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*[email protected] <[email protected]>,[email protected] <[email protected]>,[email protected] <[email protected]>*Explainer *None*Specification None. Not a standard feature. Summary Gesture Scroll DOM events, namely “gesturescrollstart”, “gesturescrollupdate” and “gesturescrollend” are non-standard APIs, which were added to Blink for use in plugins, but it appears they were also exposed to the web unintentionally. Plugins are no longer web-exposed since the deprecation of Google Native Client (NaCl). WebKit Bug: https://bugs.webkit.org/show_bug.cgi?id=92281 Changelog: https://bugs.webkit.org/attachment.cgi?id=155046&action=prettypatch Motivation Currently, this API doesn’t work in all situations. It only works when there is a *non-composited scroller*. These events are related to compositing state, and compositing state is not meant to have observable behavior impact and in Blink will vary depending on display type and other factors. Blink component Blink>Scroll <https://bugs.chromium.org/p/chromium/issues/list?q=component%3ABlink%3EScroll&can=2> TAG review TAG review status Not applicable Risks No other engine supports these events, so we do not expect interoperability issues. As for compatibility, usage data from Canary, Dev and Beta channels show that usage is very low, around 0.000015% (gesturescrollstart <https://chromestatus.com/metrics/feature/timeline/popularity/4220> gesturescrollupdate <https://chromestatus.com/metrics/feature/timeline/popularity/4221> gesturescrollend <https://chromestatus.com/metrics/feature/timeline/popularity/4222>). For this reason we would like to just remove it, without any deprecation period. Is this feature fully tested by web-platform-tests <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md> ? No Requires code in //chrome? False Tracking bug https://crbug.com/1293994 <https://bugs.chromium.org/p/chromium/issues/detail?id=1293994> Estimated milestones No milestones specified -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAASN_%3DmnFnKhp7WQNYiVztF%3Dhr1jpzSTo1x02nXZtysnO2GUMQ%40mail.gmail.com.
