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Multiple changes:

Browse Source 
- Split up UI into several files
- Handle connection state better
- Add images
- Granular rebuilding of state dependent widgets
- Fix usage of alert dialogs
- Add some basic theming
- Add dialog for adding multiple links at once
This commit is contained in:
Oystein Kristoffer Tveit 2024-12-18 20:12:14 +01:00
parent 540b504c2e
commit 6b82280c14
Signed by: oysteikt
GPG Key ID: 9F2F7D8250F35146
15 changed files with 719 additions and 525 deletions
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8
lib/api/commands.dart
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@ -1,16 +1,16 @@
import 'dart:convert';
sealed class ConnectionEvent {}
sealed class PlayerConnectionEvent {}
class Connect extends ConnectionEvent {
class Connect extends PlayerConnectionEvent {
final String uri;
Connect(this.uri);
}
class Disconnect extends ConnectionEvent {}
class Disconnect extends PlayerConnectionEvent {}
class Command extends ConnectionEvent {
class Command extends PlayerConnectionEvent {
final String type;
final Map<String, dynamic> value;

3
lib/api/events.dart
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@ -1,7 +1,6 @@
// TODO: handle typing and deserialization of events
import 'package:flutter/foundation.dart';
import '../state/player_state.dart';
import 'package:gergle/state/player_state.dart';
// NOTE: see DEFAULT_PROPERTY_SUBSCRIPTIONS in the websocket API source for greg-ng.

15
lib/main.dart
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@ -1,9 +1,9 @@
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'player_ui/main.dart';
import 'state/connection_state_bloc.dart';
import 'state/player_state_bloc.dart';
import 'player_ui.dart';
void main() => runApp(const MyApp());
@ -18,13 +18,22 @@ class MyApp extends StatelessWidget {
return MaterialApp(
title: 'Gergle',
theme: ThemeData(
useMaterial3: true,
// primaryColor: const Color(0x002244FF),
colorScheme: ColorScheme.fromSeed(
seedColor: Colors.lightBlue,
brightness: Brightness.dark,
),
),
home: MultiBlocProvider(
providers: [
BlocProvider(create: (_) => connectionStateBloc),
BlocProvider(create: (_) => playerStateBloc),
],
child: PlayerUi(),
child: const PlayerUi(),
),
);
}
}
}

