[Webkit-unassigned] [Bug 147211] New: AX: AccessibilityNodeObject::childrenChanged() generates too many AXLiveRegionChanged notifications

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=147211

            Bug ID: 147211
           Summary: AX: AccessibilityNodeObject::childrenChanged()
                    generates too many AXLiveRegionChanged notifications
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: n_wang at apple.com
                CC: webkit-bug-importer at group.apple.com

Some websites like Facebook will recalculate the live region layout while navigating through VoiceOver, and causing WebKit to post tens of thousands of AXLiveRegionChanged notifications within second. This will make the VO hang for a long time.

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