Commits on Sep 5, 2018

1. style: Make <svg:use> in shadow tree apply the rules from the origina… …

   …ting tree.
   
   Differential Revision: https://phabricator.services.mozilla.com/D4674

   

   emilio committed Sep 5, 2018
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2. style: Make the author styles disabled stuff actually disable style a… …

   …ttribute, animations, and XBL rules.
   
   This also removes one of my FIXMEs from when I was looking at this code.
   
   We don't seem to have a pre-existing test for this feature, sigh. I'll try to
   write one if I have cycles for it...
   
   Note that it not applying XBL rules is a feature, given the current state of
   affairs. Video controls and such are right now unusable with no styles enabled.
   
   Differential Revision: https://phabricator.services.mozilla.com/D4795

   

   emilio committed Sep 5, 2018
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   3f08d2c

3. style: Add a pref for |clip-path:path()|. …

   Add a preference, layout.css.clip-path-path.enabled, for |clip-path:path()|.
   
   Differential Revision: https://phabricator.services.mozilla.com/D4965

   

   BorisChiou authored and emilio committed Sep 5, 2018
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   cf6215c

4. style: Only no-op visited <-> unvisited changes. …

   Other changes should really be (and are) indistinguishable.
   
   Differential Revision: https://phabricator.services.mozilla.com/D4847

   

   emilio committed Sep 5, 2018
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   3e0250a

5. style: Use decomposition to interpolate matched perspective transform… …

   … operations.
   
   Looks like this produces sensible results for interpolation with 0, though I'm
   not really convinced about the results from, let's say, 1px to 2000px in the
   attached test-case, I would've expected a linear interpolation from that to go
   through normal length interpolation.
   
   css-transforms-1 says:
   
     > Two transform functions with the same name and the same number of arguments
     > are interpolated numerically without a former conversion. The calculated
     > value will be of the same transform function type with the same number of
     > arguments.
     >
     > Special rules apply to <matrix()>.
   
   Which is what we do... I was going to file a spec issue but turns out that it's
   already addressed in css-transforms-2:
   
     https://drafts.csswg.org/css-transforms-2/#interpolation-of-transform-functions
   
   Which says:
   
     > The transform functions <matrix()>, matrix3d() and perspective() get
     > converted into 4x4 matrices first and interpolated as defined in section
     > Interpolation of Matrices afterwards.
   
   Differential Revision: https://phabricator.services.mozilla.com/D4942

   

   emilio committed Sep 5, 2018

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