[Webkit-unassigned] [Bug 63550] New: SMIL endElement causes animation to jump to end state

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=63550

           Summary: SMIL endElement causes animation to jump to end state
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: timothy_horton at apple.com
                CC: zimmermann at kde.org


Created an attachment (id=98953)
 --> (https://bugs.webkit.org/attachment.cgi?id=98953&action=review)
Testcase

In WebKit, calling endElement on an SMIL animation causes the animation to jump to the end state. In Gecko and Opera, it causes the animation to pause in place, without jumping to the end state.

Steps to Reproduce:

1. Open the attached testcase.
2. Click the green button.
3. Click the red button.

Expected Outcome:

The circle stops moving and remains in its current location.

Actual Outcome:

The circle stops moving and jumps to the location it would be in had the animation run to completion.

There is a significant disparity between the way [Opera, Gecko] and WebKit handle this.

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