rAF Aligned Mouse Events

Align continuous mouse events (mousemove, mousewheel) so that they occur close to requestAnimationFrame() as possible. Historical events can be accessed via getCoalescedEvents (see https://w3c.github.io/pointerevents/extension.html#extensions-to-the-pointerevent-interface)

Comments

https://groups.google.com/a/chromium.org/forum/#!topic/input-dev/Aqdge_cj060

Demo

• http://rbyers.github.io/event-timing.html

Documentation

• https://docs.google.com/document/d/1aM9AqyYuceRHOmsJZXFKcgi_D4jvFAymYvI36OEwIpI/edit#
• https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame
• https://developer.mozilla.org/en-US/docs/Web/Events/mousemove
• https://developer.mozilla.org/en-US/docs/Web/Events/wheel

Status in Chromium

Blink components: Blink>Input

Behind a flag (tracking bug) in:

• Chrome for desktop release 60
• Chrome for Android release 60
• Android WebView release 60

Consensus & Standardization

• Firefox: No public signals
• Edge: No public signals
• Safari: No public signals
• Web Developers: Mixed signals

Owner

• dtapuska@chromium.org

Last updated on 2018-02-05