OpenTween/UserInfoDialog.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2007-2011 kiri_feather (@kiri_feather) <kiri.feather@gmail.com>
   3 //           (c) 2008-2011 Moz (@syo68k)
   4 //           (c) 2008-2011 takeshik (@takeshik) <http://www.takeshik.org/>
   5 //           (c) 2010-2011 anis774 (@anis774) <http://d.hatena.ne.jp/anis774/>
   6 //           (c) 2010-2011 fantasticswallow (@f_swallow) <http://twitter.com/f_swallow>
   7 //           (c) 2011      kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   8 // All rights reserved.
   9 //
  10 // This file is part of OpenTween.
  11 //
  12 // This program is free software; you can redistribute it and/or modify it
  13 // under the terms of the GNU General Public License as published by the Free
  14 // Software Foundation; either version 3 of the License, or (at your option)
  15 // any later version.
  16 //
  17 // This program is distributed in the hope that it will be useful, but
  18 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  19 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  20 // for more details.
  21 //
  22 // You should have received a copy of the GNU General Public License along
  23 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  24 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  25 // Boston, MA 02110-1301, USA.
  26
  27 using System;
  28 using System.Collections.Generic;
  29 using System.ComponentModel;
  30 using System.Data;
  31 using System.Drawing;
  32 using System.Linq;
  33 using System.Text;
  34 using System.Threading;
  35 using System.Threading.Tasks;
  36 using System.Windows.Forms;
  37 using System.Text.RegularExpressions;
  38 using System.Web;
  39 using System.IO;
  40 using System.Net;
  41 using OpenTween.Api;
  42 using OpenTween.Api.DataModel;
  43 using OpenTween.Connection;
  44 using System.Diagnostics.CodeAnalysis;
  45
  46 namespace OpenTween
  47 {
  48     public partial class UserInfoDialog : OTBaseForm
  49     {
  50         private TwitterUser _displayUser;
  51         private CancellationTokenSource cancellationTokenSource = null;
  52
  53         private readonly TweenMain mainForm;
  54         private readonly TwitterApi twitterApi;
  55
  56         public UserInfoDialog(TweenMain mainForm, TwitterApi twitterApi)
  57         {
  58             this.mainForm = mainForm;
  59             this.twitterApi = twitterApi;
  60
  61             InitializeComponent();
  62
  63             // LabelScreenName のフォントを OTBaseForm.GlobalFont に変更
  64             this.LabelScreenName.Font = this.ReplaceToGlobalFont(this.LabelScreenName.Font);
  65         }
  66
  67         [SuppressMessage("Microsoft.Reliability", "CA2000:DisposeObjectsBeforeLosingScope")]
  68         private void CancelLoading()
  69         {
  70             CancellationTokenSource oldTokenSource = null;
  71             try
  72             {
  73                 var newTokenSource = new CancellationTokenSource();
  74                 oldTokenSource = Interlocked.Exchange(ref this.cancellationTokenSource, newTokenSource);
  75             }
  76             finally
  77             {
  78                 if (oldTokenSource != null)
  79                 {
  80                     oldTokenSource.Cancel();
  81                     oldTokenSource.Dispose();
  82                 }
  83             }
  84         }
  85
  86         public async Task ShowUserAsync(TwitterUser user)
  87         {
  88             if (this.IsDisposed)
  89                 return;
  90
  91             if (user == null || user == this._displayUser)
  92                 return;
  93
  94             this.CancelLoading();
  95
  96             var cancellationToken = this.cancellationTokenSource.Token;
  97
  98             this._displayUser = user;
  99
 100             this.LabelId.Text = user.IdStr;
 101             this.LabelScreenName.Text = user.ScreenName;
 102             this.LabelName.Text = user.Name;
 103             this.LabelLocation.Text = user.Location ?? "";
 104             this.LabelCreatedAt.Text = MyCommon.DateTimeParse(user.CreatedAt).ToLocalTimeString();
 105
