="secondaryProgress" hidden$="[[_hideSecondaryProgress(secondaryRatio)]]"></div>
      <div id="primaryProgress"></div>
    </div>
  </template>
</dom-module>

<script>
  Polymer({
    is: 'paper-progress',

    behaviors: [
      Polymer.IronRangeBehavior
    ],

    properties: {
      /**
       * The number that represents the current secondary progress.
       */
      secondaryProgress: {
        type: Number,
        value: 0
      },

      /**
       * The secondary ratio
       */
      secondaryR