[whatwg] Proposal for Links to Unrelated Browsing Contexts

Ian Hickson ian at hixie.ch
Tue Oct 2 00:16:30 PDT 2012

On Mon, 1 Oct 2012, Glenn Maynard wrote:
> >
> >  Primary goals:
> >  + have the new page use a different event loop if possible (new process)
> >  + have the window of the new page not be able to reach the opener via
> >     a named window.open() or target=""
> >
> > As a result, I think these are also necessary features:
> > ...
> >  + have the new page be in a new browsing context
> It doesn't seem like you need a new browsing context to achieve both of 
> the above.  (Maybe it's easier to implement in today's multi-process 
> browsers, if you happen to be opening a new tab at the same time you 
> start a new process, but that seems like an implementation detail.)

You need a new WindowProxy object, otherwise anything that had access to 
it before still has access, and thus can't be in a new event loop. Saying 
you need a new WindowProxy object is basically equivalent to saying you 
need a new browsing context.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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