 106             if (user.Protected)
 107                 this.LabelIsProtected.Text = Properties.Resources.Yes;
 108             else
 109                 this.LabelIsProtected.Text = Properties.Resources.No;
 110
 111             if (user.Verified)
 112                 this.LabelIsVerified.Text = Properties.Resources.Yes;
 113             else
 114                 this.LabelIsVerified.Text = Properties.Resources.No;
 115
 116             var followingUrl = "https://twitter.com/" + user.ScreenName + "/following";
 117             this.LinkLabelFollowing.Text = user.FriendsCount.ToString();
 118             this.LinkLabelFollowing.Tag = followingUrl;
 119             this.ToolTip1.SetToolTip(this.LinkLabelFollowing, followingUrl);
 120
 121             var followersUrl = "https://twitter.com/" + user.ScreenName + "/followers";
 122             this.LinkLabelFollowers.Text = user.FollowersCount.ToString();
 123             this.LinkLabelFollowers.Tag = followersUrl;
 124             this.ToolTip1.SetToolTip(this.LinkLabelFollowers, followersUrl);
 125
 126             var favoritesUrl = "https://twitter.com/" + user.ScreenName + "/favorites";
 127             this.LinkLabelFav.Text = user.FavouritesCount.ToString();
 128             this.LinkLabelFav.Tag = favoritesUrl;
 129             this.ToolTip1.SetToolTip(this.LinkLabelFav, favoritesUrl);
 130
 131             var profileUrl = "https://twitter.com/" + user.ScreenName;
 132             this.LinkLabelTweet.Text = user.StatusesCount.ToString();
 133             this.LinkLabelTweet.Tag = profileUrl;
 134             this.ToolTip1.SetToolTip(this.LinkLabelTweet, profileUrl);
 135
 136             if (this.twitterApi.CurrentUserId == user.Id)
 137             {
 138                 this.ButtonEdit.Enabled = true;
 139                 this.ChangeIconToolStripMenuItem.Enabled = true;
 140                 this.ButtonBlock.Enabled = false;
 141                 this.ButtonReportSpam.Enabled = false;
 142                 this.ButtonBlockDestroy.Enabled = false;
 143             }
 144             else
 145             {
 146                 this.ButtonEdit.Enabled = false;
 147                 this.ChangeIconToolStripMenuItem.Enabled = false;
 148                 this.ButtonBlock.Enabled = true;
 149                 this.ButtonReportSpam.Enabled = true;
 150                 this.ButtonBlockDestroy.Enabled = true;
 151             }
 152
 153             await Task.WhenAll(new[]
 154             {
 155                 this.SetDescriptionAsync(user.Description, user.Entities.Description, cancellationToken),
 156                 this.SetRecentStatusAsync(user.Status, cancellationToken),
 157                 this.SetLinkLabelWebAsync(user.Url, user.Entities.Url, cancellationToken),
 158                 this.SetUserImageAsync(user.ProfileImageUrlHttps, cancellationToken),
 159                 this.LoadFriendshipAsync(user.ScreenName, cancellationToken),
 160             });
 161         }
 162
 163         private async Task SetDescriptionAsync(string descriptionText, TwitterEntities entities, CancellationToken cancellationToken)
 164         {
 165             if (descriptionText != null)
 166             {
 167                 foreach (var entity in entities.Urls)
 168                     entity.ExpandedUrl = await ShortUrl.Instance.ExpandUrlAsync(entity.ExpandedUrl);
 169
 170                 // user.entities には urls 以外のエンティティが含まれていないため、テキストをもとに生成する
 171                 var mergedEntities = entities.Urls.AsEnumerable<TwitterEntity>()
 172                     .Concat(TweetExtractor.ExtractHashtagEntities(descriptionText))
 173                     .Concat(TweetExtractor.ExtractMentionEntities(descriptionText))
 174                     .Concat(TweetExtractor.ExtractEmojiEntities(descriptionText));
 175
 176                 var html = TweetFormatter.AutoLinkHtml(descriptionText, mergedEntities);
 177                 html = this.mainForm.createDetailHtml(html);
 178
 179                 if (cancellationToken.IsCancellationRequested)
 180                     return;
 181
 182                 this.DescriptionBrowser.DocumentText = html;
 183             }
