Intent to Implement and Ship: Custom Web Notification timestamps

[Peter Beverloo]

Contact emails

pe...@chromium.org

Spec

https://notifications.spec.whatwg.org/#dom-notification-timestamp

Summary

The `timestamp` property on the Notification interface, and the NotificationOptions dictionary.

Motivation

Web Notifications on Android display the time at which they were created in their top-right corner.

However, this is not always appropriate. Consider an event that happened when the device was offline, or a meeting that's about to happen. The `timestamp` property enables developers to provide the time appropriate to what they notify for.

Note that we don't visually surface the time of a notification on desktop right now, but do use it to affect notification ordering. We may decide to surface it in the future.

Compatibility Risk

Firefox: Public support

Edge: No public signals

Safari: No public signals

Web developers: No public signals

Describe the degree of compatibility risk you believe this change poses

None.

Ongoing technical constraints

None. The full patch is available here:

https://codereview.chromium.org/1388483002/

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?

Yes - it will be supported visually on Android.

Yes - it will be considered for ordering on desktop, but won't surface in the UI yet.

No - not on WebView, given that the Notification API is not supported there yet.

OWP launch tracking bug

https://code.google.com/p/chromium/issues/detail?id=538720

Link to entry on the Chrome Platform Status

https://www.chromestatus.com/features/5899831990026240

Requesting approval to ship?

Yes

[TAMURA, Kent]

LGTM1.  A small straight-forward addition to the existing feature.

--

TAMURA Kent
Software Engineer, Google

[Philip Jägenstedt]

LGTM2

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[Dimitri Glazkov]

LGTM3.