Files
mywhatsapp/whatsapp_app/lib/widgets/message_bubble.dart
2026-05-19 23:27:14 +03:00

599 lines
18 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:get/get.dart';
import 'package:audioplayers/audioplayers.dart';
import '../models/message_model.dart';
import '../theme/app_theme.dart';
import '../services/whatsapp_service.dart';
// ─── Full-Screen Image Viewer ─────────────────────────────────────────────
class FullScreenImageViewer extends StatelessWidget {
final Uint8List bytes;
final String heroTag;
const FullScreenImageViewer({
super.key,
required this.bytes,
required this.heroTag,
});
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.black,
appBar: AppBar(
backgroundColor: Colors.black,
iconTheme: const IconThemeData(color: Colors.white),
elevation: 0,
),
body: Center(
child: Hero(
tag: heroTag,
child: InteractiveViewer(
minScale: 0.5,
maxScale: 5.0,
child: Image.memory(bytes, fit: BoxFit.contain),
),
),
),
);
}
}
// ─── Message Bubble ───────────────────────────────────────────────────────
class MessageBubble extends StatelessWidget {
final MessageModel message;
const MessageBubble({super.key, required this.message});
@override
Widget build(BuildContext context) {
final isMe = message.fromMe;
final isDark = AppTheme.isDark(context);
final bg = isMe
? AppTheme.outgoingMsg(context)
: AppTheme.incomingMsg(context);
final radius = isMe
? const BorderRadius.only(
topLeft: Radius.circular(12),
topRight: Radius.circular(4),
bottomLeft: Radius.circular(12),
bottomRight: Radius.circular(12),
)
: const BorderRadius.only(
topLeft: Radius.circular(4),
topRight: Radius.circular(12),
bottomLeft: Radius.circular(12),
bottomRight: Radius.circular(12),
);
// Incoming message shadow/border in light mode
final BoxDecoration decoration = BoxDecoration(
color: bg,
borderRadius: radius,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(isDark ? 0.2 : 0.08),
blurRadius: 2,
offset: const Offset(0, 1),
),
],
);
return Container(
margin: EdgeInsets.only(
top: 2,
bottom: 2,
left: isMe ? 60 : 8,
right: isMe ? 8 : 60,
),
child: Column(
crossAxisAlignment:
isMe ? CrossAxisAlignment.end : CrossAxisAlignment.start,
children: [
// Tail + bubble
Stack(
children: [
// Message bubble
Container(
constraints: BoxConstraints(
maxWidth: MediaQuery.of(context).size.width * 0.78,
),
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
decoration: decoration,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
// Sender name in group chats (incoming only)
if (!isMe && message.author != null) ...[
Text(
message.author!,
style: const TextStyle(
color: AppTheme.primaryDark,
fontSize: 12.5,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 2),
],
// Media
if (message.hasMedia) ...[
InteractiveMediaWidget(message: message),
const SizedBox(height: 4),
],
// Text + time + ACK row
_buildTextTimeRow(context, isMe),
],
),
),
],
),
],
),
);
}
Widget _buildTextTimeRow(BuildContext context, bool isMe) {
// If body is empty (media-only message), just show time+ack
final hasBody = message.body.trim().isNotEmpty;
if (!hasBody && message.hasMedia) {
// Show only time+ack at bottom right of media
return Align(
alignment: Alignment.bottomRight,
child: _timeAckRow(context, isMe),
);
}
return Wrap(
alignment: WrapAlignment.end,
crossAxisAlignment: WrapCrossAlignment.end,
children: [
if (hasBody)
Text(
message.body,
style: TextStyle(
color: AppTheme.textPrimary(context),
fontSize: 15,
),
),
const SizedBox(width: 4),
_timeAckRow(context, isMe),
],
);
}
Widget _timeAckRow(BuildContext context, bool isMe) {
return Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(
_formatTime(message.timestamp),
style: TextStyle(
color: AppTheme.textSecondary(context),
fontSize: 11,
),
),
if (isMe) ...[
const SizedBox(width: 3),
_buildAckIcon(context, message.ack),
],
],
);
}
// ── ACK icon ──────────────────────────────────────────────────────────────
// Real WhatsApp ACK values from whatsapp-web.js:
// -1 = error
// 0 = pending (clock icon)
// 1 = sent (single grey tick ✓)
// 2 = delivered/received (double grey tick ✓✓)
