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feat: Add svg support and better image handling

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This commit is contained in:
Sorunome 2020-11-17 12:59:34 +01:00
commit 31aa4c41d4
6 changed files with 289 additions and 126 deletions
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52
lib/utils/event_extension.dart
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@ -2,6 +2,7 @@ import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/components/dialogs/simple_dialogs.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_cache_manager/flutter_cache_manager.dart';
import 'matrix_file_extension.dart';
import 'app_route.dart';
import '../views/image_view.dart';
@ -19,7 +20,7 @@ extension LocalizedBody on Event {
}
final MatrixFile matrixFile =
await SimpleDialogs(context).tryRequestWithLoadingDialog(
downloadAndDecryptAttachment(),
downloadAndDecryptAttachmentCached(),
);
matrixFile.open();
}
@ -39,17 +40,18 @@ extension LocalizedBody on Event {
}
}
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].contains(messageType) &&
(kIsWeb ||
(content['info'] is Map &&
content['info']['size'] is int &&
content['info']['size'] < room.client.database.maxFileSize) ||
(hasThumbnail &&
content['info']['thumbnail_info'] is Map &&
content['info']['thumbnail_info']['size'] is int &&
content['info']['thumbnail_info']['size'] <
room.client.database.maxFileSize) ||
isAttachmentSmallEnough ||
isThumbnailSmallEnough ||
(content['url'] is String));
String get sizeString {
@ -73,4 +75,36 @@ extension LocalizedBody on Event {
return null;
}
}
static final _downloadAndDecryptFutures = <String, Future<MatrixFile>>{};
Future<bool> isAttachmentCached({bool getThumbnail = false}) async {
final mxcUrl = attachmentOrThumbnailMxcUrl(getThumbnail: getThumbnail);
// 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 = Uri.parse(mxcUrl).getDownloadLink(room.client);
final file = await DefaultCacheManager().getFileFromCache(url);
return file != null;
}
Future<MatrixFile> downloadAndDecryptAttachmentCached(
{bool getThumbnail = false}) async {
final mxcUrl = attachmentOrThumbnailMxcUrl(getThumbnail: getThumbnail);
_downloadAndDecryptFutures[mxcUrl] ??= downloadAndDecryptAttachment(
getThumbnail: getThumbnail,
downloadCallback: (String url) async {
final file = await DefaultCacheManager().getSingleFile(url);
return await file.readAsBytes();
},
);
final res = await _downloadAndDecryptFutures[mxcUrl];
return res;
}
}