414
lib/player_ui.dart
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@ -1,414 +0,0 @@
import 'dart:math' show max;
import 'dart:developer' show log;
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:gergle/api/commands.dart';
import 'package:gergle/api/events.dart';
import 'state/connection_state_bloc.dart';
import 'state/player_state_bloc.dart';
import 'state/player_state.dart';
class PlayerUi extends StatelessWidget {
PlayerUi({
super.key,
});
final TextEditingController _textController = TextEditingController();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: _buildAppBar(context),
body: Padding(
padding: const EdgeInsets.all(20),
child: BlocBuilder<PlayerStateBloc, PlayerState?>(
builder: (context, state) {
if (state == null) {
return const Center(
child: CircularProgressIndicator(),
);
}
final playerState = state;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: ReorderableListView.builder(
scrollDirection: Axis.vertical,
itemBuilder: (context, i) =>
_buildPlaylistTile(context, playerState, i),
itemCount: playerState.playlist.length,
onReorder: (from, to) {
BlocProvider.of<ConnectionStateBloc>(context).add(
Command.playlistMove(from, to),
);
if (from < to) {
to -= 1;
}
final item = playerState.playlist.removeAt(from);
playerState.playlist.insert(to, item);
BlocProvider.of<PlayerStateBloc>(context).add(
PlaylistChange(playerState.playlist, local: true));
},
),
),
_buildInputBar(context, playerState),
],
);
},
),
),
bottomNavigationBar: BlocBuilder<PlayerStateBloc, PlayerState?>(
builder: (context, state) {
if (state == null) {
return const SizedBox.shrink();
}
return _buildBottomBar(context, state);
},
),
);
}
AppBar _buildAppBar(BuildContext context) {
return AppBar(
title: const Text('Gergle'),
backgroundColor: Theme.of(context).primaryColor,
actions: [
DropdownMenu(
leadingIcon: const Icon(Icons.storage),
dropdownMenuEntries: const <DropdownMenuEntry<String?>>[
DropdownMenuEntry(
label: 'Georg',
value: 'wss://georg.pvv.ntnu.no/ws',
),
DropdownMenuEntry(
label: 'Brzeczyszczykiewicz',
value: 'wss://brzeczyszczykiewicz.pvv.ntnu.no/ws',
),
if (kDebugMode) ...[
DropdownMenuEntry(
label: 'Local 8009',
value: 'ws://localhost:8009/ws',
),
],
DropdownMenuEntry(
value: null,
label: 'Custom...',
),
],
onSelected: (value) async {
final connectionStateBloc =
BlocProvider.of<ConnectionStateBloc>(context);
value ??= await _askForServerUriMenu(context);
if (value == null) {
return;
}
connectionStateBloc.add(Connect(value));
},
),
IconButton(
icon: const Icon(Icons.settings),
onPressed: () {
throw UnimplementedError();
},
),
if (kDebugMode) ...[
const SizedBox(width: 50),
],
],
);
}
Future<String?> _askForServerUriMenu(BuildContext context) async {
final textController = TextEditingController();
return await Navigator.of(context).push(
MaterialPageRoute(
builder: (context) {
return AlertDialog(
title: const Text('Enter server URI'),
content: TextField(
decoration: const InputDecoration(
labelText: 'Server URI',
),
controller: textController,
onSubmitted: (value) {
Navigator.of(context).pop(value);
},
),
actions: [
TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: const Text('Cancel'),
),
TextButton(
onPressed: () {
final value = textController.text;
textController.dispose();
Navigator.of(context).pop(value);
},
child: const Text('Connect'),
),
],
);
},
),
);
}
Widget _buildInputBar(BuildContext context, PlayerState playerState) {
return Row(
children: [
Expanded(
child: TextField(
controller: _textController,
decoration: InputDecoration(
labelText: 'Add to playlist',
filled: true,
fillColor: const Color.fromARGB(10, 0, 0, 0),
border: OutlineInputBorder(
borderSide:
BorderSide(color: Theme.of(context).primaryColor, width: 2),
borderRadius: BorderRadius.circular(10),
),
),
onSubmitted: (value) {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.load(value));
_textController.clear();
},
),
),
IconButton(
icon: const Icon(Icons.send),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.load(_textController.text));
_textController.clear();
},
),
IconButton(
icon: const Icon(Icons.playlist_add),
onPressed: () {
// TODO: popup menu for adding multiple links
throw UnimplementedError();
},
),
],
);
}
ListTile _buildPlaylistTile(
BuildContext context,
PlayerState playerState,
int i,
) {
final item = playerState.playlist[i];
return ListTile(
key: ValueKey(item.id),
title: Text(item.title ?? item.filename),
subtitle: Text(item.filename),
selected: item.current,
leading: Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(
"${i + 1}.",
style: Theme.of(context).textTheme.titleLarge,
),
IconButton(
icon: playerState.isPlaying && item.current
? const Icon(Icons.pause)
: const Icon(Icons.play_arrow),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistGoto(i));
},
),
],
),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
icon: const Icon(Icons.copy),
onPressed: () =>
Clipboard.setData(ClipboardData(text: item.filename)),
),
IconButton(
icon: const Icon(Icons.delete_forever),
color: Colors.redAccent,
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistRemove(i));
},
),
],
),
);
}
static String formatTime(Duration duration) {
final hours = duration.inHours;
final minutes = duration.inMinutes.remainder(60).toString().padLeft(2, '0');
final seconds = duration.inSeconds.remainder(60).toString().padLeft(2, '0');
if (hours > 0) {
return '$hours:$minutes:$seconds';
} else {
return '$minutes:$seconds';
}
}
Widget _buildBottomBar(BuildContext context, PlayerState playerState) {
// NOTE: slider throws if the value is over 100, so 99.999 is used to avoid
// hitting the limit with floating point errors.
double cachedPercent = playerState.cachedTimestamp != null
? ((playerState.cachedTimestamp! /
max(playerState.duration.inMilliseconds, 0.00000000000001)) *
1000 *
99.999)
: 0.0;
if (cachedPercent > 100) {
cachedPercent = 0;
}
return BottomAppBar(
child: Row(
children: [
IconButton(
icon: const Icon(Icons.skip_previous),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistPrevious());
},
),
IconButton(
icon: playerState.isPlaying
? const Icon(Icons.pause)
: const Icon(Icons.play_arrow),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.togglePlayback());
},
),
IconButton(
icon: const Icon(Icons.skip_next),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistNext());
},
),
Expanded(
child: Flex(
direction: Axis.horizontal,
children: [
Text(
formatTime(
Duration(
milliseconds: playerState.currentPercentPosition != null
? (playerState.currentPercentPosition! *
playerState.duration.inMilliseconds *
0.01)
.round()
: 0,
),
),
),
// Text(((playerState.currentPercentPosition ?? 0.0) *
// 0.01 *
// playerState.duration)
// .toString()),
Expanded(
flex: 5,
child: Slider(
value: playerState.currentPercentPosition ?? 0,
max: 100.0,
secondaryTrackValue: cachedPercent,
onChanged: (value) {
log('Setting time to $value');
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.time(value));
},
),
),
Text(formatTime(playerState.duration)),
// TODO: set minimum width for this slider
Expanded(
flex: 1,
child: Slider(
value: playerState.volume,
max: 130.0,
secondaryTrackValue: 100.0,
onChanged: (value) {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.volume(value));
},
),
),
Text('${playerState.volume.round()}%'),
],
),
),
// IconButton(
// icon: const Icon(Icons.subtitles),
// onPressed: () {
// throw UnimplementedError();
// },
// ),
PopupMenuButton(
icon: const Icon(Icons.subtitles),
enabled: playerState.subtitleTracks.isNotEmpty,
itemBuilder: (context) {
return playerState.subtitleTracks
.map((track) => PopupMenuItem(
value: track.id,
child: Text(track.title),
))
.toList();
},
onSelected: (value) {
// TODO: add command for changing subtitle track
throw UnimplementedError();
},
),
IconButton(
icon: const Icon(Icons.repeat),
isSelected: playerState.isLooping,
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.setLooping(!playerState.isLooping));
},
),
IconButton(
icon: const Icon(Icons.shuffle),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.shuffle());
},
),
IconButton(
icon: const Icon(Icons.delete_forever),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistClear());
},
),
],
),
);
}
}

