public void NKaddScriptMessageHandler(NKScriptMessageHandler scriptMessageHandler, string name)
{
msgHandlers.Add(name, scriptMessageHandler);
var script = "NKScripting.messageHandlers['" + name + "'] = NKScripting.getMessageHandlers('" + name + "');";
context.NKevaluateJavaScript(script, "");
}
// MAIN PROCESS PIPE EVENT LOOP
private async Task _processServerMessages(Stream stream)
{
var message = await readObjectAsync(stream);
if (message == null)
{
return;
}
if (message.command == NKRemotingMessage.Command.NKevaluateJavaScript)
{
var _ = context.NKevaluateJavaScript(message.args[0], message.args[1]);
}
else if (message.command == NKRemotingMessage.Command.NKEvent)
{
var eventType = message.args[0];
NKEvent eventObject = new NKEvent((IDictionary <string, object>)(NKData.jsonDeserialize(message.args[1])));
NKEventEmitter.global.emit <NKEvent>(eventType, eventObject, false);
}
if (!cancelToken.IsCancellationRequested)
{
await _processServerMessages(stream);
}
else
{
return;
}
}
// Private JavaScript scripts and helpers
async private Task<object> evaluateExpression(string expression, bool retain = true)
{
if (retain)
{
var result = await _context.NKevaluateJavaScript(expression);
if (result != null)
{
var wrapped = wrapScriptObject(result);
return wrapped;
}
return null;
} else
{
return _context.NKevaluateJavaScript(expression);
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
host.NKevaluateJavaScript(JsInput.Text).ContinueWith(task =>
{
JsOutput.Text = JsOutput.Text + "\n> " + JsInput.Text + "\n" + task.Result;
JsOutput.UpdateLayout();
JsOutputScroll.ChangeView(null, double.MaxValue, null);
}, TaskScheduler.FromCurrentSynchronizationContext());
}
public void eject()
{
if (!injected)
{
return;
}
if (_context == null)
{
return;
}
_context.NKevaluateJavaScript(cleanup);
}