// Vendor Prefixes
//
// All vendor mixins are deprecated as of v3.2.0 due to the introduction of
// Autoprefixer in our Gruntfile. They will be removed in v4.

// - Animations
// - Backface visibility
// - Box shadow
// - Box sizing
// - Content columns
// - Hyphens
// - Placeholder text
// - Transformations
// - Transitions
// - User Select
// - cursor grab

// Animations
@mixin animation($animation) {
    -webkit-animation: $animation;
    -o-animation: $animation;
    animation: $animation;
}

@mixin animation-name($name) {
    -webkit-animation-name: $name;
    animation-name: $name;
}

@mixin animation-duration($duration) {
    -webkit-animation-duration: $duration;
    animation-duration: $duration;
}

@mixin animation-timing-function($timing-function) {
    -webkit-animation-timing-function: $timing-function;
    animation-timing-function: $timing-function;
}

@mixin animation-delay($delay) {
    -webkit-animation-delay: $delay;
    animation-delay: $delay;
}

@mixin animation-iteration-count($iteration-count) {
    -webkit-animation-iteration-count: $iteration-count;
    animation-iteration-count: $iteration-count;
}

@mixin animation-direction($direction) {
    -webkit-animation-direction: $direction;
    animation-direction: $direction;
}

@mixin animation-fill-mode($fill-mode) {
    -webkit-animation-fill-mode: $fill-mode;
    animation-fill-mode: $fill-mode;
}

@mixin keyframes($name) {
    @-webkit-keyframes #{$name} {
        @content;
    }

    @-moz-keyframes #{$name} {
        @content;
    }

    @-ms-keyframes #{$name} {
        @content;
    }

    @keyframes #{$name} {
        @content;
    }
}

// Backface visibility
// Prevent browsers from flickering when using CSS 3D transforms.
// Default value is `visible`, but can be changed to `hidden`

@mixin backface-visibility($visibility) {
    -webkit-backface-visibility: $visibility;
    -moz-backface-visibility: $visibility;
    backface-visibility: $visibility;
}

// Drop shadows
//
// Note: Deprecated `.box-shadow()` as of v3.1.0 since all of Bootstrap's
// supported browsers that have box shadow capabilities now support it.

@mixin box-shadow($shadow...) {
    -webkit-box-shadow: $shadow; // iOS <4.3 & Android <4.1
    box-shadow: $shadow;
}

// Box sizing
@mixin box-sizing($boxmodel) {
    -webkit-box-sizing: $boxmodel;
    -moz-box-sizing: $boxmodel;
    box-sizing: $boxmodel;
}

// CSS3 Content Columns
@mixin content-columns($column-count, $column-gap: $grid-gutter-width) {
    -webkit-column-count: $column-count;
    -moz-column-count: $column-count;
    column-count: $column-count;
    -webkit-column-gap: $column-gap;
    -moz-column-gap: $column-gap;
    column-gap: $column-gap;
}

// Optional hyphenation
@mixin hyphens($mode: auto) {
    word-wrap: break-word;
    -webkit-hyphens: $mode;
    -moz-hyphens: $mode;
    -ms-hyphens: $mode; // IE10+
    -o-hyphens: $mode;
    hyphens: $mode;
}

// Transformations
@mixin scale($ratio...) {
    -webkit-transform: scale($ratio);
    -ms-transform: scale($ratio); // IE9 only
    -o-transform: scale($ratio);
    transform: scale($ratio);
}

@mixin scaleX($ratio) {
    -webkit-transform: scaleX($ratio);
    -ms-transform: scaleX($ratio); // IE9 only
    -o-transform: scaleX($ratio);
    transform: scaleX($ratio);
}

@mixin scaleY($ratio) {
    -webkit-transform: scaleY($ratio);
    -ms-transform: scaleY($ratio); // IE9 only
    -o-transform: scaleY($ratio);
    transform: scaleY($ratio);
}

@mixin skew($x, $y) {
    -webkit-transform: skewX($x) skewY($y);
    -ms-transform: skewX($x) skewY($y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+
    -o-transform: skewX($x) skewY($y);
    transform: skewX($x) skewY($y);
}

@mixin translate($x, $y) {
    -webkit-transform: translate($x, $y);
    -ms-transform: translate($x, $y); // IE9 only
    -o-transform: translate($x, $y);
    transform: translate($x, $y);
}

@mixin translate3d($x, $y, $z) {
    -webkit-transform: translate3d($x, $y, $z);
    transform: translate3d($x, $y, $z);
}

