** Description changed:

  Reduce the incidence of this happening by speculatively pre-cacheing the
- preview data.  This pre-cacheing should start as soon as the results
- finish loading into the screen, and should continue until the user exits
- the Dash, performs another search, or opens a preview.  When the user
- opens a preview, results subsequent to the preview should start pre-
- cacheing.
+ preview data.
  
  Note the pre-caching is very important to reduce the incidence of the
  user seeing the loading state.  All major browsers currently
  speculatively pre-cache content, so if we are  match user's expectations
  regarding speed of content display (shaped by using web browsers) this
  is something we really need to do.
+ 
+ ---------------------------
+ Desired solution:
+ 
+ 1. When the user opens a preview, results subsequent to the preview
+ should start pre-cacheing.
+ 
+ 2. Once a user has previewed one content item underneath a category
+ header, as long as the Dash remains open we continue to speculatively
+ cache the preview content for the other items under the category header
+ (even when the user returns to the results view).  The pre-caching stops
+ when a) the user closes the Dash b) the user previews the a result from
+ underneath another category header.  In this second case the Dash then
+ starts speculatively pre-cacheing the content from underneath this new
+ category header.

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https://bugs.launchpad.net/bugs/1062107

Title:
  Dash - Online preview content should be speculatively cached

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