resources/src/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 /*
  31  * SVG support using a transparent gradient to guarantee cross-browser
  32  * compatibility (browsers able to understand gradient syntax support also SVG).
  33  * http://pauginer.tumblr.com/post/36614680636/invisible-gradient-technique
  34  *
  35  * We use gzip compression, which means that it is okay to embed twice.
  36  *
  37  * We do not embed the fallback image on the assumption that the gain for old browsers
  38  * is not worth the harm done to modern ones.
  39  */
  40 .background-image-svg(@svg, @fallback) when (embeddable(@svg)) {
  41         background-image: url(@fallback);
  42         /* We don't need the !ie hack because this old IE uses the fallback already */
  43         background-image: -webkit-linear-gradient(transparent, transparent), embed(@svg);
  44         background-image: linear-gradient(transparent, transparent), embed(@svg);
  45 }
  46
  47 .background-image-svg(@svg, @fallback) when not (embeddable(@svg)) {
  48         background-image: url(@fallback);
  49         background-image: -webkit-linear-gradient(transparent, transparent), url(@svg);
  50         background-image: linear-gradient(transparent, transparent), url(@svg);
  51 }
  52
  53 /* Caution: Does not support localisable images */
  54 .list-style-image(@url) when (embeddable(@url)) {
  55         list-style-image: embed(@url);
  56         list-style-image: url(@url)!ie;
  57 }
  58
  59 .list-style-image(@url) when not (embeddable(@url)) {
  60         list-style-image: url(@url);
  61 }
  62
  63 .transition(@value) {
  64         -webkit-transition: @value;
  65         -moz-transition: @value;
  66         -o-transition: @value;
  67         transition: @value;
  68 }
  69
  70 .box-sizing(@value) {
  71         -webkit-box-sizing: @value;
  72         -moz-box-sizing: @value;
  73         box-sizing: @value;
  74 }
  75
  76 .box-shadow(@value) {
  77         -webkit-box-shadow: @value; // Android 2.3+, iOS 4.0.2-4.2, Safari 3-4
  78         box-shadow: @value; // Chrome 6+, Firefox 4+, IE 9+, iOS 5+, Opera 10.50+
  79 }