resources/mediawiki.less/mediawiki.mixins.less

   1 /**
   2  * Common LESS mixin library for MediaWiki
   3  *
   4  * By default the folder containing this file is included in $wgResourceLoaderLESSImportPaths,
   5  * which makes this file importable by all less files via '@import "mediawiki.mixins";'.
   6  *
   7  * The mixins included below are considered a public interface for MediaWiki extensions.
   8  * The signatures of parametrized mixins should be kept as stable as possible.
   9  *
  10  * See <http://lesscss.org/#-mixins> for more information about how to write mixins.
  11  */
  12
  13 .background-image(@url) when (embeddable(@url)) {
  14         background-image: embed(@url);
  15         background-image: url(@url)!ie;
  16 }
  17
  18 .background-image(@url) when not (embeddable(@url)) {
  19         background-image: url(@url);
  20 }
  21
  22 .vertical-gradient ( @startColor: gray, @endColor: white, @startPos: 0, @endPos: 100% ) {
  23         background-color: @endColor;
  24         background-image: -moz-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Firefox 3.6+
  25         background-image: -webkit-gradient( linear, left top, left bottom, color-stop( @startPos, @startColor ), color-stop( @endPos, @endColor ) ); // Safari 4+, Chrome 2+
  26         background-image: -webkit-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Safari 5.1+, Chrome 10+
  27         background-image: linear-gradient( @startColor @startPos, @endColor @endPos ); // Standard
  28 }
  29
  30 /* Note gzip compression means that it is okay to embed twice */
  31 /* http://pauginer.tumblr.com/post/36614680636/invisible-gradient-technique */
  32 .background-image-svg(@svg, @fallback) {
  33         background-image: url(@fallback);
  34         /* SVG support using a transparent gradient to guarantee cross-browser
  35          * compatibility (browsers able to understand gradient syntax support also SVG) */
  36         /* @embed */ background-image: -webkit-linear-gradient(transparent, transparent), url(@svg);
  37         /* @embed */ background-image: linear-gradient(transparent, transparent), url(@svg);
  38 }
  39
  40 /* Caution: Does not support localisable images */
  41 .list-style-image(@url) when (embeddable(@url)) {
  42         list-style-image: embed(@url);
  43         list-style-image: url(@url)!ie;
  44 }
  45
  46 .list-style-image(@url) when not (embeddable(@url)) {
  47         list-style-image: url(@url);
  48 }
  49
  50 .transition(@string) {
  51         -webkit-transition: @string;
  52         transition: @string;
  53 }