You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
fluffychat/lib/pages/chat/send_file_dialog.dart

357 lines
12 KiB
Dart

import 'dart:io';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:cross_file/cross_file.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:matrix/matrix.dart';
import 'package:mime/mime.dart';
import 'package:fluffychat/config/app_config.dart';
import 'package:fluffychat/utils/localized_exception_extension.dart';
import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_file_extension.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/utils/size_string.dart';
import 'package:fluffychat/widgets/adaptive_dialog_action.dart';
import '../../utils/resize_video.dart';
class SendFileDialog extends StatefulWidget {
final Room room;
final List<XFile> files;
final BuildContext outerContext;
const SendFileDialog({
required this.room,
required this.files,
required this.outerContext,
super.key,
});
@override
SendFileDialogState createState() => SendFileDialogState();
}
class SendFileDialogState extends State<SendFileDialog> {
bool compress = true;
/// Images smaller than 20kb don't need compression.
static const int minSizeToCompress = 20 * 1024;
Future<void> _send() async {
final scaffoldMessenger = ScaffoldMessenger.of(widget.outerContext);
final l10n = L10n.of(context);
try {
scaffoldMessenger.showLoadingSnackBar(l10n.prepareSendingAttachment);
Navigator.of(context, rootNavigator: false).pop();
final clientConfig = await widget.room.client.getConfig();
final maxUploadSize = clientConfig.mUploadSize ?? 100 * 1024 * 1024;
for (final xfile in widget.files) {
final MatrixFile file;
MatrixImageFile? thumbnail;
final length = await xfile.length();
final mimeType = xfile.mimeType ?? lookupMimeType(xfile.path);
// If file is a video, shrink it!
if (PlatformInfos.isMobile &&
mimeType != null &&
mimeType.startsWith('video') &&
length > minSizeToCompress &&
compress) {
scaffoldMessenger.showLoadingSnackBar(l10n.compressVideo);
file = await xfile.resizeVideo();
scaffoldMessenger.showLoadingSnackBar(l10n.generatingVideoThumbnail);
thumbnail = await xfile.getVideoThumbnail();
} else {
// Else we just create a MatrixFile
file = MatrixFile(
bytes: await xfile.readAsBytes(),
name: xfile.name,
mimeType: mimeType,
).detectFileType;
}
if (file.bytes.length > maxUploadSize) {
throw FileTooBigMatrixException(length, maxUploadSize);
}
if (widget.files.length > 1) {
scaffoldMessenger.showLoadingSnackBar(
l10n.sendingAttachmentCountOfCount(
widget.files.indexOf(xfile) + 1,
widget.files.length,
),
);
} else {
scaffoldMessenger.clearSnackBars();
}
try {
await widget.room.sendFileEvent(
file,
thumbnail: thumbnail,
shrinkImageMaxDimension: compress ? 1600 : null,
);
} on MatrixException catch (e) {
final retryAfterMs = e.retryAfterMs;
if (e.error != MatrixError.M_LIMIT_EXCEEDED || retryAfterMs == null) {
rethrow;
}
final retryAfterDuration =
Duration(milliseconds: retryAfterMs + 1000);
scaffoldMessenger.showSnackBar(
SnackBar(
content: Text(
l10n.serverLimitReached(retryAfterDuration.inSeconds),
),
),
);
await Future.delayed(retryAfterDuration);
scaffoldMessenger.showLoadingSnackBar(l10n.sendingAttachment);
await widget.room.sendFileEvent(
file,
thumbnail: thumbnail,
shrinkImageMaxDimension: compress ? null : 1600,
);
}
}
scaffoldMessenger.clearSnackBars();
} catch (e) {
scaffoldMessenger.clearSnackBars();
scaffoldMessenger.showSnackBar(
SnackBar(
content: Text(e.toLocalizedString(widget.outerContext)),
duration: const Duration(seconds: 30),
showCloseIcon: true,
),
);
rethrow;
}
return;
}
Future<String> _calcCombinedFileSize() async {
final lengths =
await Future.wait(widget.files.map((file) => file.length()));
return lengths.fold<double>(0, (p, length) => p + length).sizeString;
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
var sendStr = L10n.of(context).sendFile;
final uniqueMimeType = widget.files