108
lib/player_ui/app_bar.dart Normal file
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@ -0,0 +1,108 @@
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:gergle/api/commands.dart';
import 'package:gergle/player_ui/main.dart';
import 'package:gergle/state/connection_state_bloc.dart';
class PlayerUIAppBar{
static AppBar appbar(BuildContext context) {
return AppBar(
title: const Text('Gergle'),
backgroundColor: Theme.of(context).primaryColor,
actions: [
DropdownMenu(
leadingIcon: const Icon(Icons.storage),
dropdownMenuEntries: const <DropdownMenuEntry<String?>>[
DropdownMenuEntry(
label: 'Georg',
value: 'wss://georg.pvv.ntnu.no/ws',
),
DropdownMenuEntry(
label: 'Brzeczyszczykiewicz',
value: 'wss://brzeczyszczykiewicz.pvv.ntnu.no/ws',
),
if (kDebugMode) ...[
DropdownMenuEntry(
label: 'Local 8009',
value: 'ws://localhost:8009/ws',
),
],
DropdownMenuEntry(
value: null,
label: 'Custom...',
),
],
onSelected: (value) async {
final connectionStateBloc =
BlocProvider.of<ConnectionStateBloc>(context);
value ??= await _askForServerUriMenu(context);
if (value == null) {
// TODO: restore previous selection.
return;
}
connectionStateBloc.add(Connect(value));
},
),
playerBlocBuilder(buildProps: (p) => [p.isPausedForCache], builder: (context, state) {
// TODO: why is the server not sending paused-for-cache events?
if (state.isPausedForCache) {
return const CircularProgressIndicator();
} else {
return const SizedBox.shrink();
}
}),
IconButton(
icon: const Icon(Icons.settings),
onPressed: () {
throw UnimplementedError();
},
),
if (kDebugMode) ...[
const SizedBox(width: 50),
],
],
);
}
static Future<String?> _askForServerUriMenu(BuildContext context) async {
final textController = TextEditingController();
return await showDialog(
context: context,
builder: (context) {
return AlertDialog(
title: const Text('Enter server URI'),
content: TextField(
decoration: const InputDecoration(
labelText: 'Server URI',
),
controller: textController,
onSubmitted: (value) {
Navigator.of(context).pop(value);
},
),
actions: [
TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: const Text('Cancel'),
),
TextButton(
onPressed: () {
final value = textController.text;
textController.dispose();
Navigator.of(context).pop(value);
},
child: const Text('Connect'),
),
],
);
},
);
}
}

