@essex/pbi-base/css/mixins.scss

/*
 * MIT License
 *
 * Copyright (c) 2016 Microsoft
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

@import "./variables";

/// Mixin to customize scrollbars
/// Beware, this does not work in all browsers
/// @author Hugo Giraudel
/// @param {Length} $size - Horizontal scrollbar's height and vertical scrollbar's width
/// @param {Color} $thumb-color - Scrollbar's color
/// @param {Color} $track-color [mix($thumb-color, white, 50%)] - Scrollbar's color
/// @example scss - Scrollbar styling
///   @include scrollbars(.5em, slategray);
@mixin scrollbars($size, $thumb-color, $track-color: mix($thumb-color, white,  50%), $hover-only:false) {

  // For Google Chrome
  &::-webkit-scrollbar {
      width:  $size;
      height: $size;
      background-color: transparent;
  }

  &::-webkit-scrollbar-thumb {
      @if $hover-only == false {
          background: $thumb-color;
      } @else {
          background: transparent;
      }
  }

  &::-webkit-scrollbar-track {
      @if $hover-only == false {
          background: $track-color;
      } @else {
          background: transparent;
      }
  }  
  
  @if $hover-only == true {
    &:hover::-webkit-scrollbar-thumb {
        background: $thumb-color;
    }

    &:hover::-webkit-scrollbar-track {
        background: $track-color;
    } 
  } 
  
  &::-webkit-scrollbar-track-piece {
      background: 0 0;
  }
  
  & {
      -ms-overflow-style: -ms-autohiding-scrollbar;
      -ms-scrollbar-track-color: $track-color;
      -ms-scrollbar-arrow-color: $thumb-color;
      -ms-scrollbar-face-color: $thumb-color;
  }

  // For Internet Explorer
  body {
    scrollbar-face-color: $thumb-color;
    scrollbar-track-color: $track-color;
  }  
}