// 3 = read/played (double BLUE tick ✓✓)
Widget _buildAckIcon(BuildContext context, int ack) {
switch (ack) {
case -1:
case 0:
// Pending — clock
return Icon(Icons.access_time_rounded,
size: 14, color: AppTheme.textSecondary(context));
case 1:
// Sent — single grey tick
return Icon(Icons.check_rounded,
size: 16, color: AppTheme.textSecondary(context));
case 2:
// Delivered — double grey tick
return Icon(Icons.done_all_rounded,
size: 16, color: AppTheme.textSecondary(context));
case 3:
// Read — double blue tick
return const Icon(Icons.done_all_rounded,
size: 16, color: AppTheme.blueTick);
default:
return const SizedBox.shrink();
}
}
String _formatTime(int timestamp) {
if (timestamp == 0) return '';
final dt = DateTime.fromMillisecondsSinceEpoch(timestamp * 1000);
return DateFormat('h:mm a').format(dt);
}
}
// ─── Interactive Media Widget ─────────────────────────────────────────────
class InteractiveMediaWidget extends StatefulWidget {
final MessageModel message;
const InteractiveMediaWidget({super.key, required this.message});
@override
State<InteractiveMediaWidget> createState() => _InteractiveMediaWidgetState();
}
class _InteractiveMediaWidgetState extends State<InteractiveMediaWidget> {
final WhatsAppService _svc = Get.find<WhatsAppService>();
bool _isLoading = false;
// Audio player state
final AudioPlayer _player = AudioPlayer();
StreamSubscription? _posSub;
StreamSubscription? _durSub;
StreamSubscription? _stateSub;
bool _isPlaying = false;
double _audioProgress = 0.0;
int _audioDurationSeconds = 1;
int _audioCurrentSeconds = 0;
@override
void initState() {
super.initState();
_posSub = _player.onPositionChanged.listen((p) {
if (mounted) {
setState(() {
_audioCurrentSeconds = p.inSeconds;
if (_audioDurationSeconds > 0) {
_audioProgress = p.inMilliseconds / (_audioDurationSeconds * 1000);
if (_audioProgress > 1.0) _audioProgress = 1.0;
}
});
}
});
_durSub = _player.onDurationChanged.listen((d) {
if (mounted) {
setState(() {
_audioDurationSeconds = d.inSeconds > 0 ? d.inSeconds : 1;
});
}
});
_stateSub = _player.onPlayerStateChanged.listen((s) {
if (mounted) {
setState(() {
_isPlaying = s == PlayerState.playing;
if (s == PlayerState.completed) {
_audioProgress = 0.0;
_audioCurrentSeconds = 0;
_isPlaying = false;
}
});
}
});
}
@override
void dispose() {
_posSub?.cancel();
_durSub?.cancel();
_stateSub?.cancel();
_player.dispose();
super.dispose();
}
void _toggleAudioPlayback(String base64Data) async {
try {
if (_isPlaying) {
await _player.pause();
} else {
final bytes = base64Decode(base64Data);
final safeId =
widget.message.id.replaceAll(RegExp(r'[^a-zA-Z0-9]'), '');
final tempDir = Directory.systemTemp;
final tempFile = File('${tempDir.path}/voice_$safeId.mp3');
if (!await tempFile.exists()) {
await tempFile.writeAsBytes(bytes);
}
await _player.play(DeviceFileSource(tempFile.path));
}
} catch (e) {
print('[AUDIO PLAYBACK ERROR] $e');
Get.snackbar(
'Playback Error',
'Could not play audio message: $e',
snackPosition: SnackPosition.BOTTOM,
backgroundColor: Colors.redAccent.withOpacity(0.8),
colorText: Colors.white,
);
}
}
@override
Widget build(BuildContext context) {
return Obx(() {
final cachedMedia = _svc.mediaCache[widget.message.id];
if (cachedMedia != null) {
return _buildDownloadedMedia(context, cachedMedia);
}
if (_isLoading) {
return Container(
padding: const EdgeInsets.all(16),
width: 140,
alignment: Alignment.center,
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.12),
borderRadius: BorderRadius.circular(8),
),
child: const SizedBox(
width: 24,
height: 24,
child: CircularProgressIndicator(
strokeWidth: 2, color: AppTheme.primary),
),
);
}
// Tap to download placeholder
return GestureDetector(
onTap: _downloadMedia,
child: Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.10),
borderRadius: BorderRadius.circular(8),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: AppTheme.primary.withOpacity(0.15),
shape: BoxShape.circle,
),
child: Icon(_getIcon(),
color: AppTheme.primary, size: 22),
),
const SizedBox(width: 10),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text(
