gitlab-org--gitlab-foss/app/assets/stylesheets/framework/animations.scss

// This file is based off animate.css 3.5.1, available here:
// https://github.com/daneden/animate.css/blob/3.5.1/animate.css
//
// animate.css - http://daneden.me/animate
// Version - 3.5.1
// Licensed under the MIT license - http://opensource.org/licenses/MIT
//
// Copyright (c) 2016 Daniel Eden

.animated {
  @include webkit-prefix(animation-duration, 1s);
  @include webkit-prefix(animation-fill-mode, both);

  &.infinite {
    @include webkit-prefix(animation-iteration-count, infinite);
  }

  &.once {
    @include webkit-prefix(animation-iteration-count, 1);
  }

  &.hinge {
    @include webkit-prefix(animation-duration, 2s);
  }

  &.flipOutX,
  &.flipOutY,
  &.bounceIn,
  &.bounceOut {
    @include webkit-prefix(animation-duration, .75s);
  }

  &.short {
    @include webkit-prefix(animation-duration, 321ms);
    @include webkit-prefix(animation-fill-mode, none);
  }
}

@include keyframes(pulse) {
  from,
  to {
    @include webkit-prefix(transform, scale3d(1, 1, 1));
  }

  50% {
    @include webkit-prefix(transform, scale3d(1.05, 1.05, 1.05));
  }
}

.pulse {
  @include webkit-prefix(animation-name, pulse);
}

/*
* General hover animations
*/


// Sass multiple transitions mixin | https://gist.github.com/tobiasahlin/7a421fb9306a4f518aab
// Usage:   @include transition(width, height 0.3s ease-in-out);
// Output:  -webkit-transition(width 0.2s, height 0.3s ease-in-out);
//          transition(width 0.2s, height 0.3s ease-in-out);
//
// Pass in any number of transitions
@mixin transition($transitions...) {
  $unfoldedTransitions: ();
  @each $transition in $transitions {
    $unfoldedTransitions: append($unfoldedTransitions, unfoldTransition($transition), comma);
  }

  transition: $unfoldedTransitions;
}

@mixin disableAllAnimation {
  /*CSS transitions*/
  -o-transition-property: none !important;
  -moz-transition-property: none !important;
  -ms-transition-property: none !important;
  -webkit-transition-property: none !important;
  transition-property: none !important;
  /*CSS transforms*/
  -o-transform: none !important;
  -moz-transform: none !important;
  -ms-transform: none !important;
  -webkit-transform: none !important;
  transform: none !important;
  /*CSS animations*/
  -webkit-animation: none !important;
  -moz-animation: none !important;
  -o-animation: none !important;
  -ms-animation: none !important;
  animation: none !important;
}

@function unfoldTransition ($transition) {
  // Default values
  $property: all;
  $duration: $general-hover-transition-duration;
  $easing: $general-hover-transition-curve; // Browser default is ease, which is what we want
  $delay: null; // Browser default is 0, which is what we want
  $defaultProperties: ($property, $duration, $easing, $delay);

  // Grab transition properties if they exist
  $unfoldedTransition: ();
  @for $i from 1 through length($defaultProperties) {
    $p: null;
    @if $i <= length($transition) {
      $p: nth($transition, $i);
    } @else {
      $p: nth($defaultProperties, $i);
    }
    $unfoldedTransition: append($unfoldedTransition, $p);
  }

  @return $unfoldedTransition;
}

.btn {
  @include transition(background-color, border-color, color, box-shadow);
}

.dropdown-menu-toggle,
.avatar-circle,
.header-user-avatar {
  @include transition(border-color);
}

.note-action-button,
.toolbar-btn,
.dropdown-toggle-caret {
  @include transition(color);
}

a {
  @include transition(background-color, color, border);
}

.stage-nav-item {
  @include transition(background-color, box-shadow);
}

.dropdown-menu a,
.dropdown-menu button,
.dropdown-menu-nav a {
  transition: none;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn $fade-in-duration 1;
}

@keyframes fadeInHalf {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 0.5;
  }
}

.fade-in-half {
  animation: fadeInHalf $fade-in-duration 1;
}

@keyframes fadeInFull {
  0% {
    opacity: 0.5;
  }

  100% {
    opacity: 1;
  }
}

.fade-in-full {
  animation: fadeInFull $fade-in-duration 1;
}


.animation-container {
  background: $repo-editor-grey;
  height: 40px;
  overflow: hidden;
  position: relative;

  &.animation-container-small {
    height: 12px;
  }

  &.animation-container-right {
    .skeleton-line-2 {
      left: 0;
      right: 150px;
    }
  }

  &::before {
    animation-duration: 1s;
    animation-fill-mode: forwards;
    animation-iteration-count: infinite;
    animation-name: blockTextShine;
    animation-timing-function: linear;
    background-image: $repo-editor-linear-gradient;
    background-repeat: no-repeat;
    background-size: 800px 45px;
    content: ' ';
    display: block;
    height: 100%;
    position: relative;
  }

  div {
    background: $white-light;
    height: 6px;
    left: 0;
    position: absolute;
    right: 0;
  }

  .skeleton-line-1 {
    left: 0;
    top: 8px;
  }

  .skeleton-line-2 {
    left: 150px;
    top: 0;
    height: 10px;
  }

  .skeleton-line-3 {
    left: 0;
    top: 23px;
  }

  .skeleton-line-4 {
    left: 0;
    top: 38px;
  }

  .skeleton-line-5 {
    left: 200px;
    top: 28px;
    height: 10px;
  }

  .skeleton-line-6 {
    top: 14px;
    left: 230px;
    height: 10px;
  }
}

@keyframes blockTextShine {
  0% {
    transform: translateX(-468px);
  }

  100% {
    transform: translateX(468px);
  }
}