ui/webui/resources/cr_elements/cr_slider/cr_slider.html

<link rel="import" href="../../html/polymer.html">

<link rel="import" href="chrome://resources/polymer/v1_0/paper-behaviors/paper-ripple-behavior.html">
<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
<link rel="import" href="../../html/cr.html">
<link rel="import" href="../../html/event_tracker.html">
<link rel="import" href="../hidden_style_css.html">
<link rel="import" href="../shared_vars_css.html">

<dom-module id="cr-slider">
  <template>
    <style include="cr-hidden-style">
      :host {
        --cr-slider-bar-height: 2px;
        --cr-slider-position-transition: 80ms ease;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
        cursor: default;
        outline: none;
        user-select: none;
      }

      :host([dragging]) {
        touch-action: none;
      }

      #container {
        height: 32px;
        position: relative;
      }

      #barContainer,
      #bar {
        /* Using border instead of background-color to address pixel rounding
           at low zoom levels (e.g. 33%). The browser will round border widths
           to a minimum of 1px.*/
        border-top-style: solid;
        border-top-width: 2px;
      }

      #barContainer {
        border-top-color: var(--cr-slider-container-color, var(--google-blue-600-opacity-24));
        height: var(--cr-slider-bar-height);
        margin: 0 16px;
        position: absolute;
        top: 15px;
        width: calc(100% - 32px);
      }

      #barContainer div {
        top: calc(-1 * var(--cr-slider-bar-height));
      }

      #bar {
        border-top-color: var(--cr-slider-active-color, var(--google-blue-600));
        left: 0;
        position: absolute;
        width: 0;
      }

      :host([transiting_]) #bar {
        transition: width var(--cr-slider-position-transition);
      }

      :host([is-rtl_]) #bar {
        left: initial;
        right: 0;
      }

      #knobContainer {
        margin-inline-start: 12px;
        position: absolute;
        top: 11px;
        width: calc(100% - 32px);
      }

      #knob {
        background-color: var(--cr-slider-knob-color, var(--google-blue-600));
        border: 0;
        border-radius: 50%;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
        height: 10px;
        margin-inline-start: 0;
        outline: none;
        position: absolute;
        width: 10px;
      }

      :host([transiting_]) #knob {
        transition: margin-inline-start var(--cr-slider-position-transition);
      }

      paper-ripple {
        color: var(--cr-slider-knob-color, var(--google-blue-600));
        height: 32px;
        left: -11px;
        pointer-events: none;
        top: -11px;
        transition: color linear 80ms;
        width: 32px;
      }

      :host([is-rtl_]) paper-ripple {
        left: auto;
        right: -11px;
      }

      #markers {
        left: 0;
        pointer-events: none;
        position: absolute;
        right: 0;
        @apply --layout-horizontal;
      }

      .active-marker,
      .inactive-marker {
        @apply --layout-flex;
      }
      #markers::before,
      #markers::after,
      .active-marker::after,
      .inactive-marker::after {
        border-radius: 50%;
        content: '';
        display: block;
        height: 2px;
        margin-left: -1px;
        width: 2px;
      }

      #markers::before,
      .active-marker::after {
        background-color: rgba(255, 255, 255, 0.54);
      }

      #markers::after,
      .inactive-marker::after {
        background-color: rgba(26, 115, 232, 0.54);
      }

      #labelContainer {
        cursor: default;
        margin-inline-start: 1px;
        opacity: 0;
        transition: opacity 80ms ease-in-out;
        user-select: none;
        width: calc(100% - 32px);
      }

      #container:hover #labelContainer,
      .hover #labelContainer,
      :host([hold-down_]) #labelContainer {
        opacity: 1;
      }

      #label {
        background: var(--google-blue-600);
        border-radius: 14px;
        bottom: 28px;
        color: white;
        font-size: 12px;
        line-height: 1.5em;
        padding: 0 8px;
        position: absolute;
        white-space: nowrap;
      }

      :host([transiting_]) #label {
        transition: margin-inline-start var(--cr-slider-position-transition);
      }

      :host([disabled_]) {
        pointer-events: none;
      }

      :host([disabled_]) #barContainer {
        border-top-color: var(--google-grey-600-opacity-24);
      }

      :host([disabled_]) #bar {
        border-top-color: var(--google-grey-600);
      }

      :host([disabled_]) .inactive-marker::after,
      :host([disabled_]) #markers::after {
        background-color: rgba(128, 134, 139, 0.54);
      }

      :host([disabled_]) #knobContainer {
        margin-inline-start: 10px;
        top: 9px;
      }
      :host([disabled_]) #knob {
        background-color: var(--google-grey-600);
        border: 2px solid white;
        box-shadow: unset;
      }
    </style>
    <div id="container">
      <div id="barContainer">
        <div id="bar"></div>
        <div id="markers" hidden$="[[!markerCount]]">
          <template is="dom-repeat" items="[[getMarkers_(markerCount)]]">
            <div class$="[[getMarkerClass_(index, value, min, max,
                                           markerCount)]]"></div>
          </template>
        </div>
      </div>
      <div id="knobContainer">
        <div id="knob" on-transitionend="onKnobTransitionEnd_"></div>
      </div>
      <div id="labelContainer" aria-label="[[label_]]">
        <div id="label">[[label_]]</div>
      </div>
    </div>
  </template>
  <script src="cr_slider.js"></script>
</dom-module>