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