Make CaptureController derive from the EventTarget interface

Category: Miscellaneous
Type: Chromium catches up
Status: Enabled by default (Chrome 117)
Intent stage: Prepare to ship

Breaking change: No
Enterprise impact: None
Spec maturity: Working draft
Web Platform Tests: Yes

WPT details: https://chromium-review.googlesource.com/c/chromium/src/+/4542243

Summary

The CaptureController interface enables further manipulation of a screen capture session. In the future, it is expected that the events related to a capture session are dispatched on that controller. To be able to manage listeners for such events, the EventTarget methods are made available on CaptureController.

Standards & signals

Specification: https://w3c.github.io/mediacapture-screen-share/#dom-capturecontroller
Firefox: No signal
Safari: No signal
Web developers: Positive

Ecosystem

Web Platform Tests: https://wpt.fyi/results/?q=make-capturecontroller-derive-from-the-eventtarget-interface
Chrome Platform Showcase: https://chrome-platform-showcase.paulkinlan-ea.deno.net/features
GenDN reference: https://gendn.paulkinlan-ea.deno.net/features
chrome.dev demos search: https://www.google.com/search?q=site%3Achrome.dev+Make%20CaptureController%20derive%20from%20the%20EventTarget%20interface
MDN Web Docs: https://developer.mozilla.org/en-US/search?q=Make%20CaptureController%20derive%20from%20the%20EventTarget%20interface
Baseline status: https://webstatus.dev/?q=Make%20CaptureController%20derive%20from%20the%20EventTarget%20interface

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