[wp-trac] [WordPress Trac] #33311: TB_window spinner should probably disappear when loading is done

[WordPress Trac]

#33311: TB_window spinner should probably disappear when loading is done
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 Reporter:  niklasbr     |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Plugins      |     Version:  4.2.4
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:  ui, javascript, administration,
                         |  performance
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Comment (by afercia):

 I can confirm that on old hardware the spinner causes very high CPU usage,
 until the thickbox modal is closed, especially when using Firefox but also
 with other browsers. On ''very'' old hardware the CPU usage can reach
 100%. Noticed while working on #33305 where I'm experimenting a callback
 on iframe load (Plugin detail modals use an iframe). I'd agree with
 @niklasbr that should probably be a built-in thickbox feature. Thickbox is
 not the only place where "persistent" spinners are used though.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33311#comment:1>
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