Bug 223775 – Propagate user gestures through `requestAnimationFrame` just like `setTimeout`

• Component: New Bugs
• Status: RESOLVED FIXED

[Devin Rousso]

`setTimeout` and `requestAnimationFrame` are used somewhat interchangeably on the web. There should be similar features/"affordances" for both so that if a developer decides to use a display-linked animation "loop" instead of a strictly time-based one they're able to do similar things in the callback/handler.

[Radar WebKit Bug Importer]

<rdar://problem/75860868>

[Devin Rousso]

Created attachment 424298 [details]
Patch

[Devin Rousso]

Created attachment 424311 [details]
Patch

[Geoffrey Garen]

Comment on attachment 424311 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=424311&action=review

r=me

> Source/WebCore/ChangeLog:10
> +        There should be similar features/"affordances" for both so that if a developer decides

No need to scare-quote affordances -- this is an affordance.

> Source/WebCore/dom/ScriptedAnimationController.cpp:170
> +        if (userGestureTokenToForward && userGestureTokenToForward->hasExpired(UserGestureToken::maximumIntervalForUserGestureForwarding))
> +            userGestureTokenToForward = nullptr;
> +        UserGestureIndicator gestureIndicator(userGestureTokenToForward);

Not new in this patch, but it would be nice (perhaps in a follow-up patch) if the UserGestureIndicator constructor checked the token for expiration, and automatically set the null user gesture state in that case. That could eliminate some boilerplate code and, more importantly, make it impossible to construct an invalid user gesture state.

[Devin Rousso]

Comment on attachment 424311 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=424311&action=review

>> Source/WebCore/ChangeLog:10
>> +        There should be similar features/"affordances" for both so that if a developer decides
> 
> No need to scare-quote affordances -- this is an affordance.

heh very true :P

will remove :)

>> Source/WebCore/dom/ScriptedAnimationController.cpp:170
>> +        UserGestureIndicator gestureIndicator(userGestureTokenToForward);
> 
> Not new in this patch, but it would be nice (perhaps in a follow-up patch) if the UserGestureIndicator constructor checked the token for expiration, and automatically set the null user gesture state in that case. That could eliminate some boilerplate code and, more importantly, make it impossible to construct an invalid user gesture state.

ooo good idea!  I'll create a followup :)

[Devin Rousso]

Created attachment 424588 [details]
Patch

[EWS]

ChangeLog entry in LayoutTests/ChangeLog contains OOPS!.

[Devin Rousso]

Created attachment 424591 [details]
Patch

oops forgot about the LayoutTests changelog 😅

[EWS]

Committed r275187: <https://commits.webkit.org/r275187>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 424591 [details].

[Sam Sneddon [:gsnedders]]

*** Bug 227671 has been marked as a duplicate of this bug. ***