@mixin scale3d($x, $y, $z) {
    -webkit-transform: scale3d($x, $y, $z);
    transform: scale3d($x, $y, $z);
}

@mixin rotate($degrees) {
    -webkit-transform: rotate($degrees);
    -ms-transform: rotate($degrees); // IE9 only
    -o-transform: rotate($degrees);
    transform: rotate($degrees);
}

@mixin rotateX($degrees) {
    -webkit-transform: rotateX($degrees);
    -ms-transform: rotateX($degrees); // IE9 only
    -o-transform: rotateX($degrees);
    transform: rotateX($degrees);
}

@mixin rotateY($degrees) {
    -webkit-transform: rotateY($degrees);
    -ms-transform: rotateY($degrees); // IE9 only
    -o-transform: rotateY($degrees);
    transform: rotateY($degrees);
}

@mixin perspective($perspective) {
    -webkit-perspective: $perspective;
    -moz-perspective: $perspective;
    perspective: $perspective;
}

@mixin perspective-origin($perspective) {
    -webkit-perspective-origin: $perspective;
    -moz-perspective-origin: $perspective;
    perspective-origin: $perspective;
}

@mixin transform-origin($origin) {
    -webkit-transform-origin: $origin;
    -moz-transform-origin: $origin;
    -ms-transform-origin: $origin; // IE9 only
    transform-origin: $origin;
}

@mixin transform($transforms) {
    -moz-transform: $transforms;
    -o-transform: $transforms;
    -ms-transform: $transforms;
    -webkit-transform: $transforms;
    transform: $transforms;
}

// Transitions

@mixin transition($transition...) {
    -webkit-transition: $transition;
    -o-transition: $transition;
    transition: $transition;
}

@mixin transition-property($transition-property...) {
    -webkit-transition-property: $transition-property;
    transition-property: $transition-property;
}

@mixin transition-delay($transition-delay) {
    -webkit-transition-delay: $transition-delay;
    transition-delay: $transition-delay;
}

@mixin transition-duration($transition-duration...) {
    -webkit-transition-duration: $transition-duration;
    transition-duration: $transition-duration;
}

@mixin transition-timing-function($timing-function) {
    -webkit-transition-timing-function: $timing-function;
    transition-timing-function: $timing-function;
}

@mixin transition-transform($transition...) {
    -webkit-transition: -webkit-transform $transition;
    -moz-transition: -moz-transform $transition;
    -o-transition: -o-transform $transition;
    transition: transform $transition;
}

// transition custom

@function prefix($property, $prefixes: webkit moz o ms) {
    $vendor-prefixed-properties: transform background-clip background-size;
    $result: ();

    @each $prefix in $prefixes {
        @if index($vendor-prefixed-properties, $property) {
            $property: -#{$prefix}-#{$property};
        }
        $result: append($result, $property);
    }
    @return $result;
}

@function trans-prefix($transition, $prefix: moz) {
    $prefixed: ();

    @each $trans in $transition {
        $prop-name: nth($trans, 1);
        $vendor-prop-name: prefix($prop-name, $prefix);
        $prop-vals: nth($trans, 2);
        $prefixed: append($prefixed, $vendor-prop-name $prop-vals, comma);
    }
    @return $prefixed;
}

@mixin transitionCustom($values...) {
    $transitions: ();

    @each $declaration in $values {
        $prop: nth($declaration, 1);
        $prop-opts: ();
        $length: length($declaration);

        @if $length >= 2 {
            @for $i from 2 through $length {
                $prop-opts: append($prop-opts, nth($declaration, $i));
            }
        }
        $trans: $prop, $prop-opts;
        $transitions: append($transitions, $trans, comma);
    }
    -webkit-transition: trans-prefix($transitions, webkit);
    -moz-transition: trans-prefix($transitions, moz);
    -o-transition: trans-prefix($transitions, o);
    transition: $values;
}

// User select
// For selecting text on the page

@mixin user-select($select) {
    -webkit-user-select: $select;
    -moz-user-select: $select;
    -ms-user-select: $select; // IE10+
    user-select: $select;
}

// mouse grab

@mixin grab-cursor {
    cursor: -webkit-grab;
    cursor: -moz-grab;
    cursor: -o-grab;
    cursor: -ms-grab;
    cursor: grab;
}

@mixin grabbing-cursor {
    cursor: move;
    cursor: -webkit-grabbing;
    cursor: -moz-grabbing;
    cursor: -o-grabbing;
    cursor: -ms-grabbing;
    cursor: grabbing;
}