designer

designer.html

<link rel="import" href="../core-icon-button/core-icon-button.html">
<link rel="import" href="../core-toolbar/core-toolbar.html">
<link rel="import" href="../core-icons/core-icons.html">
<link rel="import" href="../paper-icon-button/paper-icon-button.html">
<link rel="import" href="../paper-input/paper-input.html">

<polymer-element name="audio-player" attributes="audioUrl" audiourl="http://swr-mp3-m-swr3.akacast.akamaistream.net/7/720/137136/v1/gnl.akacast.akamaistream.net/swr-mp3-m-swr3">

  <template>
    <style>    
    </style>
    <link rel="stylesheet" href="audio-player.css"></link>
    <audio id="player" src preload="metadata"></audio>
    <core-toolbar id="core_toolbar">
      <paper-icon-button icon="menu" id="core_icon_button"></paper-icon-button>
      <paper-input label="URL" willvalidate value="{{ audioUrl }}" type="url" id="url" flex name="url" layout vertical></paper-input>
      <paper-icon-button icon="{{ playerIcon }}" id="playPause" on-click="{{ playPause }}"></paper-icon-button>
    </core-toolbar>
  </template>

  <script>

    Polymer({
      playPause: function () {
          if(this.$.player.paused) {
            this.$.player.play();
          } else {
            this.$.player.pause();
          }
        },
      get playerIcon() {
          console.log('playerIcon', this.$ && this.$.player.paused);
          if(this.$ && this.$.player) {
            return this.$.player.paused ? 'av:pause' : 'av:play-arrow';
          }
          return 'av:play-arrow';
        }
    });

  </script>

</polymer-element>