186
lib/player_ui/body.dart Normal file
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@ -0,0 +1,186 @@
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:gergle/api/commands.dart';
import 'package:gergle/api/events.dart';
import 'package:gergle/player_ui/main.dart';
import 'package:gergle/state/connection_state_bloc.dart';
import 'package:gergle/state/player_state.dart';
import 'package:gergle/state/player_state_bloc.dart';
class PlayerUIBody extends StatelessWidget {
PlayerUIBody({super.key});
final TextEditingController _textController = TextEditingController();
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: playerBlocBuilder(
buildProps: (p) => [p.playlist, p.isPlaying],
builder: (context, playerState) => ReorderableListView.builder(
scrollDirection: Axis.vertical,
itemBuilder: (context, i) =>
_buildPlaylistTile(context, playerState, i),
itemCount: playerState.playlist.length,
onReorder: (from, to) {
BlocProvider.of<ConnectionStateBloc>(context).add(
Command.playlistMove(from, to),
);
if (from < to) {
to -= 1;
}
final item = playerState.playlist.removeAt(from);
playerState.playlist.insert(to, item);
BlocProvider.of<PlayerStateBloc>(context)
.add(PlaylistChange(playerState.playlist, local: true));
},
),
),
),
SizedBox.fromSize(size: const Size.fromHeight(20)),
_buildInputBar(context),
],
);
}
ListTile _buildPlaylistTile(
BuildContext context,
PlayerState playerState,
int i,
) {
final item = playerState.playlist[i];
return ListTile(
key: ValueKey(item.id),
title: Text(item.title ?? item.filename),
subtitle: Text(item.filename),
selected: item.current,
leading: Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(
"${i + 1}.",
style: Theme.of(context).textTheme.titleLarge,
),
IconButton(
icon: playerState.isPlaying && item.current
? const Icon(Icons.pause)
: const Icon(Icons.play_arrow),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistGoto(i));
},
),
],
),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
icon: const Icon(Icons.copy),
onPressed: () =>
Clipboard.setData(ClipboardData(text: item.filename)),
),
IconButton(
icon: const Icon(Icons.delete_forever),
color: Colors.redAccent,
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistRemove(i));
},
),
],
),
);
}
Widget _buildInputBar(BuildContext context) {
return Row(
children: [
Expanded(
child: TextField(
controller: _textController,
decoration: InputDecoration(
labelText: 'Add to playlist',
filled: true,
fillColor: const Color.fromARGB(10, 0, 0, 0),
border: OutlineInputBorder(
borderSide:
BorderSide(color: Theme.of(context).primaryColor, width: 2),
borderRadius: BorderRadius.circular(10),
),
),
onSubmitted: (value) {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.load(value));
_textController.clear();
},
),
),
SizedBox.fromSize(size: const Size(10, 0)),
IconButton(
icon: const Icon(Icons.send),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.load(_textController.text));
_textController.clear();
},
),
IconButton(
icon: const Icon(Icons.playlist_add),
onPressed: () async {
final blocProvider = BlocProvider.of<ConnectionStateBloc>(context);
final links = await _showAddManyLinksDialog(context);
if (links == null) {
return;
}
for (final link in links.split('\n')) {
blocProvider.add(Command.load(link));
}
},
),
],
);
}
Future<String?> _showAddManyLinksDialog(BuildContext context) async {
final textController = TextEditingController();
return await showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text('Add many links'),
content: TextField(
controller: textController,
decoration: const InputDecoration(
labelText: 'Links',
hintText: 'One link per line',
),
maxLines: 10,
),
actions: [
TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: const Text('Cancel'),
),
TextButton(
onPressed: () {
Navigator.of(context).pop(textController.text);
},
child: const Text('Add'),
),
],
),
);
}
}