 184             else
 185             {
 186                 this.DescriptionBrowser.DocumentText = "";
 187             }
 188         }
 189
 190         private async Task SetUserImageAsync(string imageUri, CancellationToken cancellationToken)
 191         {
 192             var oldImage = this.UserPicture.Image;
 193             this.UserPicture.Image = null;
 194             oldImage?.Dispose();
 195
 196             // ProfileImageUrlHttps が null になる場合があるらしい
 197             // 参照: https://sourceforge.jp/ticket/browse.php?group_id=6526&tid=33871
 198             if (imageUri == null)
 199                 return;
 200
 201             await this.UserPicture.SetImageFromTask(async () =>
 202             {
 203                 var uri = imageUri.Replace("_normal", "_bigger");
 204
 205                 using var imageStream = await Networking.Http.GetStreamAsync(uri)
 206                     .ConfigureAwait(false);
 207
 208                 var image = await MemoryImage.CopyFromStreamAsync(imageStream)
 209                     .ConfigureAwait(false);
 210
 211                 if (cancellationToken.IsCancellationRequested)
 212                 {
 213                     image.Dispose();
 214                     throw new OperationCanceledException(cancellationToken);
 215                 }
 216
 217                 return image;
 218             });
 219         }
 220
 221         private async Task SetLinkLabelWebAsync(string uri, TwitterEntities entities, CancellationToken cancellationToken)
 222         {
 223             if (uri != null)
 224             {
 225                 var origUrl = entities?.Urls[0].ExpandedUrl ?? uri;
 226                 var expandedUrl = await ShortUrl.Instance.ExpandUrlAsync(origUrl);
 227
 228                 if (cancellationToken.IsCancellationRequested)
 229                     return;
 230
 231                 this.LinkLabelWeb.Text = expandedUrl;
 232                 this.LinkLabelWeb.Tag = expandedUrl;
 233                 this.ToolTip1.SetToolTip(this.LinkLabelWeb, expandedUrl);
 234             }
 235             else
 236             {
 237                 this.LinkLabelWeb.Text = "";
 238                 this.LinkLabelWeb.Tag = null;
 239                 this.ToolTip1.SetToolTip(this.LinkLabelWeb, null);
 240             }
 241         }
 242
 243         private async Task SetRecentStatusAsync(TwitterStatus status, CancellationToken cancellationToken)
 244         {
 245             if (status != null)
 246             {
 247                 var entities = status.MergedEntities;
 248
 249                 foreach (var entity in entities.Urls)
 250                     entity.ExpandedUrl = await ShortUrl.Instance.ExpandUrlAsync(entity.ExpandedUrl);
 251
 252                 var mergedEntities = entities.Concat(TweetExtractor.ExtractEmojiEntities(status.FullText));
 253
 254                 var html = TweetFormatter.AutoLinkHtml(status.FullText, mergedEntities);
 255                 html = this.mainForm.createDetailHtml(html +
 256                     " Posted at " + MyCommon.DateTimeParse(status.CreatedAt).ToLocalTimeString() +
 257                     " via " + status.Source);
 258
 259                 if (cancellationToken.IsCancellationRequested)
 260                     return;
 261
 262                 this.RecentPostBrowser.DocumentText = html;
 263             }
 264             else
 265             {
 266                 this.RecentPostBrowser.DocumentText = Properties.Resources.ShowUserInfo2;
 267             }
 268         }
 269
 270         private async Task LoadFriendshipAsync(string screenName, CancellationToken cancellationToken)
 271         {
 272             this.LabelIsFollowing.Text = "";
 273             this.LabelIsFollowed.Text = "";
 274             this.ButtonFollow.Enabled = false;
 275             this.ButtonUnFollow.Enabled = false;
 276
 277             if (this.twitterApi.CurrentScreenName == screenName)
 278                 return;
 279
 280             TwitterFriendship friendship;
 281             try
 282             {
 283                 friendship = await this.twitterApi.FriendshipsShow(this.twitterApi.CurrentScreenName, screenName);
