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feat: Fancy chat list loading animation

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This commit is contained in:
Krille Fear 2021-11-23 18:07:11 +01:00
parent 1ddfcdef5e
commit bdc7a606bc
1 changed files with 103 additions and 14 deletions
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117
lib/pages/chat_list/chat_list_view.dart
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@ -1,3 +1,6 @@
import 'dart:async';
import 'dart:math';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
@ -241,7 +244,8 @@ class _ChatListViewBody extends StatelessWidget {
builder: (context, snapshot) {
return Builder(
builder: (context) {
if (controller.waitForFirstSync) {
if (controller.waitForFirstSync &&
Matrix.of(context).client.prevBatch != null) {
final rooms = Matrix.of(context)
.client
.rooms
@ -286,19 +290,10 @@ class _ChatListViewBody extends StatelessWidget {
},
);
} else {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Image.asset(
'assets/private_chat_wallpaper.png',
width: 100,
),
Text(
L10n.of(context).yourChatsAreBeingSynced,
textAlign: TextAlign.center,
),
],
return ListView(
children: List.filled(
8,
const _DummyChat(),
),
);
}
@ -307,6 +302,100 @@ class _ChatListViewBody extends StatelessWidget {
});
}
class _DummyChat extends StatefulWidget {
const _DummyChat({Key key}) : super(key: key);
@override
State<_DummyChat> createState() => _DummyChatState();
}
class _DummyChatState extends State<_DummyChat> {
double opacity = Random().nextDouble();
Timer _timer;
static const duration = Duration(seconds: 1);
void _setRandomOpacity(_) {
if (mounted) {
setState(() => opacity = Random().nextDouble());
}
}
@override
void initState() {
WidgetsBinding.instance.addPostFrameCallback(_setRandomOpacity);
_timer ??= Timer.periodic(duration, _setRandomOpacity);
super.initState();
}
@override
void dispose() {
_timer?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
final titleColor =
Theme.of(context).textTheme.bodyText1.color.withAlpha(100);
final subtitleColor =
Theme.of(context).textTheme.bodyText1.color.withAlpha(50);
return AnimatedOpacity(
opacity: opacity,
duration: duration,
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),
),
),
);
}
}
enum ChatListPopupMenuItemActions {
createGroup,
createSpace,