TPAC F2F November 2017

• Host: W3C
• Date: Thursday, November 9th, 2017 (after the CSS WG meeting https://wiki.csswg.org/planning/tpac-2017)
• Time: ???
• Remote participation: ??? (would be good for folks in NZ | SYD who are not otherwise coming to TPAC)

Meeting Minutes

Location

Burlingame, CA, USA at the Hyatt Regency SFO

Participants (alpha by first name)

• Alan Stearns (for at least some of the day)
• Chris Lilley
• Emil A Eklund
• fantasai
• Francois Remy
• L. David Baron (though maybe in AC meeting instead starting at 15:00)
• Lea Verou
• Naina Raisinghani
• Peter Linss
• Rossen Atanassov
• Simon Fraser
• Tantek Çelik (strongly prefer Thursday morning, conflict: AC meeting Thursday afternoon)
• Greg Whitworth
• Xidorn Quan

Proposed Topics

Properties and Values

1. What is the computed value of a in the middle of a layout dependent matrix decomposed interpolation? https://github.com/w3c/css-houdini-drafts/issues/425
2. var() references to type properties with font-relative lengths https://github.com/w3c/css-houdini-drafts/issues/315
3. define how typed custom properties influence @supports https://github.com/w3c/css-houdini-drafts/issues/118

Typed OM

1. Font Family Name doesn't uniquely identify a font face (https://github.com/w3c/css-houdini-drafts/issues/405)
2. Spec up ColorValue (https://github.com/w3c/css-houdini-drafts/issues/159)
3. What should CSSNumericValue.type() do? (https://github.com/w3c/css-houdini-drafts/issues/482)
4. APIs not exposed in Worklets (https://github.com/w3c/css-houdini-drafts/issues/237)
5. Add spec text for arraylike in CSSTransformValue
   • this is blocked by: heycam/webidl#345
   • Add spec text for arraylike in CSSTransformValue
6. Simplifying expressions in CSSMathValue subclasses (https://github.com/w3c/css-houdini-drafts/issues/503)
7. Do CSSMathValue subclasses copy their constructor arguments? (https://github.com/w3c/css-houdini-drafts/issues/494)

Custom Layout

Custom Paint

1. [worklets] https://github.com/w3c/css-houdini-drafts/pull/472
2. [worklets] restrict worklets to SecureContexts https://github.com/w3c/css-houdini-drafts/issues/505

Animation Worklet