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- Keeps it in line with the correct TransitionState type - Separates out computeScrollHeightNext from computeScrollTopNext - Refactors copmuteScrollTopNext to use prev prefixed constants for all transitionFrom values to normalize the naming
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jeryj
commented
Dec 3, 2024
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| transitionToRef.current.scrollHeight = computeScrollHeightNext( | ||
| transitionFromRef.current, | ||
| transitionToRef.current | ||
| ); |
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On first render (previously), transitionToRef did not have a scrollHeight value.
| scaleValue: prevScale, | ||
| scrollTop, | ||
| scrollHeight, | ||
| scrollTop: prevScrollTop, |
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Renamed to keep naming consistent with all transitionFrom values having a prev prefix for clarity.
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| transitionFromRef.current.containerHeight = | ||
| transitionFromRef.current.containerHeight ?? | ||
| containerHeight; // Use containerHeight, as it's the previous container height value if none was set. |
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Using the transitionFromRef.current.containerHeight won't be as accurate, as it could have changed from a manual resize between animations. Relying on containerHeight will be more accurate.
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Size Change: +93 B (+0.01%) Total Size: 1.83 MB
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ajlende
reviewed
Dec 3, 2024
| scrollHeight * ( scaleValue / prevScale ) + | ||
| frameSize * 2 - | ||
| containerHeight; | ||
| const maxScrollTop = scrollHeight - containerHeight; |
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Nice! This is a lot more understandable after the refactoring!
ajlende
approved these changes
Dec 3, 2024
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Thanks for the fix! I have confirmed that the issue has been resolved on Windows OS. |
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Co-authored-by: jeryj <jeryj@git.wordpress.org> Co-authored-by: ajlende <ajlende@git.wordpress.org> Co-authored-by: t-hamano <wildworks@git.wordpress.org> Co-authored-by: matiasbenedetto <mmaattiiaass@git.wordpress.org>
michalczaplinski
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Co-authored-by: jeryj <jeryj@git.wordpress.org> Co-authored-by: ajlende <ajlende@git.wordpress.org> Co-authored-by: t-hamano <wildworks@git.wordpress.org> Co-authored-by: matiasbenedetto <mmaattiiaass@git.wordpress.org>
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Fixes #67360
What?
When animating between zoom levels, we were forcing a scrollbar during the
positioned: fixedpart of the animation to prevent a width snap. However, this assumes the container always has a scrollbar, which isn't true. To fix it, we only add the scrollbar into the frame if necessary.Why?
Improve layout animation when the editor canvas does not have a scrollbar.
How?
scrollHeightis greater than the container (if it is, we force a scrollbar)TransitionStatetype (previously,transitionTodid not have ascrollHeightbuttransitionFromdid.computeScrollHeightNextfromcomputeScrollTopNextcomputeScrollTopNextto useprevprefixed constants for alltransitionFromvalues to normalize the namingTesting Instructions
With scrollbar
With scrollbar
Testing Instructions for Keyboard
Screenshots or screencast