matrix-0.8.13/lib/src/utils/uri_extension.dart

64 lines
2.3 KiB
Dart

/*
* Famedly Matrix SDK
* Copyright (C) 2019, 2020, 2021 Famedly GmbH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import 'dart:core';
import '../client.dart';
extension MxcUriExtension on Uri {
/// Returns a download Link to this content.
Uri getDownloadLink(Client matrix) => isScheme('mxc')
? matrix.homeserver != null
? matrix.homeserver?.resolve(
'_matrix/media/r0/download/$host${hasPort ? ':$port' : ''}$path') ??
Uri()
: Uri()
: this;
/// Returns a scaled thumbnail link to this content with the given `width` and
/// `height`. `method` can be `ThumbnailMethod.crop` or
/// `ThumbnailMethod.scale` and defaults to `ThumbnailMethod.scale`.
/// If `animated` (default false) is set to true, an animated thumbnail is requested
/// as per MSC2705. Thumbnails only animate if the media repository supports that.
Uri getThumbnail(Client matrix,
{num? width,
num? height,
ThumbnailMethod? method = ThumbnailMethod.crop,
bool? animated = false}) {
if (!isScheme('mxc')) return this;
final homeserver = matrix.homeserver;
if (homeserver == null) {
return Uri();
}
return Uri(
scheme: homeserver.scheme,
host: homeserver.host,
path: '/_matrix/media/r0/thumbnail/$host${hasPort ? ':$port' : ''}$path',
port: homeserver.port,
queryParameters: {
if (width != null) 'width': width.round().toString(),
if (height != null) 'height': height.round().toString(),
if (method != null) 'method': method.toString().split('.').last,
if (animated != null) 'animated': animated.toString(),
},
);
}
}
enum ThumbnailMethod { crop, scale }