 284             }
 285             catch (WebApiException)
 286             {
 287                 LabelIsFollowed.Text = Properties.Resources.GetFriendshipInfo6;
 288                 LabelIsFollowing.Text = Properties.Resources.GetFriendshipInfo6;
 289                 return;
 290             }
 291
 292             if (cancellationToken.IsCancellationRequested)
 293                 return;
 294
 295             var isFollowing = friendship.Relationship.Source.Following;
 296             var isFollowedBy = friendship.Relationship.Source.FollowedBy;
 297
 298             this.LabelIsFollowing.Text = isFollowing
 299                 ? Properties.Resources.GetFriendshipInfo1
 300                 : Properties.Resources.GetFriendshipInfo2;
 301
 302             this.LabelIsFollowed.Text = isFollowedBy
 303                 ? Properties.Resources.GetFriendshipInfo3
 304                 : Properties.Resources.GetFriendshipInfo4;
 305
 306             this.ButtonFollow.Enabled = !isFollowing;
 307             this.ButtonUnFollow.Enabled = isFollowing;
 308         }
 309
 310         private void ShowUserInfo_Load(object sender, EventArgs e)
 311         {
 312             this.TextBoxName.Location = this.LabelName.Location;
 313             this.TextBoxName.Height = this.LabelName.Height;
 314             this.TextBoxName.Width = this.LabelName.Width;
 315             this.TextBoxName.BackColor = this.mainForm.InputBackColor;
 316
 317             this.TextBoxLocation.Location = this.LabelLocation.Location;
 318             this.TextBoxLocation.Height = this.LabelLocation.Height;
 319             this.TextBoxLocation.Width = this.LabelLocation.Width;
 320             this.TextBoxLocation.BackColor = this.mainForm.InputBackColor;
 321
 322             this.TextBoxWeb.Location = this.LinkLabelWeb.Location;
 323             this.TextBoxWeb.Height = this.LinkLabelWeb.Height;
 324             this.TextBoxWeb.Width = this.LinkLabelWeb.Width;
 325             this.TextBoxWeb.BackColor = this.mainForm.InputBackColor;
 326
 327             this.TextBoxDescription.Location = this.DescriptionBrowser.Location;
 328             this.TextBoxDescription.Height = this.DescriptionBrowser.Height;
 329             this.TextBoxDescription.Width = this.DescriptionBrowser.Width;
 330             this.TextBoxDescription.BackColor = this.mainForm.InputBackColor;
 331             this.TextBoxDescription.Multiline = true;
 332             this.TextBoxDescription.ScrollBars = ScrollBars.Vertical;
 333         }
 334
 335         private async void LinkLabel_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 336         {
 337             var linkLabel = (LinkLabel)sender;
 338
 339             var linkUrl = (string)linkLabel.Tag;
 340             if (linkUrl == null)
 341                 return;
 342
 343             await this.mainForm.OpenUriInBrowserAsync(linkUrl);
 344         }
 345
 346         private async void ButtonFollow_Click(object sender, EventArgs e)
 347         {
 348             using (ControlTransaction.Disabled(this.ButtonFollow))
 349             {
 350                 try
 351                 {
 352                     await this.twitterApi.FriendshipsCreate(this._displayUser.ScreenName)
 353                         .IgnoreResponse();
 354                 }
 355                 catch (WebApiException ex)
 356                 {
 357                     MessageBox.Show(Properties.Resources.FRMessage2 + ex.Message);
 358                     return;
 359                 }
 360             }
 361
 362             MessageBox.Show(Properties.Resources.FRMessage3);
 363             LabelIsFollowing.Text = Properties.Resources.GetFriendshipInfo1;
 364             ButtonFollow.Enabled = false;
 365             ButtonUnFollow.Enabled = true;
 366         }
 367
 368         private async void ButtonUnFollow_Click(object sender, EventArgs e)
 369         {
 370             if (MessageBox.Show(this._displayUser.ScreenName + Properties.Resources.ButtonUnFollow_ClickText1,
 371                                Properties.Resources.ButtonUnFollow_ClickText2,
