private void adornedElement_PreviewKeyUp(object sender, KeyEventArgs e) { if ((this.richTextBox != null) && (((e != null) && (e.Key == Key.Space)) || ((e == null) && this.performURLParsing))) { bool isWWWPrefixed; this.performURLParsing = false; string text = new TextRange(this.richTextBox.Document.ContentStart, this.richTextBox.Document.ContentEnd).Text; string str2 = new TextRange(this.richTextBox.Document.ContentStart, this.richTextBox.CaretPosition).Text; int length = str2.Length; if (((length - 1) <= text.Length) && (length != 0)) { int startIndex = -1; if ((length - 2) >= 0) { startIndex = text.LastIndexOf("http://", (int)(length - 2)); startIndex = (startIndex == -1) ? text.LastIndexOf("https://", (int)(length - 2)) : startIndex; startIndex = (startIndex == -1) ? (startIndex = text.LastIndexOf("www.", (int)(length - 2))) : startIndex; } if (startIndex == -1) { startIndex = 0; } if (str2.Substring(0, str2.Length - 1).EndsWith("\r\n")) { startIndex = length - 1; } this.lastWord = text.Substring(startIndex, length - startIndex); isWWWPrefixed = false; int num3 = this.lastWord.LastIndexOf("http://"); num3 = (num3 == -1) ? this.lastWord.LastIndexOf("https://") : num3; if (num3 == -1) { num3 = this.lastWord.LastIndexOf("www."); isWWWPrefixed = true; } if (num3 != -1) { string url; ContextMenu buttonContextMenu; Button button; MenuItem expandContractMenuItem; MenuItem gotoLinkMenuitem; Func<string> shortenURLDelegate; int index = this.lastWord.IndexOf(' ', num3); if (index != -1) { url = this.lastWord.Substring(num3, index - num3); int num5 = url.Length; if (isWWWPrefixed) { num5 += "http://".Length; } if ((num5 >= this.URL_LENGTH_THRESHOLD) && !this.IsAlreadyShortened(url)) { int x = text.IndexOf(url) - GetInlineUIContainerCountUpToPointer(this.richTextBox, this.richTextBox.CaretPosition); TextPointer start = new TextRange(GetPoint(this.richTextBox.Document.ContentStart, x), this.richTextBox.Document.ContentEnd).Start; start.DeleteTextInRun(url.Length); buttonContextMenu = new ContextMenu(); button = new Button(); button.SetResourceReference(FrameworkElement.StyleProperty, "URLButton"); button.Content = "shortening..."; button.Click += delegate(object s, RoutedEventArgs e2) { buttonContextMenu.PlacementTarget = button; buttonContextMenu.Placement = PlacementMode.Bottom; buttonContextMenu.IsOpen = true; }; expandContractMenuItem = new MenuItem { Header = "Expand link", IsEnabled = false }; gotoLinkMenuitem = new MenuItem { Header = "Open link in browser", IsEnabled = false }; buttonContextMenu.Items.Add(gotoLinkMenuitem); buttonContextMenu.Items.Add(expandContractMenuItem); InlineUIContainer container = new InlineUIContainer(button, start); shortenURLDelegate = delegate { Dictionary<string, string> dictionary = new Dictionary<string, string>(); if (CoreServices.Instance.CurrentURLShorteningService(this.TwitterAccountID) != null) { string key = CoreServices.Instance.CurrentURLShorteningService(this.TwitterAccountID).Name; if (!App.ShortenedURLCache.ContainsKey(key)) { Dictionary<string, string> dictionary2 = new Dictionary<string, string>(); App.ShortenedURLCache.Add(key, dictionary2); dictionary = dictionary2; } else { dictionary = App.ShortenedURLCache[key]; } } string text1 = url; if (isWWWPrefixed) { text1 = string.Format("http://{0}", text1); } string str3 = string.Empty; if (App.ShortenedURLCache.ContainsKey(text1)) { return dictionary[text1]; } str3 = this.ShortenURL(text1); dictionary[text1] = str3; return str3; }; shortenURLDelegate.BeginInvoke(delegate(IAsyncResult result) { string originalURL = url; if (isWWWPrefixed) { originalURL = string.Format("http://{0}", originalURL); } string returnedValue = shortenURLDelegate.EndInvoke(result); Application.Current.Dispatcher.BeginInvoke((Action)(() => { Button wrappedButton = button; wrappedButton.Content = returnedValue; wrappedButton.ToolTip = originalURL.ToString(); gotoLinkMenuitem.Click += (gs, ge) => Process.Start(returnedValue); expandContractMenuItem.Click += delegate(object sc, RoutedEventArgs ec) { if (expandContractMenuItem.Header.ToString() == "Expand link") { wrappedButton.Content = originalURL; expandContractMenuItem.Header = "Shorten link"; } else { wrappedButton.Content = returnedValue; expandContractMenuItem.Header = "Expand link"; } Messenger.Default.Send<GenericMessage<object>>(new GenericMessage<object>(null), CommonCommands.MultiAccountifyToken(ViewModelMessages.UpdateActualTweetText, this.TwitterAccountID)); }; expandContractMenuItem.IsEnabled = true; gotoLinkMenuitem.IsEnabled = true; Messenger.Default.Send<GenericMessage<object>>(new GenericMessage<object>(null), CommonCommands.MultiAccountifyToken(ViewModelMessages.UpdateActualTweetText, this.TwitterAccountID)); Messenger.Default.Send<GenericMessage<object>>(new GenericMessage<object>(null), CommonCommands.MultiAccountifyToken(ViewModelMessages.DecrementPostTweetCounter, this.TwitterAccountID)); }), DispatcherPriority.ContextIdle, new object[0]); }, null); Messenger.Default.Send<GenericMessage<object>>(new GenericMessage<object>(null), CommonCommands.MultiAccountifyToken(ViewModelMessages.IncrementPostTweetCounter, this.TwitterAccountID)); } } } } } }