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 /* Caution: Does not support localisable images */
  23
  24 .list-style-image(@url) when (embeddable(@url)) {
  25         list-style-image: embed(@url);
  26         list-style-image: url(@url)!ie;
  27 }
  28
  29 .list-style-image(@url) when not (embeddable(@url)) {
  30         list-style-image: url(@url);
  31 }
  32
  33 .vertical-gradient(@startColor: gray, @endColor: white, @startPos: 0, @endPos: 100%) {
  34         background-color: @endColor;
  35         background-image: -moz-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Firefox 3.6+
  36         background-image: -webkit-gradient( linear, left top, left bottom, color-stop( @startPos, @startColor ), color-stop( @endPos, @endColor ) ); // Safari 4+, Chrome 2+
  37         background-image: -webkit-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Safari 5.1+, Chrome 10+
  38         background-image: linear-gradient( @startColor @startPos, @endColor @endPos ); // Standard
  39 }
  40
  41 /*
  42  * SVG support using a transparent gradient to guarantee cross-browser
  43  * compatibility (browsers able to understand gradient syntax support also SVG).
  44  * http://pauginer.tumblr.com/post/36614680636/invisible-gradient-technique
  45  *
  46  * We use gzip compression, which means that it is okay to embed twice.
  47  *
  48  * We do not embed the fallback image on the assumption that the gain for old browsers
  49  * is not worth the harm done to modern ones.
  50  */
  51 .background-image-svg(@svg, @fallback) when (embeddable(@svg)) {
  52         background-image: url(@fallback);
  53         /* We don't need the !ie hack because this old IE uses the fallback already */
  54         background-image: -webkit-linear-gradient(transparent, transparent), embed(@svg);
  55         background-image: linear-gradient(transparent, transparent), embed(@svg);
  56 }
  57
  58 .background-image-svg(@svg, @fallback) when not (embeddable(@svg)) {
  59         background-image: url(@fallback);
  60         background-image: -webkit-linear-gradient(transparent, transparent), url(@svg);
  61         background-image: linear-gradient(transparent, transparent), url(@svg);
  62 }
  63
  64 /*
  65  * Caution: Does not support localisable images
  66  *
  67  * SVG support using a transparent gradient to guarantee cross-browser
  68  * compatibility (browsers able to understand gradient syntax support also SVG).
  69  * http://pauginer.tumblr.com/post/36614680636/invisible-gradient-technique
  70  *
  71  * We use gzip compression, which means that it is okay to embed twice.
  72  *
  73  * We do not embed the fallback image on the assumption that the gain for old browsers
  74  * is not worth the harm done to modern ones.
  75  */
  76 .list-style-image-svg(@svg, @fallback) when (embeddable(@svg)) {
  77         list-style-image: url(@fallback);
  78         /* We don't need the !ie hack because this old IE uses the fallback already */
  79         list-style-image: -webkit-linear-gradient(transparent, transparent), embed(@svg);
  80         list-style-image: linear-gradient(transparent, transparent), embed(@svg);
  81 }
  82
  83 .list-style-image-svg(@svg, @fallback) when not (embeddable(@svg)) {
  84         list-style-image: url(@fallback);
  85         list-style-image: -webkit-linear-gradient(transparent, transparent), url(@svg);
  86         list-style-image: linear-gradient(transparent, transparent), url(@svg);
  87 }
  88
  89 .transition(@value) {
  90         -webkit-transition: @value; // Safari 3.1-6.0, iOS 3.2-6.1, Android 2.1-4.3
  91         -moz-transition: @value; // Firefox 4-15
  92         -o-transition: @value; // Opera 10.5-12.0
  93         transition: @value; // Chrome 26+, Firefox 16+, IE 10+, Safari 6.1+, Opera 12.1+, iOS 7+, Android 4.4+
  94 }
  95
  96 .box-sizing(@value) {
  97         -webkit-box-sizing: @value; // Safari 3.1-5.0, iOS 3.2-4.3, Android 2.1-3.0
  98         -moz-box-sizing: @value; // Firefox 4-28,
  99         box-sizing: @value; // Chrome 10+, Firefox 29+, IE 8+, Safari 5.1+, Opera 10+, iOS 5+, Android 4+
 100 }
 101
 102 .box-shadow(@value) {
 103         -webkit-box-shadow: @value; // Safari 3.1-5.0, iOS 3.2-4.3, Android 2.1-3.0
 104         box-shadow: @value; // Chrome 10+, Firefox 4+, IE 9+, Safari 5.1+, Opera 11+, iOS 5+, Android 4+
 105 }