 372                                MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
 373             {
 374                 using (ControlTransaction.Disabled(this.ButtonUnFollow))
 375                 {
 376                     try
 377                     {
 378                         await this.twitterApi.FriendshipsDestroy(this._displayUser.ScreenName)
 379                             .IgnoreResponse();
 380                     }
 381                     catch (WebApiException ex)
 382                     {
 383                         MessageBox.Show(Properties.Resources.FRMessage2 + ex.Message);
 384                         return;
 385                     }
 386                 }
 387
 388                 MessageBox.Show(Properties.Resources.FRMessage3);
 389                 LabelIsFollowing.Text = Properties.Resources.GetFriendshipInfo2;
 390                 ButtonFollow.Enabled = true;
 391                 ButtonUnFollow.Enabled = false;
 392             }
 393         }
 394
 395         private void ShowUserInfo_Activated(object sender, EventArgs e)
 396         {
 397             //画面が他画面の裏に隠れると、アイコン画像が再描画されない問題の対応
 398             if (UserPicture.Image != null)
 399                 UserPicture.Invalidate(false);
 400         }
 401
 402         private void ShowUserInfo_Shown(object sender, EventArgs e)
 403             => this.ButtonClose.Focus();
 404
 405         private async void WebBrowser_Navigating(object sender, WebBrowserNavigatingEventArgs e)
 406         {
 407             if (e.Url.AbsoluteUri != "about:blank")
 408             {
 409                 e.Cancel = true;
 410
 411                 // Ctrlを押しながらリンクを開いた場合は、設定と逆の動作をするフラグを true としておく
 412                 await this.mainForm.OpenUriAsync(e.Url, MyCommon.IsKeyDown(Keys.Control));
 413             }
 414         }
 415
 416         private void SelectAllToolStripMenuItem_Click(object sender, EventArgs e)
 417         {
 418             var browser = (WebBrowser)this.ContextMenuRecentPostBrowser.SourceControl;
 419             browser.Document.ExecCommand("SelectAll", false, null);
 420         }
 421
 422         private void SelectionCopyToolStripMenuItem_Click(object sender, EventArgs e)
 423         {
 424             var browser = (WebBrowser)this.ContextMenuRecentPostBrowser.SourceControl;
 425             var selectedText = browser.GetSelectedText();
 426             if (selectedText != null)
 427             {
 428                 try
 429                 {
 430                     Clipboard.SetDataObject(selectedText, false, 5, 100);
 431                 }
 432                 catch (Exception ex)
 433                 {
 434                     MessageBox.Show(ex.Message);
 435                 }
 436             }
 437         }
 438
 439         private void ContextMenuRecentPostBrowser_Opening(object sender, CancelEventArgs e)
 440         {
 441             var browser = (WebBrowser)this.ContextMenuRecentPostBrowser.SourceControl;
 442             var selectedText = browser.GetSelectedText();
 443
 444             this.SelectionCopyToolStripMenuItem.Enabled = selectedText != null;
 445         }
 446
 447         private async void LinkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 448             => await this.mainForm.OpenUriInBrowserAsync("https://support.twitter.com/groups/31-twitter-basics/topics/111-features/articles/268350-x8a8d-x8a3c-x6e08-x307f-x30a2-x30ab-x30a6-x30f3-x30c8-x306b-x3064-x3044-x3066");
 449
 450         private async void LinkLabel2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 451             => await this.mainForm.OpenUriInBrowserAsync("https://support.twitter.com/groups/31-twitter-basics/topics/107-my-profile-account-settings/articles/243055-x516c-x958b-x3001-x975e-x516c-x958b-x30a2-x30ab-x30a6-x30f3-x30c8-x306b-x3064-x3044-x3066");
 452
 453         private async void ButtonSearchPosts_Click(object sender, EventArgs e)
 454             => await this.mainForm.AddNewTabForUserTimeline(this._displayUser.ScreenName);
 455
 456         private async void UserPicture_Click(object sender, EventArgs e)
 457         {
 458             var imageUrl = this._displayUser.ProfileImageUrlHttps;