.map((file) => file.mimeType ?? lookupMimeType(file.name))
.toSet()
.singleOrNull;
final fileName = widget.files.length == 1
? widget.files.single.name
: L10n.of(context).countFiles(widget.files.length.toString());
final fileTypes = widget.files
.map((file) => file.name.split('.').last)
.toSet()
.join(', ')
.toUpperCase();
if (uniqueMimeType?.startsWith('image') ?? false) {
if (widget.files.length == 1) {
sendStr = L10n.of(context).sendImage;
} else {
sendStr = L10n.of(context).sendImages(widget.files.length);
}
} else if (uniqueMimeType?.startsWith('audio') ?? false) {
sendStr = L10n.of(context).sendAudio;
} else if (uniqueMimeType?.startsWith('video') ?? false) {
sendStr = L10n.of(context).sendVideo;
}
return FutureBuilder<String>(
future: _calcCombinedFileSize(),
builder: (context, snapshot) {
final sizeString =
snapshot.data ?? L10n.of(context).calculatingFileSize;
return AlertDialog.adaptive(
title: Text(sendStr),
content: SizedBox(
width: 256,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 12),
if (uniqueMimeType?.startsWith('image') ?? false)
Padding(
padding: const EdgeInsets.only(bottom: 16.0),
child: SizedBox(
height: 256,
child: Center(
child: ListView.builder(
shrinkWrap: true,
itemCount: widget.files.length,
scrollDirection: Axis.horizontal,
itemBuilder: (context, i) => Padding(
padding: const EdgeInsets.only(right: 8.0),
child: Material(
borderRadius: BorderRadius.circular(
AppConfig.borderRadius / 2,
),
clipBehavior: Clip.hardEdge,
child: kIsWeb
? Image.network(
widget.files[i].path,
height: 256,
)
: Image.file(
File(widget.files[i].path),
height: 256,
),
),
),
),
),
),
),
if (uniqueMimeType?.startsWith('image') != true)
Padding(
padding: const EdgeInsets.only(bottom: 16.0),
child: Row(
children: [
Icon(
uniqueMimeType == null
? Icons.description_outlined
: uniqueMimeType.startsWith('video')
? Icons.video_file_outlined
: uniqueMimeType.startsWith('audio')
? Icons.audio_file_outlined
: Icons.description_outlined,
size: 32,
),
const SizedBox(width: 8),
Expanded(
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
fileName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
Text(
'$sizeString - $fileTypes',
style: theme.textTheme.labelSmall,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
],
),
),
],
),
),
// Workaround for SwitchListTile.adaptive crashes in CupertinoDialog
if (uniqueMimeType != null &&
(uniqueMimeType.startsWith('image') ||
uniqueMimeType.startsWith('video')))
Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
if ({TargetPlatform.iOS, TargetPlatform.macOS}
.contains(theme.platform))
CupertinoSwitch(
value: compress,
onChanged: uniqueMimeType.startsWith('video') &&
!PlatformInfos.isMobile
? null
: (v) => setState(() => compress = v),
)
else
Switch.adaptive(
value: compress,
onChanged: uniqueMimeType.startsWith('video') &&
!PlatformInfos.isMobile
? null
: (v) => setState(() => compress = v),
),
const SizedBox(width: 16),
Expanded(
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(
L10n.of(context).compress,
style: theme.textTheme.titleMedium,
textAlign: TextAlign.left,
),
],
),
if (!compress)
Text(
' ($sizeString)',
style: theme.textTheme.labelSmall,
),
],
),
),
],
),
],
),
),
actions: <Widget>[
AdaptiveDialogAction(
onPressed: () =>
Navigator.of(context, rootNavigator: false).pop(),
child: Text(L10n.of(context).cancel),
),
AdaptiveDialogAction(
onPressed: _send,
child: Text(L10n.of(context).send),
),
],
);
},
);
}
}
extension on ScaffoldMessengerState {
ScaffoldFeatureController<SnackBar, SnackBarClosedReason> showLoadingSnackBar(
String title,
) {
clearSnackBars();
return showSnackBar(
SnackBar(
duration: const Duration(minutes: 5),
dismissDirection: DismissDirection.none,
content: Row(
children: [
const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator.adaptive(
strokeWidth: 2,
),
),
const SizedBox(width: 16),
Text(title),
],
),
),
);
}
}