On Thu, May 7, 2009 at 5:25 PM, Darin Adler <[email protected]> wrote: > On May 7, 2009, at 4:56 PM, Jeremy Orlow wrote: > > I'm continuing to work on https://bugs.webkit.org/show_bug.cgi?id=25376 and >> noticed that the map of origins to localStorageAreas is owned by the >> PageGroup class. I'm having a bit of trouble understanding what exactly >> page groups are used for. >> > > PageGroup exists so you can have multiple web pages in a single application > that share state, including frame namespace, such as the multiple windows > and tabs in Safari. > > Separate page groups allow other web views to be separate, allowing the > same application to use WebKit for things that should be isolated from web > browsing; for example Safari on Windows uses web views for things like > Preferences and text input. > > This is exposed as part of the WebKit API on Mac OS X, with the > setGroupName: method. > > It may be a useless concept for Chromium but it’s critical on Mac OS X.
Didn't mean to imply they were useless, at all. Was just trying to understand their use. Thanks! J
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