181
lib/player_ui/bottom_bar.dart Normal file
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@ -0,0 +1,181 @@
import 'dart:math' show max;
import 'dart:developer' show log;
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:gergle/api/commands.dart';
import 'package:gergle/state/connection_state_bloc.dart';
import 'package:gergle/player_ui/main.dart';
class PlayerUIBottomBar extends StatelessWidget {
const PlayerUIBottomBar({super.key});
static String formatTime(Duration duration) {
final hours = duration.inHours;
final minutes = duration.inMinutes.remainder(60).toString().padLeft(2, '0');
final seconds = duration.inSeconds.remainder(60).toString().padLeft(2, '0');
if (hours > 0) {
return '$hours:$minutes:$seconds';
} else {
return '$minutes:$seconds';
}
}
@override
Widget build(BuildContext context) {
return BottomAppBar(
child: Row(
children: [
IconButton(
icon: const Icon(Icons.skip_previous),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistPrevious());
},
),
playerBlocBuilder(
buildProps: (p) => [p.isPlaying],
builder: (context, playerState) {
return IconButton(
icon: (playerState.isPlaying)
? const Icon(Icons.pause)
: const Icon(Icons.play_arrow),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.togglePlayback());
},
);
},
),
IconButton(
icon: const Icon(Icons.skip_next),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistNext());
},
),
Expanded(
child: playerBlocBuilder(
buildProps: (p) => [
p.cachedTimestamp,
p.duration,
p.currentPercentPosition,
p.volume,
],
builder: (context, playerState) {
// NOTE: slider throws if the value is over 100, so 99.999 is used to avoid
// hitting the limit with floating point errors.
double cachedPercent = playerState.cachedTimestamp != null
? ((playerState.cachedTimestamp! /
max(playerState.duration.inMilliseconds,
0.00000000000001)) *
1000 *
99.999)
: 0.0;
if (cachedPercent > 100) {
cachedPercent = 0;
}
return Flex(
direction: Axis.horizontal,
children: [
Text(
formatTime(
Duration(
milliseconds:
playerState.currentPercentPosition != null
? (playerState.currentPercentPosition! *
playerState.duration.inMilliseconds *
0.01)
.round()
: 0,
),
),
),
// Text(((playerState.currentPercentPosition ?? 0.0) *
// 0.01 *
// playerState.duration)
// .toString()),
Expanded(
flex: 5,
child: Slider(
value: playerState.currentPercentPosition ?? 0,
max: 100.0,
secondaryTrackValue: cachedPercent,
onChanged: (value) {
log('Setting time to $value');
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.time(value));
},
),
),
Text(formatTime(playerState.duration)),
// TODO: set minimum width for this slider
Expanded(
flex: 1,
child: Slider(
value: playerState.volume,
max: 130.0,
secondaryTrackValue: 100.0,
onChanged: (value) {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.volume(value));
},
),
),
Text('${playerState.volume.round()}%'),
],
);
},
),
),
playerBlocBuilder(
buildProps: (p) => [p.subtitleTracks],
builder: (context, playerState) => PopupMenuButton(
icon: const Icon(Icons.subtitles),
enabled: playerState.subtitleTracks.isNotEmpty,
itemBuilder: (context) {
return playerState.subtitleTracks
.map((track) => PopupMenuItem(
value: track.id,
child: Text(track.title),
))
.toList();
},
onSelected: (value) {
// TODO: add command for changing subtitle track
throw UnimplementedError();
},
),
),
playerBlocBuilder(
buildProps: (p) => [p.isLooping],
builder: (context, playerState) => IconButton(
icon: const Icon(Icons.repeat),
isSelected: playerState.isLooping,
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.setLooping(!playerState.isLooping));
},
),
),
IconButton(
icon: const Icon(Icons.shuffle),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.shuffle());
},
),
IconButton(
icon: const Icon(Icons.delete_forever),
onPressed: () {
BlocProvider.of<ConnectionStateBloc>(context)
.add(Command.playlistClear());
},
),
],
),
);
}
}

