fluffychat/lib/utils/matrix_sdk_extensions/matrix_file_extension.dart

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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:file_picker/file_picker.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
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import 'package:matrix/matrix.dart';
import 'package:path_provider/path_provider.dart';
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import 'package:share_plus/share_plus.dart';
import 'package:universal_html/html.dart' as html;
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'package:fluffychat/utils/size_string.dart';
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extension MatrixFileExtension on MatrixFile {
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void save(BuildContext context) async {
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if (PlatformInfos.isIOS) {
return share(context);
}
if (PlatformInfos.isWeb) {
_webDownload();
return;
}
final downloadPath = PlatformInfos.isAndroid
? await getDownloadPathAndroid()
: await FilePicker.platform.saveFile(
dialogTitle: L10n.of(context)!.saveFile,
fileName: name,
type: filePickerFileType,
);
if (downloadPath == null) return;
final result = await showFutureLoadingDialog(
context: context,
future: () => File(downloadPath).writeAsBytes(bytes),
);
if (result.error != null) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
L10n.of(context)!.fileHasBeenSavedAt(downloadPath),
),
),
);
}
Future<String> getDownloadPathAndroid() async {
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final directory = await getDownloadDirectoryAndroid();
return '${directory.path}/$name';
}
Future<Directory> getDownloadDirectoryAndroid() async {
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final defaultDownloadDirectory = Directory('/storage/emulated/0/Download');
if (await defaultDownloadDirectory.exists()) {
return defaultDownloadDirectory;
}
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return await getApplicationDocumentsDirectory();
}
FileType get filePickerFileType {
if (this is MatrixImageFile) return FileType.image;
if (this is MatrixAudioFile) return FileType.audio;
if (this is MatrixVideoFile) return FileType.video;
return FileType.any;
}
void _webDownload() {
html.AnchorElement(
href: html.Url.createObjectUrlFromBlob(
html.Blob(
[bytes],
mimeType,
),
),
)
..download = name
..click();
}
void share(BuildContext context) async {
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// Workaround for iPad from
// https://github.com/fluttercommunity/plus_plugins/tree/main/packages/share_plus/share_plus#ipad
final box = context.findRenderObject() as RenderBox?;
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await Share.shareXFiles(
[XFile.fromData(bytes, name: name, mimeType: mimeType)],
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sharePositionOrigin:
box == null ? null : box.localToGlobal(Offset.zero) & box.size,
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);
return;
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}
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MatrixFile get detectFileType {
if (msgType == MessageTypes.Image) {
return MatrixImageFile(bytes: bytes, name: name);
}
if (msgType == MessageTypes.Video) {
return MatrixVideoFile(bytes: bytes, name: name);
}
if (msgType == MessageTypes.Audio) {
return MatrixAudioFile(bytes: bytes, name: name);
}
return this;
}
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String get sizeString => size.sizeString;
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}