Hi Blinkers,
https://html.spec.whatwg.org/multipage/browsers.html#fully-active
specifies what a fully active document is, and several specs check
whether a document is fully active in their algorithms.
WebKit has Document::isFullyActive(), which essentially implements
HTML's definition:
https://github.com/WebKit/WebKit/blob/ee5042294047abd231e9f86f623d48924cbc2309/Source/WebCore/dom/Document.cpp#L2976
We don't seem to have anything similar in Blink though, and as far as I
can see different parts of the code implement that check differently.
Some examples I've encountered so far:
- Check ExecutionContext::IsContextDestroyed()
- Check Document::IsActive()
- Check Document::IsActive() and Document::GetFrame()
- Check ExecutionContextLifecycleObserver::DomWindow() or
ExecutionContextClient::DomWindow() (and optionally check
DomWindow()->GetFrame too)
Is there a recommendation here?
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