145
lib/player_ui/main.dart Normal file
View File

@ -0,0 +1,145 @@
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:gergle/api/commands.dart';
import 'package:gergle/player_ui/app_bar.dart';
import 'package:gergle/player_ui/body.dart';
import 'package:gergle/player_ui/bottom_bar.dart';
import 'package:gergle/state/connection_state_bloc.dart';
import 'package:gergle/state/player_state.dart';
import 'package:gergle/state/player_state_bloc.dart';
Widget playerBlocBuilder({
required List<dynamic> Function(PlayerState) buildProps,
required Widget Function(BuildContext, PlayerState) builder,
}) {
return BlocBuilder<PlayerStateBloc, PlayerState?>(
buildWhen: (previous, current) =>
(previous == null) ||
(current != null && (buildProps(previous) != buildProps(current))),
builder: (context, playerState) {
if (playerState == null) {
return const Placeholder();
}
return builder(context, playerState);
},
);
}
class PlayerUi extends StatelessWidget {
const PlayerUi({super.key});
@override
Widget build(BuildContext context) {
return BlocBuilder<ConnectionStateBloc, PlayerConnectionState>(
builder: (context, state) {
if (state is Disconnected) {
return Scaffold(
appBar: PlayerUIAppBar.appbar(context),
body: const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('Disconnected'),
// TODO: add more here
],
),
),
);
}
if (state is Connecting) {
return Scaffold(
appBar: PlayerUIAppBar.appbar(context),
body: const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
CircularProgressIndicator(),
SizedBox(height: 20),
Text('Connecting...'),
],
),
),
);
}
if (state is ConnectionError) {
final pictureList = [
'assets/images/cry1.gif',
'assets/images/cry2.gif',
];
final pictureUri = pictureList[Random().nextInt(pictureList.length)];
return Scaffold(
appBar: PlayerUIAppBar.appbar(context),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('Connection error: ${state.message}'),
const SizedBox(height: 20),
Image.asset(
pictureUri,
scale: 0.7,
),
const SizedBox(height: 20),
ElevatedButton(
onPressed: () =>
BlocProvider.of<ConnectionStateBloc>(context)
.add(Connect(state.uri)),
child: const Text('Reconnect'),
),
],
),
),
);
}
return Scaffold(
appBar: PlayerUIAppBar.appbar(context),
body: Stack(
children: [
Padding(
padding: const EdgeInsets.all(20),
child: Flex(direction: Axis.horizontal, children: [
const Expanded(flex: 1, child: SizedBox.expand()),
Expanded(
flex: 3,
child: PlayerUIBody(),
),
const Expanded(flex: 1, child: SizedBox.expand()),
]),
),
Flex(
direction: Axis.horizontal,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Expanded(
flex: 1,
child: Image.asset(
'assets/images/dance2.gif',
alignment: Alignment.bottomCenter,
scale: 1.5,
),
),
const Expanded(flex: 3, child: SizedBox.expand()),
Expanded(
flex: 1,
child: Image.asset(
'assets/images/dance1.webp',
scale: 0.5,
alignment: Alignment.bottomCenter,
),
)
],
),
],
),
bottomNavigationBar: const PlayerUIBottomBar(),
);
},
);
}
}

