NEW77915
Ensure viewport of sub-frame viewport works correctly when it becomes fullscreen 
https://bugs.webkit.org/show_bug.cgi?id=77915
Summary Ensure viewport of sub-frame viewport works correctly when it becomes fullscreen
Xianzhu Wang
Reported 2012-02-06 17:24:47 PST
Haven't verified if the current code can correctly handle the viewport attributes of a sub-frame when it becomes fullscreen. Open this bug to track the verification. (In #13 of https://bugs.webkit.org/show_bug.cgi?id=77387 Kenneth said: I also do not think that anyone considered this use case when combining the Fullscreen spec with CSS Device Adaption. The question is does the CSS Device Adaption spec apply to fullscreen iframe and even fullscreen elements as it now supports setting a viewport using CSS (which we do not support yet) )
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Frédéric Wang Nélar
Comment 1 2026-10-12 07:48:38 PDT
I'm not sure I understand what this bug is about. The specifications have changed a lot since 2012 so it's likely we have an answer now and maybe WebKit behaves correctly per the spec. Making this a blocker of bug 276855 to make sure we don't forget about it.
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