/// <summary>
/// Gets the overlay icon.
/// </summary>
/// <param name="dispatcher">The dispatcher.</param>
/// <param name="icon">The icon information.</param>
/// <returns>
/// The overlay icon.
/// </returns>
public static ImageSource GetOverlay(
Dispatcher dispatcher, IconData icon)
{
if (icon == null)
throw new ArgumentNullException("icon");
ImageSource source;
if (!string.IsNullOrEmpty(icon.Custom) &&
Database.Icons.TryGetValue(icon.Custom, out source))
return source;
var id = icon.Standard;
if (!_standards.TryGetValue(id, out source))
{
lock (_lckStandards)
{
if (!_standards.TryGetValue(id, out source))
{
var wait = new ManualResetEvent(false);
dispatcher.BeginInvoke(() =>
{
var uri = string.Format(
"/Images/KeePass/{0:00}.png", id);
source = new BitmapImage(new Uri(
uri, UriKind.Relative));
_standards.Add(id, source);
wait.Set();
});
wait.WaitOne();
}
}
}
return source;
}
private static IconData ParseIcon(XmlReader reader)
{
var data = new IconData();
if (reader.Name != "IconID")
reader.ReadToNextSibling("IconID");
data.Standard = reader
.ReadElementContentAsInt();
if (reader.Name == "CustomIconUUID")
{
data.Custom = reader
.ReadElementContentAsString();
}
return data;
}