Boris Zbarsky wrote:
> On 9/25/12 7:54 AM, Paul Rouget wrote:
> >let win = gBrowser.contentWindow;
> >let gIOService =
> >Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
> >let windowUtils =
> >win.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIDOMWindowUtils);
> >let uri = gIOService.newURI('data:text/css,@namespace
> >url("http://www.w3.org/1999/xhtml";);@namespace xul
> >url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";);html
> >xul|scrollbar {display:none}', null, null);
> >windowUtils.loadSheet(uri, windowUtils.AGENT_SHEET);
> >
> >But it doesn't appear to work.
> >
> >Any idea?
>
> This should work for non-root scrollbars.
>
> The problem with the root scrollbars is that they're outside the
> root element's primary frame. When you add a stylesheet, we post a
> restyle event on the root element. When this is processed we
> restyle that element and all its descendants. But as I said, the
> scrollbars are actually _siblings_ of the root element, so don't get
> restyled.
>
> We could try to change this on the Gecko side, but it might be
> simpler (though making the operation slightly slower) for you to
> just force a root frame reconstruct. Either remove and reinsert the
> documentElement or set the relevant <browser> to display:none,
> flush, and then set it back to its normal display value....
Thank you. It works: http://pastebin.mozilla.org/1842209
-- Paul
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