// Vendor Prefixes
//
// All vendor mixins are deprecated as of v320 due to the introduction of
// Autoprefixer in our Gruntfile They will be removed in v4

// - Animations
// - Backface visibility
// - Text shadow
// - Box shadow
// - Box sizing
// - Content columns
// - Hyphens
// - Transformations
// - Transitions
// - User Select


// Animations
.animation(@animation) {
    & when (@prefix = true) {
        -webkit-animation+: @animation;
             -o-animation+: @animation;
    }
    animation+: @animation;
}
.animation-name(@name) {
    & when (@prefix = true) {
        -webkit-animation-name+: @name;
    }
    animation-name+: @name;
}
.animation-duration(@duration) {
    & when (@prefix = true) {
        -webkit-animation-duration+: @duration;
    }
    animation-duration+: @duration;
}
.animation-timing-function(@timing-function) {
    & when (@prefix = true) {
        -webkit-animation-timing-function+: @timing-function;
    }
    animation-timing-function+: @timing-function;
}
.animation-delay(@delay) {
    & when (@prefix = true) {
        -webkit-animation-delay: @delay;
    }
    animation-delay: @delay;
}
.animation-iteration-count(@iteration-count) {
    & when (@prefix = true) {
        -webkit-animation-iteration-count+: @iteration-count;
    }
    animation-iteration-count+: @iteration-count;
}
.animation-direction(@direction) {
    & when (@prefix = true) {
        -webkit-animation-direction+: @direction;
    }
    animation-direction+: @direction;
}
.animation-fill-mode(@fill-mode) {
    & when (@prefix = true) {
        -webkit-animation-fill-mode+: @fill-mode;
    }
    animation-fill-mode+: @fill-mode;
}
.animation-play-state(@state) {
    & when (@prefix = true) {
        -webkit-animation-play-state+: @state;
    }
    animation-play-state+: @state;
}

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

.backface-visibility(@visibility){
    & when (@prefix = true) {
        -webkit-backface-visibility: @visibility;
           -moz-backface-visibility: @visibility;
    }
    backface-visibility: @visibility;
}

// Drop shadows
//
// Note: Deprecated `box-shadow()` as of v310 since all of Bootstrap's
// supported browsers that have box shadow capabilities now support it

.text-shadow(@shadow) {
    text-shadow+: @shadow;
}

.box-shadow(@shadow) {
    & when (@prefix = true) {
        -webkit-box-shadow+: @shadow; // iOS <43 & Android <41
    }
    box-shadow+: @shadow;
}

// Box sizing
.box-sizing(@boxmodel) {
    & when (@prefix = true) {
        -webkit-box-sizing: @boxmodel;
           -moz-box-sizing: @boxmodel;
    }
    box-sizing: @boxmodel;
}

// CSS3 Content Columns
.content-columns(@column-count, @column-gap: 30px) {
    & when (@prefix = true) {
        -webkit-column-count: @column-count;
           -moz-column-count: @column-count;
          -webkit-column-gap: @column-gap;
             -moz-column-gap: @column-gap;
    }
    column-count: @column-count;
      column-gap: @column-gap;
}

// Optional hyphenation
.hyphens(@mode: auto) {
    & when (@prefix = true) {
        -webkit-hyphens: @mode;
           -moz-hyphens: @mode;
            -ms-hyphens: @mode; // IE10+
             -o-hyphens: @mode;
    }
    hyphens: @mode;
    word-wrap: break-word;
}

