tt-mp/src/spin/index.less

一套组件化、可复用、易扩展的头条小程序 UI 组件库

@import '../styles/mixins/index.less';
@import '../styles/themes/index.less';

.@{wux-prefix}-spin {
  position: relative;
  display: inline-block;

  &__spinning {
    opacity: 1;
    position: static;
    display: inline-block;
    vertical-align: middle;
    text-align: center;
    font-size: @spin-font-size;
    line-height: @spin-line-height;
    color: @spin-color;

    &--nested {
      vertical-align: middle;
      text-align: center;
      font-size: @spin-font-size;
      line-height: @spin-line-height;
      color: @spin-color;
      display: block;
      position: absolute;
      height: 100%;
      max-height: 320px;
      width: 100%;
      z-index: 4;
    }
  }

  &--nested {
    display: block;
  }

  &--nested &__tip {
    position: absolute;
    top: 50%;
    width: 100%;
    padding-top: 6px;
    text-shadow: 0 1px 2px #fff;
  }

  &__dots {
    .square(@spin-dot-size-base);

    overflow: hidden;
    display: inline-block;
    transform: rotate(45deg);
    animation: rotate 1.2s infinite linear;
  }

  &--nested &__dots {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -@spin-dot-size-base / 2;
  }

  &__dot {
    width: 9px;
    height: 9px;
    border-radius: 100%;
    background-color: @spin-color;
    transform: scale(0.75);
    display: block;
    position: absolute;
    opacity: @disabled-opacity;
    animation: spinMove 1s infinite linear alternate;
    transform-origin: 50% 50%;
    text-indent: -999em;

    &:first-child {
      left: 0;
      top: 0;
    }

    &:nth-child(2) {
      right: 0;
      top: 0;
      animation-delay: 0.4s;
    }

    &:nth-child(3) {
      right: 0;
      bottom: 0;
      animation-delay: 0.8s;
    }

    &:nth-child(4) {
      left: 0;
      bottom: 0;
      animation-delay: 1.2s;
    }
  }

  &--show-text&--nested &__dots {
    margin-top: -@spin-dot-size-base / 2 - 10px;
  }

  &__container {
    position: relative;
    transition: opacity 0.3s;
    zoom: 1;

    &--blur {
      overflow: hidden;
      opacity: 0.5;
      filter: blur(0.5px);
      transform: translateZ(0);

      /* &:after {
                content: "";
                position: absolute;
                left: 0;
                right: 0;
                top: 0;
                bottom: 0;
                background: #fff;
                opacity: @disabled-opacity;
                transition: all .3s;
                z-index: 10;
            } */
    }
  }

  &--small &__tip {
    padding-top: 3px;
  }

  &--small &__dots {
    .square(@spin-dot-size-sm);
  }

  &--small&--nested &__dots {
    margin: -@spin-dot-size-sm / 2;
  }

  &--small &__dot {
    width: 6px;
    height: 6px;
  }

  &--small&--show-text&--nested &__dots {
    margin-top: -@spin-dot-size-sm / 2 - 10px;
  }

  &--large &__tip {
    padding-top: 12px;
  }

  &--large &__dots {
    .square(@spin-dot-size-lg);
  }

  &--large&--nested &__dots {
    margin: -@spin-dot-size-lg / 2;
  }

  &--large &__dot {
    width: 14px;
    height: 14px;
  }

  &--large&--show-text&--nested &__dots {
    margin-top: -@spin-dot-size-lg / 2 - 10px;
  }
}

@keyframes rotate {
  to {
    transform: rotate(405deg);
  }
}

@keyframes spinMove {
  to {
    opacity: 1;
  }
}