_getLabel(),
style: TextStyle(
color: AppTheme.textPrimary(context),
fontWeight: FontWeight.w500,
fontSize: 13),
),
const SizedBox(height: 2),
Row(
children: [
Icon(Icons.download_rounded,
size: 12,
color: AppTheme.textSecondary(context)),
const SizedBox(width: 3),
Text(
'Tap to download',
style: TextStyle(
color: AppTheme.textSecondary(context),
fontSize: 11),
),
],
),
],
),
],
),
),
);
});
}
Future<void> _downloadMedia() async {
setState(() => _isLoading = true);
await _svc.downloadAndCacheMedia(widget.message.id);
if (mounted) {
setState(() => _isLoading = false);
}
}
Widget _buildDownloadedMedia(BuildContext context, String base64Data) {
final bytes = base64Decode(base64Data);
// ── Image / Sticker ────────────────────────────────────────────────────
if (widget.message.type == "image" || widget.message.type == "sticker") {
final heroTag = 'img_${widget.message.id}';
return GestureDetector(
onTap: () {
Navigator.of(context).push(
PageRouteBuilder(
opaque: false,
barrierColor: Colors.black,
pageBuilder: (_, __, ___) => FullScreenImageViewer(
bytes: bytes,
heroTag: heroTag,
),
transitionsBuilder: (_, anim, __, child) =>
FadeTransition(opacity: anim, child: child),
),
);
},
child: Hero(
tag: heroTag,
child: ClipRRect(
borderRadius: BorderRadius.circular(8),
child: ConstrainedBox(
constraints: const BoxConstraints(maxHeight: 260),
child: Image.memory(
bytes,
fit: BoxFit.cover,
width: double.infinity,
),
),
),
),
);
}
// ── Audio / Voice Note ─────────────────────────────────────────────────
if (widget.message.type == "audio") {
final totalSec = _audioDurationSeconds > 1 ? _audioDurationSeconds : _audioCurrentSeconds;
final durationStr =
'${(totalSec ~/ 60).toString().padLeft(1, '0')}:${(totalSec % 60).toString().padLeft(2, '0')}';
return Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
CircleAvatar(
radius: 18,
backgroundColor: AppTheme.primary,
child: IconButton(
padding: EdgeInsets.zero,
icon: Icon(
_isPlaying
? Icons.pause_rounded
: Icons.play_arrow_rounded,
color: Colors.white,
size: 20,
),
onPressed: () => _toggleAudioPlayback(base64Data),
),
),
const SizedBox(width: 8),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SliderTheme(
data: SliderTheme.of(context).copyWith(
trackHeight: 2,
thumbShape:
const RoundSliderThumbShape(enabledThumbRadius: 5),
overlayShape:
const RoundSliderOverlayShape(overlayRadius: 10),
activeTrackColor: AppTheme.primary,
inactiveTrackColor:
AppTheme.textSecondary(context).withOpacity(0.3),
thumbColor: AppTheme.primary,
overlayColor: AppTheme.primary.withOpacity(0.2),
),
child: Slider(
value: _audioProgress.clamp(0.0, 1.0),
onChanged: (v) async {
final targetMs =
(v * _audioDurationSeconds * 1000).toInt();
await _player
.seek(Duration(milliseconds: targetMs));
},
),
),
Padding(
padding: const EdgeInsets.only(left: 4),
child: Text(
durationStr,
style: TextStyle(
color: AppTheme.textSecondary(context),
fontSize: 11,
fontFeatures: const [FontFeature.tabularFigures()],
),
),
),
],
),
),
],
),
);
}
// ── Default: Document / File ───────────────────────────────────────────
return Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.10),
borderRadius: BorderRadius.circular(8),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: AppTheme.primary.withOpacity(0.15),
shape: BoxShape.circle,
),
child: const Icon(Icons.insert_drive_file_rounded,
color: AppTheme.primary, size: 22),
),
const SizedBox(width: 10),
Text(
_getLabel(),
style: TextStyle(
color: AppTheme.textPrimary(context),
fontWeight: FontWeight.w500,
fontSize: 13),
),
],
),
);
}
IconData _getIcon() {
switch (widget.message.type) {
case "image":
return Icons.photo_camera_rounded;
case "video":
return Icons.videocam_rounded;
case "audio":
return Icons.mic_rounded;
case "sticker":
return Icons.emoji_emotions_rounded;
default:
return Icons.insert_drive_file_rounded;
}
}
String _getLabel() {
switch (widget.message.type) {
case "image":
return "Photo";
case "video":
return "Video";
case "audio":
return "Voice note";
case "sticker":
return "Sticker";
default:
return "File";
}
}
}