Fix template part focus mode resizable editor height #43408
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talldan
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[Type] Regression
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Size Change: +36 B (0%) Total Size: 1.24 MB
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Mamaduka
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Aug 22, 2022
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| setHeight( iframe.contentDocument.body.scrollHeight ); | ||
| timeoutId = null; | ||
| }, 40 ); |
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Is 40 just an arbitrary delay here?
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It was 25 fps, but I've decided to change it to 30fps, which should be closer to requestAnimationFrame.
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Thanks for fixing this one, was really degrading the experience |
This was referenced Oct 21, 2022
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What?
Fixes #42226
It seems like #38855 switching the iframe to standards mode changed a few aspects of how the iframe behaves:
requestAnimationFramedoesn't work. I could see it would get triggered but the callback never called. Possibly it doesn't work until the document is ready. The code that sets the height was within arequestAnimationFramefor throttling, so that was the first issue. I've switched tosetTimeoutiframe.contentDocument.documentElement.scrollHeightalways seems to be whatever the pixel value is for100%height in standards mode. I've switched toiframe.contentDocument.body.scrollHeight.iframe.contentDocument.bodyisn't defined and an error is thrown.Testing Instructions
Adds an e2e test(I did write an e2e test for this, but it was too unstable, I couldn't find a way to wait for the focus mode to finish loading and resizing, it's now removed)Expected: the editable area should be the height of the content
In trunk: the editable area is the height of the viewport
Screenshots or screencast
Before
Kapture.2022-08-19.at.16.27.18.mp4
After
Kapture.2022-08-19.at.16.25.57.mp4