loadurl blocks until page is loaded

src/AtomShell/main.js

@@ -23,7 +23,10 @@ handlers.eval = function(data, c) {
   }
 }
 
+var connection = {};
+
 var server = net.createServer(function(c) { //'connection' listener
+  connection = c;
   c.on('end', function() {
     app.quit();
   });
@@ -78,6 +81,15 @@ function createWindow(opts) {
   return win.id;
 }
 
+function load(opts) {
+  var win = windows[opts.id];
+  win.loadUrl(opts.url);
+  win.webContents.on("dom-ready", function() {
+      result = {type: 'callback', callback: opts.callback, result: opts.callback};
+      connection.write(JSON.stringify(result));
+  });
+}
+
 function evalwith(obj, code) {
   return (function() {
     return eval(code);

src/AtomShell/window.jl

@@ -1,5 +1,5 @@
 using ..Blink
-import Blink: js, jsstring, id
+import Blink: js, jsstring, id, callback!
 import Base: position, size
 
 export Window, flashframe, shell, progress, title,
@@ -93,8 +93,12 @@ floating(win::Window, flag) =
 floating(win::Window) =
   @dot win isAlwaysOnTop()
 
-loadurl(win::Window, url) =
-  @dot win loadUrl($url)
+function loadurl(win::Window, url)
+  id,cb = callback!()
+  opts = @d(:callback=>id,:id=>win.id,:url=>url)
+  @js_ shell(win) load($opts)
+  wait(cb,5,msg="Loading URL timed out")
+end
 
 loadfile(win::Window, f) =
   loadurl(win, "file://$f")