 459             imageUrl = imageUrl.Remove(imageUrl.LastIndexOf("_normal", StringComparison.Ordinal), 7);
 460
 461             await this.mainForm.OpenUriInBrowserAsync(imageUrl);
 462         }
 463
 464         private bool IsEditing = false;
 465         private string ButtonEditText = "";
 466
 467         private async void ButtonEdit_Click(object sender, EventArgs e)
 468         {
 469             // 自分以外のプロフィールは変更できない
 470             if (this.twitterApi.CurrentUserId != this._displayUser.Id)
 471                 return;
 472
 473             using (ControlTransaction.Disabled(this.ButtonEdit))
 474             {
 475                 if (!IsEditing)
 476                 {
 477                     ButtonEditText = ButtonEdit.Text;
 478                     ButtonEdit.Text = Properties.Resources.UserInfoButtonEdit_ClickText1;
 479
 480                     TextBoxName.Text = LabelName.Text;
 481                     TextBoxName.Enabled = true;
 482                     TextBoxName.Visible = true;
 483                     LabelName.Visible = false;
 484
 485                     TextBoxLocation.Text = LabelLocation.Text;
 486                     TextBoxLocation.Enabled = true;
 487                     TextBoxLocation.Visible = true;
 488                     LabelLocation.Visible = false;
 489
 490                     TextBoxWeb.Text = this._displayUser.Url;
 491                     TextBoxWeb.Enabled = true;
 492                     TextBoxWeb.Visible = true;
 493                     LinkLabelWeb.Visible = false;
 494
 495                     TextBoxDescription.Text = this._displayUser.Description;
 496                     TextBoxDescription.Enabled = true;
 497                     TextBoxDescription.Visible = true;
 498                     DescriptionBrowser.Visible = false;
 499
 500                     TextBoxName.Focus();
 501                     TextBoxName.Select(TextBoxName.Text.Length, 0);
 502
 503                     IsEditing = true;
 504                 }
 505                 else
 506                 {
 507                     Task showUserTask = null;
 508
 509                     if (TextBoxName.Modified ||
 510                         TextBoxLocation.Modified ||
 511                         TextBoxWeb.Modified ||
 512                         TextBoxDescription.Modified)
 513                     {
 514                         try
 515                         {
 516                             var response = await this.twitterApi.AccountUpdateProfile(
 517                                 this.TextBoxName.Text,
 518                                 this.TextBoxWeb.Text,
 519                                 this.TextBoxLocation.Text,
 520                                 this.TextBoxDescription.Text);
 521
 522                             var user = await response.LoadJsonAsync();
 523                             showUserTask = this.ShowUserAsync(user);
 524                         }
 525                         catch (WebApiException ex)
 526                         {
 527                             MessageBox.Show($"Err:{ex.Message}(AccountUpdateProfile)");
 528                             return;
 529                         }
 530                     }
 531
 532                     TextBoxName.Enabled = false;
 533                     TextBoxName.Visible = false;
 534                     LabelName.Visible = true;
 535
 536                     TextBoxLocation.Enabled = false;
 537                     TextBoxLocation.Visible = false;
 538                     LabelLocation.Visible = true;
 539
 540                     TextBoxWeb.Enabled = false;
 541                     TextBoxWeb.Visible = false;
 542                     LinkLabelWeb.Visible = true;
 543
 544                     TextBoxDescription.Enabled = false;
 545                     TextBoxDescription.Visible = false;
 546                     DescriptionBrowser.Visible = true;
 547
 548                     ButtonEdit.Text = ButtonEditText;
 549
 550                     IsEditing = false;
 551
 552                     if (showUserTask != null)
 553                         await showUserTask;
