How to get readyState from GWT Frame object?

[elloalisboa]

I'm using GWT 2.3.0 in my project and I have an iframe and a loading
mask. When the iframe content (to be more specific, the content is a
PDF) is loaded I need to hide the loading mask.

I tried using:

Frame frame = new Frame("http://www.example.com/example.pdf";) {{
   addDomHandler(new LoadHandler() {
      public void onLoad(LoadEvent event) {
         loadingMask.setVisible(false);
      }
   }, LoadEvent.getType());
}};

and:

Frame frame = new Frame("http://www.example.com/example.pdf";) {
    @Override
    protected void onLoad() {
        super.onLoad();
        loadingMask.setVisible(false);
    }
};

Because of the content is a PDF, both codes don't work in IE.

Is there a way to get the readyState iframe property with GWT?

I would appreciate any feedback. Thanks for all.

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