Ugh! Looks like this was a false alarm.
I went back through again to verify that 2.6 was configured correctly and
to reproduce this again, but this time is worked fine! The only difference
appears to be that I referenced a non-existent Gin 2.1.2 in my WEB-INF/lib
when the issues occurred. Putting that into place and rebuilding everything
appears to have solved this, somehow.
I haven't been able to get Gin 2.1.2 to work with GWT 2.5.1 so I've been
swapping between 2.1.1 and 2.1.2 while testing the different SDK versions.
On Thursday, January 16, 2014 7:24:33 PM UTC-5, Michael Prentice wrote:
>
> I've been testing my app with GWT 2.6rc4 today. I ran into an issue where
> I wasn't being prompted before navigating away from a presenter who
> returned non-null in mayStop(). This should be opening a native confirm
> dialog and asking the user OK/CANCEL. It works fine in GWT 2.5.1, but in
> 2.6rc4 it always returns false without ever prompting the user. I switched
> back to 2.5.1 without changing any code and it works as expected.
>
> I couldn't find anywhere on this group or the main GWT Google Group where
> changes to Window.confirm() were being discussed.
>
> The following code hasn't changed in a while. Looking through the recent
> history of the Window class, nothing really stands out that I could see.
>
> public static native boolean confirm(String msg) /*-{
> return $wnd.confirm(msg);
> }-*/;
>
> My code isn't really doing anything complicated, it is basically the
> following:
>
> boolean discardChanges = Window.confirm(myPresenter.mayStop());
>
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