Hi,
I'm reading through this excellent article about supporting jsonp in
our gwt apps:
http://code.google.com/webtoolkit/articles/using_gwt_for_json_mashups.html
I'm not that familiar with javascript, and the following function is
worrying me:
public native static void setup(Hax0r h, String callback) /*-{
$wnd[callback] = function(someData) {
[email protected]::handle(Lcom/google/gwt/
core/client/JavaScriptObject;)(someData);
}
}-*/;
so will:
$wnd[callback] = ....;
ever get cleaned up? The rest of the functions in the article don't
appear to be pruning $wnd[]. I'm not familiar with javascript and am
wondering if this is a concern. To me it looks like we'd build up a
huge array of functions. Should we be doing something like:
$wnd[callback] = null;
or
remove($wnd[callback]);
after the handler is finished running? Won't this array grow forever?
I think the author does say this is only a proof on concept and
cleanup is out of scope for this article. Are there any reusable JSONP
wrappers we can use with GWT?
Thanks
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