 554                 }
 555             }
 556         }
 557
 558         private async Task DoChangeIcon(string filename)
 559         {
 560             try
 561             {
 562                 var mediaItem = new FileMediaItem(filename);
 563
 564                 await this.twitterApi.AccountUpdateProfileImage(mediaItem)
 565                     .IgnoreResponse();
 566             }
 567             catch (WebApiException ex)
 568             {
 569                 MessageBox.Show("Err:" + ex.Message + Environment.NewLine + Properties.Resources.ChangeIconToolStripMenuItem_ClickText4);
 570                 return;
 571             }
 572
 573             MessageBox.Show(Properties.Resources.ChangeIconToolStripMenuItem_ClickText5);
 574
 575             try
 576             {
 577                 var user = await this.twitterApi.UsersShow(this._displayUser.ScreenName);
 578
 579                 if (user != null)
 580                     await this.ShowUserAsync(user);
 581             }
 582             catch (WebApiException ex)
 583             {
 584                 MessageBox.Show($"Err:{ex.Message}(UsersShow)");
 585             }
 586         }
 587
 588         private async void ChangeIconToolStripMenuItem_Click(object sender, EventArgs e)
 589         {
 590             OpenFileDialogIcon.Filter = Properties.Resources.ChangeIconToolStripMenuItem_ClickText1;
 591             OpenFileDialogIcon.Title = Properties.Resources.ChangeIconToolStripMenuItem_ClickText2;
 592             OpenFileDialogIcon.FileName = "";
 593
 594             var rslt = OpenFileDialogIcon.ShowDialog();
 595
 596             if (rslt != DialogResult.OK)
 597             {
 598                 return;
 599             }
 600
 601             var fn = OpenFileDialogIcon.FileName;
 602             if (this.IsValidIconFile(new FileInfo(fn)))
 603             {
 604                 await this.DoChangeIcon(fn);
 605             }
 606             else
 607             {
 608                 MessageBox.Show(Properties.Resources.ChangeIconToolStripMenuItem_ClickText6);
 609             }
 610         }
 611
 612         private async void ButtonBlock_Click(object sender, EventArgs e)
 613         {
 614             if (MessageBox.Show(this._displayUser.ScreenName + Properties.Resources.ButtonBlock_ClickText1,
 615                                 Properties.Resources.ButtonBlock_ClickText2,
 616                                 MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
 617             {
 618                 using (ControlTransaction.Disabled(this.ButtonBlock))
 619                 {
 620                     try
 621                     {
 622                         await this.twitterApi.BlocksCreate(this._displayUser.ScreenName)
 623                             .IgnoreResponse();
 624                     }
 625                     catch (WebApiException ex)
 626                     {
 627                         MessageBox.Show("Err:" + ex.Message + Environment.NewLine + Properties.Resources.ButtonBlock_ClickText3);
 628                         return;
 629                     }
 630
 631                     MessageBox.Show(Properties.Resources.ButtonBlock_ClickText4);
 632                 }
 633             }
 634         }
 635
 636         private async void ButtonReportSpam_Click(object sender, EventArgs e)
 637         {
 638             if (MessageBox.Show(this._displayUser.ScreenName + Properties.Resources.ButtonReportSpam_ClickText1,
 639                                 Properties.Resources.ButtonReportSpam_ClickText2,
 640                                 MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
 641             {
 642                 using (ControlTransaction.Disabled(this.ButtonReportSpam))
 643                 {
 644                     try
 645                     {
 646                         await this.twitterApi.UsersReportSpam(this._displayUser.ScreenName)
 647                             .IgnoreResponse();
 648                     }
 649                     catch (WebApiException ex)
 650                     {
