Thanks your answers.
I now have another question... The code below displays a confirmation
to leave the page with button "ok" (the close action completes) and
"cancel" (stop the close event). How do I know which button the user
actually clicked on? Is there a way to assign a callback function to
process user's selection?
I would like to clean up the session if and only if the user actually
exits the browser window... Thanks
Window.addWindowClosingHandler(new ClosingHandler() {
public void onWindowClosing(ClosingEvent event) {
event.setMessage("Really want to
leave?");
}
});
On Oct 9, 3:19 pm, Chris Ramsdale <cramsd...@google.com> wrote:
> Brian is correct, have your application implement Window.ClosingHandler
> and/or Window.CloseHandler in order to do any clean up work when the user
> navigates away from your site.
> Keep in mind that:1. These events are called when the user closes the
> browser or tab as well as when the user navigates away from your site.)
> 2. No user-interface components may be displayed during this event (see link
> below).
>
> Instead of displaying UI during close, you may want to consider cleaning up
> any session data and having the user re-authenticate when they return.
>
> ClosingHandler interface
> JavaDoc:http://google-web-toolkit.googlecode.com/svn/javadoc/1.6/com/google/g...
>
> - Chris
>
> On Wed, Oct 7, 2009 at 3:17 PM, Brian Blain <bbla...@gmail.com> wrote:
>
> > Maybe Window.addWindowClosingHandler or Window.addCloseHandler
>
> > On Oct 7, 11:35 am, francescoNemesi <nem...@yahoo.com> wrote:
> > > Hi,
>
> > > is there a way to listen to a browser window or unload event? I want
> > > to force a logout (to clean up session memory on the server as well as
> > > much as I can on the client) if the user forgets to logout explicitly
> > > before closing the browser or navigating to another page.
>
> > > Thanks,
> > > F
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