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--- spec:cssom [2010/08/17 03:32] – notes on cssom values anne
+++ spec:cssom [2014/12/09 15:48] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== CSS Object Model ======
+Editor's draft: http://dev.w3.org/csswg/cssom/
+===== General To Do =====
+  * CSSOM needs to define how Link:, <?xml-stylesheet?>, <link rel=stylesheet>, and <style> interact with the fetching algorithm, the event loop, and the parsers from HTML5.
+  * <?xml-stylesheet?> could do with a rewrite for integration with CSSOM; do 'load' and 'error' events fire on it?
+  * CSSOM should have a mechanism for taking elements full-screen
+  * it has been proposed that CSSOM have a mechanism for keeping track of when expensive-to-compute areas of the document (e.g. a canvas) are actually being rendered.
+    * Add a pair of events that fire when an element is hidden and unhidden
+    * Add a pair of events that fire when an element is scrolled into and out of the view
+===== Changes =====
 Transition scenarios the CSSOM has to cope with somehow:
- * Property changes into a longhand property. E.g. some css3 text stuff..? Sometimes this only partially happens. E.g. with 'overflow' the situation is weird iirc.
+  * Property changes into a longhand property. E.g. some css3 text stuff..? Sometimes this only partially happens. E.g. with 'overflow' the situation is weird iirc.
- * Property value changes into a comma-separated list. E.g. background-image: <uri> becomes background-image: <uri> [, <uri>]*.
+  * Property value changes into a comma-separated list. E.g. background-image: <uri> becomes background-image: <uri> [, <uri>]*.
- * Property value changes into accepting multiple component values. E.g. the 'cursor' property now takes <x> and <y> in addition to <uri>. 'overflow' now takes two values rather than one.
+  * Property value changes into accepting multiple component values. E.g. the 'cursor' property now takes <x> and <y> in addition to <uri>. 'overflow' now takes two values rather than one.
- * Property component value changes. E.g. <uri> becomes <image>.
+  * Property component value changes. E.g. <uri> becomes <image>.
+===== Author Requests =====
+==== new value based om ====
+Per #css 2011-11-01:
+Tab Atkins: "I know that there is demand for a new value based om that wouldn't be string-based. It's a popular author request that is currently done through libs like jQuery ... we know that there is a use-case in that area."
+David Baron: "Yes, i've seen author demand for this..."
+==== variants of computed style ====
+Per #css 2011-11-01:
+David Baron: "... as well as for variants of computed style ..."
+==== set of matched rules for an element ====
+Per #css 2011-11-01:
+David Baron: "... as well as some author demand for the set of matched rules for an element."