private bool SendCachedImageToClient(string url, HttpProcessor httpProcessor)
{
Uri uri = null;
var processor = httpProcessor;
if (Uri.TryCreate(url, UriKind.RelativeOrAbsolute, out uri))
{
bool gotImage = false;
UI.Dispatch(() =>
{
imageDataSource.GetImage(uri, 0, 0, (image) =>
{
var stream = image.ToPngStream();
stream.Position = 0;
SendStreamToClient(stream, "image/png", processor);
gotImage = true;
}, (img) => { });
});
while (!gotImage)
{
Thread.Sleep(5);
}
}
return(true);
}
private InlineCollection ChatMessageToInlinesCollection(ChatMessage message)
{
String url = String.Empty;
TextBlock textBlock = new TextBlock();
textBlock.AllowDrop = false;
textBlock.Focusable = false;
if (message == null)
{
return(textBlock.Inlines);
}
if (!String.IsNullOrEmpty(message.Text))
{
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(message.Text);
var nodes = htmlDoc.DocumentNode.ChildNodes.ToList();
if (nodes.Count == 0)
{
textBlock.Inlines.Add(new Run(message.Text));
htmlDoc = null;
return(textBlock.Inlines);
}
foreach (var node in nodes)
{
switch (node.NodeType)
{
case HtmlNodeType.Text:
textBlock.Inlines.Add(new Run(node.InnerText));
break;
case HtmlNodeType.Element:
switch (node.OriginalName.ToLower())
{
case "img":
int width = 0;
int height = 0;
url = "http://localhost/";
if (node.Attributes["src"] != null)
{
url = node.Attributes["src"].Value;
}
if (node.Attributes["width"] != null)
{
int.TryParse(node.Attributes["width"].Value, out width);
}
if (node.Attributes["height"] != null)
{
int.TryParse(node.Attributes["height"].Value, out height);
}
var imgTooltip = this.With(x => node.Attributes["alt"])
.With(x => x.Value);
Uri imageUri;
if (Uri.TryCreate(url, UriKind.RelativeOrAbsolute, out imageUri))
{
if (dataService != null)
{
dataService.GetImage(imageUri, width, height, (image) =>
{
image.ToolTip = imgTooltip;
textBlock.Inlines.Add(image);
}, null);
}
}
else
{
Log.WriteError("Converter got invalid Url:{0}", url);
textBlock.Inlines.Add(url);
}
break;
case "a":
Hyperlink link = new Hyperlink(new Run(node.Attributes["href"].Value));
url = node.Attributes["href"].Value;
var tooltip = this.With(x => node.Attributes["title"])
.With(x => x.Value);
link.IsEnabled = true;
if (!url.Contains("://"))
{
url = "http://" + url;
}
Uri linkUri;
if (Uri.TryCreate(url, UriKind.Absolute, out linkUri))
{
link.NavigateUri = linkUri;
link.Focusable = false;
link.ToolTip = tooltip;
link.RequestNavigate += (sender, e) =>
{
Process.Start(e.Uri.ToString());
};
textBlock.Inlines.Add(link);
}
else
{
Log.WriteError("Can't parse url: {0}", url);
textBlock.Inlines.Add(url);
}
break;
}
break;
}
}
htmlDoc = null;
}
return(textBlock.Inlines);
}
