- From: Ojan Vafai <ojan@chromium.org>
- Date: Mon, 29 Jun 2009 18:37:31 -0700
On Tue, Jun 2, 2009 at 11:38 PM, Ian Hickson <ian at hixie.ch> wrote: > On Fri, 3 Apr 2009, Ojan Vafai wrote: > > > > I'm suggesting an addition to cross-domain (i)frames that allows > > scrolling specific content into view. The use case is sites that > > aggregate data from many sites (e.g. search engines) and want to display > > that data in an iframe. They can load the page in an iframe, but they > > have no way to make the content visible as they don't have access to the > > iframe's contents. > > > > A few possible APIs come to mind. I personally prefer the javascripty > > option below, but I'll include another one for good measure. > > > > 1) Add a scrollPathIntoView (with a better name) on iframes that takes > > either an xpath or a css selector and scrolls the specified item into > > view. If no such item exists, it does nothing. If one or more such items > > exist, it calls scrollIntoView on the first matching item. > > > > 2) Add a css or xpath expression to fragment identifiers. Tthe iframe > > src can be set to http://foo.com#css(.foo <http://foo.com/#css(.foo> > > #bar). Same as above applies. If there's no match, it's a noop. If there > > is a match, it scrolls the first one into view. > > > > In both cases, no explicit success or failure is returned to the caller > > as that would leak the iframes DOM across domains. > > > > This API can obviously be supported on same-domain iframes as well, but > > it's not really necessary since you can just dig into the DOM of the > > iframe. > > On Mon, 6 Apr 2009, Jonas Sicking wrote: > > > > From my point of view I'm not sure how interesting this whole feature > > is. We had support in firefox for XPointer for many years and saw little > > to no uptake. I'm not sure if anyone complained when we removed the > > support even (which would be pretty remarkable). > > It seems that with such an API and with some careful timing measurements, > you could determine the contents of a foreign iframe. I'm not sure that's > a good idea. Can you expand on what you mean a bit? I'd like to see if there's still a way we can meet the use-case. > I tried to come up with some alternative solutions, but I really haven't > been very successful. > > -- > Ian Hickson U+1047E )\._.,--....,'``. fL > http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. > Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.' > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.whatwg.org/pipermail/whatwg-whatwg.org/attachments/20090629/27570d42/attachment.htm>
Received on Monday, 29 June 2009 18:37:31 UTC