ionic-framework/ionic/components/switch/switch.ios.scss

@import "../../globals.ios";

// iOS Switch
// --------------------------------------------------

$switch-ios-width:                     51px !default;
$switch-ios-height:                    32px !default;
$switch-ios-border-width:              2px !default;
$switch-ios-border-radius:             $switch-ios-height / 2 !default;

$switch-ios-background-color-off:      $list-ios-background-color !default;
$switch-ios-border-color-off:          grayscale(lighten($list-ios-border-color, 11%)) !default;

$switch-ios-background-color-on:       map-get($colors-ios, primary) !default;

$switch-ios-handle-width:              $switch-ios-height - ($switch-ios-border-width * 2) !default;
$switch-ios-handle-height:             $switch-ios-handle-width !default;
$switch-ios-handle-border-radius:      $switch-ios-handle-height / 2 !default;
$switch-ios-handle-box-shadow:         0 3px 12px rgba(0, 0, 0, 0.16), 0 3px 1px rgba(0, 0, 0, 0.1) !default;

$switch-ios-handle-background-color:   $switch-ios-background-color-off !default;

$switch-ios-media-margin:              0 !default;
$switch-ios-media-padding:             6px ($item-ios-padding-right / 2) 5px ($item-ios-padding-left) !default;

$switch-ios-transition-duration:       300ms !default;

$switch-ios-disabled-opacity:          0.5 !default;
$switch-ios-disabled-text-color:       $subdued-text-ios-color !default;


// Switch
// -----------------------------------------

ion-switch {
  display: block;
  @include user-select-none();

  &.item.activated {
    background: $list-ios-background-color;
  }
}


// Switch Wrapper
// -----------------------------------------

.switch-media {
  margin: $switch-ios-media-margin;
  padding: $switch-ios-media-padding;
  cursor: pointer;
}


// Switch Background Track
// -----------------------------------------

.switch-icon {
  // bg track, when not checked
  position: relative;
  display: block;
  width: $switch-ios-width;
  height: $switch-ios-height;
  border-radius: $switch-ios-border-radius;
  pointer-events: none;

  background-color: $switch-ios-border-color-off;
  transition: background-color $switch-ios-transition-duration;
}


// Switch Background Track, Inner Oval
// -----------------------------------------

.switch-icon:before {
  // inner bg track's oval, when not checked
  content: '';
  position: absolute;
  top: $switch-ios-border-width;
  right: $switch-ios-border-width;
  left: $switch-ios-border-width;
  bottom: $switch-ios-border-width;

  border-radius: $switch-ios-border-radius;
  background-color: $switch-ios-background-color-off;

  transform: scale3d(1, 1, 1);
  transition: transform $switch-ios-transition-duration;
}


// Switch Knob
// -----------------------------------------

.switch-icon:after {
  // knob, when not checked
  content: '';
  position: absolute;
  top: $switch-ios-border-width;
  left: $switch-ios-border-width;

  width: $switch-ios-handle-width;
  height: $switch-ios-handle-height;

  border-radius: $switch-ios-handle-border-radius;
  background-color: $switch-ios-handle-background-color;
  box-shadow: $switch-ios-handle-box-shadow;

  transition: transform $switch-ios-transition-duration, width 120ms ease-in-out 80ms, left 110ms ease-in-out 80ms;
}


// Switch Checked
// -----------------------------------------

ion-switch[aria-checked=true] {
  .switch-icon {
    // bg track, when checked
    background-color: $switch-ios-background-color-on;

    &:before {
      // inner bg track's oval, when checked
      transform: scale3d(0, 0, 0);
    }

    &:after {
      // knob, when checked
      transform: translate3d($switch-ios-width - $switch-ios-handle-width - ($switch-ios-border-width * 2), 0, 0);
    }
  }

  .switch-activated .switch-icon {
    &:before {
      // inner bg track's oval, when checked
      transform: scale3d(0, 0, 0);
    }

    &:after {
      // when pressing down on the switch and IS checked
      // make the knob wider and move it left a bit
      left: $switch-ios-border-width - 6;

      // when pressing down on the switch and NOT checked
      // then make the knob wider
      width: $switch-ios-handle-width + 6;
    }
  }
}


// Switch Disabled
// -----------------------------------------

ion-switch[aria-disabled=true] {
  opacity: $switch-ios-disabled-opacity;
  color: $switch-ios-disabled-text-color;
  pointer-events: none;
}


// iOS Switch Color Mixin
// --------------------------------------------------

@mixin switch-theme-ios($color-name, $bg-on) {

  ion-switch[#{$color-name}] {

    &[aria-checked=true] .switch-icon {
      background-color: $bg-on;
    }

  }

}


// Generate iOS Switch Auxiliary Colors
// --------------------------------------------------

@each $color-name, $value in $colors-ios {

  @include switch-theme-ios($color-name, $value);

}