90 lines
2.8 KiB
Dart
90 lines
2.8 KiB
Dart
import 'package:flutter/foundation.dart';
|
|
import 'package:flutter/material.dart';
|
|
|
|
import 'package:flutter_cache_manager/flutter_cache_manager.dart';
|
|
import 'package:future_loading_dialog/future_loading_dialog.dart';
|
|
import 'package:matrix/matrix.dart';
|
|
|
|
import 'matrix_file_extension.dart';
|
|
|
|
extension LocalizedBody on Event {
|
|
Future<LoadingDialogResult<MatrixFile?>> _getFile(BuildContext context) =>
|
|
showFutureLoadingDialog(
|
|
context: context,
|
|
future: () => downloadAndDecryptAttachmentCached(),
|
|
);
|
|
|
|
void saveFile(BuildContext context) async {
|
|
final matrixFile = await _getFile(context);
|
|
|
|
matrixFile.result?.save(context);
|
|
}
|
|
|
|
void shareFile(BuildContext context) async {
|
|
final matrixFile = await _getFile(context);
|
|
|
|
matrixFile.result?.share(context);
|
|
}
|
|
|
|
bool get isAttachmentSmallEnough =>
|
|
infoMap['size'] is int &&
|
|
infoMap['size'] < room.client.database!.maxFileSize;
|
|
|
|
bool get isThumbnailSmallEnough =>
|
|
thumbnailInfoMap['size'] is int &&
|
|
thumbnailInfoMap['size'] < room.client.database!.maxFileSize;
|
|
|
|
bool get showThumbnail =>
|
|
[MessageTypes.Image, MessageTypes.Sticker, MessageTypes.Video]
|
|
.contains(messageType) &&
|
|
(kIsWeb ||
|
|
isAttachmentSmallEnough ||
|
|
isThumbnailSmallEnough ||
|
|
(content['url'] is String));
|
|
|
|
String? get sizeString {
|
|
if (content['info'] is Map<String, dynamic> &&
|
|
content['info'].containsKey('size')) {
|
|
final size = content['info']['size'];
|
|
return size.sizeString;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
static final _downloadAndDecryptFutures = <String, Future<MatrixFile>>{};
|
|
|
|
Future<bool> isAttachmentCached({bool getThumbnail = false}) async {
|
|
final mxcUrl = attachmentOrThumbnailMxcUrl(getThumbnail: getThumbnail);
|
|
if (mxcUrl == null) return false;
|
|
// check if we have it in-memory
|
|
if (_downloadAndDecryptFutures.containsKey(mxcUrl)) {
|
|
return true;
|
|
}
|
|
// check if it is stored
|
|
if (await isAttachmentInLocalStore(getThumbnail: getThumbnail)) {
|
|
return true;
|
|
}
|
|
// check if the url is cached
|
|
final url = mxcUrl.getDownloadLink(room.client);
|
|
final file = await DefaultCacheManager().getFileFromCache(url.toString());
|
|
return file != null;
|
|
}
|
|
|
|
Future<MatrixFile?> downloadAndDecryptAttachmentCached(
|
|
{bool getThumbnail = false}) async {
|
|
final mxcUrl =
|
|
attachmentOrThumbnailMxcUrl(getThumbnail: getThumbnail)?.toString() ??
|
|
eventId;
|
|
_downloadAndDecryptFutures[mxcUrl] ??= downloadAndDecryptAttachment(
|
|
getThumbnail: getThumbnail,
|
|
downloadCallback: (Uri url) async {
|
|
final file = await DefaultCacheManager().getSingleFile(url.toString());
|
|
return await file.readAsBytes();
|
|
},
|
|
);
|
|
final res = await _downloadAndDecryptFutures[mxcUrl];
|
|
return res;
|
|
}
|
|
}
|