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Stop using "browsing context" in the spec #362

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rakuco opened this issue Jul 5, 2023 · 3 comments · Fixed by #363
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Stop using "browsing context" in the spec #362

rakuco opened this issue Jul 5, 2023 · 3 comments · Fixed by #363
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rakuco commented Jul 5, 2023

Since whatwg/html#6315, the HTML spec suggests other specifications use "navigable" and associated concepts (along with Document) rather than "browsing context" in most cases. See also the notice in https://html.spec.whatwg.org/multipage/document-sequences.html#windows:

Modern specifications should avoid using the browsing context concept in most cases, unless they are dealing with the subtleties of browsing context group switches and agent cluster allocation. Instead, the Document and navigable concepts are usually more appropriate.

This specification references "browsing context" in https://w3c.github.io/screen-wake-lock/#the-request-method
@rakuco rakuco self-assigned this Jul 5, 2023
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I think in that request() algorithm we can simply remove the reference to "browsing context" since I believe that check is essentially a duplicate of the "is fully active" check in the next step. I don't think the browsing context being null is a specification concept and I assume the language was added to mirror checks in Blink for a null execution context..

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rakuco commented Jul 5, 2023

I don't think the browsing context being null is a specification concept

Per https://html.spec.whatwg.org/multipage/document-sequences.html#concept-document-bc it's at least possible, but I can't think of a case where a document is fully active and has a null browsing context. I think just removing that step from the algorithm like you said makes sense.

@rakuco rakuco mentioned this issue Jul 12, 2023
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rakuco commented Jul 12, 2023

For the record, I've filed whatwg/html#9509 to confirm that this step can be safely removed.

@rakuco rakuco mentioned this issue Jul 14, 2023
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rakuco pushed a commit that referenced this issue Jul 14, 2023
Remove browsing context check from WakeLock.request()
79d38db 
Since whatwg/html#6315, the HTML spec suggests other specifications use
"navigable" and associated concepts (along with Document) rather than
"browsing context" in most cases.

In this specific case, however, we can simply remove the step that checks if
`document`'s browsing context is null -- there is no case in which a
document is fully active _and_ has a null browsing context, as confirmed by
whatwg/html#9509.

Fixes #362.
rakuco pushed a commit that referenced this issue Jul 14, 2023
Remove browsing context check from WakeLock.request() (#363)
37cbcc2 
Since whatwg/html#6315, the HTML spec suggests other specifications use
"navigable" and associated concepts (along with Document) rather than
"browsing context" in most cases.

In this specific case, however, we can simply remove the step that checks if
`document`'s browsing context is null -- there is no case in which a
document is fully active _and_ has a null browsing context, as confirmed by
whatwg/html#9509.

Fixes #362.
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Remove browsing context check from WakeLock.request() w3c/screen-wake-lock
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