// Common Less mixin library for MediaWiki
//
// By default the folder containing this file is included in $wgResourceLoaderLESSImportPaths,
-// which makes this file importable by all less files via '@import "mediawiki.mixins";'.
+// which makes this file importable by all less files via `@import 'mediawiki.mixins';`.
//
// The mixins included below are considered a public interface for MediaWiki extensions.
// The signatures of parametrized mixins should be kept as stable as possible.
background-image: -o-linear-gradient( transparent, transparent ), url( @fallback );
}
+// Shorthand for background-image-svg. Use if your PNG and SVG have the same name
+// and only if you cannot use ResourceLoaderImage module for some particular reason.
+.background-image-svg-quick( @url ) {
+ .background-image-svg( ~'@{url}.svg', ~'@{url}.png' );
+}
+
.list-style-image( @url ) {
list-style-image: e( '/* @embed */' ) url( @url );
}
list-style-image: e( '/* @embed */' ) url( @fallback ) e( '\9' );
}
+.transform( @value ) {
+ -webkit-transform: @value; // Safari 3.1-8.0, iOS 3.2-8.4, Android 2.1-4.4.4
+ -moz-transform: @value; // Firefox 3.5-15
+ transform: @value; // Chrome 36+, Firefox 16+, IE 10+, Safari 9+, Opera 23+, iOS 9.2+, Android 5+
+}
+
.transition( @value ) {
-webkit-transition: @value; // Safari 3.1-6.0, iOS 3.2-6.1, Android 2.1-4.3
-moz-transition: @value; // Firefox 4-15
transition: @value; // Chrome 26+, Firefox 16+, IE 10+, Safari 6.1+, Opera 12.1+, iOS 7+, Android 4.4+
}
+// Provide a hardware accelerated transform transition
+// We can't use `.transition()` because WebKit requires `-webkit-` prefix before `transform`
+// Example usage: `.transition-transform( 1s, opacity 2s );`
+// First parameter is additional options for `transform` transition commencing with
+// duration property @see https://www.w3.org/TR/css3-transitions/#transition-duration-property
+// and remaining parameters are additional transitions."
+.transition-transform( ... ) {
+ -webkit-backface-visibility: hidden; // Older Webkit browsers: Promote element to a composite layer & involve the GPU
+
+ -webkit-transition: -webkit-transform @arguments; // Safari 3.1-8, iOS 3.2-8.4, Android 2.1-4.4.4
+ -moz-transition: -moz-transform @arguments; // Firefox 4-15 for `-moz-transition`
+ transition: transform @arguments; // Chrome 36+, Firefox 16+, IE 10+, Safari 9+, Opera 12.1+, iOS 9.2+, Android 36+
+}
+
.box-sizing( @value ) {
-webkit-box-sizing: @value; // Safari 3.1-5.0, iOS 3.2-4.3, Android 2.1-3.0
-moz-box-sizing: @value; // Firefox 4-28,
}
.flex-display( @display: flex ) {
- display: ~"-webkit-@{display}"; // iOS 6-, Safari 3.1-6
- display: ~"-moz-@{display}"; // Firefox 21-
- display: ~"-ms-@{display}box"; // IE 10
+ display: ~'-webkit-@{display}'; // iOS 6-, Safari 3.1-6
+ display: ~'-moz-@{display}'; // Firefox 21-
+ display: ~'-ms-@{display}box'; // IE 10
display: @display;
}
order: @order;
}
+/* stylelint-disable selector-no-vendor-prefix, at-rule-no-unknown */
+.mixin-placeholder( @rules ) {
+ // WebKit, Blink, Edge
+ &::-webkit-input-placeholder {
+ @rules();
+ }
+ // Internet Explorer 10-11
+ &:-ms-input-placeholder {
+ @rules();
+ }
+ // Firefox 19-
+ &::-moz-placeholder {
+ @rules();
+ }
+ // Firefox 4-18
+ &:-moz-placeholder {
+ @rules();
+ }
+ // W3C Standard Selectors Level 4
+ &::placeholder {
+ @rules();
+ }
+ // For inputs that use jquery.placeholder.js e.g. IE9
+ &.placeholder {
+ @rules();
+ }
+}
+/* stylelint-enable selector-no-vendor-prefix, at-rule-no-unknown */
+
// Screen Reader Helper Mixin
.mixin-screen-reader-text() {
display: block;
- position: absolute !important;
+ position: absolute !important; /* stylelint-disable-line declaration-no-important */
clip: rect( 1px, 1px, 1px, 1px );
width: 1px;
height: 1px;