Intent to Experiment: Document picture-in-picture
Tommy Steimel
Contact emails
[email protected], [email protected], [email protected]Explainer
https://github.com/WICG/document-picture-in-picture/blob/main/README.mdSpecification
https://wicg.github.io/document-picture-in-pictureSummary
Document PiP adds a new API to open an always-on-top window that can be populated with arbitrary HTMLElements. This is an expansion upon the existing HTMLVideoElement API that only allows for an HTMLVideoElement to be put into a PiP window. This allows web developers to provide a better PiP experience to users.
Blink component
Blink>Media>PictureInPictureTAG review
https://github.com/w3ctag/design-reviews/issues/798TAG review status
PendingRisks
Interoperability and Compatibility
Gecko: No signal (https://github.com/mozilla/standards-positions/issues/670)
WebKit: No signal (https://github.com/WebKit/standards-positions/issues/41)
Web developers: Positive (https://discourse.wicg.io/t/proposal-document-picture-in-picture/5736/2?u=steimel) In addition to the linked comment, we have some signals from partners that this would be valuable, and are checking to see if they are OK making that public
Other signals:
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 since we are not enabling this API on Android
Goals for experimentation
We want to make sure the API is ergonomic/powerful enough to enable websites to provide the improved picture-in-picture experiences they've wanted to create (improved vs the existing video picture-in-picture API). We'll look at developer feedback for issues/limitations that we hadn't considered. We'll look at the usage of the CSS copying feature to see if it's actually useful and worth pursuing.
Reason this experiment is being extended
N/A
Ongoing technical constraints
None
Debuggability
The new methods and properties proposed in this spec will show up in autocomplete functionality (e.g. window.documentPictureInPicture). The enter event will support event listener breakpoints in the "Picture-in-Picture" category.
Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?
NoAt least initially, we're not supporting Android since the Android APIs don't easily support always-on-top windows with arbitrary interaction
Is this feature fully tested by web-platform-tests?
YesFlag name
Document Picture-in-Picture APIRequires code in //chrome?
TrueTracking bug
https://crbug.com/1269059Launch bug
https://crbug.com/1269059Estimated milestones
| OriginTrial desktop last | 115 |
| OriginTrial desktop first | 111 |
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5755179560337408Links to previous Intent discussions
Intent to prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGyVZ8L-SmBFbBMvvbm0x3TwZ66JQ1Fm7_zb3nSiBvYhXavAuA%40mail.gmail.comTommy Steimel
Note on the WebKit signal: They do have some concerns listed on the GitHub issue but no official position
Yoav Weiss
Note on the WebKit signal: They do have some concerns listed on the GitHub issue but no official position
On Monday, January 9, 2023 at 11:15:30 AM UTC-8 Tommy Steimel wrote:
Explainer
https://github.com/WICG/document-picture-in-picture/blob/main/README.mdSpecification
https://wicg.github.io/document-picture-in-pictureSummary
Document PiP adds a new API to open an always-on-top window that can be populated with arbitrary HTMLElements. This is an expansion upon the existing HTMLVideoElement API that only allows for an HTMLVideoElement to be put into a PiP window. This allows web developers to provide a better PiP experience to users.
Blink component
Blink>Media>PictureInPictureTAG review
https://github.com/w3ctag/design-reviews/issues/798
TAG review status
PendingRisks
Interoperability and Compatibility
Gecko: No signal (https://github.com/mozilla/standards-positions/issues/670)
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