 651                         MessageBox.Show("Err:" + ex.Message + Environment.NewLine + Properties.Resources.ButtonReportSpam_ClickText3);
 652                         return;
 653                     }
 654
 655                     MessageBox.Show(Properties.Resources.ButtonReportSpam_ClickText4);
 656                 }
 657             }
 658         }
 659
 660         private async void ButtonBlockDestroy_Click(object sender, EventArgs e)
 661         {
 662             if (MessageBox.Show(this._displayUser.ScreenName + Properties.Resources.ButtonBlockDestroy_ClickText1,
 663                                 Properties.Resources.ButtonBlockDestroy_ClickText2,
 664                                 MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
 665             {
 666                 using (ControlTransaction.Disabled(this.ButtonBlockDestroy))
 667                 {
 668                     try
 669                     {
 670                         await this.twitterApi.BlocksDestroy(this._displayUser.ScreenName)
 671                             .IgnoreResponse();
 672                     }
 673                     catch (WebApiException ex)
 674                     {
 675                         MessageBox.Show("Err:" + ex.Message + Environment.NewLine + Properties.Resources.ButtonBlockDestroy_ClickText3);
 676                         return;
 677                     }
 678
 679                     MessageBox.Show(Properties.Resources.ButtonBlockDestroy_ClickText4);
 680                 }
 681             }
 682         }
 683
 684         private bool IsValidExtension(string ext)
 685         {
 686             var allowedExtensions = new[] { ".jpg", ".jpeg", ".png", ".gif" };
 687
 688             return allowedExtensions.Contains(ext, StringComparer.InvariantCultureIgnoreCase);
 689         }
 690
 691         private bool IsValidIconFile(FileInfo info)
 692         {
 693             return this.IsValidExtension(info.Extension) &&
 694                 info.Length < 700 * 1024 &&
 695                 !MyCommon.IsAnimatedGif(info.FullName);
 696         }
 697
 698         private void ShowUserInfo_DragEnter(object sender, DragEventArgs e)
 699         {
 700             if (e.Data.GetDataPresent(DataFormats.FileDrop) &&
 701                 !e.Data.GetDataPresent(DataFormats.Html, false))  // WebBrowserコントロールからの絵文字画像D&Dは弾く
 702             {
 703                 var files = (string[])e.Data.GetData(DataFormats.FileDrop, false);
 704                 if (files.Length != 1)
 705                     return;
 706
 707                 var finfo = new FileInfo(files[0]);
 708                 if (this.IsValidIconFile(finfo))
 709                 {
 710                     e.Effect = DragDropEffects.Copy;
 711                 }
 712             }
 713         }
 714
 715         private async void ShowUserInfo_DragDrop(object sender, DragEventArgs e)
 716         {
 717             if (e.Data.GetDataPresent(DataFormats.FileDrop) &&
 718                 !e.Data.GetDataPresent(DataFormats.Html, false))  // WebBrowserコントロールからの絵文字画像D&Dは弾く
 719             {
 720                 var ret = MessageBox.Show(this, Properties.Resources.ChangeIconToolStripMenuItem_Confirm,
 721                     ApplicationSettings.ApplicationName, MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
 722                 if (ret != DialogResult.OK)
 723                     return;
 724
 725                 var filename = ((string[])e.Data.GetData(DataFormats.FileDrop, false))[0];
 726                 await this.DoChangeIcon(filename);
 727             }
 728         }
 729
 730         protected override void Dispose(bool disposing)
 731         {
 732             if (disposing)
 733             {
 734                 var cts = this.cancellationTokenSource;
 735                 cts.Cancel();
 736                 cts.Dispose();
 737
 738                 var oldImage = this.UserPicture.Image;
 739                 this.UserPicture.Image = null;
 740                 oldImage?.Dispose();
 741
 742                 this.components?.Dispose();
 743             }
 744
 745             base.Dispose(disposing);
 746         }
 747     }
 748 }