On 9/20/17 3:18 PM, Mike Conley wrote:
it appears to be possible to have a non-visible but
active DocShell (despite the documentation [4]).
The documentation is kinda wrong. A simple example of an active but
non-visible docshell is a display:none iframe in the currently selected tab.
I shou
FWIW, our nsIDocument::VisibilityState() is updated when the docshell goes
active:
http://searchfox.org/mozilla-central/source/dom/base/nsIDocument.h#2855
http://searchfox.org/mozilla-central/source/dom/base/nsDocument.cpp#12504
http://searchfox.org/mozilla-central/source/dom/base/nsDocument.cpp#1
Hello dev-platform,
TL;DR: TabChild's don't seem to care about the nsIBaseWindow visibility
attribute that they implement. In fact, they often lie about it.
What should we do about that? What's the best way to detect and tell the
TabChild that it's visible or invisible?
Also, what's the differen
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