weui/src/style/widget/weui-cell/weui-switch.less

A UI library by WeChat official design team, includes the most useful widgets/modules in mobile web applications.

/*
* Tencent is pleased to support the open source community by making WeUI available.
* 
* Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved.
* 
* Licensed under the MIT License (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* 
*       http://opensource.org/licenses/MIT
* 
* Unless required by applicable law or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/

@import "../../base/fn";

.weui-cell_switch {
  padding-top: (@weuiCellHeight - @weuiSwitchHeight) / 2;
  padding-bottom: (@weuiCellHeight - @weuiSwitchHeight) / 2;
  &.weui-cell_readonly,
  &.weui-cell_disabled {
    color: var(--weui-FG-3);
  }
}
.weui-switch {
  appearance: none;
}
.weui-switch,
.weui-switch-cp__box {
  vertical-align: bottom;
  position: relative;
  width: 52px;
  height: @weuiSwitchHeight;
  background-color: var(--weui-FG-3);
  border: 0;
  padding: 2px;
  outline: 0;
  border-radius: 16px;
  box-sizing: border-box;
  transition: background-color 0.1s, border 0.1s;

  &::after {
    content: " ";
    position: absolute;
    top: 2px;
    left: 2px;
    width: @weuiSwitchHeight - 4;
    height: @weuiSwitchHeight - 4;
    border-radius: 15px;
    background-color: #fff; // 固定色值
    box-shadow: 0 2px 3px 0 rgba(0, 0, 0, 0.06);
    transition: transform 0.35s cubic-bezier(0.4, 0.4, 0.25, 1.35);
  }
}
.weui-switch:checked,
.weui-switch-cp__input:checked + .weui-switch-cp__box,
.weui-switch-cp__input[aria-checked="true"] + .weui-switch-cp__box {
  background-color: @weuiColorPrimary;
  &::after {
    transform: translateX(20px);
  }
}
.weui-switch[disabled],
.weui-switch-cp__input[disabled] + .weui-switch-cp__box,
.weui-switch-cp__input[aria-disabled="true"] + .weui-switch-cp__box {
  opacity: 0.1;
}


// 兼容小程序/IE Edge的版本
.weui-switch-cp__input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  overflow: hidden;
}
.weui-switch-cp__box {
  display: block;
}