105
lib/state/connection_state_bloc.dart
View File

@ -1,40 +1,83 @@
import 'dart:convert';
import 'dart:developer' show log;
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:web_socket_channel/web_socket_channel.dart';
import '../api/commands.dart';
import '../api/events.dart';
import 'player_state_bloc.dart';
import 'package:gergle/api/commands.dart';
import 'package:gergle/api/events.dart';
import 'package:gergle/state/player_state_bloc.dart';
class ConnectionStateBloc extends Bloc<ConnectionEvent, WebSocketChannel?> {
@immutable
sealed class PlayerConnectionState {}
@immutable
class Disconnected extends PlayerConnectionState {}
@immutable
class Connecting extends PlayerConnectionState {
final String uri;
Connecting(this.uri);
}
@immutable
class Connected extends PlayerConnectionState {
final String uri;
final WebSocketChannel channel;
Connected(this.uri, this.channel);
}
@immutable
class ConnectionError extends PlayerConnectionState {
final String message;
final String uri;
ConnectionError(this.message, this.uri);
}
class ConnectionStateBloc extends Bloc<PlayerConnectionEvent, PlayerConnectionState> {
final PlayerStateBloc playerStateBloc;
String? _uri;
WebSocketChannel? _channel;
ConnectionStateBloc(this.playerStateBloc) : super(null) {
on<Connect>((event, emit) {
if (_channel != null && _uri == event.uri) {
log('Already connected to ${event.uri}');
return;
} else if (_channel != null) {
// Clear connection, and reconnect
state?.sink.close();
playerStateBloc.add(const ClearPlayerState());
emit(null);
ConnectionStateBloc(this.playerStateBloc) : super(Disconnected()) {
on<Connect>((event, emit) async {
if (state is Connected) {
if ((state as Connected).uri == event.uri) {
log('Already connected to ${event.uri}');
return;
} else {
// Clear connection, and reconnect
(state as Connected).channel.sink.close();
playerStateBloc.add(const ClearPlayerState());
}
}
_uri = event.uri;
emit(Connecting(event.uri));
_channel = WebSocketChannel.connect(
final channel = WebSocketChannel.connect(
Uri.parse(event.uri),
);
_channel!.stream.listen(
try {
await channel.ready;
} on WebSocketChannelException catch (e) {
late final String message;
if (e.inner is WebSocketException) {
message = (e.inner as WebSocketException).message;
} else {
message = e.message ?? e.toString();
}
log('Error connecting to ${event.uri}: $message');
emit(ConnectionError(message, event.uri));
return;
}
channel.stream.listen(
(event) {
final jsonData = jsonDecode(event as String);
if (jsonData is Map) {
@ -60,33 +103,37 @@ class ConnectionStateBloc extends Bloc<ConnectionEvent, WebSocketChannel?> {
}
}
},
onError: (error) {
onError: (error, stackTrace) {
log('Error: $error');
log('Stack trace: $stackTrace');
},
onDone: () {
add(Disconnect());
log('Connection closed, reconnecting...');
add(Connect(_uri!));
add(Connect(event.uri));
},
);
emit(_channel);
emit(Connected(event.uri, channel));
});
on<Disconnect>((event, emit) {
_uri = null;
state?.sink.close(0, 'Disconnecting');
if (state is! Connected) {
log('Cannot disconnect when not connected');
return;
}
(state as Connected).channel.sink.close();
playerStateBloc.add(const ClearPlayerState());
emit(null);
emit(Disconnected());
});
on<Command>((event, emit) {
if (_channel == null) {
if (state is! Connected) {
log('Cannot send command when not connected');
return;
}
_channel!.sink.add(event.toJsonString());
(state as Connected).channel.sink.add(event.toJsonString());
});
}
}

