public MessageHeaderViewModel(Message message)
{
if (message == null)
{
throw new ArgumentNullException("message", "MessageHeaderViewModel constructor was expecting a Message object; received null.");
}
Message = message;
Date = ImapParser.ParseDate(Message.DateString);
Message.PropertyChanged += HandleModelPropertyChanged;
}
private void SetMessage(Message newMessage)
{
if (Message != null)
{
Message.PropertyChanged -= HandleModelPropertyChanged;
}
Message = newMessage;
Message.PropertyChanged += HandleModelPropertyChanged;
Date = ImapParser.ParseDate(Message.DateString);
if (string.IsNullOrEmpty(Message.Body))
{
DownloadMessageBodyAsync();
}
else
{
// Loading a message whose body has already been downloaded.
TextBody = MimeUtility.GetTextBody(Message.Body);
HtmlBody = MimeUtility.GetHtmlBody(Message.Body);
ProcessedHtmlBody = ProcessHtmlBody(HtmlBody);
LoadAttachments(Message.Body);
if (!Message.IsSeen)
{
// Set the \Seen flag.
Message.IsSeen = true;
DatabaseManager.Update(Message);
Task.Run(() => {
ImapClient imap = new ImapClient(notification.SelectedAccount);
if (imap.Connect())
{
// Not readonly because we need to set the \Seen flag.
bool readOnly = false;
if (imap.SelectMailbox(notification.SelectedMailbox.DirectoryPath, readOnly))
{
imap.SetFlag(ImapClient.FlagAction.Add, Message.Uid, "\\Seen");
}
imap.Disconnect();
}
});
}
}
}
private void HandleModelPropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "AccountName":
case "MailboxPath":
case "Subject":
case "SenderAddress":
case "SenderName":
case "IsSeen":
OnPropertyChanged(e.PropertyName);
break;
case "DateString":
Date = ImapParser.ParseDate(Message.DateString);
break;
}
}
private void HandleModelPropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "Subject":
case "Sender":
case "Recipient":
OnPropertyChanged(e.PropertyName);
break;
case "DateString":
Date = ImapParser.ParseDate(Message.DateString);
break;
case "Body":
TextBody = MimeUtility.GetTextBody(Message.Body);
HtmlBody = MimeUtility.GetHtmlBody(Message.Body);
BrowserContent = PrepareBrowserContent(HtmlBody);
OnPropertyChanged(e.PropertyName);
break;
}
}