null) return;
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await Matrix.of(context).tryRequestWithLoadingDialog(
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room.sendImageEvent(
MatrixFile(bytes: await file.readAsBytes(), path: file.path),
),
);
}
void openCameraAction(BuildContext context) async {
if (kIsWeb) {
return Toast.show("Not supported in web", context);
}
File file = await ImagePicker.pickImage(
source: ImageSource.camera,
imageQuality: 50,
maxWidth: 1600,
maxHeight: 1600);
if (file == null) return;
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await Matrix.of(context).tryRequestWithLoadingDialog(
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room.sendImageEvent(
MatrixFile(bytes: await file.readAsBytes(), path: file.path),
),
);
}
@override
Widget build(BuildContext context) {
Client client = Matrix.of(context).client;
room ??= client.getRoomById(widget.id);
if (room.membership == Membership.invite) room.join();
return AdaptivePageLayout(
primaryPage: FocusPage.SECOND,
firstScaffold: ChatList(
activeChat: widget.id,
),
secondScaffold: Scaffold(
appBar: AppBar(
title: Text(room.displayname),
actions: <Widget>[ChatSettingsPopupMenu(room, !room.isDirectChat)],
),
body: SafeArea(
child: Column(
children: <Widget>[
Expanded(
child: FutureBuilder<bool>(
future: getTimeline(),
builder: (BuildContext context, snapshot) {
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if (!snapshot.hasData) {
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return Center(
child: CircularProgressIndicator(),
);
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}
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if (room.notificationCount != null &&
room.notificationCount > 0 &&
timeline != null &&
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timeline.events.isNotEmpty) {
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room.sendReadReceipt(timeline.events[0].eventId);
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}
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return ListView.builder(
reverse: true,
itemCount: timeline.events.length,
controller: _scrollController,
itemBuilder: (BuildContext context, int i) =>
Message(timeline.events[i]),
);
},
),
),
Container(
decoration: BoxDecoration(
color: Colors.white,
boxShadow: [
BoxShadow(
color: Colors.grey.withOpacity(0.2),
spreadRadius: 1,
blurRadius: 2,
offset: Offset(0, -1), // changes position of shadow
),
],
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
kIsWeb
? Container()
: PopupMenuButton<String>(
icon: Icon(Icons.add),
onSelected: (String choice) async {
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if (choice == "file") {
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sendFileAction(context);
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} else if (choice == "image") {
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sendImageAction(context);
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}
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if (choice == "camera") openCameraAction(context);
},
itemBuilder: (BuildContext context) =>
<PopupMenuEntry<String>>[
const PopupMenuItem<String>(
value: "file",
child: ListTile(
leading: Icon(Icons.attach_file),
title: Text('Send file'),
contentPadding: EdgeInsets.all(0),
),
),
const PopupMenuItem<String>(
value: "image",
child: ListTile(
leading: Icon(Icons.image),
title: Text('Send image'),
contentPadding: EdgeInsets.all(0),
),
),
const PopupMenuItem<String>(
value: "camera",
child: ListTile(
leading: Icon(Icons.camera),
title: Text('Open camera'),
contentPadding: EdgeInsets.all(0),
),
),
],
),
SizedBox(width: 8),
Expanded(
child: TextField(
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maxLines: kIsWeb ? 1 : 8,
keyboardType:
kIsWeb ? TextInputType.text : TextInputType.multiline,
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onSubmitted: (t) => send(),
controller: sendController,
decoration: InputDecoration(
labelText: "Write a message...",
hintText: "You're message",
border: InputBorder.none,
),
)),
SizedBox(width: 8),
IconButton(
icon: Icon(Icons.send),
onPressed: () => send(),
),
],
),
),
],
),
),
),
);
}
}