[wp-trac] [WordPress Trac] #24859: Media Library does not have a loading indicator

[WordPress Trac]

#24859: Media Library does not have a loading indicator
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 Reporter:  jeffr0                   |       Owner:
     Type:  enhancement              |      Status:  new
 Priority:  normal                   |   Milestone:  3.9
Component:  Media                    |     Version:  3.5
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-refresh  |     Focuses:  javascript
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Comment (by gcorne):

 Spurred by a chat with @kadamwhite, I think that I came up with a simpler
 solution as seen in [attachment:24859.3.diff 24859.3.diff].

 Instead of binding to a global event bus, we can leverage the existing
 {{{updateContent()}} method, which is already bound to the main collection
 events. This seems better because the spinner will only show for the
 duration of the initial ajax request that populates the the initial set of
 attachments. I also incorporated a delay of 600ms before showing the
 spinner. The thinking is that showing the spinner anytime there is a query
 would leave the user feeling that the browser is slower than it really is.

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Ticket URL: <https://core.trac.wordpress.org/ticket/24859#comment:21>
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