csharp_xulrunner_host_interface.js

// c# / xulrunner host call interface [for geckofx-1.9, xulrunner-1.9.1.3]
// allows arb. calls to window.host.SomeMethod() to be marshaled to the host.

var last_host_call = 0;
window.host = { __noSuchMethod__: function(id, xs)
	{
		/* host bridge for gecko-1.9.1 / geckofx-1.9.0 */

		/* set up the args object */
		$("callinfo").remove();
		var callinfo = $.tag("callinfo");
		callinfo.attr("funcname", id);
		callinfo.attr("argc", xs.length);
		for (var i = 0; i < xs.length; i++)
			callinfo.attr("arg_" + i, xs[i]);
		$("#main").append(callinfo);

		/* make the call: we use the doc title to make host calls because 
		it's otherwise not used with our frame */
		document.title = "host_call_" + (last_host_call++);

		/* fetch the result */
		return callinfo.attr("retval");
	}
};