// Transformations
.transform(@transform) {
    & when (@prefix = true) {
        -webkit-transform+_: @transform;
            -ms-transform+_: @transform;
             -o-transform+_: @transform;
    }
    transform+_: @transform;
}
.transform-origin(@origin) {
    & when (@prefix = true) {
        -webkit-transform-origin: @origin;
           -moz-transform-origin: @origin;
            -ms-transform-origin: @origin; // IE9 only
    }
    transform-origin: @origin;
}
.transform-style(@transform-style) {
    & when (@prefix = true) {
        -webkit-transform-style: @transform-style;
           -moz-transform-style: @transform-style;
            -ms-transform-style: @transform-style;
             -o-transform-style: @transform-style;
    }
    transform-style: @transform-style;
}
.translate(@x, @y) {
    & when (@prefix = true) {
        -webkit-transform+_: translate(@x, @y);
            -ms-transform+_: translate(@x, @y); // IE9 only
             -o-transform+_: translate(@x, @y);
    }
    transform+_: translate(@x, @y);
}
.translate3d(@x, @y, @z) {
    & when (@prefix = true) {
        -webkit-transform+_: translate3d(@x, @y, @z);
    }
    transform+_: translate3d(@x, @y, @z);
}
.translateX(@x) {
    & when (@prefix = true) {
        -webkit-transform+_: translateX(@x);
            -ms-transform+_: translateX(@x); // IE9 only
             -o-transform+_: translateX(@x);
    }
    transform+_: translateX(@x);
}
.translateY(@y) {
    & when (@prefix = true) {
        -webkit-transform+_: translateY(@y);
            -ms-transform+_: translateY(@y); // IE9 only
             -o-transform+_: translateY(@y);
    }
    transform+_: translateY(@y);
}
.translateZ(@z) {
    & when (@prefix = true) {
        -webkit-transform+_: translateZ(@z);
            -ms-transform+_: translateZ(@z); // IE9 only
             -o-transform+_: translateZ(@z);
    }
    transform+_: translateZ(@z);
}
.scale(@ratio) {
    & when (@prefix = true) {
        -webkit-transform+_: scale(@ratio);
            -ms-transform+_: scale(@ratio); // IE9 only
             -o-transform+_: scale(@ratio);
    }
    transform+_: scale(@ratio);
}
.scale(@ratioX, @ratioY) {
    & when (@prefix = true) {
        -webkit-transform+_: scale(@ratioX, @ratioY);
            -ms-transform+_: scale(@ratioX, @ratioY); // IE9 only
             -o-transform+_: scale(@ratioX, @ratioY);
    }
    transform+_: scale(@ratioX, @ratioY);
}
.scaleX(@ratio) {
    & when (@prefix = true) {
        -webkit-transform+_: scaleX(@ratio);
            -ms-transform+_: scaleX(@ratio); // IE9 only
             -o-transform+_: scaleX(@ratio);
    }
    transform+_: scaleX(@ratio);
}
.scaleY(@ratio) {
    & when (@prefix = true) {
        -webkit-transform+_: scaleY(@ratio);
            -ms-transform+_: scaleY(@ratio); // IE9 only
             -o-transform+_: scaleY(@ratio);
    }
    transform+_: scaleY(@ratio);
}
.scaleZ(@ratio) {
    & when (@prefix = true) {
        -webkit-transform+_: scaleZ(@ratio);
            -ms-transform+_: scaleZ(@ratio); // IE9 only
             -o-transform+_: scaleZ(@ratio);
    }
    transform+_: scaleY(@ratio);
}
.rotate(@degrees) {
    & when (@prefix = true) {
        -webkit-transform+_: rotate(@degrees);
            -ms-transform+_: rotate(@degrees); // IE9 only
             -o-transform+_: rotate(@degrees);
    }
    transform+_: rotate(@degrees);
}
.rotateX(@degrees) {
    & when (@prefix = true) {
        -webkit-transform+_: rotateX(@degrees);
            -ms-transform+_: rotateX(@degrees); // IE9 only
             -o-transform+_: rotateX(@degrees);
    }
    transform+_: rotateX(@degrees);
}
.rotateY(@degrees) {
    & when (@prefix = true) {
        -webkit-transform+_: rotateY(@degrees);
            -ms-transform+_: rotateY(@degrees); // IE9 only
             -o-transform+_: rotateY(@degrees);
    }
    transform+_: rotateY(@degrees);
}
.rotateZ(@degrees) {
    & when (@prefix = true) {
        -webkit-transform+_: rotateZ(@degrees);
            -ms-transform+_: rotateZ(@degrees); // IE9 only
             -o-transform+_: rotateZ(@degrees);
    }
    transform+_: rotateZ(@degrees);
}
.skew(@x, @y) {
    & when (@prefix = true) {
        -webkit-transform+_: skewX(@x) skewY(@y);
            -ms-transform+_: skewX(@x) skewY(@y); // See https://githubcom/twbs/bootstrap/issues/4885; IE9+
             -o-transform+_: skewX(@x) skewY(@y);
    }
    transform+_: skewX(@x) skewY(@y);
}
.perspective(@perspective) {
    & when (@prefix = true) {
        -webkit-perspective: @perspective;
           -moz-perspective: @perspective;
    }
    perspective: @perspective;
}
.perspective-origin(@perspective) {
    & when (@prefix = true) {
        -webkit-perspective-origin: @perspective;
           -moz-perspective-origin: @perspective;
    }
    perspective-origin: @perspective;
}


// Transitions
.transition(@transition) {
    & when (@prefix = true) {
        -webkit-transition+: @transition;
           -moz-transition+: @transition;
             -o-transition+: @transition;
    }
    transition+: @transition;
}
.transition-transform(@transition) {
    & when (@prefix = true) {
        -webkit-transition+: -webkit-transform @transition;
           -moz-transition+: -moz-transform @transition;
             -o-transition+: -o-transform @transition;
    }
    transition+: transform @transition;
}
.transition-property(@transition-property) {
    & when (@prefix = true) {
        -webkit-transition-property+: @transition-property;
    }
    transition-property+: @transition-property;
}
.transition-delay(@transition-delay) {
    & when (@prefix = true) {
        -webkit-transition-delay+: @transition-delay;
    }
    transition-delay+: @transition-delay;
}
.transition-duration(@transition-duration) {
    & when (@prefix = true) {
        -webkit-transition-duration+: @transition-duration;
    }
    transition-duration+: @transition-duration;
}
.transition-timing-function(@timing-function) {
    & when (@prefix = true) {
        -webkit-transition-timing-function+: @timing-function;
    }
    transition-timing-function+: @timing-function;
}


// User select
// For selecting text on the page
.user-select(@select) {
    & when (@prefix = true) {
        -webkit-user-select: @select;
           -moz-user-select: @select;
            -ms-user-select: @select; // IE10+
    }
    user-select: @select;
}