1 // OpenTween - Client of Twitter
2 // Copyright (c) 2015 spx (@5px)
3 // All rights reserved.
5 // This file is part of OpenTween.
7 // This program is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 3 of the License, or (at your option)
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 // You should have received a copy of the GNU General Public License along
18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
20 // Boston, MA 02110-1301, USA.
23 using System.Collections.Generic;
25 using System.Net.Http;
27 using System.Text.RegularExpressions;
28 using System.Threading;
29 using System.Threading.Tasks;
31 namespace OpenTween.Thumbnail.Services
34 /// サムネイル用URLと動画用URLを用意する
36 class TwitterComVideo : MetaThumbnailService
38 public static readonly string UrlPattern = @"^https?://amp\.twimg\.com/v/.*$";
40 public TwitterComVideo()
41 : base(null, TwitterComVideo.UrlPattern)
45 public TwitterComVideo(HttpClient http)
46 : base(http, TwitterComVideo.UrlPattern)
50 public override async Task<ThumbnailInfo> GetThumbnailInfoAsync(string url, PostClass post, CancellationToken token)
52 // 前処理で動画用URLが準備されていればそれを使う
53 var mediaInfo = post.Media.FirstOrDefault(x => x.Url == url);
54 if (mediaInfo?.VideoUrl != null)
56 return new ThumbnailInfo
58 ImageUrl = mediaInfo.VideoUrl,
64 // amp.twimg.com のメタデータからサムネイル用URLを取得する
65 var thumbInfo = await base.GetThumbnailInfoAsync(url, post, token)
66 .ConfigureAwait(false);
68 if (thumbInfo != null)
70 thumbInfo.IsPlayable = true;