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Fix chrome opacity bug #1942

Merged
merged 2 commits into from
Jun 6, 2022
Merged

Fix chrome opacity bug #1942

merged 2 commits into from
Jun 6, 2022

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monshan
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@monshan monshan commented Jun 3, 2022

Problem:

Shepherd modal shows opaque (black) background at load in Chrome (not observed in other browsers), but returns to 50% opacity at scroll

Findings:

  • Isolated to the .shepherd-modal-overlay-container.shepherd-modal-is-visible css block
  • Removing the transition specifications returns to expected 50% opacity at load
  • Looked into handling for css transitions in the more recent versions of chrome

Solution:

  • Add transform to css selector to force hardware accelerated transition with value of 0 to have no visual effect other than forcing the hardware transition

Closes #1941

@monshan monshan requested a review from RobbieTheWagner June 3, 2022 21:01
@monshan monshan linked an issue Jun 3, 2022 that may be closed by this pull request
@monshan monshan changed the title Fix #1941 fix #1941 Jun 3, 2022
@monshan monshan changed the title fix #1941 Fix chrome opacity bug Jun 3, 2022
@monshan monshan added the bug label Jun 3, 2022
@@ -231,6 +231,7 @@
height: 100vh;
opacity: 0.5;
transition: all 0.3s ease-out, height 0s 0s, opacity 0.3s 0s;
-webkit-transform: translateZ(0);
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Suggested change
-webkit-transform: translateZ(0);
transform: translateZ(0);

@monshan I wonder if we can use just normal transform here? Not sure we need the webkit prefix anymore. Did you test this fix and it fixed the issue?

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@rwwagner90 yes when I did the dev build with this webkit prefix it worked for me, just tried the normal transform though and it also works. I'll re-commit shortly 👍

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Background is opaque while popup is shown
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