[Webkit-unassigned] [Bug 158629] Focus event dispatched in iframe causes parent document to scroll incorrectly

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jun 10 12:59:15 PDT 2016


Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
                 CC|                            |simon.fraser at apple.com

--- Comment #1 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
We do have code that tries to suppress scrolling:

    // Focusing a form element triggers animation in UIKit to scroll to the right position.
    // Calling updateFocusAppearance() would generate an unnecessary call to ScrollView::setScrollPosition(),
    // which would jump us around during this animation. See <rdar://problem/6699741>.
    FrameView* view = document().view();
    bool isFormControl = view && is<HTMLFormControlElement>(*this);
    if (isFormControl)
    updateFocusAppearance(restorePreviousSelection ? SelectionRestorationMode::Restore : SelectionRestorationMode::SetDefault);
    if (isFormControl)

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