[Webkit-unassigned] [Bug 135628] New: TouchEvent listeners do not trigger from nodes created from different document

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Aug 5 16:42:52 PDT 2014


           Summary: TouchEvent listeners do not trigger from nodes created
                    from different document
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: iOS
        OS/Version: iOS 7.0
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Events
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dfreedm at google.com

If a node is created in a document that is not the main document (document.implementation.createHTMLDocument), has touch event listeners added, and then is added to the main document, those listeners do not trigger from touches.
The event listeners show up in the inspector, but the handler function is not called.
A synthetic event of the same name (touchstart, touchmove, touchend), will trigger the listener, as expected.
If the event listeners are added after the node is imported into the main document, then the listeners trigger as expected.

However, if a global touch listener is added, say to document.body, then the event listeners on the imported nodes trigger correctly.

This scenario is encountered when using a polyfill for <template>, and with native <template> in iOS 7 and iOS 8 respectively.
In addition, only touch listeners are affected by this, mouse listeners on the same nodes with trigger as expected.

Attached is a minimized repro case.

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