[wp-trac] [WordPress Trac] #27389: MCE Views for Audio/Video

[WordPress Trac]

#27389: MCE Views for Audio/Video
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 Reporter:  wonderboymusic  |       Owner:
     Type:  task (blessed)  |      Status:  reopened
 Priority:  normal          |   Milestone:  3.9
Component:  Media           |     Version:  trunk
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:  javascript
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Comment (by wonderboymusic):

 [attachment:27389.combined.diff 27389.combined.diff] combines the patches.
 As far as memory management goes, TinyMCE itself leaks memory. My initial
 profiling ([attachment:empty-editor.png empty-editor.png]) was done
 against an empty Visual editor, each additional profile was done by going
 from Visual-Text-Visual then taking another snapshot. The second set of
 snapshots ([attachment:one-audio.png one-audio.png]) was done with one
 audio player in the editor. I did some other tests with 21 players in the
 editor and the ratios were the same.

 My code in the patch ensures that MediaElement's cleanup routine is run on
 every player when TinyMCE rebuilds itself, even when multiple players are
 bound to the same view - this happens when duplicate shortcodes exists. I
 tested this with 20 players, 7 being the exact same.

 On page load, the players are initialized after a 500ms timeout to ensure
 that the stylesheets are loaded. Subsequent builds happen after a 10ms
 refresh. The broken looking players in FF were due to a race condition
 with the editor stylesheet.

 The patch also contains @gcorne's view refresh fixes in `wp.mce.View`

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Ticket URL: <https://core.trac.wordpress.org/ticket/27389#comment:25>
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