- From: Boris Zbarsky <bzbarsky@MIT.EDU>
- Date: Fri, 01 Jul 2011 15:13:24 -0400
- To: David Flanagan <dflanagan@mozilla.com>
- CC: public-webapps <public-webapps@w3.org>
On 7/1/11 3:05 PM, David Flanagan wrote: > I don't think I really explained my use case on this list. See > https://bugzilla.mozilla.org/show_bug.cgi?id=641821#c23 and > https://bugzilla.mozilla.org/show_bug.cgi?id=641821#c25 And https://bugzilla.mozilla.org/show_bug.cgi?id=641821#c26 please.... > Similarly, I've found it important to > be able to distinguish between nodes that are being removed from a > document tree and nodes that are being moved within the document tree, Interesting, given that Gecko's DOM implementation does NOT make such a distinction at the moment. Why did you find this to be important? > Implementations will presumably maintain one list of all current > mutations, and then will have to filter that list to deliver only those > that match the desired type and desired subtree for which a listener is > registered. That's unclear. Maintaining this list (if it were done) sounds very expensive; in Gecko's case we're more likely to drop on the floor the ones which have no registered listeners. -Boris
Received on Friday, 1 July 2011 19:13:53 UTC