I wanted to know when the visibilitychange event was fired (ie: the browser
is minimised). I've coded it in JavaScript, as I couldn't see it being
supported in GWT:
private static native final String getVisibilityState() /*-{
> return document.visibilityState;
> }-*/;
> private static native final void listenForVisibliltyChange(Command
> onChange) /*-{
> document.addEventListener("visibilitychange", function() {
> onchan...@com.google.gwt.user.client.Command::execute(*)();
> }, false);
> }-*/;
I'm not sure if doing calls like this causes memory leaks or anything.
Please shout out if you know of any issues doing it this way.
Thanks.
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