[wp-trac] [WordPress Trac] #27423: Improve Media Modal UI at small-screen sizes

[WordPress Trac]

#27423: Improve Media Modal UI at small-screen sizes
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 Reporter:  gcorne        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.0
Component:  Media         |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:  ui, javascript
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Comment (by celloexpressions):

 Notes:
 - keyboard-arrow-navigation added in #23560 needs to know how many
 attachments are displayed per row so that it can set focus appropriately
 when using the up/down arrows. We need to sync this from the css, since it
 now changes in css based on viewport. *
 - touch scrolling doesn't work at all *
 - image-edit mode needs help. Yes, people will try to edit images on
 mobile.
 - Should display the selection of attachments instead of the edit-mode-
 toggle when more than one is selected. Still need to see the selection on
 mobile, and be able to get to the edit-selection mode and clear all. *
 - Always show an options-toggle button toggling the sidebar in collection-
 edit mode. *
 - Per IRC, no animation due to CSS animation performance on mobile
 browsers.
 - Lots of little bugs noted by rboren in IRC, largely related to auto-
 focusing.
 - Media grid will need some work separately once this is done, but this
 does have the side effect of improving it.

 . * things that should be addressed before a first-run goes in.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27423#comment:51>
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