Intent to prototype: Screen Wake Lock API

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Vincent Hilla

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Sep 26, 2023, 11:48:04 AM9/26/23

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Summary:

The Screen Wake Lock API provides a way for websites to prevent devices from dimming or locking the screen. This is needed both to avoid web compat issues and to prevent websites from using more costly alternatives, like nosleep.js.

Bug: https://bugzil.la/1589554

Specification: https://www.w3.org/TR/screen-wake-lock/

Platform coverage: all

Preference: dom.screenwakelock.enabled, not landed yet

DevTools bug: n/a

Standards-positions discussion: https://github.com/mozilla/standards-positions/issues/210

Other browsers:

Blink: shipped since version 85, August 2020
WebKit: shipped since version 16.4, March 2023
See https://caniuse.com/wake-lock

Web-platform-tests:

https://wpt.live/screen-wake-lock/

Security & Privacy concerns: https://docs.google.com/document/d/1L2ppvkdLz-QVhZ_Fw6CV2ORgjKTlM8xATmPbCXVbCZo/edit?usp=sharing

Web designer / developer use-cases: https://www.w3.org/TR/wake-lock-use-cases/

Example: https://developer.mozilla.org/en-US/docs/Web/API/Screen_Wake_Lock_API#examples