Bug 212534
| Summary: | Event regions are wrong in the scrolled contents layer | ||
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| Product: | WebKit | Reporter: | Simon Fraser (smfr) <simon.fraser> |
| Component: | UI Events | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | dbates, koivisto, simon.fraser |
| Priority: | P2 | ||
| Version: | Safari Technology Preview | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| See Also: | https://bugs.webkit.org/show_bug.cgi?id=212545 | ||
Simon Fraser (smfr)
The event region in the scrolled contents layer covers only the visible part, meaning that if you swipe then tap before we've done layout/rendering update, you get the wrong region types.
RenderBlock::paintObject() uses:
auto borderRect = LayoutRect(paintOffset, size());
which is obviously wrong for the contents of scrolled overflow.
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