chrome/browser/resources/settings/device_page/night_light_slider.html

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

<link rel="import" href="chrome://resources/cr_elements/shared_vars_css.html">
<link rel="import" href="chrome://resources/polymer/v1_0/iron-resizable-behavior/iron-resizable-behavior.html">
<link rel="import" href="chrome://resources/polymer/v1_0/paper-behaviors/paper-inky-focus-behavior.html">
<link rel="import" href="../prefs/prefs_behavior.html">

<dom-module id="night-light-slider">
  <template>
    <style>
      :host {
        cursor: default;
        font-weight: 500;
        text-align: center;
        user-select: none;
      }

      #sliderContainer {
        display: inline-block;
        position: relative;
        user-select: none;
        width: 100%;
      }

      #sliderBar {
        background-color: rgba(var(--google-blue-600-rgb), .24);
        background-size: 100%;
        display: inline-block;
        height: 2px;
        position: relative;
        width: inherit;
      }

      .knob {
        height: 32px;
        margin-left: -16px;
        margin-top: -15px;
        position: absolute;
        width: 32px;
        z-index: 3;
      }

      .knob:focus {
        outline: none;
      }

      .knob-inner {
        background: var(--google-blue-600);
        border-radius: 6px;
        height: 10px;
        left: 0;
        margin: 11px;
        position: absolute;
        width: 10px;
        z-index: 3;
      }

      .knob-inner:focus {
        outline: none;
      }

      #progressContainer {
        height: 100%;
        overflow: hidden;
        position: absolute;
        width: 100%;
      }

      .progress {
        background: var(--google-blue-600);
        height: 100%;
        position: absolute;
        z-index: 1;
      }

      #labelContainer {
        height: 1.75em;
      }

      .label {
        background: var(--google-blue-600);
        border-radius: 14px;
        color: white;
        font-size: 12px;
        left: 0;
        line-height: 1.5em;
        margin-left: -2.5em;
        position: absolute;
        text-align: center;
        transition: margin-top 200ms cubic-bezier(0, 0, 0.2, 1);
        vertical-align: middle;
        width: 5em;
      }

      .end-label-overlap {
        margin-top: -2em;
      }

      #markersContainer {
        display: flex;
        height: 100%;
        left: 0;
        position: absolute;
        width: 100%;
      }

      .active-marker,
      .inactive-marker {
        background-color: rgba(255, 255, 255, 0.54);
        border-radius: 50%;
        display: block;
        height: 100%;
        margin-left: -1px;
        padding: 0;
        position: absolute;
        width: 2PX;
        z-index: 2;
      }

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

      #legendContainer {
        height: 10px;
        position: relative;
        width: inherit;
      }

      #legendContainer > div {
        color: rgb(100, 100, 100);
        font-size: 12px;
        margin-left: -2.5em;
        position: absolute;
        text-align: center;
        top: 5px;
        width: 5em;
      }

      paper-ripple {
        color: var(--google-blue-600);
      }
    </style>

    <div id="sliderContainer">
      <div id="labelContainer">
        <div id="startLabel" class="label"
            aria-label="$i18n{displayNightLightStartTime}">
          [[getTimeString_(prefs.ash.night_light.custom_start_time.value,
                           shouldUse24Hours_)]]
        </div>
        <div id="endLabel" class="label"
            aria-label="$i18n{displayNightLightStopTime}">
          [[getTimeString_(prefs.ash.night_light.custom_end_time.value,
                           shouldUse24Hours_)]]
        </div>
      </div>
      <div id="sliderBar">
        <div id="progressContainer">
          <div id="endProgress" class="progress"></div>
          <div id="startProgress" class="progress"></div>
        </div>
        <div id="markersContainer">
        </div>
        <div id="startKnob" class="knob" tabindex="1" on-down="startDrag_"
            on-up="endDrag_" on-track="continueDrag_">
          <div class="knob-inner" tabindex="-1"></div>
        </div>
        <div id="endKnob" class="knob" tabindex="2" on-down="startDrag_"
            on-up="endDrag_" on-track="continueDrag_">
          <div class="knob-inner" tabindex="-1"></div>
        </div>
      </div>
      <div id="legendContainer">
        <div style="[[getLegendStyle_(0, isRTL_)]]">
          [[getLocaleTimeString_(18, 0, shouldUse24Hours_)]]
        </div>
        <div style="[[getLegendStyle_(25, isRTL_)]]">
          [[getLocaleTimeString_(0, 0, shouldUse24Hours_)]]
        </div>
        <div style="[[getLegendStyle_(50, isRTL_)]]">
          [[getLocaleTimeString_(6, 0, shouldUse24Hours_)]]
        </div>
        <div style="[[getLegendStyle_(75, isRTL_)]]">
          [[getLocaleTimeString_(12, 0, shouldUse24Hours_)]]
        </div>
        <div style="[[getLegendStyle_(100, isRTL_)]]">
          [[getLocaleTimeString_(18, 0, shouldUse24Hours_)]]
        </div>
      </div>
      <div id="dummyRippleContainer" hidden></div>
    </div>

  </template>
  <script src="night_light_slider.js"></script>
</dom-module>