/**
* Request a callback from the browser.
* <p>
* The returned result will be the result of running eval on the js code
* in the parent browser.
* <p>
* The return is: var value = js; return value;
* <p>
* A typical js call might be:
* <pre>
* (function() { return "hello world"; })();
* </pre>
*/
public void Invoke(string js, AsyncBrowserCallback callback)
{
InitMessenger();
var id = key;
++key;
_messenger.Add(id, callback);
var cmd = String.Format("var rvalue = {0}; var u = GetUnity(); u.SendMessage('{1}', 'Message', '{2}!'+rvalue);", js, NAME, id);
Application.ExternalEval(cmd);
}
/** Add a callback to invoke when it happens */
public void Add(int id, AsyncBrowserCallback callback)
{
_callbacks[id] = callback;
}