4
lib/state/player_state_bloc.dart
View File

@ -2,8 +2,8 @@ import 'dart:developer' show log;
import 'package:flutter_bloc/flutter_bloc.dart';
import 'player_state.dart';
import '../api/events.dart';
import 'package:gergle/api/events.dart';
import 'package:gergle/state/player_state.dart';
class PlayerStateBloc extends Bloc<Event, PlayerState?> {
PlayerStateBloc() : super(null) {

75
pubspec.yaml
View File

@ -1,39 +1,14 @@
name: gergle
description: "A new Flutter project."
# The following line prevents the package from being accidentally published to
# pub.dev using `flutter pub publish`. This is preferred for private packages.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
# The following defines the version and build number for your application.
# A version number is three numbers separated by dots, like 1.2.43
# followed by an optional build number separated by a +.
# Both the version and the builder number may be overridden in flutter
# build by specifying --build-name and --build-number, respectively.
# In Android, build-name is used as versionName while build-number used as versionCode.
# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
# In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion.
# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
# In Windows, build-name is used as the major, minor, and patch parts
# of the product and file versions while build-number is used as the build suffix.
description: "A dank music player"
publish_to: 'none'
version: 1.0.0+1
environment:
sdk: ^3.5.4
# Dependencies specify other packages that your package needs in order to work.
# To automatically upgrade your package dependencies to the latest versions
# consider running `flutter pub upgrade --major-versions`. Alternatively,
# dependencies can be manually updated by changing the version numbers below to
# the latest version available on pub.dev. To see which dependencies have newer
# versions available, run `flutter pub outdated`.
dependencies:
flutter:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: ^1.0.8
web_socket_channel: ^3.0.1
flutter_bloc: ^8.1.6
@ -41,52 +16,10 @@ dependencies:
dev_dependencies:
flutter_test:
sdk: flutter
# The "flutter_lints" package below contains a set of recommended lints to
# encourage good coding practices. The lint set provided by the package is
# activated in the `analysis_options.yaml` file located at the root of your
# package. See that file for information about deactivating specific lint
# rules and activating additional ones.
flutter_lints: ^4.0.0
# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec
# The following section is specific to Flutter packages.
flutter:
# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.
uses-material-design: true
# To add assets to your application, add an assets section, like this:
# assets:
# - images/a_dot_burr.jpeg
# - images/a_dot_ham.jpeg
# An image asset can refer to one or more resolution-specific "variants", see
# https://flutter.dev/to/resolution-aware-images
# For details regarding adding assets from package dependencies, see
# https://flutter.dev/to/asset-from-package
# To add custom fonts to your application, add a fonts section here,
# in this "flutter" section. Each entry in this list should have a
# "family" key with the font family name, and a "fonts" key with a
# list giving the asset and other descriptors for the font. For
# example:
# fonts:
# - family: Schyler
# fonts:
# - asset: fonts/Schyler-Regular.ttf
# - asset: fonts/Schyler-Italic.ttf
# style: italic
# - family: Trajan Pro
# fonts:
# - asset: fonts/TrajanPro.ttf
# - asset: fonts/TrajanPro_Bold.ttf
# weight: 700
#
# For details regarding fonts from package dependencies,
# see https://flutter.dev/to/font-from-package
assets:
- assets/images/