public UpdaterViewModel(VersionDescription versionInfo)
{
this.versionInfo = versionInfo;
download = new Command(
() => Process.Start(versionInfo.Link.ToString()));
}
private void OnDownloadDataCompleted(object sender, DownloadDataCompletedEventArgs args)
{
if (!args.Cancelled && args.Error==null) {
var data = System.Text.Encoding.UTF8.GetString(args.Result);
var doc = XDocument.Parse(data);
var cur = currentVersion;
VersionDescription new_version = null;
foreach (var item in doc.Descendants("item")) {
var xtitle = item.Element("title");
var xdate = item.Element("pubDate");
var xlink = item.Element("link");
var xdesc = item.Element("description");
DateTime date;
Uri link = null;
string title = null;
string desc = null;
if (xtitle!=null && xtitle.Value!=null) {
title = xtitle.Value;
}
if (xlink!=null && xlink.Value!=null) {
Uri.TryCreate(xlink.Value, UriKind.Absolute, out link);
}
if (xdesc!=null && xdesc.Value!=null) {
desc = xdesc.ToString();
}
if (xdate!=null && xdate.Value!=null && DateTime.TryParse(xdate.Value, out date)) {
if (cur.Date<date.Date) {
cur = date;
new_version = new VersionDescription {
Title = title,
PublishDate = date,
Link = link,
Description = desc,
};
}
}
}
if (new_version!=null && NewVersionFound!=null) {
NewVersionFound(this, new NewVersionFoundEventArgs(new_version));
}
}
}
public NewVersionFoundEventArgs(VersionDescription desc)
{
this.VersionDescription = desc;
}
public void ShowNotificationMessage(NotificationMessage msg)
{
if (notifyIcon==null) return;
var timeout = 60000;
var icon = ToolTipIcon.Info;
switch (msg.Type) {
case NotificationMessageType.Normal: icon = ToolTipIcon.None; timeout = 30000; break;
case NotificationMessageType.Info: icon = ToolTipIcon.Info; break;
case NotificationMessageType.Warning: icon = ToolTipIcon.Warning; break;
case NotificationMessageType.Error: icon = ToolTipIcon.Error; break;
}
newVersionInfo = null;
notifyIcon.ShowBalloonTip(
timeout,
msg.Title,
msg.Message,
icon);
}