private void HandleDomRequest(CefBrowser browser, CefProcessId sourceProcess, long frameIdentifier)
{
var scheduler = GetTaskScheduler(CefThreadId.Renderer);
Task.Factory.StartNew(
() =>
{
var frame = browser.GetFrame(frameIdentifier);
if (frame != null)
{
var visitor = new DomVisitor();
frame.VisitDom(visitor);
var response = CefProcessMessage.Create("dom-response");
response.SetFrameIdentifier(frame.Identifier);
if (visitor.Result != null)
{
response.Arguments.SetBool(2, true);
response.Arguments.SetString(3, visitor.Result.ToString());
}
else
{
response.Arguments.SetBool(2, false);
response.Arguments.SetString(3, visitor.Exception.ToString());
}
browser.SendProcessMessage(sourceProcess, response);
}
},
CancellationToken.None,
TaskCreationOptions.None,
scheduler);
}
private void UpdateDom(CefFrame frame)
{
var visitor = new DomVisitor(this);
// Note: Call is async. Will at some point lead to OnVisitDom a few lines down.
frame.VisitDom(visitor);
}