[css-view-transitions-1] Refactor timings of updateCallbackDone and related
#9774
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khushalsagar
reviewed
Jan 8, 2024
css-view-transitions-1/Overview.bs
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| - If the promise was fulfilled, then return undefined. | ||
| 1. If |transition|'s [=ViewTransition/phase=] is "`done`", then [=resolve=] |transition|'s [=ViewTransition/update callback done promise=] with undefined. |
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Resolving multiple times is a no-op right?
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When would we resolve multiple times?
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Oh I guess if setting up the pseudo-elements fail... yea, https://tc39.es/ecma262/multipage/control-abstraction-objects.html#sec-promise-resolve-functions step 5
We might not even need the if, we can simply resolve and rely on that behavior. WDYT?
khushalsagar
approved these changes
Jan 9, 2024
css-view-transitions-1/Overview.bs
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| 1. [=Skip the view transition=] |transition| with |reason|. | ||
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| * If the promise was fulfilled, then [=activate view transition|activate=] |transition|. | ||
| Note: A task is queued here because the texture read back in [=capturing the image=] may be async, |
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Do you mind restoring the position of this note? Nicer to have this next to where we post the task. Otherwise its part of this sub-point which is less clearer.
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Note: this change is not a behavior change, but rather a clarification of existing expected behavior.
updateCallbackDoneis always resolved after the new state capture but before thereadypromise. (This is current behavior, but not explicit in the current spec).donephase.Closes #9762