Contact emailsstei...@chromium.org, liber...@chromium.org

ExplainerNone

Specificationhttps://github.com/WICG/document-picture-in-picture/pull/117

Design docs
https://docs.google.com/document/d/1vtjK3iMEAjcfDCu-qZOYg2zAtTbhohmCX77T1Eu3usQ/edit?usp=sharing

Summary

This makes user activations in a document picture-in-picture window usable
inside its opener window and vice versa. This makes it more ergonomic to
use user-activation-gated APIs, since often event handlers in the document
picture-in-picture window are actually run in the opener's context, so the
opener's context needs access to the user gesture.


Blink componentBlink>Media>PictureInPicture
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EMedia%3EPictureInPicture>

TAG review
https://github.com/w3ctag/design-reviews/issues/798#issuecomment-2096837171

TAG review statusPending

Risks


Interoperability and Compatibility

None


*Gecko*: No signal (
https://github.com/mozilla/standards-positions/issues/670#issuecomment-2096824367
)

*WebKit*: No signal (
https://github.com/WebKit/standards-positions/issues/41#issuecomment-2096824691
)

*Web developers*: No signals

*Other signals*:

Ergonomics

This should improve the ergnomics of user-activation-gated APIs in document
picture-in-picture windows, as the website no longer needs to ensure that
the user gesture occurred in the same context as the code that is calling
the API.


Activation

N/A


Security

One potential risk is that the website could use the same gesture as two
gestures (by using it in the opener and in the picture-in-picture window).
We mitigate this by ensuring that consuming user activation in one uses it
in the other.


WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that
it has potentially high risk for Android WebView-based applications?

N/A


Debuggability

N/A


Will this feature be supported on all six Blink platforms (Windows, Mac,
Linux, ChromeOS, Android, and Android WebView)?No

Document picture-in-picture is only available on desktop platforms


Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?Yes

document-picture-in-picture/propagate-user-activation-from-opener.https.html
document-picture-in-picture/propagate-user-activation-to-opener.https.html


Flag name on chrome://flagsdocument-picture-in-picture-user-activation

Finch feature nameDocumentPictureInPictureUserActivation

Requires code in //chrome?False

Tracking bughttps://issues.chromium.org/331246719

Sample links
https://steimelchrome.github.io/document-pip/user-gesture.html

Estimated milestones
Shipping on desktop 126

Anticipated spec changes

Open questions about a feature may be a source of future web compat or
interop issues. Please list open issues (e.g. links to known github issues
in the project for the feature specification) whose resolution may
introduce web compat/interop risk (e.g., changing to naming or structure of
the API in a non-backward-compatible way).
N/A

Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5185710702460928?gate=5078256593403904

Links to previous Intent discussionsIntent to prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAE-AwApczWrtoZNMqtAJx-%2BNAxVF9Kqim2h1HBrAD3ukXTKgWA%40mail.gmail.com

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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