[Bug 17090] New: [Shadow]: Listening to specific nodes, distributed to insertion points is hard

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17090

           Summary: [Shadow]: Listening to specific nodes, distributed to
                    insertion points is hard
           Product: WebAppsWG
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Component Model
        AssignedTo: dglazkov@chromium.org
        ReportedBy: dglazkov@chromium.org
         QAContact: public-webapps-bugzilla@w3.org
            Blocks: 14978


Consider this use case:

* There is an insertion point, with zero or more nodes distributed into it
* User clicks on one of the items
* The event handler in shadow DOM subtree wants to know which item was
clicked on.

Our newly-implemented lower-boundary encapsulation logic will
dutifully prevent this from happening.

So currently, the only solution here is to register an event listener
on each node that's distributed to the insertion point.

This seems suboptimal, since it effectively leaks the functional
encapsulation (now you have to worry about cleaning up the event
listeners when the node is moved, etc.)

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Received on Thursday, 17 May 2012 19:34:01 UTC